From 6052ac8386725056629357c197d13909ff0658eb Mon Sep 17 00:00:00 2001 From: Matthias Weisser Date: Mon, 9 Aug 2010 13:31:49 +0200 Subject: ARM: Add support for MB86R0x SoCs Signed-off-by: Matthias Weisser --- arch/arm/include/asm/arch-mb86r0x/asm-offsets.h | 74 +++ arch/arm/include/asm/arch-mb86r0x/hardware.h | 31 ++ arch/arm/include/asm/arch-mb86r0x/mb86r0x.h | 573 ++++++++++++++++++++++++ 3 files changed, 678 insertions(+) create mode 100644 arch/arm/include/asm/arch-mb86r0x/asm-offsets.h create mode 100644 arch/arm/include/asm/arch-mb86r0x/hardware.h create mode 100644 arch/arm/include/asm/arch-mb86r0x/mb86r0x.h (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-mb86r0x/asm-offsets.h b/arch/arm/include/asm/arch-mb86r0x/asm-offsets.h new file mode 100644 index 000000000..0bc527913 --- /dev/null +++ b/arch/arm/include/asm/arch-mb86r0x/asm-offsets.h @@ -0,0 +1,74 @@ +/* + * (C) Copyright 2010 + * Matthias Weisser + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef ASM_OFFSETS_H +#define ASM_OFFSETS_H + +/* + * Offset definitions for DDR controller + */ +#define DDR2_DRIC 0x00 +#define DDR2_DRIC1 0x02 +#define DDR2_DRIC2 0x04 +#define DDR2_DRCA 0x06 +#define DDR2_DRCM 0x08 +#define DDR2_DRCST1 0x0a +#define DDR2_DRCST2 0x0c +#define DDR2_DRCR 0x0e +#define DDR2_DRCF 0x20 +#define DDR2_DRASR 0x30 +#define DDR2_DRIMS 0x50 +#define DDR2_DROS 0x60 +#define DDR2_DRIBSODT1 0x64 +#define DDR2_DROABA 0x70 +#define DDR2_DROBS 0x84 + +/* + * Offset definitions Chip Control Module + */ +#define CCNT_CDCRC 0xec + +/* + * Offset definitions clock reset generator + */ +#define CRG_CRPR 0x00 +#define CRG_CRHA 0x18 +#define CRG_CRPA 0x1c +#define CRG_CRPB 0x20 +#define CRG_CRHB 0x24 +#define CRG_CRAM 0x28 + +/* + * Offset definitions External bus interface + */ +#define MEMC_MCFMODE0 0x00 +#define MEMC_MCFMODE2 0x08 +#define MEMC_MCFMODE4 0x10 +#define MEMC_MCFTIM0 0x20 +#define MEMC_MCFTIM2 0x28 +#define MEMC_MCFTIM4 0x30 +#define MEMC_MCFAREA0 0x40 +#define MEMC_MCFAREA2 0x48 +#define MEMC_MCFAREA4 0x50 + +#endif /* ASM_OFFSETS_H */ diff --git a/arch/arm/include/asm/arch-mb86r0x/hardware.h b/arch/arm/include/asm/arch-mb86r0x/hardware.h new file mode 100644 index 000000000..d1e57c034 --- /dev/null +++ b/arch/arm/include/asm/arch-mb86r0x/hardware.h @@ -0,0 +1,31 @@ +/* + * (C) Copyright 2007 + * + * Author : Carsten Schneider, mycable GmbH + * + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include +#include + +#endif diff --git a/arch/arm/include/asm/arch-mb86r0x/mb86r0x.h b/arch/arm/include/asm/arch-mb86r0x/mb86r0x.h new file mode 100644 index 000000000..36a28b7af --- /dev/null +++ b/arch/arm/include/asm/arch-mb86r0x/mb86r0x.h @@ -0,0 +1,573 @@ +/* + * (C) Copyright 2007 + * + * mb86r0x definitions + * + * Author : Carsten Schneider, mycable GmbH + * + * + * (C) Copyright 2010 + * Matthias Weisser + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef MB86R0X_H +#define MB86R0X_H + +#ifndef __ASSEMBLY__ + +/* GPIO registers */ +struct mb86r0x_gpio { + uint32_t gpdr0; + uint32_t gpdr1; + uint32_t gpdr2; + uint32_t res; + uint32_t gpddr0; + uint32_t gpddr1; + uint32_t gpddr2; +}; + +/* PWM registers */ +struct mb86r0x_pwm { + uint32_t bcr; + uint32_t tpr; + uint32_t pr; + uint32_t dr; + uint32_t cr; + uint32_t sr; + uint32_t ccr; + uint32_t ir; +}; + +/* The mb86r0x chip control (CCNT) register set. */ +struct mb86r0x_ccnt { + uint32_t ccid; + uint32_t csrst; + uint32_t pad0[2]; + uint32_t cist; + uint32_t cistm; + uint32_t cgpio_ist; + uint32_t cgpio_istm; + uint32_t cgpio_ip; + uint32_t cgpio_im; + uint32_t caxi_bw; + uint32_t caxi_ps; + uint32_t cmux_md; + uint32_t cex_pin_st; + uint32_t cmlb; + uint32_t pad1[1]; + uint32_t cusb; + uint32_t pad2[41]; + uint32_t cbsc; + uint32_t cdcrc; + uint32_t cmsr0; + uint32_t cmsr1; + uint32_t pad3[2]; +}; + +/* The mb86r0x clock reset generator */ +struct mb86r0x_crg { + uint32_t crpr; + uint32_t pad0; + uint32_t crwr; + uint32_t crsr; + uint32_t crda; + uint32_t crdb; + uint32_t crha; + uint32_t crpa; + uint32_t crpb; + uint32_t crhb; + uint32_t cram; +}; + +/* The mb86r0x timer */ +struct mb86r0x_timer { + uint32_t load; + uint32_t value; + uint32_t control; + uint32_t intclr; + uint32_t ris; + uint32_t mis; + uint32_t bgload; +}; + +/* mb86r0x gdc display controller */ +struct mb86r0x_gdc_dsp { + /* Display settings */ + uint32_t dcm0; + uint16_t pad00; + uint16_t htp; + uint16_t hdp; + uint16_t hdb; + uint16_t hsp; + uint8_t hsw; + uint8_t vsw; + uint16_t pad01; + uint16_t vtr; + uint16_t vsp; + uint16_t vdp; + uint16_t wx; + uint16_t wy; + uint16_t ww; + uint16_t wh; + + /* Layer 0 */ + uint32_t l0m; + uint32_t l0oa; + uint32_t l0da; + uint16_t l0dx; + uint16_t l0dy; + + /* Layer 1 */ + uint32_t l1m; + uint32_t cbda0; + uint32_t cbda1; + uint32_t pad02; + + /* Layer 2 */ + uint32_t l2m; + uint32_t l2oa0; + uint32_t l2da0; + uint32_t l2oa1; + uint32_t l2da1; + uint16_t l2dx; + uint16_t l2dy; + + /* Layer 3 */ + uint32_t l3m; + uint32_t l3oa0; + uint32_t l3da0; + uint32_t l3oa1; + uint32_t l3da1; + uint16_t l3dx; + uint16_t l3dy; + + /* Layer 4 */ + uint32_t l4m; + uint32_t l4oa0; + uint32_t l4da0; + uint32_t l4oa1; + uint32_t l4da1; + uint16_t l4dx; + uint16_t l4dy; + + /* Layer 5 */ + uint32_t l5m; + uint32_t l5oa0; + uint32_t l5da0; + uint32_t l5oa1; + uint32_t l5da1; + uint16_t l5dx; + uint16_t l5dy; + + /* Cursor */ + uint16_t cutc; + uint8_t cpm; + uint8_t csize; + uint32_t cuoa0; + uint16_t cux0; + uint16_t cuy0; + uint32_t cuoa1; + uint16_t cux1; + uint16_t cuy1; + + /* Layer blending */ + uint32_t l0bld; + uint32_t pad03; + uint32_t l0tc; + uint16_t l3tc; + uint16_t l2tc; + uint32_t pad04[15]; + + /* Display settings */ + uint32_t dcm1; + uint32_t dcm2; + uint32_t dcm3; + uint32_t pad05; + + /* Layer 0 extended */ + uint32_t l0em; + uint16_t l0wx; + uint16_t l0wy; + uint16_t l0ww; + uint16_t l0wh; + uint32_t pad06; + + /* Layer 1 extended */ + uint32_t l1em; + uint16_t l1wx; + uint16_t l1wy; + uint16_t l1ww; + uint16_t l1wh; + uint32_t pad07; + + /* Layer 2 extended */ + uint32_t l2em; + uint16_t l2wx; + uint16_t l2wy; + uint16_t l2ww; + uint16_t l2wh; + uint32_t pad08; + + /* Layer 3 extended */ + uint32_t l3em; + uint16_t l3wx; + uint16_t l3wy; + uint16_t l3ww; + uint16_t l3wh; + uint32_t pad09; + + /* Layer 4 extended */ + uint32_t l4em; + uint16_t l4wx; + uint16_t l4wy; + uint16_t l4ww; + uint16_t l4wh; + uint32_t pad10; + + /* Layer 5 extended */ + uint32_t l5em; + uint16_t l5wx; + uint16_t l5wy; + uint16_t l5ww; + uint16_t l5wh; + uint32_t pad11; + + /* Multi screen control */ + uint32_t msc; + uint32_t pad12[3]; + uint32_t dls; + uint32_t dbgc; + + /* Layer blending */ + uint32_t l1bld; + uint32_t l2bld; + uint32_t l3bld; + uint32_t l4bld; + uint32_t l5bld; + uint32_t pad13; + + /* Extended transparency control */ + uint32_t l0etc; + uint32_t l1etc; + uint32_t l2etc; + uint32_t l3etc; + uint32_t l4etc; + uint32_t l5etc; + uint32_t pad14[10]; + + /* YUV coefficients */ + uint32_t l1ycr0; + uint32_t l1ycr1; + uint32_t l1ycg0; + uint32_t l1ycg1; + uint32_t l1ycb0; + uint32_t l1ycb1; + uint32_t pad15[130]; + + /* Layer palletes */ + uint32_t l0pal[256]; + uint32_t l1pal[256]; + uint32_t pad16[256]; + uint32_t l2pal[256]; + uint32_t l3pal[256]; + uint32_t pad17[256]; + + /* PWM settings */ + uint32_t vpwmm; + uint16_t vpwms; + uint16_t vpwme; + uint32_t vpwmc; + uint32_t pad18[253]; +}; + +/* mb86r0x gdc capture controller */ +struct mb86r0x_gdc_cap { + uint32_t vcm; + uint32_t csc; + uint32_t vcs; + uint32_t pad01; + + uint32_t cbm; + uint32_t cboa; + uint32_t cbla; + uint16_t cihstr; + uint16_t civstr; + uint16_t cihend; + uint16_t civend; + uint32_t pad02; + + uint32_t chp; + uint32_t cvp; + uint32_t pad03[4]; + + uint32_t clpf; + uint32_t pad04; + uint32_t cmss; + uint32_t cmds; + uint32_t pad05[12]; + + uint32_t rgbhc; + uint32_t rgbhen; + uint32_t rgbven; + uint32_t pad06; + uint32_t rgbs; + uint32_t pad07[11]; + + uint32_t rgbcmy; + uint32_t rgbcmcb; + uint32_t rgbcmcr; + uint32_t rgbcmb; + uint32_t pad08[12 + 1984]; +}; + +/* mb86r0x gdc draw */ +struct mb86r0x_gdc_draw { + uint32_t ys; + uint32_t xs; + uint32_t dxdy; + uint32_t xus; + uint32_t dxudy; + uint32_t xls; + uint32_t dxldy; + uint32_t usn; + uint32_t lsn; + uint32_t pad01[7]; + uint32_t rs; + uint32_t drdx; + uint32_t drdy; + uint32_t gs; + uint32_t dgdx; + uint32_t dgdy; + uint32_t bs; + uint32_t dbdx; + uint32_t dbdy; + uint32_t pad02[7]; + uint32_t zs; + uint32_t dzdx; + uint32_t dzdy; + uint32_t pad03[13]; + uint32_t ss; + uint32_t dsdx; + uint32_t dsdy; + uint32_t ts; + uint32_t dtdx; + uint32_t dtdy; + uint32_t qs; + uint32_t dqdx; + uint32_t dqdy; + uint32_t pad04[23]; + uint32_t lpn; + uint32_t lxs; + uint32_t lxde; + uint32_t lys; + uint32_t lyde; + uint32_t lzs; + uint32_t lzde; + uint32_t pad05[13]; + uint32_t pxdc; + uint32_t pydc; + uint32_t pzdc; + uint32_t pad06[25]; + uint32_t rxs; + uint32_t rys; + uint32_t rsizex; + uint32_t rsizey; + uint32_t pad07[12]; + uint32_t saddr; + uint32_t sstride; + uint32_t srx; + uint32_t sry; + uint32_t daddr; + uint32_t dstride; + uint32_t drx; + uint32_t dry; + uint32_t brsizex; + uint32_t brsizey; + uint32_t tcolor; + uint32_t pad08[93]; + uint32_t blpo; + uint32_t pad09[7]; + uint32_t ctr; + uint32_t ifsr; + uint32_t ifcnt; + uint32_t sst; + uint32_t ds; + uint32_t pst; + uint32_t est; + uint32_t pad10; + uint32_t mdr0; + uint32_t mdr1; + uint32_t mdr2; + uint32_t mdr3; + uint32_t mdr4; + uint32_t pad14[2]; + uint32_t mdr7; + uint32_t fbr; + uint32_t xres; + uint32_t zbr; + uint32_t tbr; + uint32_t pfbr; + uint32_t cxmin; + uint32_t cxmax; + uint32_t cymin; + uint32_t cymax; + uint32_t txs; + uint32_t tis; + uint32_t toa; + uint32_t sho; + uint32_t abr; + uint32_t pad15[2]; + uint32_t fc; + uint32_t bc; + uint32_t alf; + uint32_t blp; + uint32_t pad16; + uint32_t tbc; + uint32_t pad11[42]; + uint32_t lx0dc; + uint32_t ly0dc; + uint32_t lx1dc; + uint32_t ly1dc; + uint32_t pad12[12]; + uint32_t x0dc; + uint32_t y0dc; + uint32_t x1dc; + uint32_t y1dc; + uint32_t x2dc; + uint32_t y2dc; + uint32_t pad13[666]; +}; + +/* mb86r0x gdc geometry engine */ +struct mb86r0x_gdc_geom { + uint32_t gctr; + uint32_t pad00[15]; + uint32_t gmdr0; + uint32_t gmdr1; + uint32_t gmdr2; + uint32_t pad01[237]; + uint32_t dfifog; + uint32_t pad02[767]; +}; + +/* mb86r0x gdc */ +struct mb86r0x_gdc { + uint32_t pad00[2]; + uint32_t lts; + uint32_t pad01; + uint32_t lsta; + uint32_t pad02[3]; + uint32_t ist; + uint32_t imask; + uint32_t pad03[6]; + uint32_t lsa; + uint32_t lco; + uint32_t lreq; + + uint32_t pad04[16*1024 - 19]; + struct mb86r0x_gdc_dsp dsp0; + struct mb86r0x_gdc_dsp dsp1; + uint32_t pad05[4*1024 - 2]; + uint32_t vccc; + uint32_t vcsr; + struct mb86r0x_gdc_cap cap0; + struct mb86r0x_gdc_cap cap1; + uint32_t pad06[4*1024]; + uint32_t texture_base[16*1024]; + struct mb86r0x_gdc_draw draw; + uint32_t pad07[7*1024]; + struct mb86r0x_gdc_geom geom; + uint32_t pad08[7*1024]; +}; + +#endif /* __ASSEMBLY__ */ + +/* + * Physical Address Defines + */ +#define MB86R0x_DDR2_BASE 0xf3000000 +#define MB86R0x_GDC_BASE 0xf1fc0000 +#define MB86R0x_CCNT_BASE 0xfff42000 +#define MB86R0x_CAN0_BASE 0xfff54000 +#define MB86R0x_CAN1_BASE 0xfff55000 +#define MB86R0x_I2C0_BASE 0xfff56000 +#define MB86R0x_I2C1_BASE 0xfff57000 +#define MB86R0x_EHCI_BASE 0xfff80000 +#define MB86R0x_OHCI_BASE 0xfff81000 +#define MB86R0x_IRC1_BASE 0xfffb0000 +#define MB86R0x_MEMC_BASE 0xfffc0000 +#define MB86R0x_TIMER_BASE 0xfffe0000 +#define MB86R0x_UART0_BASE 0xfffe1000 +#define MB86R0x_UART1_BASE 0xfffe2000 +#define MB86R0x_IRCE_BASE 0xfffe4000 +#define MB86R0x_CRG_BASE 0xfffe7000 +#define MB86R0x_IRC0_BASE 0xfffe8000 +#define MB86R0x_GPIO_BASE 0xfffe9000 +#define MB86R0x_PWM0_BASE 0xfff41000 +#define MB86R0x_PWM1_BASE 0xfff41100 + +#define MB86R0x_CRSR_SWRSTREQ (1 << 1) + +/* + * Timer register bits + */ +#define MB86R0x_TIMER_ENABLE (1 << 7) +#define MB86R0x_TIMER_MODE_MSK (1 << 6) +#define MB86R0x_TIMER_MODE_FR (0 << 6) +#define MB86R0x_TIMER_MODE_PD (1 << 6) + +#define MB86R0x_TIMER_INT_EN (1 << 5) +#define MB86R0x_TIMER_PRS_MSK (3 << 2) +#define MB86R0x_TIMER_PRS_4S (1 << 2) +#define MB86R0x_TIMER_PRS_8S (1 << 3) +#define MB86R0x_TIMER_SIZE_32 (1 << 1) +#define MB86R0x_TIMER_ONE_SHT (1 << 0) + +/* + * Clock reset generator bits + */ +#define MB86R0x_CRG_CRPR_PLLRDY (1 << 8) +#define MB86R0x_CRG_CRPR_PLLMODE (0x1f << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X49 (0 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X46 (1 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X37 (2 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X20 (3 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X47 (4 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X44 (5 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X36 (6 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X19 (7 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X39 (8 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X38 (9 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X30 (10 << 0) +#define MB86R0x_CRG_CRPR_PLLMODE_X15 (11 << 0) +/* + * DDR2 controller bits + */ +#define MB86R0x_DDR2_DRCI_DRINI (1 << 15) +#define MB86R0x_DDR2_DRCI_CKEN (1 << 14) +#define MB86R0x_DDR2_DRCI_DRCMD (1 << 0) +#define MB86R0x_DDR2_DRCI_CMD (MB86R0x_DDR2_DRCI_DRINI | \ + MB86R0x_DDR2_DRCI_CKEN | \ + MB86R0x_DDR2_DRCI_DRCMD) +#define MB86R0x_DDR2_DRCI_INIT (MB86R0x_DDR2_DRCI_DRINI | \ + MB86R0x_DDR2_DRCI_CKEN) +#define MB86R0x_DDR2_DRCI_NORMAL MB86R0x_DDR2_DRCI_CKEN +#endif /* MB86R0X_H */ -- cgit v1.2.3-70-g09d2 From d93d0f0cfef46293db97cbdc5e72c9e5bceadd02 Mon Sep 17 00:00:00 2001 From: Minkyu Kang Date: Fri, 13 Aug 2010 16:07:35 +0900 Subject: S5P: Use accessor functions instead of SoC specific defines to access the base address This patch is intended to prepare the other S5P SoC. (s5pc210) If use SoC specific defines then can't share with other SoC. So, make the accessor functions for access the base address by common way. Signed-off-by: Minkyu Kang Signed-off-by: Kyungmin Park --- arch/arm/cpu/armv7/s5pc1xx/clock.c | 24 ++++++++++++++++-------- arch/arm/cpu/armv7/s5pc1xx/cpu_info.c | 2 +- arch/arm/cpu/armv7/s5pc1xx/reset.S | 2 +- arch/arm/cpu/armv7/s5pc1xx/sromc.c | 8 ++------ arch/arm/cpu/armv7/s5pc1xx/timer.c | 5 +---- arch/arm/include/asm/arch-s5pc1xx/cpu.h | 28 +++++++++++++++++++++++----- arch/arm/include/asm/arch-s5pc1xx/pwm.h | 4 ---- board/samsung/goni/lowlevel_init.S | 6 +++--- board/samsung/smdkc100/lowlevel_init.S | 2 +- board/samsung/smdkc100/onenand.c | 3 ++- board/samsung/smdkc100/smdkc100.c | 2 +- drivers/mmc/s5p_mmc.c | 6 +----- drivers/serial/serial_s5p.c | 6 +----- 13 files changed, 53 insertions(+), 45 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/armv7/s5pc1xx/clock.c b/arch/arm/cpu/armv7/s5pc1xx/clock.c index 19619f92c..67af84a84 100644 --- a/arch/arm/cpu/armv7/s5pc1xx/clock.c +++ b/arch/arm/cpu/armv7/s5pc1xx/clock.c @@ -45,7 +45,8 @@ unsigned long (*get_pll_clk)(int); /* s5pc110: return pll clock frequency */ static unsigned long s5pc100_get_pll_clk(int pllreg) { - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc100_clock *clk = + (struct s5pc100_clock *)samsung_get_base_clock(); unsigned long r, m, p, s, mask, fout; unsigned int freq; @@ -95,7 +96,8 @@ static unsigned long s5pc100_get_pll_clk(int pllreg) /* s5pc100: return pll clock frequency */ static unsigned long s5pc110_get_pll_clk(int pllreg) { - struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc110_clock *clk = + (struct s5pc110_clock *)samsung_get_base_clock(); unsigned long r, m, p, s, mask, fout; unsigned int freq; @@ -151,7 +153,8 @@ static unsigned long s5pc110_get_pll_clk(int pllreg) /* s5pc110: return ARM clock frequency */ static unsigned long s5pc110_get_arm_clk(void) { - struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc110_clock *clk = + (struct s5pc110_clock *)samsung_get_base_clock(); unsigned long div; unsigned long dout_apll, armclk; unsigned int apll_ratio; @@ -170,7 +173,8 @@ static unsigned long s5pc110_get_arm_clk(void) /* s5pc100: return ARM clock frequency */ static unsigned long s5pc100_get_arm_clk(void) { - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc100_clock *clk = + (struct s5pc100_clock *)samsung_get_base_clock(); unsigned long div; unsigned long dout_apll, armclk; unsigned int apll_ratio, arm_ratio; @@ -191,7 +195,8 @@ static unsigned long s5pc100_get_arm_clk(void) /* s5pc100: return HCLKD0 frequency */ static unsigned long get_hclk(void) { - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc100_clock *clk = + (struct s5pc100_clock *)samsung_get_base_clock(); unsigned long hclkd0; uint div, d0_bus_ratio; @@ -207,7 +212,8 @@ static unsigned long get_hclk(void) /* s5pc100: return PCLKD1 frequency */ static unsigned long get_pclkd1(void) { - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc100_clock *clk = + (struct s5pc100_clock *)samsung_get_base_clock(); unsigned long d1_bus, pclkd1; uint div, d1_bus_ratio, pclkd1_ratio; @@ -227,7 +233,8 @@ static unsigned long get_pclkd1(void) /* s5pc110: return HCLKs frequency */ static unsigned long get_hclk_sys(int dom) { - struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc110_clock *clk = + (struct s5pc110_clock *)samsung_get_base_clock(); unsigned long hclk; unsigned int div; unsigned int offset; @@ -255,7 +262,8 @@ static unsigned long get_hclk_sys(int dom) /* s5pc110: return PCLKs frequency */ static unsigned long get_pclk_sys(int dom) { - struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc110_clock *clk = + (struct s5pc110_clock *)samsung_get_base_clock(); unsigned long pclk; unsigned int div; unsigned int offset; diff --git a/arch/arm/cpu/armv7/s5pc1xx/cpu_info.c b/arch/arm/cpu/armv7/s5pc1xx/cpu_info.c index f16c0ff13..454175ca5 100644 --- a/arch/arm/cpu/armv7/s5pc1xx/cpu_info.c +++ b/arch/arm/cpu/armv7/s5pc1xx/cpu_info.c @@ -30,7 +30,7 @@ unsigned int s5pc1xx_cpu_id = 0xC100; #ifdef CONFIG_ARCH_CPU_INIT int arch_cpu_init(void) { - s5pc1xx_cpu_id = readl(S5PC1XX_PRO_ID); + s5pc1xx_cpu_id = readl(samsung_get_base_pro_id()); s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12); s5pc1xx_clock_init(); diff --git a/arch/arm/cpu/armv7/s5pc1xx/reset.S b/arch/arm/cpu/armv7/s5pc1xx/reset.S index 7f6ff9c35..70fa146cf 100644 --- a/arch/arm/cpu/armv7/s5pc1xx/reset.S +++ b/arch/arm/cpu/armv7/s5pc1xx/reset.S @@ -28,7 +28,7 @@ .globl reset_cpu reset_cpu: - ldr r1, =S5PC1XX_PRO_ID + ldr r1, =S5PC100_PRO_ID ldr r2, [r1] ldr r4, =0x00010000 and r4, r2, r4 diff --git a/arch/arm/cpu/armv7/s5pc1xx/sromc.c b/arch/arm/cpu/armv7/s5pc1xx/sromc.c index 380be81be..044d12298 100644 --- a/arch/arm/cpu/armv7/s5pc1xx/sromc.c +++ b/arch/arm/cpu/armv7/s5pc1xx/sromc.c @@ -35,12 +35,8 @@ void s5pc1xx_config_sromc(u32 srom_bank, u32 smc_bw_conf, u32 smc_bc_conf) { u32 tmp; - struct s5pc1xx_smc *srom; - - if (cpu_is_s5pc100()) - srom = (struct s5pc1xx_smc *)S5PC100_SROMC_BASE; - else - srom = (struct s5pc1xx_smc *)S5PC110_SROMC_BASE; + struct s5pc1xx_smc *srom = + (struct s5pc1xx_smc *)samsung_get_base_sromc(); /* Configure SMC_BW register to handle proper SROMC bank */ tmp = srom->bw; diff --git a/arch/arm/cpu/armv7/s5pc1xx/timer.c b/arch/arm/cpu/armv7/s5pc1xx/timer.c index c5df5c5ab..6487c0f3a 100644 --- a/arch/arm/cpu/armv7/s5pc1xx/timer.c +++ b/arch/arm/cpu/armv7/s5pc1xx/timer.c @@ -46,10 +46,7 @@ static unsigned long lastdec; /* Last decremneter snapshot */ /* macro to read the 16 bit timer */ static inline struct s5pc1xx_timer *s5pc1xx_get_base_timer(void) { - if (cpu_is_s5pc110()) - return (struct s5pc1xx_timer *)S5PC110_TIMER_BASE; - else - return (struct s5pc1xx_timer *)S5PC100_TIMER_BASE; + return (struct s5pc1xx_timer *)samsung_get_base_timer(); } int timer_init(void) diff --git a/arch/arm/include/asm/arch-s5pc1xx/cpu.h b/arch/arm/include/asm/arch-s5pc1xx/cpu.h index b3af8cc78..bcb8f5c77 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/cpu.h +++ b/arch/arm/include/asm/arch-s5pc1xx/cpu.h @@ -25,9 +25,9 @@ #define S5PC1XX_ADDR_BASE 0xE0000000 -#define S5PC1XX_CLOCK_BASE 0xE0100000 - /* S5PC100 */ +#define S5PC100_PRO_ID 0xE0000000 +#define S5PC100_CLOCK_BASE 0xE0100000 #define S5PC100_GPIO_BASE 0xE0300000 #define S5PC100_VIC0_BASE 0xE4000000 #define S5PC100_VIC1_BASE 0xE4100000 @@ -41,6 +41,8 @@ #define S5PC100_MMC_BASE 0xED800000 /* S5PC110 */ +#define S5PC110_PRO_ID 0xE0000000 +#define S5PC110_CLOCK_BASE 0xE0100000 #define S5PC110_GPIO_BASE 0xE0200000 #define S5PC110_PWMTIMER_BASE 0xE2500000 #define S5PC110_WATCHDOG_BASE 0xE2700000 @@ -54,9 +56,6 @@ #define S5PC110_VIC2_BASE 0xF2200000 #define S5PC110_VIC3_BASE 0xF2300000 -/* Chip ID */ -#define S5PC1XX_PRO_ID 0xE0000000 - #ifndef __ASSEMBLY__ /* CPU detection macros */ extern unsigned int s5pc1xx_cpu_id; @@ -69,6 +68,25 @@ static inline int cpu_is_##type(void) \ IS_SAMSUNG_TYPE(s5pc100, 0xc100) IS_SAMSUNG_TYPE(s5pc110, 0xc110) + +#define SAMSUNG_BASE(device, base) \ +static inline unsigned int samsung_get_base_##device(void) \ +{ \ + if (cpu_is_s5pc100()) \ + return S5PC100_##base; \ + else if (cpu_is_s5pc110()) \ + return S5PC110_##base; \ + else \ + return 0; \ +} \ + +SAMSUNG_BASE(clock, CLOCK_BASE) +SAMSUNG_BASE(gpio, GPIO_BASE) +SAMSUNG_BASE(pro_id, PRO_ID) +SAMSUNG_BASE(mmc, MMC_BASE) +SAMSUNG_BASE(sromc, SROMC_BASE) +SAMSUNG_BASE(timer, PWMTIMER_BASE) +SAMSUNG_BASE(uart, UART_BASE) #endif #endif /* _S5PC1XX_CPU_H */ diff --git a/arch/arm/include/asm/arch-s5pc1xx/pwm.h b/arch/arm/include/asm/arch-s5pc1xx/pwm.h index e02a8d8fb..518f6aeb1 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/pwm.h +++ b/arch/arm/include/asm/arch-s5pc1xx/pwm.h @@ -22,10 +22,6 @@ #ifndef __ASM_ARM_ARCH_PWM_H_ #define __ASM_ARM_ARCH_PWM_H_ -/* PWM timer addressing */ -#define S5PC100_TIMER_BASE S5PC100_PWMTIMER_BASE -#define S5PC110_TIMER_BASE S5PC110_PWMTIMER_BASE - /* Interval mode(Auto Reload) of PWM Timer 4 */ #define S5PC1XX_TCON4_AUTO_RELOAD (1 << 22) /* Update TCNTB4 */ diff --git a/board/samsung/goni/lowlevel_init.S b/board/samsung/goni/lowlevel_init.S index 4b729927f..62737aba1 100644 --- a/board/samsung/goni/lowlevel_init.S +++ b/board/samsung/goni/lowlevel_init.S @@ -51,7 +51,7 @@ lowlevel_init: ldr r7, =S5PC100_GPIO_BASE ldr r8, =S5PC100_GPIO_BASE /* Read CPU ID */ - ldr r2, =S5PC1XX_PRO_ID + ldr r2, =S5PC110_PRO_ID ldr r0, [r2] mov r1, #0x00010000 and r0, r0, r1 @@ -377,7 +377,7 @@ lockloop: * void system_clock_init(void) */ system_clock_init: - ldr r0, =S5PC1XX_CLOCK_BASE @ 0xE0100000 + ldr r0, =S5PC110_CLOCK_BASE @ 0xE0100000 /* Check S5PC100 */ cmp r7, r8 @@ -437,7 +437,7 @@ system_clock_init: ldr r1, =0x3ff03ff str r1, [r0, #0x114] @ S5PC110_CLAMP_STABLE - ldr r0, =S5PC1XX_CLOCK_BASE @ 0xE0100000 + ldr r0, =S5PC110_CLOCK_BASE @ 0xE0100000 /* Set Clock divider */ ldr r1, =0x14131330 @ 1:1:4:4, 1:4:5 diff --git a/board/samsung/smdkc100/lowlevel_init.S b/board/samsung/smdkc100/lowlevel_init.S index 32572c51d..30d0d06a4 100644 --- a/board/samsung/smdkc100/lowlevel_init.S +++ b/board/samsung/smdkc100/lowlevel_init.S @@ -131,7 +131,7 @@ wakeup_reset: * void system_clock_init(void) */ system_clock_init: - ldr r8, =S5PC1XX_CLOCK_BASE @ 0xE0100000 + ldr r8, =S5PC100_CLOCK_BASE @ 0xE0100000 /* Set Clock divider */ ldr r1, =0x00011110 diff --git a/board/samsung/smdkc100/onenand.c b/board/samsung/smdkc100/onenand.c index c25869e5c..501855edd 100644 --- a/board/samsung/smdkc100/onenand.c +++ b/board/samsung/smdkc100/onenand.c @@ -35,7 +35,8 @@ void onenand_board_init(struct mtd_info *mtd) { struct onenand_chip *this = mtd->priv; - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; + struct s5pc100_clock *clk = + (struct s5pc100_clock *)samsung_get_base_clock(); struct samsung_onenand *onenand; int value; diff --git a/board/samsung/smdkc100/smdkc100.c b/board/samsung/smdkc100/smdkc100.c index fb466c6ec..bb72fd113 100644 --- a/board/samsung/smdkc100/smdkc100.c +++ b/board/samsung/smdkc100/smdkc100.c @@ -38,7 +38,7 @@ static void smc9115_pre_init(void) u32 smc_bw_conf, smc_bc_conf; struct s5pc100_gpio *const gpio = - (struct s5pc100_gpio *)S5PC100_GPIO_BASE; + (struct s5pc100_gpio *)samsung_get_base_gpio(); /* gpio configuration GPK0CON */ gpio_cfg_pin(&gpio->gpio_k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); diff --git a/drivers/mmc/s5p_mmc.c b/drivers/mmc/s5p_mmc.c index 872f0bb2a..1fd425cbb 100644 --- a/drivers/mmc/s5p_mmc.c +++ b/drivers/mmc/s5p_mmc.c @@ -30,11 +30,7 @@ struct mmc_host mmc_host[4]; static inline struct s5p_mmc *s5p_get_base_mmc(int dev_index) { unsigned long offset = dev_index * sizeof(struct s5p_mmc); - - if (cpu_is_s5pc100()) - return (struct s5p_mmc *)(S5PC100_MMC_BASE + offset); - else - return (struct s5p_mmc *)(S5PC110_MMC_BASE + offset); + return (struct s5p_mmc *)(samsung_get_base_mmc() + offset); } static void mmc_prepare_data(struct mmc_host *host, struct mmc_data *data) diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index e0d4e8004..6a61b4fa5 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -30,11 +30,7 @@ static inline struct s5p_uart *s5p_get_base_uart(int dev_index) { u32 offset = dev_index * sizeof(struct s5p_uart); - - if (cpu_is_s5pc100()) - return (struct s5p_uart *)(S5PC100_UART_BASE + offset); - else - return (struct s5p_uart *)(S5PC110_UART_BASE + offset); + return (struct s5p_uart *)(samsung_get_base_uart() + offset); } /* -- cgit v1.2.3-70-g09d2 From 37168dab52bf8419a2fd91d2c098aed5c675ae50 Mon Sep 17 00:00:00 2001 From: Minkyu Kang Date: Thu, 19 Aug 2010 20:41:50 +0900 Subject: ARMV7: S5P: rename from s5pc1xx to s5p Because of these are common files around s5p Socs, rename from s5pc1xx to s5p. And getting cpu_id is SoC specific, so move to SoC's header file. Signed-off-by: Minkyu Kang Signed-off-by: Kyungmin Park --- arch/arm/cpu/armv7/s5p-common/cpu_info.c | 11 +++++------ arch/arm/cpu/armv7/s5p-common/timer.c | 16 ++++++++-------- arch/arm/cpu/armv7/s5pc1xx/clock.c | 2 +- arch/arm/include/asm/arch-s5pc1xx/clk.h | 2 +- arch/arm/include/asm/arch-s5pc1xx/cpu.h | 11 +++++++++-- arch/arm/include/asm/arch-s5pc1xx/pwm.h | 8 ++++---- 6 files changed, 28 insertions(+), 22 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/armv7/s5p-common/cpu_info.c b/arch/arm/cpu/armv7/s5p-common/cpu_info.c index 454175ca5..2f6c70855 100644 --- a/arch/arm/cpu/armv7/s5p-common/cpu_info.c +++ b/arch/arm/cpu/armv7/s5p-common/cpu_info.c @@ -25,15 +25,14 @@ #include /* Default is s5pc100 */ -unsigned int s5pc1xx_cpu_id = 0xC100; +unsigned int s5p_cpu_id = 0xC100; #ifdef CONFIG_ARCH_CPU_INIT int arch_cpu_init(void) { - s5pc1xx_cpu_id = readl(samsung_get_base_pro_id()); - s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12); + s5p_set_cpu_id(); - s5pc1xx_clock_init(); + s5p_clock_init(); return 0; } @@ -41,7 +40,7 @@ int arch_cpu_init(void) u32 get_device_type(void) { - return s5pc1xx_cpu_id; + return s5p_cpu_id; } #ifdef CONFIG_DISPLAY_CPUINFO @@ -50,7 +49,7 @@ int print_cpuinfo(void) char buf[32]; printf("CPU:\tS5P%X@%sMHz\n", - s5pc1xx_cpu_id, strmhz(buf, get_arm_clk())); + s5p_cpu_id, strmhz(buf, get_arm_clk())); return 0; } diff --git a/arch/arm/cpu/armv7/s5p-common/timer.c b/arch/arm/cpu/armv7/s5p-common/timer.c index 6487c0f3a..1f1c7ff34 100644 --- a/arch/arm/cpu/armv7/s5p-common/timer.c +++ b/arch/arm/cpu/armv7/s5p-common/timer.c @@ -44,14 +44,14 @@ static unsigned long long timestamp; /* Monotonic incrementing timer */ static unsigned long lastdec; /* Last decremneter snapshot */ /* macro to read the 16 bit timer */ -static inline struct s5pc1xx_timer *s5pc1xx_get_base_timer(void) +static inline struct s5p_timer *s5p_get_base_timer(void) { - return (struct s5pc1xx_timer *)samsung_get_base_timer(); + return (struct s5p_timer *)samsung_get_base_timer(); } int timer_init(void) { - struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer(); + struct s5p_timer *const timer = s5p_get_base_timer(); u32 val; /* @@ -80,13 +80,13 @@ int timer_init(void) lastdec = count_value; val = (readl(&timer->tcon) & ~(0x07 << TCON_TIMER4_SHIFT)) | - S5PC1XX_TCON4_AUTO_RELOAD; + TCON4_AUTO_RELOAD; /* auto reload & manual update */ - writel(val | S5PC1XX_TCON4_UPDATE, &timer->tcon); + writel(val | TCON4_UPDATE, &timer->tcon); /* start PWM timer 4 */ - writel(val | S5PC1XX_TCON4_START, &timer->tcon); + writel(val | TCON4_START, &timer->tcon); timestamp = 0; @@ -151,7 +151,7 @@ void __udelay(unsigned long usec) void reset_timer_masked(void) { - struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer(); + struct s5p_timer *const timer = s5p_get_base_timer(); /* reset time */ lastdec = readl(&timer->tcnto4); @@ -160,7 +160,7 @@ void reset_timer_masked(void) unsigned long get_timer_masked(void) { - struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer(); + struct s5p_timer *const timer = s5p_get_base_timer(); unsigned long now = readl(&timer->tcnto4); if (lastdec >= now) diff --git a/arch/arm/cpu/armv7/s5pc1xx/clock.c b/arch/arm/cpu/armv7/s5pc1xx/clock.c index 67af84a84..c9b54856e 100644 --- a/arch/arm/cpu/armv7/s5pc1xx/clock.c +++ b/arch/arm/cpu/armv7/s5pc1xx/clock.c @@ -297,7 +297,7 @@ static unsigned long s5pc100_get_pclk(void) return get_pclkd1(); } -void s5pc1xx_clock_init(void) +void s5p_clock_init(void) { if (cpu_is_s5pc110()) { get_pll_clk = s5pc110_get_pll_clk; diff --git a/arch/arm/include/asm/arch-s5pc1xx/clk.h b/arch/arm/include/asm/arch-s5pc1xx/clk.h index 3e59abe78..c25e17abd 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/clk.h +++ b/arch/arm/include/asm/arch-s5pc1xx/clk.h @@ -29,7 +29,7 @@ #define HPLL 3 #define VPLL 4 -void s5pc1xx_clock_init(void); +void s5p_clock_init(void); extern unsigned long (*get_pll_clk)(int pllreg); extern unsigned long (*get_arm_clk)(void); diff --git a/arch/arm/include/asm/arch-s5pc1xx/cpu.h b/arch/arm/include/asm/arch-s5pc1xx/cpu.h index bcb8f5c77..0e80ba330 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/cpu.h +++ b/arch/arm/include/asm/arch-s5pc1xx/cpu.h @@ -57,13 +57,20 @@ #define S5PC110_VIC3_BASE 0xF2300000 #ifndef __ASSEMBLY__ +#include /* CPU detection macros */ -extern unsigned int s5pc1xx_cpu_id; +extern unsigned int s5p_cpu_id; + +static inline void s5p_set_cpu_id(void) +{ + s5p_cpu_id = readl(S5PC100_PRO_ID); + s5p_cpu_id = 0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12); +} #define IS_SAMSUNG_TYPE(type, id) \ static inline int cpu_is_##type(void) \ { \ - return s5pc1xx_cpu_id == id ? 1 : 0; \ + return s5p_cpu_id == id ? 1 : 0; \ } IS_SAMSUNG_TYPE(s5pc100, 0xc100) diff --git a/arch/arm/include/asm/arch-s5pc1xx/pwm.h b/arch/arm/include/asm/arch-s5pc1xx/pwm.h index 518f6aeb1..0369968d4 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/pwm.h +++ b/arch/arm/include/asm/arch-s5pc1xx/pwm.h @@ -23,14 +23,14 @@ #define __ASM_ARM_ARCH_PWM_H_ /* Interval mode(Auto Reload) of PWM Timer 4 */ -#define S5PC1XX_TCON4_AUTO_RELOAD (1 << 22) +#define TCON4_AUTO_RELOAD (1 << 22) /* Update TCNTB4 */ -#define S5PC1XX_TCON4_UPDATE (1 << 21) +#define TCON4_UPDATE (1 << 21) /* start bit of PWM Timer 4 */ -#define S5PC1XX_TCON4_START (1 << 20) +#define TCON4_START (1 << 20) #ifndef __ASSEMBLY__ -struct s5pc1xx_timer { +struct s5p_timer { unsigned int tcfg0; unsigned int tcfg1; unsigned int tcon; -- cgit v1.2.3-70-g09d2 From da70a2bb4a3b2a1e2e5d9ab2521e2f7d690a569c Mon Sep 17 00:00:00 2001 From: Minkyu Kang Date: Fri, 20 Aug 2010 17:57:38 +0900 Subject: S5P: mmc: fix the mmc offset This patch fixed the size of mmc structure. Signed-off-by: Minkyu Kang --- arch/arm/include/asm/arch-s5pc1xx/mmc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-s5pc1xx/mmc.h b/arch/arm/include/asm/arch-s5pc1xx/mmc.h index ac560c270..68c59d13e 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/mmc.h +++ b/arch/arm/include/asm/arch-s5pc1xx/mmc.h @@ -56,7 +56,7 @@ struct s5p_mmc { unsigned int control4; unsigned char res4[0x6e]; unsigned short hcver; - unsigned char res5[0xFFF00]; + unsigned char res5[0xFFF02]; }; struct mmc_host { -- cgit v1.2.3-70-g09d2 From 545dabbeef56ffea33cedee56067edacd9fb90f0 Mon Sep 17 00:00:00 2001 From: Minkyu Kang Date: Tue, 24 Aug 2010 15:37:57 +0900 Subject: ARMV7: S5P: fix the macro at samsung_get_base function New line is unnecessary at last line of macro. Signed-off-by: Minkyu Kang --- arch/arm/include/asm/arch-s5pc1xx/cpu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-s5pc1xx/cpu.h b/arch/arm/include/asm/arch-s5pc1xx/cpu.h index 0e80ba330..e74959fe2 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/cpu.h +++ b/arch/arm/include/asm/arch-s5pc1xx/cpu.h @@ -85,7 +85,7 @@ static inline unsigned int samsung_get_base_##device(void) \ return S5PC110_##base; \ else \ return 0; \ -} \ +} SAMSUNG_BASE(clock, CLOCK_BASE) SAMSUNG_BASE(gpio, GPIO_BASE) -- cgit v1.2.3-70-g09d2 From 438c37e1b3493c800fd50924d0b492f96d5c66bb Mon Sep 17 00:00:00 2001 From: Albert Aribaud <[albert.aribaud@free.fr]> Date: Fri, 27 Aug 2010 21:41:48 +0530 Subject: orion5x: fix comment-in-comment typo in cpu.h Signed-off-by: Albert Aribaud --- arch/arm/include/asm/arch-orion5x/cpu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-orion5x/cpu.h b/arch/arm/include/asm/arch-orion5x/cpu.h index 80717f8a5..6ce02a921 100644 --- a/arch/arm/include/asm/arch-orion5x/cpu.h +++ b/arch/arm/include/asm/arch-orion5x/cpu.h @@ -76,7 +76,7 @@ enum orion5x_cpu_attrib { /* * Device Address MAP BAR values -/* + * * All addresses and sizes not defined by board code * will be given default values here. */ -- cgit v1.2.3-70-g09d2 From f70409aff3a10e22ff9c66f87e9cbc3de7cbd7f7 Mon Sep 17 00:00:00 2001 From: Minkyu Kang Date: Tue, 24 Aug 2010 15:51:55 +0900 Subject: ARMV7: S5P: separate the peripheral clocks Because of peripheral devices can select clock sources, separate the peripheral clocks. (pwm, uart and so on) It just return the pclk at s5pc1xx SoC, but s5pc210 SoC must be calculated by own clock register setting. Signed-off-by: Minkyu Kang Signed-off-by: Kyungmin Park --- arch/arm/cpu/armv7/s5p-common/timer.c | 4 ++-- arch/arm/cpu/armv7/s5pc1xx/clock.c | 25 ++++++++++++++++++++++--- arch/arm/include/asm/arch-s5pc1xx/clk.h | 3 ++- drivers/serial/serial_s5p.c | 4 ++-- 4 files changed, 28 insertions(+), 8 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/armv7/s5p-common/timer.c b/arch/arm/cpu/armv7/s5p-common/timer.c index 1f1c7ff34..04906503e 100644 --- a/arch/arm/cpu/armv7/s5p-common/timer.c +++ b/arch/arm/cpu/armv7/s5p-common/timer.c @@ -57,7 +57,7 @@ int timer_init(void) /* * @ PWM Timer 4 * Timer Freq(HZ) = - * PCLK / { (prescaler_value + 1) * (divider_value) } + * PWM_CLK / { (prescaler_value + 1) * (divider_value) } */ /* set prescaler : 16 */ @@ -68,7 +68,7 @@ int timer_init(void) if (count_value == 0) { /* reset initial value */ /* count_value = 2085937.5(HZ) (per 1 sec)*/ - count_value = get_pclk() / ((PRESCALER_1 + 1) * + count_value = get_pwm_clk() / ((PRESCALER_1 + 1) * (MUX_DIV_2 + 1)); /* count_value / 100 = 20859.375(HZ) (per 10 msec) */ diff --git a/arch/arm/cpu/armv7/s5pc1xx/clock.c b/arch/arm/cpu/armv7/s5pc1xx/clock.c index c9b54856e..98a27e551 100644 --- a/arch/arm/cpu/armv7/s5pc1xx/clock.c +++ b/arch/arm/cpu/armv7/s5pc1xx/clock.c @@ -38,7 +38,8 @@ #define CONFIG_SYS_CLK_FREQ_C110 24000000 #endif -unsigned long (*get_pclk)(void); +unsigned long (*get_uart_clk)(int dev_index); +unsigned long (*get_pwm_clk)(void); unsigned long (*get_arm_clk)(void); unsigned long (*get_pll_clk)(int); @@ -297,15 +298,33 @@ static unsigned long s5pc100_get_pclk(void) return get_pclkd1(); } +/* s5pc1xx: return uart clock frequency */ +static unsigned long s5pc1xx_get_uart_clk(int dev_index) +{ + if (cpu_is_s5pc110()) + return s5pc110_get_pclk(); + else + return s5pc100_get_pclk(); +} + +/* s5pc1xx: return pwm clock frequency */ +static unsigned long s5pc1xx_get_pwm_clk(void) +{ + if (cpu_is_s5pc110()) + return s5pc110_get_pclk(); + else + return s5pc100_get_pclk(); +} + void s5p_clock_init(void) { if (cpu_is_s5pc110()) { get_pll_clk = s5pc110_get_pll_clk; get_arm_clk = s5pc110_get_arm_clk; - get_pclk = s5pc110_get_pclk; } else { get_pll_clk = s5pc100_get_pll_clk; get_arm_clk = s5pc100_get_arm_clk; - get_pclk = s5pc100_get_pclk; } + get_uart_clk = s5pc1xx_get_uart_clk; + get_pwm_clk = s5pc1xx_get_pwm_clk; } diff --git a/arch/arm/include/asm/arch-s5pc1xx/clk.h b/arch/arm/include/asm/arch-s5pc1xx/clk.h index c25e17abd..3488eb7c1 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/clk.h +++ b/arch/arm/include/asm/arch-s5pc1xx/clk.h @@ -33,6 +33,7 @@ void s5p_clock_init(void); extern unsigned long (*get_pll_clk)(int pllreg); extern unsigned long (*get_arm_clk)(void); -extern unsigned long (*get_pclk)(void); +extern unsigned long (*get_pwm_clk)(void); +extern unsigned long (*get_uart_clk)(int dev_index); #endif diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index 6a61b4fa5..77096643f 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -63,11 +63,11 @@ void serial_setbrg_dev(const int dev_index) { DECLARE_GLOBAL_DATA_PTR; struct s5p_uart *const uart = s5p_get_base_uart(dev_index); - u32 pclk = get_pclk(); + u32 uclk = get_uart_clk(dev_index); u32 baudrate = gd->baudrate; u32 val; - val = pclk / baudrate; + val = uclk / baudrate; writel(val / 16 - 1, &uart->ubrdiv); writew(udivslot[val % 16], &uart->udivslot); -- cgit v1.2.3-70-g09d2 From a87bc64cb4311323f592265541ced6ec9171d4d6 Mon Sep 17 00:00:00 2001 From: Minkyu Kang Date: Wed, 25 Aug 2010 13:45:43 +0900 Subject: ARMV7: S5P: rename the member of gpio structure Typically we declare the name of gpio structure to "gpio", so it was duplicated around the name. (e.g: gpio->gpio_a) This patch modified the naming that is removing "gpio_". Signed-off-by: Minkyu Kang Signed-off-by: Kyungmin Park --- arch/arm/include/asm/arch-s5pc1xx/gpio.h | 172 +++++++++++++++---------------- board/samsung/goni/goni.c | 8 +- board/samsung/smdkc100/smdkc100.c | 2 +- 3 files changed, 91 insertions(+), 91 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-s5pc1xx/gpio.h b/arch/arm/include/asm/arch-s5pc1xx/gpio.h index 9a7faed31..2df33a607 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/gpio.h +++ b/arch/arm/include/asm/arch-s5pc1xx/gpio.h @@ -33,96 +33,96 @@ struct s5p_gpio_bank { }; struct s5pc100_gpio { - struct s5p_gpio_bank gpio_a0; - struct s5p_gpio_bank gpio_a1; - struct s5p_gpio_bank gpio_b; - struct s5p_gpio_bank gpio_c; - struct s5p_gpio_bank gpio_d; - struct s5p_gpio_bank gpio_e0; - struct s5p_gpio_bank gpio_e1; - struct s5p_gpio_bank gpio_f0; - struct s5p_gpio_bank gpio_f1; - struct s5p_gpio_bank gpio_f2; - struct s5p_gpio_bank gpio_f3; - struct s5p_gpio_bank gpio_g0; - struct s5p_gpio_bank gpio_g1; - struct s5p_gpio_bank gpio_g2; - struct s5p_gpio_bank gpio_g3; - struct s5p_gpio_bank gpio_i; - struct s5p_gpio_bank gpio_j0; - struct s5p_gpio_bank gpio_j1; - struct s5p_gpio_bank gpio_j2; - struct s5p_gpio_bank gpio_j3; - struct s5p_gpio_bank gpio_j4; - struct s5p_gpio_bank gpio_k0; - struct s5p_gpio_bank gpio_k1; - struct s5p_gpio_bank gpio_k2; - struct s5p_gpio_bank gpio_k3; - struct s5p_gpio_bank gpio_l0; - struct s5p_gpio_bank gpio_l1; - struct s5p_gpio_bank gpio_l2; - struct s5p_gpio_bank gpio_l3; - struct s5p_gpio_bank gpio_l4; - struct s5p_gpio_bank gpio_h0; - struct s5p_gpio_bank gpio_h1; - struct s5p_gpio_bank gpio_h2; - struct s5p_gpio_bank gpio_h3; + struct s5p_gpio_bank a0; + struct s5p_gpio_bank a1; + struct s5p_gpio_bank b; + struct s5p_gpio_bank c; + struct s5p_gpio_bank d; + struct s5p_gpio_bank e0; + struct s5p_gpio_bank e1; + struct s5p_gpio_bank f0; + struct s5p_gpio_bank f1; + struct s5p_gpio_bank f2; + struct s5p_gpio_bank f3; + struct s5p_gpio_bank g0; + struct s5p_gpio_bank g1; + struct s5p_gpio_bank g2; + struct s5p_gpio_bank g3; + struct s5p_gpio_bank i; + struct s5p_gpio_bank j0; + struct s5p_gpio_bank j1; + struct s5p_gpio_bank j2; + struct s5p_gpio_bank j3; + struct s5p_gpio_bank j4; + struct s5p_gpio_bank k0; + struct s5p_gpio_bank k1; + struct s5p_gpio_bank k2; + struct s5p_gpio_bank k3; + struct s5p_gpio_bank l0; + struct s5p_gpio_bank l1; + struct s5p_gpio_bank l2; + struct s5p_gpio_bank l3; + struct s5p_gpio_bank l4; + struct s5p_gpio_bank h0; + struct s5p_gpio_bank h1; + struct s5p_gpio_bank h2; + struct s5p_gpio_bank h3; }; struct s5pc110_gpio { - struct s5p_gpio_bank gpio_a0; - struct s5p_gpio_bank gpio_a1; - struct s5p_gpio_bank gpio_b; - struct s5p_gpio_bank gpio_c0; - struct s5p_gpio_bank gpio_c1; - struct s5p_gpio_bank gpio_d0; - struct s5p_gpio_bank gpio_d1; - struct s5p_gpio_bank gpio_e0; - struct s5p_gpio_bank gpio_e1; - struct s5p_gpio_bank gpio_f0; - struct s5p_gpio_bank gpio_f1; - struct s5p_gpio_bank gpio_f2; - struct s5p_gpio_bank gpio_f3; - struct s5p_gpio_bank gpio_g0; - struct s5p_gpio_bank gpio_g1; - struct s5p_gpio_bank gpio_g2; - struct s5p_gpio_bank gpio_g3; - struct s5p_gpio_bank gpio_i; - struct s5p_gpio_bank gpio_j0; - struct s5p_gpio_bank gpio_j1; - struct s5p_gpio_bank gpio_j2; - struct s5p_gpio_bank gpio_j3; - struct s5p_gpio_bank gpio_j4; - struct s5p_gpio_bank gpio_mp0_1; - struct s5p_gpio_bank gpio_mp0_2; - struct s5p_gpio_bank gpio_mp0_3; - struct s5p_gpio_bank gpio_mp0_4; - struct s5p_gpio_bank gpio_mp0_5; - struct s5p_gpio_bank gpio_mp0_6; - struct s5p_gpio_bank gpio_mp0_7; - struct s5p_gpio_bank gpio_mp1_0; - struct s5p_gpio_bank gpio_mp1_1; - struct s5p_gpio_bank gpio_mp1_2; - struct s5p_gpio_bank gpio_mp1_3; - struct s5p_gpio_bank gpio_mp1_4; - struct s5p_gpio_bank gpio_mp1_5; - struct s5p_gpio_bank gpio_mp1_6; - struct s5p_gpio_bank gpio_mp1_7; - struct s5p_gpio_bank gpio_mp1_8; - struct s5p_gpio_bank gpio_mp2_0; - struct s5p_gpio_bank gpio_mp2_1; - struct s5p_gpio_bank gpio_mp2_2; - struct s5p_gpio_bank gpio_mp2_3; - struct s5p_gpio_bank gpio_mp2_4; - struct s5p_gpio_bank gpio_mp2_5; - struct s5p_gpio_bank gpio_mp2_6; - struct s5p_gpio_bank gpio_mp2_7; - struct s5p_gpio_bank gpio_mp2_8; + struct s5p_gpio_bank a0; + struct s5p_gpio_bank a1; + struct s5p_gpio_bank b; + struct s5p_gpio_bank c0; + struct s5p_gpio_bank c1; + struct s5p_gpio_bank d0; + struct s5p_gpio_bank d1; + struct s5p_gpio_bank e0; + struct s5p_gpio_bank e1; + struct s5p_gpio_bank f0; + struct s5p_gpio_bank f1; + struct s5p_gpio_bank f2; + struct s5p_gpio_bank f3; + struct s5p_gpio_bank g0; + struct s5p_gpio_bank g1; + struct s5p_gpio_bank g2; + struct s5p_gpio_bank g3; + struct s5p_gpio_bank i; + struct s5p_gpio_bank j0; + struct s5p_gpio_bank j1; + struct s5p_gpio_bank j2; + struct s5p_gpio_bank j3; + struct s5p_gpio_bank j4; + struct s5p_gpio_bank mp0_1; + struct s5p_gpio_bank mp0_2; + struct s5p_gpio_bank mp0_3; + struct s5p_gpio_bank mp0_4; + struct s5p_gpio_bank mp0_5; + struct s5p_gpio_bank mp0_6; + struct s5p_gpio_bank mp0_7; + struct s5p_gpio_bank mp1_0; + struct s5p_gpio_bank mp1_1; + struct s5p_gpio_bank mp1_2; + struct s5p_gpio_bank mp1_3; + struct s5p_gpio_bank mp1_4; + struct s5p_gpio_bank mp1_5; + struct s5p_gpio_bank mp1_6; + struct s5p_gpio_bank mp1_7; + struct s5p_gpio_bank mp1_8; + struct s5p_gpio_bank mp2_0; + struct s5p_gpio_bank mp2_1; + struct s5p_gpio_bank mp2_2; + struct s5p_gpio_bank mp2_3; + struct s5p_gpio_bank mp2_4; + struct s5p_gpio_bank mp2_5; + struct s5p_gpio_bank mp2_6; + struct s5p_gpio_bank mp2_7; + struct s5p_gpio_bank mp2_8; struct s5p_gpio_bank res1[48]; - struct s5p_gpio_bank gpio_h0; - struct s5p_gpio_bank gpio_h1; - struct s5p_gpio_bank gpio_h2; - struct s5p_gpio_bank gpio_h3; + struct s5p_gpio_bank h0; + struct s5p_gpio_bank h1; + struct s5p_gpio_bank h2; + struct s5p_gpio_bank h3; }; /* functions */ diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c index 060d5d17c..433672911 100644 --- a/board/samsung/goni/goni.c +++ b/board/samsung/goni/goni.c @@ -67,7 +67,7 @@ int board_mmc_init(bd_t *bis) int i; /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */ - gpio_direction_output(&s5pc110_gpio->gpio_j2, 7, 1); + gpio_direction_output(&s5pc110_gpio->j2, 7, 1); /* * MMC0 GPIO @@ -80,11 +80,11 @@ int board_mmc_init(bd_t *bis) if (i == 2) continue; /* GPG0[0:6] special function 2 */ - gpio_cfg_pin(&s5pc110_gpio->gpio_g0, i, 0x2); + gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2); /* GPG0[0:6] pull disable */ - gpio_set_pull(&s5pc110_gpio->gpio_g0, i, GPIO_PULL_NONE); + gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE); /* GPG0[0:6] drv 4x */ - gpio_set_drv(&s5pc110_gpio->gpio_g0, i, GPIO_DRV_4X); + gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X); } return s5p_mmc_init(0); diff --git a/board/samsung/smdkc100/smdkc100.c b/board/samsung/smdkc100/smdkc100.c index bb72fd113..31e8d9e0e 100644 --- a/board/samsung/smdkc100/smdkc100.c +++ b/board/samsung/smdkc100/smdkc100.c @@ -41,7 +41,7 @@ static void smc9115_pre_init(void) (struct s5pc100_gpio *)samsung_get_base_gpio(); /* gpio configuration GPK0CON */ - gpio_cfg_pin(&gpio->gpio_k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); + gpio_cfg_pin(&gpio->k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); /* Ethernet needs bus width of 16 bits */ smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK); -- cgit v1.2.3-70-g09d2 From 1592ef8596fffd937a30462eb15f1d64e237ae49 Mon Sep 17 00:00:00 2001 From: Reinhard Meyer Date: Fri, 13 Aug 2010 10:31:06 +0200 Subject: AT91: MCI: add SD/MMC driver using mmc framework Signed-off-by: Reinhard Meyer --- arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c | 21 ++ arch/arm/include/asm/arch-at91/at91_common.h | 1 + arch/arm/include/asm/arch-at91/clk.h | 5 + arch/arm/include/asm/arch-at91/hardware.h | 1 + doc/README.atmel_mci | 86 ++++++ drivers/mmc/Makefile | 5 +- drivers/mmc/atmel_mci.h | 48 ++- drivers/mmc/gen_atmel_mci.c | 353 ++++++++++++++++++++++ include/mmc.h | 15 +- 9 files changed, 530 insertions(+), 5 deletions(-) create mode 100644 doc/README.atmel_mci create mode 100644 drivers/mmc/gen_atmel_mci.c (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c index 77d49ab1c..2d8848152 100644 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c @@ -194,3 +194,24 @@ void at91_macb_hw_init(void) #endif } #endif + +#if defined(CONFIG_ATMEL_MCI) || defined(CONFIG_GENERIC_ATMEL_MCI) +void at91_mci_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTA, 8, 1); /* MCCK */ +#if defined(CONFIG_ATMEL_MCI_PORTB) + at91_set_b_periph(AT91_PIO_PORTA, 1, 1); /* MCCDB */ + at91_set_b_periph(AT91_PIO_PORTA, 0, 1); /* MCDB0 */ + at91_set_b_periph(AT91_PIO_PORTA, 5, 1); /* MCDB1 */ + at91_set_b_periph(AT91_PIO_PORTA, 4, 1); /* MCDB2 */ + at91_set_b_periph(AT91_PIO_PORTA, 3, 1); /* MCDB3 */ +#else + at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* MCCDA */ + at91_set_a_periph(AT91_PIO_PORTA, 6, 1); /* MCDA0 */ + at91_set_a_periph(AT91_PIO_PORTA, 9, 1); /* MCDA1 */ + at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* MCDA2 */ + at91_set_a_periph(AT91_PIO_PORTA, 11, 1); /* MCDA3 */ +#endif +} +#endif + diff --git a/arch/arm/include/asm/arch-at91/at91_common.h b/arch/arm/include/asm/arch-at91/at91_common.h index 01840eede..0067190a2 100644 --- a/arch/arm/include/asm/arch-at91/at91_common.h +++ b/arch/arm/include/asm/arch-at91/at91_common.h @@ -27,6 +27,7 @@ void at91_can_hw_init(void); void at91_macb_hw_init(void); +void at91_mci_hw_init(void); void at91_serial_hw_init(void); void at91_serial0_hw_init(void); void at91_serial1_hw_init(void); diff --git a/arch/arm/include/asm/arch-at91/clk.h b/arch/arm/include/asm/arch-at91/clk.h index f642dd995..457e6c9b2 100644 --- a/arch/arm/include/asm/arch-at91/clk.h +++ b/arch/arm/include/asm/arch-at91/clk.h @@ -59,5 +59,10 @@ static inline unsigned long get_twi_clk_rate(unsigned int dev_id) return get_mck_clk_rate(); } +static inline unsigned long get_mci_clk_rate(void) +{ + return get_mck_clk_rate(); +} + int at91_clock_init(unsigned long main_clock); #endif /* __ASM_ARM_ARCH_CLK_H__ */ diff --git a/arch/arm/include/asm/arch-at91/hardware.h b/arch/arm/include/asm/arch-at91/hardware.h index 4ddb3155d..9f732a738 100644 --- a/arch/arm/include/asm/arch-at91/hardware.h +++ b/arch/arm/include/asm/arch-at91/hardware.h @@ -20,6 +20,7 @@ #include #elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9G20) #include +#define AT91_BASE_MCI AT91SAM9260_BASE_MCI #define AT91_BASE_SPI AT91SAM9260_BASE_SPI0 #define AT91_ID_UHP AT91SAM9260_ID_UHP #define AT91_PMC_UHP AT91SAM926x_PMC_UHP diff --git a/doc/README.atmel_mci b/doc/README.atmel_mci new file mode 100644 index 000000000..18b1bdf7e --- /dev/null +++ b/doc/README.atmel_mci @@ -0,0 +1,86 @@ +How to use SD/MMC cards with Atmel SoCs having MCI hardware +----------------------------------------------------------- +2010-08-16 Reinhard Meyer + +This is a new approach to use Atmel MCI hardware with the +general MMC framework. Therefore it benefits from that +framework's abilities to handle SDHC Cards and the ability +to write blocks. + +- AT91SAM9XE512 (tested, will definitely work with XE128 and XE256) +- AT91SAM9260 (not tested, but MCI is to AT91SAM9XE) +- AT91SAM9G20 (not tested, should work) + +It should work with all other ATMEL devices that have MCI, +including AVR32. + +The generic driver does NOT assign port pins to the MCI block +nor does it start the MCI clock. This has to be handled in a +board/SoC specific manner before the driver is initialized: + +example: this is added to at91sam9260_devices.c: + +#if defined(CONFIG_ATMEL_MCI) || defined(CONFIG_GENERIC_ATMEL_MCI) +void at91_mci_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTA, 8, PUP); /* MCCK */ +#if defined(CONFIG_ATMEL_MCI_PORTB) + at91_set_b_periph(AT91_PIO_PORTA, 1, PUP); /* MCCDB */ + at91_set_b_periph(AT91_PIO_PORTA, 0, PUP); /* MCDB0 */ + at91_set_b_periph(AT91_PIO_PORTA, 5, PUP); /* MCDB1 */ + at91_set_b_periph(AT91_PIO_PORTA, 4, PUP); /* MCDB2 */ + at91_set_b_periph(AT91_PIO_PORTA, 3, PUP); /* MCDB3 */ +#else + at91_set_a_periph(AT91_PIO_PORTA, 7, PUP); /* MCCDA */ + at91_set_a_periph(AT91_PIO_PORTA, 6, PUP); /* MCDA0 */ + at91_set_a_periph(AT91_PIO_PORTA, 9, PUP); /* MCDA1 */ + at91_set_a_periph(AT91_PIO_PORTA, 10, PUP); /* MCDA2 */ + at91_set_a_periph(AT91_PIO_PORTA, 11, PUP); /* MCDA3 */ +#endif +} +#endif + +the board specific file need added: +... +#ifdef CONFIG_GENERIC_ATMEL_MCI +# include +#endif +... +#ifdef CONFIG_GENERIC_ATMEL_MCI +/* this is a weak define that we are overriding */ +int board_mmc_init(bd_t *bd) +{ + /* Enable clock */ + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_MCI); + at91_mci_hw_init(); + + /* This calls the atmel_mci_init in gen_atmel_mci.c */ + return atmel_mci_init((void *)AT91_BASE_MCI); +} + +/* this is a weak define that we are overriding */ +int board_mmc_getcd(u8 *cd, struct mmc *mmc) +{ + /* + * the only currently existing use of this function + * (fsl_esdhc.c) suggests this function must return + * *cs = TRUE if a card is NOT detected -> in most + * cases the value of the pin when the detect switch + * closes to GND + */ + *cd = at91_get_gpio_value (CONFIG_SYS_MMC_CD_PIN) ? 1 : 0; + return 0; +} + +#endif + +and the board definition files needs: + +/* SD/MMC card */ +#define CONFIG_MMC 1 +#define CONFIG_GENERIC_MMC 1 +#define CONFIG_GENERIC_ATMEL_MCI 1 +#define CONFIG_ATMEL_MCI_PORTB 1 /* Atmel XE-EK uses port B */ +#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9 +#define CONFIG_CMD_MMC 1 + diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 8dfd8a32b..6603d7429 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -25,12 +25,13 @@ include $(TOPDIR)/config.mk LIB := $(obj)libmmc.a -COBJS-$(CONFIG_GENERIC_MMC) += mmc.o COBJS-$(CONFIG_ATMEL_MCI) += atmel_mci.o COBJS-$(CONFIG_BFIN_SDH) += bfin_sdh.o -COBJS-$(CONFIG_OMAP3_MMC) += omap3_mmc.o COBJS-$(CONFIG_FSL_ESDHC) += fsl_esdhc.o +COBJS-$(CONFIG_GENERIC_MMC) += mmc.o +COBJS-$(CONFIG_GENERIC_ATMEL_MCI) += gen_atmel_mci.o COBJS-$(CONFIG_MXC_MMC) += mxcmmc.o +COBJS-$(CONFIG_OMAP3_MMC) += omap3_mmc.o COBJS-$(CONFIG_PXA_MMC) += pxa_mmc.o COBJS-$(CONFIG_S5P_MMC) += s5p_mmc.o diff --git a/drivers/mmc/atmel_mci.h b/drivers/mmc/atmel_mci.h index 5b4f5c99b..823a77d91 100644 --- a/drivers/mmc/atmel_mci.h +++ b/drivers/mmc/atmel_mci.h @@ -22,7 +22,45 @@ #ifndef __CPU_AT32AP_ATMEL_MCI_H__ #define __CPU_AT32AP_ATMEL_MCI_H__ -/* Atmel MultiMedia Card Interface (MCI) registers */ +#ifndef __ASSEMBLY__ + +/* + * Structure for struct SoC access. + * Names starting with '_' are fillers. + */ +typedef struct atmel_mci { + /* reg Offset */ + u32 cr; /* 0x00 */ + u32 mr; /* 0x04 */ + u32 dtor; /* 0x08 */ + u32 sdcr; /* 0x0c */ + u32 argr; /* 0x10 */ + u32 cmdr; /* 0x14 */ + u32 _18; /* 0x18 */ + u32 _1c; /* 0x1c */ + u32 rspr; /* 0x20 */ + u32 rspr1; /* 0x24 */ + u32 rspr2; /* 0x28 */ + u32 rspr3; /* 0x2c */ + u32 rdr; /* 0x30 */ + u32 tdr; /* 0x34 */ + u32 _38; /* 0x38 */ + u32 _3c; /* 0x3c */ + u32 sr; /* 0x40 */ + u32 ier; /* 0x44 */ + u32 idr; /* 0x48 */ + u32 imr; /* 0x4c */ +} atmel_mci_t; + +#endif /* __ASSEMBLY__ */ + +/* + * NOTICE: Use of registers offsets is depreciated. + * These defines will be removed once the old driver + * is taken out of commision. + * + * Atmel MultiMedia Card Interface (MCI) registers + */ #define MMCI_CR 0x0000 #define MMCI_MR 0x0004 #define MMCI_DTOR 0x0008 @@ -192,7 +230,13 @@ << MMCI_##name##_OFFSET)) \ | MMCI_BF(name,value)) -/* Register access macros */ +/* + * NOTICE: Use of registers offsets is depreciated. + * These defines will be removed once the old driver + * is taken out of commision. + * + * Register access macros + */ #define mmci_readl(reg) \ readl((void *)MMCI_BASE + MMCI_##reg) #define mmci_writel(reg,value) \ diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c new file mode 100644 index 000000000..fa4df9943 --- /dev/null +++ b/drivers/mmc/gen_atmel_mci.c @@ -0,0 +1,353 @@ +/* + * Copyright (C) 2010 + * Rob Emanuele + * Reinhard Meyer, EMK Elektronik + * + * Original Driver: + * Copyright (C) 2004-2006 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "atmel_mci.h" + +#ifndef CONFIG_SYS_MMC_CLK_OD +# define CONFIG_SYS_MMC_CLK_OD 150000 +#endif + +#define MMC_DEFAULT_BLKLEN 512 + +#if defined(CONFIG_ATMEL_MCI_PORTB) +# define MCI_BUS 1 +#else +# define MCI_BUS 0 +#endif + +static int initialized = 0; + +/* + * Print command and status: + * + * - always when DEBUG is defined + * - on command errors + */ +static void dump_cmd(u32 cmdr, u32 arg, u32 status, const char* msg) +{ + printf("gen_atmel_mci: CMDR %08x (%2u) ARGR %08x (SR: %08x) %s\n", + cmdr, cmdr&0x3F, arg, status, msg); +} + +/* Setup for MCI Clock and Block Size */ +static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen) +{ + atmel_mci_t *mci = (atmel_mci_t *)mmc->priv; + u32 bus_hz = get_mci_clk_rate(); + u32 clkdiv = 255; + + debug("mci: bus_hz is %u, setting clock %u Hz, block size %u\n", + bus_hz, hz, blklen); + if (hz > 0) { + /* find lowest clkdiv yielding a rate <= than requested */ + for (clkdiv=0; clkdiv<255; clkdiv++) { + if ((bus_hz / (clkdiv+1) / 2) <= hz) + break; + } + } + printf("mci: setting clock %u Hz, block size %u\n", + (bus_hz / (clkdiv+1)) / 2, blklen); + + blklen &= 0xfffc; + /* On some platforms RDPROOF and WRPROOF are ignored */ + writel((MMCI_BF(CLKDIV, clkdiv) + | MMCI_BF(BLKLEN, blklen) + | MMCI_BIT(RDPROOF) + | MMCI_BIT(WRPROOF)), &mci->mr); + initialized = 1; +} + +/* Return the CMDR with flags for a given command and data packet */ +static u32 mci_encode_cmd( + struct mmc_cmd *cmd, struct mmc_data *data, u32* error_flags) +{ + u32 cmdr = 0; + + /* Default Flags for Errors */ + *error_flags |= (MMCI_BIT(DTOE) | MMCI_BIT(RDIRE) | MMCI_BIT(RENDE) | + MMCI_BIT(RINDE) | MMCI_BIT(RTOE)); + + /* Default Flags for the Command */ + cmdr |= MMCI_BIT(MAXLAT); + + if (data) { + cmdr |= MMCI_BF(TRCMD, 1); + if (data->blocks > 1) + cmdr |= MMCI_BF(TRTYP, 1); + if (data->flags & MMC_DATA_READ) + cmdr |= MMCI_BIT(TRDIR); + } + + if (cmd->resp_type & MMC_RSP_CRC) + *error_flags |= MMCI_BIT(RCRCE); + if (cmd->resp_type & MMC_RSP_136) + cmdr |= MMCI_BF(RSPTYP, 2); + else if (cmd->resp_type & MMC_RSP_BUSY) + cmdr |= MMCI_BF(RSPTYP, 3); + else if (cmd->resp_type & MMC_RSP_PRESENT) + cmdr |= MMCI_BF(RSPTYP, 1); + + return cmdr | MMCI_BF(CMDNB, cmd->cmdidx); +} + +/* Entered into function pointer in mci_send_cmd */ +static u32 mci_data_read(atmel_mci_t *mci, u32* data, u32 error_flags) +{ + u32 status; + + do { + status = readl(&mci->sr); + if (status & (error_flags | MMCI_BIT(OVRE))) + goto io_fail; + } while (!(status & MMCI_BIT(RXRDY))); + + if (status & MMCI_BIT(RXRDY)) { + *data = readl(&mci->rdr); + status = 0; + } +io_fail: + return status; +} + +/* Entered into function pointer in mci_send_cmd */ +static u32 mci_data_write(atmel_mci_t *mci, u32* data, u32 error_flags) +{ + u32 status; + + do { + status = readl(&mci->sr); + if (status & (error_flags | MMCI_BIT(UNRE))) + goto io_fail; + } while (!(status & MMCI_BIT(TXRDY))); + + if (status & MMCI_BIT(TXRDY)) { + writel(*data, &mci->tdr); + status = 0; + } +io_fail: + return status; +} + +/* + * Entered into mmc structure during driver init + * + * Sends a command out on the bus and deals with the block data. + * Takes the mmc pointer, a command pointer, and an optional data pointer. + */ +static int +mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) +{ + atmel_mci_t *mci = (atmel_mci_t *)mmc->priv; + u32 cmdr; + u32 error_flags = 0; + u32 status; + + if (!initialized) { + puts ("MCI not initialized!\n"); + return COMM_ERR; + } + + /* Figure out the transfer arguments */ + cmdr = mci_encode_cmd(cmd, data, &error_flags); + + /* Send the command */ + writel(cmd->cmdarg, &mci->argr); + writel(cmdr, &mci->cmdr); + +#ifdef DEBUG + dump_cmd(cmdr, cmd->cmdarg, 0, "DEBUG"); +#endif + + /* Wait for the command to complete */ + while (!((status = readl(&mci->sr)) & MMCI_BIT(CMDRDY))); + + if (status & error_flags) { + dump_cmd(cmdr, cmd->cmdarg, status, "Command Failed"); + return COMM_ERR; + } + + /* Copy the response to the response buffer */ + if (cmd->resp_type & MMC_RSP_136) { + cmd->response[0] = readl(&mci->rspr); + cmd->response[1] = readl(&mci->rspr1); + cmd->response[2] = readl(&mci->rspr2); + cmd->response[3] = readl(&mci->rspr3); + } else + cmd->response[0] = readl(&mci->rspr); + + /* transfer all of the blocks */ + if (data) { + u32 word_count, block_count; + u32* ioptr; + u32 sys_blocksize, dummy, i; + u32 (*mci_data_op) + (atmel_mci_t *mci, u32* data, u32 error_flags); + + if (data->flags & MMC_DATA_READ) { + mci_data_op = mci_data_read; + sys_blocksize = mmc->read_bl_len; + ioptr = (u32*)data->dest; + } else { + mci_data_op = mci_data_write; + sys_blocksize = mmc->write_bl_len; + ioptr = (u32*)data->src; + } + + status = 0; + for (block_count = 0; + block_count < data->blocks && !status; + block_count++) { + word_count = 0; + do { + status = mci_data_op(mci, ioptr, error_flags); + word_count++; + ioptr++; + } while (!status && word_count < (data->blocksize/4)); +#ifdef DEBUG + if (data->flags & MMC_DATA_READ) + { + printf("Read Data:\n"); + print_buffer(0, data->dest, 1, + word_count*4, 0); + } +#endif +#ifdef DEBUG + if (!status && word_count < (sys_blocksize / 4)) + printf("filling rest of block...\n"); +#endif + /* fill the rest of a full block */ + while (!status && word_count < (sys_blocksize / 4)) { + status = mci_data_op(mci, &dummy, + error_flags); + word_count++; + } + if (status) { + dump_cmd(cmdr, cmd->cmdarg, status, + "Data Transfer Failed"); + return COMM_ERR; + } + } + + /* Wait for Transfer End */ + i = 0; + do { + status = readl(&mci->sr); + + if (status & error_flags) { + dump_cmd(cmdr, cmd->cmdarg, status, + "DTIP Wait Failed"); + return COMM_ERR; + } + i++; + } while ((status & MMCI_BIT(DTIP)) && i < 10000); + if (status & MMCI_BIT(DTIP)) { + dump_cmd(cmdr, cmd->cmdarg, status, + "XFER DTIP never unset, ignoring"); + } + } + + return 0; +} + +/* Entered into mmc structure during driver init */ +static void mci_set_ios(struct mmc *mmc) +{ + atmel_mci_t *mci = (atmel_mci_t *)mmc->priv; + int busw = (mmc->bus_width == 4) ? 1 : 0; + + /* Set the clock speed */ + mci_set_mode(mmc, mmc->clock, MMC_DEFAULT_BLKLEN); + + /* + * set the bus width and select slot for this interface + * there is no capability for multiple slots on the same interface yet + * Bitfield SCDBUS needs to be expanded to 2 bits for 8-bit buses + */ + writel(MMCI_BF(SCDBUS, busw) | MMCI_BF(SCDSEL, MCI_BUS), &mci->sdcr); +} + +/* Entered into mmc structure during driver init */ +static int mci_init(struct mmc *mmc) +{ + atmel_mci_t *mci = (atmel_mci_t *)mmc->priv; + + /* Initialize controller */ + writel(MMCI_BIT(SWRST), &mci->cr); /* soft reset */ + writel(MMCI_BIT(PWSDIS), &mci->cr); /* disable power save */ + writel(MMCI_BIT(MCIEN), &mci->cr); /* enable mci */ + + /* Initial Time-outs */ + writel(0x5f, &mci->dtor); + /* Disable Interrupts */ + writel(~0UL, &mci->idr); + + /* Set default clocks and blocklen */ + mci_set_mode(mmc, CONFIG_SYS_MMC_CLK_OD, MMC_DEFAULT_BLKLEN); + + return 0; +} + +/* + * This is the only exported function + * + * Call it with the MCI register base address + */ +int atmel_mci_init(void *regs) +{ + struct mmc *mmc = malloc(sizeof(struct mmc)); + + if (!mmc) + return -1; + strcpy(mmc->name, "mci"); + mmc->priv = regs; + mmc->send_cmd = mci_send_cmd; + mmc->set_ios = mci_set_ios; + mmc->init = mci_init; + + /* need to be able to pass these in on a board by board basis */ + mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; + mmc->host_caps = MMC_MODE_4BIT; + /* + * min and max frequencies determined by + * max and min of clock divider + */ + mmc->f_min = get_mci_clk_rate() / (2*256); + mmc->f_max = get_mci_clk_rate() / (2*1); + + mmc_register(mmc); + + return 0; +} diff --git a/include/mmc.h b/include/mmc.h index fcb237e81..9f94f423f 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -179,6 +179,16 @@ struct mmc_cid { char pnm[7]; }; +/* + * WARNING! + * + * This structure is used by atmel_mci.c only. + * It works for the AVR32 architecture but NOT + * for ARM/AT91 architectures. + * Its use is highly depreciated. + * After the atmel_mci.c driver for AVR32 has + * been replaced this structure will be removed. + */ struct mmc_csd { u8 csd_structure:2, @@ -275,7 +285,10 @@ int mmc_set_dev(int dev_num); void print_mmc_devices(char separator); int board_mmc_getcd(u8 *cd, struct mmc *mmc); -#ifndef CONFIG_GENERIC_MMC +#ifdef CONFIG_GENERIC_MMC +int atmel_mci_init(void *regs); +#else int mmc_legacy_init(int verbose); #endif + #endif /* _MMC_H_ */ -- cgit v1.2.3-70-g09d2 From c7260d153994d65416b9b275838f101738e60564 Mon Sep 17 00:00:00 2001 From: Reinhard Meyer Date: Tue, 27 Jul 2010 16:22:09 +0200 Subject: AT91: add RTT and GPBR based RTC Signed-off-by: Reinhard Meyer --- arch/arm/include/asm/arch-at91/at91_gpbr.h | 45 +++++++++++++ arch/arm/include/asm/arch-at91/at91_rtt.h | 36 +++++++++++ drivers/rtc/Makefile | 1 + drivers/rtc/at91sam9_rtt.c | 100 +++++++++++++++++++++++++++++ 4 files changed, 182 insertions(+) create mode 100644 arch/arm/include/asm/arch-at91/at91_gpbr.h create mode 100644 arch/arm/include/asm/arch-at91/at91_rtt.h create mode 100644 drivers/rtc/at91sam9_rtt.c (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-at91/at91_gpbr.h b/arch/arm/include/asm/arch-at91/at91_gpbr.h new file mode 100644 index 000000000..cf1d790dd --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91_gpbr.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2010 + * Reinhard Meyer, reinhard.meyer@emk-elektronik.de + * + * General Purpose Backup Registers + * Based on AT91SAM9XE datasheet + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91_GPBR_H +#define AT91_GPBR_H + +/* + * The Atmel AT91SAM9 series has a small resource of 4 nonvolatile + * 32 Bit registers (buffered by the Vbu power). + * + * Please consider carefully before using this resource for tasks + * that do not really need nonvolatile registers. Maybe you can + * store information in EEPROM or FLASH instead. + * + * However, if you use a GPBR please document its use here and + * reference the define in your code! + * + * known typical uses of the GPBRs: + * GPBR[0]: offset for RTT timekeeping (u-boot, kernel) + * GPBR[1]: unused + * GPBR[2]: unused + * GPBR[3]: bootcount (u-boot) + */ +#define AT91_GPBR_INDEX_TIMEOFF 0 +#define AT91_GPBR_INDEX_BOOTCOUNT 3 + +#ifndef __ASSEMBLY__ + +typedef struct at91_gpbr { + u32 reg[4]; +} at91_gpbr_t; + +#endif /* __ASSEMBLY__ */ + +#endif diff --git a/arch/arm/include/asm/arch-at91/at91_rtt.h b/arch/arm/include/asm/arch-at91/at91_rtt.h new file mode 100644 index 000000000..e0253ef82 --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91_rtt.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2010 + * Reinhard Meyer, reinhard.meyer@emk-elektronik.de + * + * Real-time Timer + * Based on AT91SAM9XE datasheet + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91_RTT_H +#define AT91_RTT_H + +#ifndef __ASSEMBLY__ + +typedef struct at91_rtt { + u32 mr; /* Mode Register RW 0x00008000 */ + u32 ar; /* Alarm Register RW 0xFFFFFFFF */ + u32 vr; /* Value Register RO 0x00000000 */ + u32 sr; /* Status Register RO 0x00000000 */ +} at91_rtt_t; + +#endif /* __ASSEMBLY__ */ + +#define AT91_RTT_MR_RTPRES 0x0000ffff +#define AT91_RTT_MR_ALMIEN 0x00010000 +#define AT91_RTT_RTTINCIEN 0x00020000 +#define AT91_RTT_RTTRST 0x00040000 + +#define AT91_RTT_SR_ALMS 0x00000001 +#define AT91_RTT_SR_RTTINC 0x00000002 + +#endif diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 772a49a90..98734db77 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -27,6 +27,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)librtc.a +COBJS-$(CONFIG_RTC_AT91SAM9_RTT) += at91sam9_rtt.o COBJS-$(CONFIG_RTC_BFIN) += bfin_rtc.o COBJS-y += date.o COBJS-$(CONFIG_RTC_DS12887) += ds12887.o diff --git a/drivers/rtc/at91sam9_rtt.c b/drivers/rtc/at91sam9_rtt.c new file mode 100644 index 000000000..de8e30d0d --- /dev/null +++ b/drivers/rtc/at91sam9_rtt.c @@ -0,0 +1,100 @@ +/* + * (C) Copyright 2010 + * Reinhard Meyer, reinhard.meyer@emk-elektronik.de + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Date & Time support for the internal Real-time Timer + * of AT91SAM9260 and compatibles. + * Compatible with the LinuX rtc driver workaround: + * The RTT cannot be written to, but only reset. + * The actual time is the sum of RTT and one of + * the four GPBR registers. + * + * The at91sam9260 has 4 GPBR (0-3). + * For their typical use see at91_gpbr.h ! + * + * make sure u-boot and kernel use the same GPBR ! + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(CONFIG_CMD_DATE) + +int rtc_get (struct rtc_time *tmp) +{ + at91_rtt_t *rtt = (at91_rtt_t *) AT91_RTT_BASE; + at91_gpbr_t *gpbr = (at91_gpbr_t *) AT91_GPR_BASE; + ulong tim; + ulong tim2; + ulong off; + + do { + tim = readl(&rtt->vr); + tim2 = readl(&rtt->vr); + } while (tim!=tim2); + off = readl(&gpbr->reg[AT91_GPBR_INDEX_TIMEOFF]); + /* off==0 means time is invalid, but we ignore that */ + to_tm (tim+off, tmp); + return 0; +} + +int rtc_set (struct rtc_time *tmp) +{ + at91_rtt_t *rtt = (at91_rtt_t *) AT91_RTT_BASE; + at91_gpbr_t *gpbr = (at91_gpbr_t *) AT91_GPR_BASE; + ulong tim; + + tim = mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday, + tmp->tm_hour, tmp->tm_min, tmp->tm_sec); + + /* clear alarm, set prescaler to 32768, clear counter */ + writel(32768+AT91_RTT_RTTRST, &rtt->mr); + writel(~0, &rtt->ar); + writel(tim, &gpbr->reg[AT91_GPBR_INDEX_TIMEOFF]); + /* wait for counter clear to happen, takes less than a 1/32768th second */ + while (readl(&rtt->vr) != 0) + ; + return 0; +} + +void rtc_reset (void) +{ + at91_rtt_t *rtt = (at91_rtt_t *) AT91_RTT_BASE; + at91_gpbr_t *gpbr = (at91_gpbr_t *) AT91_GPR_BASE; + + /* clear alarm, set prescaler to 32768, clear counter */ + writel(32768+AT91_RTT_RTTRST, &rtt->mr); + writel(~0, &rtt->ar); + writel(0, &gpbr->reg[AT91_GPBR_INDEX_TIMEOFF]); + /* wait for counter clear to happen, takes less than a 1/32768th second */ + while (readl(&rtt->vr) != 0) + ; +} + +#endif -- cgit v1.2.3-70-g09d2 From d88bebe16d8141e85adcc894a10165a6dfd44805 Mon Sep 17 00:00:00 2001 From: Reinhard Meyer Date: Tue, 27 Jul 2010 15:18:38 +0200 Subject: AT91SAM9XE: add embedded flash support Signed-off-by: Reinhard Meyer --- arch/arm/cpu/arm926ejs/at91/Makefile | 1 + arch/arm/cpu/arm926ejs/at91/eflash.c | 271 +++++++++++++++++++++++++++++ arch/arm/include/asm/arch-at91/at91_dbu.h | 41 +++++ arch/arm/include/asm/arch-at91/at91_eefc.h | 51 ++++++ 4 files changed, 364 insertions(+) create mode 100644 arch/arm/cpu/arm926ejs/at91/eflash.c create mode 100644 arch/arm/include/asm/arch-at91/at91_dbu.h create mode 100644 arch/arm/include/asm/arch-at91/at91_eefc.h (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/arm926ejs/at91/Makefile b/arch/arm/cpu/arm926ejs/at91/Makefile index 4f467be91..def3980b6 100644 --- a/arch/arm/cpu/arm926ejs/at91/Makefile +++ b/arch/arm/cpu/arm926ejs/at91/Makefile @@ -34,6 +34,7 @@ COBJS-$(CONFIG_AT91SAM9263) += at91sam9263_devices.o COBJS-$(CONFIG_AT91SAM9RL) += at91sam9rl_devices.o COBJS-$(CONFIG_AT91SAM9M10G45) += at91sam9m10g45_devices.o COBJS-$(CONFIG_AT91SAM9G45) += at91sam9m10g45_devices.o +COBJS-$(CONFIG_AT91_EFLASH) += eflash.o COBJS-$(CONFIG_AT91_LED) += led.o COBJS-y += clock.o COBJS-y += cpu.o diff --git a/arch/arm/cpu/arm926ejs/at91/eflash.c b/arch/arm/cpu/arm926ejs/at91/eflash.c new file mode 100644 index 000000000..2e851dbd2 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/at91/eflash.c @@ -0,0 +1,271 @@ +/* + * (C) Copyright 2010 + * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * this driver supports the enhanced embedded flash in the Atmel + * AT91SAM9XE devices with the following geometry: + * + * AT91SAM9XE128: 1 plane of 8 regions of 32 pages (total 256 pages) + * AT91SAM9XE256: 1 plane of 16 regions of 32 pages (total 512 pages) + * AT91SAM9XE512: 1 plane of 32 regions of 32 pages (total 1024 pages) + * (the exact geometry is read from the flash at runtime, so any + * future devices should already be covered) + * + * Regions can be write/erase protected. + * Whole (!) pages can be individually written with erase on the fly. + * Writing partial pages will corrupt the rest of the page. + * + * The flash is presented to u-boot with each region being a sector, + * having the following effects: + * Each sector can be hardware protected (protect on/off). + * Each page in a sector can be rewritten anytime. + * Since pages are erased when written, the "erase" does nothing. + * The first "CONFIG_EFLASH_PROTSECTORS" cannot be unprotected + * by u-Boot commands. + * + * Note: Redundant environment will not work in this flash since + * it does use partial page writes. Make sure the environent spans + * whole pages! + */ + +/* + * optional TODOs (nice to have features): + * + * make the driver coexist with other NOR flash drivers + * (use an index into flash_info[], requires work + * in those other drivers, too) + * Make the erase command fill the sectors with 0xff + * (if the flashes grow larger in the future and + * someone puts a jffs2 into them) + * do a read-modify-write for partially programmed pages + */ +#include +#include +#include +#include +#include +#include + +/* checks to detect configuration errors */ +#if CONFIG_SYS_MAX_FLASH_BANKS!=1 +#error eflash: this driver can only handle 1 bank +#endif + +/* global structure */ +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; +static u32 pagesize; + +unsigned long flash_init (void) +{ + at91_eefc_t *eefc = (at91_eefc_t *) 0xfffffa00; + at91_dbu_t *dbu = (at91_dbu_t *) 0xfffff200; + u32 id, size, nplanes, planesize, nlocks; + u32 addr, i, tmp=0; + + debug("eflash: init\n"); + + flash_info[0].flash_id = FLASH_UNKNOWN; + + /* check if its an AT91ARM9XE SoC */ + if ((readl(&dbu->cidr) & AT91_DBU_CID_ARCH_MASK) != AT91_DBU_CID_ARCH_9XExx) { + puts("eflash: not an AT91SAM9XE\n"); + return 0; + } + + /* now query the eflash for its structure */ + writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_GETD, &eefc->fcr); + while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) + ; + id = readl(&eefc->frr); /* word 0 */ + size = readl(&eefc->frr); /* word 1 */ + pagesize = readl(&eefc->frr); /* word 2 */ + nplanes = readl(&eefc->frr); /* word 3 */ + planesize = readl(&eefc->frr); /* word 4 */ + debug("id=%08x size=%u pagesize=%u planes=%u planesize=%u\n", + id, size, pagesize, nplanes, planesize); + for (i=1; ifrr); /* words 5..4+nplanes-1 */ + }; + nlocks = readl(&eefc->frr); /* word 4+nplanes */ + debug("nlocks=%u\n", nlocks); + /* since we are going to use the lock regions as sectors, check count */ + if (nlocks > CONFIG_SYS_MAX_FLASH_SECT) { + printf("eflash: number of lock regions(%u) "\ + "> CONFIG_SYS_MAX_FLASH_SECT. reducing...\n", + nlocks); + nlocks = CONFIG_SYS_MAX_FLASH_SECT; + } + flash_info[0].size = size; + flash_info[0].sector_count = nlocks; + flash_info[0].flash_id = id; + + addr = AT91SAM9XE_FLASH_BASE; + for (i=0; ifrr); /* words 4+nplanes+1.. */ + flash_info[0].start[i] = addr; + flash_info[0].protect[i] = 0; + addr += tmp; + }; + + /* now read the protection information for all regions */ + writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_GLB, &eefc->fcr); + while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) + ; + for (i=0; ifrr); + flash_info[0].protect[i] = (tmp >> (i%32)) & 1; +#if defined(CONFIG_EFLASH_PROTSECTORS) + if (i < CONFIG_EFLASH_PROTSECTORS) + flash_info[0].protect[i] = 1; +#endif + } + + return size; +} + +void flash_print_info (flash_info_t *info) +{ + int i; + + puts("AT91SAM9XE embedded flash\n Size: "); + print_size(info->size, " in "); + printf("%d Sectors\n", info->sector_count); + + printf(" Sector Start Addresses:"); + for (i=0; isector_count; ++i) { + if ((i % 5) == 0) + printf("\n "); + printf(" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " " + ); + } + printf ("\n"); + return; +} + +int flash_real_protect (flash_info_t *info, long sector, int prot) +{ + at91_eefc_t *eefc = (at91_eefc_t *) 0xfffffa00; + u32 pagenum = (info->start[sector]-AT91SAM9XE_FLASH_BASE)/pagesize; + u32 i, tmp=0; + + debug("protect sector=%ld prot=%d\n", sector, prot); + +#if defined(CONFIG_EFLASH_PROTSECTORS) + if (sector < CONFIG_EFLASH_PROTSECTORS) { + if (!prot) { + printf("eflash: sector %lu cannot be unprotected\n", + sector); + } + return 1; /* return anyway, caller does not care for result */ + } +#endif + if (prot) { + writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_SLB | + (pagenum << AT91_EEFC_FCR_FARG_SHIFT), &eefc->fcr); + } else { + writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_CLB | + (pagenum << AT91_EEFC_FCR_FARG_SHIFT), &eefc->fcr); + } + while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) + ; + /* now re-read the protection information for all regions */ + writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_GLB, &eefc->fcr); + while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) + ; + for (i=0; isector_count; i++) { + if (i%32 == 0) + tmp = readl(&eefc->frr); + info->protect[i] = (tmp >> (i%32)) & 1; + } + return 0; +} + +static u32 erase_write_page (u32 pagenum) +{ + at91_eefc_t *eefc = (at91_eefc_t *) 0xfffffa00; + + debug("erase+write page=%u\n", pagenum); + + /* give erase and write page command */ + writel(AT91_EEFC_FCR_KEY | AT91_EEFC_FCR_FCMD_EWP | + (pagenum << AT91_EEFC_FCR_FARG_SHIFT), &eefc->fcr); + while ((readl(&eefc->fsr) & AT91_EEFC_FSR_FRDY) == 0) + ; + /* return status */ + return readl(&eefc->fsr) + & (AT91_EEFC_FSR_FCMDE | AT91_EEFC_FSR_FLOCKE); +} + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + debug("erase first=%d last=%d\n", s_first, s_last); + puts("this flash does not need and support erasing!\n"); + return 0; +} + +/* + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + u32 pagenum; + u32 *src32, *dst32; + u32 i; + + debug("write src=%08lx addr=%08lx cnt=%lx\n", + (ulong)src, addr, cnt); + + /* REQUIRE addr to be on a page start, abort if not */ + if (addr % pagesize) { + printf ("eflash: start %08lx is not on page start\n"\ + " write aborted\n", addr); + return 1; + } + + /* now start copying data */ + pagenum = (addr-AT91SAM9XE_FLASH_BASE)/pagesize; + src32 = (u32 *) src; + dst32 = (u32 *) addr; + while (cnt > 0) { + i = pagesize / 4; + /* fill page buffer */ + while (i--) + *dst32++ = *src32++; + /* write page */ + if (erase_write_page(pagenum)) + return 1; + pagenum++; + if (cnt > pagesize) + cnt -= pagesize; + else + cnt = 0; + } + return 0; +} + diff --git a/arch/arm/include/asm/arch-at91/at91_dbu.h b/arch/arm/include/asm/arch-at91/at91_dbu.h new file mode 100644 index 000000000..342929353 --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91_dbu.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2010 + * Reinhard Meyer, reinhard.meyer@emk-elektronik.de + * + * Debug Unit + * Based on AT91SAM9XE datasheet + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91_DBU_H +#define AT91_DBU_H + +#ifndef __ASSEMBLY__ + +typedef struct at91_dbu { + u32 cr; /* Control Register WO */ + u32 mr; /* Mode Register RW */ + u32 ier; /* Interrupt Enable Register WO */ + u32 idr; /* Interrupt Disable Register WO */ + u32 imr; /* Interrupt Mask Register RO */ + u32 sr; /* Status Register RO */ + u32 rhr; /* Receive Holding Register RO */ + u32 thr; /* Transmit Holding Register WO */ + u32 brgr; /* Baud Rate Generator Register RW */ + u32 res1[7];/* 0x0024 - 0x003C Reserved */ + u32 cidr; /* Chip ID Register RO */ + u32 exid; /* Chip ID Extension Register RO */ + u32 fnr; /* Force NTRST Register RW */ +} at91_dbu_t; + +#endif /* __ASSEMBLY__ */ + +#define AT91_DBU_CID_ARCH_MASK 0x0ff00000 +#define AT91_DBU_CID_ARCH_9xx 0x01900000 +#define AT91_DBU_CID_ARCH_9XExx 0x02900000 + +#endif diff --git a/arch/arm/include/asm/arch-at91/at91_eefc.h b/arch/arm/include/asm/arch-at91/at91_eefc.h new file mode 100644 index 000000000..d45b3deca --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91_eefc.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2010 + * Reinhard Meyer, reinhard.meyer@emk-elektronik.de + * + * Enhanced Embedded Flash Controller + * Based on AT91SAM9XE datasheet + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91_EEFC_H +#define AT91_EEFC_H + +#ifndef __ASSEMBLY__ + +typedef struct at91_eefc { + u32 fmr; /* Flash Mode Register RW */ + u32 fcr; /* Flash Command Register WO */ + u32 fsr; /* Flash Status Register RO */ + u32 frr; /* Flash Result Register RO */ +} at91_eefc_t; + +#endif /* __ASSEMBLY__ */ + +#define AT91_EEFC_FMR_FWS_MASK 0x00000f00 +#define AT91_EEFC_FMR_FRDY_BIT 0x00000001 + +#define AT91_EEFC_FCR_KEY 0x5a000000 +#define AT91_EEFC_FCR_FARG_MASK 0x00ffff00 +#define AT91_EEFC_FCR_FARG_SHIFT 8 +#define AT91_EEFC_FCR_FCMD_GETD 0x0 +#define AT91_EEFC_FCR_FCMD_WP 0x1 +#define AT91_EEFC_FCR_FCMD_WPL 0x2 +#define AT91_EEFC_FCR_FCMD_EWP 0x3 +#define AT91_EEFC_FCR_FCMD_EWPL 0x4 +#define AT91_EEFC_FCR_FCMD_EA 0x5 +#define AT91_EEFC_FCR_FCMD_SLB 0x8 +#define AT91_EEFC_FCR_FCMD_CLB 0x9 +#define AT91_EEFC_FCR_FCMD_GLB 0xA +#define AT91_EEFC_FCR_FCMD_SGPB 0xB +#define AT91_EEFC_FCR_FCMD_CGPB 0xC +#define AT91_EEFC_FCR_FCMD_GGPB 0xD + +#define AT91_EEFC_FSR_FRDY 1 +#define AT91_EEFC_FSR_FCMDE 2 +#define AT91_EEFC_FSR_FLOCKE 4 + +#endif -- cgit v1.2.3-70-g09d2 From 93dfcbe3c89f985ccf7e951506208f5ade21cb78 Mon Sep 17 00:00:00 2001 From: Reinhard Meyer Date: Tue, 24 Aug 2010 11:18:09 +0200 Subject: AT91: fix at91sam9260.h for AT91SAM9XE Define the different location of the GPBRs for the 9XE Define the proper CPU Name Signed-off-by: Reinhard Meyer --- arch/arm/include/asm/arch-at91/at91sam9260.h | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-at91/at91sam9260.h b/arch/arm/include/asm/arch-at91/at91sam9260.h index ec0431803..cb34a94a3 100644 --- a/arch/arm/include/asm/arch-at91/at91sam9260.h +++ b/arch/arm/include/asm/arch-at91/at91sam9260.h @@ -59,7 +59,15 @@ #define AT91_RTT_BASE 0xfffffd20 #define AT91_PIT_BASE 0xfffffd30 #define AT91_WDT_BASE 0xfffffd40 -#define AT91_GPR_BASE 0xfffffd50 +/* + * The AT91SAM9XE has the GPBRs at a different address than + * the AT91SAM9260/9G20. + */ +#ifdef CONFIG_AT91SAM9XE +# define AT91_GPR_BASE 0xfffffd60 +#else +# define AT91_GPR_BASE 0xfffffd50 +#endif #ifdef CONFIG_AT91_LEGACY @@ -140,10 +148,12 @@ /* * Cpu Name */ -#if defined(CONFIG_AT91SAM9260) -#define CONFIG_SYS_AT91_CPU_NAME "AT91SAM9260" +#if defined(CONFIG_AT91SAM9XE) +# define CONFIG_SYS_AT91_CPU_NAME "AT91SAM9XE" +#elif defined(CONFIG_AT91SAM9260) +# define CONFIG_SYS_AT91_CPU_NAME "AT91SAM9260" #elif defined(CONFIG_AT91SAM9G20) -#define CONFIG_SYS_AT91_CPU_NAME "AT91SAM9G20" +# define CONFIG_SYS_AT91_CPU_NAME "AT91SAM9G20" #endif #endif -- cgit v1.2.3-70-g09d2 From 5c3dab97c751e43103813472283305cbfe70d3f0 Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Wed, 4 Aug 2010 11:24:53 +0200 Subject: at91_pit: Fix AT91_PIT_MR_PIV_MASK macro Signed-off-by: Alexander Stein --- arch/arm/include/asm/arch-at91/at91_pit.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-at91/at91_pit.h b/arch/arm/include/asm/arch-at91/at91_pit.h index 5615a0206..61aca7941 100644 --- a/arch/arm/include/asm/arch-at91/at91_pit.h +++ b/arch/arm/include/asm/arch-at91/at91_pit.h @@ -25,7 +25,7 @@ typedef struct at91_pit { #define AT91_PIT_MR_IEN 0x02000000 #define AT91_PIT_MR_EN 0x01000000 -#define AT91_PIT_MR_PIV_MASK (x & 0x000fffff) +#define AT91_PIT_MR_PIV_MASK(x) (x & 0x000fffff) #define AT91_PIT_MR_PIV(x) (x & AT91_PIT_MR_PIV_MASK) #ifdef CONFIG_AT91_LEGACY -- cgit v1.2.3-70-g09d2 From 0e7b62179fa56dc01baccc52ba0bcce8f7e07397 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Wed, 4 Aug 2010 09:39:40 -0700 Subject: ARMV7: OMAP: Move syslib.c to omap-common since it can be shared by OMAP3 and OMAP4 The functions in syslib.c can be shared, so this patch moves it from cpu/omap3 to cpu/omap-common Signed-off-by: Steve Sakoman Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/armv7/omap-common/Makefile | 2 + arch/arm/cpu/armv7/omap-common/syslib.c | 70 ++++++++++++++++++++++++++++ arch/arm/cpu/armv7/omap3/Makefile | 1 - arch/arm/cpu/armv7/omap3/syslib.c | 72 ----------------------------- arch/arm/include/asm/arch-omap4/sys_proto.h | 3 ++ 5 files changed, 75 insertions(+), 73 deletions(-) create mode 100644 arch/arm/cpu/armv7/omap-common/syslib.c delete mode 100644 arch/arm/cpu/armv7/omap3/syslib.c (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile index 3a4a304e4..caee7263b 100644 --- a/arch/arm/cpu/armv7/omap-common/Makefile +++ b/arch/arm/cpu/armv7/omap-common/Makefile @@ -26,7 +26,9 @@ include $(TOPDIR)/config.mk LIB = $(obj)libomap-common.a SOBJS := reset.o + COBJS := timer.o +COBJS += syslib.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/arch/arm/cpu/armv7/omap-common/syslib.c b/arch/arm/cpu/armv7/omap-common/syslib.c new file mode 100644 index 000000000..f9ed9a307 --- /dev/null +++ b/arch/arm/cpu/armv7/omap-common/syslib.c @@ -0,0 +1,70 @@ +/* + * (C) Copyright 2008 + * Texas Instruments, + * + * Richard Woodruff + * Syed Mohammed Khasim + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include + +/************************************************************ + * sdelay() - simple spin loop. Will be constant time as + * its generally used in bypass conditions only. This + * is necessary until timers are accessible. + * + * not inline to increase chances its in cache when called + *************************************************************/ +void sdelay(unsigned long loops) +{ + __asm__ volatile ("1:\n" "subs %0, %1, #1\n" + "bne 1b":"=r" (loops):"0"(loops)); +} + +/***************************************************************** + * sr32 - clear & set a value in a bit range for a 32 bit address + *****************************************************************/ +void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) +{ + u32 tmp, msk = 0; + msk = 1 << num_bits; + --msk; + tmp = readl((u32)addr) & ~(msk << start_bit); + tmp |= value << start_bit; + writel(tmp, (u32)addr); +} + +/********************************************************************* + * wait_on_value() - common routine to allow waiting for changes in + * volatile regs. + *********************************************************************/ +u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr, + u32 bound) +{ + u32 i = 0, val; + do { + ++i; + val = readl((u32)read_addr) & read_bit_mask; + if (val == match_value) + return 1; + if (i == bound) + return 0; + } while (1); +} diff --git a/arch/arm/cpu/armv7/omap3/Makefile b/arch/arm/cpu/armv7/omap3/Makefile index 79ae26706..95526d689 100644 --- a/arch/arm/cpu/armv7/omap3/Makefile +++ b/arch/arm/cpu/armv7/omap3/Makefile @@ -32,7 +32,6 @@ COBJS += board.o COBJS += clock.o COBJS += gpio.o COBJS += mem.o -COBJS += syslib.o COBJS += sys_info.o COBJS-$(CONFIG_EMIF4) += emif4.o diff --git a/arch/arm/cpu/armv7/omap3/syslib.c b/arch/arm/cpu/armv7/omap3/syslib.c deleted file mode 100644 index 9ced495c8..000000000 --- a/arch/arm/cpu/armv7/omap3/syslib.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, - * - * Richard Woodruff - * Syed Mohammed Khasim - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include - -/************************************************************ - * sdelay() - simple spin loop. Will be constant time as - * its generally used in bypass conditions only. This - * is necessary until timers are accessible. - * - * not inline to increase chances its in cache when called - *************************************************************/ -void sdelay(unsigned long loops) -{ - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0"(loops)); -} - -/***************************************************************** - * sr32 - clear & set a value in a bit range for a 32 bit address - *****************************************************************/ -void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) -{ - u32 tmp, msk = 0; - msk = 1 << num_bits; - --msk; - tmp = readl((u32)addr) & ~(msk << start_bit); - tmp |= value << start_bit; - writel(tmp, (u32)addr); -} - -/********************************************************************* - * wait_on_value() - common routine to allow waiting for changes in - * volatile regs. - *********************************************************************/ -u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr, - u32 bound) -{ - u32 i = 0, val; - do { - ++i; - val = readl((u32)read_addr) & read_bit_mask; - if (val == match_value) - return 1; - if (i == bound) - return 0; - } while (1); -} diff --git a/arch/arm/include/asm/arch-omap4/sys_proto.h b/arch/arm/include/asm/arch-omap4/sys_proto.h index ad0c640df..4813e9e21 100644 --- a/arch/arm/include/asm/arch-omap4/sys_proto.h +++ b/arch/arm/include/asm/arch-omap4/sys_proto.h @@ -33,6 +33,9 @@ void watchdog_init(void); u32 get_device_type(void); void invalidate_dcache(u32); void set_muxconf_regs(void); +void sr32(void *, u32, u32, u32); +u32 wait_on_value(u32, u32, void *, u32); +void sdelay(unsigned long); extern const struct omap_sysinfo sysinfo; -- cgit v1.2.3-70-g09d2 From b2b9169f0bc860ac34d7828df8730744394d8f6e Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Tue, 17 Aug 2010 14:39:34 -0700 Subject: ARMV7: OMAP3: Update CPU type detection for AM35XX/OMAP36XX/37XX TI has added new processors to the OMAP3 family. This patch enhances the code in sysinfo.c to detect which family member is present. Signed-off-by: Steve Sakoman Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/armv7/omap3/sys_info.c | 147 +++++++++++++++++++++++----- arch/arm/include/asm/arch-omap3/cpu.h | 14 +-- arch/arm/include/asm/arch-omap3/omap3.h | 32 +++++- arch/arm/include/asm/arch-omap3/sys_proto.h | 2 + 4 files changed, 161 insertions(+), 34 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/armv7/omap3/sys_info.c b/arch/arm/cpu/armv7/omap3/sys_info.c index 1df4401d4..549ac1918 100644 --- a/arch/arm/cpu/armv7/omap3/sys_info.c +++ b/arch/arm/cpu/armv7/omap3/sys_info.c @@ -38,7 +38,10 @@ static char *rev_s[CPU_3XX_MAX_REV] = { "2.0", "2.1", "3.0", - "3.1"}; + "3.1", + "UNKNOWN", + "UNKNOWN", + "3.1.2"}; /***************************************************************** * dieid_num_r(void) - read and set die ID @@ -75,32 +78,81 @@ u32 get_cpu_type(void) } /****************************************** - * get_cpu_rev(void) - extract version info + * get_cpu_id(void) - extract cpu id + * returns 0 for ES1.0, cpuid otherwise ******************************************/ -u32 get_cpu_rev(void) +u32 get_cpu_id(void) { - u32 cpuid = 0; struct ctrl_id *id_base; + u32 cpuid = 0; /* * On ES1.0 the IDCODE register is not exposed on L4 * so using CPU ID to differentiate between ES1.0 and > ES1.0. */ __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid)); - if ((cpuid & 0xf) == 0x0) - return CPU_3XX_ES10; - else { + if ((cpuid & 0xf) == 0x0) { + return 0; + } else { /* Decode the IDs on > ES1.0 */ id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE; - cpuid = (readl(&id_base->idcode) >> CPU_3XX_ID_SHIFT) & 0xf; + cpuid = readl(&id_base->idcode); + } - /* Some early ES2.0 seem to report ID 0, fix this */ - if(cpuid == 0) - cpuid = CPU_3XX_ES20; + return cpuid; +} - return cpuid; +/****************************************** + * get_cpu_family(void) - extract cpu info + ******************************************/ +u32 get_cpu_family(void) +{ + u16 hawkeye; + u32 cpu_family; + u32 cpuid = get_cpu_id(); + + if (cpuid == 0) + return CPU_OMAP34XX; + + hawkeye = (cpuid >> HAWKEYE_SHIFT) & 0xffff; + switch (hawkeye) { + case HAWKEYE_OMAP34XX: + cpu_family = CPU_OMAP34XX; + break; + case HAWKEYE_AM35XX: + cpu_family = CPU_AM35XX; + break; + case HAWKEYE_OMAP36XX: + cpu_family = CPU_OMAP36XX; + break; + default: + cpu_family = CPU_OMAP34XX; } + + return cpu_family; +} + +/****************************************** + * get_cpu_rev(void) - extract version info + ******************************************/ +u32 get_cpu_rev(void) +{ + u32 cpuid = get_cpu_id(); + + if (cpuid == 0) + return CPU_3XX_ES10; + else + return (cpuid >> CPU_3XX_ID_SHIFT) & 0xf; +} + +/***************************************************************** + * get_sku_id(void) - read sku_id to get info on max clock rate + *****************************************************************/ +u32 get_sku_id(void) +{ + struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE; + return readl(&id_base->sku_id) & SKUID_CLK_MASK; } /*************************************************************************** @@ -213,24 +265,66 @@ u32 get_device_type(void) */ int print_cpuinfo (void) { - char *cpu_s, *sec_s; + char *cpu_family_s, *cpu_s, *sec_s, *max_clk; + + switch (get_cpu_family()) { + case CPU_OMAP34XX: + cpu_family_s = "OMAP"; + switch (get_cpu_type()) { + case OMAP3503: + cpu_s = "3503"; + break; + case OMAP3515: + cpu_s = "3515"; + break; + case OMAP3525: + cpu_s = "3525"; + break; + case OMAP3530: + cpu_s = "3530"; + break; + default: + cpu_s = "35XX"; + break; + } + if ((get_cpu_rev() >= CPU_3XX_ES31) && + (get_sku_id() == SKUID_CLK_720MHZ)) + max_clk = "720 mHz"; + else + max_clk = "600 mHz"; - switch (get_cpu_type()) { - case OMAP3503: - cpu_s = "3503"; break; - case OMAP3515: - cpu_s = "3515"; + case CPU_AM35XX: + cpu_family_s = "AM"; + switch (get_cpu_type()) { + case AM3505: + cpu_s = "3505"; + break; + case AM3517: + cpu_s = "3517"; + break; + default: + cpu_s = "35XX"; + break; + } + max_clk = "600 Mhz"; break; - case OMAP3525: - cpu_s = "3525"; - break; - case OMAP3530: - cpu_s = "3530"; + case CPU_OMAP36XX: + cpu_family_s = "OMAP"; + switch (get_cpu_type()) { + case OMAP3730: + cpu_s = "3630/3730"; + break; + default: + cpu_s = "36XX/37XX"; + break; + } + max_clk = "1 Ghz"; break; default: + cpu_family_s = "OMAP"; cpu_s = "35XX"; - break; + max_clk = "600 Mhz"; } switch (get_device_type()) { @@ -250,8 +344,9 @@ int print_cpuinfo (void) sec_s = "?"; } - printf("OMAP%s-%s ES%s, CPU-OPP2 L3-165MHz\n", - cpu_s, sec_s, rev_s[get_cpu_rev()]); + printf("%s%s-%s ES%s, CPU-OPP2, L3-165MHz, Max CPU Clock %s\n", + cpu_family_s, cpu_s, sec_s, + rev_s[get_cpu_rev()], max_clk); return 0; } diff --git a/arch/arm/include/asm/arch-omap3/cpu.h b/arch/arm/include/asm/arch-omap3/cpu.h index 390b00794..99da756bc 100644 --- a/arch/arm/include/asm/arch-omap3/cpu.h +++ b/arch/arm/include/asm/arch-omap3/cpu.h @@ -60,19 +60,14 @@ struct ctrl { #endif /* __ASSEMBLY__ */ #endif /* __KERNEL_STRICT_NAMES */ -/* cpu type */ -#define OMAP3503 0x5c00 -#define OMAP3515 0x1c00 -#define OMAP3525 0x4c00 -#define OMAP3530 0x0c00 - #ifndef __KERNEL_STRICT_NAMES #ifndef __ASSEMBLY__ struct ctrl_id { u8 res1[0x4]; u32 idcode; /* 0x04 */ u32 prod_id; /* 0x08 */ - u8 res2[0x0C]; + u32 sku_id; /* 0x0c */ + u8 res2[0x08]; u32 die_id_0; /* 0x18 */ u32 die_id_1; /* 0x1C */ u32 die_id_2; /* 0x20 */ @@ -89,6 +84,11 @@ struct ctrl_id { #define HS_DEVICE 0x2 #define GP_DEVICE 0x3 +/* device speed */ +#define SKUID_CLK_MASK 0xf +#define SKUID_CLK_600MHZ 0x0 +#define SKUID_CLK_720MHZ 0x8 + #define GPMC_BASE (OMAP34XX_GPMC_BASE) #define GPMC_CONFIG_CS0 0x60 #define GPMC_CONFIG_CS0_BASE (GPMC_BASE + GPMC_CONFIG_CS0) diff --git a/arch/arm/include/asm/arch-omap3/omap3.h b/arch/arm/include/asm/arch-omap3/omap3.h index 12815f694..3957c796f 100644 --- a/arch/arm/include/asm/arch-omap3/omap3.h +++ b/arch/arm/include/asm/arch-omap3/omap3.h @@ -176,11 +176,41 @@ struct gpio { #define CPU_3XX_ES21 2 #define CPU_3XX_ES30 3 #define CPU_3XX_ES31 4 -#define CPU_3XX_MAX_REV (CPU_3XX_ES31 + 1) +#define CPU_3XX_ES312 7 +#define CPU_3XX_MAX_REV 8 #define CPU_3XX_ID_SHIFT 28 #define WIDTH_8BIT 0x0000 #define WIDTH_16BIT 0x1000 /* bit pos for 16 bit in gpmc */ +/* + * Hawkeye values + */ +#define HAWKEYE_OMAP34XX 0xb7ae +#define HAWKEYE_AM35XX 0xb868 +#define HAWKEYE_OMAP36XX 0xb891 + +#define HAWKEYE_SHIFT 12 + +/* + * Define CPU families + */ +#define CPU_OMAP34XX 0x3400 /* OMAP34xx/OMAP35 devices */ +#define CPU_AM35XX 0x3500 /* AM35xx devices */ +#define CPU_OMAP36XX 0x3600 /* OMAP36xx devices */ + +/* + * Control status register values corresponding to cpu variants + */ +#define OMAP3503 0x5c00 +#define OMAP3515 0x1c00 +#define OMAP3525 0x4c00 +#define OMAP3530 0x0c00 + +#define AM3505 0x5c00 +#define AM3517 0x1c00 + +#define OMAP3730 0x0c00 + #endif diff --git a/arch/arm/include/asm/arch-omap3/sys_proto.h b/arch/arm/include/asm/arch-omap3/sys_proto.h index db7b42aed..4a28ba1c4 100644 --- a/arch/arm/include/asm/arch-omap3/sys_proto.h +++ b/arch/arm/include/asm/arch-omap3/sys_proto.h @@ -41,7 +41,9 @@ void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base, void watchdog_init(void); void set_muxconf_regs(void); +u32 get_cpu_family(void); u32 get_cpu_rev(void); +u32 get_sku_id(void); u32 get_mem_type(void); u32 get_sysboot_value(void); u32 is_gpmc_muxed(void); -- cgit v1.2.3-70-g09d2 From 7c281c985c33318d0795e43909e0d26f870f98ed Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Wed, 18 Aug 2010 07:34:09 -0700 Subject: ARMV7: OMAP3: Add clock setup for OMAP36XX/37XX This patch configures clocks properly when a 36XX/37XX processor is detected. Signed-off-by: Steve Sakoman Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/armv7/omap3/clock.c | 549 ++++++++++++++++++------- arch/arm/cpu/armv7/omap3/lowlevel_init.S | 69 ++++ arch/arm/include/asm/arch-omap3/clocks.h | 17 + arch/arm/include/asm/arch-omap3/clocks_omap3.h | 27 ++ 4 files changed, 515 insertions(+), 147 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index 6330c9e5d..2238c52e3 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -50,12 +50,7 @@ u32 get_osc_clk_speed(void) if (val & SYSCLKDIV_2) cdiv = 2; - else if (val & SYSCLKDIV_1) - cdiv = 1; else - /* - * Should never reach here! (Assume divider as 1) - */ cdiv = 1; /* enable timer2 */ @@ -89,11 +84,7 @@ u32 get_osc_clk_speed(void) while (readl(&s32k_base->s32k_cr) < (start + 20)) ; cend = readl(&gpt1_base->tcrr); /* get end sys_clk count */ cdiff = cend - cstart; /* get elapsed ticks */ - - if (cdiv == 2) - { - cdiff *= 2; - } + cdiff *= cdiv; /* based on number of ticks assign speed */ if (cdiff > 19000) @@ -135,65 +126,22 @@ void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel) } } -/****************************************************************************** - * prcm_init() - inits clocks for PRCM as defined in clocks.h - * called from SRAM, or Flash (using temp SRAM stack). - *****************************************************************************/ -void prcm_init(void) +/* + * OMAP34XX/35XX specific functions + */ + +static void dpll3_init_34xx(u32 sil_index, u32 clk_index) { + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *) get_core_dpll_param(); void (*f_lock_pll) (u32, u32, u32, u32); int xip_safe, p0, p1, p2, p3; - u32 osc_clk = 0, sys_clkin_sel; - u32 clk_index, sil_index = 0; - struct prm *prm_base = (struct prm *)PRM_BASE; - struct prcm *prcm_base = (struct prcm *)PRCM_BASE; - dpll_param *dpll_param_p; - - f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start + - SRAM_VECT_CODE); xip_safe = is_running_in_sram(); - /* - * Gauge the input clock speed and find out the sys_clkin_sel - * value corresponding to the input clock. - */ - osc_clk = get_osc_clk_speed(); - get_sys_clkin_sel(osc_clk, &sys_clkin_sel); - - /* set input crystal speed */ - sr32(&prm_base->clksel, 0, 3, sys_clkin_sel); + /* Moving to the right sysclk and ES rev base */ + ptr = ptr + (3 * clk_index) + sil_index; - /* If the input clock is greater than 19.2M always divide/2 */ - if (sys_clkin_sel > 2) { - /* input clock divider */ - sr32(&prm_base->clksrc_ctrl, 6, 2, 2); - clk_index = sys_clkin_sel / 2; - } else { - /* input clock divider */ - sr32(&prm_base->clksrc_ctrl, 6, 2, 1); - clk_index = sys_clkin_sel; - } - - /* - * The DPLL tables are defined according to sysclk value and - * silicon revision. The clk_index value will be used to get - * the values for that input sysclk from the DPLL param table - * and sil_index will get the values for that SysClk for the - * appropriate silicon rev. - */ - if (get_cpu_rev()) - sil_index = 1; - - /* Unlock MPU DPLL (slows things down, and needed later) */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS); - wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY); - - /* Getting the base address of Core DPLL param table */ - dpll_param_p = (dpll_param *) get_core_dpll_param(); - - /* Moving it to the right sysclk and ES rev base */ - dpll_param_p = dpll_param_p + 3 * clk_index + sil_index; if (xip_safe) { /* * CORE DPLL @@ -208,34 +156,38 @@ void prcm_init(void) * work. write another value and then default value. */ - /* m3x2 */ - sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2 + 1); - /* m3x2 */ + /* CM_CLKSEL1_EMU[DIV_DPLL3] */ + sr32(&prcm_base->clksel1_emu, 16, 5, (CORE_M3X2 + 1)) ; sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2); - /* Set M2 */ - sr32(&prcm_base->clksel1_pll, 27, 2, dpll_param_p->m2); - /* Set M */ - sr32(&prcm_base->clksel1_pll, 16, 11, dpll_param_p->m); - /* Set N */ - sr32(&prcm_base->clksel1_pll, 8, 7, dpll_param_p->n); - /* 96M Src */ + + /* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ + sr32(&prcm_base->clksel1_pll, 27, 5, ptr->m2); + + /* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ + sr32(&prcm_base->clksel1_pll, 16, 11, ptr->m); + + /* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ + sr32(&prcm_base->clksel1_pll, 8, 7, ptr->n); + + /* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ sr32(&prcm_base->clksel1_pll, 6, 1, 0); - /* ssi */ + + /* SSI */ sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV); - /* fsusb */ + /* FSUSB */ sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV); - /* l4 */ + /* L4 */ sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV); - /* l3 */ + /* L3 */ sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV); - /* gfx */ - sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV); - /* reset mgr */ + /* GFX */ + sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV); + /* RESET MGR */ sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM); - /* FREQSEL */ - sr32(&prcm_base->clken_pll, 4, 4, dpll_param_p->fsel); - /* lock mode */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK); + /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ + sr32(&prcm_base->clken_pll, 4, 4, ptr->fsel); + /* LOCK MODE */ + sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK); wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen, LDELAY); @@ -244,102 +196,405 @@ void prcm_init(void) * if running from flash, jump to small relocated code * area in SRAM. */ + f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start + + SRAM_VECT_CODE); + p0 = readl(&prcm_base->clken_pll); sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); - sr32(&p0, 4, 4, dpll_param_p->fsel); /* FREQSEL */ + /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ + sr32(&p0, 4, 4, ptr->fsel); p1 = readl(&prcm_base->clksel1_pll); - sr32(&p1, 27, 2, dpll_param_p->m2); /* Set M2 */ - sr32(&p1, 16, 11, dpll_param_p->m); /* Set M */ - sr32(&p1, 8, 7, dpll_param_p->n); /* Set N */ - sr32(&p1, 6, 1, 0); /* set source for 96M */ + /* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ + sr32(&p1, 27, 5, ptr->m2); + /* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ + sr32(&p1, 16, 11, ptr->m); + /* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ + sr32(&p1, 8, 7, ptr->n); + /* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ + sr32(&p1, 6, 1, 0); p2 = readl(&prcm_base->clksel_core); - sr32(&p2, 8, 4, CORE_SSI_DIV); /* ssi */ - sr32(&p2, 4, 2, CORE_FUSB_DIV); /* fsusb */ - sr32(&p2, 2, 2, CORE_L4_DIV); /* l4 */ - sr32(&p2, 0, 2, CORE_L3_DIV); /* l3 */ + /* SSI */ + sr32(&p2, 8, 4, CORE_SSI_DIV); + /* FSUSB */ + sr32(&p2, 4, 2, CORE_FUSB_DIV); + /* L4 */ + sr32(&p2, 2, 2, CORE_L4_DIV); + /* L3 */ + sr32(&p2, 0, 2, CORE_L3_DIV); p3 = (u32)&prcm_base->idlest_ckgen; (*f_lock_pll) (p0, p1, p2, p3); } +} - /* PER DPLL */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP); - wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY); - - /* Getting the base address to PER DPLL param table */ - - /* Set N */ - dpll_param_p = (dpll_param *) get_per_dpll_param(); +static void dpll4_init_34xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *) get_per_dpll_param(); /* Moving it to the right sysclk base */ - dpll_param_p = dpll_param_p + clk_index; + ptr = ptr + clk_index; + + /* EN_PERIPH_DPLL: CM_CLKEN_PLL[16:18] */ + sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP); + wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY); /* * Errata 1.50 Workaround for OMAP3 ES1.0 only * If using default divisors, write default divisor + 1 * and then the actual divisor value */ - sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2 + 1); /* set M6 */ - sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); /* set M6 */ - sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2 + 1); /* set M5 */ - sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); /* set M5 */ - sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2 + 1); /* set M4 */ - sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); /* set M4 */ - sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2 + 1); /* set M3 */ - sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); /* set M3 */ - sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2 + 1); /* set M2 */ - sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2); /* set M2 */ + /* M6 */ + sr32(&prcm_base->clksel1_emu, 24, 5, (PER_M6X2 + 1)); + sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); + /* M5 */ + sr32(&prcm_base->clksel_cam, 0, 5, (PER_M5X2 + 1)); + sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); + /* M4 */ + sr32(&prcm_base->clksel_dss, 0, 5, (PER_M4X2 + 1)); + sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); + /* M3 */ + sr32(&prcm_base->clksel_dss, 8, 5, (PER_M3X2 + 1)); + sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); + /* M2 (DIV_96M): CM_CLKSEL3_PLL[0:4] */ + sr32(&prcm_base->clksel3_pll, 0, 5, (ptr->m2 + 1)); + sr32(&prcm_base->clksel3_pll, 0, 5, ptr->m2); /* Workaround end */ - sr32(&prcm_base->clksel2_pll, 8, 11, dpll_param_p->m); /* set m */ - sr32(&prcm_base->clksel2_pll, 0, 7, dpll_param_p->n); /* set n */ - sr32(&prcm_base->clken_pll, 20, 4, dpll_param_p->fsel); /* FREQSEL */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); /* lock mode */ + /* M (PERIPH_DPLL_MULT): CM_CLKSEL2_PLL[8:18] */ + sr32(&prcm_base->clksel2_pll, 8, 11, ptr->m); + + /* N (PERIPH_DPLL_DIV): CM_CLKSEL2_PLL[0:6] */ + sr32(&prcm_base->clksel2_pll, 0, 7, ptr->n); + + /* FREQSEL (PERIPH_DPLL_FREQSEL): CM_CLKEN_PLL[20:23] */ + sr32(&prcm_base->clken_pll, 20, 4, ptr->fsel); + + /* LOCK MODE (EN_PERIPH_DPLL): CM_CLKEN_PLL[16:18] */ + sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); +} - /* Getting the base address to MPU DPLL param table */ - dpll_param_p = (dpll_param *) get_mpu_dpll_param(); +static void mpu_init_34xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *) get_mpu_dpll_param(); - /* Moving it to the right sysclk and ES rev base */ - dpll_param_p = dpll_param_p + 3 * clk_index + sil_index; + /* Moving to the right sysclk and ES rev base */ + ptr = ptr + (3 * clk_index) + sil_index; /* MPU DPLL (unlocked already) */ - /* Set M2 */ - sr32(&prcm_base->clksel2_pll_mpu, 0, 5, dpll_param_p->m2); - /* Set M */ - sr32(&prcm_base->clksel1_pll_mpu, 8, 11, dpll_param_p->m); - /* Set N */ - sr32(&prcm_base->clksel1_pll_mpu, 0, 7, dpll_param_p->n); - /* FREQSEL */ - sr32(&prcm_base->clken_pll_mpu, 4, 4, dpll_param_p->fsel); - /* lock mode */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK); - wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY); - - /* Getting the base address to IVA DPLL param table */ - dpll_param_p = (dpll_param *) get_iva_dpll_param(); - - /* Moving it to the right sysclk and ES rev base */ - dpll_param_p = dpll_param_p + 3 * clk_index + sil_index; - - /* IVA DPLL (set to 12*20=240MHz) */ + /* M2 (MPU_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_MPU[0:4] */ + sr32(&prcm_base->clksel2_pll_mpu, 0, 5, ptr->m2); + + /* M (MPU_DPLL_MULT) : CM_CLKSEL2_PLL_MPU[8:18] */ + sr32(&prcm_base->clksel1_pll_mpu, 8, 11, ptr->m); + + /* N (MPU_DPLL_DIV) : CM_CLKSEL2_PLL_MPU[0:6] */ + sr32(&prcm_base->clksel1_pll_mpu, 0, 7, ptr->n); + + /* FREQSEL (MPU_DPLL_FREQSEL) : CM_CLKEN_PLL_MPU[4:7] */ + sr32(&prcm_base->clken_pll_mpu, 4, 4, ptr->fsel); +} + +static void iva_init_34xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *) get_iva_dpll_param(); + + /* Moving to the right sysclk and ES rev base */ + ptr = ptr + (3 * clk_index) + sil_index; + + /* IVA DPLL */ + /* EN_IVA2_DPLL : CM_CLKEN_PLL_IVA2[0:2] */ + sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP); + wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY); + + /* M2 (IVA2_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_IVA2[0:4] */ + sr32(&prcm_base->clksel2_pll_iva2, 0, 5, ptr->m2); + + /* M (IVA2_DPLL_MULT) : CM_CLKSEL1_PLL_IVA2[8:18] */ + sr32(&prcm_base->clksel1_pll_iva2, 8, 11, ptr->m); + + /* N (IVA2_DPLL_DIV) : CM_CLKSEL1_PLL_IVA2[0:6] */ + sr32(&prcm_base->clksel1_pll_iva2, 0, 7, ptr->n); + + /* FREQSEL (IVA2_DPLL_FREQSEL) : CM_CLKEN_PLL_IVA2[4:7] */ + sr32(&prcm_base->clken_pll_iva2, 4, 4, ptr->fsel); + + /* LOCK MODE (EN_IVA2_DPLL) : CM_CLKEN_PLL_IVA2[0:2] */ + sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK); + + wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY); +} + +/* + * OMAP3630 specific functions + */ + +static void dpll3_init_36xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *) get_36x_core_dpll_param(); + void (*f_lock_pll) (u32, u32, u32, u32); + int xip_safe, p0, p1, p2, p3; + + xip_safe = is_running_in_sram(); + + /* Moving it to the right sysclk base */ + ptr += clk_index; + + if (xip_safe) { + /* CORE DPLL */ + + /* Select relock bypass: CM_CLKEN_PLL[0:2] */ + sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS); + wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen, + LDELAY); + + /* CM_CLKSEL1_EMU[DIV_DPLL3] */ + sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2); + + /* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ + sr32(&prcm_base->clksel1_pll, 27, 5, ptr->m2); + + /* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ + sr32(&prcm_base->clksel1_pll, 16, 11, ptr->m); + + /* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ + sr32(&prcm_base->clksel1_pll, 8, 7, ptr->n); + + /* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ + sr32(&prcm_base->clksel1_pll, 6, 1, 0); + + /* SSI */ + sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV); + /* FSUSB */ + sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV); + /* L4 */ + sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV); + /* L3 */ + sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV); + /* GFX */ + sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV); + /* RESET MGR */ + sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM); + /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ + sr32(&prcm_base->clken_pll, 4, 4, ptr->fsel); + /* LOCK MODE */ + sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK); + + wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen, + LDELAY); + } else if (is_running_in_flash()) { + /* + * if running from flash, jump to small relocated code + * area in SRAM. + */ + f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start + + SRAM_VECT_CODE); + + p0 = readl(&prcm_base->clken_pll); + sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); + /* FREQSEL (CORE_DPLL_FREQSEL): CM_CLKEN_PLL[4:7] */ + sr32(&p0, 4, 4, ptr->fsel); + + p1 = readl(&prcm_base->clksel1_pll); + /* M2 (CORE_DPLL_CLKOUT_DIV): CM_CLKSEL1_PLL[27:31] */ + sr32(&p1, 27, 5, ptr->m2); + /* M (CORE_DPLL_MULT): CM_CLKSEL1_PLL[16:26] */ + sr32(&p1, 16, 11, ptr->m); + /* N (CORE_DPLL_DIV): CM_CLKSEL1_PLL[8:14] */ + sr32(&p1, 8, 7, ptr->n); + /* Source is the CM_96M_FCLK: CM_CLKSEL1_PLL[6] */ + sr32(&p1, 6, 1, 0); + + p2 = readl(&prcm_base->clksel_core); + /* SSI */ + sr32(&p2, 8, 4, CORE_SSI_DIV); + /* FSUSB */ + sr32(&p2, 4, 2, CORE_FUSB_DIV); + /* L4 */ + sr32(&p2, 2, 2, CORE_L4_DIV); + /* L3 */ + sr32(&p2, 0, 2, CORE_L3_DIV); + + p3 = (u32)&prcm_base->idlest_ckgen; + + (*f_lock_pll) (p0, p1, p2, p3); + } +} + +static void dpll4_init_36xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + struct dpll_per_36x_param *ptr; + + ptr = (struct dpll_per_36x_param *)get_36x_per_dpll_param(); + + /* Moving it to the right sysclk base */ + ptr += clk_index; + + /* EN_PERIPH_DPLL: CM_CLKEN_PLL[16:18] */ + sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP); + wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY); + + /* M6 (DIV_DPLL4): CM_CLKSEL1_EMU[24:29] */ + sr32(&prcm_base->clksel1_emu, 24, 6, ptr->m6); + + /* M5 (CLKSEL_CAM): CM_CLKSEL1_EMU[0:5] */ + sr32(&prcm_base->clksel_cam, 0, 6, ptr->m5); + + /* M4 (CLKSEL_DSS1): CM_CLKSEL_DSS[0:5] */ + sr32(&prcm_base->clksel_dss, 0, 6, ptr->m4); + + /* M3 (CLKSEL_DSS1): CM_CLKSEL_DSS[8:13] */ + sr32(&prcm_base->clksel_dss, 8, 6, ptr->m3); + + /* M2 (DIV_96M): CM_CLKSEL3_PLL[0:4] */ + sr32(&prcm_base->clksel3_pll, 0, 5, ptr->m2); + + /* M (PERIPH_DPLL_MULT): CM_CLKSEL2_PLL[8:19] */ + sr32(&prcm_base->clksel2_pll, 8, 12, ptr->m); + + /* N (PERIPH_DPLL_DIV): CM_CLKSEL2_PLL[0:6] */ + sr32(&prcm_base->clksel2_pll, 0, 7, ptr->n); + + /* M2DIV (CLKSEL_96M): CM_CLKSEL_CORE[12:13] */ + sr32(&prcm_base->clksel_core, 12, 2, ptr->m2div); + + /* LOCK MODE (EN_PERIPH_DPLL): CM_CLKEN_PLL[16:18] */ + sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); + wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); +} + +static void mpu_init_36xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *) get_36x_mpu_dpll_param(); + + /* Moving to the right sysclk */ + ptr += clk_index; + + /* MPU DPLL (unlocked already */ + + /* M2 (MPU_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_MPU[0:4] */ + sr32(&prcm_base->clksel2_pll_mpu, 0, 5, ptr->m2); + + /* M (MPU_DPLL_MULT) : CM_CLKSEL2_PLL_MPU[8:18] */ + sr32(&prcm_base->clksel1_pll_mpu, 8, 11, ptr->m); + + /* N (MPU_DPLL_DIV) : CM_CLKSEL2_PLL_MPU[0:6] */ + sr32(&prcm_base->clksel1_pll_mpu, 0, 7, ptr->n); +} + +static void iva_init_36xx(u32 sil_index, u32 clk_index) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + dpll_param *ptr = (dpll_param *)get_36x_iva_dpll_param(); + + /* Moving to the right sysclk */ + ptr += clk_index; + + /* IVA DPLL */ + /* EN_IVA2_DPLL : CM_CLKEN_PLL_IVA2[0:2] */ sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP); wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY); - /* set M2 */ - sr32(&prcm_base->clksel2_pll_iva2, 0, 5, dpll_param_p->m2); - /* set M */ - sr32(&prcm_base->clksel1_pll_iva2, 8, 11, dpll_param_p->m); - /* set N */ - sr32(&prcm_base->clksel1_pll_iva2, 0, 7, dpll_param_p->n); - /* FREQSEL */ - sr32(&prcm_base->clken_pll_iva2, 4, 4, dpll_param_p->fsel); - /* lock mode */ + + /* M2 (IVA2_DPLL_CLKOUT_DIV) : CM_CLKSEL2_PLL_IVA2[0:4] */ + sr32(&prcm_base->clksel2_pll_iva2, 0, 5, ptr->m2); + + /* M (IVA2_DPLL_MULT) : CM_CLKSEL1_PLL_IVA2[8:18] */ + sr32(&prcm_base->clksel1_pll_iva2, 8, 11, ptr->m); + + /* N (IVA2_DPLL_DIV) : CM_CLKSEL1_PLL_IVA2[0:6] */ + sr32(&prcm_base->clksel1_pll_iva2, 0, 7, ptr->n); + + /* LOCK (MODE (EN_IVA2_DPLL) : CM_CLKEN_PLL_IVA2[0:2] */ sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK); + wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY); +} + +/****************************************************************************** + * prcm_init() - inits clocks for PRCM as defined in clocks.h + * called from SRAM, or Flash (using temp SRAM stack). + *****************************************************************************/ +void prcm_init(void) +{ + u32 osc_clk = 0, sys_clkin_sel; + u32 clk_index, sil_index = 0; + struct prm *prm_base = (struct prm *)PRM_BASE; + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + + /* + * Gauge the input clock speed and find out the sys_clkin_sel + * value corresponding to the input clock. + */ + osc_clk = get_osc_clk_speed(); + get_sys_clkin_sel(osc_clk, &sys_clkin_sel); + + /* set input crystal speed */ + sr32(&prm_base->clksel, 0, 3, sys_clkin_sel); + + /* If the input clock is greater than 19.2M always divide/2 */ + if (sys_clkin_sel > 2) { + /* input clock divider */ + sr32(&prm_base->clksrc_ctrl, 6, 2, 2); + clk_index = sys_clkin_sel / 2; + } else { + /* input clock divider */ + sr32(&prm_base->clksrc_ctrl, 6, 2, 1); + clk_index = sys_clkin_sel; + } + + if (get_cpu_family() == CPU_OMAP36XX) { + /* Unlock MPU DPLL (slows things down, and needed later) */ + sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS); + wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, + LDELAY); + + dpll3_init_36xx(0, clk_index); + dpll4_init_36xx(0, clk_index); + iva_init_36xx(0, clk_index); + mpu_init_36xx(0, clk_index); + + /* Lock MPU DPLL to set frequency */ + sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK); + wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, + LDELAY); + } else { + /* + * The DPLL tables are defined according to sysclk value and + * silicon revision. The clk_index value will be used to get + * the values for that input sysclk from the DPLL param table + * and sil_index will get the values for that SysClk for the + * appropriate silicon rev. + */ + if (((get_cpu_family() == CPU_OMAP34XX) + && (get_cpu_rev() >= CPU_3XX_ES20)) || + (get_cpu_family() == CPU_AM35XX)) + sil_index = 1; + + /* Unlock MPU DPLL (slows things down, and needed later) */ + sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS); + wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, + LDELAY); + + dpll3_init_34xx(sil_index, clk_index); + dpll4_init_34xx(sil_index, clk_index); + iva_init_34xx(sil_index, clk_index); + mpu_init_34xx(sil_index, clk_index); + + /* Lock MPU DPLL to set frequency */ + sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK); + wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, + LDELAY); + } /* Set up GPTimers to sys_clk source only */ sr32(&prcm_base->clksel_per, 0, 8, 0xff); diff --git a/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S index 73063ec8e..91c6dbcc0 100644 --- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S @@ -359,3 +359,72 @@ per_dpll_param: get_per_dpll_param: adr r0, per_dpll_param mov pc, lr + +/* + * Tables for 36XX/37XX devices + * + */ +mpu_36x_dpll_param: +/* 12MHz */ +.word 50, 0, 0, 1 +/* 13MHz */ +.word 600, 12, 0, 1 +/* 19.2MHz */ +.word 125, 3, 0, 1 +/* 26MHz */ +.word 300, 12, 0, 1 +/* 38.4MHz */ +.word 125, 7, 0, 1 + +iva_36x_dpll_param: +/* 12MHz */ +.word 130, 2, 0, 1 +/* 13MHz */ +.word 20, 0, 0, 1 +/* 19.2MHz */ +.word 325, 11, 0, 1 +/* 26MHz */ +.word 10, 0, 0, 1 +/* 38.4MHz */ +.word 325, 23, 0, 1 + +core_36x_dpll_param: +/* 12MHz */ +.word 100, 2, 0, 1 +/* 13MHz */ +.word 400, 12, 0, 1 +/* 19.2MHz */ +.word 375, 17, 0, 1 +/* 26MHz */ +.word 200, 12, 0, 1 +/* 38.4MHz */ +.word 375, 35, 0, 1 + +per_36x_dpll_param: +/* SYSCLK M N M2 M3 M4 M5 M6 m2DIV */ +.word 12000, 360, 4, 9, 16, 5, 4, 3, 1 +.word 13000, 864, 12, 9, 16, 9, 4, 3, 1 +.word 19200, 360, 7, 9, 16, 5, 4, 3, 1 +.word 26000, 432, 12, 9, 16, 9, 4, 3, 1 +.word 38400, 360, 15, 9, 16, 5, 4, 3, 1 + +.globl get_36x_mpu_dpll_param +get_36x_mpu_dpll_param: + adr r0, mpu_36x_dpll_param + mov pc, lr + +.globl get_36x_iva_dpll_param +get_36x_iva_dpll_param: + adr r0, iva_36x_dpll_param + mov pc, lr + +.globl get_36x_core_dpll_param +get_36x_core_dpll_param: + adr r0, core_36x_dpll_param + mov pc, lr + +.globl get_36x_per_dpll_param +get_36x_per_dpll_param: + adr r0, per_36x_dpll_param + mov pc, lr + diff --git a/arch/arm/include/asm/arch-omap3/clocks.h b/arch/arm/include/asm/arch-omap3/clocks.h index 71a0cb6ae..40f80baf6 100644 --- a/arch/arm/include/asm/arch-omap3/clocks.h +++ b/arch/arm/include/asm/arch-omap3/clocks.h @@ -51,12 +51,29 @@ typedef struct { unsigned int m2; } dpll_param; +struct dpll_per_36x_param { + unsigned int sys_clk; + unsigned int m; + unsigned int n; + unsigned int m2; + unsigned int m3; + unsigned int m4; + unsigned int m5; + unsigned int m6; + unsigned int m2div; +}; + /* Following functions are exported from lowlevel_init.S */ extern dpll_param *get_mpu_dpll_param(void); extern dpll_param *get_iva_dpll_param(void); extern dpll_param *get_core_dpll_param(void); extern dpll_param *get_per_dpll_param(void); +extern dpll_param *get_36x_mpu_dpll_param(void); +extern dpll_param *get_36x_iva_dpll_param(void); +extern dpll_param *get_36x_core_dpll_param(void); +extern dpll_param *get_36x_per_dpll_param(void); + extern void *_end_vect, *_start; #endif diff --git a/arch/arm/include/asm/arch-omap3/clocks_omap3.h b/arch/arm/include/asm/arch-omap3/clocks_omap3.h index 661407b56..30ef690fa 100644 --- a/arch/arm/include/asm/arch-omap3/clocks_omap3.h +++ b/arch/arm/include/asm/arch-omap3/clocks_omap3.h @@ -282,4 +282,31 @@ #define PER_FSEL_38P4 0x07 #define PER_M2_38P4 0x09 +/* 36XX PER DPLL */ + +#define PER_36XX_M_12 0x1B0 +#define PER_36XX_N_12 0x05 +#define PER_36XX_FSEL_12 0x07 +#define PER_36XX_M2_12 0x09 + +#define PER_36XX_M_13 0x360 +#define PER_36XX_N_13 0x0C +#define PER_36XX_FSEL_13 0x03 +#define PER_36XX_M2_13 0x09 + +#define PER_36XX_M_19P2 0x1C2 +#define PER_36XX_N_19P2 0x09 +#define PER_36XX_FSEL_19P2 0x07 +#define PER_36XX_M2_19P2 0x09 + +#define PER_36XX_M_26 0x1B0 +#define PER_36XX_N_26 0x0C +#define PER_36XX_FSEL_26 0x07 +#define PER_36XX_M2_26 0x09 + +#define PER_36XX_M_38P4 0x1C2 +#define PER_36XX_N_38P4 0x13 +#define PER_36XX_FSEL_38P4 0x07 +#define PER_36XX_M2_38P4 0x09 + #endif /* endif _CLOCKS_OMAP3_H_ */ -- cgit v1.2.3-70-g09d2 From 543431b66dd9f3526f23546cac962c29ad0f485a Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Wed, 25 Aug 2010 13:22:44 -0700 Subject: ARMV7: OMAP3: Fix broken reset command on OMAP36XX/37XX and OMAP4 Using the reset command on OMAP36XX/37XX and OMAP4 caused a hang. This patch uses the reset bit appropriate for each CPU architecture. Signed-off-by: Steve Sakoman Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/armv7/omap-common/reset.S | 4 +++- arch/arm/include/asm/arch-omap3/cpu.h | 1 + arch/arm/include/asm/arch-omap4/omap4.h | 1 + 3 files changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/cpu/armv7/omap-common/reset.S b/arch/arm/cpu/armv7/omap-common/reset.S index a53c40819..838b1221e 100644 --- a/arch/arm/cpu/armv7/omap-common/reset.S +++ b/arch/arm/cpu/armv7/omap-common/reset.S @@ -27,10 +27,12 @@ reset_cpu: ldr r1, rstctl @ get addr for global reset @ reg - mov r3, #0x2 @ full reset pll + mpu + ldr r3, rstbit @ sw reset bit str r3, [r1] @ force reset mov r0, r0 _loop_forever: b _loop_forever rstctl: .word PRM_RSTCTRL +rstbit: + .word PRM_RSTCTRL_RESET diff --git a/arch/arm/include/asm/arch-omap3/cpu.h b/arch/arm/include/asm/arch-omap3/cpu.h index 99da756bc..962d6d40a 100644 --- a/arch/arm/include/asm/arch-omap3/cpu.h +++ b/arch/arm/include/asm/arch-omap3/cpu.h @@ -419,6 +419,7 @@ struct prm { }; #else /* __ASSEMBLY__ */ #define PRM_RSTCTRL 0x48307250 +#define PRM_RSTCTRL_RESET 0x04 #endif /* __ASSEMBLY__ */ #endif /* __KERNEL_STRICT_NAMES */ diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h index 79ff22cf3..d0c808d12 100644 --- a/arch/arm/include/asm/arch-omap4/omap4.h +++ b/arch/arm/include/asm/arch-omap4/omap4.h @@ -88,6 +88,7 @@ #define PRM_DEVICE_BASE (PRM_BASE + 0x1B00) #define PRM_RSTCTRL PRM_DEVICE_BASE +#define PRM_RSTCTRL_RESET 0x01 #ifndef __ASSEMBLY__ -- cgit v1.2.3-70-g09d2