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| author | Tom Warren <twarren.nvidia@gmail.com> | 2012-12-11 13:34:15 +0000 | 
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2013-01-16 13:40:07 -0700 | 
| commit | b2871037d2c4c5f55b8de8ac593babbdab6624cb (patch) | |
| tree | 6a2d7ea87099d3fd4380a30999d53fc3f79936dd | |
| parent | 5576aab5173e81462b852c35fe8d1c03c310afc2 (diff) | |
| download | olio-uboot-2014.01-b2871037d2c4c5f55b8de8ac593babbdab6624cb.tar.xz olio-uboot-2014.01-b2871037d2c4c5f55b8de8ac593babbdab6624cb.zip | |
Tegra30: Add common CPU (shared) files
These files are used by both SPL and main U-Boot.
Also made minor changes to shared Tegra code to support
T30 differences.
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
| -rw-r--r-- | arch/arm/cpu/tegra-common/ap.c | 14 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra-common/board.c | 41 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra-common/sys_info.c | 16 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra20-common/warmboot.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra30-common/Makefile | 44 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra30-common/clock.c | 1092 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra30-common/funcmux.c | 57 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra30-common/pinmux.c | 506 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/ap.h | 52 | 
9 files changed, 1768 insertions, 56 deletions
| diff --git a/arch/arm/cpu/tegra-common/ap.c b/arch/arm/cpu/tegra-common/ap.c index c4eb13748..aebe29e4b 100644 --- a/arch/arm/cpu/tegra-common/ap.c +++ b/arch/arm/cpu/tegra-common/ap.c @@ -20,10 +20,14 @@  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,  * MA 02111-1307 USA  */ + +/* Tegra AP (Application Processor) code */ +  #include <common.h>  #include <asm/io.h>  #include <asm/arch/gp_padctrl.h>  #include <asm/arch-tegra/ap.h> +#include <asm/arch-tegra/clock.h>  #include <asm/arch-tegra/fuse.h>  #include <asm/arch-tegra/pmc.h>  #include <asm/arch-tegra/scu.h> @@ -58,6 +62,12 @@ int tegra_get_chip_type(void)  			return TEGRA_SOC_T25;  		}  		break; +	case CHIPID_TEGRA30: +		switch (tegra_sku_id) { +		case SKU_ID_T30: +			return TEGRA_SOC_T30; +		} +		break;  	}  	/* unknown sku id */  	return TEGRA_SOC_UNKNOWN; @@ -93,7 +103,7 @@ static u32 get_odmdata(void)  	u32 bct_start, odmdata; -	bct_start = readl(AP20_BASE_PA_SRAM + NVBOOTINFOTABLE_BCTPTR); +	bct_start = readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BCTPTR);  	odmdata = readl(bct_start + BCT_ODMDATA_OFFSET);  	return odmdata; @@ -127,5 +137,5 @@ void s_init(void)  		"orr	r0, r0, #0x41\n"  		"mcr	p15, 0, r0, c1, c0, 1\n"); -	/* FIXME: should have ap20's L2 disabled too? */ +	/* FIXME: should have SoC's L2 disabled too? */  } diff --git a/arch/arm/cpu/tegra-common/board.c b/arch/arm/cpu/tegra-common/board.c index b2e10c6db..af1879c50 100644 --- a/arch/arm/cpu/tegra-common/board.c +++ b/arch/arm/cpu/tegra-common/board.c @@ -54,16 +54,37 @@ unsigned int query_sdram_size(void)  	reg = readl(&pmc->pmc_scratch20);  	debug("pmc->pmc_scratch20 (ODMData) = 0x%08x\n", reg); -	/* bits 31:28 in OdmData are used for RAM size  */ +#if defined(CONFIG_TEGRA20) +	/* bits 30:28 in OdmData are used for RAM size on T20  */ +	reg &= 0x70000000; +  	switch ((reg) >> 28) {  	case 1:  		return 0x10000000;	/* 256 MB */ +	case 0:  	case 2:  	default:  		return 0x20000000;	/* 512 MB */  	case 3:  		return 0x40000000;	/* 1GB */  	} +#else	/* Tegra30 */ +	/* bits 31:28 in OdmData are used for RAM size on T30  */ +	switch ((reg) >> 28) { +	case 0: +	case 1: +	default: +		return 0x10000000;	/* 256 MB */ +	case 2: +		return 0x20000000;	/* 512 MB */ +	case 3: +		return 0x30000000;	/* 768 MB */ +	case 4: +		return 0x40000000;	/* 1GB */ +	case 8: +		return 0x7ff00000;	/* 2GB - 1MB */ +	} +#endif  }  int dram_init(void) @@ -82,19 +103,27 @@ int checkboard(void)  #endif	/* CONFIG_DISPLAY_BOARDINFO */  static int uart_configs[] = { -#if defined(CONFIG_TEGRA_UARTA_UAA_UAB) +#if defined(CONFIG_TEGRA20) + #if defined(CONFIG_TEGRA_UARTA_UAA_UAB)  	FUNCMUX_UART1_UAA_UAB, -#elif defined(CONFIG_TEGRA_UARTA_GPU) + #elif defined(CONFIG_TEGRA_UARTA_GPU)  	FUNCMUX_UART1_GPU, -#elif defined(CONFIG_TEGRA_UARTA_SDIO1) + #elif defined(CONFIG_TEGRA_UARTA_SDIO1)  	FUNCMUX_UART1_SDIO1, -#else + #else  	FUNCMUX_UART1_IRRX_IRTX, -#endif + #endif  	FUNCMUX_UART2_IRDA,  	-1,  	FUNCMUX_UART4_GMC,  	-1, +#else	/* Tegra30 */ +	FUNCMUX_UART1_ULPI,	/* UARTA */ +	-1, +	-1, +	-1, +	-1, +#endif  };  /** diff --git a/arch/arm/cpu/tegra-common/sys_info.c b/arch/arm/cpu/tegra-common/sys_info.c index 1a0bb561a..4632f15d5 100644 --- a/arch/arm/cpu/tegra-common/sys_info.c +++ b/arch/arm/cpu/tegra-common/sys_info.c @@ -22,12 +22,26 @@   */  #include <common.h> +#include <linux/ctype.h>  #ifdef CONFIG_DISPLAY_CPUINFO +void upstring(char *s) +{ +	while (*s) { +		*s = toupper(*s); +		s++; +	} +} +  /* Print CPU information */  int print_cpuinfo(void)  { -	puts("TEGRA20\n"); +	char soc_name[10]; + +	strncpy(soc_name, CONFIG_SYS_SOC, 10); +	upstring(soc_name); +	puts(soc_name); +	puts("\n");  	/* TBD: Add printf of major/minor rev info, stepping, etc. */  	return 0; diff --git a/arch/arm/cpu/tegra20-common/warmboot.c b/arch/arm/cpu/tegra20-common/warmboot.c index 157b9abc4..0d472cfe3 100644 --- a/arch/arm/cpu/tegra20-common/warmboot.c +++ b/arch/arm/cpu/tegra20-common/warmboot.c @@ -46,7 +46,7 @@ DECLARE_GLOBAL_DATA_PTR;   * This is the place in SRAM where the SDRAM parameters are stored. There   * are 4 blocks, one for each RAM code   */ -#define SDRAM_PARAMS_BASE	(AP20_BASE_PA_SRAM + 0x188) +#define SDRAM_PARAMS_BASE	(NV_PA_BASE_SRAM + 0x188)  /* TODO: If we later add support for the Misc GP controller, refactor this */  union xm2cfga_reg { diff --git a/arch/arm/cpu/tegra30-common/Makefile b/arch/arm/cpu/tegra30-common/Makefile new file mode 100644 index 000000000..75fef32b0 --- /dev/null +++ b/arch/arm/cpu/tegra30-common/Makefile @@ -0,0 +1,44 @@ +# +# Copyright (c) 2010-2012, NVIDIA CORPORATION.  All rights reserved. +# +# (C) Copyright 2000-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# This program is free software; you can redistribute it and/or modify it +# under the terms and conditions of the GNU General Public License, +# version 2, as published by the Free Software Foundation. +# +# This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. +# + +include $(TOPDIR)/config.mk + +# The AVP is ARMv4T architecture so we must use special compiler +# flags for any startup files it might use. + +LIB	= $(obj)lib$(SOC)-common.o + +COBJS-y	+= clock.o funcmux.o pinmux.o + +SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS-y)) + +all:	$(obj).depend $(LIB) + +$(LIB):	$(OBJS) +	$(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/tegra30-common/clock.c b/arch/arm/cpu/tegra30-common/clock.c new file mode 100644 index 000000000..5db9d207a --- /dev/null +++ b/arch/arm/cpu/tegra30-common/clock.c @@ -0,0 +1,1092 @@ +/* + * Copyright (c) 2010-2012, NVIDIA CORPORATION.  All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. + */ + +/* Tegra30 Clock control functions */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/tegra.h> +#include <asm/arch-tegra/clk_rst.h> +#include <asm/arch-tegra/timer.h> +#include <div64.h> +#include <fdtdec.h> + +/* + * This is our record of the current clock rate of each clock. We don't + * fill all of these in since we are only really interested in clocks which + * we use as parents. + */ +static unsigned pll_rate[CLOCK_ID_COUNT]; + +/* + * The oscillator frequency is fixed to one of four set values. Based on this + * the other clocks are set up appropriately. + */ +static unsigned osc_freq[CLOCK_OSC_FREQ_COUNT] = { +	13000000, +	19200000, +	12000000, +	26000000, +}; + +/* + * Clock types that we can use as a source. The Tegra3 has muxes for the + * peripheral clocks, and in most cases there are four options for the clock + * source. This gives us a clock 'type' and exploits what commonality exists + * in the device. + * + * Letters are obvious, except for T which means CLK_M, and S which means the + * clock derived from 32KHz. Beware that CLK_M (also called OSC in the + * datasheet) and PLL_M are different things. The former is the basic + * clock supplied to the SOC from an external oscillator. The latter is the + * memory clock PLL. + * + * See definitions in clock_id in the header file. + */ +enum clock_type_id { +	CLOCK_TYPE_AXPT,	/* PLL_A, PLL_X, PLL_P, CLK_M */ +	CLOCK_TYPE_MCPA,	/* and so on */ +	CLOCK_TYPE_MCPT, +	CLOCK_TYPE_PCM, +	CLOCK_TYPE_PCMT, +	CLOCK_TYPE_PDCT, +	CLOCK_TYPE_ACPT, +	CLOCK_TYPE_ASPTE, +	CLOCK_TYPE_PMDACD2T, +	CLOCK_TYPE_PCST, + +	CLOCK_TYPE_COUNT, +	CLOCK_TYPE_NONE = -1,	/* invalid clock type */ +}; + +/* return 1 if a peripheral ID is in range */ +#define clock_type_id_isvalid(id) ((id) >= 0 && \ +		(id) < CLOCK_TYPE_COUNT) + +char pllp_valid = 1;	/* PLLP is set up correctly */ + +enum { +	CLOCK_MAX_MUX	= 8	/* number of source options for each clock */ +}; + +enum { +	MASK_BITS_31_30	= 2,	/* num of bits used to specify clock source */ +	MASK_BITS_31_29, +	MASK_BITS_29_28, +}; + +/* + * Clock source mux for each clock type. This just converts our enum into + * a list of mux sources for use by the code. + * + * Note: + *  The extra column in each clock source array is used to store the mask + *  bits in its register for the source. + */ +#define CLK(x) CLOCK_ID_ ## x +static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = { +	{ CLK(AUDIO),	CLK(XCPU),	CLK(PERIPH),	CLK(OSC), +		CLK(NONE),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_31_30}, +	{ CLK(MEMORY),	CLK(CGENERAL),	CLK(PERIPH),	CLK(AUDIO), +		CLK(NONE),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_31_30}, +	{ CLK(MEMORY),	CLK(CGENERAL),	CLK(PERIPH),	CLK(OSC), +		CLK(NONE),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_31_30}, +	{ CLK(PERIPH),	CLK(CGENERAL),	CLK(MEMORY),	CLK(NONE), +		CLK(NONE),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_31_30}, +	{ CLK(PERIPH),	CLK(CGENERAL),	CLK(MEMORY),	CLK(OSC), +		CLK(NONE),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_31_30}, +	{ CLK(PERIPH),	CLK(DISPLAY),	CLK(CGENERAL),	CLK(OSC), +		CLK(NONE),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_31_30}, +	{ CLK(AUDIO),	CLK(CGENERAL),	CLK(PERIPH),	CLK(OSC), +		CLK(NONE),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_31_30}, +	{ CLK(AUDIO),	CLK(SFROM32KHZ),	CLK(PERIPH),	CLK(OSC), +		CLK(EPCI),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_31_29}, +	{ CLK(PERIPH),	CLK(MEMORY),	CLK(DISPLAY),	CLK(AUDIO), +		CLK(CGENERAL),	CLK(DISPLAY2),	CLK(OSC),	CLK(NONE), +		MASK_BITS_31_29}, +	{ CLK(PERIPH),	CLK(CGENERAL),	CLK(SFROM32KHZ),	CLK(OSC), +		CLK(NONE),	CLK(NONE),	CLK(NONE),	CLK(NONE), +		MASK_BITS_29_28} +}; + +/* return 1 if a periphc_internal_id is in range */ +#define periphc_internal_id_isvalid(id) ((id) >= 0 && \ +		(id) < PERIPHC_COUNT) + +/* + * Clock type for each peripheral clock source. We put the name in each + * record just so it is easy to match things up + */ +#define TYPE(name, type) type +static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = { +	/* 0x00 */ +	TYPE(PERIPHC_I2S1,	CLOCK_TYPE_AXPT), +	TYPE(PERIPHC_I2S2,	CLOCK_TYPE_AXPT), +	TYPE(PERIPHC_SPDIF_OUT,	CLOCK_TYPE_AXPT), +	TYPE(PERIPHC_SPDIF_IN,	CLOCK_TYPE_PCM), +	TYPE(PERIPHC_PWM,	CLOCK_TYPE_PCST), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_SBC2,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_SBC3,	CLOCK_TYPE_PCMT), + +	/* 0x08 */ +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_I2C1,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_DVC_I2C,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_SBC1,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_DISP1,	CLOCK_TYPE_PMDACD2T), +	TYPE(PERIPHC_DISP2,	CLOCK_TYPE_PMDACD2T), + +	/* 0x10 */ +	TYPE(PERIPHC_CVE,	CLOCK_TYPE_PDCT), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_VI,	CLOCK_TYPE_MCPA), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_SDMMC1,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_SDMMC2,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_G3D,	CLOCK_TYPE_MCPA), +	TYPE(PERIPHC_G2D,	CLOCK_TYPE_MCPA), + +	/* 0x18 */ +	TYPE(PERIPHC_NDFLASH,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_SDMMC4,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_VFIR,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_EPP,	CLOCK_TYPE_MCPA), +	TYPE(PERIPHC_MPE,	CLOCK_TYPE_MCPA), +	TYPE(PERIPHC_MIPI,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_UART1,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_UART2,	CLOCK_TYPE_PCMT), + +	/* 0x20 */ +	TYPE(PERIPHC_HOST1X,	CLOCK_TYPE_MCPA), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_TVO,	CLOCK_TYPE_PDCT), +	TYPE(PERIPHC_HDMI,	CLOCK_TYPE_PMDACD2T), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_TVDAC,	CLOCK_TYPE_PDCT), +	TYPE(PERIPHC_I2C2,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_EMC,	CLOCK_TYPE_MCPT), + +	/* 0x28 */ +	TYPE(PERIPHC_UART3,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_VI,	CLOCK_TYPE_MCPA), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_SBC4,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_I2C3,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_SDMMC3,	CLOCK_TYPE_PCMT), + +	/* 0x30 */ +	TYPE(PERIPHC_UART4,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_UART5,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_VDE,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_OWR,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_NOR,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_CSITE,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_I2S0,	CLOCK_TYPE_AXPT), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), + +	/* 0x38h */ +	TYPE(PERIPHC_G3D2,	CLOCK_TYPE_MCPA), +	TYPE(PERIPHC_MSELECT,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_TSENSOR,	CLOCK_TYPE_PCM), +	TYPE(PERIPHC_I2S3,	CLOCK_TYPE_AXPT), +	TYPE(PERIPHC_I2S4,	CLOCK_TYPE_AXPT), +	TYPE(PERIPHC_I2C4,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_SBC5,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_SBC6,	CLOCK_TYPE_PCMT), + +	/* 0x40 */ +	TYPE(PERIPHC_AUDIO,	CLOCK_TYPE_ACPT), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_DAM0,	CLOCK_TYPE_ACPT), +	TYPE(PERIPHC_DAM1,	CLOCK_TYPE_ACPT), +	TYPE(PERIPHC_DAM2,	CLOCK_TYPE_ACPT), +	TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_ACTMON,	CLOCK_TYPE_PCM), +	TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE), + +	/* 0x48 */ +	TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE), +	TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE), +	TYPE(PERIPHC_NANDSPEED,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_I2CSLOW,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_SYS,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_SPEEDO,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), +	TYPE(PERIPHC_NONE,	CLOCK_TYPE_NONE), + +	/* 0x50 */ +	TYPE(PERIPHC_SATAOOB,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_SATA,	CLOCK_TYPE_PCMT), +	TYPE(PERIPHC_HDA,	CLOCK_TYPE_PCMT), +}; + +/* + * This array translates a periph_id to a periphc_internal_id + * + * Not present/matched up: + *	uint vi_sensor;	 _VI_SENSOR_0,		0x1A8 + *	SPDIF - which is both 0x08 and 0x0c + * + */ +#define NONE(name) (-1) +#define OFFSET(name, value) PERIPHC_ ## name +static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = { +	/* Low word: 31:0 */ +	NONE(CPU), +	NONE(COP), +	NONE(TRIGSYS), +	NONE(RESERVED3), +	NONE(RESERVED4), +	NONE(TMR), +	PERIPHC_UART1, +	PERIPHC_UART2,	/* and vfir 0x68 */ + +	/* 8 */ +	NONE(GPIO), +	PERIPHC_SDMMC2, +	NONE(SPDIF),		/* 0x08 and 0x0c, unclear which to use */ +	PERIPHC_I2S1, +	PERIPHC_I2C1, +	PERIPHC_NDFLASH, +	PERIPHC_SDMMC1, +	PERIPHC_SDMMC4, + +	/* 16 */ +	NONE(RESERVED16), +	PERIPHC_PWM, +	PERIPHC_I2S2, +	PERIPHC_EPP, +	PERIPHC_VI, +	PERIPHC_G2D, +	NONE(USBD), +	NONE(ISP), + +	/* 24 */ +	PERIPHC_G3D, +	NONE(RESERVED25), +	PERIPHC_DISP2, +	PERIPHC_DISP1, +	PERIPHC_HOST1X, +	NONE(VCP), +	PERIPHC_I2S0, +	NONE(CACHE2), + +	/* Middle word: 63:32 */ +	NONE(MEM), +	NONE(AHBDMA), +	NONE(APBDMA), +	NONE(RESERVED35), +	NONE(RESERVED36), +	NONE(STAT_MON), +	NONE(RESERVED38), +	NONE(RESERVED39), + +	/* 40 */ +	NONE(KFUSE), +	NONE(SBC1),	/* SBC1, 0x34, is this SPI1? */ +	PERIPHC_NOR, +	NONE(RESERVED43), +	PERIPHC_SBC2, +	NONE(RESERVED45), +	PERIPHC_SBC3, +	PERIPHC_DVC_I2C, + +	/* 48 */ +	NONE(DSI), +	PERIPHC_TVO,	/* also CVE 0x40 */ +	PERIPHC_MIPI, +	PERIPHC_HDMI, +	NONE(CSI), +	PERIPHC_TVDAC, +	PERIPHC_I2C2, +	PERIPHC_UART3, + +	/* 56 */ +	NONE(RESERVED56), +	PERIPHC_EMC, +	NONE(USB2), +	NONE(USB3), +	PERIPHC_MPE, +	PERIPHC_VDE, +	NONE(BSEA), +	NONE(BSEV), + +	/* Upper word 95:64 */ +	PERIPHC_SPEEDO, +	PERIPHC_UART4, +	PERIPHC_UART5, +	PERIPHC_I2C3, +	PERIPHC_SBC4, +	PERIPHC_SDMMC3, +	NONE(PCIE), +	PERIPHC_OWR, + +	/* 72 */ +	NONE(AFI), +	PERIPHC_CSITE, +	NONE(PCIEXCLK), +	NONE(AVPUCQ), +	NONE(RESERVED76), +	NONE(RESERVED77), +	NONE(RESERVED78), +	NONE(DTV), + +	/* 80 */ +	PERIPHC_NANDSPEED, +	PERIPHC_I2CSLOW, +	NONE(DSIB), +	NONE(RESERVED83), +	NONE(IRAMA), +	NONE(IRAMB), +	NONE(IRAMC), +	NONE(IRAMD), + +	/* 88 */ +	NONE(CRAM2), +	NONE(RESERVED89), +	NONE(MDOUBLER), +	NONE(RESERVED91), +	NONE(SUSOUT), +	NONE(RESERVED93), +	NONE(RESERVED94), +	NONE(RESERVED95), + +	/* V word: 31:0 */ +	NONE(CPUG), +	NONE(CPULP), +	PERIPHC_G3D2, +	PERIPHC_MSELECT, +	PERIPHC_TSENSOR, +	PERIPHC_I2S3, +	PERIPHC_I2S4, +	PERIPHC_I2C4, + +	/* 08 */ +	PERIPHC_SBC5, +	PERIPHC_SBC6, +	PERIPHC_AUDIO, +	NONE(APBIF), +	PERIPHC_DAM0, +	PERIPHC_DAM1, +	PERIPHC_DAM2, +	PERIPHC_HDA2CODEC2X, + +	/* 16 */ +	NONE(ATOMICS), +	NONE(RESERVED17), +	NONE(RESERVED18), +	NONE(RESERVED19), +	NONE(RESERVED20), +	NONE(RESERVED21), +	NONE(RESERVED22), +	PERIPHC_ACTMON, + +	/* 24 */ +	NONE(RESERVED24), +	NONE(RESERVED25), +	NONE(RESERVED26), +	NONE(RESERVED27), +	PERIPHC_SATA, +	PERIPHC_HDA, +	NONE(RESERVED30), +	NONE(RESERVED31), + +	/* W word: 31:0 */ +	NONE(HDA2HDMICODEC), +	NONE(SATACOLD), +	NONE(RESERVED0_PCIERX0), +	NONE(RESERVED1_PCIERX1), +	NONE(RESERVED2_PCIERX2), +	NONE(RESERVED3_PCIERX3), +	NONE(RESERVED4_PCIERX4), +	NONE(RESERVED5_PCIERX5), + +	/* 40 */ +	NONE(CEC), +	NONE(RESERVED6_PCIE2), +	NONE(RESERVED7_EMC), +	NONE(RESERVED8_HDMI), +	NONE(RESERVED9_SATA), +	NONE(RESERVED10_MIPI), +	NONE(EX_RESERVED46), +	NONE(EX_RESERVED47), +}; + +/* + * Get the oscillator frequency, from the corresponding hardware configuration + * field. + */ +enum clock_osc_freq clock_get_osc_freq(void) +{ +	struct clk_rst_ctlr *clkrst = +			(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; +	u32 reg; + +	reg = readl(&clkrst->crc_osc_ctrl); +	return (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT; +} + +int clock_get_osc_bypass(void) +{ +	struct clk_rst_ctlr *clkrst = +			(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; +	u32 reg; + +	reg = readl(&clkrst->crc_osc_ctrl); +	return (reg & OSC_XOBP_MASK) >> OSC_XOBP_SHIFT; +} + +/* Returns a pointer to the registers of the given pll */ +static struct clk_pll *get_pll(enum clock_id clkid) +{ +	struct clk_rst_ctlr *clkrst = +			(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; + +	assert(clock_id_is_pll(clkid)); +	return &clkrst->crc_pll[clkid]; +} + +int clock_ll_read_pll(enum clock_id clkid, u32 *divm, u32 *divn, +		u32 *divp, u32 *cpcon, u32 *lfcon) +{ +	struct clk_pll *pll = get_pll(clkid); +	u32 data; + +	assert(clkid != CLOCK_ID_USB); + +	/* Safety check, adds to code size but is small */ +	if (!clock_id_is_pll(clkid) || clkid == CLOCK_ID_USB) +		return -1; +	data = readl(&pll->pll_base); +	*divm = (data & PLL_DIVM_MASK) >> PLL_DIVM_SHIFT; +	*divn = (data & PLL_DIVN_MASK) >> PLL_DIVN_SHIFT; +	*divp = (data & PLL_DIVP_MASK) >> PLL_DIVP_SHIFT; +	data = readl(&pll->pll_misc); +	*cpcon = (data & PLL_CPCON_MASK) >> PLL_CPCON_SHIFT; +	*lfcon = (data & PLL_LFCON_MASK) >> PLL_LFCON_SHIFT; +	return 0; +} + +unsigned long clock_start_pll(enum clock_id clkid, u32 divm, u32 divn, +		u32 divp, u32 cpcon, u32 lfcon) +{ +	struct clk_pll *pll = get_pll(clkid); +	u32 data; + +	/* +	 * We cheat by treating all PLL (except PLLU) in the same fashion. +	 * This works only because: +	 * - same fields are always mapped at same offsets, except DCCON +	 * - DCCON is always 0, doesn't conflict +	 * - M,N, P of PLLP values are ignored for PLLP +	 */ +	data = (cpcon << PLL_CPCON_SHIFT) | (lfcon << PLL_LFCON_SHIFT); +	writel(data, &pll->pll_misc); + +	data = (divm << PLL_DIVM_SHIFT) | (divn << PLL_DIVN_SHIFT) | +			(0 << PLL_BYPASS_SHIFT) | (1 << PLL_ENABLE_SHIFT); + +	if (clkid == CLOCK_ID_USB) +		data |= divp << PLLU_VCO_FREQ_SHIFT; +	else +		data |= divp << PLL_DIVP_SHIFT; +	writel(data, &pll->pll_base); + +	/* calculate the stable time */ +	return timer_get_us() + CLOCK_PLL_STABLE_DELAY_US; +} + +/* Returns a pointer to the clock source register for a peripheral */ +static u32 *get_periph_source_reg(enum periph_id periph_id) +{ +	struct clk_rst_ctlr *clkrst = +			(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; +	enum periphc_internal_id internal_id; + +	/* Coresight is a special case */ +	if (periph_id == PERIPH_ID_CSI) +		return &clkrst->crc_clk_src[PERIPH_ID_CSI+1]; + +	assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT); +	internal_id = periph_id_to_internal_id[periph_id]; +	assert(internal_id != -1); +	if (internal_id >= PERIPHC_VW_FIRST) { +		internal_id -= PERIPHC_VW_FIRST; +		return &clkrst->crc_clk_src_vw[internal_id]; +	} else +		return &clkrst->crc_clk_src[internal_id]; +} + +void clock_ll_set_source_divisor(enum periph_id periph_id, unsigned source, +			      unsigned divisor) +{ +	u32 *reg = get_periph_source_reg(periph_id); +	u32 value; + +	value = readl(reg); + +	value &= ~OUT_CLK_SOURCE_MASK; +	value |= source << OUT_CLK_SOURCE_SHIFT; + +	value &= ~OUT_CLK_DIVISOR_MASK; +	value |= divisor << OUT_CLK_DIVISOR_SHIFT; + +	writel(value, reg); +} + +void clock_ll_set_source(enum periph_id periph_id, unsigned source) +{ +	u32 *reg = get_periph_source_reg(periph_id); + +	clrsetbits_le32(reg, OUT_CLK_SOURCE_MASK, +			source << OUT_CLK_SOURCE_SHIFT); +} + +/** + * Given the parent's rate and the required rate for the children, this works + * out the peripheral clock divider to use, in 7.1 binary format. + * + * @param divider_bits	number of divider bits (8 or 16) + * @param parent_rate	clock rate of parent clock in Hz + * @param rate		required clock rate for this clock + * @return divider which should be used + */ +static int clk_get_divider(unsigned divider_bits, unsigned long parent_rate, +			   unsigned long rate) +{ +	u64 divider = parent_rate * 2; +	unsigned max_divider = 1 << divider_bits; + +	divider += rate - 1; +	do_div(divider, rate); + +	if ((s64)divider - 2 < 0) +		return 0; + +	if ((s64)divider - 2 >= max_divider) +		return -1; + +	return divider - 2; +} + +/** + * Given the parent's rate and the divider in 7.1 format, this works out the + * resulting peripheral clock rate. + * + * @param parent_rate	clock rate of parent clock in Hz + * @param divider which should be used in 7.1 format + * @return effective clock rate of peripheral + */ +static unsigned long get_rate_from_divider(unsigned long parent_rate, +					   int divider) +{ +	u64 rate; + +	rate = (u64)parent_rate * 2; +	do_div(rate, divider + 2); +	return rate; +} + +unsigned long clock_get_periph_rate(enum periph_id periph_id, +		enum clock_id parent) +{ +	u32 *reg = get_periph_source_reg(periph_id); + +	return get_rate_from_divider(pll_rate[parent], +		(readl(reg) & OUT_CLK_DIVISOR_MASK) >> OUT_CLK_DIVISOR_SHIFT); +} + +/** + * Find the best available 7.1 format divisor given a parent clock rate and + * required child clock rate. This function assumes that a second-stage + * divisor is available which can divide by powers of 2 from 1 to 256. + * + * @param divider_bits	number of divider bits (8 or 16) + * @param parent_rate	clock rate of parent clock in Hz + * @param rate		required clock rate for this clock + * @param extra_div	value for the second-stage divisor (not set if this + *			function returns -1. + * @return divider which should be used, or -1 if nothing is valid + * + */ +static int find_best_divider(unsigned divider_bits, unsigned long parent_rate, +			     unsigned long rate, int *extra_div) +{ +	int shift; +	int best_divider = -1; +	int best_error = rate; + +	/* try dividers from 1 to 256 and find closest match */ +	for (shift = 0; shift <= 8 && best_error > 0; shift++) { +		unsigned divided_parent = parent_rate >> shift; +		int divider = clk_get_divider(divider_bits, divided_parent, +					      rate); +		unsigned effective_rate = get_rate_from_divider(divided_parent, +						       divider); +		int error = rate - effective_rate; + +		/* Given a valid divider, look for the lowest error */ +		if (divider != -1 && error < best_error) { +			best_error = error; +			*extra_div = 1 << shift; +			best_divider = divider; +		} +	} + +	/* return what we found - *extra_div will already be set */ +	return best_divider; +} + +/** + * Given a peripheral ID and the required source clock, this returns which + * value should be programmed into the source mux for that peripheral. + * + * There is special code here to handle the one source type with 5 sources. + * + * @param periph_id	peripheral to start + * @param source	PLL id of required parent clock + * @param mux_bits	Set to number of bits in mux register: 2 or 4 + * @param divider_bits	Set to number of divider bits (8 or 16) + * @return mux value (0-4, or -1 if not found) + */ +static int get_periph_clock_source(enum periph_id periph_id, +		enum clock_id parent, int *mux_bits, int *divider_bits) +{ +	enum clock_type_id type; +	enum periphc_internal_id internal_id; +	int mux; + +	assert(clock_periph_id_isvalid(periph_id)); + +	internal_id = periph_id_to_internal_id[periph_id]; +	assert(periphc_internal_id_isvalid(internal_id)); + +	type = clock_periph_type[internal_id]; +	assert(clock_type_id_isvalid(type)); + +	*mux_bits = clock_source[type][CLOCK_MAX_MUX]; + +	for (mux = 0; mux < CLOCK_MAX_MUX; mux++) +		if (clock_source[type][mux] == parent) +			return mux; + +	/* if we get here, either us or the caller has made a mistake */ +	printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id, +		parent); +	return -1; +} + +/** + * Adjust peripheral PLL to use the given divider and source. + * + * @param periph_id	peripheral to adjust + * @param source	Source number (0-3 or 0-7) + * @param mux_bits	Number of mux bits (2 or 4) + * @param divider	Required divider in 7.1 or 15.1 format + * @return 0 if ok, -1 on error (requesting a parent clock which is not valid + *		for this peripheral) + */ +static int adjust_periph_pll(enum periph_id periph_id, int source, +			     int mux_bits, unsigned divider) +{ +	u32 *reg = get_periph_source_reg(periph_id); + +	clrsetbits_le32(reg, OUT_CLK_DIVISOR_MASK, +			divider << OUT_CLK_DIVISOR_SHIFT); +	udelay(1); + +	/* work out the source clock and set it */ +	if (source < 0) +		return -1; +	if (mux_bits == 4) { +		clrsetbits_le32(reg, OUT_CLK_SOURCE4_MASK, +			source << OUT_CLK_SOURCE4_SHIFT); +	} else { +		clrsetbits_le32(reg, OUT_CLK_SOURCE_MASK, +			source << OUT_CLK_SOURCE_SHIFT); +	} +	udelay(2); +	return 0; +} + +unsigned clock_adjust_periph_pll_div(enum periph_id periph_id, +		enum clock_id parent, unsigned rate, int *extra_div) +{ +	unsigned effective_rate; +	int mux_bits, source; +	int divider, divider_bits = 0; + +	/* work out the source clock and set it */ +	source = get_periph_clock_source(periph_id, parent, &mux_bits, +					 ÷r_bits); + +	if (extra_div) +		divider = find_best_divider(divider_bits, pll_rate[parent], +					    rate, extra_div); +	else +		divider = clk_get_divider(divider_bits, pll_rate[parent], +					  rate); +	assert(divider >= 0); +	if (adjust_periph_pll(periph_id, source, mux_bits, divider)) +		return -1U; +	debug("periph %d, rate=%d, reg=%p = %x\n", periph_id, rate, +		get_periph_source_reg(periph_id), +		readl(get_periph_source_reg(periph_id))); + +	/* Check what we ended up with. This shouldn't matter though */ +	effective_rate = clock_get_periph_rate(periph_id, parent); +	if (extra_div) +		effective_rate /= *extra_div; +	if (rate != effective_rate) +		debug("Requested clock rate %u not honored (got %u)\n", +		       rate, effective_rate); +	return effective_rate; +} + +unsigned clock_start_periph_pll(enum periph_id periph_id, +		enum clock_id parent, unsigned rate) +{ +	unsigned effective_rate; + +	reset_set_enable(periph_id, 1); +	clock_enable(periph_id); + +	effective_rate = clock_adjust_periph_pll_div(periph_id, parent, rate, +						 NULL); + +	reset_set_enable(periph_id, 0); +	return effective_rate; +} + +void clock_set_enable(enum periph_id periph_id, int enable) +{ +	struct clk_rst_ctlr *clkrst = +			(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; +	u32 *clk; +	u32 reg; + +	/* Enable/disable the clock to this peripheral */ +	assert(clock_periph_id_isvalid(periph_id)); +	if ((int)periph_id < (int)PERIPH_ID_VW_FIRST) +		clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)]; +	else +		clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)]; +	reg = readl(clk); +	if (enable) +		reg |= PERIPH_MASK(periph_id); +	else +		reg &= ~PERIPH_MASK(periph_id); +	writel(reg, clk); +} + +void clock_enable(enum periph_id clkid) +{ +	clock_set_enable(clkid, 1); +} + +void clock_disable(enum periph_id clkid) +{ +	clock_set_enable(clkid, 0); +} + +void reset_set_enable(enum periph_id periph_id, int enable) +{ +	struct clk_rst_ctlr *clkrst = +			(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; +	u32 *reset; +	u32 reg; + +	/* Enable/disable reset to the peripheral */ +	assert(clock_periph_id_isvalid(periph_id)); +	if (periph_id < PERIPH_ID_VW_FIRST) +		reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)]; +	else +		reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)]; +	reg = readl(reset); +	if (enable) +		reg |= PERIPH_MASK(periph_id); +	else +		reg &= ~PERIPH_MASK(periph_id); +	writel(reg, reset); +} + +void reset_periph(enum periph_id periph_id, int us_delay) +{ +	/* Put peripheral into reset */ +	reset_set_enable(periph_id, 1); +	udelay(us_delay); + +	/* Remove reset */ +	reset_set_enable(periph_id, 0); + +	udelay(us_delay); +} + +void reset_cmplx_set_enable(int cpu, int which, int reset) +{ +	struct clk_rst_ctlr *clkrst = +			(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; +	u32 mask; + +	/* Form the mask, which depends on the cpu chosen. Tegra3 has 4 */ +	assert(cpu >= 0 && cpu < 4); +	mask = which << cpu; + +	/* either enable or disable those reset for that CPU */ +	if (reset) +		writel(mask, &clkrst->crc_cpu_cmplx_set); +	else +		writel(mask, &clkrst->crc_cpu_cmplx_clr); +} + +unsigned clock_get_rate(enum clock_id clkid) +{ +	struct clk_pll *pll; +	u32 base; +	u32 divm; +	u64 parent_rate; +	u64 rate; + +	parent_rate = osc_freq[clock_get_osc_freq()]; +	if (clkid == CLOCK_ID_OSC) +		return parent_rate; + +	pll = get_pll(clkid); +	base = readl(&pll->pll_base); + +	/* Oh for bf_unpack()... */ +	rate = parent_rate * ((base & PLL_DIVN_MASK) >> PLL_DIVN_SHIFT); +	divm = (base & PLL_DIVM_MASK) >> PLL_DIVM_SHIFT; +	if (clkid == CLOCK_ID_USB) +		divm <<= (base & PLLU_VCO_FREQ_MASK) >> PLLU_VCO_FREQ_SHIFT; +	else +		divm <<= (base & PLL_DIVP_MASK) >> PLL_DIVP_SHIFT; +	do_div(rate, divm); +	return rate; +} + +/** + * Set the output frequency you want for each PLL clock. + * PLL output frequencies are programmed by setting their N, M and P values. + * The governing equations are: + *     VCO = (Fi / m) * n, Fo = VCO / (2^p) + *     where Fo is the output frequency from the PLL. + * Example: Set the output frequency to 216Mhz(Fo) with 12Mhz OSC(Fi) + *     216Mhz = ((12Mhz / m) * n) / (2^p) so n=432,m=12,p=1 + * Please see Tegra TRM section 5.3 to get the detail for PLL Programming + * + * @param n PLL feedback divider(DIVN) + * @param m PLL input divider(DIVN) + * @param p post divider(DIVP) + * @param cpcon base PLL charge pump(CPCON) + * @return 0 if ok, -1 on error (the requested PLL is incorrect and cannot + *		be overriden), 1 if PLL is already correct + */ +static int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon) +{ +	u32 base_reg; +	u32 misc_reg; +	struct clk_pll *pll; + +	pll = get_pll(clkid); + +	base_reg = readl(&pll->pll_base); + +	/* Set BYPASS, m, n and p to PLL_BASE */ +	base_reg &= ~PLL_DIVM_MASK; +	base_reg |= m << PLL_DIVM_SHIFT; + +	base_reg &= ~PLL_DIVN_MASK; +	base_reg |= n << PLL_DIVN_SHIFT; + +	base_reg &= ~PLL_DIVP_MASK; +	base_reg |= p << PLL_DIVP_SHIFT; + +	if (clkid == CLOCK_ID_PERIPH) { +		/* +		 * If the PLL is already set up, check that it is correct +		 * and record this info for clock_verify() to check. +		 */ +		if (base_reg & PLL_BASE_OVRRIDE_MASK) { +			base_reg |= PLL_ENABLE_MASK; +			if (base_reg != readl(&pll->pll_base)) +				pllp_valid = 0; +			return pllp_valid ? 1 : -1; +		} +		base_reg |= PLL_BASE_OVRRIDE_MASK; +	} + +	base_reg |= PLL_BYPASS_MASK; +	writel(base_reg, &pll->pll_base); + +	/* Set cpcon to PLL_MISC */ +	misc_reg = readl(&pll->pll_misc); +	misc_reg &= ~PLL_CPCON_MASK; +	misc_reg |= cpcon << PLL_CPCON_SHIFT; +	writel(misc_reg, &pll->pll_misc); + +	/* Enable PLL */ +	base_reg |= PLL_ENABLE_MASK; +	writel(base_reg, &pll->pll_base); + +	/* Disable BYPASS */ +	base_reg &= ~PLL_BYPASS_MASK; +	writel(base_reg, &pll->pll_base); + +	return 0; +} + +void clock_ll_start_uart(enum periph_id periph_id) +{ +	/* Assert UART reset and enable clock */ +	reset_set_enable(periph_id, 1); +	clock_enable(periph_id); +	clock_ll_set_source(periph_id, 0); /* UARTx_CLK_SRC = 00, PLLP_OUT0 */ + +	/* wait for 2us */ +	udelay(2); + +	/* De-assert reset to UART */ +	reset_set_enable(periph_id, 0); +} + +#ifdef CONFIG_OF_CONTROL +/* + * Convert a device tree clock ID to our peripheral ID. They are mostly + * the same but we are very cautious so we check that a valid clock ID is + * provided. + * + * @param clk_id	Clock ID according to tegra20 device tree binding + * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid + */ +static enum periph_id clk_id_to_periph_id(int clk_id) +{ +	if (clk_id > 95) +		return PERIPH_ID_NONE; + +	switch (clk_id) { +	case 1: +	case 2: +	case 7: +	case 10: +	case 20: +	case 30: +	case 35: +	case 49: +	case 56: +	case 74: +	case 76: +	case 77: +	case 78: +	case 79: +	case 80: +	case 81: +	case 82: +	case 83: +	case 91: +	case 95: +		return PERIPH_ID_NONE; +	default: +		return clk_id; +	} +} + +int clock_decode_periph_id(const void *blob, int node) +{ +	enum periph_id id; +	u32 cell[2]; +	int err; + +	err = fdtdec_get_int_array(blob, node, "clocks", cell, +				   ARRAY_SIZE(cell)); +	if (err) +		return -1; +	id = clk_id_to_periph_id(cell[1]); +	assert(clock_periph_id_isvalid(id)); +	return id; +} +#endif /* CONFIG_OF_CONTROL */ + +int clock_verify(void) +{ +	struct clk_pll *pll = get_pll(CLOCK_ID_PERIPH); +	u32 reg = readl(&pll->pll_base); + +	if (!pllp_valid) { +		printf("Warning: PLLP %x is not correct\n", reg); +		return -1; +	} +	debug("PLLP %x is correct\n", reg); +	return 0; +} + +void clock_early_init(void) +{ +	/* +	 * PLLP output frequency set to 408Mhz +	 * PLLC output frequency set to 228Mhz +	 */ +	switch (clock_get_osc_freq()) { +	case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */ +		clock_set_rate(CLOCK_ID_PERIPH, 408, 12, 0, 8); +		clock_set_rate(CLOCK_ID_CGENERAL, 456, 12, 1, 8); +		break; + +	case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */ +		clock_set_rate(CLOCK_ID_PERIPH, 408, 26, 0, 8); +		clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8); +		break; + +	case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */ +		clock_set_rate(CLOCK_ID_PERIPH, 408, 13, 0, 8); +		clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8); +		break; +	case CLOCK_OSC_FREQ_19_2: +	default: +		/* +		 * These are not supported. It is too early to print a +		 * message and the UART likely won't work anyway due to the +		 * oscillator being wrong. +		 */ +		break; +	} +} + +void clock_init(void) +{ +	pll_rate[CLOCK_ID_MEMORY] = clock_get_rate(CLOCK_ID_MEMORY); +	pll_rate[CLOCK_ID_PERIPH] = clock_get_rate(CLOCK_ID_PERIPH); +	pll_rate[CLOCK_ID_CGENERAL] = clock_get_rate(CLOCK_ID_CGENERAL); +	pll_rate[CLOCK_ID_OSC] = clock_get_rate(CLOCK_ID_OSC); +	pll_rate[CLOCK_ID_SFROM32KHZ] = 32768; +	debug("Osc = %d\n", pll_rate[CLOCK_ID_OSC]); +	debug("PLLM = %d\n", pll_rate[CLOCK_ID_MEMORY]); +	debug("PLLP = %d\n", pll_rate[CLOCK_ID_PERIPH]); +} diff --git a/arch/arm/cpu/tegra30-common/funcmux.c b/arch/arm/cpu/tegra30-common/funcmux.c new file mode 100644 index 000000000..e24c57efb --- /dev/null +++ b/arch/arm/cpu/tegra30-common/funcmux.c @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2010-2012, NVIDIA CORPORATION.  All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. + */ + +/* Tegra30 high-level function multiplexing */ + +#include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/funcmux.h> +#include <asm/arch/pinmux.h> + +int funcmux_select(enum periph_id id, int config) +{ +	int bad_config = config != FUNCMUX_DEFAULT; + +	switch (id) { +	case PERIPH_ID_UART1: +		switch (config) { +		case FUNCMUX_UART1_ULPI: +			pinmux_set_func(PINGRP_ULPI_DATA0, PMUX_FUNC_UARTA); +			pinmux_set_func(PINGRP_ULPI_DATA1, PMUX_FUNC_UARTA); +			pinmux_set_func(PINGRP_ULPI_DATA2, PMUX_FUNC_UARTA); +			pinmux_set_func(PINGRP_ULPI_DATA3, PMUX_FUNC_UARTA); +			pinmux_tristate_disable(PINGRP_ULPI_DATA0); +			pinmux_tristate_disable(PINGRP_ULPI_DATA1); +			pinmux_tristate_disable(PINGRP_ULPI_DATA2); +			pinmux_tristate_disable(PINGRP_ULPI_DATA3); +			break; +		} +		break; + +	/* Add other periph IDs here as needed */ + +	default: +		debug("%s: invalid periph_id %d", __func__, id); +		return -1; +	} + +	if (bad_config) { +		debug("%s: invalid config %d for periph_id %d", __func__, +		      config, id); +		return -1; +	} +	return 0; +} diff --git a/arch/arm/cpu/tegra30-common/pinmux.c b/arch/arm/cpu/tegra30-common/pinmux.c new file mode 100644 index 000000000..122665fd3 --- /dev/null +++ b/arch/arm/cpu/tegra30-common/pinmux.c @@ -0,0 +1,506 @@ +/* + * Copyright (c) 2010-2012, NVIDIA CORPORATION.  All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. + */ + +/* Tegra30 pin multiplexing functions */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/tegra.h> +#include <asm/arch/pinmux.h> + +struct tegra_pingroup_desc { +	const char *name; +	enum pmux_func funcs[4]; +	enum pmux_func func_safe; +	enum pmux_vddio vddio; +	enum pmux_pin_io io; +}; + +#define PMUX_MUXCTL_SHIFT	0 +#define PMUX_PULL_SHIFT		2 +#define PMUX_TRISTATE_SHIFT	4 +#define PMUX_TRISTATE_MASK	(1 << PMUX_TRISTATE_SHIFT) +#define PMUX_IO_SHIFT		5 +#define PMUX_OD_SHIFT		6 +#define PMUX_LOCK_SHIFT		7 +#define PMUX_IO_RESET_SHIFT	8 + +/* Convenient macro for defining pin group properties */ +#define PIN(pg_name, vdd, f0, f1, f2, f3, iod)	\ +	{						\ +		.vddio = PMUX_VDDIO_ ## vdd,		\ +		.funcs = {				\ +			PMUX_FUNC_ ## f0,		\ +			PMUX_FUNC_ ## f1,		\ +			PMUX_FUNC_ ## f2,		\ +			PMUX_FUNC_ ## f3,		\ +		},					\ +		.func_safe = PMUX_FUNC_RSVD1,		\ +		.io = PMUX_PIN_ ## iod,			\ +	} + +/* Input and output pins */ +#define PINI(pg_name, vdd, f0, f1, f2, f3) \ +	PIN(pg_name, vdd, f0, f1, f2, f3, INPUT) +#define PINO(pg_name, vdd, f0, f1, f2, f3) \ +	PIN(pg_name, vdd, f0, f1, f2, f3, OUTPUT) + +const struct tegra_pingroup_desc tegra_soc_pingroups[PINGRP_COUNT] = { +	/*	NAME	  VDD	   f0		f1	   f2	    f3  */ +	PINI(ULPI_DATA0,  BB,	   SPI3,	HSI,	   UARTA,   ULPI), +	PINI(ULPI_DATA1,  BB,	   SPI3,	HSI,	   UARTA,   ULPI), +	PINI(ULPI_DATA2,  BB,	   SPI3,	HSI,	   UARTA,   ULPI), +	PINI(ULPI_DATA3,  BB,	   SPI3,	HSI,	   UARTA,   ULPI), +	PINI(ULPI_DATA4,  BB,	   SPI2,	HSI,	   UARTA,   ULPI), +	PINI(ULPI_DATA5,  BB,	   SPI2,	HSI,	   UARTA,   ULPI), +	PINI(ULPI_DATA6,  BB,	   SPI2,	HSI,	   UARTA,   ULPI), +	PINI(ULPI_DATA7,  BB,	   SPI2,	HSI,	   UARTA,   ULPI), +	PINI(ULPI_CLK,	  BB,	   SPI1,	RSVD2,	   UARTD,   ULPI), +	PINI(ULPI_DIR,	  BB,	   SPI1,	RSVD2,	   UARTD,   ULPI), +	PINI(ULPI_NXT,	  BB,	   SPI1,	RSVD2,	   UARTD,   ULPI), +	PINI(ULPI_STP,	  BB,	   SPI1,	RSVD2,	   UARTD,   ULPI), +	PINI(DAP3_FS,	  BB,	   I2S2,	RSVD2,	   DISPA,   DISPB), +	PINI(DAP3_DIN,	  BB,	   I2S2,	RSVD2,	   DISPA,   DISPB), +	PINI(DAP3_DOUT,	  BB,	   I2S2,	RSVD2,	   DISPA,   DISPB), +	PINI(DAP3_SCLK,	  BB,	   I2S2,	RSVD2,	   DISPA,   DISPB), +	PINI(GPIO_PV0,	  BB,	   RSVD1,	RSVD2,	   RSVD3,   RSVD4), +	PINI(GPIO_PV1,	  BB,	   RSVD1,	RSVD2,	   RSVD3,   RSVD4), +	PINI(SDMMC1_CLK,  SDMMC1,  SDMMC1,	RSVD2,	   RSVD3,   UARTA), +	PINI(SDMMC1_CMD,  SDMMC1,  SDMMC1,	RSVD2,	   RSVD3,   UARTA), +	PINI(SDMMC1_DAT3, SDMMC1,  SDMMC1,	RSVD2,	   UARTE,   UARTA), +	PINI(SDMMC1_DAT2, SDMMC1,  SDMMC1,	RSVD2,	   UARTE,   UARTA), +	PINI(SDMMC1_DAT1, SDMMC1,  SDMMC1,	RSVD2,	   UARTE,   UARTA), +	PINI(SDMMC1_DAT0, SDMMC1,  SDMMC1,	RSVD2,	   UARTE,   UARTA), +	PINI(GPIO_PV2,	  SDMMC1,  OWR,		RSVD2,	   RSVD3,   RSVD4), +	PINI(GPIO_PV3,	  SDMMC1,  CLK_12M_OUT,	RSVD2,	   RSVD3,   RSVD4), +	PINI(CLK2_OUT,	  SDMMC1,  EXTPERIPH2,	RSVD2,     RSVD3,   RSVD4), +	PINI(CLK2_REQ,	  SDMMC1,  DAP,		RSVD2,	   RSVD3,   RSVD4), +	PINO(LCD_PWR1,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_PWR2,	  LCD,	   DISPA,	DISPB,	   SPI5,    HDCP), +	PINO(LCD_SDIN,	  LCD,	   DISPA,	DISPB,	   SPI5,    RSVD4), +	PINO(LCD_SDOUT,	  LCD,	   DISPA,	DISPB,	   SPI5,    HDCP), +	PINO(LCD_WR_N,	  LCD,	   DISPA,	DISPB,	   SPI5,    HDCP), +	PINO(LCD_CS0_N,	  LCD,	   DISPA,	DISPB,	   SPI5,    RSVD4), +	PINO(LCD_DC0,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_SCK,	  LCD,	   DISPA,	DISPB,	   SPI5,    HDCP), +	PINO(LCD_PWR0,	  LCD,	   DISPA,	DISPB,	   SPI5,    HDCP), +	PINO(LCD_PCLK,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_DE,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_HSYNC,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_VSYNC,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D0,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D1,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D2,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D3,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D4,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D5,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D6,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D7,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D8,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D9,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D10,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D11,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D12,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D13,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D14,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D15,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D16,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D17,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D18,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D19,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D20,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D21,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D22,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_D23,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_CS1_N,	  LCD,	   DISPA,	DISPB,	   SPI5,    RSVD4), +	PINO(LCD_M1,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINO(LCD_DC1,	  LCD,	   DISPA,	DISPB,	   RSVD3,   RSVD4), +	PINI(HDMI_INT,	  LCD,	   HDMI,	RSVD2,	   RSVD3,   RSVD4), +	PINI(DDC_SCL,	  LCD,	   I2C4,	RSVD2,	   RSVD3,   RSVD4), +	PINI(DDC_SDA,	  LCD,	   I2C4,	RSVD2,	   RSVD3,   RSVD4), +	PINI(CRT_HSYNC,	  LCD,	   CRT,		RSVD2,	   RSVD3,   RSVD4), +	PINI(CRT_VSYNC,	  LCD,	   CRT,		RSVD2,	   RSVD3,   RSVD4), +	PINI(VI_D0,	  VI,	   DDR,		RSVD2,	   VI,      RSVD4), +	PINI(VI_D1,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D2,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D3,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D4,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D5,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D6,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D7,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D8,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D9,	  VI,	   DDR,		SDMMC2,	   VI,      RSVD4), +	PINI(VI_D10,	  VI,	   DDR,		RSVD2,	   VI,      RSVD4), +	PINI(VI_D11,	  VI,	   DDR,		RSVD2,	   VI,      RSVD4), +	PINI(VI_PCLK,	  VI,	   RSVD1,	SDMMC2,	   VI,      RSVD4), +	PINI(VI_MCLK,	  VI,	   VI,		VI,	   VI,      VI), +	PINI(VI_VSYNC,	  VI,	   DDR,		RSVD2,	   VI,      RSVD4), +	PINI(VI_HSYNC,	  VI,	   DDR,		RSVD2,	   VI,      RSVD4), +	PINI(UART2_RXD,	  UART,	   UARTB,	SPDIF,	   UARTA,   SPI4), +	PINI(UART2_TXD,	  UART,	   UARTB,	SPDIF,	   UARTA,   SPI4), +	PINI(UART2_RTS_N, UART,	   UARTA,	UARTB,	   GMI,     SPI4), +	PINI(UART2_CTS_N, UART,	   UARTA,	UARTB,	   GMI,     SPI4), +	PINI(UART3_TXD,	  UART,	   UARTC,	RSVD2,	   GMI,     RSVD4), +	PINI(UART3_RXD,	  UART,	   UARTC,	RSVD2,	   GMI,     RSVD4), +	PINI(UART3_CTS_N, UART,	   UARTC,	RSVD2,	   GMI,     RSVD4), +	PINI(UART3_RTS_N, UART,	   UARTC,	PWM0,	   GMI,     RSVD4), +	PINI(GPIO_PU0,	  UART,	   OWR,		UARTA,	   GMI,     RSVD4), +	PINI(GPIO_PU1,	  UART,	   RSVD1,	UARTA,	   GMI,     RSVD4), +	PINI(GPIO_PU2,	  UART,	   RSVD1,	UARTA,	   GMI,     RSVD4), +	PINI(GPIO_PU3,	  UART,	   PWM0,	UARTA,	   GMI,     RSVD4), +	PINI(GPIO_PU4,	  UART,	   PWM1,	UARTA,	   GMI,     RSVD4), +	PINI(GPIO_PU5,	  UART,	   PWM2,	UARTA,	   GMI,     RSVD4), +	PINI(GPIO_PU6,	  UART,	   PWM3,	UARTA,	   GMI,     RSVD4), +	PINI(GEN1_I2C_SDA, UART,   I2C1,	RSVD2,	   RSVD3,   RSVD4), +	PINI(GEN1_I2C_SCL, UART,   I2C1,	RSVD2,	   RSVD3,   RSVD4), +	PINI(DAP4_FS,	  UART,	   I2S3,	RSVD2,	   GMI,     RSVD4), +	PINI(DAP4_DIN,	  UART,	   I2S3,	RSVD2,	   GMI,     RSVD4), +	PINI(DAP4_DOUT,	  UART,	   I2S3,	RSVD2,	   GMI,     RSVD4), +	PINI(DAP4_SCLK,	  UART,	   I2S3,	RSVD2,	   GMI,     RSVD4), +	PINI(CLK3_OUT,	  UART,	   EXTPERIPH3,	RSVD2,	   RSVD3,   RSVD4), +	PINI(CLK3_REQ,	  UART,	   DEV3,	RSVD2,	   RSVD3,   RSVD4), +	PINI(GMI_WP_N,	  GMI,	   RSVD1,	NAND,	   GMI,     GMI_ALT), +	PINI(GMI_IORDY,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_WAIT,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_ADV_N,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_CLK,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_CS0_N,	  GMI,	   RSVD1,	NAND,	   GMI,     DTV), +	PINI(GMI_CS1_N,	  GMI,	   RSVD1,	NAND,	   GMI,     DTV), +	PINI(GMI_CS2_N,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_CS3_N,	  GMI,	   RSVD1,	NAND,	   GMI,     GMI_ALT), +	PINI(GMI_CS4_N,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_CS6_N,	  GMI,	   NAND,	NAND_ALT,  GMI,     SATA), +	PINI(GMI_CS7_N,	  GMI,	   NAND,	NAND_ALT,  GMI,     GMI_ALT), +	PINI(GMI_AD0,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD1,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD2,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD3,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD4,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD5,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD6,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD7,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD8,	  GMI,	   PWM0,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD9,	  GMI,	   PWM1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD10,	  GMI,	   PWM2,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD11,	  GMI,	   PWM3,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD12,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD13,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD14,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_AD15,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_A16,	  GMI,	   UARTD,	SPI4,	   GMI,     GMI_ALT), +	PINI(GMI_A17,	  GMI,	   UARTD,	SPI4,	   GMI,     DTV), +	PINI(GMI_A18,	  GMI,	   UARTD,	SPI4,	   GMI,     DTV), +	PINI(GMI_A19,	  GMI,	   UARTD,	SPI4,	   GMI,     RSVD4), +	PINI(GMI_WR_N,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_OE_N,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_DQS,	  GMI,	   RSVD1,	NAND,	   GMI,     RSVD4), +	PINI(GMI_RST_N,	  GMI,	   NAND,	NAND_ALT,  GMI,     RSVD4), +	PINI(GEN2_I2C_SCL, GMI,	   I2C2,	HDCP,	   GMI,     RSVD4), +	PINI(GEN2_I2C_SDA, GMI,    I2C2,	HDCP,	   GMI,     RSVD4), +	PINI(SDMMC4_CLK,  SDMMC4,   RSVD1,	NAND,	   GMI,     SDMMC4), +	PINI(SDMMC4_CMD,  SDMMC4,   I2C3,	NAND,	   GMI,     SDMMC4), +	PINI(SDMMC4_DAT0, SDMMC4,   UARTE,	SPI3,	   GMI,     SDMMC4), +	PINI(SDMMC4_DAT1, SDMMC4,   UARTE,	SPI3,	   GMI,     SDMMC4), +	PINI(SDMMC4_DAT2, SDMMC4,   UARTE,	SPI3,	   GMI,     SDMMC4), +	PINI(SDMMC4_DAT3, SDMMC4,   UARTE,	SPI3,	   GMI,     SDMMC4), +	PINI(SDMMC4_DAT4, SDMMC4,   I2C3,	I2S4,	   GMI,     SDMMC4), +	PINI(SDMMC4_DAT5, SDMMC4,   VGP3,	I2S4,	   GMI,     SDMMC4), +	PINI(SDMMC4_DAT6, SDMMC4,   VGP4,	I2S4,	   GMI,     SDMMC4), +	PINI(SDMMC4_DAT7, SDMMC4,   VGP5,	I2S4,	   GMI,     SDMMC4), +	PINI(SDMMC4_RST_N, SDMMC4,  VGP6,	RSVD2,	   RSVD3,   SDMMC4), +	PINI(CAM_MCLK,	  CAM,	   VI,		RSVD2,	   VI_ALT2, SDMMC4), +	PINI(GPIO_PCC1,	  CAM,	   I2S4,	RSVD2,	   RSVD3,   SDMMC4), +	PINI(GPIO_PBB0,	  CAM,	   I2S4,	RSVD2,	   RSVD3,   SDMMC4), +	PINI(CAM_I2C_SCL, CAM,	   VGP1,	I2C3,	   RSVD3,   SDMMC4), +	PINI(CAM_I2C_SDA, CAM,	   VGP2,	I2C3,	   RSVD3,   SDMMC4), +	PINI(GPIO_PBB3,	  CAM,	   VGP3,	DISPA,	   DISPB,   SDMMC4), +	PINI(GPIO_PBB4,	  CAM,	   VGP4,	DISPA,	   DISPB,   SDMMC4), +	PINI(GPIO_PBB5,	  CAM,	   VGP5,	DISPA,	   DISPB,   SDMMC4), +	PINI(GPIO_PBB6,	  CAM,	   VGP6,	DISPA,	   DISPB,   SDMMC4), +	PINI(GPIO_PBB7,	  CAM,	   I2S4,	RSVD2,	   RSVD3,   SDMMC4), +	PINI(GPIO_PCC2,	  CAM,	   I2S4,	RSVD2,	   RSVD3,   RSVD4), +	PINI(JTAG_RTCK,	  SYS,	   RTCK,	RSVD2,	   RSVD3,   RSVD4), +	PINI(PWR_I2C_SCL, SYS,	   I2CPWR,	RSVD2,	   RSVD3,   RSVD4), +	PINI(PWR_I2C_SDA, SYS,	   I2CPWR,	RSVD2,	   RSVD3,   RSVD4), +	PINI(KB_ROW0,	  SYS,	   KBC,		NAND,	   RSVD3,   RSVD4), +	PINI(KB_ROW1,	  SYS,	   KBC,		NAND,	   RSVD3,   RSVD4), +	PINI(KB_ROW2,	  SYS,	   KBC,		NAND,	   RSVD3,   RSVD4), +	PINI(KB_ROW3,	  SYS,	   KBC,		NAND,	   RSVD3,   RSVD4), +	PINI(KB_ROW4,	  SYS,	   KBC,		NAND,	   TRACE,   RSVD4), +	PINI(KB_ROW5,	  SYS,	   KBC,		NAND,	   TRACE,   OWR), +	PINI(KB_ROW6,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW7,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW8,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW9,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW10,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW11,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW12,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW13,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW14,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_ROW15,	  SYS,	   KBC,		NAND,	   SDMMC2,  MIO), +	PINI(KB_COL0,	  SYS,	   KBC,		NAND,	   TRACE,   TEST), +	PINI(KB_COL1,	  SYS,	   KBC,		NAND,	   TRACE,   TEST), +	PINI(KB_COL2,	  SYS,	   KBC,		NAND,	   TRACE,   RSVD4), +	PINI(KB_COL3,	  SYS,	   KBC,		NAND,	   TRACE,   RSVD4), +	PINI(KB_COL4,	  SYS,	   KBC,		NAND,	   TRACE,   RSVD4), +	PINI(KB_COL5,	  SYS,	   KBC,		NAND,	   TRACE,   RSVD4), +	PINI(KB_COL6,	  SYS,	   KBC,		NAND,	   TRACE,   MIO), +	PINI(KB_COL7,	  SYS,	   KBC,		NAND,	   TRACE,   MIO), +	PINI(CLK_32K_OUT, SYS,	   BLINK,	RSVD2,	   RSVD3,   RSVD4), +	PINI(SYS_CLK_REQ, SYS,	   SYSCLK,	RSVD2,	   RSVD3,   RSVD4), +	PINI(CORE_PWR_REQ, SYS,	   CORE_PWR_REQ, RSVD2,	   RSVD3,   RSVD4), +	PINI(CPU_PWR_REQ, SYS,	   CPU_PWR_REQ,	RSVD2,	   RSVD3,   RSVD4), +	PINI(PWR_INT_N,	  SYS,	   PWR_INT_N,	RSVD2,	   RSVD3,   RSVD4), +	PINI(CLK_32K_IN,  SYS,	   CLK_32K_IN,	RSVD2,	   RSVD3,   RSVD4), +	PINI(OWR,	  SYS,	   OWR,		CEC,	   RSVD3,   RSVD4), +	PINI(DAP1_FS,	  AUDIO,   I2S0,	HDA,	   GMI,     SDMMC2), +	PINI(DAP1_DIN,	  AUDIO,   I2S0,	HDA,	   GMI,     SDMMC2), +	PINI(DAP1_DOUT,	  AUDIO,   I2S0,	HDA,	   GMI,     SDMMC2), +	PINI(DAP1_SCLK,	  AUDIO,   I2S0,	HDA,	   GMI,     SDMMC2), +	PINI(CLK1_REQ,	  AUDIO,   DAP,		HDA,	   RSVD3,   RSVD4), +	PINI(CLK1_OUT,	  AUDIO,   EXTPERIPH1,	RSVD2,	   RSVD3,   RSVD4), +	PINI(SPDIF_IN,	  AUDIO,   SPDIF,	HDA,	   I2C1,    SDMMC2), +	PINI(SPDIF_OUT,	  AUDIO,   SPDIF,	RSVD2,	   I2C1,    SDMMC2), +	PINI(DAP2_FS,	  AUDIO,   I2S1,	HDA,	   RSVD3,   GMI), +	PINI(DAP2_DIN,	  AUDIO,   I2S1,	HDA,	   RSVD3,   GMI), +	PINI(DAP2_DOUT,	  AUDIO,   I2S1,	HDA,	   RSVD3,   GMI), +	PINI(DAP2_SCLK,	  AUDIO,   I2S1,	HDA,	   RSVD3,   GMI), +	PINI(SPI2_MOSI,	  AUDIO,   SPI6,	SPI2,	   GMI,     GMI), +	PINI(SPI2_MISO,	  AUDIO,   SPI6,	SPI2,	   GMI,     GMI), +	PINI(SPI2_CS0_N,  AUDIO,   SPI6,	SPI2,	   GMI,     GMI), +	PINI(SPI2_SCK,	  AUDIO,   SPI6,	SPI2,	   GMI,     GMI), +	PINI(SPI1_MOSI,	  AUDIO,   SPI2,	SPI1,	   SPI2_ALT, GMI), +	PINI(SPI1_SCK,	  AUDIO,   SPI2,	SPI1,	   SPI2_ALT, GMI), +	PINI(SPI1_CS0_N,  AUDIO,   SPI2,	SPI1,	   SPI2_ALT, GMI), +	PINI(SPI1_MISO,	  AUDIO,   SPI3,	SPI1,	   SPI2_ALT, RSVD4), +	PINI(SPI2_CS1_N,  AUDIO,   SPI3,	SPI2,	   SPI2_ALT, I2C1), +	PINI(SPI2_CS2_N,  AUDIO,   SPI3,	SPI2,	   SPI2_ALT, I2C1), +	PINI(SDMMC3_CLK,  SDMMC3,  UARTA,	PWM2,	   SDMMC3,  SPI3), +	PINI(SDMMC3_CMD,  SDMMC3,  UARTA,	PWM3,	   SDMMC3,  SPI2), +	PINI(SDMMC3_DAT0, SDMMC3,  RSVD1,	RSVD2,	   SDMMC3,  SPI3), +	PINI(SDMMC3_DAT1, SDMMC3,  RSVD1,	RSVD2,	   SDMMC3,  SPI3), +	PINI(SDMMC3_DAT2, SDMMC3,  RSVD1,	PWM1,	   SDMMC3,  SPI3), +	PINI(SDMMC3_DAT3, SDMMC3,  RSVD1,	PWM0,	   SDMMC3,  SPI3), +	PINI(SDMMC3_DAT4, SDMMC3,  PWM1,	SPI4,	   SDMMC3,  SPI2), +	PINI(SDMMC3_DAT5, SDMMC3,  PWM0,	SPI4,	   SDMMC3,  SPI2), +	PINI(SDMMC3_DAT6, SDMMC3,  SPDIF,	SPI4,	   SDMMC3,  SPI2), +	PINI(SDMMC3_DAT7, SDMMC3,  SPDIF,	SPI4,	   SDMMC3,  SPI2), +	PINI(PEX_L0_PRSNT_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_L0_RST_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_L0_CLKREQ_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_WAKE_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_L1_PRSNT_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_L1_RST_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_L1_CLKREQ_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_L2_PRSNT_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_L2_RST_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(PEX_L2_CLKREQ_N,	PEXCTL,   PCIE,	HDA,	   RSVD3,   RSVD4), +	PINI(HDMI_CEC,		SYS,      CEC,	RSVD2,	   RSVD3,   RSVD4), +}; + +void pinmux_set_tristate(enum pmux_pingrp pin, int enable) +{ +	struct pmux_tri_ctlr *pmt = +			(struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; +	u32 *tri = &pmt->pmt_ctl[pin]; +	u32 reg; + +	/* Error check on pin */ +	assert(pmux_pingrp_isvalid(pin)); + +	reg = readl(tri); +	if (enable) +		reg |= PMUX_TRISTATE_MASK; +	else +		reg &= ~PMUX_TRISTATE_MASK; +	writel(reg, tri); +} + +void pinmux_tristate_enable(enum pmux_pingrp pin) +{ +	pinmux_set_tristate(pin, 1); +} + +void pinmux_tristate_disable(enum pmux_pingrp pin) +{ +	pinmux_set_tristate(pin, 0); +} + +void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd) +{ +	struct pmux_tri_ctlr *pmt = +			(struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; +	u32 *pull = &pmt->pmt_ctl[pin]; +	u32 reg; + +	/* Error check on pin and pupd */ +	assert(pmux_pingrp_isvalid(pin)); +	assert(pmux_pin_pupd_isvalid(pupd)); + +	reg = readl(pull); +	reg &= ~(0x3 << PMUX_PULL_SHIFT); +	reg |= (pupd << PMUX_PULL_SHIFT); +	writel(reg, pull); +} + +void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func) +{ +	struct pmux_tri_ctlr *pmt = +			(struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; +	u32 *muxctl = &pmt->pmt_ctl[pin]; +	int i, mux = -1; +	u32 reg; + +	/* Error check on pin and func */ +	assert(pmux_pingrp_isvalid(pin)); +	assert(pmux_func_isvalid(func)); + +	/* Handle special values */ +	if (func == PMUX_FUNC_SAFE) +		func = tegra_soc_pingroups[pin].func_safe; + +	if (func & PMUX_FUNC_RSVD1) { +		mux = func & 0x3; +	} else { +		/* Search for the appropriate function */ +		for (i = 0; i < 4; i++) { +			if (tegra_soc_pingroups[pin].funcs[i] == func) { +				mux = i; +				break; +			} +		} +	} +	assert(mux != -1); + +	reg = readl(muxctl); +	reg &= ~(0x3 << PMUX_MUXCTL_SHIFT); +	reg |= (mux << PMUX_MUXCTL_SHIFT); +	writel(reg, muxctl); + +} + +void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io) +{ +	struct pmux_tri_ctlr *pmt = +			(struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; +	u32 *pin_io = &pmt->pmt_ctl[pin]; +	u32 reg; + +	/* Error check on pin and io */ +	assert(pmux_pingrp_isvalid(pin)); +	assert(pmux_pin_io_isvalid(io)); + +	reg = readl(pin_io); +	reg &= ~(0x1 << PMUX_IO_SHIFT); +	reg |= (io & 0x1) << PMUX_IO_SHIFT; +	writel(reg, pin_io); +} + +static int pinmux_set_lock(enum pmux_pingrp pin, enum pmux_pin_lock lock) +{ +	struct pmux_tri_ctlr *pmt = +			(struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; +	u32 *pin_lock = &pmt->pmt_ctl[pin]; +	u32 reg; + +	/* Error check on pin and lock */ +	assert(pmux_pingrp_isvalid(pin)); +	assert(pmux_pin_lock_isvalid(lock)); + +	if (lock == PMUX_PIN_LOCK_DEFAULT) +		return 0; + +	reg = readl(pin_lock); +	reg &= ~(0x1 << PMUX_LOCK_SHIFT); +	if (lock == PMUX_PIN_LOCK_ENABLE) +		reg |= (0x1 << PMUX_LOCK_SHIFT); +	else { +		/* lock == DISABLE, which isn't possible */ +		printf("%s: Warning: lock == %d, DISABLE is not allowed!\n", +			__func__, lock); +	} +	writel(reg, pin_lock); + +	return 0; +} + +static int pinmux_set_od(enum pmux_pingrp pin, enum pmux_pin_od od) +{ +	struct pmux_tri_ctlr *pmt = +			(struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; +	u32 *pin_od = &pmt->pmt_ctl[pin]; +	u32 reg; + +	/* Error check on pin and od */ +	assert(pmux_pingrp_isvalid(pin)); +	assert(pmux_pin_od_isvalid(od)); + +	if (od == PMUX_PIN_OD_DEFAULT) +		return 0; + +	reg = readl(pin_od); +	reg &= ~(0x1 << PMUX_OD_SHIFT); +	if (od == PMUX_PIN_OD_ENABLE) +		reg |= (0x1 << PMUX_OD_SHIFT); +	writel(reg, pin_od); + +	return 0; +} + +static int pinmux_set_ioreset(enum pmux_pingrp pin, +				enum pmux_pin_ioreset ioreset) +{ +	struct pmux_tri_ctlr *pmt = +			(struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; +	u32 *pin_ioreset = &pmt->pmt_ctl[pin]; +	u32 reg; + +	/* Error check on pin and ioreset */ +	assert(pmux_pingrp_isvalid(pin)); +	assert(pmux_pin_ioreset_isvalid(ioreset)); + +	if (ioreset == PMUX_PIN_IO_RESET_DEFAULT) +		return 0; + +	reg = readl(pin_ioreset); +	reg &= ~(0x1 << PMUX_IO_RESET_SHIFT); +	if (ioreset == PMUX_PIN_IO_RESET_ENABLE) +		reg |= (0x1 << PMUX_IO_RESET_SHIFT); +	writel(reg, pin_ioreset); + +	return 0; +} + +void pinmux_config_pingroup(struct pingroup_config *config) +{ +	enum pmux_pingrp pin = config->pingroup; + +	pinmux_set_func(pin, config->func); +	pinmux_set_pullupdown(pin, config->pull); +	pinmux_set_tristate(pin, config->tristate); +	pinmux_set_io(pin, config->io); +	pinmux_set_lock(pin, config->lock); +	pinmux_set_od(pin, config->od); +	pinmux_set_ioreset(pin, config->ioreset); +} + +void pinmux_config_table(struct pingroup_config *config, int len) +{ +	int i; + +	for (i = 0; i < len; i++) +		pinmux_config_pingroup(&config[i]); +} diff --git a/arch/arm/include/asm/arch-tegra/ap.h b/arch/arm/include/asm/arch-tegra/ap.h index 70d94c504..73dfd394d 100644 --- a/arch/arm/include/asm/arch-tegra/ap.h +++ b/arch/arm/include/asm/arch-tegra/ap.h @@ -23,67 +23,27 @@  #include <asm/types.h>  /* Stabilization delays, in usec */ -#define PLL_STABILIZATION_DELAY (300) +#define PLL_STABILIZATION_DELAY	(300)  #define IO_STABILIZATION_DELAY	(1000) -#define NVBL_PLLP_KHZ	(216000) -  #define PLLX_ENABLED		(1 << 30)  #define CCLK_BURST_POLICY	0x20008888  #define SUPER_CCLK_DIVIDER	0x80000000  /* Calculate clock fractional divider value from ref and target frequencies */ -#define CLK_DIVIDER(REF, FREQ)  ((((REF) * 2) / FREQ) - 2) +#define CLK_DIVIDER(REF, FREQ)	((((REF) * 2) / FREQ) - 2)  /* Calculate clock frequency value from reference and clock divider value */ -#define CLK_FREQUENCY(REF, REG)  (((REF) * 2) / (REG + 2)) +#define CLK_FREQUENCY(REF, REG)	(((REF) * 2) / (REG + 2))  /* AVP/CPU ID */  #define PG_UP_TAG_0_PID_CPU	0x55555555	/* CPU aka "a9" aka "mpcore" */ -#define PG_UP_TAG_0             0x0 +#define PG_UP_TAG_0		0x0  #define CORESIGHT_UNLOCK	0xC5ACCE55; -/* AP20-Specific Base Addresses */ - -/* AP20 Base physical address of SDRAM. */ -#define AP20_BASE_PA_SDRAM      0x00000000 -/* AP20 Base physical address of internal SRAM. */ -#define AP20_BASE_PA_SRAM       0x40000000 -/* AP20 Size of internal SRAM (256KB). */ -#define AP20_BASE_PA_SRAM_SIZE  0x00040000 -/* AP20 Base physical address of flash. */ -#define AP20_BASE_PA_NOR_FLASH  0xD0000000 -/* AP20 Base physical address of boot information table. */ -#define AP20_BASE_PA_BOOT_INFO  AP20_BASE_PA_SRAM - -/* - * Super-temporary stacks for EXTREMELY early startup. The values chosen for - * these addresses must be valid on ALL SOCs because this value is used before - * we are able to differentiate between the SOC types. - * - * NOTE: The since CPU's stack will eventually be moved from IRAM to SDRAM, its - *       stack is placed below the AVP stack. Once the CPU stack has been moved, - *       the AVP is free to use the IRAM the CPU stack previously occupied if - *       it should need to do so. - * - * NOTE: In multi-processor CPU complex configurations, each processor will have - *       its own stack of size CPU_EARLY_BOOT_STACK_SIZE. CPU 0 will have a - *       limit of CPU_EARLY_BOOT_STACK_LIMIT. Each successive CPU will have a - *       stack limit that is CPU_EARLY_BOOT_STACK_SIZE less then the previous - *       CPU. - */ - -/* Common AVP early boot stack limit */ -#define AVP_EARLY_BOOT_STACK_LIMIT	\ -	(AP20_BASE_PA_SRAM + (AP20_BASE_PA_SRAM_SIZE/2)) -/* Common AVP early boot stack size */ -#define AVP_EARLY_BOOT_STACK_SIZE	0x1000 -/* Common CPU early boot stack limit */ -#define CPU_EARLY_BOOT_STACK_LIMIT	\ -	(AVP_EARLY_BOOT_STACK_LIMIT - AVP_EARLY_BOOT_STACK_SIZE) -/* Common CPU early boot stack size */ -#define CPU_EARLY_BOOT_STACK_SIZE	0x1000 +/* AP base physical address of internal SRAM */ +#define NV_PA_BASE_SRAM		0x40000000  #define EXCEP_VECTOR_CPU_RESET_VECTOR	(NV_PA_EVP_BASE + 0x100)  #define CSITE_CPU_DBG0_LAR		(NV_PA_CSITE_BASE + 0x10FB0) |