diff options
89 files changed, 2106 insertions, 356 deletions
diff --git a/.checkpatch.conf b/.checkpatch.conf index 38386b354..d88af5712 100644 --- a/.checkpatch.conf +++ b/.checkpatch.conf @@ -15,3 +15,6 @@ # enable more tests --strict + +# Not Linux, so we don't recommend usleep_range() over udelay() +--ignore USLEEP_RANGE diff --git a/MAINTAINERS b/MAINTAINERS index 646997327..e131f8053 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -663,6 +663,7 @@ Fabio Estevam <fabio.estevam@freescale.com> mx53smd i.MX53 mx6qsabresd i.MX6Q mx6qsabreauto i.MX6Q + wandboard i.MX6DL/S Daniel Gorsulowski <daniel.gorsulowski@esd.eu> @@ -688,6 +689,10 @@ Stefan Herbrechtsmeier <stefan@code.herbrechtsmeier.net> dns325 ARM926EJS (Kirkwood SoC) +Lauri Hintsala <lauri.hintsala@bluegiga.com> + + apx4devkit i.MX28 + Vaibhav Hiremath <hvaibhav@ti.com> am3517_evm ARM ARMV7 (AM35x SoC) @@ -806,10 +811,6 @@ Linus Walleij <linus.walleij@linaro.org> integratorap various integratorcp various -Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com> - - apx4devkit i.MX28 - Luka Perkov <luka@openwrt.org> ib62x0 ARM926EJS @@ -104,9 +104,9 @@ while true ; do -s|--soc) # echo "Option SoC: argument \`$2'" if [ "$opt_s" ] ; then - opt_s="${opt_s%)} || \$6 == \"$2\")" + opt_s="${opt_s%)} || \$6 == \"$2\" || \$6 ~ /$2/)" else - opt_s="(\$6 == \"$2\")" + opt_s="(\$6 == \"$2\" || \$6 ~ /$2/)" fi SELECTED='y' shift 2 ;; diff --git a/arch/arm/cpu/arm1176/bcm2835/timer.c b/arch/arm/cpu/arm1176/bcm2835/timer.c index d232d7e06..2edd6711d 100644 --- a/arch/arm/cpu/arm1176/bcm2835/timer.c +++ b/arch/arm/cpu/arm1176/bcm2835/timer.c @@ -23,7 +23,7 @@ int timer_init(void) return 0; } -ulong get_timer(ulong base) +ulong get_timer_us(ulong base) { struct bcm2835_timer_regs *regs = (struct bcm2835_timer_regs *)BCM2835_TIMER_PHYSADDR; @@ -31,6 +31,14 @@ ulong get_timer(ulong base) return readl(®s->clo) - base; } +ulong get_timer(ulong base) +{ + ulong us = get_timer_us(0); + us /= (1000000 / CONFIG_SYS_HZ); + us -= base; + return us; +} + unsigned long long get_ticks(void) { return get_timer(0); @@ -46,10 +54,10 @@ void __udelay(unsigned long usec) ulong endtime; signed long diff; - endtime = get_timer(0) + usec; + endtime = get_timer_us(0) + usec; do { - ulong now = get_timer(0); + ulong now = get_timer_us(0); diff = endtime - now; } while (diff >= 0); } diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c index fdac73cfa..bc2d69c85 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c @@ -46,17 +46,17 @@ static uint32_t dram_vals[] = { 0x00000000, 0x00000000, 0x00010101, 0x01010101, 0x000f0f01, 0x0f02020a, 0x00000000, 0x00010101, 0x00000100, 0x00000100, 0x00000000, 0x00000002, - 0x01010000, 0x05060302, 0x06005003, 0x0a0000c8, - 0x02009c40, 0x0000030c, 0x0036a609, 0x031a0612, + 0x01010000, 0x07080403, 0x06005003, 0x0a0000c8, + 0x02009c40, 0x0002030c, 0x0036a609, 0x031a0612, 0x02030202, 0x00c8001c, 0x00000000, 0x00000000, 0x00012100, 0xffff0303, 0x00012100, 0xffff0303, 0x00012100, 0xffff0303, 0x00012100, 0xffff0303, 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000612, 0x01000F02, - 0x06120612, 0x00000200, 0x00020007, 0xf5014b27, - 0xf5014b27, 0xf5014b27, 0xf5014b27, 0x07000300, - 0x07000300, 0x07000300, 0x07000300, 0x00000006, + 0x06120612, 0x00000200, 0x00020007, 0xf4004a27, + 0xf4004a27, 0xf4004a27, 0xf4004a27, 0x07000300, + 0x07000300, 0x07400300, 0x07400300, 0x00000005, 0x00000000, 0x00000000, 0x01000000, 0x01020408, 0x08040201, 0x000f1133, 0x00000000, 0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04, @@ -77,14 +77,14 @@ static uint32_t dram_vals[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00010000, 0x00020304, - 0x00000004, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00010000, 0x00030404, + 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x01010000, 0x01000000, 0x03030000, 0x00010303, 0x01020202, 0x00000000, 0x02040303, 0x21002103, 0x00061200, - 0x06120612, 0x04320432, 0x04320432, 0x00040004, + 0x06120612, 0x04420442, 0x04420442, 0x00040004, 0x00040004, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00010001 + 0x00000000, 0xffffffff /* * i.MX23 DDR at 133MHz diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c index 5f6d0396f..8748c145c 100644 --- a/arch/arm/cpu/armv7/cache_v7.c +++ b/arch/arm/cpu/armv7/cache_v7.c @@ -340,6 +340,9 @@ void mmu_page_table_flush(unsigned long start, unsigned long stop) { } +void arm_init_domains(void) +{ +} #endif /* #ifndef CONFIG_SYS_DCACHE_OFF */ #ifndef CONFIG_SYS_ICACHE_OFF diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 193ba1240..2ea8ca3bd 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -61,6 +61,18 @@ u32 get_cpu_rev(void) return (type << 12) | (reg + 0x10); } +#ifdef CONFIG_REVISION_TAG +u32 __weak get_board_rev(void) +{ + u32 cpurev = get_cpu_rev(); + u32 type = ((cpurev >> 12) & 0xff); + if (type == MXC_CPU_MX6SOLO) + cpurev = (MXC_CPU_MX6DL) << 12 | (cpurev & 0xFFF); + + return cpurev; +} +#endif + void init_aips(void) { struct aipstz_regs *aips1, *aips2; diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c index 05ff2e868..70d16a816 100644 --- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c +++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c @@ -34,6 +34,12 @@ #include <asm/emif.h> #include <asm/omap_common.h> #include <linux/compiler.h> +#include <asm/cache.h> +#include <asm/system.h> + +#define ARMV7_DCACHE_WRITEBACK 0xe +#define ARMV7_DOMAIN_CLIENT 1 +#define ARMV7_DOMAIN_MASK (0x3 << 0) DECLARE_GLOBAL_DATA_PTR; @@ -269,4 +275,33 @@ void enable_caches(void) /* Enable D-cache. I-cache is already enabled in start.S */ dcache_enable(); } + +void dram_bank_mmu_setup(int bank) +{ + bd_t *bd = gd->bd; + int i; + + u32 start = bd->bi_dram[bank].start >> 20; + u32 size = bd->bi_dram[bank].size >> 20; + u32 end = start + size; + + debug("%s: bank: %d\n", __func__, bank); + for (i = start; i < end; i++) + set_section_dcache(i, ARMV7_DCACHE_WRITEBACK); + +} + +void arm_init_domains(void) +{ + u32 reg; + + reg = get_dacr(); + /* + * Set DOMAIN to client access so that all permissions + * set in pagetables are validated by the mmu. + */ + reg &= ~ARMV7_DOMAIN_MASK; + reg |= ARMV7_DOMAIN_CLIENT; + set_dacr(reg); +} #endif diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index c0e184994..36a4c3cfd 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -254,7 +254,6 @@ ENTRY(c_runtime_cpu_setup) #if !defined(CONFIG_TEGRA) /* Set vector address in CP15 VBAR register */ ldr r0, =_start - add r0, r0, r9 mcr p15, 0, r0, c12, c0, 0 @Set VBAR #endif /* !Tegra */ diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile index 6309fcdfe..428a57e1c 100644 --- a/arch/arm/imx-common/Makefile +++ b/arch/arm/imx-common/Makefile @@ -32,6 +32,7 @@ COBJS-y = iomux-v3.o timer.o cpu.o speed.o COBJS-$(CONFIG_I2C_MXC) += i2c-mxv7.o endif COBJS-$(CONFIG_CMD_BMODE) += cmd_bmode.o +COBJS-$(CONFIG_CMD_HDMIDETECT) += cmd_hdmidet.o COBJS := $(sort $(COBJS-y)) SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/arch/arm/imx-common/cmd_hdmidet.c b/arch/arm/imx-common/cmd_hdmidet.c new file mode 100644 index 000000000..794bf50cb --- /dev/null +++ b/arch/arm/imx-common/cmd_hdmidet.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2012 Boundary Devices Inc. + * + * 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 <common.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/io.h> + +static int do_hdmidet(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; + u8 reg = readb(&hdmi->phy_stat0) & HDMI_PHY_HPD; + return (reg&HDMI_PHY_HPD) ? 0 : 1; +} + +U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet, + "detect HDMI monitor", + "" +); diff --git a/arch/arm/imx-common/timer.c b/arch/arm/imx-common/timer.c index ab37d641e..1dbc413d4 100644 --- a/arch/arm/imx-common/timer.c +++ b/arch/arm/imx-common/timer.c @@ -48,9 +48,6 @@ static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR; DECLARE_GLOBAL_DATA_PTR; -#define timestamp (gd->arch.tbl) -#define lastinc (gd->arch.lastinc) - static inline unsigned long long tick_to_time(unsigned long long tick) { tick *= CONFIG_SYS_HZ; @@ -70,7 +67,6 @@ static inline unsigned long long us_to_tick(unsigned long long usec) int timer_init(void) { int i; - ulong val; /* setup GP Timer 1 */ __raw_writel(GPTCR_SWR, &cur_gpt->control); @@ -85,9 +81,8 @@ int timer_init(void) i = __raw_readl(&cur_gpt->control); __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control); - val = __raw_readl(&cur_gpt->counter); - lastinc = val / (MXC_CLK32 / CONFIG_SYS_HZ); - timestamp = 0; + gd->arch.tbl = __raw_readl(&cur_gpt->counter); + gd->arch.tbu = 0; return 0; } @@ -96,18 +91,11 @@ unsigned long long get_ticks(void) { ulong now = __raw_readl(&cur_gpt->counter); /* current tick value */ - if (now >= lastinc) { - /* - * normal mode (non roll) - * move stamp forward with absolut diff ticks - */ - timestamp += (now - lastinc); - } else { - /* we have rollover of incrementer */ - timestamp += (0xFFFFFFFF - lastinc) + now; - } - lastinc = now; - return timestamp; + /* increment tbu if tbl has rolled over */ + if (now < gd->arch.tbl) + gd->arch.tbu++; + gd->arch.tbl = now; + return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl; } ulong get_timer_masked(void) diff --git a/arch/arm/include/asm/arch-bcm2835/timer.h b/arch/arm/include/asm/arch-bcm2835/timer.h index 30c70e03d..c2001b6f9 100644 --- a/arch/arm/include/asm/arch-bcm2835/timer.h +++ b/arch/arm/include/asm/arch-bcm2835/timer.h @@ -34,4 +34,6 @@ struct bcm2835_timer_regs { #define BCM2835_TIMER_CS_M1 (1 << 1) #define BCM2835_TIMER_CS_M0 (1 << 0) +extern ulong get_timer_us(ulong base); + #endif diff --git a/arch/arm/include/asm/arch-mx6/mx6dl_pins.h b/arch/arm/include/asm/arch-mx6/mx6dl_pins.h index 9494e4126..9846f1bcb 100644 --- a/arch/arm/include/asm/arch-mx6/mx6dl_pins.h +++ b/arch/arm/include/asm/arch-mx6/mx6dl_pins.h @@ -50,6 +50,8 @@ #define NO_MUX_I 0 #define NO_PAD_I 0 enum { + MX6_PAD_CSI0_DAT10__UART1_TXD = IOMUX_PAD(0x0360, 0x004C, 3, 0x0000, 0, 0), + MX6_PAD_CSI0_DAT11__UART1_RXD = IOMUX_PAD(0x0364, 0x0050, 3, 0x08FC, 1, 0), MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK = IOMUX_PAD(0x03B0, 0x009C, 0, 0x0000, 0, PAD_CTL_DSE_120ohm), MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 = IOMUX_PAD(0x03B4, 0x00A0, 0, 0x0000, 0, PAD_CTL_DSE_120ohm), MX6_PAD_DI0_PIN2__IPU1_DI0_PIN2 = IOMUX_PAD(0x03B8, 0x00A4, 0, 0x0000, 0, PAD_CTL_DSE_120ohm), @@ -90,6 +92,7 @@ enum { MX6_PAD_EIM_D27__UART2_RXD = IOMUX_PAD(0x0540, 0x0170, 4, 0x0904, 1, 0), MX6_PAD_EIM_D28__I2C1_SDA = IOMUX_PAD(0x0544, 0x0174, 1 | IOMUX_CONFIG_SION, 0x086C, 1, 0), MX6_PAD_EIM_D28__GPIO_3_28 = IOMUX_PAD(0x0544, 0x0174, 5, 0x0000, 0, 0), + MX6_PAD_EIM_D29__GPIO_3_29 = IOMUX_PAD(0x0548, 0x0178, 5, 0x0000, 0, 0), MX6_PAD_ENET_MDC__ENET_MDC = IOMUX_PAD(0x05B8, 0x01E8, 1, 0x0000, 0, 0), MX6_PAD_ENET_MDIO__ENET_MDIO = IOMUX_PAD(0x05BC, 0x01EC, 1, 0x0810, 0, 0), MX6_PAD_ENET_REF_CLK__ENET_TX_CLK = IOMUX_PAD(0x05C0, 0x01F0, 1, 0x0000, 0, 0), diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h index eef6a5a8f..815348489 100644 --- a/arch/arm/include/asm/cache.h +++ b/arch/arm/include/asm/cache.h @@ -41,7 +41,9 @@ static inline void invalidate_l2_cache(void) void l2_cache_enable(void); void l2_cache_disable(void); +void set_section_dcache(int section, enum dcache_option option); +void dram_bank_mmu_setup(int bank); /* * The current upper bound for ARM L1 data cache line sizes is 64 bytes. We * use that value for aligning DMA buffers unless the board config has specified diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 1918492ea..760345f84 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -81,6 +81,20 @@ static inline void set_cr(unsigned int val) isb(); } +static inline unsigned int get_dacr(void) +{ + unsigned int val; + asm("mrc p15, 0, %0, c3, c0, 0 @ get DACR" : "=r" (val) : : "cc"); + return val; +} + +static inline void set_dacr(unsigned int val) +{ + asm volatile("mcr p15, 0, %0, c3, c0, 0 @ set DACR" + : : "r" (val) : "cc"); + isb(); +} + /* options available for data cache on each page */ enum dcache_option { DCACHE_OFF = 0x12, diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c index b6e5e9553..4abe1cf06 100644 --- a/arch/arm/lib/cache-cp15.c +++ b/arch/arm/lib/cache-cp15.c @@ -23,6 +23,8 @@ #include <common.h> #include <asm/system.h> +#include <asm/cache.h> +#include <linux/compiler.h> #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) @@ -34,6 +36,10 @@ void __arm_init_before_mmu(void) void arm_init_before_mmu(void) __attribute__((weak, alias("__arm_init_before_mmu"))); +__weak void arm_init_domains(void) +{ +} + static void cp_delay (void) { volatile int i; @@ -77,7 +83,7 @@ void mmu_set_region_dcache_behaviour(u32 start, int size, mmu_page_table_flush((u32)&page_table[start], (u32)&page_table[end]); } -static inline void dram_bank_mmu_setup(int bank) +__weak void dram_bank_mmu_setup(int bank) { bd_t *bd = gd->bd; int i; @@ -115,6 +121,9 @@ static inline void mmu_setup(void) /* Set the access control to all-supervisor */ asm volatile("mcr p15, 0, %0, c3, c0, 0" : : "r" (~0)); + + arm_init_domains(); + /* and enable the mmu */ reg = get_cr(); /* get control reg. */ cp_delay(); diff --git a/arch/x86/lib/board.c b/arch/x86/lib/board.c index 452e5d826..f372898f6 100644 --- a/arch/x86/lib/board.c +++ b/arch/x86/lib/board.c @@ -164,13 +164,13 @@ init_fnc_t *init_sequence_r[] = { #ifndef CONFIG_SYS_NO_FLASH flash_init_r, #endif -#ifdef CONFIG_SPI - init_func_spi; -#endif - env_relocate_r, #ifdef CONFIG_PCI pci_init_r, #endif +#ifdef CONFIG_SPI + init_func_spi, +#endif + env_relocate_r, stdio_init, jumptable_init_r, console_init_r, diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c index 229c23783..cc071d6d3 100644 --- a/board/boundary/nitrogen6x/nitrogen6x.c +++ b/board/boundary/nitrogen6x/nitrogen6x.c @@ -304,6 +304,9 @@ int board_mmc_init(bd_t *bis) usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + usdhc_cfg[0].max_bus_width = 4; + usdhc_cfg[1].max_bus_width = 4; + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: @@ -328,11 +331,6 @@ int board_mmc_init(bd_t *bis) } #endif -u32 get_board_rev(void) -{ - return 0x63000; -} - #ifdef CONFIG_MXC_SPI iomux_v3_cfg_t const ecspi1_pads[] = { /* SS1 */ diff --git a/board/chromebook-x86/dts/link.dts b/board/chromebook-x86/dts/link.dts index ae8217d02..d0738cbf4 100644 --- a/board/chromebook-x86/dts/link.dts +++ b/board/chromebook-x86/dts/link.dts @@ -21,4 +21,15 @@ chosen { }; memory { device_type = "memory"; reg = <0 0>; }; + + spi { + #address-cells = <1>; + #size-cells = <0>; + compatible = "intel,ich9"; + spi-flash@0 { + reg = <0>; + compatible = "winbond,w25q64", "spi-flash"; + memory-map = <0xff800000 0x00800000>; + }; + }; }; diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c index 91cc0073b..aec3286e2 100644 --- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c +++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c @@ -26,6 +26,7 @@ #include <asm/errno.h> #include <asm/gpio.h> #include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> #include <mmc.h> #include <fsl_esdhc.h> #include <miiphy.h> @@ -216,6 +217,23 @@ int board_init(void) return 0; } +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + + return 0; +} + int checkboard(void) { int rev = mx6sabre_rev(); diff --git a/board/freescale/mx6qsabrelite/README b/board/freescale/mx6qsabrelite/README index 6f2f5343d..12a9c856c 100644 --- a/board/freescale/mx6qsabrelite/README +++ b/board/freescale/mx6qsabrelite/README @@ -40,7 +40,7 @@ enter the following commands: MX6Q SABRELITE U-Boot > mmc dev 0 MX6Q SABRELITE U-Boot > mmc read 0x10800000 0 200 - MX6Q SABRELITE U-Boot > sf probe 1 + MX6Q SABRELITE U-Boot > sf probe MX6Q SABRELITE U-Boot > sf erase 0 0x40000 MX6Q SABRELITE U-Boot > sf write 0x10800000 0 0x40000 @@ -63,7 +63,7 @@ https://wiki.linaro.org/Boards/MX6QSabreLite To build U-Boot for the SabreLite board: make mx6qsabrelite_config - make u-boot.imx + make To copy the resulting u-boot.imx to the SD card: diff --git a/board/freescale/mx6qsabrelite/mx6qsabrelite.c b/board/freescale/mx6qsabrelite/mx6qsabrelite.c index 5b69a6d2d..9f9cac82c 100644 --- a/board/freescale/mx6qsabrelite/mx6qsabrelite.c +++ b/board/freescale/mx6qsabrelite/mx6qsabrelite.c @@ -274,6 +274,9 @@ int board_mmc_init(bd_t *bis) usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + usdhc_cfg[0].max_bus_width = 4; + usdhc_cfg[1].max_bus_width = 4; + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: @@ -298,11 +301,6 @@ int board_mmc_init(bd_t *bis) } #endif -u32 get_board_rev(void) -{ - return 0x63000 ; -} - #ifdef CONFIG_MXC_SPI iomux_v3_cfg_t const ecspi1_pads[] = { /* SS1 */ diff --git a/board/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c index 2b3926aaf..0d7cb9efd 100644 --- a/board/freescale/mx6qsabresd/mx6qsabresd.c +++ b/board/freescale/mx6qsabresd/mx6qsabresd.c @@ -26,10 +26,12 @@ #include <asm/errno.h> #include <asm/gpio.h> #include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> #include <mmc.h> #include <fsl_esdhc.h> #include <miiphy.h> #include <netdev.h> + DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ @@ -145,21 +147,34 @@ struct fsl_esdhc_cfg usdhc_cfg[3] = { int board_mmc_getcd(struct mmc *mmc) { struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret = 0; switch (cfg->esdhc_base) { case USDHC2_BASE_ADDR: - return !gpio_get_value(USDHC2_CD_GPIO); + ret = !gpio_get_value(USDHC2_CD_GPIO); + break; case USDHC3_BASE_ADDR: - return !gpio_get_value(USDHC3_CD_GPIO); - default: - return 1; /* eMMC/uSDHC4 is always present */ + ret = !gpio_get_value(USDHC3_CD_GPIO); + break; + case USDHC4_BASE_ADDR: + ret = 1; /* eMMC/uSDHC4 is always present */ + break; } + + return ret; } int board_mmc_init(bd_t *bis) { int i; + /* + * According to the board_mmc_init() the following map is done: + * (U-boot device node) (Physical Port) + * mmc0 SD2 + * mmc1 SD3 + * mmc2 eMMC + */ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { switch (i) { case 0: @@ -239,11 +254,6 @@ int board_eth_init(bd_t *bis) return 0; } -u32 get_board_rev(void) -{ - return 0x63000; -} - int board_early_init_f(void) { setup_iomux_uart(); @@ -259,6 +269,26 @@ int board_init(void) return 0; } +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, + {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, + /* 8 bit bus width */ + {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + + return 0; +} + int checkboard(void) { puts("Board: MX6Q-SabreSD\n"); diff --git a/board/wandboard/Makefile b/board/wandboard/Makefile new file mode 100644 index 000000000..014ea6c1f --- /dev/null +++ b/board/wandboard/Makefile @@ -0,0 +1,29 @@ +# +# (C) Copyright 2013 Freescale Semiconductor, Inc. +# +# 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. +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := wandboard.o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/wandboard/README b/board/wandboard/README new file mode 100644 index 000000000..e0b0b3302 --- /dev/null +++ b/board/wandboard/README @@ -0,0 +1,40 @@ +U-Boot for Wandboard +-------------------- + +This file contains information for the port of U-Boot to the Wandboard. + +Wandboard is a development board that has two variants: one version based +on mx6 dual lite and another one based on mx6 solo. + +For more details about Wandboard, please refer to: +http://www.wandboard.org/ + +Building U-boot for Wandboard +----------------------------- + +To build U-Boot for the Wandboard Dual Lite version: + +$ make wanboard_dl_config +$ make + +To build U-Boot for the Wandboard Solo version: + +$ make wanboard_solo_config +$ make + +Flashing U-boot into the SD card +-------------------------------- + +- After the 'make' command completes, the generated 'u-boot.imx' binary must be +flashed into the SD card; + +$ sudo dd if=u-boot.imx of=/dev/mmcblk0 bs=512 seek=2; sync + +(Note - the SD card node may vary, so adjust this as needed). + +- Insert the SD card into the slot located in the bottom of the board (same side +as the mx6 processor) + +- Connect the serial cable to the host PC + +- Power up the board and U-boot messages will appear in the serial console. diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c new file mode 100644 index 000000000..ac7b89aae --- /dev/null +++ b/board/wandboard/wandboard.c @@ -0,0 +1,178 @@ +/* + * Copyright (C) 2013 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam <fabio.estevam@freescale.com> + * + * 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. + */ + +#include <asm/arch/clock.h> +#include <asm/arch/iomux.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/io.h> +#include <asm/sizes.h> +#include <common.h> +#include <fsl_esdhc.h> +#include <mmc.h> +#include <miiphy.h> +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define ETH_PHY_RESET IMX_GPIO_NR(3, 29) + +int dram_init(void) +{ + gd->ram_size = CONFIG_DDR_MB * SZ_1M; + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_CSI0_DAT10__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT11__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const usdhc3_pads[] = { + MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +static iomux_v3_cfg_t const enet_pads[] = { + MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TXC__ENET_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD0__ENET_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD1__ENET_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD2__ENET_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD3__ENET_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RXC__ENET_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD0__ENET_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD1__ENET_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD2__ENET_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD3__ENET_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), + /* AR8031 PHY Reset */ + MX6_PAD_EIM_D29__GPIO_3_29 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +static void setup_iomux_enet(void) +{ + imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); + + /* Reset AR8031 PHY */ + gpio_direction_output(ETH_PHY_RESET, 0); + udelay(500); + gpio_set_value(ETH_PHY_RESET, 1); +} + +static struct fsl_esdhc_cfg usdhc_cfg[1] = { + {USDHC3_BASE_ADDR}, +}; + +int board_mmc_init(bd_t *bis) +{ + imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[0].max_bus_width = 4; + + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} + +static int mx6_rgmii_rework(struct phy_device *phydev) +{ + unsigned short val; + + /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); + + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= 0xffe3; + val |= 0x18; + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* introduce tx clock delay */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); + val |= 0x0100; + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + mx6_rgmii_rework(phydev); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int ret; + + setup_iomux_enet(); + + ret = cpu_eth_init(bis); + if (ret) + printf("FEC MXC: %s:failed\n", __func__); + + return 0; +} + +int board_early_init_f(void) +{ + setup_iomux_uart(); + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int checkboard(void) +{ + puts("Board: Wandboard\n"); + + return 0; +} diff --git a/boards.cfg b/boards.cfg index 5fc70be8f..d7bda3663 100644 --- a/boards.cfg +++ b/boards.cfg @@ -196,7 +196,8 @@ mx23_olinuxino arm arm926ejs mx23_olinuxino olimex apx4devkit arm arm926ejs apx4devkit bluegiga mxs apx4devkit mx23evk arm arm926ejs mx23evk freescale mxs mx23evk m28evk arm arm926ejs m28evk denx mxs m28evk -mx28evk arm arm926ejs mx28evk freescale mxs mx28evk +mx28evk arm arm926ejs mx28evk freescale mxs mx28evk:ENV_IS_IN_MMC +mx28evk_nand arm arm926ejs mx28evk freescale mxs mx28evk:ENV_IS_IN_NAND sc_sps_1 arm arm926ejs sc_sps_1 schulercontrol mxs nhk8815 arm arm926ejs nhk8815 st nomadik nhk8815_onenand arm arm926ejs nhk8815 st nomadik nhk8815:BOOT_ONENAND @@ -264,6 +265,8 @@ nitrogen6q arm armv7 nitrogen6x boundar nitrogen6q2g arm armv7 nitrogen6x boundary mx6 nitrogen6x:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6q2g.cfg,MX6Q,DDR_MB=2048 nitrogen6s arm armv7 nitrogen6x boundary mx6 nitrogen6x:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s.cfg,MX6S,DDR_MB=512 nitrogen6s1g arm armv7 nitrogen6x boundary mx6 nitrogen6x:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s1g.cfg,MX6S,DDR_MB=1024 +wandboard_dl arm armv7 wandboard - mx6 wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6dl.cfg,MX6DL,DDR_MB=1024 +wandboard_solo arm armv7 wandboard - mx6 wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s.cfg,MX6S,DDR_MB=512 cm_t35 arm armv7 cm_t35 - omap3 omap3_overo arm armv7 overo - omap3 omap3_pandora arm armv7 pandora - omap3 diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 5d2ce0015..7438469d0 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -128,6 +128,9 @@ static boot_os_fn do_bootm_rtems; #if defined(CONFIG_BOOTM_OSE) static boot_os_fn do_bootm_ose; #endif +#if defined(CONFIG_BOOTM_PLAN9) +static boot_os_fn do_bootm_plan9; +#endif #if defined(CONFIG_CMD_ELF) static boot_os_fn do_bootm_vxworks; static boot_os_fn do_bootm_qnxelf; @@ -154,6 +157,9 @@ static boot_os_fn *boot_os[] = { #if defined(CONFIG_BOOTM_OSE) [IH_OS_OSE] = do_bootm_ose, #endif +#if defined(CONFIG_BOOTM_PLAN9) + [IH_OS_PLAN9] = do_bootm_plan9, +#endif #if defined(CONFIG_CMD_ELF) [IH_OS_VXWORKS] = do_bootm_vxworks, [IH_OS_QNX] = do_bootm_qnxelf, @@ -1628,6 +1634,39 @@ static int do_bootm_ose(int flag, int argc, char * const argv[], } #endif /* CONFIG_BOOTM_OSE */ +#if defined(CONFIG_BOOTM_PLAN9) +static int do_bootm_plan9(int flag, int argc, char * const argv[], + bootm_headers_t *images) +{ + void (*entry_point)(void); + + if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) + return 1; + +#if defined(CONFIG_FIT) + if (!images->legacy_hdr_valid) { + fit_unsupported_reset("Plan 9"); + return 1; + } +#endif + + entry_point = (void (*)(void))images->ep; + + printf("## Transferring control to Plan 9 (at address %08lx) ...\n", + (ulong)entry_point); + + bootstage_mark(BOOTSTAGE_ID_RUN_OS); + + /* + * Plan 9 Parameters: + * None + */ + (*entry_point)(); + + return 1; +} +#endif /* CONFIG_BOOTM_PLAN9 */ + #if defined(CONFIG_CMD_ELF) static int do_bootm_vxworks(int flag, int argc, char * const argv[], bootm_headers_t *images) diff --git a/common/cmd_ext4.c b/common/cmd_ext4.c index dcf76a50c..706fd54a5 100644 --- a/common/cmd_ext4.c +++ b/common/cmd_ext4.c @@ -88,10 +88,10 @@ int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc, dev = dev_desc->dev; /* get the filename */ - filename = argv[3]; + filename = argv[4]; /* get the address in hexadecimal format (string to int) */ - ram_address = simple_strtoul(argv[4], NULL, 16); + ram_address = simple_strtoul(argv[3], NULL, 16); /* get the filesize in base 10 format */ file_size = simple_strtoul(argv[5], NULL, 10); @@ -122,7 +122,7 @@ fail: U_BOOT_CMD(ext4write, 6, 1, do_ext4_write, "create a file in the root directory", - "<interface> <dev[:part]> [Absolute filename path] [Address] [sizebytes]\n" + "<interface> <dev[:part]> <addr> <absolute filename path> [sizebytes]\n" " - create a file in / directory"); #endif diff --git a/common/cmd_sf.c b/common/cmd_sf.c index b1753587d..3f0d41495 100644 --- a/common/cmd_sf.c +++ b/common/cmd_sf.c @@ -369,8 +369,8 @@ static void spi_test_next_stage(struct test_info *test) * @param vbuf Verification buffer * @return 0 if ok, -1 on error */ -static int spi_flash_test(struct spi_flash *flash, char *buf, ulong len, - ulong offset, char *vbuf) +static int spi_flash_test(struct spi_flash *flash, uint8_t *buf, ulong len, + ulong offset, uint8_t *vbuf) { struct test_info test; int i; @@ -431,9 +431,9 @@ static int do_spi_flash_test(int argc, char * const argv[]) { unsigned long offset; unsigned long len; - char *buf = (char *)CONFIG_SYS_TEXT_BASE; + uint8_t *buf = (uint8_t *)CONFIG_SYS_TEXT_BASE; char *endp; - char *vbuf; + uint8_t *vbuf; int ret; offset = simple_strtoul(argv[1], &endp, 16); diff --git a/common/env_callback.c b/common/env_callback.c index 78ca3674f..78aafb4f2 100644 --- a/common/env_callback.c +++ b/common/env_callback.c @@ -31,7 +31,7 @@ DECLARE_GLOBAL_DATA_PTR; /* * Look up a callback function pointer by name */ -struct env_clbk_tbl *find_env_callback(const char *name) +static struct env_clbk_tbl *find_env_callback(const char *name) { struct env_clbk_tbl *clbkp; int i; diff --git a/common/image.c b/common/image.c index 6afbb40a9..60c212703 100644 --- a/common/image.c +++ b/common/image.c @@ -108,6 +108,7 @@ static const table_entry_t uimage_os[] = { #endif { IH_OS_NETBSD, "netbsd", "NetBSD", }, { IH_OS_OSE, "ose", "Enea OSE", }, + { IH_OS_PLAN9, "plan9", "Plan 9", }, { IH_OS_RTEMS, "rtems", "RTEMS", }, { IH_OS_U_BOOT, "u-boot", "U-Boot", }, #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) diff --git a/doc/README.mx28evk b/doc/README.mx28evk index 2fc50696f..76db474bf 100644 --- a/doc/README.mx28evk +++ b/doc/README.mx28evk @@ -23,6 +23,24 @@ To boot MX28EVK from an SD card, set the boot mode DIP switches as: * VDD 5V: To the left (off) * Hold Button: Down (off) + +Environment Storage +------------------- + +There are two targets for mx28evk: + +"make mx28evk_config" - store enviroment variables into MMC + +or + +"make mx28evk_nand_config" - store enviroment variables into NAND flash + +Choose the target accordingly. + +Note: The mx28evk board does not come with a NAND flash populated from the +factory. It comes with an empty slot (U23), which allows the insertion of a +48-pin TSOP flash device. + Follow the instructions from doc/README.mx28_common to generate a bootable SD card. diff --git a/drivers/mmc/bcm2835_sdhci.c b/drivers/mmc/bcm2835_sdhci.c index b0afc3c9c..54cfabfb9 100644 --- a/drivers/mmc/bcm2835_sdhci.c +++ b/drivers/mmc/bcm2835_sdhci.c @@ -39,6 +39,7 @@ #include <common.h> #include <malloc.h> #include <sdhci.h> +#include <asm/arch/timer.h> /* 400KHz is max freq for card ID etc. Use that as min */ #define MIN_FREQ 400000 @@ -67,11 +68,11 @@ static inline void bcm2835_sdhci_raw_writel(struct sdhci_host *host, u32 val, * (Which is just as well - otherwise we'd have to nobble the DMA engine * too) */ - while (get_timer(bcm_host->last_write) < bcm_host->twoticks_delay) + while (get_timer_us(bcm_host->last_write) < bcm_host->twoticks_delay) ; writel(val, host->ioaddr + reg); - bcm_host->last_write = get_timer(0); + bcm_host->last_write = get_timer_us(0); } static inline u32 bcm2835_sdhci_raw_readl(struct sdhci_host *host, int reg) diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 54b536316..35f879ea6 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -580,6 +580,13 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg) mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT | MMC_MODE_HC; + if (cfg->max_bus_width > 0) { + if (cfg->max_bus_width < 8) + mmc->host_caps &= ~MMC_MODE_8BIT; + if (cfg->max_bus_width < 4) + mmc->host_caps &= ~MMC_MODE_4BIT; + } + if (caps & ESDHC_HOSTCAPBLT_HSS) mmc->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; diff --git a/drivers/mtd/spi/atmel.c b/drivers/mtd/spi/atmel.c index 006f6d5d0..6a92c4b77 100644 --- a/drivers/mtd/spi/atmel.c +++ b/drivers/mtd/spi/atmel.c @@ -480,15 +480,13 @@ struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode) return NULL; } - asf = malloc(sizeof(struct atmel_spi_flash)); + asf = spi_flash_alloc(struct atmel_spi_flash, spi, params->name); if (!asf) { debug("SF: Failed to allocate memory\n"); return NULL; } asf->params = params; - asf->flash.spi = spi; - asf->flash.name = params->name; /* Assuming power-of-two page size initially. */ page_size = 1 << params->l2_page_size; @@ -513,7 +511,6 @@ struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode) asf->flash.erase = dataflash_erase_at45; page_size += 1 << (params->l2_page_size - 5); } else { - asf->flash.read = spi_flash_cmd_read_fast; asf->flash.write = dataflash_write_p2; asf->flash.erase = dataflash_erase_p2; } @@ -524,9 +521,6 @@ struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode) case DF_FAMILY_AT26F: case DF_FAMILY_AT26DF: - asf->flash.read = spi_flash_cmd_read_fast; - asf->flash.write = spi_flash_cmd_write_multi; - asf->flash.erase = spi_flash_cmd_erase; asf->flash.page_size = page_size; asf->flash.sector_size = 4096; /* clear SPRL# bit for locked flash */ diff --git a/drivers/mtd/spi/eon.c b/drivers/mtd/spi/eon.c index 691ed4efc..b16e7ab09 100644 --- a/drivers/mtd/spi/eon.c +++ b/drivers/mtd/spi/eon.c @@ -46,18 +46,12 @@ struct spi_flash *spi_flash_probe_eon(struct spi_slave *spi, u8 *idcode) return NULL; } - flash = malloc(sizeof(*flash)); + flash = spi_flash_alloc_base(spi, params->name); if (!flash) { debug("SF: Failed to allocate memory\n"); return NULL; } - flash->spi = spi; - flash->name = params->name; - - flash->write = spi_flash_cmd_write_multi; - flash->erase = spi_flash_cmd_erase; - flash->read = spi_flash_cmd_read_fast; flash->page_size = 256; flash->sector_size = 256 * 16 * 16; flash->size = 256 * 16 diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c index c97a39d49..036c30d3b 100644 --- a/drivers/mtd/spi/macronix.c +++ b/drivers/mtd/spi/macronix.c @@ -97,18 +97,12 @@ struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode) return NULL; } - flash = malloc(sizeof(*flash)); + flash = spi_flash_alloc_base(spi, params->name); if (!flash) { debug("SF: Failed to allocate memory\n"); return NULL; } - flash->spi = spi; - flash->name = params->name; - - flash->write = spi_flash_cmd_write_multi; - flash->erase = spi_flash_cmd_erase; - flash->read = spi_flash_cmd_read_fast; flash->page_size = 256; flash->sector_size = 256 * 16 * 16; flash->size = flash->sector_size * params->nr_blocks; diff --git a/drivers/mtd/spi/ramtron.c b/drivers/mtd/spi/ramtron.c index 099978149..5299a6dbd 100644 --- a/drivers/mtd/spi/ramtron.c +++ b/drivers/mtd/spi/ramtron.c @@ -284,15 +284,13 @@ struct spi_flash *spi_fram_probe_ramtron(struct spi_slave *spi, u8 *idcode) return NULL; found: - sn = malloc(sizeof(*sn)); + sn = spi_flash_alloc(struct ramtron_spi_fram, spi, params->name); if (!sn) { debug("SF: Failed to allocate memory\n"); return NULL; } sn->params = params; - sn->flash.spi = spi; - sn->flash.name = params->name; sn->flash.write = ramtron_write; sn->flash.read = ramtron_read; diff --git a/drivers/mtd/spi/spansion.c b/drivers/mtd/spi/spansion.c index 9288672c8..bc558c4c9 100644 --- a/drivers/mtd/spi/spansion.c +++ b/drivers/mtd/spi/spansion.c @@ -128,18 +128,12 @@ struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode) return NULL; } - flash = malloc(sizeof(*flash)); + flash = spi_flash_alloc_base(spi, params->name); if (!flash) { debug("SF: Failed to allocate memory\n"); return NULL; } - flash->spi = spi; - flash->name = params->name; - - flash->write = spi_flash_cmd_write_multi; - flash->erase = spi_flash_cmd_erase; - flash->read = spi_flash_cmd_read_fast; flash->page_size = 256; flash->sector_size = 256 * params->pages_per_sector; flash->size = flash->sector_size * params->nr_sectors; diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c index 00aece929..111185af1 100644 --- a/drivers/mtd/spi/spi_flash.c +++ b/drivers/mtd/spi/spi_flash.c @@ -8,6 +8,7 @@ */ #include <common.h> +#include <fdtdec.h> #include <malloc.h> #include <spi.h> #include <spi_flash.h> @@ -15,6 +16,8 @@ #include "spi_flash_internal.h" +DECLARE_GLOBAL_DATA_PTR; + static void spi_flash_addr(u32 addr, u8 *cmd) { /* cmd[0] is actual command */ @@ -87,6 +90,9 @@ int spi_flash_cmd_write_multi(struct spi_flash *flash, u32 offset, for (actual = 0; actual < len; actual += chunk_len) { chunk_len = min(len - actual, page_size - byte_addr); + if (flash->spi->max_write_size) + chunk_len = min(chunk_len, flash->spi->max_write_size); + cmd[1] = page_addr >> 8; cmd[2] = page_addr; cmd[3] = byte_addr; @@ -111,8 +117,11 @@ int spi_flash_cmd_write_multi(struct spi_flash *flash, u32 offset, if (ret) break; - page_addr++; - byte_addr = 0; + byte_addr += chunk_len; + if (byte_addr == page_size) { + page_addr++; + byte_addr = 0; + } } debug("SF: program %s %zu bytes @ %#x\n", @@ -140,6 +149,10 @@ int spi_flash_cmd_read_fast(struct spi_flash *flash, u32 offset, { u8 cmd[5]; + /* Handle memory-mapped SPI */ + if (flash->memory_map) + memcpy(data, flash->memory_map + offset, len); + cmd[0] = CMD_READ_ARRAY_FAST; spi_flash_addr(offset, cmd); cmd[4] = 0x00; @@ -269,6 +282,34 @@ int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr) return 0; } +#ifdef CONFIG_OF_CONTROL +int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash) +{ + fdt_addr_t addr; + fdt_size_t size; + int node; + + /* If there is no node, do nothing */ + node = fdtdec_next_compatible(blob, 0, COMPAT_GENERIC_SPI_FLASH); + if (node < 0) + return 0; + + addr = fdtdec_get_addr_size(blob, node, "memory-map", &size); + if (addr == FDT_ADDR_T_NONE) { + debug("%s: Cannot decode address\n", __func__); + return 0; + } + + if (flash->size != size) { + debug("%s: Memory map must cover entire device\n", __func__); + return -1; + } + flash->memory_map = (void *)addr; + + return 0; +} +#endif /* CONFIG_OF_CONTROL */ + /* * The following table holds all device probe functions * @@ -385,9 +426,18 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, goto err_manufacturer_probe; } +#ifdef CONFIG_OF_CONTROL + if (spi_flash_decode_fdt(gd->fdt_blob, flash)) { + debug("SF: FDT decode error\n"); + goto err_manufacturer_probe; + } +#endif printf("SF: Detected %s with page size ", flash->name); print_size(flash->sector_size, ", total "); - print_size(flash->size, "\n"); + print_size(flash->size, ""); + if (flash->memory_map) + printf(", mapped at %p", flash->memory_map); + puts("\n"); spi_release_bus(spi); @@ -401,6 +451,31 @@ err_claim_bus: return NULL; } +void *spi_flash_do_alloc(int offset, int size, struct spi_slave *spi, + const char *name) +{ + struct spi_flash *flash; + void *ptr; + + ptr = malloc(size); + if (!ptr) { + debug("SF: Failed to allocate memory\n"); + return NULL; + } + memset(ptr, '\0', size); + flash = (struct spi_flash *)(ptr + offset); + + /* Set up some basic fields - caller will sort out sizes */ + flash->spi = spi; + flash->name = name; + + flash->read = spi_flash_cmd_read_fast; + flash->write = spi_flash_cmd_write_multi; + flash->erase = spi_flash_cmd_erase; + + return flash; +} + void spi_flash_free(struct spi_flash *flash) { spi_free_slave(flash->spi); diff --git a/drivers/mtd/spi/sst.c b/drivers/mtd/spi/sst.c index ced4f2473..95f5490c3 100644 --- a/drivers/mtd/spi/sst.c +++ b/drivers/mtd/spi/sst.c @@ -203,22 +203,16 @@ spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode) return NULL; } - stm = malloc(sizeof(*stm)); + stm = spi_flash_alloc(struct sst_spi_flash, spi, params->name); if (!stm) { debug("SF: Failed to allocate memory\n"); return NULL; } stm->params = params; - stm->flash.spi = spi; - stm->flash.name = params->name; if (stm->params->flags & SST_FEAT_WP) stm->flash.write = sst_write_wp; - else - stm->flash.write = spi_flash_cmd_write_multi; - stm->flash.erase = spi_flash_cmd_erase; - stm->flash.read = spi_flash_cmd_read_fast; stm->flash.page_size = 256; stm->flash.sector_size = 4096; stm->flash.size = stm->flash.sector_size * params->nr_sectors; diff --git a/drivers/mtd/spi/stmicro.c b/drivers/mtd/spi/stmicro.c index 8a193449d..2a9972bd4 100644 --- a/drivers/mtd/spi/stmicro.c +++ b/drivers/mtd/spi/stmicro.c @@ -176,18 +176,12 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode) return NULL; } - flash = malloc(sizeof(*flash)); + flash = spi_flash_alloc_base(spi, params->name); if (!flash) { debug("SF: Failed to allocate memory\n"); return NULL; } - flash->spi = spi; - flash->name = params->name; - - flash->write = spi_flash_cmd_write_multi; - flash->erase = spi_flash_cmd_erase; - flash->read = spi_flash_cmd_read_fast; flash->page_size = 256; flash->sector_size = 256 * params->pages_per_sector; flash->size = flash->sector_size * params->nr_sectors; diff --git a/drivers/mtd/spi/winbond.c b/drivers/mtd/spi/winbond.c index 3560fcb6b..27162091c 100644 --- a/drivers/mtd/spi/winbond.c +++ b/drivers/mtd/spi/winbond.c @@ -97,18 +97,12 @@ struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode) return NULL; } - flash = malloc(sizeof(*flash)); + flash = spi_flash_alloc_base(spi, params->name); if (!flash) { debug("SF: Failed to allocate memory\n"); return NULL; } - flash->spi = spi; - flash->name = params->name; - - flash->write = spi_flash_cmd_write_multi; - flash->erase = spi_flash_cmd_erase; - flash->read = spi_flash_cmd_read_fast; flash->page_size = 256; flash->sector_size = 4096; flash->size = 4096 * 16 * params->nr_blocks; diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 46e8fa3be..d08609eff 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -25,6 +25,9 @@ include $(TOPDIR)/config.mk LIB := $(obj)libspi.o +# There are many options which enable SPI, so make this library available +COBJS-y += spi.o + COBJS-$(CONFIG_ALTERA_SPI) += altera_spi.o COBJS-$(CONFIG_ANDES_SPI) += andes_spi.o COBJS-$(CONFIG_ARMADA100_SPI) += armada100_spi.o @@ -36,6 +39,7 @@ COBJS-$(CONFIG_CF_SPI) += cf_spi.o COBJS-$(CONFIG_CF_QSPI) += cf_qspi.o COBJS-$(CONFIG_DAVINCI_SPI) += davinci_spi.o COBJS-$(CONFIG_EXYNOS_SPI) += exynos_spi.o +COBJS-$(CONFIG_ICH_SPI) += ich.o COBJS-$(CONFIG_KIRKWOOD_SPI) += kirkwood_spi.o COBJS-$(CONFIG_MPC52XX_SPI) += mpc52xx_spi.o COBJS-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o diff --git a/drivers/spi/altera_spi.c b/drivers/spi/altera_spi.c index 138d6f4b4..b53607a4e 100644 --- a/drivers/spi/altera_spi.c +++ b/drivers/spi/altera_spi.c @@ -83,12 +83,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - altspi = malloc(sizeof(*altspi)); + altspi = spi_alloc_slave(struct altera_spi_slave, bus, cs); if (!altspi) return NULL; - altspi->slave.bus = bus; - altspi->slave.cs = cs; altspi->base = altera_spi_base_list[bus]; debug("%s: bus:%i cs:%i base:%lx\n", __func__, bus, cs, altspi->base); diff --git a/drivers/spi/andes_spi.c b/drivers/spi/andes_spi.c index fdde13954..c56377b63 100644 --- a/drivers/spi/andes_spi.c +++ b/drivers/spi/andes_spi.c @@ -53,12 +53,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - ds = malloc(sizeof(*ds)); + ds = spi_alloc_slave(struct andes_spi_slave, bus, cs); if (!ds) return NULL; - ds->slave.bus = bus; - ds->slave.cs = cs; ds->regs = (struct andes_spi_regs *)CONFIG_SYS_SPI_BASE; /* diff --git a/drivers/spi/armada100_spi.c b/drivers/spi/armada100_spi.c index 7384c9cd2..afdbe0508 100644 --- a/drivers/spi/armada100_spi.c +++ b/drivers/spi/armada100_spi.c @@ -120,12 +120,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, { struct armd_spi_slave *pss; - pss = malloc(sizeof(*pss)); + pss = spi_alloc_slave(struct armd_spi_slave, bus, cs); if (!pss) return NULL; - pss->slave.bus = bus; - pss->slave.cs = cs; pss->spi_reg = (struct ssp_reg *)SSP_REG_BASE(CONFIG_SYS_SSP_PORT); pss->cr0 = SSCR0_MOTO | SSCR0_DATASIZE(DEFAULT_WORD_LEN) | SSCR0_SSE; diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c index ce7d46085..f4b1bad22 100644 --- a/drivers/spi/atmel_spi.c +++ b/drivers/spi/atmel_spi.c @@ -84,12 +84,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (mode & SPI_CPOL) csrx |= ATMEL_SPI_CSRx_CPOL; - as = malloc(sizeof(struct atmel_spi_slave)); + as = spi_alloc_slave(struct atmel_spi_slave, bus, cs); if (!as) return NULL; - as->slave.bus = bus; - as->slave.cs = cs; as->regs = regs; as->mr = ATMEL_SPI_MR_MSTR | ATMEL_SPI_MR_MODFDIS #if defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9M10G45) diff --git a/drivers/spi/bfin_spi.c b/drivers/spi/bfin_spi.c index e080bec70..ab2e8b998 100644 --- a/drivers/spi/bfin_spi.c +++ b/drivers/spi/bfin_spi.c @@ -182,12 +182,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, default: return NULL; } - bss = malloc(sizeof(*bss)); + bss = spi_alloc_slave(struct bfin_spi_slave, bus, cs); if (!bss) return NULL; - bss->slave.bus = bus; - bss->slave.cs = cs; bss->mmr_base = (void *)mmr_base; bss->ctl = SPE | MSTR | TDBR_CORE; if (mode & SPI_CPHA) bss->ctl |= CPHA; diff --git a/drivers/spi/bfin_spi6xx.c b/drivers/spi/bfin_spi6xx.c index fde344742..c25c4a9ae 100644 --- a/drivers/spi/bfin_spi6xx.c +++ b/drivers/spi/bfin_spi6xx.c @@ -178,12 +178,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, return NULL; } - bss = malloc(sizeof(*bss)); + bss = spi_alloc_slave(struct bfin_spi_slave, bus, cs); if (!bss) return NULL; - bss->slave.bus = bus; - bss->slave.cs = cs; bss->regs = (struct bfin_spi_regs *)reg_base; bss->control = SPI_CTL_EN | SPI_CTL_MSTR; if (mode & SPI_CPHA) diff --git a/drivers/spi/cf_qspi.c b/drivers/spi/cf_qspi.c index 72dd1a520..a37ac4e52 100644 --- a/drivers/spi/cf_qspi.c +++ b/drivers/spi/cf_qspi.c @@ -120,13 +120,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - dev = malloc(sizeof(struct cf_qspi_slave)); + dev = spi_alloc_slave(struct cf_qspi_slave, bus, cs); if (!dev) return NULL; /* Initialize to known value */ - dev->slave.bus = bus; - dev->slave.cs = cs; dev->regs = (qspi_t *)MMAP_QSPI; dev->qmr = 0; dev->qwr = 0; diff --git a/drivers/spi/cf_spi.c b/drivers/spi/cf_spi.c index a883da936..afe791737 100644 --- a/drivers/spi/cf_spi.c +++ b/drivers/spi/cf_spi.c @@ -330,12 +330,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - cfslave = malloc(sizeof(struct cf_spi_slave)); + cfslave = spi_alloc_slave(struct cf_spi_slave, bus, cs); if (!cfslave) return NULL; - cfslave->slave.bus = bus; - cfslave->slave.cs = cs; cfslave->baudrate = max_hz; /* specific setup */ diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c index 13aca52c7..74792af03 100644 --- a/drivers/spi/davinci_spi.c +++ b/drivers/spi/davinci_spi.c @@ -44,12 +44,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - ds = malloc(sizeof(*ds)); + ds = spi_alloc_slave(struct davinci_spi_slave, bus, cs); if (!ds) return NULL; - ds->slave.bus = bus; - ds->slave.cs = cs; ds->regs = (struct davinci_spi_regs *)CONFIG_SYS_SPI_BASE; ds->freq = max_hz; diff --git a/drivers/spi/exynos_spi.c b/drivers/spi/exynos_spi.c index 2260d59c0..607e1cdec 100644 --- a/drivers/spi/exynos_spi.c +++ b/drivers/spi/exynos_spi.c @@ -89,15 +89,13 @@ struct spi_slave *spi_setup_slave(unsigned int busnum, unsigned int cs, return NULL; } - spi_slave = malloc(sizeof(*spi_slave)); + spi_slave = spi_alloc_slave(struct exynos_spi_slave, busnum, cs); if (!spi_slave) { debug("%s: Could not allocate spi_slave\n", __func__); return NULL; } bus = &spi_bus[busnum]; - spi_slave->slave.bus = busnum; - spi_slave->slave.cs = cs; spi_slave->regs = bus->regs; spi_slave->mode = mode; spi_slave->periph_id = bus->periph_id; diff --git a/drivers/spi/fsl_espi.c b/drivers/spi/fsl_espi.c index eb99e90be..28609eefe 100644 --- a/drivers/spi/fsl_espi.c +++ b/drivers/spi/fsl_espi.c @@ -79,12 +79,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - fsl = malloc(sizeof(struct fsl_spi_slave)); + fsl = spi_alloc_slave(struct fsl_spi_slave, bus, cs); if (!fsl) return NULL; - fsl->slave.bus = bus; - fsl->slave.cs = cs; fsl->mode = mode; fsl->max_transfer_length = ESPI_MAX_DATA_TRANSFER_LEN; diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c new file mode 100644 index 000000000..8865df5be --- /dev/null +++ b/drivers/spi/ich.c @@ -0,0 +1,754 @@ +/* + * Copyright (c) 2011-12 The Chromium OS Authors. + * + * 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 file is derived from the flashrom project. + */ + +#include <common.h> +#include <malloc.h> +#include <spi.h> +#include <pci.h> +#include <pci_ids.h> +#include <asm/io.h> + +#include "ich.h" + +#define SPI_OPCODE_WREN 0x06 +#define SPI_OPCODE_FAST_READ 0x0b + +struct ich_ctlr { + pci_dev_t dev; /* PCI device number */ + int ich_version; /* Controller version, 7 or 9 */ + int ichspi_lock; + int locked; + uint8_t *opmenu; + int menubytes; + void *base; /* Base of register set */ + uint16_t *preop; + uint16_t *optype; + uint32_t *addr; + uint8_t *data; + unsigned databytes; + uint8_t *status; + uint16_t *control; + uint32_t *bbar; + uint32_t *pr; /* only for ich9 */ + uint8_t *speed; /* pointer to speed control */ + ulong max_speed; /* Maximum bus speed in MHz */ +}; + +struct ich_ctlr ctlr; + +static inline struct ich_spi_slave *to_ich_spi(struct spi_slave *slave) +{ + return container_of(slave, struct ich_spi_slave, slave); +} + +static unsigned int ich_reg(const void *addr) +{ + return (unsigned)(addr - ctlr.base) & 0xffff; +} + +static u8 ich_readb(const void *addr) +{ + u8 value = readb(addr); + + debug("read %2.2x from %4.4x\n", value, ich_reg(addr)); + + return value; +} + +static u16 ich_readw(const void *addr) +{ + u16 value = readw(addr); + + debug("read %4.4x from %4.4x\n", value, ich_reg(addr)); + + return value; +} + +static u32 ich_readl(const void *addr) +{ + u32 value = readl(addr); + + debug("read %8.8x from %4.4x\n", value, ich_reg(addr)); + + return value; +} + +static void ich_writeb(u8 value, void *addr) +{ + writeb(value, addr); + debug("wrote %2.2x to %4.4x\n", value, ich_reg(addr)); +} + +static void ich_writew(u16 value, void *addr) +{ + writew(value, addr); + debug("wrote %4.4x to %4.4x\n", value, ich_reg(addr)); +} + +static void ich_writel(u32 value, void *addr) +{ + writel(value, addr); + debug("wrote %8.8x to %4.4x\n", value, ich_reg(addr)); +} + +static void write_reg(const void *value, void *dest, uint32_t size) +{ + memcpy_toio(dest, value, size); +} + +static void read_reg(const void *src, void *value, uint32_t size) +{ + memcpy_fromio(value, src, size); +} + +static void ich_set_bbar(struct ich_ctlr *ctlr, uint32_t minaddr) +{ + const uint32_t bbar_mask = 0x00ffff00; + uint32_t ichspi_bbar; + + minaddr &= bbar_mask; + ichspi_bbar = ich_readl(ctlr->bbar) & ~bbar_mask; + ichspi_bbar |= minaddr; + ich_writel(ichspi_bbar, ctlr->bbar); +} + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + puts("spi_cs_is_valid used but not implemented\n"); + return 0; +} + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) +{ + struct ich_spi_slave *ich; + + ich = spi_alloc_slave(struct ich_spi_slave, bus, cs); + if (!ich) { + puts("ICH SPI: Out of memory\n"); + return NULL; + } + + /* + * Yes this controller can only write a small number of bytes at + * once! The limit is typically 64 bytes. + */ + ich->slave.max_write_size = ctlr.databytes; + ich->speed = max_hz; + + return &ich->slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + struct ich_spi_slave *ich = to_ich_spi(slave); + + free(ich); +} + +/* + * Check if this device ID matches one of supported Intel PCH devices. + * + * Return the ICH version if there is a match, or zero otherwise. + */ +static int get_ich_version(uint16_t device_id) +{ + if (device_id == PCI_DEVICE_ID_INTEL_TGP_LPC) + return 7; + + if ((device_id >= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MIN && + device_id <= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MAX) || + (device_id >= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MIN && + device_id <= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MAX)) + return 9; + + return 0; +} + +/* @return 1 if the SPI flash supports the 33MHz speed */ +static int ich9_can_do_33mhz(pci_dev_t dev) +{ + u32 fdod, speed; + + /* Observe SPI Descriptor Component Section 0 */ + pci_write_config_dword(dev, 0xb0, 0x1000); + + /* Extract the Write/Erase SPI Frequency from descriptor */ + pci_read_config_dword(dev, 0xb4, &fdod); + + /* Bits 23:21 have the fast read clock frequency, 0=20MHz, 1=33MHz */ + speed = (fdod >> 21) & 7; + + return speed == 1; +} + +static int ich_find_spi_controller(pci_dev_t *devp, int *ich_versionp) +{ + int last_bus = pci_last_busno(); + int bus; + + if (last_bus == -1) { + debug("No PCI busses?\n"); + return -1; + } + + for (bus = 0; bus <= last_bus; bus++) { + uint16_t vendor_id, device_id; + uint32_t ids; + pci_dev_t dev; + + dev = PCI_BDF(bus, 31, 0); + pci_read_config_dword(dev, 0, &ids); + vendor_id = ids; + device_id = ids >> 16; + + if (vendor_id == PCI_VENDOR_ID_INTEL) { + *devp = dev; + *ich_versionp = get_ich_version(device_id); + return 0; + } + } + + debug("ICH SPI: No ICH found.\n"); + return -1; +} + +static int ich_init_controller(struct ich_ctlr *ctlr) +{ + uint8_t *rcrb; /* Root Complex Register Block */ + uint32_t rcba; /* Root Complex Base Address */ + + pci_read_config_dword(ctlr->dev, 0xf0, &rcba); + /* Bits 31-14 are the base address, 13-1 are reserved, 0 is enable. */ + rcrb = (uint8_t *)(rcba & 0xffffc000); + if (ctlr->ich_version == 7) { + struct ich7_spi_regs *ich7_spi; + + ich7_spi = (struct ich7_spi_regs *)(rcrb + 0x3020); + ctlr->ichspi_lock = ich_readw(&ich7_spi->spis) & SPIS_LOCK; + ctlr->opmenu = ich7_spi->opmenu; + ctlr->menubytes = sizeof(ich7_spi->opmenu); + ctlr->optype = &ich7_spi->optype; + ctlr->addr = &ich7_spi->spia; + ctlr->data = (uint8_t *)ich7_spi->spid; + ctlr->databytes = sizeof(ich7_spi->spid); + ctlr->status = (uint8_t *)&ich7_spi->spis; + ctlr->control = &ich7_spi->spic; + ctlr->bbar = &ich7_spi->bbar; + ctlr->preop = &ich7_spi->preop; + ctlr->base = ich7_spi; + } else if (ctlr->ich_version == 9) { + struct ich9_spi_regs *ich9_spi; + + ich9_spi = (struct ich9_spi_regs *)(rcrb + 0x3800); + ctlr->ichspi_lock = ich_readw(&ich9_spi->hsfs) & HSFS_FLOCKDN; + ctlr->opmenu = ich9_spi->opmenu; + ctlr->menubytes = sizeof(ich9_spi->opmenu); + ctlr->optype = &ich9_spi->optype; + ctlr->addr = &ich9_spi->faddr; + ctlr->data = (uint8_t *)ich9_spi->fdata; + ctlr->databytes = sizeof(ich9_spi->fdata); + ctlr->status = &ich9_spi->ssfs; + ctlr->control = (uint16_t *)ich9_spi->ssfc; + ctlr->speed = ich9_spi->ssfc + 2; + ctlr->bbar = &ich9_spi->bbar; + ctlr->preop = &ich9_spi->preop; + ctlr->pr = &ich9_spi->pr[0]; + ctlr->base = ich9_spi; + } else { + debug("ICH SPI: Unrecognized ICH version %d.\n", + ctlr->ich_version); + return -1; + } + debug("ICH SPI: Version %d detected\n", ctlr->ich_version); + + /* Work out the maximum speed we can support */ + ctlr->max_speed = 20000000; + if (ctlr->ich_version == 9 && ich9_can_do_33mhz(ctlr->dev)) + ctlr->max_speed = 33000000; + + ich_set_bbar(ctlr, 0); + + return 0; +} + +void spi_init(void) +{ + uint8_t bios_cntl; + + if (ich_find_spi_controller(&ctlr.dev, &ctlr.ich_version)) { + printf("ICH SPI: Cannot find device\n"); + return; + } + + if (ich_init_controller(&ctlr)) { + printf("ICH SPI: Cannot setup controller\n"); + return; + } + + /* + * Disable the BIOS write protect so write commands are allowed. On + * v9, deassert SMM BIOS Write Protect Disable. + */ + pci_read_config_byte(ctlr.dev, 0xdc, &bios_cntl); + if (ctlr.ich_version == 9) + bios_cntl &= ~(1 << 5); + pci_write_config_byte(ctlr.dev, 0xdc, bios_cntl | 0x1); +} + +int spi_claim_bus(struct spi_slave *slave) +{ + /* Handled by ICH automatically. */ + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ + /* Handled by ICH automatically. */ +} + +void spi_cs_activate(struct spi_slave *slave) +{ + /* Handled by ICH automatically. */ +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + /* Handled by ICH automatically. */ +} + +static inline void spi_use_out(struct spi_trans *trans, unsigned bytes) +{ + trans->out += bytes; + trans->bytesout -= bytes; +} + +static inline void spi_use_in(struct spi_trans *trans, unsigned bytes) +{ + trans->in += bytes; + trans->bytesin -= bytes; +} + +static void spi_setup_type(struct spi_trans *trans, int data_bytes) +{ + trans->type = 0xFF; + + /* Try to guess spi type from read/write sizes. */ + if (trans->bytesin == 0) { + if (trans->bytesout + data_bytes > 4) + /* + * If bytesin = 0 and bytesout > 4, we presume this is + * a write data operation, which is accompanied by an + * address. + */ + trans->type = SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS; + else + trans->type = SPI_OPCODE_TYPE_WRITE_NO_ADDRESS; + return; + } + + if (trans->bytesout == 1) { /* and bytesin is > 0 */ + trans->type = SPI_OPCODE_TYPE_READ_NO_ADDRESS; + return; + } + + if (trans->bytesout == 4) /* and bytesin is > 0 */ + trans->type = SPI_OPCODE_TYPE_READ_WITH_ADDRESS; + + /* Fast read command is called with 5 bytes instead of 4 */ + if (trans->out[0] == SPI_OPCODE_FAST_READ && trans->bytesout == 5) { + trans->type = SPI_OPCODE_TYPE_READ_WITH_ADDRESS; + --trans->bytesout; + } +} + +static int spi_setup_opcode(struct spi_trans *trans) +{ + uint16_t optypes; + uint8_t opmenu[ctlr.menubytes]; + + trans->opcode = trans->out[0]; + spi_use_out(trans, 1); + if (!ctlr.ichspi_lock) { + /* The lock is off, so just use index 0. */ + ich_writeb(trans->opcode, ctlr.opmenu); + optypes = ich_readw(ctlr.optype); + optypes = (optypes & 0xfffc) | (trans->type & 0x3); + ich_writew(optypes, ctlr.optype); + return 0; + } else { + /* The lock is on. See if what we need is on the menu. */ + uint8_t optype; + uint16_t opcode_index; + + /* Write Enable is handled as atomic prefix */ + if (trans->opcode == SPI_OPCODE_WREN) + return 0; + + read_reg(ctlr.opmenu, opmenu, sizeof(opmenu)); + for (opcode_index = 0; opcode_index < ctlr.menubytes; + opcode_index++) { + if (opmenu[opcode_index] == trans->opcode) + break; + } + + if (opcode_index == ctlr.menubytes) { + printf("ICH SPI: Opcode %x not found\n", + trans->opcode); + return -1; + } + + optypes = ich_readw(ctlr.optype); + optype = (optypes >> (opcode_index * 2)) & 0x3; + if (trans->type == SPI_OPCODE_TYPE_WRITE_NO_ADDRESS && + optype == SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS && + trans->bytesout >= 3) { + /* We guessed wrong earlier. Fix it up. */ + trans->type = optype; + } + if (optype != trans->type) { + printf("ICH SPI: Transaction doesn't fit type %d\n", + optype); + return -1; + } + return opcode_index; + } +} + +static int spi_setup_offset(struct spi_trans *trans) +{ + /* Separate the SPI address and data. */ + switch (trans->type) { + case SPI_OPCODE_TYPE_READ_NO_ADDRESS: + case SPI_OPCODE_TYPE_WRITE_NO_ADDRESS: + return 0; + case SPI_OPCODE_TYPE_READ_WITH_ADDRESS: + case SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS: + trans->offset = ((uint32_t)trans->out[0] << 16) | + ((uint32_t)trans->out[1] << 8) | + ((uint32_t)trans->out[2] << 0); + spi_use_out(trans, 3); + return 1; + default: + printf("Unrecognized SPI transaction type %#x\n", trans->type); + return -1; + } +} + +/* + * Wait for up to 6s til status register bit(s) turn 1 (in case wait_til_set + * below is True) or 0. In case the wait was for the bit(s) to set - write + * those bits back, which would cause resetting them. + * + * Return the last read status value on success or -1 on failure. + */ +static int ich_status_poll(u16 bitmask, int wait_til_set) +{ + int timeout = 600000; /* This will result in 6s */ + u16 status = 0; + + while (timeout--) { + status = ich_readw(ctlr.status); + if (wait_til_set ^ ((status & bitmask) == 0)) { + if (wait_til_set) + ich_writew((status & bitmask), ctlr.status); + return status; + } + udelay(10); + } + + printf("ICH SPI: SCIP timeout, read %x, expected %x\n", + status, bitmask); + return -1; +} + +/* +int spi_xfer(struct spi_slave *slave, const void *dout, + unsigned int bitsout, void *din, unsigned int bitsin) +*/ +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, + void *din, unsigned long flags) +{ + struct ich_spi_slave *ich = to_ich_spi(slave); + uint16_t control; + int16_t opcode_index; + int with_address; + int status; + int bytes = bitlen / 8; + struct spi_trans *trans = &ich->trans; + unsigned type = flags & (SPI_XFER_BEGIN | SPI_XFER_END); + int using_cmd = 0; + /* Align read transactions to 64-byte boundaries */ + char buff[ctlr.databytes]; + + /* Ee don't support writing partial bytes. */ + if (bitlen % 8) { + debug("ICH SPI: Accessing partial bytes not supported\n"); + return -1; + } + + /* An empty end transaction can be ignored */ + if (type == SPI_XFER_END && !dout && !din) + return 0; + + if (type & SPI_XFER_BEGIN) + memset(trans, '\0', sizeof(*trans)); + + /* Dp we need to come back later to finish it? */ + if (dout && type == SPI_XFER_BEGIN) { + if (bytes > ICH_MAX_CMD_LEN) { + debug("ICH SPI: Command length limit exceeded\n"); + return -1; + } + memcpy(trans->cmd, dout, bytes); + trans->cmd_len = bytes; + debug("ICH SPI: Saved %d bytes\n", bytes); + return 0; + } + + /* + * We process a 'middle' spi_xfer() call, which has no + * SPI_XFER_BEGIN/END, as an independent transaction as if it had + * an end. We therefore repeat the command. This is because ICH + * seems to have no support for this, or because interest (in digging + * out the details and creating a special case in the code) is low. + */ + if (trans->cmd_len) { + trans->out = trans->cmd; + trans->bytesout = trans->cmd_len; + using_cmd = 1; + debug("ICH SPI: Using %d bytes\n", trans->cmd_len); + } else { + trans->out = dout; + trans->bytesout = dout ? bytes : 0; + } + + trans->in = din; + trans->bytesin = din ? bytes : 0; + + /* There has to always at least be an opcode. */ + if (!trans->bytesout) { + debug("ICH SPI: No opcode for transfer\n"); + return -1; + } + + if (ich_status_poll(SPIS_SCIP, 0) == -1) + return -1; + + ich_writew(SPIS_CDS | SPIS_FCERR, ctlr.status); + + spi_setup_type(trans, using_cmd ? bytes : 0); + opcode_index = spi_setup_opcode(trans); + if (opcode_index < 0) + return -1; + with_address = spi_setup_offset(trans); + if (with_address < 0) + return -1; + + if (trans->opcode == SPI_OPCODE_WREN) { + /* + * Treat Write Enable as Atomic Pre-Op if possible + * in order to prevent the Management Engine from + * issuing a transaction between WREN and DATA. + */ + if (!ctlr.ichspi_lock) + ich_writew(trans->opcode, ctlr.preop); + return 0; + } + + if (ctlr.speed && ctlr.max_speed >= 33000000) { + int byte; + + byte = ich_readb(ctlr.speed); + if (ich->speed >= 33000000) + byte |= SSFC_SCF_33MHZ; + else + byte &= ~SSFC_SCF_33MHZ; + ich_writeb(byte, ctlr.speed); + } + + /* See if we have used up the command data */ + if (using_cmd && dout && bytes) { + trans->out = dout; + trans->bytesout = bytes; + debug("ICH SPI: Moving to data, %d bytes\n", bytes); + } + + /* Preset control fields */ + control = ich_readw(ctlr.control); + control &= ~SSFC_RESERVED; + control = SPIC_SCGO | ((opcode_index & 0x07) << 4); + + /* Issue atomic preop cycle if needed */ + if (ich_readw(ctlr.preop)) + control |= SPIC_ACS; + + if (!trans->bytesout && !trans->bytesin) { + /* SPI addresses are 24 bit only */ + if (with_address) + ich_writel(trans->offset & 0x00FFFFFF, ctlr.addr); + + /* + * This is a 'no data' command (like Write Enable), its + * bitesout size was 1, decremented to zero while executing + * spi_setup_opcode() above. Tell the chip to send the + * command. + */ + ich_writew(control, ctlr.control); + + /* wait for the result */ + status = ich_status_poll(SPIS_CDS | SPIS_FCERR, 1); + if (status == -1) + return -1; + + if (status & SPIS_FCERR) { + debug("ICH SPI: Command transaction error\n"); + return -1; + } + + return 0; + } + + /* + * Check if this is a write command atempting to transfer more bytes + * than the controller can handle. Iterations for writes are not + * supported here because each SPI write command needs to be preceded + * and followed by other SPI commands, and this sequence is controlled + * by the SPI chip driver. + */ + if (trans->bytesout > ctlr.databytes) { + debug("ICH SPI: Too much to write. This should be prevented by the driver's max_write_size?\n"); + return -1; + } + + /* + * Read or write up to databytes bytes at a time until everything has + * been sent. + */ + while (trans->bytesout || trans->bytesin) { + uint32_t data_length; + uint32_t aligned_offset; + uint32_t diff; + + aligned_offset = trans->offset & ~(ctlr.databytes - 1); + diff = trans->offset - aligned_offset; + + /* SPI addresses are 24 bit only */ + ich_writel(aligned_offset & 0x00FFFFFF, ctlr.addr); + + if (trans->bytesout) + data_length = min(trans->bytesout, ctlr.databytes); + else + data_length = min(trans->bytesin, ctlr.databytes); + + /* Program data into FDATA0 to N */ + if (trans->bytesout) { + write_reg(trans->out, ctlr.data, data_length); + spi_use_out(trans, data_length); + if (with_address) + trans->offset += data_length; + } + + /* Add proper control fields' values */ + control &= ~((ctlr.databytes - 1) << 8); + control |= SPIC_DS; + control |= (data_length - 1) << 8; + + /* write it */ + ich_writew(control, ctlr.control); + + /* Wait for Cycle Done Status or Flash Cycle Error. */ + status = ich_status_poll(SPIS_CDS | SPIS_FCERR, 1); + if (status == -1) + return -1; + + if (status & SPIS_FCERR) { + debug("ICH SPI: Data transaction error\n"); + return -1; + } + + if (trans->bytesin) { + if (diff) { + data_length -= diff; + read_reg(ctlr.data, buff, ctlr.databytes); + memcpy(trans->in, buff + diff, data_length); + } else { + read_reg(ctlr.data, trans->in, data_length); + } + spi_use_in(trans, data_length); + if (with_address) + trans->offset += data_length; + } + } + + /* Clear atomic preop now that xfer is done */ + ich_writew(0, ctlr.preop); + + return 0; +} + + +/* + * This uses the SPI controller from the Intel Cougar Point and Panther Point + * PCH to write-protect portions of the SPI flash until reboot. The changes + * don't actually take effect until the HSFS[FLOCKDN] bit is set, but that's + * done elsewhere. + */ +int spi_write_protect_region(uint32_t lower_limit, uint32_t length, int hint) +{ + uint32_t tmplong; + uint32_t upper_limit; + + if (!ctlr.pr) { + printf("%s: operation not supported on this chipset\n", + __func__); + return -1; + } + + if (length == 0 || + lower_limit > (0xFFFFFFFFUL - length) + 1 || + hint < 0 || hint > 4) { + printf("%s(0x%x, 0x%x, %d): invalid args\n", __func__, + lower_limit, length, hint); + return -1; + } + + upper_limit = lower_limit + length - 1; + + /* + * Determine bits to write, as follows: + * 31 Write-protection enable (includes erase operation) + * 30:29 reserved + * 28:16 Upper Limit (FLA address bits 24:12, with 11:0 == 0xfff) + * 15 Read-protection enable + * 14:13 reserved + * 12:0 Lower Limit (FLA address bits 24:12, with 11:0 == 0x000) + */ + tmplong = 0x80000000 | + ((upper_limit & 0x01fff000) << 4) | + ((lower_limit & 0x01fff000) >> 12); + + printf("%s: writing 0x%08x to %p\n", __func__, tmplong, + &ctlr.pr[hint]); + ctlr.pr[hint] = tmplong; + + return 0; +} diff --git a/drivers/spi/ich.h b/drivers/spi/ich.h new file mode 100644 index 000000000..bd7bc12c6 --- /dev/null +++ b/drivers/spi/ich.h @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 file is derived from the flashrom project. + */ + +struct ich7_spi_regs { + uint16_t spis; + uint16_t spic; + uint32_t spia; + uint64_t spid[8]; + uint64_t _pad; + uint32_t bbar; + uint16_t preop; + uint16_t optype; + uint8_t opmenu[8]; +} __packed; + +struct ich9_spi_regs { + uint32_t bfpr; /* 0x00 */ + uint16_t hsfs; + uint16_t hsfc; + uint32_t faddr; + uint32_t _reserved0; + uint32_t fdata[16]; /* 0x10 */ + uint32_t frap; /* 0x50 */ + uint32_t freg[5]; + uint32_t _reserved1[3]; + uint32_t pr[5]; /* 0x74 */ + uint32_t _reserved2[2]; + uint8_t ssfs; /* 0x90 */ + uint8_t ssfc[3]; + uint16_t preop; /* 0x94 */ + uint16_t optype; + uint8_t opmenu[8]; /* 0x98 */ + uint32_t bbar; + uint8_t _reserved3[12]; + uint32_t fdoc; + uint32_t fdod; + uint8_t _reserved4[8]; + uint32_t afc; + uint32_t lvscc; + uint32_t uvscc; + uint8_t _reserved5[4]; + uint32_t fpb; + uint8_t _reserved6[28]; + uint32_t srdl; + uint32_t srdc; + uint32_t srd; +} __packed; + +enum { + SPIS_SCIP = 0x0001, + SPIS_GRANT = 0x0002, + SPIS_CDS = 0x0004, + SPIS_FCERR = 0x0008, + SSFS_AEL = 0x0010, + SPIS_LOCK = 0x8000, + SPIS_RESERVED_MASK = 0x7ff0, + SSFS_RESERVED_MASK = 0x7fe2 +}; + +enum { + SPIC_SCGO = 0x000002, + SPIC_ACS = 0x000004, + SPIC_SPOP = 0x000008, + SPIC_DBC = 0x003f00, + SPIC_DS = 0x004000, + SPIC_SME = 0x008000, + SSFC_SCF_MASK = 0x070000, + SSFC_RESERVED = 0xf80000, + + /* Mask for speed byte, biuts 23:16 of SSFC */ + SSFC_SCF_33MHZ = 0x01, +}; + +enum { + HSFS_FDONE = 0x0001, + HSFS_FCERR = 0x0002, + HSFS_AEL = 0x0004, + HSFS_BERASE_MASK = 0x0018, + HSFS_BERASE_SHIFT = 3, + HSFS_SCIP = 0x0020, + HSFS_FDOPSS = 0x2000, + HSFS_FDV = 0x4000, + HSFS_FLOCKDN = 0x8000 +}; + +enum { + HSFC_FGO = 0x0001, + HSFC_FCYCLE_MASK = 0x0006, + HSFC_FCYCLE_SHIFT = 1, + HSFC_FDBC_MASK = 0x3f00, + HSFC_FDBC_SHIFT = 8, + HSFC_FSMIE = 0x8000 +}; + +enum { + SPI_OPCODE_TYPE_READ_NO_ADDRESS = 0, + SPI_OPCODE_TYPE_WRITE_NO_ADDRESS = 1, + SPI_OPCODE_TYPE_READ_WITH_ADDRESS = 2, + SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS = 3 +}; + +enum { + ICH_MAX_CMD_LEN = 5, +}; + +struct spi_trans { + uint8_t cmd[ICH_MAX_CMD_LEN]; + int cmd_len; + const uint8_t *out; + uint32_t bytesout; + uint8_t *in; + uint32_t bytesin; + uint8_t type; + uint8_t opcode; + uint32_t offset; +}; + +struct ich_spi_slave { + struct spi_slave slave; + struct spi_trans trans; /* current transaction in progress */ + int speed; /* SPI speed in Hz */ +}; diff --git a/drivers/spi/kirkwood_spi.c b/drivers/spi/kirkwood_spi.c index de81064b9..caa91e3e8 100644 --- a/drivers/spi/kirkwood_spi.c +++ b/drivers/spi/kirkwood_spi.c @@ -49,13 +49,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - slave = malloc(sizeof(struct spi_slave)); + slave = spi_alloc_slave_base(bus, cs); if (!slave) return NULL; - slave->bus = bus; - slave->cs = cs; - writel(~KWSPI_CSN_ACT | KWSPI_SMEMRDY, &spireg->ctrl); /* calculate spi clock prescaller using max_hz */ diff --git a/drivers/spi/mpc52xx_spi.c b/drivers/spi/mpc52xx_spi.c index 3e96b3f9f..4b50bca88 100644 --- a/drivers/spi/mpc52xx_spi.c +++ b/drivers/spi/mpc52xx_spi.c @@ -48,13 +48,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, { struct spi_slave *slave; - slave = malloc(sizeof(struct spi_slave)); + slave = spi_alloc_slave_base(bus, cs); if (!slave) return NULL; - slave->bus = bus; - slave->cs = cs; - return slave; } diff --git a/drivers/spi/mpc8xxx_spi.c b/drivers/spi/mpc8xxx_spi.c index 4e46041df..6b0e3b46e 100644 --- a/drivers/spi/mpc8xxx_spi.c +++ b/drivers/spi/mpc8xxx_spi.c @@ -45,13 +45,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - slave = malloc(sizeof(struct spi_slave)); + slave = spi_alloc_slave_base(bus, cs); if (!slave) return NULL; - slave->bus = bus; - slave->cs = cs; - /* * TODO: Some of the code in spi_init() should probably move * here, or into spi_claim_bus() below. diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c index 859c43fee..cb48019a4 100644 --- a/drivers/spi/mxc_spi.c +++ b/drivers/spi/mxc_spi.c @@ -137,11 +137,11 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs, return -1; } - reg_ctrl = reg_read(®s->ctrl); - /* Reset spi */ - reg_write(®s->ctrl, (reg_ctrl & ~MXC_CSPICTRL_EN)); - reg_write(®s->ctrl, (reg_ctrl | MXC_CSPICTRL_EN)); + reg_write(®s->ctrl, 0); + reg_write(®s->ctrl, MXC_CSPICTRL_EN); + + reg_ctrl = reg_read(®s->ctrl); /* * The following computation is taken directly from Freescale's code. @@ -408,7 +408,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (bus >= ARRAY_SIZE(spi_bases)) return NULL; - mxcs = calloc(sizeof(struct mxc_spi_slave), 1); + mxcs = spi_alloc_slave(struct mxc_spi_slave, bus, cs); if (!mxcs) { puts("mxc_spi: SPI Slave not allocated !\n"); return NULL; @@ -424,8 +424,6 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, cs = ret; - mxcs->slave.bus = bus; - mxcs->slave.cs = cs; mxcs->base = spi_bases[bus]; ret = spi_cfg_mxc(mxcs, cs, max_hz, mode); diff --git a/drivers/spi/mxs_spi.c b/drivers/spi/mxs_spi.c index ffa3c1d69..aa999f9a9 100644 --- a/drivers/spi/mxs_spi.c +++ b/drivers/spi/mxs_spi.c @@ -77,15 +77,13 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, return NULL; } - mxs_slave = calloc(sizeof(struct mxs_spi_slave), 1); + mxs_slave = spi_alloc_slave(struct mxs_spi_slave, bus, cs); if (!mxs_slave) return NULL; if (mxs_dma_init_channel(MXS_DMA_CHANNEL_AHB_APBH_SSP0 + bus)) goto err_init; - mxs_slave->slave.bus = bus; - mxs_slave->slave.cs = cs; mxs_slave->max_khz = max_hz / 1000; mxs_slave->mode = mode; mxs_slave->regs = mxs_ssp_regs_by_bus(bus); diff --git a/drivers/spi/oc_tiny_spi.c b/drivers/spi/oc_tiny_spi.c index fc01fb83a..6f7b1edd6 100644 --- a/drivers/spi/oc_tiny_spi.c +++ b/drivers/spi/oc_tiny_spi.c @@ -90,13 +90,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs) || gpio_request(cs, "tiny_spi")) return NULL; - tiny_spi = malloc(sizeof(*tiny_spi)); + tiny_spi = spi_alloc_slave(struct tiny_spi_slave, bus, cs); if (!tiny_spi) return NULL; - memset(tiny_spi, 0, sizeof(*tiny_spi)); - tiny_spi->slave.bus = bus; - tiny_spi->slave.cs = cs; tiny_spi->host = &tiny_spi_host_list[bus]; tiny_spi->mode = mode & (SPI_CPOL | SPI_CPHA); tiny_spi->flg = mode & SPI_CS_HIGH ? 1 : 0; diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index 344d5b8a7..80a4e4776 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -80,12 +80,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, unsigned int max_hz, unsigned int mode) { struct omap3_spi_slave *ds; - - ds = malloc(sizeof(struct omap3_spi_slave)); - if (!ds) { - printf("SPI error: malloc of SPI structure failed\n"); - return NULL; - } + struct mcspi *regs; /* * OMAP3 McSPI (MultiChannel SPI) has 4 busses (modules) @@ -98,21 +93,21 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, switch (bus) { case 0: - ds->regs = (struct mcspi *)OMAP3_MCSPI1_BASE; + regs = (struct mcspi *)OMAP3_MCSPI1_BASE; break; #ifdef OMAP3_MCSPI2_BASE case 1: - ds->regs = (struct mcspi *)OMAP3_MCSPI2_BASE; + regs = (struct mcspi *)OMAP3_MCSPI2_BASE; break; #endif #ifdef OMAP3_MCSPI3_BASE case 2: - ds->regs = (struct mcspi *)OMAP3_MCSPI3_BASE; + regs = (struct mcspi *)OMAP3_MCSPI3_BASE; break; #endif #ifdef OMAP3_MCSPI4_BASE case 3: - ds->regs = (struct mcspi *)OMAP3_MCSPI4_BASE; + regs = (struct mcspi *)OMAP3_MCSPI4_BASE; break; #endif default: @@ -120,7 +115,6 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, Supported busses 0 - 3\n", bus); return NULL; } - ds->slave.bus = bus; if (((bus == 0) && (cs > 3)) || ((bus == 1) && (cs > 1)) || @@ -130,19 +124,26 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, on bus %i\n", cs, bus); return NULL; } - ds->slave.cs = cs; if (max_hz > OMAP3_MCSPI_MAX_FREQ) { printf("SPI error: unsupported frequency %i Hz. \ Max frequency is 48 Mhz\n", max_hz); return NULL; } - ds->freq = max_hz; if (mode > SPI_MODE_3) { printf("SPI error: unsupported SPI mode %i\n", mode); return NULL; } + + ds = spi_alloc_slave(struct omap3_spi_slave, bus, cs); + if (!ds) { + printf("SPI error: malloc of SPI structure failed\n"); + return NULL; + } + + ds->regs = regs; + ds->freq = max_hz; ds->mode = mode; return &ds->slave; diff --git a/drivers/spi/sh_spi.c b/drivers/spi/sh_spi.c index e944b23c2..744afe329 100644 --- a/drivers/spi/sh_spi.c +++ b/drivers/spi/sh_spi.c @@ -103,12 +103,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - ss = malloc(sizeof(struct spi_slave)); + ss = spi_alloc_slave(struct sh_spi, bus, cs); if (!ss) return NULL; - ss->slave.bus = bus; - ss->slave.cs = cs; ss->regs = (struct sh_spi_regs *)CONFIG_SH_SPI_BASE; /* SPI sycle stop */ diff --git a/drivers/spi/soft_spi.c b/drivers/spi/soft_spi.c index 13df8cb7d..a1b84b6e3 100644 --- a/drivers/spi/soft_spi.c +++ b/drivers/spi/soft_spi.c @@ -73,12 +73,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (!spi_cs_is_valid(bus, cs)) return NULL; - ss = malloc(sizeof(struct soft_spi_slave)); + ss = spi_alloc_slave(struct soft_spi_slave, bus, cs); if (!ss) return NULL; - ss->slave.bus = bus; - ss->slave.cs = cs; ss->mode = mode; /* TODO: Use max_hz to limit the SCK rate */ diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c new file mode 100644 index 000000000..cb36c5e6e --- /dev/null +++ b/drivers/spi/spi.c @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * 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 <common.h> +#include <malloc.h> +#include <spi.h> + +void *spi_do_alloc_slave(int offset, int size, unsigned int bus, + unsigned int cs) +{ + struct spi_slave *slave; + void *ptr; + + ptr = malloc(size); + if (ptr) { + memset(ptr, '\0', size); + slave = (struct spi_slave *)(ptr + offset); + slave->bus = bus; + slave->cs = cs; + } + + return ptr; +} diff --git a/drivers/spi/tegra20_sflash.c b/drivers/spi/tegra20_sflash.c index a4e6c9aa3..9322ce7f6 100644 --- a/drivers/spi/tegra20_sflash.c +++ b/drivers/spi/tegra20_sflash.c @@ -127,7 +127,7 @@ struct spi_slave *tegra20_spi_setup_slave(unsigned int bus, unsigned int cs, return NULL; } - spi = malloc(sizeof(struct tegra_spi_slave)); + spi = spi_alloc_slave(struct tegra_spi_slave, bus, cs); if (!spi) { printf("SPI error: malloc of SPI structure failed\n"); return NULL; diff --git a/drivers/spi/tegra20_slink.c b/drivers/spi/tegra20_slink.c index 2ef2eb849..664de6e91 100644 --- a/drivers/spi/tegra20_slink.c +++ b/drivers/spi/tegra20_slink.c @@ -135,13 +135,11 @@ struct spi_slave *tegra30_spi_setup_slave(unsigned int bus, unsigned int cs, return NULL; } - spi = malloc(sizeof(struct tegra_spi_slave)); + spi = spi_alloc_slave(struct tegra_spi_slave, bus, cs); if (!spi) { printf("SPI error: malloc of SPI structure failed\n"); return NULL; } - spi->slave.bus = bus; - spi->slave.cs = cs; spi->ctrl = &spi_ctrls[bus]; if (!spi->ctrl) { printf("SPI error: could not find controller for bus %d\n", diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c index db01cc25f..a82b05694 100644 --- a/drivers/spi/xilinx_spi.c +++ b/drivers/spi/xilinx_spi.c @@ -85,14 +85,12 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, return NULL; } - xilspi = malloc(sizeof(*xilspi)); + xilspi = spi_alloc_slave(struct xilinx_spi_slave, bus, cs); if (!xilspi) { printf("XILSPI error: %s: malloc of SPI structure failed\n", __func__); return NULL; } - xilspi->slave.bus = bus; - xilspi->slave.cs = cs; xilspi->regs = (struct xilinx_spi_reg *)xilinx_spi_base_list[bus]; xilspi->freq = max_hz; xilspi->mode = mode; diff --git a/include/config_defaults.h b/include/config_defaults.h index d023c632d..567b46c87 100644 --- a/include/config_defaults.h +++ b/include/config_defaults.h @@ -12,6 +12,7 @@ /* Support bootm-ing different OSes */ #define CONFIG_BOOTM_LINUX 1 #define CONFIG_BOOTM_NETBSD 1 +#define CONFIG_BOOTM_PLAN9 1 #define CONFIG_BOOTM_RTEMS 1 #define CONFIG_GZIP 1 diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h index 87daf6268..a4aa8f745 100644 --- a/include/configs/coreboot.h +++ b/include/configs/coreboot.h @@ -179,6 +179,8 @@ #define CONFIG_CMD_SAVEENV #define CONFIG_CMD_SETGETDCR #define CONFIG_CMD_SOURCE +#define CONFIG_CMD_TIME +#define CONFIG_CMD_GETTIME #define CONFIG_CMD_XIMG #define CONFIG_CMD_SCSI @@ -257,10 +259,16 @@ /*----------------------------------------------------------------------- * FLASH configuration */ +#define CONFIG_ICH_SPI +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_MACRONIX +#define CONFIG_SPI_FLASH_WINBOND +#define CONFIG_SPI_FLASH_GIGADEVICE #define CONFIG_SYS_NO_FLASH -#undef CONFIG_FLASH_CFI_DRIVER -#define CONFIG_SYS_MAX_FLASH_SECT 1 -#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_CMD_SF +#define CONFIG_CMD_SF_TEST +#define CONFIG_CMD_SPI +#define CONFIG_SPI /*----------------------------------------------------------------------- * Environment configuration diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h index 03893d744..38ad7f4d8 100644 --- a/include/configs/mx23_olinuxino.h +++ b/include/configs/mx23_olinuxino.h @@ -24,57 +24,57 @@ /* * SoC configurations */ -#define CONFIG_MX23 /* i.MX23 SoC */ -#define CONFIG_MXS_GPIO /* GPIO control */ -#define CONFIG_SYS_HZ 1000 /* Ticks per second */ +#define CONFIG_MX23 /* i.MX23 SoC */ +#define CONFIG_MXS_GPIO /* GPIO control */ +#define CONFIG_SYS_HZ 1000 /* Ticks per second */ -#define CONFIG_MACH_TYPE 4105 +#define CONFIG_MACH_TYPE 4105 #include <asm/arch/regs-base.h> -#define CONFIG_SYS_NO_FLASH -#define CONFIG_BOARD_EARLY_INIT_F -#define CONFIG_ARCH_MISC_INIT +#define CONFIG_SYS_NO_FLASH +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_ARCH_MISC_INIT /* * SPL */ -#define CONFIG_SPL -#define CONFIG_SPL_NO_CPU_SUPPORT_CODE -#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" -#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" -#define CONFIG_SPL_LIBCOMMON_SUPPORT -#define CONFIG_SPL_LIBGENERIC_SUPPORT -#define CONFIG_SPL_GPIO_SUPPORT +#define CONFIG_SPL +#define CONFIG_SPL_NO_CPU_SUPPORT_CODE +#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" +#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_GPIO_SUPPORT /* * U-Boot Commands */ #include <config_cmd_default.h> -#define CONFIG_DISPLAY_CPUINFO -#define CONFIG_DOS_PARTITION +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DOS_PARTITION -#define CONFIG_CMD_CACHE -#define CONFIG_CMD_DHCP -#define CONFIG_CMD_EXT2 -#define CONFIG_CMD_FAT -#define CONFIG_CMD_GPIO -#define CONFIG_CMD_LED -#define CONFIG_CMD_MMC -#define CONFIG_CMD_NET -#define CONFIG_CMD_USB +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_GPIO +#define CONFIG_CMD_LED +#define CONFIG_CMD_MMC +#define CONFIG_CMD_NET +#define CONFIG_CMD_USB /* * Memory configurations */ -#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ -#define PHYS_SDRAM_1 0x40000000 /* Base address */ -#define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */ -#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ -#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */ -#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ -#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ -#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ +#define PHYS_SDRAM_1 0x40000000 /* Base address */ +#define PHYS_SDRAM_1_SIZE 0x08000000 /* Max 128 MB RAM */ +#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */ +#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */ +#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */ +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 /* Point initial SP in SRAM so SPL can use it too. */ #define CONFIG_SYS_INIT_RAM_ADDR 0x00000000 @@ -89,49 +89,49 @@ * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot * binary. In case there was more of this mess, 0x100 bytes are skipped. */ -#define CONFIG_SYS_TEXT_BASE 0x40000100 +#define CONFIG_SYS_TEXT_BASE 0x40000100 /* * U-Boot general configurations */ -#define CONFIG_SYS_LONGHELP -#define CONFIG_SYS_PROMPT "=> " -#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ -#define CONFIG_SYS_PBSIZE \ +#define CONFIG_SYS_LONGHELP +#define CONFIG_SYS_PROMPT "=> " +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ +#define CONFIG_SYS_PBSIZE \ (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) /* Print buffer size */ -#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ -#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot argument buffer size */ -#define CONFIG_VERSION_VARIABLE /* U-BOOT version */ -#define CONFIG_AUTO_COMPLETE /* Command auto complete */ -#define CONFIG_CMDLINE_EDITING /* Command history etc */ -#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_VERSION_VARIABLE /* U-BOOT version */ +#define CONFIG_AUTO_COMPLETE /* Command auto complete */ +#define CONFIG_CMDLINE_EDITING /* Command history etc */ +#define CONFIG_SYS_HUSH_PARSER /* * Serial Driver */ -#define CONFIG_PL011_SERIAL -#define CONFIG_PL011_CLOCK 24000000 -#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } -#define CONFIG_CONS_INDEX 0 -#define CONFIG_BAUDRATE 115200 /* Default baud rate */ +#define CONFIG_PL011_SERIAL +#define CONFIG_PL011_CLOCK 24000000 +#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } +#define CONFIG_CONS_INDEX 0 +#define CONFIG_BAUDRATE 115200 /* Default baud rate */ /* * Status LED */ -#define CONFIG_STATUS_LED -#define CONFIG_GPIO_LED -#define CONFIG_BOARD_SPECIFIC_LED -#define STATUS_LED_BOOT 0 -#define STATUS_LED_BIT MX23_PAD_SSP1_DETECT__GPIO_2_1 -#define STATUS_LED_STATE STATUS_LED_ON -#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) +#define CONFIG_STATUS_LED +#define CONFIG_GPIO_LED +#define CONFIG_BOARD_SPECIFIC_LED +#define STATUS_LED_BOOT 0 +#define STATUS_LED_BIT MX23_PAD_SSP1_DETECT__GPIO_2_1 +#define STATUS_LED_STATE STATUS_LED_ON +#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) /* * MMC Driver */ -#ifdef CONFIG_CMD_MMC +#ifdef CONFIG_CMD_MMC #define CONFIG_MMC #define CONFIG_BOUNCE_BUFFER #define CONFIG_GENERIC_MMC @@ -144,41 +144,41 @@ #define CONFIG_APBH_DMA /* USB */ -#ifdef CONFIG_CMD_USB -#define CONFIG_USB_EHCI -#define CONFIG_USB_EHCI_MXS -#define CONFIG_EHCI_MXS_PORT0 -#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 -#define CONFIG_EHCI_IS_TDI -#define CONFIG_USB_STORAGE +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_EHCI +#define CONFIG_USB_EHCI_MXS +#define CONFIG_EHCI_MXS_PORT0 +#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 +#define CONFIG_EHCI_IS_TDI +#define CONFIG_USB_STORAGE #endif /* Ethernet */ -#ifdef CONFIG_CMD_NET -#define CONFIG_USB_HOST_ETHER -#define CONFIG_USB_ETHER_SMSC95XX +#ifdef CONFIG_CMD_NET +#define CONFIG_USB_HOST_ETHER +#define CONFIG_USB_ETHER_SMSC95XX #endif /* * Boot Linux */ -#define CONFIG_CMDLINE_TAG -#define CONFIG_SETUP_MEMORY_TAGS -#define CONFIG_BOOTDELAY 3 -#define CONFIG_BOOTFILE "uImage" -#define CONFIG_LOADADDR 0x42000000 -#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR -#define CONFIG_OF_LIBFDT +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_LOADADDR 0x42000000 +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR +#define CONFIG_OF_LIBFDT /* * Environment */ -#define CONFIG_ENV_IS_IN_MMC -#define CONFIG_ENV_OVERWRITE -#ifdef CONFIG_ENV_IS_IN_MMC -#define CONFIG_ENV_OFFSET (256 * 1024) -#define CONFIG_ENV_SIZE (16 * 1024) -#define CONFIG_SYS_MMC_ENV_DEV 0 +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_ENV_OVERWRITE +#ifdef CONFIG_ENV_IS_IN_MMC +#define CONFIG_ENV_OFFSET (256 * 1024) +#define CONFIG_ENV_SIZE (16 * 1024) +#define CONFIG_SYS_MMC_ENV_DEV 0 #endif /* @@ -227,7 +227,7 @@ "else " \ "bootm; " \ "fi;\0" \ - "netargs=setenv bootargs console=${console_mainline},${baudrate} " \ + "netargs=setenv bootargs console=${console},${baudrate} " \ "root=/dev/nfs " \ "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ "netboot=echo Booting from net ...; " \ diff --git a/include/configs/mx25pdk.h b/include/configs/mx25pdk.h index c10e78b63..4782f68fc 100644 --- a/include/configs/mx25pdk.h +++ b/include/configs/mx25pdk.h @@ -124,6 +124,10 @@ #define CONFIG_SYS_I2C_BASE IMX_I2C_BASE #define CONFIG_SYS_I2C_SPEED 100000 +/* RTC */ +#define CONFIG_RTC_IMXDI +#define CONFIG_CMD_DATE + /* Ethernet Configs */ #define CONFIG_CMD_PING diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h index 0d918a153..d470b4733 100644 --- a/include/configs/mx28evk.h +++ b/include/configs/mx28evk.h @@ -19,9 +19,7 @@ #ifndef __MX28EVK_CONFIG_H__ #define __MX28EVK_CONFIG_H__ -/* - * SoC configurations - */ +/* SoC configurations */ #define CONFIG_MX28 /* i.MX28 SoC */ #define CONFIG_MXS_GPIO /* GPIO control */ @@ -35,9 +33,7 @@ #define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_ARCH_MISC_INIT -/* - * SPL - */ +/* SPL */ #define CONFIG_SPL #define CONFIG_SPL_NO_CPU_SUPPORT_CODE #define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" @@ -46,9 +42,7 @@ #define CONFIG_SPL_LIBGENERIC_SUPPORT #define CONFIG_SPL_GPIO_SUPPORT -/* - * U-Boot Commands - */ +/* U-Boot Commands */ #include <config_cmd_default.h> #define CONFIG_DISPLAY_CPUINFO #define CONFIG_DOS_PARTITION @@ -68,11 +62,9 @@ #define CONFIG_CMD_SPI #define CONFIG_CMD_USB #define CONFIG_CMD_BOOTZ -#define CONFIG_CMD_I2C +#define CONFIG_CMD_NAND -/* - * Memory configurations - */ +/* Memory configurations */ #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ #define PHYS_SDRAM_1 0x40000000 /* Base address */ #define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */ @@ -98,9 +90,7 @@ #define CONFIG_SYS_TEXT_BASE 0x40000100 #define CONFIG_ENV_OVERWRITE -/* - * U-Boot general configurations - */ +/* U-Boot general configurations */ #define CONFIG_SYS_LONGHELP #define CONFIG_SYS_PROMPT "MX28EVK U-Boot > " #define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */ @@ -115,24 +105,17 @@ #define CONFIG_CMDLINE_EDITING /* Command history etc */ #define CONFIG_SYS_HUSH_PARSER -/* - * Serial Driver - */ +/* Serial Driver */ #define CONFIG_PL011_SERIAL #define CONFIG_PL011_CLOCK 24000000 #define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } #define CONFIG_CONS_INDEX 0 #define CONFIG_BAUDRATE 115200 /* Default baud rate */ -/* - * DMA - */ +/* DMA */ #define CONFIG_APBH_DMA -/* - * MMC Driver - */ -#define CONFIG_ENV_IS_IN_MMC +/* MMC Driver */ #ifdef CONFIG_ENV_IS_IN_MMC #define CONFIG_ENV_OFFSET (256 * 1024) #define CONFIG_ENV_SIZE (16 * 1024) @@ -146,19 +129,44 @@ #define CONFIG_MXS_MMC #endif -/* - * NAND Driver - */ +/* NAND Driver */ +#define CONFIG_ENV_SIZE (16 * 1024) #ifdef CONFIG_CMD_NAND #define CONFIG_NAND_MXS #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define CONFIG_SYS_NAND_BASE 0x60000000 #define CONFIG_SYS_NAND_5_ADDR_CYCLE + +/* Environment is in NAND */ +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE +#define CONFIG_ENV_SECT_SIZE (128 * 1024) +#define CONFIG_ENV_RANGE (512 * 1024) +#ifndef CONFIG_ENV_OFFSET +#define CONFIG_ENV_OFFSET 0x300000 #endif +#define CONFIG_ENV_OFFSET_REDUND \ + (CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE) -/* - * Ethernet on SOC (FEC) - */ +#define CONFIG_CMD_UBI +#define CONFIG_CMD_UBIFS +#define CONFIG_CMD_MTDPARTS +#define CONFIG_RBTREE +#define CONFIG_LZO +#define CONFIG_MTD_DEVICE +#define CONFIG_MTD_PARTITIONS +#define MTDIDS_DEFAULT "nand0=gpmi-nand" +#define MTDPARTS_DEFAULT \ + "mtdparts=gpmi-nand:" \ + "3m(bootloader)ro," \ + "512k(environment)," \ + "512k(redundant-environment)," \ + "4m(kernel)," \ + "128k(fdt)," \ + "8m(ramdisk)," \ + "-(filesystem)" +#endif + +/* Ethernet on SOC (FEC) */ #ifdef CONFIG_CMD_NET #define CONFIG_NET_MULTI #define CONFIG_ETHPRIME "FEC0" @@ -168,16 +176,12 @@ #define CONFIG_MX28_FEC_MAC_IN_OCOTP #endif -/* - * RTC - */ +/* RTC */ #ifdef CONFIG_CMD_DATE #define CONFIG_RTC_MXS #endif -/* - * USB - */ +/* USB */ #ifdef CONFIG_CMD_USB #define CONFIG_USB_EHCI #define CONFIG_USB_EHCI_MXS @@ -197,9 +201,7 @@ #define CONFIG_SYS_I2C_SPEED 400000 #endif -/* - * SPI - */ +/* SPI */ #ifdef CONFIG_CMD_SPI #define CONFIG_HARD_SPI #define CONFIG_MXS_SPI @@ -232,9 +234,7 @@ #endif #endif -/* - * Boot Linux - */ +/* Boot Linux */ #define CONFIG_CMDLINE_TAG #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_BOOTDELAY 1 @@ -243,9 +243,7 @@ #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR #define CONFIG_OF_LIBFDT -/* - * Extra Environments - */ +/* Extra Environments */ #define CONFIG_EXTRA_ENV_SETTINGS \ "update_nand_full_filename=u-boot.nand\0" \ "update_nand_firmware_filename=u-boot.sb\0" \ diff --git a/include/configs/mx6qsabre_common.h b/include/configs/mx6qsabre_common.h index 9eda9ed91..0965b8f8d 100644 --- a/include/configs/mx6qsabre_common.h +++ b/include/configs/mx6qsabre_common.h @@ -36,6 +36,7 @@ #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * 1024 * 1024) #define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_BOARD_LATE_INIT #define CONFIG_MXC_GPIO #define CONFIG_MXC_UART @@ -75,6 +76,7 @@ /* Command definition */ #include <config_cmd_default.h> +#define CONFIG_CMD_BMODE #define CONFIG_CMD_BOOTZ #undef CONFIG_CMD_IMLS diff --git a/include/configs/mx6qsabrelite.h b/include/configs/mx6qsabrelite.h index 5dc8255ce..6d4b83735 100644 --- a/include/configs/mx6qsabrelite.h +++ b/include/configs/mx6qsabrelite.h @@ -216,7 +216,6 @@ "fi;\0" #define CONFIG_BOOTCOMMAND \ - "mmc dev ${mmcdev};" \ "mmc dev ${mmcdev}; if mmc rescan; then " \ "if run loadbootscript; then " \ "run bootscript; " \ @@ -228,8 +227,6 @@ "fi; " \ "else run netboot; fi" -#define CONFIG_ARP_TIMEOUT 200UL - /* Miscellaneous configurable options */ #define CONFIG_SYS_LONGHELP #define CONFIG_SYS_HUSH_PARSER diff --git a/include/configs/rpi_b.h b/include/configs/rpi_b.h index 3d55d36c6..c18b35b05 100644 --- a/include/configs/rpi_b.h +++ b/include/configs/rpi_b.h @@ -31,7 +31,7 @@ #define CONFIG_MACH_TYPE MACH_TYPE_BCM2708 /* Timer */ -#define CONFIG_SYS_HZ 1000000 +#define CONFIG_SYS_HZ 1000 /* Memory layout */ #define CONFIG_NR_DRAM_BANKS 1 diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h new file mode 100644 index 000000000..120e3f6ff --- /dev/null +++ b/include/configs/wandboard.h @@ -0,0 +1,209 @@ +/* + * Copyright (C) 2013 Freescale Semiconductor, Inc. + * + * Configuration settings for the Wandboard. + * + * 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 __CONFIG_H +#define __CONFIG_H + +#include <asm/arch/imx-regs.h> +#include <asm/imx-common/gpio.h> +#include <asm/sizes.h> + +#define CONFIG_MX6 +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO + +#define MACH_TYPE_WANDBOARD 4412 +#define CONFIG_MACH_TYPE MACH_TYPE_WANDBOARD + +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG +#define CONFIG_REVISION_TAG + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (3 * SZ_1M) + +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_MXC_GPIO + +#define CONFIG_MXC_UART +#define CONFIG_MXC_UART_BASE UART1_BASE + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE +#define CONFIG_CONS_INDEX 1 +#define CONFIG_BAUDRATE 115200 + +/* Command definition */ +#include <config_cmd_default.h> + +#undef CONFIG_CMD_IMLS + +#define CONFIG_BOOTDELAY 5 + +#define CONFIG_SYS_MEMTEST_START 0x10000000 +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 500 * SZ_1M) +#define CONFIG_LOADADDR 0x12000000 +#define CONFIG_SYS_TEXT_BASE 0x17800000 + +/* MMC Configuration */ +#define CONFIG_FSL_ESDHC +#define CONFIG_FSL_USDHC +#define CONFIG_SYS_FSL_ESDHC_ADDR 0 + +#define CONFIG_MMC +#define CONFIG_CMD_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_BOUNCE_BUFFER +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_DOS_PARTITION + +/* Ethernet Configuration */ +#define CONFIG_CMD_PING +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_MII +#define CONFIG_CMD_NET +#define CONFIG_FEC_MXC +#define CONFIG_MII +#define IMX_FEC_BASE ENET_BASE_ADDR +#define CONFIG_FEC_XCV_TYPE RGMII +#define CONFIG_ETHPRIME "FEC" +#define CONFIG_FEC_MXC_PHYADDR 1 +#define CONFIG_PHYLIB +#define CONFIG_PHY_ATHEROS + +#if defined(CONFIG_MX6DL) +#define CONFIG_DEFAULT_FDT_FILE "imx6dl-wandboard.dtb" +#elif defined(CONFIG_MX6S) +#define CONFIG_DEFAULT_FDT_FILE "imx6s-wandboard.dtb" +#endif + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "script=boot.scr\0" \ + "uimage=uImage\0" \ + "console=ttymxc0\0" \ + "fdt_high=0xffffffff\0" \ + "initrd_high=0xffffffff\0" \ + "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \ + "fdt_addr=0x11000000\0" \ + "boot_fdt=try\0" \ + "ip_dyn=yes\0" \ + "mmcdev=0\0" \ + "mmcpart=2\0" \ + "mmcroot=/dev/mmcblk0p3 rootwait rw\0" \ + "mmcargs=setenv bootargs console=${console},${baudrate} " \ + "root=${mmcroot}\0" \ + "loadbootscript=" \ + "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ + "bootscript=echo Running bootscript from mmc ...; " \ + "source\0" \ + "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \ + "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ + "mmcboot=echo Booting from mmc ...; " \ + "run mmcargs; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if run loadfdt; then " \ + "bootm ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "if test ${boot_fdt} = try; then " \ + "bootm; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "fi; " \ + "else " \ + "bootm; " \ + "fi;\0" \ + "netargs=setenv bootargs console=${console},${baudrate} " \ + "root=/dev/nfs " \ + "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ + "netboot=echo Booting from net ...; " \ + "run netargs; " \ + "if test ${ip_dyn} = yes; then " \ + "setenv get_cmd dhcp; " \ + "else " \ + "setenv get_cmd tftp; " \ + "fi; " \ + "${get_cmd} ${uimage}; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ + "bootm ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "if test ${boot_fdt} = try; then " \ + "bootm; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "fi; " \ + "else " \ + "bootm; " \ + "fi;\0" + +#define CONFIG_BOOTCOMMAND \ + "mmc dev ${mmcdev}; if mmc rescan; then " \ + "if run loadbootscript; then " \ + "run bootscript; " \ + "else " \ + "if run loaduimage; then " \ + "run mmcboot; " \ + "else run netboot; " \ + "fi; " \ + "fi; " \ + "else run netboot; fi" + +/* Miscellaneous configurable options */ +#define CONFIG_SYS_LONGHELP +#define CONFIG_SYS_HUSH_PARSER +#define CONFIG_SYS_PROMPT "=> " +#define CONFIG_AUTO_COMPLETE +#define CONFIG_SYS_CBSIZE 256 + +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_MAXARGS 16 +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR +#define CONFIG_SYS_HZ 1000 + +#define CONFIG_CMDLINE_EDITING + +/* Physical Memory Map */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR + +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM +#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR +#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE + +#define CONFIG_SYS_INIT_SP_OFFSET \ + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) + +/* FLASH and environment organization */ +#define CONFIG_SYS_NO_FLASH + +#define CONFIG_ENV_SIZE (8 * 1024) + +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_ENV_OFFSET (6 * 64 * 1024) +#define CONFIG_SYS_MMC_ENV_DEV 0 + +#define CONFIG_OF_LIBFDT +#define CONFIG_CMD_BOOTZ + +#ifndef CONFIG_SYS_DCACHE_OFF +#define CONFIG_CMD_CACHE +#endif + +#endif /* __CONFIG_H * */ diff --git a/include/env_callback.h b/include/env_callback.h index e89b6dadc..b85600065 100644 --- a/include/env_callback.h +++ b/include/env_callback.h @@ -67,7 +67,6 @@ struct env_clbk_tbl { int flags); }; -struct env_clbk_tbl *find_env_callback(const char *); void env_callback_init(ENTRY *var_entry); /* diff --git a/include/fdtdec.h b/include/fdtdec.h index a83b1608b..844991ec4 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -38,11 +38,13 @@ */ #ifdef CONFIG_PHYS_64BIT typedef u64 fdt_addr_t; +typedef u64 fdt_size_t; #define FDT_ADDR_T_NONE (-1ULL) #define fdt_addr_to_cpu(reg) be64_to_cpu(reg) #define fdt_size_to_cpu(reg) be64_to_cpu(reg) #else typedef u32 fdt_addr_t; +typedef u32 fdt_size_t; #define FDT_ADDR_T_NONE (-1U) #define fdt_addr_to_cpu(reg) be32_to_cpu(reg) #define fdt_size_to_cpu(reg) be32_to_cpu(reg) @@ -88,6 +90,7 @@ enum fdt_compat_id { COMPAT_SAMSUNG_EXYNOS_FIMD, /* Exynos Display controller */ COMPAT_SAMSUNG_EXYNOS5_DP, /* Exynos Display port controller */ COMPAT_MAXIM_MAX77686_PMIC, /* MAX77686 PMIC */ + COMPAT_GENERIC_SPI_FLASH, /* Generic SPI Flash chip */ COMPAT_MAXIM_98095_CODEC, /* MAX98095 Codec */ COMPAT_COUNT, @@ -205,6 +208,19 @@ fdt_addr_t fdtdec_get_addr(const void *blob, int node, const char *prop_name); /** + * Look up an address property in a node and return it as an address. + * The property must hold one address with a length. This is only tested + * on 32-bit machines. + * + * @param blob FDT blob + * @param node node to examine + * @param prop_name name of property to find + * @return address, if found, or FDT_ADDR_T_NONE if not + */ +fdt_addr_t fdtdec_get_addr_size(const void *blob, int node, + const char *prop_name, fdt_size_t *sizep); + +/** * Look up a 32-bit integer property in a node and return it. The property * must have at least 4 bytes of data. The value of the first cell is * returned. diff --git a/include/fsl_esdhc.h b/include/fsl_esdhc.h index 47d2fe4f1..0a1a0715e 100644 --- a/include/fsl_esdhc.h +++ b/include/fsl_esdhc.h @@ -168,6 +168,7 @@ struct fsl_esdhc_cfg { u32 esdhc_base; u32 sdhc_clk; + u8 max_bus_width; }; /* Select the correct accessors depending on endianess */ diff --git a/include/image.h b/include/image.h index 8e285f9b9..4ad0e6b21 100644 --- a/include/image.h +++ b/include/image.h @@ -84,6 +84,7 @@ #define IH_OS_UNITY 20 /* Unity OS */ #define IH_OS_INTEGRITY 21 /* INTEGRITY */ #define IH_OS_OSE 22 /* OSE */ +#define IH_OS_PLAN9 23 /* Plan 9 */ /* * CPU Architecture Codes (supported by Linux) diff --git a/include/spi.h b/include/spi.h index 60e85db9a..3fe2e1eab 100644 --- a/include/spi.h +++ b/include/spi.h @@ -49,10 +49,13 @@ * * bus: ID of the bus that the slave is attached to. * cs: ID of the chip select connected to the slave. + * max_write_size: If non-zero, the maximum number of bytes which can + * be written at once, excluding command bytes. */ struct spi_slave { unsigned int bus; unsigned int cs; + unsigned int max_write_size; }; /*----------------------------------------------------------------------- @@ -62,6 +65,47 @@ struct spi_slave { */ void spi_init(void); +/** + * spi_do_alloc_slave - Allocate a new SPI slave (internal) + * + * Allocate and zero all fields in the spi slave, and set the bus/chip + * select. Use the helper macro spi_alloc_slave() to call this. + * + * @offset: Offset of struct spi_slave within slave structure + * @size: Size of slave structure + * @bus: Bus ID of the slave chip. + * @cs: Chip select ID of the slave chip on the specified bus. + */ +void *spi_do_alloc_slave(int offset, int size, unsigned int bus, + unsigned int cs); + +/** + * spi_alloc_slave - Allocate a new SPI slave + * + * Allocate and zero all fields in the spi slave, and set the bus/chip + * select. + * + * @_struct: Name of structure to allocate (e.g. struct tegra_spi). This + * structure must contain a member 'struct spi_slave *slave'. + * @bus: Bus ID of the slave chip. + * @cs: Chip select ID of the slave chip on the specified bus. + */ +#define spi_alloc_slave(_struct, bus, cs) \ + spi_do_alloc_slave(offsetof(_struct, slave), \ + sizeof(_struct), bus, cs) + +/** + * spi_alloc_slave_base - Allocate a new SPI slave with no private data + * + * Allocate and zero all fields in the spi slave, and set the bus/chip + * select. + * + * @bus: Bus ID of the slave chip. + * @cs: Chip select ID of the slave chip on the specified bus. + */ +#define spi_alloc_slave_base(bus, cs) \ + spi_do_alloc_slave(0, sizeof(struct spi_slave), bus, cs) + /*----------------------------------------------------------------------- * Set up communications parameters for a SPI slave. * diff --git a/include/spi_flash.h b/include/spi_flash.h index 9da90624f..3b6a44edc 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -39,6 +39,7 @@ struct spi_flash { /* Erase (sector) size */ u32 sector_size; + void *memory_map; /* Address of read-only SPI flash access */ int (*read)(struct spi_flash *flash, u32 offset, size_t len, void *buf); int (*write)(struct spi_flash *flash, u32 offset, @@ -47,6 +48,44 @@ struct spi_flash { size_t len); }; +/** + * spi_flash_do_alloc - Allocate a new spi flash structure + * + * The structure is allocated and cleared with default values for + * read, write and erase, which the caller can modify. The caller must set + * up size, page_size and sector_size. + * + * Use the helper macro spi_flash_alloc() to call this. + * + * @offset: Offset of struct spi_slave within slave structure + * @size: Size of slave structure + * @spi: SPI slave + * @name: Name of SPI flash device + */ +void *spi_flash_do_alloc(int offset, int size, struct spi_slave *spi, + const char *name); + +/** + * spi_flash_alloc - Allocate a new SPI flash structure + * + * @_struct: Name of structure to allocate (e.g. struct ramtron_spi_fram). This + * structure must contain a member 'struct spi_flash *flash'. + * @spi: SPI slave + * @name: Name of SPI flash device + */ +#define spi_flash_alloc(_struct, spi, name) \ + spi_flash_do_alloc(offsetof(_struct, flash), sizeof(_struct), \ + spi, name) + +/** + * spi_flash_alloc_base - Allocate a new SPI flash structure with no private data + * + * @spi: SPI slave + * @name: Name of SPI flash device + */ +#define spi_flash_alloc_base(spi, name) \ + spi_flash_do_alloc(0, sizeof(struct spi_flash), spi, name) + struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, unsigned int max_hz, unsigned int spi_mode); void spi_flash_free(struct spi_flash *flash); diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 0f34bdcf5..403babd31 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -63,6 +63,7 @@ static const char * const compat_names[COMPAT_COUNT] = { COMPAT(SAMSUNG_EXYNOS_FIMD, "samsung,exynos-fimd"), COMPAT(SAMSUNG_EXYNOS5_DP, "samsung,exynos5-dp"), COMPAT(MAXIM_MAX77686_PMIC, "maxim,max77686_pmic"), + COMPAT(GENERIC_SPI_FLASH, "spi-flash"), COMPAT(MAXIM_98095_CODEC, "maxim,max98095-codec"), }; @@ -73,25 +74,40 @@ const char *fdtdec_get_compatible(enum fdt_compat_id id) return compat_names[id]; } -fdt_addr_t fdtdec_get_addr(const void *blob, int node, - const char *prop_name) +fdt_addr_t fdtdec_get_addr_size(const void *blob, int node, + const char *prop_name, fdt_size_t *sizep) { const fdt_addr_t *cell; int len; debug("%s: %s: ", __func__, prop_name); cell = fdt_getprop(blob, node, prop_name, &len); - if (cell && (len == sizeof(fdt_addr_t) || - len == sizeof(fdt_addr_t) * 2)) { + if (cell && ((!sizep && len == sizeof(fdt_addr_t)) || + len == sizeof(fdt_addr_t) * 2)) { fdt_addr_t addr = fdt_addr_to_cpu(*cell); + if (sizep) { + const fdt_size_t *size; - debug("%p\n", (void *)addr); + size = (fdt_size_t *)((char *)cell + + sizeof(fdt_addr_t)); + *sizep = fdt_size_to_cpu(*size); + debug("addr=%p, size=%p\n", (void *)addr, + (void *)*sizep); + } else { + debug("%p\n", (void *)addr); + } return addr; } debug("(not found)\n"); return FDT_ADDR_T_NONE; } +fdt_addr_t fdtdec_get_addr(const void *blob, int node, + const char *prop_name) +{ + return fdtdec_get_addr_size(blob, node, prop_name, NULL); +} + s32 fdtdec_get_int(const void *blob, int node, const char *prop_name, s32 default_val) { diff --git a/tools/checkpatch.pl b/tools/checkpatch.pl index 051ba0de3..9f2390187 100755 --- a/tools/checkpatch.pl +++ b/tools/checkpatch.pl @@ -272,6 +272,7 @@ our $logFunctions = qr{(?x: [a-z0-9]+_(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)| WARN(?:_RATELIMIT|_ONCE|)| panic| + debug| MODULE_[A-Z_]+ )}; |