diff options
Diffstat (limited to 'arch/arm/mach-imx/boot.c')
| -rw-r--r-- | arch/arm/mach-imx/boot.c | 106 |
1 files changed, 82 insertions, 24 deletions
diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c index 376e370cf9..b66c29d8d9 100644 --- a/arch/arm/mach-imx/boot.c +++ b/arch/arm/mach-imx/boot.c @@ -20,7 +20,10 @@ #include <io.h> #include <mach/generic.h> #include <mach/imx25-regs.h> +#include <mach/imx27-regs.h> #include <mach/imx35-regs.h> +#include <mach/imx51-regs.h> +#include <mach/imx53-regs.h> #include <mach/imx6-regs.h> /* [CTRL][TYPE] */ @@ -75,8 +78,9 @@ static void imx25_35_boot_save_loc(unsigned int ctrl, unsigned int type) bootsource_set(src); } -void imx25_boot_save_loc(void __iomem *ccm_base) +void imx25_get_boot_source(enum bootsource *src, int *instance) { + void __iomem *ccm_base = IOMEM(MX25_CCM_BASE_ADDR); uint32_t val; val = readl(ccm_base + MX25_CCM_RCSR); @@ -84,8 +88,20 @@ void imx25_boot_save_loc(void __iomem *ccm_base) (val >> MX25_CCM_RCSR_MEM_TYPE_SHIFT) & 0x3); } -void imx35_boot_save_loc(void __iomem *ccm_base) +void imx25_boot_save_loc(void) { + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx25_get_boot_source(&src, &instance); + + bootsource_set(src); + bootsource_set_instance(instance); +} + +void imx35_get_boot_source(enum bootsource *src, int *instance) +{ + void __iomem *ccm_base = IOMEM(MX35_CCM_BASE_ADDR); uint32_t val; val = readl(ccm_base + MX35_CCM_RCSR); @@ -93,6 +109,17 @@ void imx35_boot_save_loc(void __iomem *ccm_base) (val >> MX35_CCM_RCSR_MEM_TYPE_SHIFT) & 0x3); } +void imx35_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx35_get_boot_source(&src, &instance); + + bootsource_set(src); + bootsource_set_instance(instance); +} + #define IMX27_SYSCTRL_GPCR 0x18 #define IMX27_GPCR_BOOT_SHIFT 16 #define IMX27_GPCR_BOOT_MASK (0xf << IMX27_GPCR_BOOT_SHIFT) @@ -104,9 +131,9 @@ void imx35_boot_save_loc(void __iomem *ccm_base) #define IMX27_GPCR_BOOT_32BIT_CS0 6 #define IMX27_GPCR_BOOT_8BIT_NAND_512 7 -void imx27_boot_save_loc(void __iomem *sysctrl_base) +void imx27_get_boot_source(enum bootsource *src, int *instance) { - enum bootsource src; + void __iomem *sysctrl_base = IOMEM(MX27_SYSCTRL_BASE_ADDR); uint32_t val; val = readl(sysctrl_base + IMX27_SYSCTRL_GPCR); @@ -115,20 +142,29 @@ void imx27_boot_save_loc(void __iomem *sysctrl_base) switch (val) { case IMX27_GPCR_BOOT_UART_USB: - src = BOOTSOURCE_SERIAL; + *src = BOOTSOURCE_SERIAL; break; case IMX27_GPCR_BOOT_8BIT_NAND_2k: case IMX27_GPCR_BOOT_16BIT_NAND_2k: case IMX27_GPCR_BOOT_16BIT_NAND_512: case IMX27_GPCR_BOOT_8BIT_NAND_512: - src = BOOTSOURCE_NAND; + *src = BOOTSOURCE_NAND; break; default: - src = BOOTSOURCE_NOR; + *src = BOOTSOURCE_NOR; break; } +} + +void imx27_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx27_get_boot_source(&src, &instance); bootsource_set(src); + bootsource_set_instance(instance); } #define IMX51_SRC_SBMR 0x4 @@ -136,9 +172,9 @@ void imx27_boot_save_loc(void __iomem *sysctrl_base) #define IMX51_SBMR_BT_MEM_CTL_SHIFT 0 #define IMX51_SBMR_BMOD_SHIFT 14 -void imx51_boot_save_loc(void __iomem *src_base) +void imx51_get_boot_source(enum bootsource *src, int *instance) { - enum bootsource src = BOOTSOURCE_UNKNOWN; + void __iomem *src_base = IOMEM(MX51_SRC_BASE_ADDR); uint32_t reg; unsigned int ctrl, type; @@ -151,62 +187,84 @@ void imx51_boot_save_loc(void __iomem *src_base) ctrl = (reg >> IMX51_SBMR_BT_MEM_CTL_SHIFT) & 0x3; type = (reg >> IMX51_SBMR_BT_MEM_TYPE_SHIFT) & 0x3; - src = locations[ctrl][type]; + *src = locations[ctrl][type]; break; case 1: /* reserved */ - src = BOOTSOURCE_UNKNOWN; + *src = BOOTSOURCE_UNKNOWN; break; case 3: - src = BOOTSOURCE_SERIAL; + *src = BOOTSOURCE_SERIAL; break; } +} + +void imx51_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx51_get_boot_source(&src, &instance); bootsource_set(src); + bootsource_set_instance(instance); } #define IMX53_SRC_SBMR 0x4 -void imx53_boot_save_loc(void __iomem *src_base) +void imx53_get_boot_source(enum bootsource *src, int *instance) { - enum bootsource src = BOOTSOURCE_UNKNOWN; - int instance; + void __iomem *src_base = IOMEM(MX53_SRC_BASE_ADDR); uint32_t cfg1 = readl(src_base + IMX53_SRC_SBMR); + if (((cfg1 >> 24) & 0x3) == 0x3) { + *src = BOOTSOURCE_USB; + *instance = 0; + return; + } + switch ((cfg1 & 0xff) >> 4) { case 2: - src = BOOTSOURCE_HD; + *src = BOOTSOURCE_HD; break; case 3: if (cfg1 & (1 << 3)) - src = BOOTSOURCE_SPI; + *src = BOOTSOURCE_SPI; else - src = BOOTSOURCE_I2C; + *src = BOOTSOURCE_I2C; break; case 4: case 5: case 6: case 7: - src = BOOTSOURCE_MMC; + *src = BOOTSOURCE_MMC; break; default: break; } if (cfg1 & (1 << 7)) - src = BOOTSOURCE_NAND; + *src = BOOTSOURCE_NAND; - switch (src) { + switch (*src) { case BOOTSOURCE_MMC: case BOOTSOURCE_SPI: case BOOTSOURCE_I2C: - instance = (cfg1 >> 20) & 0x3; + *instance = (cfg1 >> 20) & 0x3; break; default: - instance = 0; + *instance = 0; break; } +} + +void imx53_boot_save_loc(void) +{ + enum bootsource src = BOOTSOURCE_UNKNOWN; + int instance = BOOTSOURCE_INSTANCE_UNKNOWN; + + imx53_get_boot_source(&src, &instance); bootsource_set(src); bootsource_set_instance(instance); @@ -278,7 +336,7 @@ internal_boot: return; } -void imx6_boot_save_loc(void __iomem *src_base) +void imx6_boot_save_loc(void) { enum bootsource src = BOOTSOURCE_UNKNOWN; int instance = BOOTSOURCE_INSTANCE_UNKNOWN; |