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-rw-r--r--arch/arm/mach-davinci/include/mach/hardware.h16
-rw-r--r--arch/arm/mach-davinci/spl.c31
2 files changed, 36 insertions, 11 deletions
diff --git a/arch/arm/mach-davinci/include/mach/hardware.h b/arch/arm/mach-davinci/include/mach/hardware.h
index 2a0360a..c31f38c 100644
--- a/arch/arm/mach-davinci/include/mach/hardware.h
+++ b/arch/arm/mach-davinci/include/mach/hardware.h
@@ -475,12 +475,15 @@ int clk_get(enum davinci_clk_ids id);
/* Boot config */
struct davinci_syscfg_regs {
dv_reg revid;
- dv_reg rsvd[13];
+ dv_reg rsvd[7];
+ dv_reg bootcfg;
+ dv_reg chiprevidr;
+ dv_reg rsvd2[4];
dv_reg kick0;
dv_reg kick1;
dv_reg rsvd1[52];
dv_reg mstpri[3];
- dv_reg rsvd2;
+ dv_reg rsvd3;
dv_reg pinmux[20];
dv_reg suspsrc;
dv_reg chipsig;
@@ -495,6 +498,15 @@ struct davinci_syscfg_regs {
#define davinci_syscfg_regs \
((struct davinci_syscfg_regs *)DAVINCI_BOOTCFG_BASE)
+enum {
+ DAVINCI_NAND8_BOOT = 0b001110,
+ DAVINCI_NAND16_BOOT = 0b010000,
+ DAVINCI_SD_OR_MMC_BOOT = 0b011100,
+ DAVINCI_MMC_ONLY_BOOT = 0b111100,
+ DAVINCI_SPI0_FLASH_BOOT = 0b001010,
+ DAVINCI_SPI1_FLASH_BOOT = 0b001100,
+};
+
#define pinmux(x) (&davinci_syscfg_regs->pinmux[x])
/* Emulation suspend bits */
diff --git a/arch/arm/mach-davinci/spl.c b/arch/arm/mach-davinci/spl.c
index 0aeaa7d..564c200 100644
--- a/arch/arm/mach-davinci/spl.c
+++ b/arch/arm/mach-davinci/spl.c
@@ -52,14 +52,27 @@ u32 spl_boot_mode(const u32 boot_device)
u32 spl_boot_device(void)
{
-#ifdef CONFIG_SPL_NAND_SIMPLE
- return BOOT_DEVICE_NAND;
-#elif defined(CONFIG_SPL_SPI_LOAD)
- return BOOT_DEVICE_SPI;
-#elif defined(CONFIG_SPL_MMC_LOAD)
- return BOOT_DEVICE_MMC1;
-#else
- puts("Unknown boot device\n");
- hang();
+ switch (davinci_syscfg_regs->bootcfg) {
+#ifdef CONFIG_SPL_NAND_SUPPORT
+ case DAVINCI_NAND8_BOOT:
+ case DAVINCI_NAND16_BOOT:
+ return BOOT_DEVICE_NAND;
#endif
+
+#ifdef CONFIG_SPL_MMC_SUPPORT
+ case DAVINCI_SD_OR_MMC_BOOT:
+ case DAVINCI_MMC_ONLY_BOOT:
+ return BOOT_DEVICE_MMC1;
+#endif
+
+#ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
+ case DAVINCI_SPI0_FLASH_BOOT:
+ case DAVINCI_SPI1_FLASH_BOOT:
+ return BOOT_DEVICE_SPI;
+#endif
+
+ default:
+ puts("Unknown boot device\n");
+ hang();
+ }
}