summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/spl_boot.c29
1 files changed, 6 insertions, 23 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
index d7956e57de..eb8669bb2e 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
@@ -49,13 +49,6 @@ static const iomux_cfg_t iomux_boot[] = {
MX23_PAD_LCD_D03__GPIO_1_3 | MUX_CONFIG_BOOTMODE_PAD,
MX23_PAD_LCD_D04__GPIO_1_4 | MUX_CONFIG_BOOTMODE_PAD,
MX23_PAD_LCD_D05__GPIO_1_5 | MUX_CONFIG_BOOTMODE_PAD,
-#elif defined(CONFIG_MX28)
- MX28_PAD_LCD_D00__GPIO_1_0 | MUX_CONFIG_BOOTMODE_PAD,
- MX28_PAD_LCD_D01__GPIO_1_1 | MUX_CONFIG_BOOTMODE_PAD,
- MX28_PAD_LCD_D02__GPIO_1_2 | MUX_CONFIG_BOOTMODE_PAD,
- MX28_PAD_LCD_D03__GPIO_1_3 | MUX_CONFIG_BOOTMODE_PAD,
- MX28_PAD_LCD_D04__GPIO_1_4 | MUX_CONFIG_BOOTMODE_PAD,
- MX28_PAD_LCD_D05__GPIO_1_5 | MUX_CONFIG_BOOTMODE_PAD,
#endif
};
@@ -65,10 +58,10 @@ static uint8_t mxs_get_bootmode_index(void)
int i;
uint8_t masked;
+#if defined(CONFIG_MX23)
/* Setup IOMUX of bootmode pads to GPIO */
mxs_iomux_setup_multiple_pads(iomux_boot, ARRAY_SIZE(iomux_boot));
-#if defined(CONFIG_MX23)
/* Setup bootmode pins as GPIO input */
gpio_direction_input(MX23_PAD_LCD_D00__GPIO_1_0);
gpio_direction_input(MX23_PAD_LCD_D01__GPIO_1_1);
@@ -83,21 +76,11 @@ static uint8_t mxs_get_bootmode_index(void)
bootmode |= (gpio_get_value(MX23_PAD_LCD_D03__GPIO_1_3) ? 1 : 0) << 3;
bootmode |= (gpio_get_value(MX23_PAD_LCD_D05__GPIO_1_5) ? 1 : 0) << 5;
#elif defined(CONFIG_MX28)
- /* Setup bootmode pins as GPIO input */
- gpio_direction_input(MX28_PAD_LCD_D00__GPIO_1_0);
- gpio_direction_input(MX28_PAD_LCD_D01__GPIO_1_1);
- gpio_direction_input(MX28_PAD_LCD_D02__GPIO_1_2);
- gpio_direction_input(MX28_PAD_LCD_D03__GPIO_1_3);
- gpio_direction_input(MX28_PAD_LCD_D04__GPIO_1_4);
- gpio_direction_input(MX28_PAD_LCD_D05__GPIO_1_5);
-
- /* Read bootmode pads */
- bootmode |= (gpio_get_value(MX28_PAD_LCD_D00__GPIO_1_0) ? 1 : 0) << 0;
- bootmode |= (gpio_get_value(MX28_PAD_LCD_D01__GPIO_1_1) ? 1 : 0) << 1;
- bootmode |= (gpio_get_value(MX28_PAD_LCD_D02__GPIO_1_2) ? 1 : 0) << 2;
- bootmode |= (gpio_get_value(MX28_PAD_LCD_D03__GPIO_1_3) ? 1 : 0) << 3;
- bootmode |= (gpio_get_value(MX28_PAD_LCD_D04__GPIO_1_4) ? 1 : 0) << 4;
- bootmode |= (gpio_get_value(MX28_PAD_LCD_D05__GPIO_1_5) ? 1 : 0) << 5;
+ /* The global boot mode will be detected by ROM code and its value
+ * is stored at the fixed address 0x00019BF0 in OCRAM.
+ */
+#define GLOBAL_BOOT_MODE_ADDR 0x00019BF0
+ bootmode = __raw_readl(GLOBAL_BOOT_MODE_ADDR);
#endif
for (i = 0; i < ARRAY_SIZE(mxs_boot_modes); i++) {
OpenPOWER on IntegriCloud