diff options
Diffstat (limited to 'arch/arm/mach-imx/imx1.c')
| -rw-r--r-- | arch/arm/mach-imx/imx1.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/imx1.c b/arch/arm/mach-imx/imx1.c index 790e4535d7..18901ea6d0 100644 --- a/arch/arm/mach-imx/imx1.c +++ b/arch/arm/mach-imx/imx1.c @@ -14,8 +14,34 @@ #include <common.h> #include <init.h> #include <io.h> -#include <mach/imx-regs.h> +#include <mach/imx1-regs.h> #include <mach/weim.h> +#include <mach/iomux-v1.h> +#include <reset_source.h> + +#define MX1_RSR MX1_SCM_BASE_ADDR +#define RSR_EXR (1 << 0) +#define RSR_WDR (1 << 1) + +static void imx1_detect_reset_source(void) +{ + u32 val = readl((void *)MX1_RSR) & 0x3; + + switch (val) { + case RSR_EXR: + set_reset_source(RESET_RST); + return; + case RSR_WDR: + set_reset_source(RESET_WDG); + return; + case 0: + set_reset_source(RESET_POR); + return; + default: + /* else keep the default 'unknown' state */ + return; + } +} void imx1_setup_eimcs(size_t cs, unsigned upper, unsigned lower) { @@ -25,12 +51,16 @@ void imx1_setup_eimcs(size_t cs, unsigned upper, unsigned lower) static int imx1_init(void) { + imx_iomuxv1_init((void *)MX1_GPIO1_BASE_ADDR); + imx1_detect_reset_source(); + add_generic_device("imx1-ccm", 0, NULL, MX1_CCM_BASE_ADDR, 0x1000, IORESOURCE_MEM, NULL); add_generic_device("imx1-gpt", 0, NULL, MX1_TIM1_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL); add_generic_device("imx1-gpio", 0, NULL, MX1_GPIO1_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL); add_generic_device("imx1-gpio", 1, NULL, MX1_GPIO2_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL); add_generic_device("imx1-gpio", 2, NULL, MX1_GPIO3_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL); add_generic_device("imx1-gpio", 3, NULL, MX1_GPIO4_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL); + add_generic_device("imx1-wdt", 0, NULL, MX1_WDT_BASE_ADDR, 0x100, IORESOURCE_MEM, NULL); return 0; } |