diff options
| author | Troy Kisky <troy.kisky@boundarydevices.com> | 2012-08-15 10:31:20 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:26 +0200 |
| commit | 124a06d7fbbf82f47304d499418460312a725ad6 (patch) | |
| tree | 1d062a5e07a1904b965324cc152fa7d58432becb /arch/arm/cpu/armv7/mx5 | |
| parent | d1c679a46d4f5ad38f7e23b9a8c4bbf0fb3f9f4d (diff) | |
| download | blackbird-obmc-uboot-124a06d7fbbf82f47304d499418460312a725ad6.tar.gz blackbird-obmc-uboot-124a06d7fbbf82f47304d499418460312a725ad6.zip | |
imx-common/cmd_bmode.c: add imx bmode (bootmode) command
This is useful for forcing the ROM's
usb downloader to activate upon a watchdog reset.
Or, you can boot from either SD Card.
Currently, support added for MX53 and MX6Q
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Note: MX53 support untested.
Acked-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/cpu/armv7/mx5')
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/soc.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx5/soc.c b/arch/arm/cpu/armv7/mx5/soc.c index 98203ba514..263658aa4b 100644 --- a/arch/arm/cpu/armv7/mx5/soc.c +++ b/arch/arm/cpu/armv7/mx5/soc.c @@ -30,6 +30,7 @@ #include <asm/errno.h> #include <asm/io.h> +#include <asm/imx-common/boot_mode.h> #if !(defined(CONFIG_MX51) || defined(CONFIG_MX53)) #error "CPU_TYPE not defined" @@ -123,3 +124,33 @@ void set_chipselect_size(int const cs_size) writel(reg, &iomuxc_regs->gpr1); } + +#ifdef CONFIG_MX53 +void boot_mode_apply(unsigned cfg_val) +{ + writel(cfg_val, &((struct srtc_regs *)SRTC_BASE_ADDR)->lpgr); +} +/* + * cfg_val will be used for + * Boot_cfg3[7:0]:Boot_cfg2[7:0]:Boot_cfg1[7:0] + * + * If bit 28 of LPGR is set upon watchdog reset, + * bits[25:0] of LPGR will move to SBMR. + */ +const struct boot_mode soc_boot_modes[] = { + {"normal", MAKE_CFGVAL(0x00, 0x00, 0x00, 0x00)}, + /* usb or serial download */ + {"usb", MAKE_CFGVAL(0x00, 0x00, 0x00, 0x13)}, + {"sata", MAKE_CFGVAL(0x28, 0x00, 0x00, 0x12)}, + {"escpi1:0", MAKE_CFGVAL(0x38, 0x20, 0x00, 0x12)}, + {"escpi1:1", MAKE_CFGVAL(0x38, 0x20, 0x04, 0x12)}, + {"escpi1:2", MAKE_CFGVAL(0x38, 0x20, 0x08, 0x12)}, + {"escpi1:3", MAKE_CFGVAL(0x38, 0x20, 0x0c, 0x12)}, + /* 4 bit bus width */ + {"esdhc1", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x12)}, + {"esdhc2", MAKE_CFGVAL(0x40, 0x20, 0x08, 0x12)}, + {"esdhc3", MAKE_CFGVAL(0x40, 0x20, 0x10, 0x12)}, + {"esdhc4", MAKE_CFGVAL(0x40, 0x20, 0x18, 0x12)}, + {NULL, 0}, +}; +#endif |
