diff options
Diffstat (limited to 'arch/arm/cpu/armv7/mx7ulp')
| -rw-r--r-- | arch/arm/cpu/armv7/mx7ulp/soc.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx7ulp/soc.c b/arch/arm/cpu/armv7/mx7ulp/soc.c index d0f4897..a6118af 100644 --- a/arch/arm/cpu/armv7/mx7ulp/soc.c +++ b/arch/arm/cpu/armv7/mx7ulp/soc.c @@ -9,6 +9,7 @@ #include <asm/sections.h> #include <asm/arch/sys_proto.h> #include <asm/imx-common/hab.h> +#include <fdt_support.h> static char *get_reset_cause(char *); @@ -288,3 +289,40 @@ int mmc_get_env_dev(void) return board_mmc_get_env_dev(devno); } #endif + +#ifdef CONFIG_OF_SYSTEM_SETUP +int ft_system_setup(void *blob, bd_t *bd) +{ +#if !defined(CONFIG_FSL_FASTBOOT) && defined(is_boot_from_usb) + if (is_boot_from_usb()) { + int rc; + int nodeoff = fdt_path_offset(blob, "/ahb-bridge0@40000000/usdhc@40370000"); + if (nodeoff < 0) + return 0; /* Not found, skip it */ + + printf("Found usdhc0 node\n"); + if (fdt_get_property(blob, nodeoff, "vqmmc-supply", NULL) != NULL) { + rc = fdt_delprop(blob, nodeoff, "vqmmc-supply"); + if (!rc) { + printf("Removed vqmmc-supply property\n"); + +add: + rc = fdt_setprop(blob, nodeoff, "no-1-8-v", NULL, 0); + if (rc == -FDT_ERR_NOSPACE) { + rc = fdt_increase_size(blob, 32); + if (!rc) + goto add; + } else if (rc) { + printf("Failed to add no-1-8-v property, %d\n", rc); + } else { + printf("Added no-1-8-v property\n"); + } + } else { + printf("Failed to remove vqmmc-supply property, %d\n", rc); + } + } + } +#endif + return 0; +} +#endif |