diff options
| -rw-r--r-- | arch/arm/mach-mvebu/Kconfig | 1 | ||||
| -rw-r--r-- | board/solidrun/clearfog/clearfog.c | 33 |
2 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index 1f0dbef1c6..b1f2e97ae7 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -107,6 +107,7 @@ config TARGET_CLEARFOG bool "Support ClearFog" select 88F6820 select BOARD_LATE_INIT + select OF_BOARD_SETUP config TARGET_HELIOS4 bool "Support Helios4" diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c index 03adb591d8..6edb422155 100644 --- a/board/solidrun/clearfog/clearfog.c +++ b/board/solidrun/clearfog/clearfog.c @@ -10,6 +10,7 @@ #include <miiphy.h> #include <net.h> #include <netdev.h> +#include <mmc.h> #include <asm/global_data.h> #include <asm/io.h> #include <asm/arch/cpu.h> @@ -261,3 +262,35 @@ int board_late_init(void) return 0; } + +static bool has_emmc(void) +{ + struct mmc *mmc; + + mmc = find_mmc_device(0); + if (!mmc) + return 0; + return (!mmc_init(mmc) && IS_MMC(mmc)) ? true : false; +} + +/* + * The Clearfog devices have only one SDHC device. This is either eMMC + * if it is populated on the SOM or SDHC if not. The Linux device tree + * assumes the SDHC case. Detect if the device is an eMMC and fixup the + * device-tree, so that it will be detected by Linux. + */ +int ft_board_setup(void *blob, struct bd_info *bd) +{ + int node; + + if (has_emmc()) { + node = fdt_node_offset_by_compatible(blob, -1, "marvell,armada-380-sdhci"); + if (node < 0) + return 0; /* Unexpected eMMC device; patching not supported */ + + puts("Patching FDT so that eMMC is detected by OS\n"); + return fdt_setprop_empty(blob, node, "non-removable"); + } + + return 0; +} |