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| author | Dmitry Lifshitz <lifshitz@compulab.co.il> | 2014-12-15 16:02:58 +0200 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2015-01-05 15:13:47 -0500 |
| commit | 87791adc22ecb513e5f34cf51e167d3638da75da (patch) | |
| tree | 20e38cf8fb76ef256a7f38538d517cd98ae3857f /arch/arm/cpu/armv7 | |
| parent | 8decf5d4a59a538ce918579d63cd7224266091d6 (diff) | |
| download | u-boot-imx-87791adc22ecb513e5f34cf51e167d3638da75da.zip u-boot-imx-87791adc22ecb513e5f34cf51e167d3638da75da.tar.gz u-boot-imx-87791adc22ecb513e5f34cf51e167d3638da75da.tar.bz2 | |
arm: omap: reset sata on boot
On OMAP platforms (like OMAP5) Linux kernel fails to detect a SATA
device if it is used by U-Boot.
It happens because U-Boot does not reset SATA controller before boot.
Reset the controller on OS boot so that Linux will have a clean state
to work with.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7')
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/boot-common.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index cb18908..00a1082 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -9,12 +9,14 @@ */ #include <common.h> +#include <ahci.h> #include <spl.h> #include <asm/omap_common.h> #include <asm/arch/omap.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/sys_proto.h> #include <watchdog.h> +#include <scsi.h> DECLARE_GLOBAL_DATA_PTR; @@ -143,3 +145,10 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) image_entry((u32 *)&gd->arch.omap_boot_params); } #endif + +#ifdef CONFIG_SCSI_AHCI_PLAT +void arch_preboot_os(void) +{ + ahci_reset(DWC_AHSATA_BASE); +} +#endif |