Add spl_sata to read a fat partition from a bootable SATA drive.
Signed-off-by: Dan Murphy dmurphy@ti.com ---
v2 - Removed debug print - http://patchwork.ozlabs.org/patch/314811/
common/Makefile | 3 +++ common/cmd_scsi.c | 2 ++ common/spl/Makefile | 1 + common/spl/spl.c | 5 +++++ common/spl/spl_sata.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ include/spl.h | 3 +++ spl/Makefile | 1 + 7 files changed, 64 insertions(+) create mode 100644 common/spl/spl_sata.c
diff --git a/common/Makefile b/common/Makefile index 4d99ecd..b0f5b62 100644 --- a/common/Makefile +++ b/common/Makefile @@ -201,6 +201,9 @@ ifdef CONFIG_SPL_USB_HOST_SUPPORT obj-$(CONFIG_SPL_USB_SUPPORT) += usb.o usb_hub.o obj-$(CONFIG_USB_STORAGE) += usb_storage.o endif +ifdef CONFIG_SPL_SATA_SUPPORT +obj-$(CONFIG_CMD_SCSI) += cmd_scsi.o +endif ifneq ($(CONFIG_SPL_NET_SUPPORT),y) obj-$(CONFIG_ENV_IS_NOWHERE) += env_nowhere.o obj-$(CONFIG_ENV_IS_IN_MMC) += env_mmc.o diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c index 7b97dc9..b3f7687 100644 --- a/common/cmd_scsi.c +++ b/common/cmd_scsi.c @@ -168,7 +168,9 @@ removable: scsi_curr_dev = -1;
printf("Found %d device(s).\n", scsi_max_devs); +#ifndef CONFIG_SPL_BUILD setenv_ulong("scsidevs", scsi_max_devs); +#endif }
int scsi_get_disk_count(void) diff --git a/common/spl/Makefile b/common/spl/Makefile index 65a1484f..64569c2 100644 --- a/common/spl/Makefile +++ b/common/spl/Makefile @@ -18,4 +18,5 @@ obj-$(CONFIG_SPL_NET_SUPPORT) += spl_net.o obj-$(CONFIG_SPL_MMC_SUPPORT) += spl_mmc.o obj-$(CONFIG_SPL_USB_SUPPORT) += spl_usb.o obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o +obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o endif diff --git a/common/spl/spl.c b/common/spl/spl.c index 0645cee..774fdad 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -210,6 +210,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2) spl_usb_load_image(); break; #endif +#ifdef CONFIG_SPL_SATA_SUPPORT + case BOOT_DEVICE_SATA: + spl_sata_load_image(); + break; +#endif default: debug("SPL: Un-supported Boot Device\n"); hang(); diff --git a/common/spl/spl_sata.c b/common/spl/spl_sata.c new file mode 100644 index 0000000..2e7adca --- /dev/null +++ b/common/spl/spl_sata.c @@ -0,0 +1,49 @@ +/* + * (C) Copyright 2013 + * Texas Instruments, <www.ti.com> + * + * Dan Murphy dmurphy@ti.com + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Derived work from spl_usb.c + */ + +#include <common.h> +#include <spl.h> +#include <asm/u-boot.h> +#include <sata.h> +#include <fat.h> +#include <version.h> +#include <image.h> + +DECLARE_GLOBAL_DATA_PTR; + +void spl_sata_load_image(void) +{ + int err; + block_dev_desc_t *stor_dev; + + err = init_sata(CONFIG_SPL_SATA_BOOT_DEVICE); + if (err) { +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT + printf("spl: sata init failed: err - %d\n", err); +#endif + hang(); + } else { + /* try to recognize storage devices immediately */ + stor_dev = scsi_get_dev(0); + } + +#ifdef CONFIG_SPL_OS_BOOT + if (spl_start_uboot() || spl_load_image_fat_os(stor_dev, + CONFIG_SYS_SATA_FAT_BOOT_PARTITION)) +#endif + err = spl_load_image_fat(stor_dev, + CONFIG_SYS_SATA_FAT_BOOT_PARTITION, + CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME); + if (err) { + puts("Error loading sata device\n"); + hang(); + } +} diff --git a/include/spl.h b/include/spl.h index 5e24856..ee09fb6 100644 --- a/include/spl.h +++ b/include/spl.h @@ -64,6 +64,9 @@ void spl_net_load_image(const char *device); /* USB SPL functions */ void spl_usb_load_image(void);
+/* SATA SPL functions */ +void spl_sata_load_image(void); + /* SPL FAT image functions */ int spl_load_image_fat(block_dev_desc_t *block_dev, int partition, const char *filename); int spl_load_image_fat_os(block_dev_desc_t *block_dev, int partition); diff --git a/spl/Makefile b/spl/Makefile index 4143e38..28fcfdd 100644 --- a/spl/Makefile +++ b/spl/Makefile @@ -85,6 +85,7 @@ LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/ LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/ LIBS-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/ LIBS-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/ +LIBS-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35)) LIBS-y += arch/$(ARCH)/imx-common/