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common: spl: Add spl sata boot support 

Add spl_sata to read a fat partition from a bootable SATA
drive.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
This commit is contained in:
Dan Murphy 2014-02-03 06:59:01 -06:00 committed by Tom Rini
parent 054c838834
commit fff40a7e02
7 changed files with 64 additions and 0 deletions
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3
common/Makefile
View File

@ -202,6 +202,9 @@ 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

2
common/cmd_scsi.c
View File

@ -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)

1
common/spl/Makefile
View File

@ -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

5
common/spl/spl.c
View File

@ -209,6 +209,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
case BOOT_DEVICE_USB:
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");

49
common/spl/spl_sata.c Normal file
View File

@ -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();
}
}

3
include/spl.h
View File

@ -65,6 +65,9 @@ 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);

1
spl/Makefile
View File

@ -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/