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#include <common.h>
#include <partition.h>
#include <nand.h>
#include <driver.h>
#include <linux/mtd/mtd.h>
#include <fs.h>
#include <fcntl.h>
#include <mach/xload.h>
#include <sizes.h>
void *omap_xload_boot_nand(int offset, int size)
{
int ret;
void *to = xmalloc(size);
struct cdev *cdev;
devfs_add_partition("nand0", offset, size, PARTITION_FIXED, "x");
dev_add_bb_dev("x", "bbx");
cdev = cdev_open("bbx", O_RDONLY);
if (!cdev) {
printf("failed to open nand\n");
return NULL;
}
ret = cdev_read(cdev, to, size, 0, 0);
if (ret != size) {
printf("failed to read from nand\n");
return NULL;
}
return to;
}
void *omap_xload_boot_mmc(void)
{
int ret;
void *buf;
int len;
ret = mount("disk0.0", "fat", "/");
if (ret) {
printf("mounting sd card failed with %d\n", ret);
return NULL;
}
buf = read_file("/barebox.bin", &len);
if (!buf) {
printf("could not read barebox.bin from sd card\n");
return NULL;
}
return buf;
}
enum omap_boot_src omap_bootsrc(void)
{
#if defined(CONFIG_ARCH_OMAP3)
return omap3_bootsrc();
#elif defined(CONFIG_ARCH_OMAP4)
return omap4_bootsrc();
#endif
}
/*
* Replaces the default shell in xload configuration
*/
int run_shell(void)
{
int (*func)(void) = NULL;
switch (omap_bootsrc())
{
case OMAP_BOOTSRC_MMC1:
printf("booting from MMC1\n");
func = omap_xload_boot_mmc();
break;
case OMAP_BOOTSRC_UNKNOWN:
printf("unknown boot source. Fall back to nand\n");
case OMAP_BOOTSRC_NAND:
printf("booting from NAND\n");
func = omap_xload_boot_nand(SZ_128K, SZ_256K);
break;
}
if (!func) {
printf("booting failed\n");
while (1);
}
shutdown_barebox();
func();
while (1);
}
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