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SPL:SPI: Add Falcon Mode support

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Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2014-04-03 07:52:55 -04:00
parent 585d8bc116
commit fa1a73fa87
1 changed files with 40 additions and 6 deletions
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46
drivers/mtd/spi/spi_spl_load.c
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@ -13,6 +13,35 @@
#include <spi_flash.h> #include <spi_flash.h>
#include <spl.h> #include <spl.h>
#ifdef CONFIG_SPL_OS_BOOT
/*
* Load the kernel, check for a valid header we can parse, and if found load
* the kernel and then device tree.
*/
static int spi_load_image_os(struct spi_flash *flash,
struct image_header *header)
{
/* Read for a header, parse or error out. */
spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, 0x40,
(void *)header);
if (image_get_magic(header) != IH_MAGIC)
return -1;
spl_parse_image_header(header);
spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS,
spl_image.size, (void *)spl_image.load_addr);
/* Read device tree. */
spi_flash_read(flash, CONFIG_SYS_SPI_ARGS_OFFS,
CONFIG_SYS_SPI_ARGS_SIZE,
(void *)CONFIG_SYS_SPL_ARGS_ADDR);
return 0;
}
#endif
/* /*
* The main entry for SPI booting. It's necessary that SDRAM is already * The main entry for SPI booting. It's necessary that SDRAM is already
* configured and available since this code loads the main U-Boot image * configured and available since this code loads the main U-Boot image
@ -37,10 +66,15 @@ void spl_spi_load_image(void)
/* use CONFIG_SYS_TEXT_BASE as temporary storage area */ /* use CONFIG_SYS_TEXT_BASE as temporary storage area */
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE); header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
/* Load u-boot, mkimage header is 64 bytes. */ #ifdef CONFIG_SPL_OS_BOOT
spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40, if (spl_start_uboot() || spi_load_image_os(flash, header))
(void *)header); #endif
spl_parse_image_header(header); {
spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, /* Load u-boot, mkimage header is 64 bytes. */
spl_image.size, (void *)spl_image.load_addr); spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40,
(void *)header);
spl_parse_image_header(header);
spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
spl_image.size, (void *)spl_image.load_addr);
}
} }