diff options
| author | Andrew F. Davis <afd@ti.com> | 2017-04-07 14:29:36 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-04-08 21:35:08 -0400 |
| commit | 6dca5e8ab5c1c896b9abf1f55e42428cb3709102 (patch) | |
| tree | 2ad207d65ab018d3e22ef492bdb2e84aadec857a | |
| parent | 046732df5048624bd2a6fe758677020c71d64494 (diff) | |
spl: net: Add FIT image support over network boot
FIT support in the net boot case is much like the RAM boot case in that
we load our image to "load_addr" and pass a dummy read function into
"spl_load_simple_fit()". As the load address is no longer hard-coded to
the final execution address, legacy image loading will require load_addr
to be set correctly in the image header.
Signed-off-by: Andrew F. Davis <afd@ti.com>
| -rw-r--r-- | common/spl/spl_net.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/common/spl/spl_net.c b/common/spl/spl_net.c index 0fba0172ea..85fe508b17 100644 --- a/common/spl/spl_net.c +++ b/common/spl/spl_net.c @@ -11,19 +11,29 @@ #include <errno.h> #include <spl.h> #include <net.h> +#include <libfdt.h> DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT) +static ulong spl_net_load_read(struct spl_load_info *load, ulong sector, + ulong count, void *buf) +{ + debug("%s: sector %lx, count %lx, buf %lx\n", + __func__, sector, count, (ulong)buf); + memcpy(buf, (void *)(load_addr + sector), count); + return count; +} + static int spl_net_load_image(struct spl_image_info *spl_image, struct spl_boot_device *bootdev) { + struct image_header *header = (struct image_header *)load_addr; int rv; env_init(); env_relocate(); setenv("autoload", "yes"); - load_addr = CONFIG_SYS_TEXT_BASE - sizeof(struct image_header); rv = eth_initialize(); if (rv == 0) { printf("No Ethernet devices found\n"); @@ -36,8 +46,26 @@ static int spl_net_load_image(struct spl_image_info *spl_image, printf("Problem booting with BOOTP\n"); return rv; } - return spl_parse_image_header(spl_image, - (struct image_header *)load_addr); + + if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && + image_get_magic(header) == FDT_MAGIC) { + struct spl_load_info load; + + debug("Found FIT\n"); + load.bl_len = 1; + load.read = spl_net_load_read; + rv = spl_load_simple_fit(spl_image, &load, 0, header); + } else { + debug("Legacy image\n"); + + rv = spl_parse_image_header(spl_image, header); + if (rv) + return rv; + + memcpy((void *)spl_image->load_addr, header, spl_image->size); + } + + return rv; } #endif |