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-rw-r--r--common/cmd_armflash.c300
1 files changed, 0 insertions, 300 deletions
diff --git a/common/cmd_armflash.c b/common/cmd_armflash.c
deleted file mode 100644
index b94d128faa..0000000000
--- a/common/cmd_armflash.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * (C) Copyright 2015
- * Linus Walleij, Linaro
- *
- * Support for ARM Flash Partitions
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-#include <common.h>
-#include <command.h>
-#include <console.h>
-#include <asm/io.h>
-
-#define MAX_REGIONS 4
-#define MAX_IMAGES 32
-
-struct afs_region {
- u32 load_address;
- u32 size;
- u32 offset;
-};
-
-struct afs_image {
- flash_info_t *flinfo;
- const char *name;
- u32 version;
- u32 entrypoint;
- u32 attributes;
- u32 region_count;
- struct afs_region regions[MAX_REGIONS];
- ulong flash_mem_start;
- ulong flash_mem_end;
-};
-
-static struct afs_image afs_images[MAX_IMAGES];
-static int num_afs_images;
-
-static u32 compute_crc(ulong start, u32 len)
-{
- u32 sum = 0;
- int i;
-
- if (len % 4 != 0) {
- printf("bad checksumming\n");
- return 0;
- }
-
- for (i = 0; i < len; i += 4) {
- u32 val;
-
- val = readl((void *)start + i);
- if (val > ~sum)
- sum++;
- sum += val;
- }
- return ~sum;
-}
-
-static void parse_bank(ulong bank)
-{
- int i;
- ulong flstart, flend;
- flash_info_t *info;
-
- info = &flash_info[bank];
- if (info->flash_id != FLASH_MAN_CFI) {
- printf("Bank %lu: missing or unknown FLASH type\n", bank);
- return;
- }
- if (!info->sector_count) {
- printf("Bank %lu: no FLASH sectors\n", bank);
- return;
- }
-
- flstart = info->start[0];
- flend = flstart + info->size;
-
- for (i = 0; i < info->sector_count; ++i) {
- ulong secend;
- u32 foot1, foot2;
-
- if (ctrlc())
- break;
-
- if (i == info->sector_count-1)
- secend = flend;
- else
- secend = info->start[i+1];
-
- /* Check for v1 header */
- foot1 = readl((void *)secend - 0x0c);
- if (foot1 == 0xA0FFFF9FU) {
- struct afs_image *afi = &afs_images[num_afs_images];
- ulong imginfo;
-
- afi->flinfo = info;
- afi->version = 1;
- afi->flash_mem_start = readl((void *)secend - 0x10);
- afi->flash_mem_end = readl((void *)secend - 0x14);
- afi->attributes = readl((void *)secend - 0x08);
- /* Adjust to even address */
- imginfo = afi->flash_mem_end + afi->flash_mem_end % 4;
- /* Record as a single region */
- afi->region_count = 1;
- afi->regions[0].offset = readl((void *)imginfo + 0x04);
- afi->regions[0].load_address =
- readl((void *)imginfo + 0x08);
- afi->regions[0].size = readl((void *)imginfo + 0x0C);
- afi->entrypoint = readl((void *)imginfo + 0x10);
- afi->name = (const char *)imginfo + 0x14;
- num_afs_images++;
- }
-
- /* Check for v2 header */
- foot1 = readl((void *)secend - 0x04);
- foot2 = readl((void *)secend - 0x08);
- /* This makes up the string "HSLFTOOF" flash footer */
- if (foot1 == 0x464F4F54U && foot2 == 0x464C5348U) {
- struct afs_image *afi = &afs_images[num_afs_images];
- ulong imginfo;
- u32 block_start, block_end;
- int j;
-
- afi->flinfo = info;
- afi->version = readl((void *)secend - 0x0c);
- imginfo = secend - 0x30 - readl((void *)secend - 0x10);
- afi->name = (const char *)secend - 0x30;
-
- afi->entrypoint = readl((void *)imginfo+0x08);
- afi->attributes = readl((void *)imginfo+0x0c);
- afi->region_count = readl((void *)imginfo+0x10);
- block_start = readl((void *)imginfo+0x54);
- block_end = readl((void *)imginfo+0x58);
- afi->flash_mem_start = afi->flinfo->start[block_start];
- afi->flash_mem_end = afi->flinfo->start[block_end];
-
- /*
- * Check footer CRC, the algorithm saves the inverse
- * checksum as part of the summed words, and thus
- * the result should be zero.
- */
- if (compute_crc(imginfo + 8, 0x88) != 0) {
- printf("BAD CRC on ARM image info\n");
- printf("(continuing anyway)\n");
- }
-
- /* Parse regions */
- for (j = 0; j < afi->region_count; j++) {
- afi->regions[j].load_address =
- readl((void *)imginfo+0x14 + j*0x10);
- afi->regions[j].size =
- readl((void *)imginfo+0x18 + j*0x10);
- afi->regions[j].offset =
- readl((void *)imginfo+0x1c + j*0x10);
- /*
- * At offset 0x20 + j*0x10 there is a region
- * checksum which seems to be the running
- * sum + 3, however since we anyway checksum
- * the entire footer this is skipped over for
- * checking here.
- */
- }
- num_afs_images++;
- }
- }
-}
-
-static void parse_flash(void)
-{
- ulong bank;
-
- /* We have already parsed the images in flash */
- if (num_afs_images > 0)
- return;
- for (bank = 0; bank < CONFIG_SYS_MAX_FLASH_BANKS; ++bank)
- parse_bank(bank);
-}
-
-static int load_image(const char * const name, const ulong address)
-{
- struct afs_image *afi = NULL;
- int i;
-
- parse_flash();
- for (i = 0; i < num_afs_images; i++) {
- struct afs_image *tmp = &afs_images[i];
-
- if (!strcmp(tmp->name, name)) {
- afi = tmp;
- break;
- }
- }
- if (!afi) {
- printf("image \"%s\" not found in flash\n", name);
- return CMD_RET_FAILURE;
- }
-
- for (i = 0; i < afi->region_count; i++) {
- ulong from, to;
-
- from = afi->flash_mem_start + afi->regions[i].offset;
- if (address) {
- to = address;
- } else if (afi->regions[i].load_address) {
- to = afi->regions[i].load_address;
- } else {
- printf("no valid load address\n");
- return CMD_RET_FAILURE;
- }
-
- memcpy((void *)to, (void *)from, afi->regions[i].size);
-
- printf("loaded region %d from %08lX to %08lX, %08X bytes\n",
- i,
- from,
- to,
- afi->regions[i].size);
- }
- return CMD_RET_SUCCESS;
-}
-
-static void print_images(void)
-{
- int i;
-
- parse_flash();
- for (i = 0; i < num_afs_images; i++) {
- struct afs_image *afi = &afs_images[i];
- int j;
-
- printf("Image: \"%s\" (v%d):\n", afi->name, afi->version);
- printf(" Entry point: 0x%08X\n", afi->entrypoint);
- printf(" Attributes: 0x%08X: ", afi->attributes);
- if (afi->attributes == 0x01)
- printf("ARM executable");
- if (afi->attributes == 0x08)
- printf("ARM backup");
- printf("\n");
- printf(" Flash mem start: 0x%08lX\n",
- afi->flash_mem_start);
- printf(" Flash mem end: 0x%08lX\n",
- afi->flash_mem_end);
- for (j = 0; j < afi->region_count; j++) {
- printf(" region %d\n"
- " load address: %08X\n"
- " size: %08X\n"
- " offset: %08X\n",
- j,
- afi->regions[j].load_address,
- afi->regions[j].size,
- afi->regions[j].offset);
- }
- }
-}
-
-static int exists(const char * const name)
-{
- int i;
-
- parse_flash();
- for (i = 0; i < num_afs_images; i++) {
- struct afs_image *afi = &afs_images[i];
-
- if (strcmp(afi->name, name) == 0)
- return CMD_RET_SUCCESS;
- }
- return CMD_RET_FAILURE;
-}
-
-static int do_afs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- int ret = CMD_RET_SUCCESS;
-
- if (argc == 1) {
- print_images();
- } else if (argc == 3 && !strcmp(argv[1], "exists")) {
- ret = exists(argv[2]);
- } else if (argc == 3 && !strcmp(argv[1], "load")) {
- ret = load_image(argv[2], 0x0);
- } else if (argc == 4 && !strcmp(argv[1], "load")) {
- ulong load_addr;
-
- load_addr = simple_strtoul(argv[3], NULL, 16);
- ret = load_image(argv[2], load_addr);
- } else {
- return CMD_RET_USAGE;
- }
-
- return ret;
-}
-
-U_BOOT_CMD(afs, 4, 0, do_afs, "show AFS partitions",
- "no arguments\n"
- " - list images in flash\n"
- "exists <image>\n"
- " - returns 1 if an image exists, else 0\n"
- "load <image>\n"
- " - load an image to the location indicated in the header\n"
- "load <image> 0x<address>\n"
- " - load an image to the location specified\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-21 06:23:39 +0000