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BPI-CM9-Linux/aml-comp/uboot/bl33/v2025/cmd/amlogic/aml_mmc.c
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2026-08-24 10:03:24 +08:00

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
*/
#include <malloc.h>
#include <command.h>
#include <linux/ctype.h>
#include <amlogic/aml_mmc.h>
#include <mmc.h>
#include <amlogic/mmc_private.h>
#include <amlogic/partition_table.h>
#include <amlogic/emmc_partitions.h>
#include <asm/amlogic/arch/cpu_sdio.h>
#include <asm/amlogic/arch/sd_emmc.h>
#include <linux/sizes.h>
#include <amlogic/cpu_id.h>
#include <amlogic/aml_mmc.h>
#include <linux/crc32.h>
#ifndef CONFIG_MTD_UBI
#include "../drivers/mtd/ubi/crc32.c"
#endif
#include <asm/amlogic/arch/timer.h>
#include <vsprintf.h>
#include <linux/bug.h>
/* info system. */
#define dtb_err(fmt, ...) printf( "%s()-%d: " fmt , \
__func__, __LINE__, ##__VA_ARGS__)
#define dtb_wrn(fmt, ...) printf( "%s()-%d: " fmt , \
__func__, __LINE__, ##__VA_ARGS__)
/* for detail debug info */
#define dtb_info(fmt, ...) printf( "%s()-%d: " fmt , \
__func__, __LINE__, ##__VA_ARGS__)
#define fb_err(fmt, ...) printf("%s()-%d: " fmt , \
__func__, __LINE__, ##__VA_ARGS__)
#define CONFIG_SYS_MMC_ENV_DEV 1
struct aml_dtb_rsv {
u8 data[DTB_BLK_SIZE*DTB_BLK_CNT - 4*sizeof(u32)];
u32 magic;
u32 version;
u32 timestamp;
u32 checksum;
};
struct aml_dtb_info {
u32 stamp[2];
u8 valid[2];
};
/* glb dtb infos */
static struct aml_dtb_info dtb_infos = {{0, 0}, {0, 0}};
#define CONFIG_SECURITYKEY
#if !defined(CONFIG_SYS_MMC_BOOT_DEV)
#define CONFIG_SYS_MMC_BOOT_DEV (CONFIG_SYS_MMC_ENV_DEV)
#endif
#define GXB_START_BLK 0
#define GXL_START_BLK 1
/* max 2MB for emmc in blks */
#define UBOOT_SIZE (0x1000)
extern int mmc_key_write(unsigned char *buf, unsigned int size, uint32_t *actual_length);
extern int mmc_key_read(unsigned char *buf, unsigned int size, uint32_t *actual_length);
/* move this out to storage */
//int info_disprotect = 0;
int mmc_read_status(struct mmc *mmc, int timeout)
{
struct mmc_cmd cmd;
int err, retries = 5;
int status;
cmd.cmdidx = MMC_CMD_SEND_STATUS;
cmd.resp_type = MMC_RSP_R1;
if (!mmc_host_is_spi(mmc))
cmd.cmdarg = mmc->rca << 16;
do {
err = mmc_send_cmd(mmc, &cmd, NULL);
if (!err) {
if ((cmd.response[0] & MMC_STATUS_RDY_FOR_DATA) &&
(cmd.response[0] & MMC_STATUS_CURR_STATE) !=
MMC_STATE_PRG)
break;
else if (cmd.response[0] & MMC_STATUS_MASK) {
printf("Status Error: 0x%08X\n",
cmd.response[0]);
return -18;
}
} else if (--retries < 0)
return err;
udelay(1000);
} while (timeout--);
status = (cmd.response[0] & MMC_STATUS_CURR_STATE) >> 9;
printf("CURR STATE:%d, status = 0x%x\n", status, cmd.response[0]);
if (timeout <= 0) {
printf("read status Timeout waiting card ready\n");
return -19;
}
if (cmd.response[0] & MMC_STATUS_SWITCH_ERROR) {
printf("mmc status switch error status =0x%x\n", status);
return -21;
}
return 0;
}
bool emmckey_is_protected (struct mmc *mmc)
{
#ifdef CONFIG_STORE_COMPATIBLE
#ifdef CONFIG_SECURITYKEY
if (info_disprotect & DISPROTECT_KEY) {
printf("%s(): disprotect\n", __func__);
return 0;
}else{
printf("%s(): protect\n", __func__);
return 1;
}
#else
return 0;
#endif
#else
#ifdef CONFIG_SECURITYKEY
//return mmc->key_protect;
return 0; /* fixme, */
#else
return 0;
#endif
#endif
}
unsigned emmc_cur_partition = 0;
static int get_off_size(struct mmc * mmc, char * name, uint64_t offset, uint64_t size, u64 * blk, u64 * cnt, u64 * sz_byte)
{
struct partitions *part_info = NULL;
uint64_t off = 0;
int blk_shift = 0;
blk_shift = ffs(mmc->read_bl_len) - 1;
if (blk_shift < 0) {
printf("Bad shift.\n");
return 0;
}
// printf("blk_shift:%d , off:0x%llx , size:0x%llx.\n ",blk_shift,off,size );
part_info = find_mmc_partition_by_name(name);
if (part_info == NULL) {
printf("get partition info failed !!\n");
return -1;
}
off = part_info->offset + offset;
// printf("part_info->offset:0x%llx , off:0x%llx , size:0x%llx.\n",part_info->offset ,off,size);
*blk = off >> blk_shift;
*cnt = size >> blk_shift;
*sz_byte = size - ((*cnt) << blk_shift);
// printf("get_partition_off_size : blk:0x%llx , cnt:0x%llx.\n",*blk,*cnt);
return 0;
}
static int get_partition_size(unsigned char* name, uint64_t* addr)
{
struct partitions *part_info = NULL;
part_info = find_mmc_partition_by_name((char *)name);
if (part_info == NULL) {
printf("get partition info failed !!\n");
return -1;
}
*addr = part_info->size >> 9; // unit: 512 bytes
return 0;
}
static inline int isstring(char *p)
{
char *endptr = p;
while (*endptr != '\0') {
if (!(((*endptr >= '0') && (*endptr <= '9'))
|| ((*endptr >= 'a') && (*endptr <= 'f'))
|| ((*endptr >= 'A') && (*endptr <= 'F'))
|| (*endptr == 'x') || (*endptr == 'X')))
return 1;
endptr++;
}
return 0;
}
/*
erase bootloader on user/boot0/boot1 which indicate by map.
bit 0: user
bit 1: boot0
bit 2: boot1
*/
int amlmmc_erase_bootloader(int dev, int map)
{
int ret = 0, i, count = 3;
int blk_shift;
unsigned long n;
char *partname[3] = {"user", "boot0", "boot1"};
cpu_id_t cpu_id = get_cpu_id();
struct mmc *mmc = find_mmc_device(dev);
/* do nothing */
if (0 == map)
goto _out;
if (!mmc) {
printf("%s() %d: not valid emmc %d\n", __func__, __LINE__, dev);
ret = -1;
goto _out;
}
/* make sure mmc is initialized! */
ret = mmc_init(mmc);
if (ret) {
printf("%s() %d: emmc %d init %d\n", __func__, __LINE__, dev, ret);
ret = -2;
goto _out;
}
blk_shift = ffs(mmc->read_bl_len) -1;
if (blk_shift < 0) {
printf("bad shift.\n");
ret = -3;
goto _out;
}
/* erase bootloader in user/boot0/boot1 */
for (i = 0; i < count; i++) {
if (map & (0x1 << i)) {
if (!blk_select_hwpart_devnum(UCLASS_MMC, 1, i)) {
lbaint_t start = 0, blkcnt;
if (0 == i) {
blkcnt = mmc->capacity >> blk_shift;
struct partitions *part_info;
/* get info by partition */
part_info = find_mmc_partition_by_name(MMC_BOOT_NAME);
if (part_info == NULL) {
printf("%s() %d: error!!\n", __func__, __LINE__);
/* fixme, do somthing! */
continue;
} else {
start = part_info->offset >> blk_shift;
blkcnt = part_info->size >> blk_shift;
if (cpu_id.family_id >= MESON_CPU_MAJOR_ID_GXL) {
start = GXL_START_BLK;
blkcnt -= GXL_START_BLK;
}
}
} else {
blkcnt = mmc->capacity_boot >> blk_shift;
}
/* some customer may use boot1 higher 2M as private data. */
#ifdef CONFIG_EMMC_BOOT1_TOUCH_REGION
if (2 == i && CONFIG_EMMC_BOOT1_TOUCH_REGION <= mmc->capacity) {
blkcnt = CONFIG_EMMC_BOOT1_TOUCH_REGION >> blk_shift;
}
#endif/* CONFIG_EMMC_BOOT1_TOUCH_REGION */
if (i == 0 && (aml_gpt_valid(mmc) == 0))
continue;
printf("Erasing blocks " LBAFU " to " LBAFU " @ %s\n",
start, blkcnt, partname[i]);
n = blk_derase(mmc_get_blk_desc(mmc), start, blkcnt);
if (n != blkcnt) {
printf("mmc erase %s failed\n", partname[i]);
ret = -3;
goto _out;
}
} else
printf("%s() %d: switch dev %d to %s fail\n",
__func__, __LINE__, dev, partname[i]);
}
}
/* try to switch back to user. */
ret = blk_select_hwpart_devnum(UCLASS_MMC, 1, 0);
_out:
return ret;
}
/*
write bootloader on user/boot0/boot1 which indicate by map.
bit 0: user
bit 1: boot0
bit 2: boot1
*/
int amlmmc_write_bootloader(int dev, int map, unsigned int size, const void *src)
{
int ret = 0, i, count = 3;
unsigned long n;
char *partname[3] = {"user", "boot0", "boot1"};
struct mmc *mmc = find_mmc_device(dev);
lbaint_t start = GXB_START_BLK, blkcnt;
cpu_id_t cpu_id = get_cpu_id();
/* do nothing */
if (0 == map)
goto _out;
if (!mmc) {
printf("%s() %d: not valid emmc %d\n", __func__, __LINE__, dev);
ret = -1;
goto _out;
}
/* make sure mmc is initialized! */
ret = mmc_init(mmc);
if (ret) {
printf("%s() %d: emmc %d init %d\n", __func__, __LINE__, dev, ret);
ret = -2;
goto _out;
}
if (cpu_id.family_id >= MESON_CPU_MAJOR_ID_GXL)
start = GXL_START_BLK;
blkcnt = (size + mmc->read_bl_len - 1) / mmc->read_bl_len;
/* erase bootloader in user/boot0/boot1 */
for (i = 0; i < count; i++) {
if (map & (0x1 << i)) {
if (!blk_select_hwpart_devnum(UCLASS_MMC, 1, i)) {
/* some customer may use boot1 higher 2M as private data. */
#ifdef CONFIG_EMMC_BOOT1_TOUCH_REGION
if (2 == i && CONFIG_EMMC_BOOT1_TOUCH_REGION <= size) {
printf("%s(), size %d exceeds TOUCH_REGION %d, skip\n",
__func__, size, CONFIG_EMMC_BOOT1_TOUCH_REGION);
break;
}
#endif /* CONFIG_EMMC_BOOT1_TOUCH_REGION */
if (i == 0 && (aml_gpt_valid(mmc) == 0))
continue;
printf("Writing blocks " LBAFU " to " LBAFU " @ %s\n",
start, blkcnt, partname[i]);
n = blk_dwrite(mmc_get_blk_desc(mmc), start, blkcnt, src);
if (n != blkcnt) {
printf("mmc write %s failed\n", partname[i]);
ret = -3;
goto _out;
}
} else
printf("%s() %d: switch dev %d to %s fail\n",
__func__, __LINE__, dev, partname[i]);
}
}
/* try to switch back to user. */
ret = blk_select_hwpart_devnum(UCLASS_MMC, 1, 0);
_out:
return ret;
}
static int amlmmc_erase_in_dev(int argc, char *const argv[])
{
int dev = 0;
u64 cnt = 0, blk = 0, n = 0;
struct mmc *mmc;
dev = simple_strtoul(argv[2], NULL, 10);
blk = simple_strtoull(argv[3], NULL, 16);
cnt = simple_strtoull(argv[4], NULL, 16);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
printf("MMC erase: dev # %d, start_erase_address(in block) # %#llx,\
several blocks # %lld will be erased ...\n ",
dev, blk, cnt);
mmc_init(mmc);
if (cnt != 0)
n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
printf("dev # %d, several blocks erased %s\n", dev, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
}
static int amlmmc_erase_in_card(int argc, char *const argv[])
{
int dev = 0;
u64 cnt = 0, blk = 0, n = 0;
/*sz_byte =0;*/
char *name = NULL;
u64 offset_addr = 0, size = 0;
struct mmc *mmc;
int tmp_shift;
name = argv[2];
dev = find_dev_num_by_partition_name (name);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
offset_addr = simple_strtoull(argv[3], NULL, 16);
size = simple_strtoull(argv[4], NULL, 16);
mmc = find_mmc_device(dev);
if (!mmc) {
printf("[%s] no mmc devices available\n", __func__);
return 1;
}
tmp_shift = ffs(mmc->read_bl_len) -1;
if (tmp_shift < 0) {
printf("bad shift.\n");
return 1;
}
cnt = size >> tmp_shift;
blk = offset_addr >> tmp_shift;
/* sz_byte = size - (cnt<<tmp_shift); */
mmc = find_mmc_device(dev);
if (!mmc) {
printf("[%s] no mmc devices available\n", __func__);
return 1;
}
printf("MMC erase: dev # %d, start_erase_address(in block) # %#llx,\
several blocks # %lld will be erased ...\n ",
dev, blk, cnt);
mmc_init(mmc);
if (cnt != 0)
n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
printf("dev # %d, %s, several blocks erased %s\n",
dev, argv[2], (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
}
static int amlmmc_erase_in_part(int argc, char *const argv[])
{
int dev = 0;
u64 cnt = 0, blk = 0, n = 0, sz_byte =0;
char *name = NULL;
u64 offset_addr = 0, size = 0;
struct mmc *mmc;
struct partitions *part_info;
name = argv[2];
dev = find_dev_num_by_partition_name(name);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
offset_addr = simple_strtoull(argv[3], NULL, 16);
size = simple_strtoull(argv[4], NULL, 16);
part_info = find_mmc_partition_by_name(name);
if (part_info == NULL) {
printf("Bad part_info\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
if (offset_addr >= part_info->size) {
printf("Start address out #%s# partition'address region,(addr_byte < 0x%llx)\n",
name, part_info->size);
return 1;
}
if ((offset_addr+size) > part_info->size) {
printf("End address exceeds #%s# partition,(offset = 0x%llx,size = 0x%llx)\n",
name, part_info->offset,part_info->size);
return 1;
}
get_off_size(mmc, name, offset_addr, size, &blk, &cnt, &sz_byte);
printf("MMC erase: dev # %d, start_erase_address(in block) # %#llx,\
several blocks # %lld will be erased ...\n ",
dev, blk, cnt);
mmc_init(mmc);
if (cnt != 0)
n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
printf("dev # %d, %s, several blocks erased %s\n",
dev, argv[2], (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
}
static int amlmmc_erase_by_add(int argc, char *const argv[])
{
int ret = 0;
if (argc != 5)
return CMD_RET_USAGE;
if (isdigit(argv[2][0]))
ret = amlmmc_erase_in_dev(argc, argv);
else if (strcmp(argv[2], "card") == 0)
ret = amlmmc_erase_in_card(argc, argv);
else if (isstring(argv[2]))
ret = amlmmc_erase_in_part(argc, argv);
return ret;
}
static int amlmmc_erase_non_loader(int argc, char *const argv[])
{
int dev;
u32 n = 0;
int blk_shift;
u64 blk = 0, start_blk = 0;
struct partitions *part_info;
struct mmc *mmc;
dev = 1;
mmc = find_mmc_device(dev);
if (!mmc) {
printf("[%s] no mmc devices available\n", __func__);
return 1;
}
mmc_init(mmc);
blk_shift = ffs(mmc->read_bl_len) -1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
part_info = find_mmc_partition_by_name(MMC_BOOT_NAME);
if (part_info == NULL) {
start_blk = 0;
printf("no uboot partition for eMMC boot, just erase from 0\n");
}
else
start_blk = (part_info->offset + part_info->size) >> blk_shift;
if (!emmckey_is_protected(mmc)) {
n = blk_derase(mmc_get_blk_desc(mmc), start_blk, 0); // erase the whole card
return (n == 0) ? 0 : 1;
}
part_info = find_mmc_partition_by_name(MMC_RESERVED_NAME);
if (part_info == NULL)
return 1;
blk = part_info->offset;
// it means: there should be other partitions before reserve-partition.
if (blk > 0)
blk -= PARTITION_RESERVED;
blk >>= blk_shift;
blk -= start_blk;
// (1) erase all the area before reserve-partition
if (blk > 0)
n = blk_derase(mmc_get_blk_desc(mmc), start_blk, blk);
if (n != blk)
return 1;
// (2) erase all the area after reserve-partition
start_blk = (part_info->offset + part_info->size + PARTITION_RESERVED)
>> blk_shift;
u64 erase_cnt = (mmc->capacity >> blk_shift) - start_blk;
n = blk_derase(mmc_get_blk_desc(mmc), start_blk, erase_cnt);
return (n == erase_cnt) ? 0 : 1;
}
static int amlmmc_erase_single_part(int argc, char *const argv[])
{
char *name = NULL;
int dev;
u32 n = 0;
int blk_shift;
u64 cnt = 0, blk = 0;
struct partitions *part_info;
struct mmc *mmc;
name = argv[2];
dev = find_dev_num_by_partition_name(name);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
mmc_init(mmc);
blk_shift = ffs(mmc->read_bl_len) -1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
if (emmckey_is_protected(mmc)
&& (strncmp(name, MMC_RESERVED_NAME, sizeof(MMC_RESERVED_NAME)) == 0x00)) {
printf("\"%s-partition\" is been protecting and should no be erased!\n",
MMC_RESERVED_NAME);
return 1;
}
part_info = find_mmc_partition_by_name(name);
if (part_info == NULL)
return 1;
blk = part_info->offset >> blk_shift;
if (emmc_cur_partition && !strncmp(name, "bootloader", strlen("bootloader")))
cnt = 0;
else
cnt = part_info->size >> blk_shift;
n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
return (n == cnt) ? 0 : 1;
}
static int amlmmc_erase_whole(int argc, char *const argv[])
{
char *name = NULL;
int dev;
u32 n = 0;
int blk_shift;
//u64 cnt = 0,
u64 blk = 0, start_blk = 0;
struct partitions *part_info;
struct mmc *mmc;
int map;
name = "logo";
dev = find_dev_num_by_partition_name(name);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
mmc_init(mmc);
blk_shift = ffs(mmc->read_bl_len) -1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
start_blk = 0;
if (emmckey_is_protected(mmc)) {
part_info = find_mmc_partition_by_name(MMC_RESERVED_NAME);
if (part_info == NULL)
return 1;
blk = part_info->offset;
// it means: there should be other partitions before reserve-partition.
if (blk > 0)
blk -= PARTITION_RESERVED;
blk >>= blk_shift;
blk -= start_blk;
// (1) erase all the area before reserve-partition
if (blk > 0)
n = blk_derase(mmc_get_blk_desc(mmc), start_blk, blk);
if (n != blk)
return 1;
// (2) erase all the area after reserve-partition
start_blk = (part_info->offset + part_info->size + PARTITION_RESERVED)
>> blk_shift;
u64 erase_cnt = (mmc->capacity >> blk_shift) - start_blk;
n = blk_derase(mmc_get_blk_desc(mmc), start_blk, erase_cnt);
if (n != erase_cnt)
return 1;
} else {
n = blk_derase(mmc_get_blk_desc(mmc), start_blk, 0); // erase the whole card
if (n != 0)
return 1;
}
map = AML_BL_BOOT;
n = amlmmc_erase_bootloader(dev, map);
if (n)
printf("erase bootloader in boot partition failed\n");
return (n == 0) ? 0 : 1;
}
static int amlmmc_erase_non_cache(int arc, char *const argv[])
{
char *name = NULL;
int dev;
u32 n = 0;
int blk_shift;
u64 blk = 0, start_blk = 0;
struct partitions *part_info;
struct mmc *mmc;
int map;
name = "logo";
dev = find_dev_num_by_partition_name(name);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
mmc_init(mmc);
blk_shift = ffs(mmc->read_bl_len) -1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
if (emmckey_is_protected(mmc)) {
part_info = find_mmc_partition_by_name(MMC_RESERVED_NAME);
if (part_info == NULL) {
return 1;
}
blk = part_info->offset;
// it means: there should be other partitions before reserve-partition.
if (blk > 0) {
blk -= PARTITION_RESERVED;
}
blk >>= blk_shift;
blk -= start_blk;
// erase all the area before reserve-partition
if (blk > 0)
n = blk_derase(mmc_get_blk_desc(mmc), start_blk, blk);
if (n == 0)
return 1;
} else {
n = blk_derase(mmc_get_blk_desc(mmc), start_blk, 0); // erase the whole card
if (n != 0)
return 1;
}
map = AML_BL_BOOT;
n = amlmmc_erase_bootloader(dev, map);
if (n)
printf("erase bootloader in boot partition failed\n");
return (n == 0) ? 0 : 1;
}
static int amlmmc_erase_dev(int argc, char *const argv[])
{
return amlmmc_erase_whole(argc, argv);
}
static int amlmmc_erase_allbootloader(int argc, char*const argv[])
{
int map;
int rc;
map = AML_BL_ALL;
rc = amlmmc_erase_bootloader(STORAGE_EMMC, map);
return rc;
}
static int amlmmc_erase_by_part(int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
if (argc != 3)
return ret;
if (isdigit(argv[2][0]))
ret = amlmmc_erase_dev(argc, argv);
else if (strcmp(argv[2], "whole") == 0)
ret = amlmmc_erase_whole(argc, argv);
else if (strcmp(argv[2], "non_cache") == 0)
ret = amlmmc_erase_non_cache(argc, argv);
else if (strcmp(argv[2], "non_loader") == 0)
ret = amlmmc_erase_non_loader(argc, argv);
else if (strcmp(argv[2], "allbootloader") == 0)
ret = amlmmc_erase_allbootloader(argc, argv);
else
ret = amlmmc_erase_single_part(argc, argv);
return ret;
}
static int do_amlmmc_erase(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
if (argc == 3)
ret = amlmmc_erase_by_part(argc, argv);
else if (argc == 5)
ret = amlmmc_erase_by_add(argc, argv);
return ret;
}
static int amlmmc_write_in_part(int argc, char *const argv[])
{
int dev;
void *addr = NULL;
u64 cnt = 0, n = 0, blk = 0, sz_byte = 0;
char *name = NULL;
u64 offset = 0, size = 0;
cpu_id_t cpu_id = get_cpu_id();
struct mmc *mmc;
name = argv[2];
if (strcmp(name, "bootloader") == 0)
dev = CONFIG_SYS_MMC_BOOT_DEV;
else
dev = find_dev_num_by_partition_name (name);
addr = (void *)simple_strtoul(argv[3], NULL, 16);
offset = simple_strtoull(argv[4], NULL, 16);
size = simple_strtoull(argv[5], NULL, 16);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
if (strcmp(name, "bootloader") == 0) {
cnt = UBOOT_SIZE;
if (cpu_id.family_id >= MESON_CPU_MAJOR_ID_GXL) {
blk = GXL_START_BLK;
cnt -= GXL_START_BLK;
}
else
blk = GXB_START_BLK;
} else
get_off_size(mmc, name, offset, size, &blk, &cnt, &sz_byte);
mmc_init(mmc);
n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
//write sz_byte bytes
if ((n == cnt) && (sz_byte != 0)) {
// printf("sz_byte=%#llx bytes\n",sz_byte);
void *addr_tmp = malloc(mmc->write_bl_len);
void *addr_byte = (void*)(addr+cnt*(mmc->write_bl_len));
ulong start_blk = blk+cnt;
if (addr_tmp == NULL) {
printf("mmc write: malloc fail\n");
return 1;
}
if (blk_dread(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // read 1 block
free(addr_tmp);
printf("mmc read 1 block fail\n");
return 1;
}
memcpy(addr_tmp, addr_byte, sz_byte);
if (blk_dwrite(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // write 1 block
free(addr_tmp);
printf("mmc write 1 block fail\n");
return 1;
}
free(addr_tmp);
}
//printf("%#llx blocks , %#llx bytes written: %s\n", n, sz_byte, (n==cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
}
static int amlmmc_write_in_card(int argc, char *const argv[])
{
int dev;
void *addr = NULL;
u64 cnt = 0, n = 0, blk = 0, sz_byte = 0;
char *name = NULL;
u64 offset = 0, size = 0;
struct mmc *mmc;
name = argv[2];
dev = find_dev_num_by_partition_name (name);
addr = (void *)simple_strtoul(argv[3], NULL, 16);
offset = simple_strtoull(argv[4], NULL, 16);
size = simple_strtoull(argv[5], NULL, 16);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
int blk_shift = ffs( mmc->read_bl_len) -1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
cnt = size >> blk_shift;
blk = offset >> blk_shift;
sz_byte = size - (cnt<<blk_shift);
mmc_init(mmc);
n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
//write sz_byte bytes
if ((n == cnt) && (sz_byte != 0)) {
// printf("sz_byte=%#llx bytes\n",sz_byte);
void *addr_tmp = malloc(mmc->write_bl_len);
void *addr_byte = (void*)(addr+cnt*(mmc->write_bl_len));
ulong start_blk = blk+cnt;
if (addr_tmp == NULL) {
printf("mmc write: malloc fail\n");
return 1;
}
if (blk_dread(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // read 1 block
free(addr_tmp);
printf("mmc read 1 block fail\n");
return 1;
}
memcpy(addr_tmp, addr_byte, sz_byte);
if (blk_dwrite(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // write 1 block
free(addr_tmp);
printf("mmc write 1 block fail\n");
return 1;
}
free(addr_tmp);
}
//printf("%#llx blocks , %#llx bytes written: %s\n", n, sz_byte, (n==cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
}
static int amlmmc_write_in_dev(int argc, char *const argv[])
{
int dev;
void *addr = NULL;
u64 cnt = 0, n = 0, blk = 0;
struct mmc *mmc;
dev = simple_strtoul(argv[2], NULL, 10);
addr = (void *)simple_strtoul(argv[3], NULL, 16);
blk = simple_strtoull(argv[4], NULL, 16);
cnt = simple_strtoull(argv[5], NULL, 16);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
//printf("MMC write: dev # %d, block # %#llx, count # %#llx ... ",
//dev, blk, cnt);
mmc_init(mmc);
n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
return (n == cnt) ? 0 : 1;
}
static int do_amlmmc_write(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret = 0;
if (argc != 6)
return CMD_RET_USAGE;
if (isdigit(argv[2][0]))
ret = amlmmc_write_in_dev(argc, argv);
else if (strcmp(argv[2], "card") == 0)
ret = amlmmc_write_in_card(argc, argv);
else if (isstring(argv[2]))
ret = amlmmc_write_in_part(argc, argv);
return ret;
}
static int amlmmc_read_in_dev(int argc, char *const argv[])
{
int dev;
void *addr = NULL;
u64 cnt =0, n = 0, blk = 0;
struct mmc *mmc;
dev = simple_strtoul(argv[2], NULL, 10);
addr = (void *)simple_strtoul(argv[3], NULL, 16);
blk = simple_strtoull(argv[4], NULL, 16);
cnt = simple_strtoull(argv[5], NULL, 16);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
return (n == cnt) ? 0 : 1;
}
static int amlmmc_read_in_card(int argc, char *const argv[])
{
int dev;
void *addr = NULL;
//u32 flag =0;
u64 cnt =0, n = 0, blk = 0, sz_byte = 0;
char *name = NULL;
u64 offset = 0, size = 0;
int blk_shift;
struct mmc *mmc;
void *addr_tmp;
void *addr_byte;
ulong start_blk;
name = argv[2];
dev = find_dev_num_by_partition_name (name);
addr = (void *)simple_strtoul(argv[3], NULL, 16);
size = simple_strtoull(argv[5], NULL, 16);
offset = simple_strtoull(argv[4], NULL, 16);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
blk_shift = ffs( mmc->read_bl_len) - 1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
cnt = size >> blk_shift;
blk = offset >> blk_shift;
sz_byte = size - (cnt<<blk_shift);
mmc_init(mmc);
n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
//read sz_byte bytes
if ((n == cnt) && (sz_byte != 0)) {
addr_tmp = malloc(mmc->read_bl_len);
addr_byte = (void *)(addr+cnt*(mmc->read_bl_len));
start_blk = blk+cnt;
if (addr_tmp == NULL) {
printf("mmc read: malloc fail\n");
return 1;
}
if (blk_dread(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // read 1 block
free(addr_tmp);
printf("mmc read 1 block fail\n");
return 1;
}
memcpy(addr_byte, addr_tmp, sz_byte);
free(addr_tmp);
}
return (n == cnt) ? 0 : 1;
}
static int amlmmc_read_in_part(int argc, char *const argv[])
{
int dev;
void *addr = NULL;
u64 cnt = 0, n = 0, blk = 0, sz_byte = 0;
char *name = NULL;
u64 offset = 0, size = 0;
struct mmc *mmc;
void *addr_tmp;
void *addr_byte;
ulong start_blk;
name = argv[2];
dev = find_dev_num_by_partition_name (name);
addr = (void *)simple_strtoul(argv[3], NULL, 16);
offset = simple_strtoull(argv[4], NULL, 16);
size = simple_strtoull(argv[5], NULL, 16);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
get_off_size(mmc, name, offset, size, &blk, &cnt, &sz_byte);
mmc_init(mmc);
n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
//read sz_byte bytes
if ((n == cnt) && (sz_byte != 0)) {
/*printf("sz_byte=%#llx bytes\n",sz_byte);*/
addr_tmp = malloc(mmc->read_bl_len);
addr_byte = (void *)(addr+cnt*(mmc->read_bl_len));
start_blk = blk+cnt;
if (addr_tmp == NULL) {
printf("mmc read: malloc fail\n");
return 1;
}
if (blk_dread(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // read 1 block
free(addr_tmp);
printf("mmc read 1 block fail\n");
return 1;
}
memcpy(addr_byte, addr_tmp, sz_byte);
free(addr_tmp);
}
return (n == cnt) ? 0 : 1;
}
static int do_amlmmc_read(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret = 0;
if (argc != 6)
return CMD_RET_USAGE;
if (isdigit(argv[2][0]))
ret = amlmmc_read_in_dev(argc, argv);
else if (strcmp(argv[2], "card") == 0)
ret = amlmmc_read_in_card(argc, argv);
else if (isstring(argv[2]))
ret = amlmmc_read_in_part(argc, argv);
return ret;
}
static int do_amlmmc_env(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
printf("herh\n");
env_relocate();
return 0;
}
static int do_amlmmc_list(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
print_mmc_devices('\n');
return 0;
}
static int do_amlmmc_size(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
char *name;
uint64_t* addr = NULL;
int dev;
struct mmc *mmc = NULL;
if (argc != 4)
return CMD_RET_USAGE;
name = argv[2];
addr = (uint64_t *)simple_strtoul(argv[3], NULL, 16);
if (!strcmp(name, "wholeDev")) {
dev = CONFIG_SYS_MMC_BOOT_DEV;
mmc = find_mmc_device(dev);
if (!mmc) {
puts("no mmc devices available\n");
return 1;
}
mmc_init(mmc);
*addr = mmc->capacity >> 9; // unit: 512 bytes
return 0;
}
return get_partition_size((unsigned char *)name, addr);
}
static int amlmmc_get_ext_csd(int argc, char *const argv[])
{
int ret= 0;
u8 ext_csd[512] = {0};
int dev, byte;
struct mmc *mmc;
if (argc != 4)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
byte = simple_strtoul(argv[3], NULL, 10);
mmc = find_mmc_device(dev);
if (!mmc) {
puts("no mmc devices available\n");
return 1;
}
mmc_init(mmc);
ret = mmc_send_ext_csd(mmc, ext_csd);
printf("read EXT_CSD byte[%d] val[0x%x] %s\n",
byte, ext_csd[byte], (ret == 0) ? "ok" : "fail");
return ret;
}
static int amlmmc_set_ext_csd(int argc, char *const argv[])
{
int ret = 0;
int dev, byte;
struct mmc *mmc;
int val;
if (argc != 5)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
byte = simple_strtoul(argv[3], NULL, 10);
val = simple_strtoul(argv[4], NULL, 16);
if ((byte > 191) || (byte < 0)) {
printf("byte is not able to write!\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc) {
puts("no mmc devices available\n");
return 1;
}
mmc_init(mmc);
ret = mmc_set_ext_csd(mmc, byte, val);
printf("write EXT_CSD byte[%d] val[0x%x] %s\n",
byte, val, (ret == 0) ? "ok" : "fail");
return ret;
}
static int do_amlmmc_ext_csd(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
if (argc == 4)
ret = amlmmc_get_ext_csd(argc,argv);
else if (argc == 5)
ret = amlmmc_set_ext_csd(argc,argv);
return ret;
}
static int amlmmc_go_idle(struct mmc *mmc)
{
struct mmc_cmd cmd;
int err;
udelay(1000);
cmd.cmdidx = MMC_CMD_GO_IDLE_STATE;
cmd.cmdarg = 0;
cmd.resp_type = MMC_RSP_NONE;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
return err;
udelay(2000);
return 0;
}
ulong mmc_ffu_write(int dev_num, lbaint_t start, lbaint_t blkcnt, const void *src)
{
struct mmc_cmd cmd;
struct mmc_data data;
int ret;
unsigned int status;
struct mmc *mmc = find_mmc_device(dev_num);
if (!mmc || !blkcnt)
return 0;
printf("mmc ffu start = %lx, cnt = %lx, addr = %p\n", start, blkcnt, src);
cmd.cmdidx = MMC_CMD_SET_BLOCK_COUNT;
cmd.cmdarg = blkcnt & 0xFFFF;
cmd.resp_type = MMC_RSP_R1;
ret = mmc_send_cmd(mmc, &cmd, NULL);
if (ret) {
printf("mmc set blkcnt failed\n");
return 0;
}
cmd.cmdidx = MMC_CMD_WRITE_MULTIPLE_BLOCK;
cmd.cmdarg = start;
cmd.resp_type = MMC_RSP_R1b;
data.src = src;
data.blocks = blkcnt;
data.blocksize = mmc->write_bl_len;
data.flags = MMC_DATA_WRITE;
ret = mmc_send_cmd(mmc, &cmd, &data);
if (ret) {
printf("mmc write failed\n");
return 0;
}
/* Waiting for the ready status */
if (mmc_send_status(mmc, &status))
return 0;
return blkcnt;
}
int mmc_ffu_op(int dev, u64 ffu_ver, void *addr, u64 cnt)
{
int err, i, supported_modes, fw_cfg, ffu_status;
u64 fw_ver = 0, n;
u8 ext_csd_ffu[512] = {0};
lbaint_t ffu_addr=0;
struct mmc *mmc = find_mmc_device(dev);
if (!mmc)
return -ENODEV;
printf("ffu update start\n");
/* check Manufacturer MID */
if ((mmc->cid[0] >> 24) == SAMSUNG_MID) {
ffu_addr = SAMSUNG_FFU_ADDR;
} else if ((mmc->cid[0] >> 24) == KINGSTON_MID) {
ffu_addr = KINGSTON_FFU_ADDR;
} else if ((mmc->cid[0] >> 24) == BIWIN_MID) {
ffu_addr = BIWIN_FFU_ADDR;
} else {
printf("FFU update for this manufacturer not support yet\n");
return -1;
}
/*
* check FFU Supportability
* check FFU Prohibited or not
* check current firmware version
*/
memset(ext_csd_ffu, 0, 512);
err = mmc_send_ext_csd(mmc, ext_csd_ffu);
if (err)
return err;
supported_modes = ext_csd_ffu[EXT_CSD_SUPPORTED_MODES] & 0x1;
fw_cfg = ext_csd_ffu[EXT_CSD_FW_CFG] & 0x1;
for (i = 0; i < 8; i++) {
fw_ver |= ext_csd_ffu[EXT_CSD_FW_VERSION + 7 - i];
if (i < 7)
fw_ver <<= 8;
}
if ((mmc->cid[0] >> 24) == BIWIN_MID)
fw_ver = ((fw_ver >> 16) & 0xffffffff);
printf("old fw_ver = %llx\n", fw_ver);
if (!supported_modes || fw_cfg || (fw_ver >= ffu_ver))
return -1;
/* Set FFU Mode */
err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_MODE_CFG, 1);
if (err) {
printf("Failed: set FFU mode\n");
return err;
}
/* Write patch file at one write command */
n = mmc_ffu_write(dev, ffu_addr, cnt, addr);
if (n != cnt) {
printf("target is %llx block, but only %llx block has been write\n", cnt, n);
return -1;
}
memset(ext_csd_ffu, 0, 512);
err = mmc_send_ext_csd(mmc, ext_csd_ffu);
if (err)
return err;
for (i = 0; i < 8; i++) {
fw_ver |= ext_csd_ffu[EXT_CSD_FW_VERSION + 7 - i];
if (i < 7)
fw_ver <<= 8;
}
if ((mmc->cid[0] >> 24) == BIWIN_MID)
fw_ver = ((fw_ver >> 16) & 0xffffffff);
printf("new fw_ver = %llx\n", fw_ver);
if ((mmc->cid[0] >> 24) == SAMSUNG_MID) {
/* Set Normal Mode */
err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_MODE_CFG, 0);
if (err)
return err;
}
/* reset devices */
err = amlmmc_go_idle(mmc);
if (err)
return err;
/* Initialization */
mmc->has_init = 0;
err = mmc_init(mmc);
if (err)
return err;
/* Read ffu_status, check ffu_version */
memset(ext_csd_ffu, 0, 512);
err = mmc_send_ext_csd(mmc, ext_csd_ffu);
if (err)
return err;
ffu_status = ext_csd_ffu[EXT_CSD_FFU_STATUS] & 0xff;
fw_ver = 0;
for (i = 0; i < 8; i++) {
fw_ver |= ext_csd_ffu[EXT_CSD_FW_VERSION + 7 - i];
if (i < 7)
fw_ver <<= 8;
}
if ((mmc->cid[0] >> 24) == BIWIN_MID)
fw_ver = ((fw_ver >> 16) & 0xffffffff);
printf("new fw_ver = %llx\n", fw_ver);
if (ffu_status || (fw_ver != ffu_ver))
return ffu_status;
printf("FFU update ok!\n");
return 0;
}
static int do_amlmmc_ffu(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
struct mmc *mmc;
u64 ver, cnt;
int ret;
void *addr;
int dev;
if (argc != 5)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[1], NULL, 10);
ver = simple_strtoul(argv[2], NULL, 16);
addr = (void *)simple_strtoul(argv[3], NULL, 16);
cnt = simple_strtoul(argv[4], NULL, 16);
mmc = find_mmc_device(dev);
if (!mmc)
return CMD_RET_FAILURE;
#ifdef CONFIG_ARMV8_MULTIENTRY
if (gd->flags & GD_FLG_SMP)
spin_lock(&mmc->lock);
#endif
ret = mmc_ffu_op(dev, ver, addr, cnt);
#ifdef CONFIG_ARMV8_MULTIENTRY
if (gd->flags & GD_FLG_SMP)
spin_unlock(&mmc->lock);
#endif
return (ret == 0) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static int do_amlmmc_switch(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int rc = 0;
int dev;
struct mmc *mmc;
if (argc != 4)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
mmc = find_mmc_device(dev);
if (!mmc) {
puts("no mmc devices available\n");
return 1;
}
mmc_init(mmc);
printf("mmc switch to ");
if (strcmp(argv[3], "boot0") == 0) {
rc = mmc_switch_part(mmc, 1);
if (rc == 0) {
emmc_cur_partition = 1;
printf("boot0 success\n");
} else {
printf("boot0 failed\n");
}
}
else if(strcmp(argv[3], "boot1") == 0) {
rc = mmc_switch_part(mmc, 2);
if (rc == 0) {
emmc_cur_partition = 2;
printf("boot1 success\n");
} else {
printf("boot1 failed\n");
}
}
else if(strcmp(argv[3], "user") == 0) {
rc = mmc_switch_part(mmc, 0);
if (rc == 0) {
emmc_cur_partition = 0;
printf("user success\n");
} else {
printf("user failed\n");
}
}
#ifdef CONFIG_SUPPORT_EMMC_RPMB
else if(strcmp(argv[3], "rpmb") == 0) {
rc = mmc_switch_part(mmc, 3);
if (rc == 0) {
emmc_cur_partition = 3;
printf("rpmb success\n");
} else {
printf("rpmb failed\n");
}
}
#endif
else
printf("%s failed\n", argv[3]);
return rc;
}
static int do_amlmmc_controller(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
/*int dev;
struct mmc *mmc;
struct aml_card_sd_info *aml_priv;
struct sd_emmc_global_regs *sd_emmc_reg;
if (argc != 3)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
aml_priv = mmc->priv;
sd_emmc_reg = aml_priv->sd_emmc_reg;
printf("sd_emmc_reg->gclock = 0x%x\n", sd_emmc_reg->gclock);
printf("sd_emmc_reg->gdelay = 0x%x\n", sd_emmc_reg->gdelay);
printf("sd_emmc_reg->gadjust = 0x%x\n", sd_emmc_reg->gadjust);
printf("sd_emmc_reg->gcalout = 0x%x\n", sd_emmc_reg->gcalout);
if (!mmc->has_init) {
printf("mmc dev %d has not been initialed\n", dev);
return 1;
}
printf("sd_emmc_reg->gstart = 0x%x\n", sd_emmc_reg->gstart);
printf("sd_emmc_reg->gcfg = 0x%x\n", sd_emmc_reg->gcfg);
printf("sd_emmc_reg->gstatus = 0x%x\n", sd_emmc_reg->gstatus);
printf("sd_emmc_reg->girq_en = 0x%x\n", sd_emmc_reg->girq_en);
printf("sd_emmc_reg->gcmd_cfg = 0x%x\n", sd_emmc_reg->gcmd_cfg);
printf("sd_emmc_reg->gcmd_arg = 0x%x\n", sd_emmc_reg->gcmd_arg);
printf("sd_emmc_reg->gcmd_dat = 0x%x\n", sd_emmc_reg->gcmd_dat);
printf("sd_emmc_reg->gcmd_rsp0 = 0x%x\n", sd_emmc_reg->gcmd_rsp0);
printf("sd_emmc_reg->gcmd_rsp1 = 0x%x\n", sd_emmc_reg->gcmd_rsp1);
printf("sd_emmc_reg->gcmd_rsp2 = 0x%x\n", sd_emmc_reg->gcmd_rsp2);
printf("sd_emmc_reg->gcmd_rsp3 = 0x%x\n", sd_emmc_reg->gcmd_rsp3);*/
return 0;
}
static int do_amlmmc_response(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
/*int dev;
struct mmc *mmc;
struct aml_card_sd_info *aml_priv;
struct sd_emmc_global_regs *sd_emmc_reg;
if (argc != 3)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
if (!mmc->has_init) {
printf("mmc dev %d has not been initialed\n", dev);
return 1;
}
aml_priv = mmc->priv;
sd_emmc_reg = aml_priv->sd_emmc_reg;
printf("last cmd = %d, response0 = 0x%x\n",
(sd_emmc_reg->gcmd_cfg & 0x3f), sd_emmc_reg->gcmd_rsp0);*/
return 0;
}
static int do_amlmmc_status(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int rc = 0;
int dev;
struct mmc *mmc;
if (argc != 3)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
if (!mmc->has_init) {
printf("mmc dev %d has not been initialed\n", dev);
return 1;
}
rc = mmc_read_status(mmc, 1000);
if (rc)
return 1;
else
return 0;
}
static int do_amlmmc_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int dev;
struct blk_desc *mmc_dev;
struct mmc *mmc;
if (argc != 3)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
mmc = find_mmc_device(dev);
if (!mmc) {
puts("no mmc devices available\n");
return 1;
}
mmc_init(mmc);
mmc_dev = mmc_get_blk_desc(mmc);
if (mmc_dev != NULL &&
mmc_dev->type != DEV_TYPE_UNKNOWN) {
part_print(mmc_dev);
return 0;
}
puts("get mmc type error!\n");
return 1;
}
static int do_amlmmc_rescan(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int dev;
struct mmc *mmc;
if (argc != 3)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
if (dev < 0) {
printf("Cannot find dev.\n");
return 1;
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
mmc->has_init =0;
return mmc_init(mmc);
}
#ifdef CONFIG_SECURITYKEY
static int do_amlmmc_key(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
struct mmc *mmc;
int dev;
//char *name = "logo";
dev = CONFIG_SYS_MMC_BOOT_DEV;
mmc = find_mmc_device(dev);
if (!mmc) {
printf("device %d is invalid\n",dev);
return 1;
}
//mmc->key_protect = 0;
#ifdef CONFIG_STORE_COMPATIBLE
info_disprotect |= DISPROTECT_KEY; //disprotect
printf("emmc disprotect key\n");
#endif
return 0;
}
#endif
static int set_write_prot(struct mmc *mmc, u64 start)
{
struct mmc_cmd cmd;
int err;
cmd.cmdidx = MMC_CMD_SET_WRITE_PROTECT;
cmd.cmdarg = start;
cmd.resp_type = MMC_RSP_R1b;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
goto err_out;
return 0;
err_out:
puts("Failed: mmc write protect failed\n");
return err;
}
static int set_us_wp_en(struct mmc *mmc, u8 *ext_csd, u8 wp_enable_type)
{
u8 index = EXT_CSD_USER_WP;
u8 user_wp = ext_csd[index];
user_wp = user_wp & (~WP_ENABLE_MASK);
user_wp = user_wp | wp_enable_type;
int err = 0;
err = mmc_set_ext_csd(mmc, index, user_wp);
if (err)
printf("Failed: set write protect enable failed\n");
return err;
}
static int mmc_set_us_perm_wp_dis(struct mmc *mmc, u8 *ext_csd)
{
u8 usr_wp = ext_csd[EXT_CSD_USER_WP];
u8 perm_disable_bit = US_PERM_WP_DIS_BIT;
int err;
if (usr_wp & perm_disable_bit)
return 0;
usr_wp = usr_wp | perm_disable_bit;
err = mmc_set_ext_csd(mmc, EXT_CSD_USER_WP, usr_wp);
if (err) {
printf("Failed: set permanent write protect disable failed\n");
return 1;
}
return 0;
}
static int mmc_is_us_pwr_wp_dis(u8 user_wp)
{
return user_wp & US_PWR_WP_DIS_BIT;
}
static int mmc_is_us_perm_wp_dis(u8 user_wp)
{
return user_wp & US_PERM_WP_DIS_BIT;
}
static int check_wp_type(u8 *addr, u8 wp_type, u64 set_protect_cnt)
{
u8 type_mask = WP_TYPE_MASK;
u64 cnt = set_protect_cnt;
u8 times = 0;
u8 index = 7;
u8 cur_group_wp_type = addr[index];
while (cnt != 0) {
if (wp_type != ((type_mask)&(cur_group_wp_type))) {
return 1;
}
if (times == 3) {
times = 0;
index--;
cur_group_wp_type = addr[index];
}
else {
cur_group_wp_type = cur_group_wp_type >> 2;
times++;
}
cnt--;
}
return 0;
}
static int set_register_to_temporary(struct mmc *mmc, u8 *ext_csd)
{
int err;
u8 wp_enable_type = WP_TEMPORARY_EN_BIT;
err = set_us_wp_en(mmc, ext_csd, wp_enable_type);
if (err)
printf("Failed: set temporary write protect failed\n");
return err;
}
static int set_register_to_pwr(struct mmc *mmc, u8 *ext_csd)
{
int err;
u8 user_wp = ext_csd[EXT_CSD_USER_WP];
u8 wp_enable_type = WP_POWER_ON_EN_BIT;
if (mmc_is_us_pwr_wp_dis(user_wp)) {
printf("Failed: power on protection had been disabled\n");
return 1;
}
err = mmc_set_us_perm_wp_dis(mmc, ext_csd);
if (err) {
printf("Failed: set permanent protection disable failed\n");
return 1;
}
err = set_us_wp_en(mmc, ext_csd, wp_enable_type);
if (err) {
printf("Failed: set power on write protect enable failed\n");
return 1;
}
return 0;
}
static int set_register_to_perm(struct mmc *mmc, u8 *ext_csd)
{
int err;
u8 wp_enable_type = WP_PERM_EN_BIT;
u8 user_wp = ext_csd[EXT_CSD_USER_WP];
if (mmc_is_us_perm_wp_dis(user_wp)) {
printf("Failed: Permanent protection had been disabled\n");
return 1;
}
err = set_us_wp_en(mmc, ext_csd, wp_enable_type);
if (err) {
printf("Failed: set permanent write protect enable failed\n");
return 1;
}
return 0;
}
static int set_wp_register(struct mmc *mmc, u8 *ext_csd, u8 wp_type)
{
int ret = 1;
if (wp_type == WP_POWER_ON_TYPE)
ret = set_register_to_pwr(mmc, ext_csd);
else if (wp_type == WP_PERMANENT_TYPE)
ret = set_register_to_perm(mmc, ext_csd);
else if (wp_type == WP_TEMPORARY_TYPE)
ret = set_register_to_temporary(mmc, ext_csd);
return ret;
}
static u64 write_protect_group_size(struct mmc *mmc, u8 *ext_csd)
{
int erase_group_def = ext_csd[EXT_CSD_ERASE_GROUP_DEF];
u64 write_protect_group_size;
u64 wp_grp_size = mmc->csd[2] & WP_GRP_SIZE_MASK;
u64 hc_wp_grp_size = ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
if (erase_group_def == 0)
write_protect_group_size = (wp_grp_size + 1) * mmc->erase_grp_size;
else
write_protect_group_size = hc_wp_grp_size * mmc->erase_grp_size;
return write_protect_group_size;
}
int is_write_protect_valid(u8 *ext_csd)
{
u8 class_6_ctrl = ext_csd[EXT_CSD_CLASS_6_CTRL];
if (class_6_ctrl == 0)
return 1;
return 0;
}
static int compute_write_protect_range(struct mmc *mmc, char *name,
u8 *ext_csd, u64 *wp_grp_size_addr, u64 *start_addr, u64 *end)
{
int blk_shift;
struct partitions *part_info;
u64 cnt;
u64 start = *start_addr;
u64 align_start = *start_addr;
u64 wp_grp_size = 0;
u64 group_num;
u64 partition_end;
wp_grp_size = write_protect_group_size(mmc, ext_csd);
if (wp_grp_size == 0) {
printf("bad wp_grp_size.\n");
return 1;
}
blk_shift = ffs(mmc->read_bl_len) -1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
part_info = find_mmc_partition_by_name(name);
if (part_info == NULL)
return 1;
start = part_info->offset >> blk_shift;
printf("start:%d wp_grp_size:%d",(int)start,(int)wp_grp_size);
if ((start % wp_grp_size)) {
align_start = (start + wp_grp_size - 1) / wp_grp_size * wp_grp_size;
printf("Caution! The partition start address isn't' aligned"
"to group size\n"
"the start address is change from 0x%llx to 0x%llx\n",
start, align_start);
} else {
align_start = start;
}
if (emmc_cur_partition && !strncmp(name, "bootloader", strlen("bootloader")))
cnt =0;
else
cnt = part_info->size >> blk_shift;
if (cnt < wp_grp_size) {
printf("Caution: The partition size is 0x%llx sector smaller than "
"the group size 0x%llx sector, \n"
"so the partition can't be protect\n", cnt, wp_grp_size);
return 1;
}
*start_addr = align_start;
*wp_grp_size_addr = wp_grp_size;
partition_end = start + cnt - 1;
group_num = (cnt - (align_start - start)) / wp_grp_size;
*end = align_start + group_num * wp_grp_size - 1;
if (partition_end != *end) {
printf("Caution! The boundary of partition isn't aligned with write "
"protected group,\n"
"so the write protected boundary of the "
"partition is 0x%llx, rather than 0x%llx\n",
*end, partition_end);
}
printf("write_protect group size is 0x%llx sector\n", wp_grp_size);
printf("The %s partition write protect group number is %lld\n", name, group_num);
#ifdef WP_DEBUG
printf("the start address is 0x%llx, group size is 0x%llx, end is 0x%llx\n",
*start_addr, *wp_grp_size_addr, *end);
#endif
return 0;
}
static int send_wp_prot_type(struct mmc *mmc, void *dst, u64 blk)
{
struct mmc_cmd cmd;
int err;
struct mmc_data data;
cmd.cmdidx = MMC_CMD_SEND_WRITE_PROT_TYPE;
cmd.cmdarg = blk;
cmd.resp_type = MMC_RSP_R1;
data.dest = (char* )dst;
data.blocks = 1;
data.blocksize = 8;
data.flags = MMC_DATA_READ;
err = mmc_send_cmd(mmc, &cmd, &data);
if (err)
goto err_out;
return 0;
err_out:
puts("Failed: mmc send write protect type failed\n");
return err;
}
static int is_wp_set_failed(struct mmc *mmc, u8 wp_type, u64 start, u64 group_cnt)
{
u8 *addr = NULL;
u8 err = 0;
addr = malloc(sizeof(u64));
if (addr == NULL) {
printf("Failed: malloc failed\n");
return 1;
}
err = send_wp_prot_type(mmc, addr, start);
if (err)
goto err_out;
#ifdef WP_DEBUG
int i;
for (i = 0; i < 8; i++)
printf("write_protect status is %x\n", ((u8 *)addr)[i]);
#endif
if (check_wp_type(addr, wp_type, group_cnt)) {
printf("Failed: Write Protection set failed\n");
goto err_out;
}
return 0;
err_out:
free(addr);
return 1;
}
static int send_part_wp_type(struct mmc *mmc, char *name)
{
int err = 0;
u8 ext_csd[512] = {0};
u64 wp_grp_size, start = 0, part_end;
u64 group_start;
void *addr = NULL;
int i;
int ret;
ret = mmc_send_ext_csd(mmc, ext_csd);
if (ret) {
printf("Failed: get ext_csd failed\n");
return 1;
}
if (!is_write_protect_valid(ext_csd)) {
printf("Failed: CLASS_6_CTRL isn't '0' "
"write protect process is invalid\n");
return 1;
}
addr = (char* )malloc(sizeof(u64));
if (addr == NULL) {
printf("Failed: malloc failed\n");
return 1;
}
err = compute_write_protect_range(mmc, name, ext_csd,
&wp_grp_size, &start, &part_end);
if (err) {
free(addr);
return 1;
}
group_start = start;
while ((group_start + wp_grp_size - 1) <= part_end) {
err = send_wp_prot_type(mmc, addr, group_start);
if (err) {
free(addr);
return 1;
}
printf("The write protect type for the 32 groups after 0x%llx is: \n0x",
group_start);
for (i = 0; i < 8; i++)
printf("%02x", ((u8*)addr)[i]);
printf("\n");
group_start += 32 * wp_grp_size;
}
free(addr);
return 0;
}
static int send_add_wp_type(struct mmc *mmc, u64 start, u64 cnt)
{
u8 ext_csd[512] = {0};
u64 wp_grp_size = 0;
u64 part_end = 0;
u64 group_start;
u64 mmc_boundary;
int blk_shift;
void *addr = NULL;
int i;
int ret;
ret = mmc_send_ext_csd(mmc, ext_csd);
if (ret) {
printf("Failed: get ext_csd failed\n");
return 1;
}
if (!is_write_protect_valid(ext_csd)) {
printf("Failed: CLASS_6_CTRL isn't '0' "
"write protect process is invalid\n");
return 1;
}
addr = malloc(sizeof(u64));
if (addr == NULL) {
printf("Failed: malloc failed\n");
return 1;
}
wp_grp_size = write_protect_group_size(mmc, ext_csd);
if ((start % wp_grp_size)) {
group_start = (start + wp_grp_size - 1) / wp_grp_size * wp_grp_size;
printf("Caution! The partition start address isn't' aligned"
"to group size\n"
"the start address is change from 0x%llx to 0x%llx\n",
start, group_start);
part_end = group_start + (cnt - 1) * wp_grp_size - 1;
printf("The write protect group number is 0x%llx, rather than 0x%lld\n",
cnt - 1, cnt);
} else {
group_start = start;
part_end = group_start + cnt * wp_grp_size - 1;
}
blk_shift = ffs(mmc->read_bl_len) - 1;
if (blk_shift < 0) {
printf("bad shift.\n");
free(addr);
return 1;
}
mmc_boundary = mmc->capacity>>blk_shift;
if ((part_end + 1) > mmc_boundary) {
printf("Error: the operation cross the boundary of mmc\n");
free(addr);
return 1;
}
while ((group_start + wp_grp_size - 1) <= part_end) {
ret = send_wp_prot_type(mmc, addr, group_start);
if (ret) {
free(addr);
return 1;
}
printf("The write protect type for the 32 groups after 0x%llx is: \n0x",
group_start);
for (i = 0; i < 8; i++)
printf("%02x", ((u8*)addr)[i]);
printf("\n");
group_start += 32 * wp_grp_size;
}
free(addr);
return 0;
}
static int set_part_write_protect(struct mmc *mmc, u8 wp_type, char *name)
{
int err = 0;
u8 ext_csd[512] = {0};
u8 group_num = 32;
u64 wp_grp_size, start = 0, part_end;
u64 group_start;
u64 check_group_start;
u64 set_protect_cnt = 0;
err = mmc_send_ext_csd(mmc, ext_csd);
if (err) {
printf("Failed: get ext_csd failed\n");
return 1;
}
if (!is_write_protect_valid(ext_csd)) {
printf("Failed: CLASS_6_CTRL isn't '0' "
"write protect process is invalid\n");
return 1;
}
err = compute_write_protect_range(mmc, name, ext_csd,
&wp_grp_size, &start, &part_end);
if (err)
return 1;
group_start = start;
err = set_wp_register(mmc, ext_csd, wp_type);
if (err)
return 1;
while ((group_start + wp_grp_size - 1) <= part_end) {
err = set_write_prot(mmc, group_start);
if (err)
return 1;
group_start += wp_grp_size;
set_protect_cnt++;
//check write protect type every 32 group
if (set_protect_cnt % 32 == 0) {
check_group_start = group_start - group_num * wp_grp_size;
err = is_wp_set_failed(mmc, wp_type, check_group_start, group_num);
if (err)
return 1;
}
}
group_num = set_protect_cnt % 32;
check_group_start = group_start - group_num * wp_grp_size;
if (group_num) {
err = is_wp_set_failed(mmc, wp_type, check_group_start, group_num);
if (err)
return 1;
}
return 0;
}
static int set_add_write_protect(struct mmc *mmc, u8 wp_type, u64 start, u64 cnt)
{
int err = 0;
u8 ext_csd[512] = {0};
int group_num = 32;
u64 wp_grp_size, part_end;
u64 group_start;
u64 check_group_start;
u64 set_protect_cnt = 0;
u64 mmc_boundary = 0;
int blk_shift;
err = mmc_send_ext_csd(mmc, ext_csd);
if (err) {
printf("Failed: get ext_csd failed\n");
return 1;
}
if (!is_write_protect_valid(ext_csd)) {
printf("Failed: CLASS_6_CTRL isn't '0' "
"write protect process is invalid\n");
return 1;
}
wp_grp_size = write_protect_group_size(mmc, ext_csd);
if ((start % wp_grp_size)) {
group_start = (start + wp_grp_size - 1) / wp_grp_size * wp_grp_size;
printf("Caution! The partition start address isn't' aligned"
"to group size\n"
"the start address is change from 0x%llx to 0x%llx\n",
start, group_start);
part_end = group_start + (cnt - 1) * wp_grp_size - 1;
printf("The write protect group number is 0x%llx, rather than 0x%lld\n",
cnt - 1, cnt);
} else {
group_start = start;
part_end = group_start + cnt * wp_grp_size - 1;
}
blk_shift = ffs(mmc->read_bl_len) - 1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
mmc_boundary = mmc->capacity>>blk_shift;
if ((part_end + 1) > mmc_boundary) {
printf("Error: the operation cross the boundary of mmc\n");
return 1;
}
err = set_wp_register(mmc, ext_csd, wp_type);
if (err)
return 1;
while ((group_start + wp_grp_size - 1) <= part_end) {
err = set_write_prot(mmc, group_start);
if (err)
return 1;
group_start += wp_grp_size;
set_protect_cnt++;
//check write protect type every 32 group
if (set_protect_cnt % 32 == 0) {
check_group_start = group_start - group_num * wp_grp_size;
err = is_wp_set_failed(mmc, wp_type, check_group_start, group_num);
if (err)
return 1;
}
}
group_num = set_protect_cnt % 32;
check_group_start = group_start - group_num * wp_grp_size;
if (group_num) {
err = is_wp_set_failed(mmc, wp_type, check_group_start, group_num);
if (err)
return 1;
}
return 0;
}
static int do_amlmmc_write_protect(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
struct mmc *mmc;
int dev = 1;
char *name = NULL;
char *wp_type_str = NULL;
u8 write_protect_type;
u64 start, cnt;
if (argc > 5 || argc < 4)
return ret;
if (argc == 4) {
name = argv[2];
wp_type_str = argv[3];
dev = find_dev_num_by_partition_name(name);
if (dev < 0) {
printf("Error: Cannot find dev.\n");
return CMD_RET_USAGE;
}
} else {
start = simple_strtoull(argv[2], NULL, 16);
cnt = simple_strtoull(argv[3], NULL, 0);
wp_type_str = argv[4];
}
mmc = find_mmc_device(dev);
if (!mmc) {
printf("[%s] no mmc devices available\n", __func__);
return 1;
}
if (IS_SD(mmc)) {
mmc = find_mmc_device(~dev);
if (mmc && IS_SD(mmc)) {
printf("SD card can not be write protect\n");
return 1;
}
}
mmc_init(mmc);
if (strcmp(wp_type_str, "temporary") == 0)
write_protect_type = WP_TEMPORARY_TYPE;
else if (strcmp(wp_type_str, "power_on") == 0 )
write_protect_type = WP_POWER_ON_TYPE;
else if (strcmp(wp_type_str, "permanent") == 0)
write_protect_type = WP_PERMANENT_TYPE;
else
return ret;
if (argc == 4)
ret = set_part_write_protect(mmc, write_protect_type, name);
else
ret = set_add_write_protect(mmc, write_protect_type, start, cnt);
return ret;
}
static int do_amlmmc_boot_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
u8 ext_csd[512] = {0};
char *name = NULL;
char *type = NULL;
struct mmc *mmc;
int dev = 1;
u8 boot_wp = 0;
u8 boot_wp_status = 0;
u8 perm_dis = 0;
u8 perm_en = 0;
if (argc != 4)
return ret;
name = argv[2];
type = argv[3];
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
if (IS_SD(mmc)) {
mmc = find_mmc_device(~dev);
if (!mmc)
return 1;
if (IS_SD(mmc)) {
printf("SD card can not be write protect\n");
return 1;
}
}
mmc_init(mmc);
ret = mmc_send_ext_csd(mmc, ext_csd);
if (ret)
printf("get ext_csd failed\n");
boot_wp = ext_csd[EXT_CSD_BOOT_WP];
boot_wp_status = ext_csd[EXT_CSD_BOOT_WP_STATUS];
perm_dis = boot_wp & 0x10;
perm_en = boot_wp & 0x4;
if (!strcmp(type, "permanent") && perm_dis == 0) {
if (!strcmp(name, "both"))
boot_wp = 0x4;
else if (!strcmp(name, "boot0"))
boot_wp = 0x84;
else if (!strcmp(name, "boot1"))
boot_wp = 0x8c;
else
return -1;
}
if (!strcmp(type, "poweron")) {
if (!strcmp(name, "both") && perm_en == 0) {
boot_wp |= 0x1;
} else if (!strcmp(name, "boot0")) {
boot_wp |= 0x81;
boot_wp |= boot_wp_status & 0x8;
} else if (!strcmp(name, "boot1")) {
boot_wp |= 0x83;
} else {
return -1;
}
}
printf("boot_wp is 0x%x\n", boot_wp);
ret = mmc_set_ext_csd(mmc, EXT_CSD_BOOT_WP, boot_wp);
if (ret) {
printf("set ext_csd boot_wp field failed\n");
return ret;
}
return ret;
}
static int do_amlmmc_boot_wp_status(cmd_tbl_t *cmdtp,
int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
u8 ext_csd[512] = {0};
u8 boot_wp_status;
struct mmc *mmc;
int dev = 1;
if (argc != 2)
return ret;
mmc = find_mmc_device(dev);
if (!mmc)
return ret;
if (IS_SD(mmc)) {
mmc = find_mmc_device(~dev);
if (!mmc)
return ret;
if (IS_SD(mmc)) {
printf("SD card can not be write protect\n");
return 1;
}
}
mmc_init(mmc);
ret = mmc_send_ext_csd(mmc, ext_csd);
if (ret)
printf("get ext_csd failed\n");
boot_wp_status = ext_csd[EXT_CSD_BOOT_WP_STATUS];
if ((boot_wp_status & 0x3) == 0)
printf("boot0 is not protected\n");
else if ((boot_wp_status & 0x3) == 1)
printf("boot0 is power on protected\n");
else if ((boot_wp_status & 0x3) == 2)
printf("boot0 is permanently protected\n");
if ((boot_wp_status & 0xc) == 0)
printf("boot1 is not protected\n");
else if ((boot_wp_status & 0xc) == 4)
printf("boot1 is power on protected\n");
else if ((boot_wp_status & 0xc) == 8)
printf("boot1 is permanently protected\n");
return ret;
}
static int clear_write_prot_per_group(struct mmc *mmc, u64 blk)
{
struct mmc_cmd cmd;
int err;
cmd.cmdidx = MMC_CMD_CLR_WRITE_PROT;
cmd.cmdarg = blk;
cmd.resp_type = MMC_RSP_R1b;
err = mmc_send_cmd(mmc, &cmd, NULL);
return err;
}
static int set_part_clear_wp(struct mmc *mmc, char *name)
{
int err = 0;
u8 ext_csd[512] = {0};
u8 group_num = 32;
u64 wp_grp_size, start = 0, part_end;
u64 group_start;
u64 check_group_start;
u64 set_protect_cnt = 0;
u8 wp_type = WP_CLEAR_TYPE;
err = mmc_send_ext_csd(mmc, ext_csd);
if (err) {
printf("get ext_csd failed\n");
return 1;
}
if (!is_write_protect_valid(ext_csd)) {
printf("CLASS_6_CTRL isn't '0' write protect process is invalid\n");
return 1;
}
err = compute_write_protect_range(mmc, name, ext_csd,
&wp_grp_size, &start, &part_end);
if (err)
return 1;
group_start = start;
/*
if (!is_wp_type_temporary(ext_csd)) {
printf("The write protect can't be clear\n");
return 1;
}
*/
while ((group_start + wp_grp_size - 1) <= part_end) {
err = clear_write_prot_per_group(mmc, group_start);
if (err) {
printf("Error: The write protect can't be clear\n");
return 1;
}
group_start += wp_grp_size;
set_protect_cnt++;
//check write protect type every 32 group
if (set_protect_cnt % 32 == 0) {
check_group_start = group_start - group_num * wp_grp_size;
err = is_wp_set_failed(mmc, wp_type, check_group_start, group_num);
if (err)
return 1;
}
}
group_num = set_protect_cnt % 32;
check_group_start = group_start - group_num * wp_grp_size;
if (group_num) {
err = is_wp_set_failed(mmc, wp_type, check_group_start, group_num);
if (err)
return 1;
}
return 0;
}
static int set_add_clear_wp(struct mmc *mmc, u64 start, u64 cnt)
{
int err = 0;
u8 ext_csd[512] = {0};
u8 group_num = 32;
u64 wp_grp_size, part_end;
u64 group_start;
u64 check_group_start;
u64 set_protect_cnt = 0;
u8 wp_type = WP_CLEAR_TYPE;
int blk_shift;
u64 mmc_boundary;
err = mmc_send_ext_csd(mmc, ext_csd);
if (err) {
printf("get ext_csd failed\n");
return 1;
}
if (!is_write_protect_valid(ext_csd)) {
printf("CLASS_6_CTRL isn't '0' write protect process is invalid\n");
return 1;
}
wp_grp_size = write_protect_group_size(mmc, ext_csd);
if ((start % wp_grp_size)) {
group_start = (start + wp_grp_size - 1) / wp_grp_size * wp_grp_size;
printf("Caution! The partition start address isn't' aligned"
"to group size\n"
"the start address is change from 0x%llx to 0x%llx\n",
start, group_start);
part_end = group_start + (cnt - 1) * wp_grp_size - 1;
printf("The write protect group number is 0x%llx, rather than 0x%lld\n",
cnt - 1, cnt);
} else {
group_start = start;
part_end = group_start + cnt * wp_grp_size - 1;
}
blk_shift = ffs(mmc->read_bl_len) - 1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
mmc_boundary = mmc->capacity>>blk_shift;
if ((part_end + 1) > mmc_boundary) {
printf("Error: the operation cross the boundary of mmc\n");
return 1;
}
while ((group_start + wp_grp_size - 1) <= part_end) {
err = clear_write_prot_per_group(mmc, group_start);
if (err) {
printf("Error: The write protect can't be clear\n");
return 1;
}
group_start += wp_grp_size;
set_protect_cnt++;
//check write protect type every 32 group
if (set_protect_cnt % 32 == 0) {
check_group_start = group_start - group_num * wp_grp_size;
err = is_wp_set_failed(mmc, wp_type, check_group_start, group_num);
if (err)
return 1;
}
}
group_num = set_protect_cnt % 32;
check_group_start = group_start - group_num * wp_grp_size;
if (group_num) {
err = is_wp_set_failed(mmc, wp_type, check_group_start, group_num);
if (err)
return 1;
}
return 0;
}
static int do_amlmmc_clear_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
struct mmc *mmc;
int dev = 1;
char *name = NULL;
u64 start, cnt;
if (argc < 3 || argc > 4)
return ret;
if (argc == 3) {
name = argv[2];
dev = find_dev_num_by_partition_name(name);
if (dev < 0) {
printf("Error: Cannot find dev.\n");
return CMD_RET_USAGE;
}
} else {
start = simple_strtoull(argv[2], NULL, 16);
cnt = simple_strtoull(argv[3], NULL, 10);
}
mmc = find_mmc_device(dev);
if (!mmc)
return 1;
if (IS_SD(mmc)) {
mmc = find_mmc_device(~dev);
if (mmc && IS_SD(mmc)) {
printf("SD card can not be write protect\n");
return 1;
}
}
mmc_init(mmc);
if (argc == 3)
ret = set_part_clear_wp(mmc, name);
else
ret = set_add_clear_wp(mmc, start, cnt);
return ret;
}
static int send_write_prot_status_group(struct mmc *mmc, u64 blk)
{
struct mmc_cmd cmd;
struct mmc_data data;
int err;
void *addr = NULL;
int i = 0;
addr = malloc(4*sizeof(u8));
if (addr == NULL) {
printf("Failed: malloc failed\n");
return 1;
}
cmd.cmdidx = MMC_CMD_SEND_WRITE_PROT;
cmd.cmdarg = blk;
cmd.resp_type = MMC_RSP_R1;
data.dest = addr;
data.blocks = 1;
data.blocksize = 4;
data.flags = MMC_DATA_READ;
err = mmc_send_cmd(mmc, &cmd, &data);
if (err)
goto err_out;
printf("The write protect type for the 32 groups after 0x%llx is:\n0x",
blk);
for (i = 0 ; i < 4; i++)
printf("%02x", ((u8 *)addr)[i]);
printf("\n");
free(addr);
return 0;
err_out:
free(addr);
return 1;
}
static int send_part_wp_status(struct mmc *mmc, char *name)
{
int err = 0;
u8 ext_csd[512] = {0};
u64 wp_grp_size, start = 0, part_end;
u64 group_start;
err = mmc_send_ext_csd(mmc, ext_csd);
if (err) {
printf("Failed: get ext_csd failed\n");
return 1;
}
if (!is_write_protect_valid(ext_csd)) {
printf("Failed: CLASS_6_CTRL isn't '0' "
"write protect process is invalid\n");
return 1;
}
err = compute_write_protect_range(mmc, name, ext_csd,
&wp_grp_size, &start, &part_end);
if (err)
return 1;
group_start = start;
while ((group_start + wp_grp_size - 1) <= part_end) {
err = send_write_prot_status_group(mmc, group_start);
if (err)
return 1;
group_start += 32 * wp_grp_size;
}
return 0;
}
static int send_add_wp_status(struct mmc *mmc, u64 start, u64 cnt)
{
int err = 0;
u8 ext_csd[512] = {0};
u64 wp_grp_size, part_end;
u64 group_start;
int blk_shift;
u64 mmc_boundary;
err = mmc_send_ext_csd(mmc, ext_csd);
if (err) {
printf("Failed: get ext_csd failed\n");
return 1;
}
if (!is_write_protect_valid(ext_csd)) {
printf("Failed: CLASS_6_CTRL isn't '0' "
"write protect process is invalid\n");
return 1;
}
wp_grp_size = write_protect_group_size(mmc, ext_csd);
if ((start % wp_grp_size)) {
group_start = (start + wp_grp_size - 1) / wp_grp_size * wp_grp_size;
printf("Caution! The partition start address isn't' aligned"
"to group size\n"
"the start address is change from 0x%llx to 0x%llx\n",
start, group_start);
part_end = group_start + (cnt - 1) * wp_grp_size - 1;
printf("The write protect group number is 0x%llx, rather than 0x%lld\n",
cnt - 1, cnt);
} else {
group_start = start;
part_end = group_start + cnt * wp_grp_size - 1;
}
blk_shift = ffs(mmc->read_bl_len) - 1;
if (blk_shift < 0) {
printf("bad shift.\n");
return 1;
}
mmc_boundary = mmc->capacity>>blk_shift;
if ((part_end + 1) > mmc_boundary) {
printf("Error: the operation cross the boundary of mmc\n");
return 1;
}
while ((group_start + wp_grp_size - 1) <= part_end) {
err = send_write_prot_status_group(mmc, group_start);
if (err)
return 1;
group_start += 32 * wp_grp_size;
}
return 0;
}
static int do_amlmmc_send_wp_status(cmd_tbl_t *cmdtp,
int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
struct mmc *mmc;
int dev = 1;
char *name = NULL;
u64 start, cnt;
if (argc < 3 || argc > 4)
return ret;
if (argc == 3) {
name = argv[2];
dev = find_dev_num_by_partition_name(name);
if (dev < 0) {
printf("Error: Cannot find dev.\n");
return 1;
}
} else {
start = simple_strtoull(argv[2], NULL, 16);
cnt = simple_strtoull(argv[3], NULL, 0);
}
mmc = find_mmc_device(dev);
if (!mmc) {
printf("[%s] no mmc devices available\n", __func__);
return 1;
}
if (IS_SD(mmc)) {
mmc = find_mmc_device(~dev);
if (mmc && IS_SD(mmc)) {
printf("SD card can not be write protect\n");
return 1;
}
}
mmc_init(mmc);
if (argc == 3)
ret = send_part_wp_status(mmc, name);
else
ret = send_add_wp_status(mmc, start, cnt);
if (ret) {
printf("Failed: send partition write protect status failed\n");
}
return ret;
}
static int do_amlmmc_send_wp_type(cmd_tbl_t *cmdtp,
int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
struct mmc *mmc;
int dev = 1;
char *name = NULL;
u64 start, cnt;
if (argc < 3 || argc > 4)
return ret;
if (argc == 3) {
name = argv[2];
dev = find_dev_num_by_partition_name(name);
if (dev < 0) {
printf("Error: Cannot find dev.\n");
return 1;
}
} else {
start = simple_strtoull(argv[2], NULL, 16);
cnt = simple_strtoull(argv[3], NULL, 0);
}
mmc = find_mmc_device(dev);
if (!mmc) {
printf("[%s] no mmc devices available\n", __func__);
return 1;
}
if (IS_SD(mmc)) {
mmc = find_mmc_device(~dev);
if (mmc && IS_SD(mmc)) {
printf("SD card can not be write protect\n");
return 1;
}
}
mmc_init(mmc);
if (argc == 3)
ret = send_part_wp_type(mmc, name);
else
ret = send_add_wp_type(mmc, start, cnt);
if (ret) {
printf("Failed: send partitions write protect type failed\n");
}
return ret;
}
static int set_driver_strength(struct mmc *mmc, int strength)
{
int ret = 0;
u8 ext_csd[512] = {0};
u8 strength_type = 0;
u8 driver_strength;
u8 hs_timing = 0;
ret = mmc_send_ext_csd(mmc, ext_csd);
if (ret) {
printf("get ext_csd failed\n");
return ret;
}
strength_type = 1 << strength;
driver_strength = ext_csd[EXT_CSD_DRIVER_STRENGTH];
if (0 == (strength_type & driver_strength)) {
printf("Failed: This device didn't support strength type %d\n", strength);
return 1;
}
hs_timing = ext_csd[EXT_CSD_HS_TIMING];
if ((hs_timing >> 4) > 0) {
printf("Failed: The driver strength has been set already, \
please reset the device\n");
return 1;
}
hs_timing = hs_timing | (strength << 4);
ret = mmc_set_ext_csd(mmc, EXT_CSD_HS_TIMING, hs_timing);
if (ret) {
printf("set ext_csd hs_timing field failed\n");
return ret;
}
ret = mmc_send_ext_csd(mmc, ext_csd);
if (ret) {
printf("get ext_csd failed\n");
return ret;
}
printf("The ext_csd[HS_TIMING] has been set to 0x%x\n",
ext_csd[EXT_CSD_HS_TIMING]);
return ret;
}
static int get_driver_strength(struct mmc *mmc)
{
int ret = 0;
u8 ext_csd[512] = {0};
u8 support_ds_type = 0;
u8 cur_driver_strength;
u8 hs_timing = 0;
ret = mmc_send_ext_csd(mmc, ext_csd);
if (ret) {
printf("get ext_csd failed\n");
return ret;
}
support_ds_type = ext_csd[EXT_CSD_DRIVER_STRENGTH];
hs_timing = ext_csd[EXT_CSD_HS_TIMING];
cur_driver_strength = hs_timing >> 4;
printf("current strength type is: ");
int strength_type = 0;
while (support_ds_type) {
if (support_ds_type & 1) {
if (cur_driver_strength == strength_type)
printf("[%d] ", strength_type);
else
printf("%d ", strength_type);
}
strength_type++;
support_ds_type = support_ds_type >> 1;
}
printf("\n");
return ret;
}
static int amlmmc_set_driver_strength(int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
int dev, strength;
struct mmc *mmc;
if (argc != 4)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
strength = simple_strtoul(argv[3], NULL, 10);
mmc = find_mmc_device(dev);
if (!mmc) {
puts("no mmc devices available\n");
return 1;
}
mmc_init(mmc);
ret = set_driver_strength(mmc, strength);
return ret;
}
static int amlmmc_get_driver_strength(int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
int dev;
struct mmc *mmc;
if (argc != 3)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[2], NULL, 10);
mmc = find_mmc_device(dev);
if (!mmc) {
puts("no mmc devices available\n");
return 1;
}
mmc_init(mmc);
ret = get_driver_strength(mmc);
return ret;
}
static int do_amlmmc_driver_strength(cmd_tbl_t *cmdtp,
int flag, int argc, char *const argv[])
{
int ret = CMD_RET_USAGE;
if (argc == 3)
ret = amlmmc_get_driver_strength(argc,argv);
else if (argc == 4)
ret = amlmmc_set_driver_strength(argc,argv);
return ret;
}
static cmd_tbl_t cmd_amlmmc[] = {
U_BOOT_CMD_MKENT(read, 6, 0, do_amlmmc_read, "", ""),
U_BOOT_CMD_MKENT(write, 6, 0, do_amlmmc_write, "", ""),
U_BOOT_CMD_MKENT(erase, 5, 0, do_amlmmc_erase, "", ""),
U_BOOT_CMD_MKENT(rescan, 3, 0, do_amlmmc_rescan, "", ""),
U_BOOT_CMD_MKENT(part, 3, 0, do_amlmmc_part, "", ""),
U_BOOT_CMD_MKENT(list, 2, 0, do_amlmmc_list, "", ""),
U_BOOT_CMD_MKENT(switch, 4, 0, do_amlmmc_switch, "", ""),
U_BOOT_CMD_MKENT(status, 3, 0, do_amlmmc_status, "", ""),
U_BOOT_CMD_MKENT(ext_csd, 5, 0, do_amlmmc_ext_csd, "", ""),
U_BOOT_CMD_MKENT(ffu, 5, 0, do_amlmmc_ffu, "", ""),
U_BOOT_CMD_MKENT(response, 3, 0, do_amlmmc_response, "", ""),
U_BOOT_CMD_MKENT(controller, 3, 0, do_amlmmc_controller, "", ""),
U_BOOT_CMD_MKENT(size, 4, 0, do_amlmmc_size, "", ""),
U_BOOT_CMD_MKENT(env, 2, 0, do_amlmmc_env, "", ""),
U_BOOT_CMD_MKENT(write_protect, 5, 0, do_amlmmc_write_protect, "", ""),
U_BOOT_CMD_MKENT(send_wp_status, 4, 0, do_amlmmc_send_wp_status, "", ""),
U_BOOT_CMD_MKENT(send_wp_type, 4, 0, do_amlmmc_send_wp_type, "", ""),
U_BOOT_CMD_MKENT(clear_wp, 4, 0, do_amlmmc_clear_wp, "", ""),
U_BOOT_CMD_MKENT(boot_wp, 4, 0, do_amlmmc_boot_wp, "", ""),
U_BOOT_CMD_MKENT(boot_wp_status, 2, 0, do_amlmmc_boot_wp_status, "", ""),
U_BOOT_CMD_MKENT(ds, 4, 0, do_amlmmc_driver_strength, "", ""),
#ifdef CONFIG_SECURITYKEY
U_BOOT_CMD_MKENT(key, 2, 0, do_amlmmc_key, "", ""),
#endif
};
static int do_amlmmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *cp;
cp = find_cmd_tbl(argv[1], cmd_amlmmc, ARRAY_SIZE(cmd_amlmmc));
if (cp == NULL || argc > cp->maxargs)
return CMD_RET_USAGE;
if (flag == CMD_FLAG_REPEAT && !cp->cmd_rep)
return CMD_RET_SUCCESS;
return cp->cmd(cmdtp, flag, argc, argv);
}
U_BOOT_CMD(
amlmmc, 6, 1, do_amlmmcops,
"AMLMMC sub system",
"read <partition_name> ram_addr addr_byte# cnt_byte\n"
"amlmmc write <partition_name> ram_addr addr_byte# cnt_byte\n"
"amlmmc erase <partition_name> addr_byte# cnt_byte\n"
"amlmmc erase <partition_name>/<device num>\n"
"amlmmc rescan <device_num>\n"
"amlmmc part <device_num> - show partition information of mmc\n"
"amlmmc list - lists available devices\n"
"amlmmc env - display env partition offset\n"
"amlmmc switch <device_num> <part name> - part name : boot0, boot1, user\n"
"amlmmc status <device_num> - read sd/emmc device status\n"
"amlmmc ext_csd <device_num> <byte> - read sd/emmc device EXT_CSD [byte]\n"
"amlmmc ext_csd <device_num> <byte> <value> - write sd/emmc device EXT_CSD [byte] value\n"
"amlmmc ffu <device_num> <ver> <addr> <cnt> - update ffu fw\n"
"amlmmc response <device_num> - read sd/emmc last command response\n"
"amlmmc controller <device_num> - read sd/emmc controller register\n"
"amlmmc write_protect <partition_name> <write_protect_type>\n"
" - set write protect on partition through power_on or temporary\n"
"amlmmc write_protect <addr_base16> <cnt_base10> <write_protect_type>\n"
" - set write protect on specified address through power_on or temporary\n"
"amlmmc send_wp_status <partition_name> send protect status of partition\n"
"amlmmc send_wp_status <addr_base16> <cnt_base10> send protect status on specified address\n"
"amlmmc send_wp_type <partition_name> send protect type of partition\n"
"amlmmc send_wp_type <addr_base16> <cnt_base10> send protect type on specified address\n"
"amlmmc clear_wp <partition_name> clear write protect of partition\n"
"amlmmc clear_wp <addr_base16> <cnt_base10> clear write protect on specified address\n"
"amlmmc boot_wp <boot number> <write protect type> boot0/boot1/both, /poweron/permanent\n"
"amlmmc boot_wp_status send boot write protect status\n"
"amlmmc ds <dev_num> <val> set driver strength\n"
#ifdef CONFIG_SECURITYKEY
"amlmmc key - disprotect key partition\n"
#endif
);
/* dtb read&write operation with backup updates */
static u32 _calc_dtb_checksum(struct aml_dtb_rsv * dtb)
{
int i = 0;
int size = sizeof(struct aml_dtb_rsv) - sizeof(u32);
u32 * buffer;
u32 checksum = 0;
if ((uintptr_t)dtb % 4 != 0) {
BUG();
}
size = size >> 2;
buffer = (u32*) dtb;
while (i < size)
checksum += buffer[i++];
return checksum;
}
static int _verify_dtb_checksum(struct aml_dtb_rsv * dtb)
{
u32 checksum;
checksum = _calc_dtb_checksum(dtb);
dtb_info("calc %x, store %x\n", checksum, dtb->checksum);
return !(checksum == dtb->checksum);
}
static int _dtb_read(struct mmc *mmc, u64 blk, u64 cnt, void * addr)
{
int dev = EMMC_DTB_DEV;
u64 n;
n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr);
if (n != cnt) {
dtb_err("%s: dev # %d, block # %#llx, count # %#llx ERROR!\n",
__func__, dev, blk, cnt);
}
return (n != cnt);
}
static int _dtb_write(struct mmc *mmc, u64 blk, u64 cnt, void * addr)
{
int dev = EMMC_DTB_DEV;
u64 n;
n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr);
if (n != cnt) {
dtb_err("%s: dev # %d, block # %#llx, count # %#llx ERROR!\n",
__func__, dev, blk, cnt);
}
return (n != cnt);
}
static struct mmc *_dtb_init(void)
{
struct mmc *mmc = find_mmc_device(EMMC_DTB_DEV);
if (!mmc) {
dtb_err("not find mmc\n");
return NULL;
}
if (mmc_init(mmc)) {
dtb_err("mmc init failed\n");
return NULL;
}
return mmc;
}
static int dtb_read_shortcut(struct mmc * mmc, void *addr)
{
u64 blk, cnt, dtb_glb_offset;
int dev = EMMC_DTB_DEV;
struct aml_dtb_info *info = &dtb_infos;
struct partitions * part = NULL;
struct virtual_partition *vpart = NULL;
vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME);
part = aml_get_partition_by_name(MMC_RESERVED_NAME);
dtb_glb_offset = part->offset + vpart->offset;
/* short cut */
if (info->valid[0]) {
dtb_info("short cut in...\n");
blk = dtb_glb_offset / mmc->read_bl_len;
cnt = vpart->size / mmc->read_bl_len;
if (_dtb_read(mmc, blk, cnt, addr)) {
dtb_err("%s: dev # %d, block # %#llx,cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
/*try dtb2 if it's valid */
if (info->valid[1]) {
blk = (dtb_glb_offset + vpart->size) / mmc->read_bl_len;
cnt = vpart->size / mmc->read_bl_len;
if (_dtb_read(mmc, blk, cnt, addr)) {
dtb_err("%s: dev # %d, block # %#llx, cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
return -1;
}
}
}
return 0;
}
return -2;
}
static int update_dtb_info(struct mmc *mmc, void *addr)
{
int ret = 0, dev = EMMC_DTB_DEV;
u64 blk, cnt, dtb_glb_offset;
struct aml_dtb_rsv * dtb = (struct aml_dtb_rsv *) addr;
struct aml_dtb_info *info = &dtb_infos;
int cpy = 1, valid = 0;
struct partitions * part = NULL;
struct virtual_partition *vpart = NULL;
vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME);
part = aml_get_partition_by_name(MMC_RESERVED_NAME);
dtb_glb_offset = part->offset + vpart->offset;
while (cpy >= 0) {
blk = (dtb_glb_offset + cpy * (vpart->size)) / mmc->read_bl_len;
cnt = vpart->size / mmc->read_bl_len;
ret = _dtb_read(mmc, blk, cnt, addr);
if (ret) {
dtb_err("%s: dev # %d, block # %#llx, cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
} else {
ret = _verify_dtb_checksum(dtb);
/* check magic avoid whole 0 issue */
if (!ret && (dtb->magic != 0)) {
info->stamp[cpy] = dtb->timestamp;
info->valid[cpy] = 1;
}
else
dtb_wrn("cpy %d is not valid\n", cpy);
}
valid += info->valid[cpy];
cpy --;
}
return valid;
}
static int update_invalid_dtb(struct mmc *mmc, void *addr)
{
int ret = 0, dev = EMMC_DTB_DEV;
u64 blk, cnt, dtb_glb_offset;
struct aml_dtb_rsv * dtb = (struct aml_dtb_rsv *) addr;
struct aml_dtb_info *info = &dtb_infos;
struct partitions * part = NULL;
struct virtual_partition *vpart = NULL;
vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME);
part = aml_get_partition_by_name(MMC_RESERVED_NAME);
dtb_glb_offset = part->offset + vpart->offset;
cnt = vpart->size / mmc->read_bl_len;
if (info->valid[1]) {
blk = (dtb_glb_offset + vpart->size) / mmc->read_bl_len;
if (_dtb_read(mmc, blk, cnt, addr)) {
dtb_err("%s: dev # %d, block # %#llx,cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
ret = -2;
}
/* fixme, update the invalid one - dtb1 */
blk = (dtb_glb_offset) / mmc->read_bl_len;
if (_dtb_write(mmc, blk, cnt, addr)) {
dtb_err("%s: dev # %d, block # %#llx,cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
ret = -2;
}
info->valid[0] = 1;
info->stamp[0] = dtb->timestamp;
} else {
dtb_info("update dtb2");
blk = (dtb_glb_offset + vpart->size) / mmc->read_bl_len;
if (_dtb_write(mmc, blk, cnt, addr)) {
dtb_err("%s: dev # %d, block # %#llx,cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
ret = -2;
}
info->valid[1] = 1;
info->stamp[1] = dtb->timestamp;
}
return ret;
}
int update_old_dtb(struct mmc *mmc, void *addr)
{
int ret = 0, dev = EMMC_DTB_DEV;
u64 blk, cnt, dtb_glb_offset;
struct aml_dtb_rsv * dtb = (struct aml_dtb_rsv *) addr;
struct aml_dtb_info *info = &dtb_infos;
struct partitions * part = NULL;
struct virtual_partition *vpart = NULL;
vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME);
part = aml_get_partition_by_name(MMC_RESERVED_NAME);
dtb_glb_offset = part->offset + vpart->offset;
cnt = vpart->size / mmc->read_bl_len;
if (stamp_after(info->stamp[1], info->stamp[0])) {
blk = (dtb_glb_offset + vpart->size) / mmc->read_bl_len;
if (_dtb_read(mmc, blk, cnt, addr)) {
dtb_err("%s: dev # %d, block # %#llx,cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
ret = -3;
}
/*update dtb1*/
blk = dtb_glb_offset / mmc->read_bl_len;
if (_dtb_write(mmc, blk, cnt, addr)) {
dtb_err("%s: dev # %d, block # %#llx,cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
ret = -3;
}
info->stamp[0] = dtb->timestamp;
} else if (stamp_after(info->stamp[0], info->stamp[1])) {
/*update dtb2*/
blk = (dtb_glb_offset + vpart->size) / mmc->read_bl_len;
if (_dtb_write(mmc, blk, cnt, addr)) {
dtb_err("%s: dev # %d, block # %#llx,cnt # %#llx ERROR!\n",
__func__, dev, blk, cnt);
ret = -3;
}
info->stamp[1] = dtb->timestamp;
} else {
dtb_info("do nothing\n");
}
return ret;
}
int dtb_read(void *addr)
{
int ret = 0;
int valid = 0;
struct mmc *mmc;
mmc = _dtb_init();
if (mmc == NULL)
return -10;
if (dtb_read_shortcut(mmc, addr) == 0)
return ret;
valid = update_dtb_info(mmc, addr);
dtb_info("total valid %d\n", valid);
/* check valid */
switch (valid) {
/* none is valid, using the 1st one for compatibility*/
case 0:
ret = -1;
goto _out;
break;
/* only 1 is valid, using the valid one */
case 1:
update_invalid_dtb(mmc, addr);
break;
/* both are valid, pickup new one. */
case 2:
update_old_dtb(mmc, addr);
break;
default:
dtb_err("impossible valid values.\n");
BUG();
break;
}
_out:
return ret;
}
int dtb_write(void *addr)
{
int ret = 0;
struct aml_dtb_rsv * dtb = (struct aml_dtb_rsv *) addr;
struct aml_dtb_info *info = &dtb_infos;
u64 blk, cnt, dtb_glb_offset;
int cpy, valid;
struct mmc * mmc;
struct partitions * part = NULL;
struct virtual_partition *vpart = NULL;
vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME);
part = aml_get_partition_by_name(MMC_RESERVED_NAME);
dtb_glb_offset = part->offset + vpart->offset;
mmc = _dtb_init();
if (NULL == mmc)
return -10;
/* stamp */
valid = info->valid[0] + info->valid[1];
dtb_info("valid %d\n", valid);
if (0 == valid)
dtb->timestamp = 0;
else if (1 == valid) {
dtb->timestamp = 1 + info->stamp[info->valid[0]?0:1];
} else {
/* both are valid */
if (info->stamp[0] != info->stamp[1]) {
dtb_wrn("timestamp are not same %d:%d\n",
info->stamp[0], info->stamp[1]);
dtb->timestamp = 1 + (stamp_after(info->stamp[1], info->stamp[0])?
info->stamp[1]:info->stamp[0]);
} else
dtb->timestamp = 1 + info->stamp[0];
}
/*setting version and magic*/
dtb->version = 1; /* base version */
dtb->magic = 0x00447e41; /*A~D\0*/
dtb->checksum = _calc_dtb_checksum(dtb);
dtb_info("new stamp %d, checksum 0x%x, version %d, magic %s\n",
dtb->timestamp, dtb->checksum, dtb->version, (char *)&dtb->magic);
for (cpy = 0; cpy < DTB_COPIES; cpy++) {
blk = (dtb_glb_offset + cpy * (vpart->size)) / mmc->read_bl_len;
cnt = vpart->size / mmc->read_bl_len;
ret |= _dtb_write(mmc, blk, cnt, addr);
info->valid[cpy] = 1;
info->stamp[cpy] = dtb->timestamp;
}
return ret;
}
extern int check_valid_dts(unsigned char *buffer);
int renew_partition_tbl(unsigned char *buffer)
{
int ret = 0;
unsigned char *temp = NULL;
if (!buffer)
return 1;
temp = malloc (AML_DTB_IMG_MAX_SZ);
if (!temp)
return 1;
memcpy(temp, buffer, AML_DTB_IMG_MAX_SZ);
/* todo, check new dts imcoming.... */
ret = check_valid_dts(temp);
free(temp);
/* todo, check new dts imcoming.... */
/* ret = check_valid_dts(buffer);*/
/* only the dts new is valid */
if (!ret) {
free_partitions();
ret = get_partition_from_dts(buffer);
if (ret) {
printf("Fail to get partition table from dts\n");
goto _out;
}
if (0 == mmc_device_init(_dtb_init())) {
printf("partition table success\n");
ret = 0;
goto _out;
}
printf("partition table error\n");
ret = 1;
}
_out:
return ret;
}
/* update partition table in reserved partition. */
__weak int emmc_update_ept(unsigned char *buffer)
{
int ret = 0;
#ifndef DTB_BIND_KERNEL
dtb_write(buffer);
#endif
ret = renew_partition_tbl(buffer);
return ret;
}
/* fixme, should use renew_partition_tbl here! */
__weak int emmc_update_mbr(unsigned char *buffer)
{
int ret = 0;
cpu_id_t cpu_id = get_cpu_id();
if (cpu_id.family_id < MESON_CPU_MAJOR_ID_GXL) {
ret = -1;
printf("MBR not support, try dtb\n");
goto _out;
}
#ifndef DTB_BIND_KERNEL
dtb_write(buffer);
#endif
ret = get_partition_from_dts(buffer);
if (ret) {
printf("Fail to get partition table from dts\n");
goto _out;
}
ret = mmc_device_init(_dtb_init());
printf("%s: update mbr %s\n", __func__, ret?"Fail":"Success");
_out:
return ret;
}
int emmc_erase_rsv(struct mmc *mmc, char *rsv_part)
{
u64 cnt = 0, n = 0, blk = 0;
struct partitions *part = NULL;
struct virtual_partition *vpart = NULL;
if (rsv_part == NULL)
return -1;
vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME);
part = aml_get_partition_by_name(MMC_RESERVED_NAME);
if (strcmp(rsv_part, "dtb") == 0) {
blk = (part->offset + vpart->offset) / mmc->read_bl_len;
cnt = (vpart->size * 2) / mmc->read_bl_len;
if (cnt != 0)
n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
printf("%s is erased %s\n", rsv_part, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
} else if (strcmp(rsv_part, "key") == 0) {
n = mmc_key_erase();
printf("%s is erased %s\n", rsv_part, (n == 0) ? "OK" : "ERROR");
return (n == 0) ? 0 : 1;
}
return 1;
}
int do_emmc_erase(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int dev;
u64 cnt = 0, n = 0, blk = 0;
//u64 size;
struct partitions *part = NULL;
struct virtual_partition *vpart = NULL;
struct mmc *mmc;
if (argc != 3)
return CMD_RET_USAGE;
vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME);
part = aml_get_partition_by_name(MMC_RESERVED_NAME);
if (strcmp(argv[2], "dtb") == 0) {
printf("start erase dtb......\n");
dev = EMMC_DTB_DEV;
mmc = find_mmc_device(dev);
if (!mmc) {
printf("not find mmc\n");
return 1;
}
blk = (part->offset + vpart->offset) / mmc->read_bl_len;
cnt = (vpart->size * 2) / mmc->read_bl_len;
if (cnt != 0)
n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt);
printf("dev # %d, %s, several blocks erased %s\n",
dev, (flag == 0) ? " ":(argv[2]),(n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
} else if (strcmp(argv[2], "key") == 0) {
printf("start erase key......\n");
dev = 1;
mmc = find_mmc_device(dev);
if (!mmc) {
printf("not find mmc\n");
return 1;
}
n = mmc_key_erase();
printf("dev # %d, %s, several blocks erased %s\n",
dev, (flag == 0) ? " ":(argv[2]),(n == 0) ? "OK" : "ERROR");
return (n == 0) ? 0 : 1;
}
return 1;
}
int do_emmc_dtb_read(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int ret = 0;
void *addr = NULL;
if (argc != 4)
return CMD_RET_USAGE;
addr = (void *)simple_strtoul(argv[2], NULL, 16);
ret = dtb_read(addr);
return ret;
}
int do_emmc_dtb_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int ret = 0;
void *addr = NULL;
if (argc != 4)
return CMD_RET_USAGE;
addr = (void *)simple_strtoul(argv[2], NULL, 16);
ret = dtb_write(addr);
ret |= renew_partition_tbl(addr);
return ret;
}
int do_emmc_key_read(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int ret = 0;
void *addr = NULL;
u64 size;
u32 actual_length = 0;
if (argc != 4)
return CMD_RET_USAGE;
addr = (void *)simple_strtoul(argv[2], NULL, 16);
size = simple_strtoull(argv[3], NULL, 16);
printf("enter emmc key read !!\n");
printf("addr:%p size:%llx\n",addr,size);
ret = mmc_key_read(addr, size, &actual_length);
printf("ret:%d\n",ret);
return ret;
}
int do_emmc_key_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
int ret = 0;
void *addr = NULL;
u64 size;
u32 actual_length = 0;
if (argc != 4)
return CMD_RET_USAGE;
addr = (void *)simple_strtoul(argv[2], NULL, 16);
size = simple_strtoull(argv[3], NULL, 16);
ret = mmc_key_write(addr, size, &actual_length);
return ret;
}
static cmd_tbl_t cmd_emmc[] = {
U_BOOT_CMD_MKENT(dtb_read, 4, 0, do_emmc_dtb_read, "", ""),
U_BOOT_CMD_MKENT(dtb_write, 4, 0, do_emmc_dtb_write, "", ""),
U_BOOT_CMD_MKENT(erase, 3, 0, do_emmc_erase, "", ""),
U_BOOT_CMD_MKENT(key_read, 4, 0, do_emmc_key_read, "", ""),
U_BOOT_CMD_MKENT(key_write, 4, 0, do_emmc_key_write, "", ""),
};
static int do_emmc_dtb_key(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *cp;
cp = find_cmd_tbl(argv[1], cmd_emmc, ARRAY_SIZE(cmd_emmc));
if (cp == NULL || argc > cp->maxargs)
return CMD_RET_USAGE;
if (flag == CMD_FLAG_REPEAT && !cp->cmd_rep)
return CMD_RET_SUCCESS;
return cp->cmd(cmdtp, flag, argc, argv);
}
U_BOOT_CMD(
emmc, 4, 1, do_emmc_dtb_key,
"EMMC sub system",
"dtb_read addr size\n"
"emmc dtb_write addr size\n"
"emmc erase dtb\n"
"emmc erase key\n"
"emmc fastboot_read addr size\n"
"emmc fastboot_write addr size\n"
"emmc key_read addr size\n"
"emmc key_write addr size\n"
);
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