upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
544 lines
14 KiB
544 lines
14 KiB
/*
|
|
* Copyright (c) 2016 Toradex, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include "tdx-cfg-block.h"
|
|
|
|
#if defined(CONFIG_TARGET_APALIS_IMX6) || defined(CONFIG_TARGET_COLIBRI_IMX6)
|
|
#include <asm/arch/sys_proto.h>
|
|
#else
|
|
#define is_cpu_type(cpu) (0)
|
|
#endif
|
|
#if defined(CONFIG_CPU_PXA27X)
|
|
#include <asm/arch-pxa/pxa.h>
|
|
#else
|
|
#define cpu_is_pxa27x(cpu) (0)
|
|
#endif
|
|
#include <cli.h>
|
|
#include <console.h>
|
|
#include <flash.h>
|
|
#include <malloc.h>
|
|
#include <mmc.h>
|
|
#include <nand.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#define TAG_VALID 0xcf01
|
|
#define TAG_MAC 0x0000
|
|
#define TAG_HW 0x0008
|
|
#define TAG_INVALID 0xffff
|
|
|
|
#define TAG_FLAG_VALID 0x1
|
|
|
|
#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
|
|
#define TDX_CFG_BLOCK_MAX_SIZE 512
|
|
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
|
|
#define TDX_CFG_BLOCK_MAX_SIZE 64
|
|
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
|
|
#define TDX_CFG_BLOCK_MAX_SIZE 64
|
|
#else
|
|
#error Toradex config block location not set
|
|
#endif
|
|
|
|
struct toradex_tag {
|
|
u32 len:14;
|
|
u32 flags:2;
|
|
u32 id:16;
|
|
};
|
|
|
|
bool valid_cfgblock;
|
|
struct toradex_hw tdx_hw_tag;
|
|
struct toradex_eth_addr tdx_eth_addr;
|
|
u32 tdx_serial;
|
|
|
|
const char * const toradex_modules[] = {
|
|
[0] = "UNKNOWN MODULE",
|
|
[1] = "Colibri PXA270 312MHz",
|
|
[2] = "Colibri PXA270 520MHz",
|
|
[3] = "Colibri PXA320 806MHz",
|
|
[4] = "Colibri PXA300 208MHz",
|
|
[5] = "Colibri PXA310 624MHz",
|
|
[6] = "Colibri PXA320 806MHz IT",
|
|
[7] = "Colibri PXA300 208MHz XT",
|
|
[8] = "Colibri PXA270 312MHz",
|
|
[9] = "Colibri PXA270 520MHz",
|
|
[10] = "Colibri VF50 128MB", /* not currently on sale */
|
|
[11] = "Colibri VF61 256MB",
|
|
[12] = "Colibri VF61 256MB IT",
|
|
[13] = "Colibri VF50 128MB IT",
|
|
[14] = "Colibri iMX6 Solo 256MB",
|
|
[15] = "Colibri iMX6 DualLite 512MB",
|
|
[16] = "Colibri iMX6 Solo 256MB IT",
|
|
[17] = "Colibri iMX6 DualLite 512MB IT",
|
|
[18] = "UNKNOWN MODULE",
|
|
[19] = "UNKNOWN MODULE",
|
|
[20] = "Colibri T20 256MB",
|
|
[21] = "Colibri T20 512MB",
|
|
[22] = "Colibri T20 512MB IT",
|
|
[23] = "Colibri T30 1GB",
|
|
[24] = "Colibri T20 256MB IT",
|
|
[25] = "Apalis T30 2GB",
|
|
[26] = "Apalis T30 1GB",
|
|
[27] = "Apalis iMX6 Quad 1GB",
|
|
[28] = "Apalis iMX6 Quad 2GB IT",
|
|
[29] = "Apalis iMX6 Dual 512MB",
|
|
[30] = "Colibri T30 1GB IT",
|
|
[31] = "Apalis T30 1GB IT",
|
|
[32] = "Colibri iMX7 Solo 256MB",
|
|
[33] = "Colibri iMX7 Dual 512MB",
|
|
[34] = "Apalis TK1 2GB",
|
|
[35] = "Apalis iMX6 Dual 1GB IT",
|
|
};
|
|
|
|
#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_MMC
|
|
static int tdx_cfg_block_mmc_storage(u8 *config_block, int write)
|
|
{
|
|
struct mmc *mmc;
|
|
int dev = CONFIG_TDX_CFG_BLOCK_DEV;
|
|
int offset = CONFIG_TDX_CFG_BLOCK_OFFSET;
|
|
uint part = CONFIG_TDX_CFG_BLOCK_PART;
|
|
uint blk_start;
|
|
int ret = 0;
|
|
|
|
/* Read production parameter config block from eMMC */
|
|
mmc = find_mmc_device(dev);
|
|
if (!mmc) {
|
|
puts("No MMC card found\n");
|
|
ret = -ENODEV;
|
|
goto out;
|
|
}
|
|
if (part != mmc->block_dev.hwpart) {
|
|
if (blk_select_hwpart_devnum(IF_TYPE_MMC, dev, part)) {
|
|
puts("MMC partition switch failed\n");
|
|
ret = -ENODEV;
|
|
goto out;
|
|
}
|
|
}
|
|
if (offset < 0)
|
|
offset += mmc->capacity;
|
|
blk_start = ALIGN(offset, mmc->write_bl_len) / mmc->write_bl_len;
|
|
|
|
if (!write) {
|
|
/* Careful reads a whole block of 512 bytes into config_block */
|
|
if (blk_dread(mmc_get_blk_desc(mmc), blk_start, 1,
|
|
(unsigned char *)config_block) != 1) {
|
|
ret = -EIO;
|
|
goto out;
|
|
}
|
|
/* Flush cache after read */
|
|
flush_cache((ulong)(unsigned char *)config_block, 512);
|
|
} else {
|
|
/* Just writing one 512 byte block */
|
|
if (blk_dwrite(mmc_get_blk_desc(mmc), blk_start, 1,
|
|
(unsigned char *)config_block) != 1) {
|
|
ret = -EIO;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
out:
|
|
/* Switch back to regular eMMC user partition */
|
|
blk_select_hwpart_devnum(IF_TYPE_MMC, 0, 0);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NAND
|
|
static int read_tdx_cfg_block_from_nand(unsigned char *config_block)
|
|
{
|
|
size_t size = TDX_CFG_BLOCK_MAX_SIZE;
|
|
|
|
/* Read production parameter config block from NAND page */
|
|
return nand_read_skip_bad(nand_info[0], CONFIG_TDX_CFG_BLOCK_OFFSET,
|
|
&size, NULL, TDX_CFG_BLOCK_MAX_SIZE, config_block);
|
|
}
|
|
|
|
static int write_tdx_cfg_block_to_nand(unsigned char *config_block)
|
|
{
|
|
size_t size = TDX_CFG_BLOCK_MAX_SIZE;
|
|
|
|
/* Write production parameter config block to NAND page */
|
|
return nand_write_skip_bad(nand_info[0], CONFIG_TDX_CFG_BLOCK_OFFSET,
|
|
&size, NULL, TDX_CFG_BLOCK_MAX_SIZE,
|
|
config_block, WITH_WR_VERIFY);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_TDX_CFG_BLOCK_IS_IN_NOR
|
|
static int read_tdx_cfg_block_from_nor(unsigned char *config_block)
|
|
{
|
|
/* Read production parameter config block from NOR flash */
|
|
memcpy(config_block, (void *)CONFIG_TDX_CFG_BLOCK_OFFSET,
|
|
TDX_CFG_BLOCK_MAX_SIZE);
|
|
return 0;
|
|
}
|
|
|
|
static int write_tdx_cfg_block_to_nor(unsigned char *config_block)
|
|
{
|
|
/* Write production parameter config block to NOR flash */
|
|
return flash_write((void *)config_block, CONFIG_TDX_CFG_BLOCK_OFFSET,
|
|
TDX_CFG_BLOCK_MAX_SIZE);
|
|
}
|
|
#endif
|
|
|
|
int read_tdx_cfg_block(void)
|
|
{
|
|
int ret = 0;
|
|
u8 *config_block = NULL;
|
|
struct toradex_tag *tag;
|
|
size_t size = TDX_CFG_BLOCK_MAX_SIZE;
|
|
int offset;
|
|
|
|
/* Allocate RAM area for config block */
|
|
config_block = memalign(ARCH_DMA_MINALIGN, size);
|
|
if (!config_block) {
|
|
printf("Not enough malloc space available!\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
memset(config_block, 0, size);
|
|
|
|
#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
|
|
ret = tdx_cfg_block_mmc_storage(config_block, 0);
|
|
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
|
|
ret = read_tdx_cfg_block_from_nand(config_block);
|
|
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
|
|
ret = read_tdx_cfg_block_from_nor(config_block);
|
|
#else
|
|
ret = -EINVAL;
|
|
#endif
|
|
if (ret)
|
|
goto out;
|
|
|
|
/* Expect a valid tag first */
|
|
tag = (struct toradex_tag *)config_block;
|
|
if (tag->flags != TAG_FLAG_VALID || tag->id != TAG_VALID) {
|
|
valid_cfgblock = false;
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
valid_cfgblock = true;
|
|
offset = 4;
|
|
|
|
while (offset < TDX_CFG_BLOCK_MAX_SIZE) {
|
|
tag = (struct toradex_tag *)(config_block + offset);
|
|
offset += 4;
|
|
if (tag->id == TAG_INVALID)
|
|
break;
|
|
|
|
if (tag->flags == TAG_FLAG_VALID) {
|
|
switch (tag->id) {
|
|
case TAG_MAC:
|
|
memcpy(&tdx_eth_addr, config_block + offset,
|
|
6);
|
|
|
|
/* NIC part of MAC address is serial number */
|
|
tdx_serial = ntohl(tdx_eth_addr.nic) >> 8;
|
|
break;
|
|
case TAG_HW:
|
|
memcpy(&tdx_hw_tag, config_block + offset, 8);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Get to next tag according to current tags length */
|
|
offset += tag->len * 4;
|
|
}
|
|
|
|
/* Cap product id to avoid issues with a yet unknown one */
|
|
if (tdx_hw_tag.prodid > (sizeof(toradex_modules) /
|
|
sizeof(toradex_modules[0])))
|
|
tdx_hw_tag.prodid = 0;
|
|
|
|
out:
|
|
free(config_block);
|
|
return ret;
|
|
}
|
|
|
|
static int get_cfgblock_interactive(void)
|
|
{
|
|
char message[CONFIG_SYS_CBSIZE];
|
|
char *soc;
|
|
char it = 'n';
|
|
int len;
|
|
|
|
if (cpu_is_pxa27x())
|
|
sprintf(message, "Is the module the 312 MHz version? [y/N] ");
|
|
else
|
|
sprintf(message, "Is the module an IT version? [y/N] ");
|
|
|
|
len = cli_readline(message);
|
|
it = console_buffer[0];
|
|
|
|
soc = getenv("soc");
|
|
if (!strcmp("mx6", soc)) {
|
|
#ifdef CONFIG_MACH_TYPE
|
|
if (it == 'y' || it == 'Y')
|
|
if (is_cpu_type(MXC_CPU_MX6Q))
|
|
tdx_hw_tag.prodid = APALIS_IMX6Q_IT;
|
|
else
|
|
tdx_hw_tag.prodid = APALIS_IMX6D_IT;
|
|
else
|
|
if (is_cpu_type(MXC_CPU_MX6Q))
|
|
tdx_hw_tag.prodid = APALIS_IMX6Q;
|
|
else
|
|
tdx_hw_tag.prodid = APALIS_IMX6D;
|
|
#else
|
|
if (it == 'y' || it == 'Y')
|
|
if (is_cpu_type(MXC_CPU_MX6DL))
|
|
tdx_hw_tag.prodid = COLIBRI_IMX6DL_IT;
|
|
else
|
|
tdx_hw_tag.prodid = COLIBRI_IMX6S_IT;
|
|
else
|
|
if (is_cpu_type(MXC_CPU_MX6DL))
|
|
tdx_hw_tag.prodid = COLIBRI_IMX6DL;
|
|
else
|
|
tdx_hw_tag.prodid = COLIBRI_IMX6S;
|
|
#endif /* CONFIG_MACH_TYPE */
|
|
} else if (!strcmp("imx7d", soc)) {
|
|
tdx_hw_tag.prodid = COLIBRI_IMX7D;
|
|
} else if (!strcmp("imx7s", soc)) {
|
|
tdx_hw_tag.prodid = COLIBRI_IMX7S;
|
|
} else if (!strcmp("tegra20", soc)) {
|
|
if (it == 'y' || it == 'Y')
|
|
if (gd->ram_size == 0x10000000)
|
|
tdx_hw_tag.prodid = COLIBRI_T20_256MB_IT;
|
|
else
|
|
tdx_hw_tag.prodid = COLIBRI_T20_512MB_IT;
|
|
else
|
|
if (gd->ram_size == 0x10000000)
|
|
tdx_hw_tag.prodid = COLIBRI_T20_256MB;
|
|
else
|
|
tdx_hw_tag.prodid = COLIBRI_T20_512MB;
|
|
} else if (cpu_is_pxa27x()) {
|
|
if (it == 'y' || it == 'Y')
|
|
tdx_hw_tag.prodid = COLIBRI_PXA270_312MHZ;
|
|
else
|
|
tdx_hw_tag.prodid = COLIBRI_PXA270_520MHZ;
|
|
#ifdef CONFIG_MACH_TYPE
|
|
} else if (!strcmp("tegra30", soc)) {
|
|
if (CONFIG_MACH_TYPE == MACH_TYPE_APALIS_T30) {
|
|
if (it == 'y' || it == 'Y')
|
|
tdx_hw_tag.prodid = APALIS_T30_IT;
|
|
else
|
|
if (gd->ram_size == 0x40000000)
|
|
tdx_hw_tag.prodid = APALIS_T30_1GB;
|
|
else
|
|
tdx_hw_tag.prodid = APALIS_T30_2GB;
|
|
} else {
|
|
if (it == 'y' || it == 'Y')
|
|
tdx_hw_tag.prodid = COLIBRI_T30_IT;
|
|
else
|
|
tdx_hw_tag.prodid = COLIBRI_T30;
|
|
}
|
|
#endif /* CONFIG_MACH_TYPE */
|
|
} else if (!strcmp("tegra124", soc)) {
|
|
tdx_hw_tag.prodid = APALIS_TK1_2GB;
|
|
} else if (!strcmp("vf500", soc)) {
|
|
if (it == 'y' || it == 'Y')
|
|
tdx_hw_tag.prodid = COLIBRI_VF50_IT;
|
|
else
|
|
tdx_hw_tag.prodid = COLIBRI_VF50;
|
|
} else if (!strcmp("vf610", soc)) {
|
|
if (it == 'y' || it == 'Y')
|
|
tdx_hw_tag.prodid = COLIBRI_VF61_IT;
|
|
else
|
|
tdx_hw_tag.prodid = COLIBRI_VF61;
|
|
} else {
|
|
printf("Module type not detectable due to unknown SoC\n");
|
|
return -1;
|
|
}
|
|
|
|
while (len < 4) {
|
|
sprintf(message, "Enter the module version (e.g. V1.1B): V");
|
|
len = cli_readline(message);
|
|
}
|
|
|
|
tdx_hw_tag.ver_major = console_buffer[0] - '0';
|
|
tdx_hw_tag.ver_minor = console_buffer[2] - '0';
|
|
tdx_hw_tag.ver_assembly = console_buffer[3] - 'A';
|
|
|
|
if (cpu_is_pxa27x() && (tdx_hw_tag.ver_major == 1))
|
|
tdx_hw_tag.prodid -= (COLIBRI_PXA270_312MHZ -
|
|
COLIBRI_PXA270_V1_312MHZ);
|
|
|
|
while (len < 8) {
|
|
sprintf(message, "Enter module serial number: ");
|
|
len = cli_readline(message);
|
|
}
|
|
|
|
tdx_serial = simple_strtoul(console_buffer, NULL, 10);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_cfgblock_barcode(char *barcode)
|
|
{
|
|
if (strlen(barcode) < 16) {
|
|
printf("Argument too short, barcode is 16 chars long\n");
|
|
return -1;
|
|
}
|
|
|
|
/* Get hardware information from the first 8 digits */
|
|
tdx_hw_tag.ver_major = barcode[4] - '0';
|
|
tdx_hw_tag.ver_minor = barcode[5] - '0';
|
|
tdx_hw_tag.ver_assembly = barcode[7] - '0';
|
|
|
|
barcode[4] = '\0';
|
|
tdx_hw_tag.prodid = simple_strtoul(barcode, NULL, 10);
|
|
|
|
/* Parse second part of the barcode (serial number */
|
|
barcode += 8;
|
|
tdx_serial = simple_strtoul(barcode, NULL, 10);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_cfgblock_create(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
u8 *config_block;
|
|
struct toradex_tag *tag;
|
|
size_t size = TDX_CFG_BLOCK_MAX_SIZE;
|
|
int offset = 0;
|
|
int ret = CMD_RET_SUCCESS;
|
|
int err;
|
|
|
|
/* Allocate RAM area for config block */
|
|
config_block = memalign(ARCH_DMA_MINALIGN, size);
|
|
if (!config_block) {
|
|
printf("Not enough malloc space available!\n");
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
memset(config_block, 0xff, size);
|
|
|
|
read_tdx_cfg_block();
|
|
if (valid_cfgblock) {
|
|
#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
|
|
/*
|
|
* On NAND devices, recreation is only allowed if the page is
|
|
* empty (config block invalid...)
|
|
*/
|
|
printf("NAND erase block %d need to be erased before creating a Toradex config block\n",
|
|
CONFIG_TDX_CFG_BLOCK_OFFSET / nand_info[0]->erasesize);
|
|
goto out;
|
|
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
|
|
/*
|
|
* On NOR devices, recreation is only allowed if the sector is
|
|
* empty and write protection is off (config block invalid...)
|
|
*/
|
|
printf("NOR sector at offset 0x%02x need to be erased and unprotected before creating a Toradex config block\n",
|
|
CONFIG_TDX_CFG_BLOCK_OFFSET);
|
|
goto out;
|
|
#else
|
|
char message[CONFIG_SYS_CBSIZE];
|
|
sprintf(message,
|
|
"A valid Toradex config block is present, still recreate? [y/N] ");
|
|
|
|
if (!cli_readline(message))
|
|
goto out;
|
|
|
|
if (console_buffer[0] != 'y' && console_buffer[0] != 'Y')
|
|
goto out;
|
|
#endif
|
|
}
|
|
|
|
/* Parse new Toradex config block data... */
|
|
if (argc < 3)
|
|
err = get_cfgblock_interactive();
|
|
else
|
|
err = get_cfgblock_barcode(argv[2]);
|
|
|
|
if (err) {
|
|
ret = CMD_RET_FAILURE;
|
|
goto out;
|
|
}
|
|
|
|
/* Convert serial number to MAC address (the storage format) */
|
|
tdx_eth_addr.oui = htonl(0x00142dUL << 8);
|
|
tdx_eth_addr.nic = htonl(tdx_serial << 8);
|
|
|
|
/* Valid Tag */
|
|
tag = (struct toradex_tag *)config_block;
|
|
tag->id = TAG_VALID;
|
|
tag->flags = TAG_FLAG_VALID;
|
|
tag->len = 0;
|
|
offset += 4;
|
|
|
|
/* Product Tag */
|
|
tag = (struct toradex_tag *)(config_block + offset);
|
|
tag->id = TAG_HW;
|
|
tag->flags = TAG_FLAG_VALID;
|
|
tag->len = 2;
|
|
offset += 4;
|
|
|
|
memcpy(config_block + offset, &tdx_hw_tag, 8);
|
|
offset += 8;
|
|
|
|
/* MAC Tag */
|
|
tag = (struct toradex_tag *)(config_block + offset);
|
|
tag->id = TAG_MAC;
|
|
tag->flags = TAG_FLAG_VALID;
|
|
tag->len = 2;
|
|
offset += 4;
|
|
|
|
memcpy(config_block + offset, &tdx_eth_addr, 6);
|
|
offset += 6;
|
|
memset(config_block + offset, 0, 32 - offset);
|
|
|
|
#if defined(CONFIG_TDX_CFG_BLOCK_IS_IN_MMC)
|
|
err = tdx_cfg_block_mmc_storage(config_block, 1);
|
|
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NAND)
|
|
err = write_tdx_cfg_block_to_nand(config_block);
|
|
#elif defined(CONFIG_TDX_CFG_BLOCK_IS_IN_NOR)
|
|
err = write_tdx_cfg_block_to_nor(config_block);
|
|
#else
|
|
err = -EINVAL;
|
|
#endif
|
|
if (err) {
|
|
printf("Failed to write Toradex config block: %d\n", ret);
|
|
ret = CMD_RET_FAILURE;
|
|
goto out;
|
|
}
|
|
|
|
printf("Toradex config block successfully written\n");
|
|
|
|
out:
|
|
free(config_block);
|
|
return ret;
|
|
}
|
|
|
|
static int do_cfgblock(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
int ret;
|
|
|
|
if (argc < 2)
|
|
return CMD_RET_USAGE;
|
|
|
|
if (!strcmp(argv[1], "create")) {
|
|
return do_cfgblock_create(cmdtp, flag, argc, argv);
|
|
} else if (!strcmp(argv[1], "reload")) {
|
|
ret = read_tdx_cfg_block();
|
|
if (ret) {
|
|
printf("Failed to reload Toradex config block: %d\n",
|
|
ret);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
return CMD_RET_SUCCESS;
|
|
}
|
|
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
cfgblock, 3, 0, do_cfgblock,
|
|
"Toradex config block handling commands",
|
|
"create [barcode] - (Re-)create Toradex config block\n"
|
|
"cfgblock reload - Reload Toradex config block from flash"
|
|
);
|
|
|