blob: 31a11110f44070205604f6ccdf692cb9eb799d15 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2019 Rockchip Electronics Co., Ltd.
*
* Copyright (C) 2019 Collabora Inc - https://www.collabora.com/
* Rohan Garg <rohan.garg@collabora.com>
*
* Based on puma-rk3399.c:
* (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
*/
#include <common.h>
#include <clk.h>
#include <cpu_func.h>
#include <env.h>
#include <dm.h>
#include <efi_loader.h>
#include <fastboot.h>
#include <hash.h>
#include <init.h>
#include <log.h>
#include <mmc.h>
#include <dm/uclass-internal.h>
#include <misc.h>
#include <part.h>
#include <ram.h>
#include <syscon.h>
#include <uuid.h>
#include <u-boot/crc.h>
#include <u-boot/sha256.h>
#include <asm/cache.h>
#include <asm/io.h>
#include <asm/arch-rockchip/boot_mode.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/periph.h>
#include <power/regulator.h>
#if defined(CONFIG_EFI_HAVE_CAPSULE_SUPPORT) && defined(CONFIG_EFI_PARTITION)
#define DFU_ALT_BUF_LEN SZ_1K
static struct efi_fw_image *fw_images;
static bool updatable_image(struct disk_partition *info)
{
int i;
bool ret = false;
efi_guid_t image_type_guid;
uuid_str_to_bin(info->type_guid, image_type_guid.b,
UUID_STR_FORMAT_GUID);
for (i = 0; i < update_info.num_images; i++) {
if (!guidcmp(&fw_images[i].image_type_id, &image_type_guid)) {
ret = true;
break;
}
}
return ret;
}
static void set_image_index(struct disk_partition *info, int index)
{
int i;
efi_guid_t image_type_guid;
uuid_str_to_bin(info->type_guid, image_type_guid.b,
UUID_STR_FORMAT_GUID);
for (i = 0; i < update_info.num_images; i++) {
if (!guidcmp(&fw_images[i].image_type_id, &image_type_guid)) {
fw_images[i].image_index = index;
break;
}
}
}
static int get_mmc_desc(struct blk_desc **desc)
{
int ret;
struct mmc *mmc;
struct udevice *dev;
/*
* For now the firmware images are assumed to
* be on the SD card
*/
ret = uclass_get_device(UCLASS_MMC, 1, &dev);
if (ret)
return -1;
mmc = mmc_get_mmc_dev(dev);
if (!mmc)
return -ENODEV;
if ((ret = mmc_init(mmc)))
return ret;
*desc = mmc_get_blk_desc(mmc);
if (!*desc)
return -1;
return 0;
}
void set_dfu_alt_info(char *interface, char *devstr)
{
const char *name;
bool first = true;
int p, len, devnum, ret;
char buf[DFU_ALT_BUF_LEN];
struct disk_partition info;
struct blk_desc *desc = NULL;
ret = get_mmc_desc(&desc);
if (ret) {
log_err("Unable to get mmc desc\n");
return;
}
memset(buf, 0, sizeof(buf));
name = blk_get_uclass_name(desc->uclass_id);
devnum = desc->devnum;
len = strlen(buf);
len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
"%s %d=", name, devnum);
for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
if (part_get_info(desc, p, &info))
continue;
/* Add entry to dfu_alt_info only for updatable images */
if (updatable_image(&info)) {
if (!first)
len += snprintf(buf + len,
DFU_ALT_BUF_LEN - len, ";");
len += snprintf(buf + len, DFU_ALT_BUF_LEN - len,
"%s%d_%s part %d %d",
name, devnum, info.name, devnum, p);
first = false;
}
}
log_debug("dfu_alt_info => %s\n", buf);
env_set("dfu_alt_info", buf);
}
__weak void rockchip_capsule_update_board_setup(void)
{
}
static void gpt_capsule_update_setup(void)
{
int p, i, ret;
struct disk_partition info;
struct blk_desc *desc = NULL;
fw_images = update_info.images;
rockchip_capsule_update_board_setup();
ret = get_mmc_desc(&desc);
if (ret) {
log_err("Unable to get mmc desc\n");
return;
}
for (p = 1, i = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
if (part_get_info(desc, p, &info))
continue;
/*
* Since we have a GPT partitioned device, the updatable
* images could be stored in any order. Populate the
* image_index at runtime.
*/
if (updatable_image(&info)) {
set_image_index(&info, i);
i++;
}
}
}
#endif /* CONFIG_EFI_HAVE_CAPSULE_SUPPORT && CONFIG_EFI_PARTITION */
__weak int rk_board_late_init(void)
{
#if defined(CONFIG_EFI_HAVE_CAPSULE_SUPPORT) && defined(CONFIG_EFI_PARTITION)
gpt_capsule_update_setup();
#endif
return 0;
}
int board_late_init(void)
{
setup_boot_mode();
return rk_board_late_init();
}
int board_init(void)
{
int ret;
#ifdef CONFIG_DM_REGULATOR
ret = regulators_enable_boot_on(false);
if (ret)
debug("%s: Cannot enable boot on regulator\n", __func__);
#endif
return 0;
}
#if !defined(CONFIG_SYS_DCACHE_OFF) && !defined(CONFIG_ARM64)
void enable_caches(void)
{
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
}
#endif
#if IS_ENABLED(CONFIG_USB_GADGET)
#include <usb.h>
#if IS_ENABLED(CONFIG_USB_GADGET_DOWNLOAD)
#define ROCKCHIP_G_DNL_UMS_PRODUCT_NUM 0x0010
int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
{
if (!strcmp(name, "usb_dnl_ums"))
put_unaligned(ROCKCHIP_G_DNL_UMS_PRODUCT_NUM, &dev->idProduct);
else
put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
return 0;
}
#endif /* CONFIG_USB_GADGET_DOWNLOAD */
#if IS_ENABLED(CONFIG_USB_GADGET_DWC2_OTG) && !IS_ENABLED(CONFIG_DM_USB_GADGET)
#include <linux/usb/otg.h>
#include <usb/dwc2_udc.h>
static struct dwc2_plat_otg_data otg_data = {
.rx_fifo_sz = 512,
.np_tx_fifo_sz = 16,
.tx_fifo_sz = 128,
};
int board_usb_init(int index, enum usb_init_type init)
{
ofnode node;
bool matched = false;
/* find the usb_otg node */
node = ofnode_by_compatible(ofnode_null(), "snps,dwc2");
while (ofnode_valid(node)) {
switch (usb_get_dr_mode(node)) {
case USB_DR_MODE_OTG:
case USB_DR_MODE_PERIPHERAL:
matched = true;
break;
default:
break;
}
if (matched)
break;
node = ofnode_by_compatible(node, "snps,dwc2");
}
if (!matched) {
debug("Not found usb_otg device\n");
return -ENODEV;
}
otg_data.regs_otg = ofnode_get_addr(node);
#ifdef CONFIG_ROCKCHIP_USB2_PHY
int ret;
u32 phandle, offset;
ofnode phy_node;
ret = ofnode_read_u32(node, "phys", &phandle);
if (ret)
return ret;
node = ofnode_get_by_phandle(phandle);
if (!ofnode_valid(node)) {
debug("Not found usb phy device\n");
return -ENODEV;
}
phy_node = ofnode_get_parent(node);
if (!ofnode_valid(node)) {
debug("Not found usb phy device\n");
return -ENODEV;
}
otg_data.phy_of_node = phy_node;
ret = ofnode_read_u32(node, "reg", &offset);
if (ret)
return ret;
otg_data.regs_phy = offset +
(u32)syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
#endif
return dwc2_udc_probe(&otg_data);
}
int board_usb_cleanup(int index, enum usb_init_type init)
{
return 0;
}
#endif /* CONFIG_USB_GADGET_DWC2_OTG */
#endif /* CONFIG_USB_GADGET */
#if IS_ENABLED(CONFIG_FASTBOOT)
int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
{
if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
return -ENOTSUPP;
printf("Setting reboot to fastboot flag ...\n");
/* Set boot mode to fastboot */
writel(BOOT_FASTBOOT, CONFIG_ROCKCHIP_BOOT_MODE_REG);
return 0;
}
#endif
#ifdef CONFIG_MISC_INIT_R
int rockchip_setup_macaddr(void)
{
#if CONFIG_IS_ENABLED(HASH) && CONFIG_IS_ENABLED(SHA256)
int ret;
const char *cpuid = env_get("cpuid#");
u8 hash[SHA256_SUM_LEN];
int size = sizeof(hash);
u8 mac_addr[6];
/* Only generate a MAC address, if none is set in the environment */
if (env_get("ethaddr"))
return 0;
if (!cpuid) {
debug("%s: could not retrieve 'cpuid#'\n", __func__);
return -1;
}
ret = hash_block("sha256", (void *)cpuid, strlen(cpuid), hash, &size);
if (ret) {
debug("%s: failed to calculate SHA256\n", __func__);
return -1;
}
/* Copy 6 bytes of the hash to base the MAC address on */
memcpy(mac_addr, hash, 6);
/* Make this a valid MAC address and set it */
mac_addr[0] &= 0xfe; /* clear multicast bit */
mac_addr[0] |= 0x02; /* set local assignment bit (IEEE802) */
eth_env_set_enetaddr("ethaddr", mac_addr);
/* Make a valid MAC address for ethernet1 */
mac_addr[5] ^= 0x01;
eth_env_set_enetaddr("eth1addr", mac_addr);
#endif
return 0;
}
int rockchip_cpuid_from_efuse(const u32 cpuid_offset,
const u32 cpuid_length,
u8 *cpuid)
{
#if IS_ENABLED(CONFIG_ROCKCHIP_EFUSE) || IS_ENABLED(CONFIG_ROCKCHIP_OTP)
struct udevice *dev;
int ret;
/* retrieve the device */
#if IS_ENABLED(CONFIG_ROCKCHIP_EFUSE)
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_DRIVER_GET(rockchip_efuse), &dev);
#elif IS_ENABLED(CONFIG_ROCKCHIP_OTP)
ret = uclass_get_device_by_driver(UCLASS_MISC,
DM_DRIVER_GET(rockchip_otp), &dev);
#endif
if (ret) {
debug("%s: could not find efuse device\n", __func__);
return -1;
}
/* read the cpu_id range from the efuses */
ret = misc_read(dev, cpuid_offset, cpuid, cpuid_length);
if (ret < 0) {
debug("%s: reading cpuid from the efuses failed\n",
__func__);
return -1;
}
#endif
return 0;
}
int rockchip_cpuid_set(const u8 *cpuid, const u32 cpuid_length)
{
u8 low[cpuid_length / 2], high[cpuid_length / 2];
char cpuid_str[cpuid_length * 2 + 1];
u64 serialno;
char serialno_str[17];
const char *oldid;
int i;
memset(cpuid_str, 0, sizeof(cpuid_str));
for (i = 0; i < cpuid_length; i++)
sprintf(&cpuid_str[i * 2], "%02x", cpuid[i]);
debug("cpuid: %s\n", cpuid_str);
/*
* Mix the cpuid bytes using the same rules as in
* ${linux}/drivers/soc/rockchip/rockchip-cpuinfo.c
*/
for (i = 0; i < cpuid_length / 2; i++) {
low[i] = cpuid[1 + (i << 1)];
high[i] = cpuid[i << 1];
}
serialno = crc32_no_comp(0, low, cpuid_length / 2);
serialno |= (u64)crc32_no_comp(serialno, high, cpuid_length / 2) << 32;
snprintf(serialno_str, sizeof(serialno_str), "%016llx", serialno);
oldid = env_get("cpuid#");
if (oldid && strcmp(oldid, cpuid_str) != 0)
printf("cpuid: value %s present in env does not match hardware %s\n",
oldid, cpuid_str);
env_set("cpuid#", cpuid_str);
/* Only generate serial# when none is set yet */
if (!env_get("serial#"))
env_set("serial#", serialno_str);
return 0;
}
__weak int rockchip_early_misc_init_r(void)
{
return 0;
}
__weak int misc_init_r(void)
{
const u32 cpuid_offset = CFG_CPUID_OFFSET;
const u32 cpuid_length = 0x10;
u8 cpuid[cpuid_length];
int ret;
ret = rockchip_early_misc_init_r();
if (ret)
return ret;
ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
if (ret)
return ret;
ret = rockchip_cpuid_set(cpuid, cpuid_length);
if (ret)
return ret;
ret = rockchip_setup_macaddr();
return ret;
}
#endif
#if IS_ENABLED(CONFIG_BOARD_RNG_SEED) && IS_ENABLED(CONFIG_RNG_ROCKCHIP)
#include <rng.h>
/* Use hardware rng to seed Linux random. */
__weak int board_rng_seed(struct abuf *buf)
{
struct udevice *dev;
size_t len = 0x8;
u64 *data;
data = malloc(len);
if (!data) {
printf("Out of memory\n");
return -ENOMEM;
}
if (uclass_get_device(UCLASS_RNG, 0, &dev) || !dev) {
printf("No RNG device\n");
return -ENODEV;
}
if (dm_rng_read(dev, data, len)) {
printf("Reading RNG failed\n");
return -EIO;
}
abuf_init_set(buf, data, len);
return 0;
}
#endif