diff options
Diffstat (limited to 'arch/arm/mach-rockchip/board.c')
| -rw-r--r-- | arch/arm/mach-rockchip/board.c | 199 |
1 files changed, 192 insertions, 7 deletions
diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c index 2620530e03f..cd226844b63 100644 --- a/arch/arm/mach-rockchip/board.c +++ b/arch/arm/mach-rockchip/board.c @@ -1,29 +1,41 @@ // 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 <dm/uclass-internal.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 <asm/arch-rockchip/misc.h> #include <power/regulator.h> -#if defined(CONFIG_EFI_HAVE_CAPSULE_SUPPORT) && defined(CONFIG_EFI_PARTITION) +#if IS_ENABLED(CONFIG_EFI_HAVE_CAPSULE_SUPPORT) && IS_ENABLED(CONFIG_EFI_PARTITION) #define DFU_ALT_BUF_LEN SZ_1K @@ -136,6 +148,10 @@ void set_dfu_alt_info(char *interface, char *devstr) 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; @@ -170,10 +186,6 @@ static void gpt_capsule_update_setup(void) __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; } @@ -181,6 +193,10 @@ int board_late_init(void) { setup_boot_mode(); +#if IS_ENABLED(CONFIG_EFI_HAVE_CAPSULE_SUPPORT) && IS_ENABLED(CONFIG_EFI_PARTITION) + gpt_capsule_update_setup(); +#endif + return rk_board_late_init(); } @@ -205,8 +221,24 @@ void enable_caches(void) } #endif -#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) +#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> @@ -281,6 +313,7 @@ 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) @@ -297,6 +330,124 @@ int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason) #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; @@ -304,6 +455,10 @@ __weak int misc_init_r(void) 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; @@ -349,3 +504,33 @@ __weak int board_rng_seed(struct abuf *buf) return 0; } #endif + +int mmc_get_env_dev(void) +{ + int devnum; + const char *boot_device; + struct udevice *dev; + +#ifdef CONFIG_SYS_MMC_ENV_DEV + devnum = CONFIG_SYS_MMC_ENV_DEV; +#else + devnum = 0; +#endif + + boot_device = ofnode_read_chosen_string("u-boot,spl-boot-device"); + if (!boot_device) { + debug("%s: /chosen/u-boot,spl-boot-device not set\n", __func__); + return devnum; + } + + debug("%s: booted from %s\n", __func__, boot_device); + + if (uclass_find_device_by_ofnode(UCLASS_MMC, ofnode_path(boot_device), &dev)) { + debug("%s: no U-Boot device found for %s\n", __func__, boot_device); + return devnum; + } + + devnum = dev->seq_; + debug("%s: get MMC env from mmc%d\n", __func__, devnum); + return devnum; +} |