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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/intel/edison/edison.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/intel/edison/edison.c')
-rw-r--r-- | roms/u-boot/board/intel/edison/edison.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/roms/u-boot/board/intel/edison/edison.c b/roms/u-boot/board/intel/edison/edison.c new file mode 100644 index 000000000..11e7f74e4 --- /dev/null +++ b/roms/u-boot/board/intel/edison/edison.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2017 Intel Corporation + */ +#include <common.h> +#include <env.h> +#include <init.h> +#include <mmc.h> +#include <u-boot/md5.h> + +#include <asm/cache.h> +#include <asm/pmu.h> +#include <asm/scu.h> +#include <asm/u-boot-x86.h> + +/* List of Intel Tangier LSSs */ +#define PMU_LSS_TANGIER_SDIO0_01 1 + +int board_early_init_r(void) +{ + pmu_turn_power(PMU_LSS_TANGIER_SDIO0_01, true); + return 0; +} + +static void assign_serial(void) +{ + struct mmc *mmc = find_mmc_device(0); + unsigned char ssn[16]; + char usb0addr[18]; + char serial[33]; + int i; + + if (!mmc) + return; + + md5((unsigned char *)mmc->cid, sizeof(mmc->cid), ssn); + + snprintf(usb0addr, sizeof(usb0addr), "02:00:86:%02x:%02x:%02x", + ssn[13], ssn[14], ssn[15]); + env_set("usb0addr", usb0addr); + + for (i = 0; i < 16; i++) + snprintf(&serial[2 * i], 3, "%02x", ssn[i]); + env_set("serial#", serial); + +#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) + env_save(); +#endif +} + +static void assign_hardware_id(void) +{ + struct ipc_ifwi_version v; + char hardware_id[4]; + int ret; + + ret = scu_ipc_command(IPCMSG_GET_FW_REVISION, 1, NULL, 0, (u32 *)&v, 4); + if (ret < 0) + printf("Can't retrieve hardware revision\n"); + + snprintf(hardware_id, sizeof(hardware_id), "%02X", v.hardware_id); + env_set("hardware_id", hardware_id); + +#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) + env_save(); +#endif +} + +int board_late_init(void) +{ + if (!env_get("serial#")) + assign_serial(); + + if (!env_get("hardware_id")) + assign_hardware_id(); + + return 0; +} |