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https://github.com/smaeul/u-boot.git
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eff29f0a60
Add the display of the STMicroelectronics board identification saved in OTP in stm32mp2 checkboard function. Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
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/*
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* Copyright (C) 2023, STMicroelectronics - All Rights Reserved
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*/
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#define LOG_CATEGORY LOGC_BOARD
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#include <config.h>
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#include <env.h>
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#include <fdt_support.h>
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#include <log.h>
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#include <misc.h>
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#include <asm/global_data.h>
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#include <asm/arch/sys_proto.h>
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#include <dm/device.h>
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#include <dm/ofnode.h>
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#include <dm/uclass.h>
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/*
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* Get a global data pointer
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*/
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DECLARE_GLOBAL_DATA_PTR;
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int checkboard(void)
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{
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int ret;
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u32 otp;
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struct udevice *dev;
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const char *fdt_compat;
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int fdt_compat_len;
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fdt_compat = ofnode_get_property(ofnode_root(), "compatible", &fdt_compat_len);
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log_info("Board: stm32mp2 (%s)\n", fdt_compat && fdt_compat_len ? fdt_compat : "");
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/* display the STMicroelectronics board identification */
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if (CONFIG_IS_ENABLED(CMD_STBOARD)) {
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ret = uclass_get_device_by_driver(UCLASS_MISC,
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DM_DRIVER_GET(stm32mp_bsec),
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&dev);
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if (!ret)
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ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
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&otp, sizeof(otp));
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if (ret > 0 && otp)
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log_info("Board: MB%04x Var%d.%d Rev.%c-%02d\n",
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otp >> 16,
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(otp >> 12) & 0xF,
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(otp >> 4) & 0xF,
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((otp >> 8) & 0xF) - 1 + 'A',
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otp & 0xF);
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}
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return 0;
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}
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/* board dependent setup after realloc */
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int board_init(void)
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{
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return 0;
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}
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int board_late_init(void)
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{
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const void *fdt_compat;
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int fdt_compat_len;
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char dtb_name[256];
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int buf_len;
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if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
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fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
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&fdt_compat_len);
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if (fdt_compat && fdt_compat_len) {
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if (strncmp(fdt_compat, "st,", 3) != 0) {
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env_set("board_name", fdt_compat);
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} else {
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env_set("board_name", fdt_compat + 3);
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buf_len = sizeof(dtb_name);
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strlcpy(dtb_name, fdt_compat + 3, buf_len);
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buf_len -= strlen(fdt_compat + 3);
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strlcat(dtb_name, ".dtb", buf_len);
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env_set("fdtfile", dtb_name);
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}
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}
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}
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return 0;
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}
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