diff options
Diffstat (limited to 'package/boot/uboot-mediatek/patches/100-11-env-add-support-for-NMBM-upper-MTD-layer.patch')
| -rw-r--r-- | package/boot/uboot-mediatek/patches/100-11-env-add-support-for-NMBM-upper-MTD-layer.patch | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/package/boot/uboot-mediatek/patches/100-11-env-add-support-for-NMBM-upper-MTD-layer.patch b/package/boot/uboot-mediatek/patches/100-11-env-add-support-for-NMBM-upper-MTD-layer.patch new file mode 100644 index 00000000000..dbb1e2e59d2 --- /dev/null +++ b/package/boot/uboot-mediatek/patches/100-11-env-add-support-for-NMBM-upper-MTD-layer.patch @@ -0,0 +1,260 @@ +From 240d98e6ad0aed3c11236aa40a60bbd6fe01fae5 Mon Sep 17 00:00:00 2001 +From: Weijie Gao <weijie.gao@mediatek.com> +Date: Mon, 25 Jul 2022 10:50:46 +0800 +Subject: [PATCH 45/71] env: add support for NMBM upper MTD layer + +Add an env driver for NMBM upper MTD layer + +Signed-off-by: Weijie Gao <weijie.gao@mediatek.com> +--- + cmd/nvedit.c | 3 +- + env/Kconfig | 19 ++++- + env/Makefile | 1 + + env/env.c | 3 + + env/nmbm.c | 155 +++++++++++++++++++++++++++++++++++++++++ + include/env_internal.h | 1 + + tools/Makefile | 1 + + 7 files changed, 180 insertions(+), 3 deletions(-) + create mode 100644 env/nmbm.c + +--- a/env/Kconfig ++++ b/env/Kconfig +@@ -59,6 +59,7 @@ config ENV_IS_DEFAULT + def_bool y if !ENV_IS_IN_EEPROM && !ENV_IS_IN_EXT4 && \ + !ENV_IS_IN_FAT && !ENV_IS_IN_FLASH && \ + !ENV_IS_IN_MMC && !ENV_IS_IN_NAND && \ ++ !ENV_IS_IN_NMBM && \ + !ENV_IS_IN_NVRAM && !ENV_IS_IN_ONENAND && \ + !ENV_IS_IN_REMOTE && !ENV_IS_IN_SPI_FLASH && \ + !ENV_IS_IN_UBI && !ENV_IS_IN_MTD +@@ -315,6 +316,21 @@ config ENV_RANGE + Specifying a range with more erase blocks than are needed to hold + CONFIG_ENV_SIZE allows bad blocks within the range to be avoided. + ++config ENV_IS_IN_NMBM ++ bool "Environment in a NMBM upper MTD layer" ++ depends on !CHAIN_OF_TRUST ++ depends on NMBM_MTD ++ help ++ Define this if you have a NMBM upper MTD which you want to use for ++ the environment. ++ ++ - CONFIG_ENV_OFFSET: ++ - CONFIG_ENV_SIZE: ++ ++ These two #defines specify the offset and size of the environment ++ area within the first NAND device. CONFIG_ENV_OFFSET must be ++ aligned to an erase block boundary. ++ + config ENV_IS_IN_NVRAM + bool "Environment in a non-volatile RAM" + depends on !CHAIN_OF_TRUST +@@ -591,7 +607,7 @@ config ENV_MTD_NAME + config ENV_OFFSET + hex "Environment offset" + depends on ENV_IS_IN_EEPROM || ENV_IS_IN_MMC || ENV_IS_IN_NAND || \ +- ENV_IS_IN_SPI_FLASH || ENV_IS_IN_MTD ++ ENV_IS_IN_SPI_FLASH || ENV_IS_IN_NMBM || ENV_IS_IN_MTD + default 0x3f8000 if ARCH_ROCKCHIP && ENV_IS_IN_MMC + default 0x140000 if ARCH_ROCKCHIP && ENV_IS_IN_SPI_FLASH + default 0xF0000 if ARCH_SUNXI +--- a/env/Makefile ++++ b/env/Makefile +@@ -26,6 +26,7 @@ obj-$(CONFIG_$(SPL_TPL_)ENV_IS_IN_FAT) + + obj-$(CONFIG_$(SPL_TPL_)ENV_IS_IN_EXT4) += ext4.o + obj-$(CONFIG_$(SPL_TPL_)ENV_IS_IN_MTD) += mtd.o + obj-$(CONFIG_$(SPL_TPL_)ENV_IS_IN_NAND) += nand.o ++obj-$(CONFIG_$(SPL_TPL_)ENV_IS_IN_NMBM) += nmbm.o + obj-$(CONFIG_$(SPL_TPL_)ENV_IS_IN_SPI_FLASH) += sf.o + obj-$(CONFIG_$(SPL_TPL_)ENV_IS_IN_FLASH) += flash.o + +--- a/env/env.c ++++ b/env/env.c +@@ -52,6 +52,9 @@ static enum env_location env_locations[] + #ifdef CONFIG_ENV_IS_IN_NAND + ENVL_NAND, + #endif ++#ifdef CONFIG_ENV_IS_IN_NMBM ++ ENVL_NMBM, ++#endif + #ifdef CONFIG_ENV_IS_IN_NVRAM + ENVL_NVRAM, + #endif +--- /dev/null ++++ b/env/nmbm.c +@@ -0,0 +1,155 @@ ++/* SPDX-License-Identifier: GPL-2.0 */ ++/* ++ * Copyright (C) 2020 MediaTek Inc. All Rights Reserved. ++ * ++ * Author: Weijie Gao <weijie.gao@mediatek.com> ++ */ ++ ++#include <command.h> ++#include <env.h> ++#include <env_internal.h> ++#include <errno.h> ++#include <linux/kernel.h> ++#include <linux/stddef.h> ++#include <linux/types.h> ++#include <malloc.h> ++#include <memalign.h> ++#include <search.h> ++ ++#include <nmbm/nmbm-mtd.h> ++ ++#if defined(CONFIG_CMD_SAVEENV) && defined(CONFIG_NMBM_MTD) ++#define CMD_SAVEENV ++#endif ++ ++#if defined(ENV_IS_EMBEDDED) ++env_t *env_ptr = &environment; ++#else /* ! ENV_IS_EMBEDDED */ ++env_t *env_ptr; ++#endif /* ENV_IS_EMBEDDED */ ++ ++DECLARE_GLOBAL_DATA_PTR; ++ ++static int env_nmbm_init(void) ++{ ++#if defined(ENV_IS_EMBEDDED) ++ int crc1_ok = 0, crc2_ok = 0; ++ env_t *tmp_env1; ++ ++ tmp_env1 = env_ptr; ++ crc1_ok = crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc; ++ ++ if (!crc1_ok && !crc2_ok) { ++ gd->env_addr = 0; ++ gd->env_valid = ENV_INVALID; ++ ++ return 0; ++ } else if (crc1_ok && !crc2_ok) { ++ gd->env_valid = ENV_VALID; ++ } ++ ++ if (gd->env_valid == ENV_VALID) ++ env_ptr = tmp_env1; ++ ++ gd->env_addr = (ulong)env_ptr->data; ++ ++#else /* ENV_IS_EMBEDDED */ ++ gd->env_addr = (ulong)&default_environment[0]; ++ gd->env_valid = ENV_VALID; ++#endif /* ENV_IS_EMBEDDED */ ++ ++ return 0; ++} ++ ++#ifdef CMD_SAVEENV ++static int env_nmbm_save(void) ++{ ++ ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1); ++ struct mtd_info *mtd; ++ struct erase_info ei; ++ int ret = 0; ++ ++ ret = env_export(env_new); ++ if (ret) ++ return ret; ++ ++ mtd = nmbm_mtd_get_upper_by_index(0); ++ if (!mtd) ++ return 1; ++ ++ printf("Erasing on NMBM...\n"); ++ memset(&ei, 0, sizeof(ei)); ++ ++ ei.mtd = mtd; ++ ei.addr = CONFIG_ENV_OFFSET; ++ ei.len = CONFIG_ENV_SIZE; ++ ++ if (mtd_erase(mtd, &ei)) ++ return 1; ++ ++ printf("Writing on NMBM... "); ++ ret = mtd_write(mtd, CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, NULL, ++ (u_char *)env_new); ++ puts(ret ? "FAILED!\n" : "OK\n"); ++ ++ return !!ret; ++} ++#endif /* CMD_SAVEENV */ ++ ++static int readenv(size_t offset, u_char *buf) ++{ ++ struct mtd_info *mtd; ++ struct mtd_oob_ops ops; ++ int ret; ++ size_t len = CONFIG_ENV_SIZE; ++ ++ mtd = nmbm_mtd_get_upper_by_index(0); ++ if (!mtd) ++ return 1; ++ ++ ops.mode = MTD_OPS_AUTO_OOB; ++ ops.ooblen = 0; ++ while(len > 0) { ++ ops.datbuf = buf; ++ ops.len = min(len, (size_t)mtd->writesize); ++ ops.oobbuf = NULL; ++ ++ ret = mtd_read_oob(mtd, offset, &ops); ++ if (ret) ++ return 1; ++ ++ buf += mtd->writesize; ++ len -= mtd->writesize; ++ offset += mtd->writesize; ++ } ++ ++ return 0; ++} ++ ++static int env_nmbm_load(void) ++{ ++#if !defined(ENV_IS_EMBEDDED) ++ ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE); ++ int ret; ++ ++ ret = readenv(CONFIG_ENV_OFFSET, (u_char *)buf); ++ if (ret) { ++ env_set_default("readenv() failed", 0); ++ return -EIO; ++ } ++ ++ return env_import(buf, 1, H_EXTERNAL); ++#endif /* ! ENV_IS_EMBEDDED */ ++ ++ return 0; ++} ++ ++U_BOOT_ENV_LOCATION(nmbm) = { ++ .location = ENVL_NMBM, ++ ENV_NAME("NMBM") ++ .load = env_nmbm_load, ++#if defined(CMD_SAVEENV) ++ .save = env_save_ptr(env_nmbm_save), ++#endif ++ .init = env_nmbm_init, ++}; +--- a/include/env_internal.h ++++ b/include/env_internal.h +@@ -111,6 +111,7 @@ enum env_location { + ENVL_MMC, + ENVL_MTD, + ENVL_NAND, ++ ENVL_NMBM, + ENVL_NVRAM, + ENVL_ONENAND, + ENVL_REMOTE, +--- a/tools/Makefile ++++ b/tools/Makefile +@@ -39,6 +39,7 @@ ENVCRC-$(CONFIG_ENV_IS_IN_FLASH) = y + ENVCRC-$(CONFIG_ENV_IS_IN_ONENAND) = y + ENVCRC-$(CONFIG_ENV_IS_IN_MTD) = y + ENVCRC-$(CONFIG_ENV_IS_IN_NAND) = y ++ENVCRC-$(CONFIG_ENV_IS_IN_NMBM) = y + ENVCRC-$(CONFIG_ENV_IS_IN_NVRAM) = y + ENVCRC-$(CONFIG_ENV_IS_IN_SPI_FLASH) = y + BUILD_ENVCRC ?= $(ENVCRC-y) |