ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/common/env_onenand.c b/marvell/uboot/common/env_onenand.c
new file mode 100644
index 0000000..4b44632
--- /dev/null
+++ b/marvell/uboot/common/env_onenand.c
@@ -0,0 +1,121 @@
+/*
+ * (C) Copyright 2010 DENX Software Engineering
+ * Wolfgang Denk <wd@denx.de>
+ *
+ * (C) Copyright 2005-2009 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <environment.h>
+#include <linux/stddef.h>
+#include <malloc.h>
+#include <search.h>
+#include <errno.h>
+#include <onenand_uboot.h>
+
+#include <linux/compat.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+
+char *env_name_spec = "OneNAND";
+
+#define ONENAND_MAX_ENV_SIZE CONFIG_ENV_SIZE
+#define ONENAND_ENV_SIZE(mtd) (ONENAND_MAX_ENV_SIZE - ENV_HEADER_SIZE)
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void env_relocate_spec(void)
+{
+ struct mtd_info *mtd = &onenand_mtd;
+#ifdef CONFIG_ENV_ADDR_FLEX
+ struct onenand_chip *this = &onenand_chip;
+#endif
+ int rc;
+ size_t retlen;
+#ifdef ENV_IS_EMBEDDED
+ char *buf = (char *)&environment;
+#else
+ loff_t env_addr = CONFIG_ENV_ADDR;
+ char onenand_env[ONENAND_MAX_ENV_SIZE];
+ char *buf = (char *)&onenand_env[0];
+#endif /* ENV_IS_EMBEDDED */
+
+#ifndef ENV_IS_EMBEDDED
+# ifdef CONFIG_ENV_ADDR_FLEX
+ if (FLEXONENAND(this))
+ env_addr = CONFIG_ENV_ADDR_FLEX;
+# endif
+ /* Check OneNAND exist */
+ if (mtd->writesize)
+ /* Ignore read fail */
+ mtd_read(mtd, env_addr, ONENAND_MAX_ENV_SIZE,
+ &retlen, (u_char *)buf);
+ else
+ mtd->writesize = MAX_ONENAND_PAGESIZE;
+#endif /* !ENV_IS_EMBEDDED */
+
+ rc = env_import(buf, 1);
+ if (rc)
+ gd->env_valid = 1;
+}
+
+int saveenv(void)
+{
+ env_t env_new;
+ ssize_t len;
+ char *res;
+ struct mtd_info *mtd = &onenand_mtd;
+#ifdef CONFIG_ENV_ADDR_FLEX
+ struct onenand_chip *this = &onenand_chip;
+#endif
+ loff_t env_addr = CONFIG_ENV_ADDR;
+ size_t retlen;
+ struct erase_info instr = {
+ .callback = NULL,
+ };
+
+ res = (char *)&env_new.data;
+ len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
+ if (len < 0) {
+ error("Cannot export environment: errno = %d\n", errno);
+ return 1;
+ }
+ env_new.crc = crc32(0, env_new.data, ENV_SIZE);
+
+ instr.len = CONFIG_ENV_SIZE;
+#ifdef CONFIG_ENV_ADDR_FLEX
+ if (FLEXONENAND(this)) {
+ env_addr = CONFIG_ENV_ADDR_FLEX;
+ instr.len = CONFIG_ENV_SIZE_FLEX;
+ instr.len <<= onenand_mtd.eraseregions[0].numblocks == 1 ?
+ 1 : 0;
+ }
+#endif
+ instr.addr = env_addr;
+ instr.mtd = mtd;
+ if (mtd_erase(mtd, &instr)) {
+ printf("OneNAND: erase failed at 0x%08llx\n", env_addr);
+ return 1;
+ }
+
+ if (mtd_write(mtd, env_addr, ONENAND_MAX_ENV_SIZE, &retlen,
+ (u_char *)&env_new)) {
+ printf("OneNAND: write failed at 0x%llx\n", instr.addr);
+ return 2;
+ }
+
+ return 0;
+}
+
+int env_init(void)
+{
+ /* use default */
+ gd->env_addr = (ulong)&default_environment[0];
+ gd->env_valid = 1;
+
+ return 0;
+}