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@@ -24,12 +24,28 @@
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#include <common.h>
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#include <common.h>
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#include <netdev.h>
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#include <netdev.h>
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+#include <mtd/cfi_flash.h>
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+#include <asm/io.h>
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void text_base_hook(void); /* nop hook for text_base.S */
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void text_base_hook(void); /* nop hook for text_base.S */
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+#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
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+static void __early_flash_cmd_reset(void)
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+{
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+ /* reset flash before we read env */
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+ writeb(AMD_CMD_RESET, CONFIG_ENV_ADDR);
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+ writeb(FLASH_CMD_RESET, CONFIG_ENV_ADDR);
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+}
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+void early_flash_cmd_reset(void)
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+ __attribute__((weak,alias("__early_flash_cmd_reset")));
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+#endif
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+
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int board_early_init_f(void)
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int board_early_init_f(void)
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{
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{
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text_base_hook();
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text_base_hook();
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+#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
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+ early_flash_cmd_reset();
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+#endif
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return 0;
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return 0;
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}
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}
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