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@@ -144,7 +144,11 @@
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static struct part_info *current_part;
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#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
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+#if defined(CFG_NAND_LEGACY)
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+#include <linux/mtd/nand_legacy.h>
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+#else
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#include <nand.h>
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+#endif
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/*
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* Support for jffs2 on top of NAND-flash
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*
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@@ -155,8 +159,14 @@ static struct part_info *current_part;
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*
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*/
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+#if defined(CFG_NAND_LEGACY)
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+/* this one defined in nand_legacy.c */
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+int read_jffs2_nand(size_t start, size_t len,
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+ size_t * retlen, u_char * buf, int nanddev);
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+#else
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/* info for NAND chips, defined in drivers/nand/nand.c */
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extern nand_info_t nand_info[];
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+#endif
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#define NAND_PAGE_SIZE 512
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#define NAND_PAGE_SHIFT 9
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@@ -167,7 +177,6 @@ extern nand_info_t nand_info[];
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#endif
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#define NAND_CACHE_SIZE (NAND_CACHE_PAGES*NAND_PAGE_SIZE)
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-#ifdef CFG_NAND_LEGACY
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static u8* nand_cache = NULL;
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static u32 nand_cache_off = (u32)-1;
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@@ -175,7 +184,11 @@ static int read_nand_cached(u32 off, u32 size, u_char *buf)
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{
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struct mtdids *id = current_part->dev->id;
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u32 bytes_read = 0;
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+#if defined(CFG_NAND_LEGACY)
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+ size_t retlen;
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+#else
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ulong retlen;
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+#endif
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int cpy_bytes;
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while (bytes_read < size) {
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@@ -193,14 +206,24 @@ static int read_nand_cached(u32 off, u32 size, u_char *buf)
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}
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}
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+#if defined(CFG_NAND_LEGACY)
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+ if (read_jffs2_nand(nand_cache_off, NAND_CACHE_SIZE,
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+ &retlen, nand_cache, id->num) < 0 ||
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+ retlen != NAND_CACHE_SIZE) {
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+ printf("read_nand_cached: error reading nand off %#x size %d bytes\n",
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+ nand_cache_off, NAND_CACHE_SIZE);
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+ return -1;
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+ }
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+#else
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retlen = NAND_CACHE_SIZE;
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if (nand_read(&nand_info[id->num], nand_cache_off,
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- &retlen, nand_cache) != 0 ||
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+ &retlen, nand_cache) != 0 ||
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retlen != NAND_CACHE_SIZE) {
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printf("read_nand_cached: error reading nand off %#x size %d bytes\n",
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nand_cache_off, NAND_CACHE_SIZE);
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return -1;
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}
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+#endif
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}
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cpy_bytes = nand_cache_off + NAND_CACHE_SIZE - (off + bytes_read);
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if (cpy_bytes > size - bytes_read)
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@@ -251,7 +274,6 @@ static void put_fl_mem_nand(void *buf)
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{
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free(buf);
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}
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-#endif /* CFG_NAND_LEGACY */
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#endif /* #if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */
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@@ -294,7 +316,7 @@ static inline void *get_fl_mem(u32 off, u32 size, void *ext_buf)
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return get_fl_mem_nor(off);
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#endif
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-#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY)
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+#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
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if (id->type == MTD_DEV_TYPE_NAND)
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return get_fl_mem_nand(off, size, ext_buf);
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#endif
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@@ -312,7 +334,7 @@ static inline void *get_node_mem(u32 off)
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return get_node_mem_nor(off);
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#endif
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-#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY)
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+#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
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if (id->type == MTD_DEV_TYPE_NAND)
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return get_node_mem_nand(off);
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#endif
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@@ -323,7 +345,7 @@ static inline void *get_node_mem(u32 off)
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static inline void put_fl_mem(void *buf)
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{
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-#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY)
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+#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
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struct mtdids *id = current_part->dev->id;
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if (id->type == MTD_DEV_TYPE_NAND)
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