make NAND support compile

drivers/nand/Makefile

@@ -4,4 +4,4 @@ obj-$(CONFIG_NAND)	+= nand_bbt.o
 obj-$(CONFIG_NAND)	+= nand.o
 obj-$(CONFIG_NAND)	+= nand_ecc.o
 obj-$(CONFIG_NAND)	+= nand_ids.o
-obj-$(CONFIG_NAND)	+= nand_util.o
+#obj-$(CONFIG_NAND)	+= nand_util.o

drivers/nand/nand.c

@@ -23,20 +23,16 @@
 
 #include <common.h>
 #include <nand.h>
+#include <init.h>
+#include <xfuncs.h>
+#include <driver.h>
 
-#ifndef CFG_NAND_BASE_LIST
-#define CFG_NAND_BASE_LIST { CFG_NAND_BASE }
-#endif
+char *default_nand_name = "huhu";
 
-int nand_curr_device = -1;
-nand_info_t nand_info[CFG_MAX_NAND_DEVICE];
-
-static struct nand_chip nand_chip[CFG_MAX_NAND_DEVICE];
-static ulong base_address[CFG_MAX_NAND_DEVICE] = CFG_NAND_BASE_LIST;
-
-static const char default_nand_name[] = "nand";
-
-extern int board_nand_init(struct nand_chip *nand);
+static inline int board_nand_init(struct nand_chip *nand)
+{
+	return 0;
+}
 
 static void nand_init_chip(struct mtd_info *mtd, struct nand_chip *nand,
 			   ulong base_addr)
@@ -57,23 +53,38 @@ static void nand_init_chip(struct mtd_info *mtd, struct nand_chip *nand,
 
 }
 
-void nand_init(void)
-{
-	int i;
-	unsigned int size = 0;
-	for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) {
-		nand_init_chip(&nand_info[i], &nand_chip[i], base_address[i]);
-		size += nand_info[i].size;
-		if (nand_curr_device == -1)
-			nand_curr_device = i;
-	}
-	printf("%lu MiB\n", size / (1024 * 1024));
+struct nand_host {
+	struct mtd_info info;
+	struct nand_chip chip;
+	struct device_d *dev;
+};
 
-#ifdef CFG_NAND_SELECT_DEVICE
-	/*
-	 * Select the chip in the board/cpu specific driver
-	 */
-	board_nand_select_device(nand_info[nand_curr_device].priv, nand_curr_device);
-#endif
+static int nand_probe (struct device_d *dev)
+{
+	struct nand_host *host;
+
+	host = xzalloc(sizeof(*host));
+
+	nand_init_chip(&host->info, &host->chip, dev->map_base);
+
+	return 0;
 }
 
+static struct driver_d nand_driver = {
+	.name   = "nand_flash",
+	.probe  = nand_probe,
+//	.read   = nand_read,
+//	.write  = nand_write,
+//	.erase  = nand_erase,
+//	.protect= nand_protect,
+//	.memmap = generic_memmap_ro,
+//	.info   = nand_info,
+};
+
+static int nand_init(void)
+{
+	return register_driver(&nand_driver);
+}
+
+device_initcall(nand_init);
+

drivers/nand/nand_base.c

@@ -78,9 +78,10 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/nand_ecc.h>
+#include <clock.h>
 
 #include <asm/io.h>
-#include <asm/errno.h>
+#include <errno.h>
 
 #ifdef CONFIG_JFFS2_NAND
 #include <jffs2/jffs2.h>
@@ -833,22 +834,22 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
 #else
 static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
 {
-	unsigned long	timeo;
+	uint64_t timeo, start;
 
 	if (state == FL_ERASING)
- 		timeo = (CFG_HZ * 400) / 1000;
+ 		timeo = 400 * MSECOND;
 	else
-		timeo = (CFG_HZ * 20) / 1000;
+		timeo = 20 * MSECOND;
 
 	if ((state == FL_ERASING) && (this->options & NAND_IS_AND))
 		this->cmdfunc(mtd, NAND_CMD_STATUS_MULTI, -1, -1);
 	else
 		this->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
 
-	reset_timer();
+	start = get_time_ns();
 
 	while (1) {
-		if (get_timer(0) > timeo) {
+		if (is_timeout(start, timeo)) {
 			printf("Timeout!");
 			return 0x01;
 		}

drivers/nand/nand_bbt.c

@@ -58,7 +58,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 
-#include <asm/errno.h>
+#include <errno.h>
 
 /**
  * check_pattern - [GENERIC] check if a pattern is in the buffer

drivers/nand/nand_util.c

@@ -36,7 +36,7 @@
 #include <malloc.h>
 
 #include <nand.h>
-#include <jffs2/jffs2.h>
+//#include <jffs2/jffs2.h>
 
 typedef struct erase_info erase_info_t;
 typedef struct mtd_info	  mtd_info_t;