OneNAND support (take #2)

PATCH New Kyungmin Park 1 participant 1 message Sep 10, 2007

Subsystems (4)

Kbuild Memory technology devices (MTD) NAND flash Onenand flash driver

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Kyungmin Park

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2007-09-10 08:15 UTC #0 lore raw

PATCH 3/3 OneNAND support (take #2)

[PATCH 3/3] OneNAND support (take #2)

OneNAND support at U-Boot

Signed-off-by Kyungmin Park <[email protected]>

---

Makefile +1 -0

index 0371d46..8926904 100644
@@ -211,6 +211,7 @@ LIBS += drivers/libdrivers.a
 LIBS += drivers/bios_emulator/libatibiosemu.a
 LIBS += drivers/nand/libnand.a
 LIBS += drivers/nand_legacy/libnand_legacy.a
+LIBS += drivers/onenand/libonenand.a
 LIBS += drivers/net/libnet.a
 ifeq ($(CPU),mpc83xx)
 LIBS += drivers/qe/qe.a

common/Makefile +2 -1

index ef7d097..fde5ad9 100644
@@ -37,13 +37,14 @@ COBJS	= main.o ACEX1K.o altera.o bedbug.o circbuf.o cmd_autoscript.o \
 	  cmd_load.o cmd_log.o \
 	  cmd_mem.o cmd_mii.o cmd_misc.o cmd_mmc.o \
 	  cmd_nand.o cmd_net.o cmd_nvedit.o \
+	  cmd_onenand.o \
 	  cmd_pci.o cmd_pcmcia.o cmd_portio.o \
 	  cmd_reginfo.o cmd_reiser.o cmd_sata.o cmd_scsi.o cmd_spi.o \
 	  cmd_universe.o cmd_usb.o cmd_vfd.o \
 	  command.o console.o cyclon2.o devices.o dlmalloc.o docecc.o \
 	  environment.o env_common.o \
 	  env_nand.o env_dataflash.o env_flash.o env_eeprom.o \
-	  env_nvram.o env_nowhere.o \
+	  env_onenand.o env_nvram.o env_nowhere.o \
 	  exports.o \
 	  fdt_support.o flash.o fpga.o ft_build.o \
 	  hush.o kgdb.o lcd.o lists.o lynxkdi.o \

common/cmd_nvedit.c +6 -3

index 1db0fc3..6770408 100644
@@ -57,8 +57,9 @@ DECLARE_GLOBAL_DATA_PTR;
     !defined(CFG_ENV_IS_IN_FLASH)	&& \
     !defined(CFG_ENV_IS_IN_DATAFLASH)	&& \
     !defined(CFG_ENV_IS_IN_NAND)	&& \
+    !defined(CFG_ENV_IS_IN_ONENAND)	&& \
     !defined(CFG_ENV_IS_NOWHERE)
-# error Define one of CFG_ENV_IS_IN_{NVRAM|EEPROM|FLASH|DATAFLASH|NOWHERE}
+# error Define one of CFG_ENV_IS_IN_{NVRAM|EEPROM|FLASH|DATAFLASH|ONENAND|NOWHERE}
 #endif
 
 #define XMK_STR(x)	#x

@@ -553,7 +554,8 @@ int getenv_r (char *name, char *buf, unsigned len)
 
 #if defined(CFG_ENV_IS_IN_NVRAM) || defined(CFG_ENV_IS_IN_EEPROM) \
     || (defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_FLASH)) \
-    || (defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_NAND))
+    || (defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_NAND)) \
+    || (defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_ONENAND))
 int do_saveenv (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
 	extern char * env_name_spec;

@@ -608,7 +610,8 @@ U_BOOT_CMD(
 
 #if defined(CFG_ENV_IS_IN_NVRAM) || defined(CFG_ENV_IS_IN_EEPROM) \
     || (defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_FLASH)) \
-    || (defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_NAND))
+    || (defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_NAND)) \
+    || (defined(CONFIG_CMD_ENV) && defined(CONFIG_CMD_ONENAND))
 U_BOOT_CMD(
 	saveenv, 1, 0,	do_saveenv,
 	"saveenv - save environment variables to persistent storage\n",

common/cmd_onenand.c new file +155 -0

155 lines not on this page · raw message

common/env_onenand.c new file +134 -0

134 lines not on this page · raw message

include/config_cmd_all.h +1 -0

index 3d91e99..f8eca87 100644
@@ -59,6 +59,7 @@
 #define CONFIG_CMD_NAND		/* NAND support			*/
 #define CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
 #define CONFIG_CMD_NFS		/* NFS support			*/
+#define CONFIG_CMD_ONENAND	/* OneNAND support		*/
 #define CONFIG_CMD_PCI		/* pciinfo			*/
 #define CONFIG_CMD_PCMCIA	/* PCMCIA support		*/
 #define CONFIG_CMD_PING		/* ping support			*/

include/linux/mtd/bbm.h new file +127 -0

127 lines not on this page · raw message

include/linux/mtd/onenand.h new file +143 -0

143 lines not on this page · raw message

include/linux/mtd/onenand_regs.h new file +181 -0

181 lines not on this page · raw message

include/onenand_uboot.h new file +39 -0

new file mode 100644
index 0000000..bd1831e
@@ -0,0 +1,39 @@
+/*
+ *  Header file for OneNAND support for U-Boot
+ *
+ *  Adaptation from kernel to U-Boot
+ *
+ *  Copyright (C) 2005-2007 Samsung Electronics
+ *  Kyungmin Park <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __UBOOT_ONENAND_H
+#define __UBOOT_ONENAND_H
+
+struct kvec {
+	void *iov_base;
+	size_t iov_len;
+};
+
+typedef int spinlock_t;
+typedef int wait_queue_head_t;
+
+/* Functions */
+extern void onenand_init(void);
+extern int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
+			size_t * retlen, u_char * buf);
+extern int onenand_read_oob(struct mtd_info *mtd, loff_t from, size_t len,
+			    size_t * retlen, u_char * buf);
+extern int onenand_write(struct mtd_info *mtd, loff_t from, size_t len,
+			 size_t * retlen, const u_char * buf);
+extern int onenand_erase(struct mtd_info *mtd, struct erase_info *instr);
+
+extern int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len);
+
+extern void onenand_print_device_info(int device, int verbose);
+
+#endif /* __UBOOT_ONENAND_H */

lib_arm/board.c +8 -0

index d28afc5..634e4d9 100644
@@ -58,6 +58,10 @@ DECLARE_GLOBAL_DATA_PTR;
 void nand_init (void);
 #endif
 
+#if defined(CONFIG_CMD_ONENAND)
+void onenand_init(void);
+#endif
+
 ulong monitor_flash_len;
 
 #ifdef CONFIG_HAS_DATAFLASH

@@ -301,6 +305,10 @@ void start_armboot (void)
 	nand_init();		/* go init the NAND */
 #endif
 
+#if defined(CONFIG_CMD_ONENAND)
+	onenand_init();
+#endif
+
 #ifdef CONFIG_HAS_DATAFLASH
 	AT91F_DataflashInit();
 	dataflash_print_info();