X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/ae505386e5e915bcd43f9f178f379da4a5df9cad..17c7b6c3fdc48301e50d22cc6138ede16bd1be24:/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c

diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c b/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c
deleted file mode 100644
index 5b98833c0..000000000
--- a/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*==============================================================================*/
-/* rbmipsnand.c                                                                 */
-/* This module is derived from the 2.4 driver shipped by Microtik for their     */
-/* Routerboard 1xx and 5xx series boards.  It provides support for the built in */
-/* NAND flash on the Routerboard 1xx series boards for Linux 2.6.19+.           */
-/* Licence: Original Microtik code seems not to have a licence.                 */
-/*          Rewritten code all GPL V2.                                          */
-/* Copyright(C) 2007 david.goodenough@linkchoose.co.uk (for rewriten code)      */
-/*==============================================================================*/
-
-#include <linux/init.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/delay.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/bootinfo.h>
-#include <asm/mach-adm5120/adm5120_info.h>
-#include <asm/mach-adm5120/adm5120_defs.h>
-
-#define SMEM1(x) (*((volatile unsigned char *) (KSEG1ADDR(ADM5120_SRAM1_BASE) + x)))
-
-#define NAND_RW_REG	0x0	//data register
-#define NAND_SET_CEn	0x1	//CE# low
-#define NAND_CLR_CEn	0x2	//CE# high
-#define NAND_CLR_CLE	0x3	//CLE low
-#define NAND_SET_CLE	0x4	//CLE high
-#define NAND_CLR_ALE	0x5	//ALE low
-#define NAND_SET_ALE	0x6	//ALE high
-#define NAND_SET_SPn	0x7	//SP# low (use spare area)
-#define NAND_CLR_SPn	0x8	//SP# high (do not use spare area)
-#define NAND_SET_WPn	0x9	//WP# low
-#define NAND_CLR_WPn	0xA	//WP# high
-#define NAND_STS_REG	0xB	//Status register
-
-#define MEM32(x) *((volatile unsigned *) (x))
-static void __iomem *p_nand;
-
-static int rb100_dev_ready(struct mtd_info *mtd) {
-    return SMEM1(NAND_STS_REG) & 0x80;
-}
-
-static void rbmips_hwcontrol100(struct mtd_info *mtd, int cmd, unsigned int ctrl) {
-    struct nand_chip *chip = mtd->priv;
-    if (ctrl & NAND_CTRL_CHANGE) {
-        SMEM1((( ctrl & NAND_CLE) ? NAND_SET_CLE : NAND_CLR_CLE)) = 0x01;
-        SMEM1((( ctrl & NAND_ALE) ? NAND_SET_ALE : NAND_CLR_ALE)) = 0x01;
-        SMEM1((( ctrl & NAND_NCE) ? NAND_SET_CEn : NAND_CLR_CEn)) = 0x01;
-        }
-    if( cmd != NAND_CMD_NONE)
-        writeb( cmd, chip->IO_ADDR_W);
-}
-
-static struct mtd_partition partition_info[] = {
-    {
-        name: "RouterBoard NAND Boot",
-        offset: 0,
-	size: 4 * 1024 * 1024
-    },
-    {
-        name: "rootfs",
-	offset: MTDPART_OFS_NXTBLK,
-	size: MTDPART_SIZ_FULL
-    }
-};
-
-static struct mtd_info rmtd;
-static struct nand_chip rnand;
-/*========================================================================*/
-/* We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader */
-/* will not be able to find the kernel that we load.  So set the oobinfo  */
-/* when creating the partitions.                                          */ 
-/*========================================================================*/
-static struct nand_ecclayout rb_ecclayout = {
-        .eccbytes = 6,
-        .eccpos = { 8, 9, 10, 13, 14, 15 },
-	.oobavail = 9,
-        .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1} }
-};
-static unsigned init_ok = 0;
-
-unsigned get_rbnand_block_size(void) {
-	return init_ok ? rmtd.writesize : 0;
-}
-
-EXPORT_SYMBOL(get_rbnand_block_size);
-
-int __init rbmips_init(void) {
-
-	if (!adm5120_nand_boot)
-		return -ENODEV;
-
-	memset(&rmtd, 0, sizeof(rmtd));
-	memset(&rnand, 0, sizeof(rnand));
-	printk(KERN_INFO "RB1xx nand\n");
-	MEM32(0xB2000064) = 0x100;
-	MEM32(0xB2000008) = 0x1;
-	SMEM1(NAND_SET_SPn) = 0x01;
-	SMEM1(NAND_CLR_WPn) = 0x01;
-	rnand.IO_ADDR_R = (unsigned char *)KSEG1ADDR(ADM5120_SRAM1_BASE);
-	rnand.IO_ADDR_W = rnand.IO_ADDR_R;
-	rnand.cmd_ctrl = rbmips_hwcontrol100;
-	rnand.dev_ready = rb100_dev_ready;
-	p_nand = (void __iomem *)ioremap(( unsigned long)ADM5120_SRAM1_BASE, 0x1000);
-	if (!p_nand) {
-		printk(KERN_WARNING "RB1xx nand Unable ioremap buffer\n");
-		return -ENXIO;
-	}
-	rnand.ecc.mode = NAND_ECC_SOFT;
-	rnand.ecc.layout = &rb_ecclayout;
-	rnand.chip_delay = 25;
-	rnand.options |= NAND_NO_AUTOINCR;
-	rmtd.priv = &rnand;
-	if (nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)
-	    && nand_scan(&rmtd, 1)  && nand_scan(&rmtd, 1)) {
-		printk(KERN_INFO "RB1xxx nand device not found\n");
-		iounmap ((void *)p_nand);
-		return -ENXIO;
-	}
-	add_mtd_partitions(&rmtd, partition_info, 2);
-	init_ok = 1;
-	return 0;
-}
-
-module_init(rbmips_init);
-