X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/99f2f68b6fb7caad7689ae9ad73da43f54ac0337..eb3554dc17d9e616e602745f15ab2985fd8f71bd:/target/linux/rb532-2.6/patches/500-Nand.patch diff --git a/target/linux/rb532-2.6/patches/500-Nand.patch b/target/linux/rb532-2.6/patches/500-Nand.patch index dc310e9ce..cb2346544 100644 --- a/target/linux/rb532-2.6/patches/500-Nand.patch +++ b/target/linux/rb532-2.6/patches/500-Nand.patch @@ -1,10 +1,9 @@ -diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig -index cfe288a..c528024 100644 ---- a/drivers/mtd/nand/Kconfig -+++ b/drivers/mtd/nand/Kconfig -@@ -55,6 +55,12 @@ config MTD_NAND_TOTO +diff -urN linux.old/drivers/mtd/nand/Kconfig linux.dev/drivers/mtd/nand/Kconfig +--- linux.old/drivers/mtd/nand/Kconfig 2006-11-29 22:57:37.000000000 +0100 ++++ linux.dev/drivers/mtd/nand/Kconfig 2006-12-14 04:38:51.000000000 +0100 +@@ -75,6 +75,12 @@ help - Support for NAND flash on Texas Instruments Toto platform. + Support for NAND flash on Technologic Systems TS-7250 platform. +config MTD_NAND_RB500 + tristate "NAND Flash device on RB500 board" @@ -15,24 +14,21 @@ index cfe288a..c528024 100644 config MTD_NAND_IDS tristate -diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile -index 4174202..2be57c1 100644 ---- a/drivers/mtd/nand/Makefile -+++ b/drivers/mtd/nand/Makefile -@@ -8,6 +8,7 @@ obj-$(CONFIG_MTD_NAND_IDS) += nand_ids. - +diff -urN linux.old/drivers/mtd/nand/Makefile linux.dev/drivers/mtd/nand/Makefile +--- linux.old/drivers/mtd/nand/Makefile 2006-11-29 22:57:37.000000000 +0100 ++++ linux.dev/drivers/mtd/nand/Makefile 2006-12-14 04:38:51.000000000 +0100 +@@ -9,6 +9,7 @@ obj-$(CONFIG_MTD_NAND_SPIA) += spia.o + obj-$(CONFIG_MTD_NAND_AMS_DELTA) += ams-delta.o obj-$(CONFIG_MTD_NAND_TOTO) += toto.o +obj-$(CONFIG_MTD_NAND_RB500) += rbmipsnand.o obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o -diff --git a/drivers/mtd/nand/rbmipsnand.c b/drivers/mtd/nand/rbmipsnand.c -new file mode 100644 -index 0000000..6f7452a ---- /dev/null -+++ b/drivers/mtd/nand/rbmipsnand.c -@@ -0,0 +1,211 @@ +diff -urN linux.old/drivers/mtd/nand/rbmipsnand.c linux.dev/drivers/mtd/nand/rbmipsnand.c +--- linux.old/drivers/mtd/nand/rbmipsnand.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/drivers/mtd/nand/rbmipsnand.c 2006-12-14 04:39:52.000000000 +0100 +@@ -0,0 +1,137 @@ +#include +#include +#include @@ -41,12 +37,9 @@ index 0000000..6f7452a +#include +#include +#include -+//#include + +#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000)) + -+#define SMEM1(x) (*((volatile unsigned char *) (KSEG1ADDR(SMEM1_BASE) + x))) -+ +#define GPIOF 0x050000 +#define GPIOC 0x050004 +#define GPIOD 0x050008 @@ -56,19 +49,6 @@ index 0000000..6f7452a +#define GPIO_ALE (1 << 0x0a) +#define GPIO_CLE (1 << 0x0b) + -+#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 DEV2BASE 0x010020 + +#define LO_WPX (1 << 0) @@ -84,89 +64,48 @@ index 0000000..6f7452a + +extern void changeLatchU5(unsigned char orMask, unsigned char nandMask); + -+static int rb500_dev_ready(struct mtd_info *mtd) { -+ return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY; -+} -+/* -+static int rb100_dev_ready(struct mtd_info *mtd) { -+ return SMEM1(NAND_STS_REG) & 0x80; -+} -+*/ -+static unsigned long iflags = 0; -+static int ioff = 0; -+/* -+static void rbmips_hwcontrol400(struct mtd_info *mtd, int cmd) { -+ switch (cmd) { -+ case NAND_CTL_SETCLE: -+ MEM32(IDT434_REG_BASE + GPIOD) |= GPIO_CLE; -+ break; -+ case NAND_CTL_CLRCLE: -+ MEM32(IDT434_REG_BASE + GPIOD) &= ~GPIO_CLE; -+ break; -+ case NAND_CTL_SETALE: -+ MEM32(IDT434_REG_BASE + GPIOD) |= GPIO_ALE; -+ break; -+ case NAND_CTL_CLRALE: -+ MEM32(IDT434_REG_BASE + GPIOD) &= ~GPIO_ALE; -+ break; -+ default: -+ break; -+ } -+} -+*/ -+static void rbmips_hwcontrol500(struct mtd_info *mtd, int cmd) { -+ switch (cmd) { -+ case NAND_CTL_SETCLE: -+ changeLatchU5(LO_CLE, 0); -+ break; -+ case NAND_CTL_CLRCLE: -+ changeLatchU5(0, LO_CLE); -+ break; -+ case NAND_CTL_SETALE: -+ changeLatchU5(LO_ALE, 0); -+ break; -+ case NAND_CTL_CLRALE: -+ changeLatchU5(0, LO_ALE); -+ break; -+ default: -+ break; -+ } ++static int rb500_dev_ready(struct mtd_info *mtd) ++{ ++ return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY; +} ++ +/* -+static void rbmips_hwcontrol100(struct mtd_info *mtd, int cmd){ -+ switch(cmd){ -+ case NAND_CTL_SETCLE: -+ SMEM1(NAND_SET_CLE) = 0x01; -+ break; -+ case NAND_CTL_CLRCLE: -+ SMEM1(NAND_CLR_CLE) = 0x01; -+ break; -+ case NAND_CTL_SETALE: -+ SMEM1(NAND_SET_ALE) = 0x01; -+ break; -+ case NAND_CTL_CLRALE: -+ SMEM1(NAND_CLR_ALE) = 0x01; -+ break; -+ case NAND_CTL_SETNCE: -+ SMEM1(NAND_SET_CEn) = 0x01; -+ break; -+ case NAND_CTL_CLRNCE: -+ SMEM1(NAND_CLR_CEn) = 0x01; -+ break; -+ } ++ * hardware specific access to control-lines ++ * ++ * ctrl: ++ * NAND_CLE: bit 2 -> bit 3 ++ * NAND_ALE: bit 3 -> bit 2 ++ */ ++static void rbmips_hwcontrol500(struct mtd_info *mtd, int cmd, ++ unsigned int ctrl) ++{ ++ struct nand_chip *chip = mtd->priv; ++ unsigned char orbits, nandbits; ++ ++ if (ctrl & NAND_CTRL_CHANGE) { ++ ++ orbits = (ctrl & NAND_CLE) << 1; ++ orbits |= (ctrl & NAND_ALE) >> 1; ++ ++ nandbits = (~ctrl & NAND_CLE) << 1; ++ nandbits |= (~ctrl & NAND_ALE) >> 1; ++ ++ changeLatchU5(orbits, nandbits); ++ } ++ 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: "RouterBoard NAND Main", -+ offset: MTDPART_OFS_NXTBLK, -+ size: MTDPART_SIZ_FULL -+ } ++ { ++ name:"RouterBoard NAND Boot", ++ offset:0, ++ size:4 * 1024 * 1024}, ++ { ++ name:"RouterBoard NAND Main", ++ offset:MTDPART_OFS_NXTBLK, ++ size:MTDPART_SIZ_FULL} +}; + +static struct mtd_info rmtd; @@ -174,64 +113,50 @@ index 0000000..6f7452a + +static unsigned init_ok = 0; + -+unsigned get_rbnand_block_size(void) { -+ if (init_ok) return rmtd.oobblock; else return 0; ++unsigned get_rbnand_block_size(void) ++{ ++ if (init_ok) ++ return rmtd.writesize; ++ else ++ return 0; +} + +EXPORT_SYMBOL(get_rbnand_block_size); + -+int __init rbmips_init(void) { ++int __init rbmips_init(void) ++{ ++ int *b; + memset(&rmtd, 0, sizeof(rmtd)); + memset(&rnand, 0, sizeof(rnand)); -+/* -+ if (is_rb500()) { -+ if (is_rb400()) { -+ printk("RB400 nand\n"); -+ MEM32(IDT434_REG_BASE + GPIOD) |= GPIO_WPX; -+ MEM32(IDT434_REG_BASE + GPIOD) &= ~GPIO_CLE; -+ MEM32(IDT434_REG_BASE + GPIOD) &= ~GPIO_ALE; -+ rnand.hwcontrol = rbmips_hwcontrol400; -+ } else { -+*/ -+ printk("RB500 nand\n"); -+ changeLatchU5(LO_WPX | LO_FOFF | LO_CEX, -+ LO_ULED | LO_ALE | LO_CLE); -+ rnand.hwcontrol = rbmips_hwcontrol500; -+// } -+ -+ rnand.dev_ready = rb500_dev_ready; -+ rnand.IO_ADDR_W = (unsigned char *) -+ KSEG1ADDR(MEM32(IDT434_REG_BASE + DEV2BASE)); -+ rnand.IO_ADDR_R = rnand.IO_ADDR_W; -+/* } else if (is_rb100()) { -+ printk("RB100 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(SMEM1_BASE); -+ rnand.IO_ADDR_W = rnand.IO_ADDR_R; -+ rnand.hwcontrol = rbmips_hwcontrol100; -+ rnand.dev_ready = rb100_dev_ready; -+ } -+*/ -+ p_nand = (void __iomem *)ioremap(( void*)0x18a20000, 0x1000); ++ ++ printk("RB500 nand\n"); ++ changeLatchU5(LO_WPX | LO_FOFF | LO_CEX, ++ LO_ULED | LO_ALE | LO_CLE); ++ rnand.cmd_ctrl = rbmips_hwcontrol500; ++ ++ rnand.dev_ready = rb500_dev_ready; ++ rnand.IO_ADDR_W = (unsigned char *) ++ KSEG1ADDR(MEM32(IDT434_REG_BASE + DEV2BASE)); ++ rnand.IO_ADDR_R = rnand.IO_ADDR_W; ++ ++ p_nand = (void __iomem *) ioremap((void *) 0x18a20000, 0x1000); + if (!p_nand) { + printk("RBnand Unable ioremap buffer"); + return -ENXIO; + } -+ rnand.eccmode = NAND_ECC_SOFT; ++ rnand.ecc.mode = NAND_ECC_SOFT; + rnand.chip_delay = 25; + rnand.options |= NAND_NO_AUTOINCR; + rmtd.priv = &rnand; + -+ int *b = ( int *)KSEG1ADDR( 0x18010020); -+ printk( "dev2base 0x%08x mask 0x%08x c 0x%08x tc 0x%08x\n", b[ 0], b[ 1], b[ 2], b[ 3]); ++ b = (int *) KSEG1ADDR(0x18010020); ++ printk("dev2base 0x%08x mask 0x%08x c 0x%08x tc 0x%08x\n", b[0], ++ b[1], b[2], b[3]); + + if (nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1) -+ && nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)) { ++ && nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)) { + printk("RBxxx nand device not found"); -+ iounmap ((void *)p_nand); ++ iounmap((void *) p_nand); + return -ENXIO; + } + @@ -241,8 +166,3 @@ index 0000000..6f7452a +} + +module_init(rbmips_init); -+ -+ -+ -+ -+