#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_BASE 0x10000000 // from ADM5120 documentation
-#define SMEM1(x) (*((volatile unsigned char *) (KSEG1ADDR(SMEM1_BASE) + x)))
+#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
size: 4 * 1024 * 1024
},
{
- name: "RouterBoard NAND Main",
+ 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) {
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(0xB2000008) = 0x1;
SMEM1(NAND_SET_SPn) = 0x01;
SMEM1(NAND_CLR_WPn) = 0x01;
- rnand.IO_ADDR_R = (unsigned char *)KSEG1ADDR(SMEM1_BASE);
+ 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)SMEM1_BASE, 0x1000);
+ 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;