#include <linux/mtd/nand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+
+#include <asm/bootinfo.h>
#include <asm/rc32434/rc32434.h>
#include <asm/rc32434/dma.h>
};
/* Resources and device for NAND. There is no data needed and no irqs, so just define the memory used. */
+
+/*
+ * 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 rb500_nand_ecclayout = {
+ .eccbytes = 6,
+ .eccpos = { 8, 9, 10, 13, 14, 15 },
+ .oobavail = 9,
+ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
+};
+
int rb500_dev_ready(struct mtd_info *mtd)
{
return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY;
}
static struct resource nand_slot0_res[] = {
- {
+ [0] = {
.name = "nand_membase",
.flags = IORESOURCE_MEM
}
};
static struct platform_device nand_slot0 = {
- .id = 0,
.name = "gen_nand",
+ .id = -1,
.resource = nand_slot0_res,
.num_resources = ARRAY_SIZE(nand_slot0_res),
.dev.platform_data = &rb500_nand_data,
}
};
+static struct platform_device rb500_led = {
+ .name = "rb500-led",
+ .id = 0,
+};
+
+static struct gpio_keys_button rb500_gpio_btn[] = {
+ {
+ .gpio = 1,
+ .code = BTN_0,
+ .desc = "S1",
+ .active_low = 1,
+ }
+};
+
+static struct gpio_keys_platform_data rb500_gpio_btn_data = {
+ .buttons = rb500_gpio_btn,
+ .nbuttons = ARRAY_SIZE(rb500_gpio_btn),
+};
+
+static struct platform_device rb500_button = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &rb500_gpio_btn_data,
+ }
+};
static struct platform_device *rb500_devs[] = {
&korina_dev0,
&nand_slot0,
- &cf_slot0
+ &cf_slot0,
+ &rb500_led,
+ &rb500_button
};
static void __init parse_mac_addr(char *macstr)
/* NAND definitions */
#define NAND_CHIP_DELAY 25
+static int rb500_nand_fixup(struct mtd_info *mtd)
+{
+ struct nand_chip *chip = mtd->priv;
+
+ if (mtd->writesize == 512)
+ chip->ecc.layout = &rb500_nand_ecclayout;
+
+ return 0;
+}
+
static void __init rb500_nand_setup(void)
{
- if (!strcmp(board_type, "500r5"))
+ switch (mips_machtype) {
+ case MACH_MIKROTIK_RB532A:
changeLatchU5(LO_FOFF | LO_CEX, LO_ULED | LO_ALE | LO_CLE | LO_WPX);
- else
+ break;
+ default:
changeLatchU5(LO_WPX | LO_FOFF | LO_CEX, LO_ULED | LO_ALE | LO_CLE);
+ break;
+ }
+
+ /* Setup NAND specific settings */
+ rb500_nand_data.chip.nr_chips = 1;
+ rb500_nand_data.chip.nr_partitions = ARRAY_SIZE(rb500_partition_info);
+ rb500_nand_data.chip.partitions = rb500_partition_info;
+ rb500_nand_data.chip.chip_delay = NAND_CHIP_DELAY;
+ rb500_nand_data.chip.options = NAND_NO_AUTOINCR;
+
+ rb500_nand_data.chip.chip_fixup = &rb500_nand_fixup;
}
cf_slot0_res[0].end = cf_slot0_res[0].start + 0x1000;
}
- /* Initialise the NAND device */
- rb500_nand_setup();
-
/* Read the NAND resources from the device controller */
nand_slot0_res[0].start = readl(CFG_DC_DEV2 + CFG_DC_DEVBASE);
nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000;
- /* Setup NAND specific settings */
- rb500_nand_data.chip.nr_chips = 1;
- rb500_nand_data.chip.nr_partitions = ARRAY_SIZE(rb500_partition_info);
- rb500_nand_data.chip.partitions = rb500_partition_info;
- rb500_nand_data.chip.chip_delay = NAND_CHIP_DELAY;
- rb500_nand_data.chip.options = NAND_NO_AUTOINCR;
+ /* Initialise the NAND device */
+ rb500_nand_setup();
return platform_add_devices(rb500_devs, ARRAY_SIZE(rb500_devs));
}