/*
* $Id$
*
- * Mikrotik RouterBOARDs 1xx series
+ * Mikrotik RouterBOARD 1xx series
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
*
+ * NAND initialization code was based on a driver for Linux 2.6.19+ which
+ * was derived from the driver for Linux 2.4.xx published by Mikrotik for
+ * their RouterBoard 1xx and 5xx series boards.
+ * Copyright (C) 2007 David Goodenough <david.goodenough@linkchoose.co.uk>
+ * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ * The original Mikrotik code seems not to have a license.
+ *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/delay.h>
#include <asm/bootinfo.h>
#include <asm/gpio.h>
+#include <adm5120_defs.h>
+#include <adm5120_irq.h>
+#include <adm5120_nand.h>
#include <adm5120_board.h>
#include <adm5120_platform.h>
-#include <adm5120_irq.h>
+#include <adm5120_cf.h>
+
+#define RB1XX_NAND_CHIP_DELAY 25
+
+#define RB150_NAND_BASE 0x1FC80000
+#define RB150_NAND_SIZE 1
+
+#define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
+#define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
+#define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
+#define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
+
+#define RB150_NAND_DELAY 100
+
+#define RB150_NAND_WRITE(v) \
+ writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
+
+/*--------------------------------------------------------------------------*/
static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0),
PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2)
};
-static struct mtd_partition rb1xx_partitions[] = {
+static struct mtd_partition rb1xx_nor_parts[] = {
{
.name = "booter",
.offset = 0,
}
};
+static struct mtd_partition rb1xx_nand_parts[] = {
+ {
+ .name = "kernel",
+ .offset = 0,
+ .size = 4 * 1024 * 1024,
+ } , {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL
+ }
+};
+
static struct platform_device *rb1xx_devices[] __initdata = {
&adm5120_flash0_device,
&adm5120_nand_device,
};
-static struct platform_device *rb150_devices[] __initdata = {
- &adm5120_flash0_device,
- /* TODO: nand device is not yet supported */
+/*
+ * 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 rb1xx_nand_ecclayout = {
+ .eccbytes = 6,
+ .eccpos = { 8, 9, 10, 13, 14, 15 },
+ .oobavail = 9,
+ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
};
-static void __init rb1xx_setup(void)
-{
- /* setup data for flash0 device */
- adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_partitions);
- adm5120_flash0_data.parts = rb1xx_partitions;
-
- /* TODO: setup mac address */
-}
+static struct resource rb150_nand_resource[] = {
+ [0] = {
+ .start = RB150_NAND_BASE,
+ .end = RB150_NAND_BASE + RB150_NAND_SIZE-1,
+ .flags = IORESOURCE_MEM,
+ },
+};
#if 0
/*
static unsigned char rb15x_vlans[6] __initdata = {
/* FIXME: untested */
0x41, 0x42, 0x44, 0x48, 0x50, 0x00
+};
static unsigned char rb192_vlans[6] __initdata = {
/* FIXME: untested */
#define rb192_vlans rb_vlans
#endif
+/*--------------------------------------------------------------------------*/
+
+static int rb150_nand_ready(struct mtd_info *mtd)
+{
+ return gpio_get_value(RB150_GPIO_NAND_READY);
+}
+
+static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
+ unsigned int ctrl)
+{
+ if (ctrl & NAND_CTRL_CHANGE) {
+ gpio_set_value(RB150_GPIO_NAND_CLE, (ctrl & NAND_CLE) ? 1 : 0);
+ gpio_set_value(RB150_GPIO_NAND_ALE, (ctrl & NAND_ALE) ? 1 : 0);
+ gpio_set_value(RB150_GPIO_NAND_NCE, (ctrl & NAND_NCE) ? 0 : 1);
+ }
+
+ udelay(RB150_NAND_DELAY);
+
+ if (cmd != NAND_CMD_NONE)
+ RB150_NAND_WRITE(cmd);
+}
+
+/*--------------------------------------------------------------------------*/
+static struct resource cf_slot0_res[] = {
+ {
+ .name = "cf_membase",
+ .start = ADM5120_EXTIO0_BASE,
+ .end = ADM5120_EXTIO0_BASE + ADM5120_MPMC_SIZE-1 ,
+ .flags = IORESOURCE_MEM
+ }, {
+ .name = "cf_irq",
+ .start = ADM5120_IRQ_GPIO4, /* 5 */
+ .end = ADM5120_IRQ_GPIO4,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct cf_device cf_slot0_data = {
+ .gpio_pin = 4
+};
+
+static struct platform_device cf_slot0 = {
+ .id = 0,
+ .name = "rb153-cf",
+ .dev.platform_data = &cf_slot0_data,
+ .resource = cf_slot0_res,
+ .num_resources = ARRAY_SIZE(cf_slot0_res),
+};
+
+static struct platform_device *rb153_devices[] __initdata = {
+ &adm5120_flash0_device,
+ &adm5120_nand_device,
+ &cf_slot0,
+};
+
+static void __init rb1xx_mac_setup(void)
+{
+ /* TODO */
+}
+
+static void __init rb1xx_flash_setup(void)
+{
+ /* setup data for flash0 device */
+ adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_nor_parts);
+ adm5120_flash0_data.parts = rb1xx_nor_parts;
+
+ /* setup data for NAND device */
+ adm5120_nand_data.chip.nr_chips = 1;
+ adm5120_nand_data.chip.nr_partitions = ARRAY_SIZE(rb1xx_nand_parts);
+ adm5120_nand_data.chip.partitions = rb1xx_nand_parts;
+ adm5120_nand_data.chip.ecclayout = &rb1xx_nand_ecclayout;
+ adm5120_nand_data.chip.chip_delay = RB1XX_NAND_CHIP_DELAY;
+ adm5120_nand_data.chip.options = NAND_NO_AUTOINCR;
+}
+
+static void __init rb1xx_setup(void)
+{
+ /* enable NAND flash interface */
+ adm5120_nand_enable();
+
+ /* initialize NAND chip */
+ adm5120_nand_set_spn(1);
+ adm5120_nand_set_wpn(0);
+
+ rb1xx_flash_setup();
+ rb1xx_mac_setup();
+}
+
+static void __init rb150_setup(void)
+{
+ /* setup GPIO pins for NAND flash chip */
+ gpio_request(RB150_GPIO_NAND_READY, "nand-ready");
+ gpio_direction_input(RB150_GPIO_NAND_READY);
+ gpio_request(RB150_GPIO_NAND_NCE, "nand-nce");
+ gpio_direction_output(RB150_GPIO_NAND_NCE, 1);
+ gpio_request(RB150_GPIO_NAND_CLE, "nand-cle");
+ gpio_direction_output(RB150_GPIO_NAND_CLE, 0);
+ gpio_request(RB150_GPIO_NAND_ALE, "nand-ale");
+ gpio_direction_output(RB150_GPIO_NAND_ALE, 0);
+
+ adm5120_nand_device.num_resources = ARRAY_SIZE(rb150_nand_resource);
+ adm5120_nand_device.resource = rb150_nand_resource;
+ adm5120_nand_data.ctrl.cmd_ctrl = rb150_nand_cmd_ctrl;
+ adm5120_nand_data.ctrl.dev_ready = rb150_nand_ready;
+
+ adm5120_flash0_data.window_size = 512*1024;
+
+ rb1xx_flash_setup();
+ rb1xx_mac_setup();
+}
+
+/*--------------------------------------------------------------------------*/
+
static struct adm5120_board rb111_board __initdata = {
.mach_type = MACH_ADM5120_RB_111,
.name = "Mikrotik RouterBOARD 111",
.eth_vlans = rb133_vlans,
.num_devices = ARRAY_SIZE(rb1xx_devices),
.devices = rb1xx_devices,
+ .pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
+ .pci_irq_map = rb1xx_pci_irqs,
};
static struct adm5120_board rb133c_board __initdata = {
static struct adm5120_board rb150_board __initdata = {
.mach_type = MACH_ADM5120_RB_150,
.name = "Mikrotik RouterBOARD 150",
- .board_setup = rb1xx_setup,
+ .board_setup = rb150_setup,
.eth_num_ports = 5,
.eth_vlans = rb15x_vlans,
- .num_devices = ARRAY_SIZE(rb150_devices),
- .devices = rb150_devices,
+ .num_devices = ARRAY_SIZE(rb1xx_devices),
+ .devices = rb1xx_devices,
};
static struct adm5120_board rb153_board __initdata = {
.board_setup = rb1xx_setup,
.eth_num_ports = 5,
.eth_vlans = rb15x_vlans,
- .num_devices = ARRAY_SIZE(rb1xx_devices),
- .devices = rb1xx_devices,
+ .num_devices = ARRAY_SIZE(rb153_devices),
+ .devices = rb153_devices,
.pci_nr_irqs = ARRAY_SIZE(rb1xx_pci_irqs),
.pci_irq_map = rb1xx_pci_irqs,
};
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