2 * Mikrotik RouterBOARD 1xx series support
4 * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
6 * NAND initialization code was based on a driver for Linux 2.6.19+ which
7 * was derived from the driver for Linux 2.4.xx published by Mikrotik for
8 * their RouterBoard 1xx and 5xx series boards.
9 * Copyright (C) 2007 David Goodenough <david.goodenough@linkchoose.co.uk>
10 * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License version 2 as published
14 * by the Free Software Foundation.
20 #define RB1XX_NAND_CHIP_DELAY 25
22 static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
23 PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0),
24 PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1),
25 PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2)
28 #ifdef CONFIG_MTD_PARTITIONS
29 static struct mtd_partition rb1xx_nor_parts[] = {
34 .mask_flags = MTD_WRITEABLE,
37 .offset = MTDPART_OFS_APPEND,
38 .size = MTDPART_SIZ_FULL,
42 static struct mtd_partition rb1xx_nand_parts[] = {
46 .size = 4 * 1024 * 1024,
49 .offset = MTDPART_OFS_NXTBLK,
50 .size = MTDPART_SIZ_FULL
53 #endif /* CONFIG_MTD_PARTITIONS */
56 * We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader
57 * will not be able to find the kernel that we load. So set the oobinfo
58 * when creating the partitions
60 static struct nand_ecclayout rb1xx_nand_ecclayout = {
62 .eccpos = { 8, 9, 10, 13, 14, 15 },
64 .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
67 /*--------------------------------------------------------------------------*/
69 static int rb1xx_nand_fixup(struct mtd_info *mtd)
71 struct nand_chip *chip = mtd->priv;
73 if (mtd->writesize == 512)
74 chip->ecc.layout = &rb1xx_nand_ecclayout;
79 struct platform_nand_data rb1xx_nand_data __initdata = {
82 #ifdef CONFIG_MTD_PARTITIONS
83 .nr_partitions = ARRAY_SIZE(rb1xx_nand_parts),
84 .partitions = rb1xx_nand_parts,
85 #endif /* CONFIG_MTD_PARTITIONS */
86 .chip_delay = RB1XX_NAND_CHIP_DELAY,
87 .options = NAND_NO_AUTOINCR,
88 .chip_fixup = rb1xx_nand_fixup,
92 struct gpio_button rb1xx_gpio_buttons[] __initdata = {
94 .desc = "reset_button",
98 .gpio = ADM5120_GPIO_PIN7,
102 static void __init rb1xx_mac_setup(void)
104 if (rb_hs.mac_base != NULL && is_valid_ether_addr(rb_hs.mac_base)) {
105 adm5120_setup_eth_macs(rb_hs.mac_base);
109 random_ether_addr(mac);
110 adm5120_setup_eth_macs(mac);
114 void __init rb1xx_add_device_flash(void)
116 /* setup data for flash0 device */
117 #ifdef CONFIG_MTD_PARTITIONS
118 adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_nor_parts);
119 adm5120_flash0_data.parts = rb1xx_nor_parts;
120 #endif /* CONFIG_MTD_PARTITIONS */
121 adm5120_flash0_data.window_size = 128*1024;
123 adm5120_add_device_flash(0);
126 void __init rb1xx_add_device_nand(void)
128 /* enable NAND flash interface */
129 adm5120_nand_enable();
131 /* initialize NAND chip */
132 adm5120_nand_set_spn(1);
133 adm5120_nand_set_wpn(0);
135 adm5120_add_device_nand(&rb1xx_nand_data);
138 void __init rb1xx_generic_setup(void)
140 if (adm5120_package_bga())
141 adm5120_pci_set_irq_map(ARRAY_SIZE(rb1xx_pci_irqs),
144 adm5120_add_device_gpio_buttons(ARRAY_SIZE(rb1xx_gpio_buttons),
147 rb1xx_add_device_flash();