diff options
Diffstat (limited to 'target/linux/adm5120/files-3.18/arch/mips/adm5120/mikrotik/rb-1xx.c')
| -rw-r--r-- | target/linux/adm5120/files-3.18/arch/mips/adm5120/mikrotik/rb-1xx.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/target/linux/adm5120/files-3.18/arch/mips/adm5120/mikrotik/rb-1xx.c b/target/linux/adm5120/files-3.18/arch/mips/adm5120/mikrotik/rb-1xx.c new file mode 100644 index 0000000..8961115 --- /dev/null +++ b/target/linux/adm5120/files-3.18/arch/mips/adm5120/mikrotik/rb-1xx.c @@ -0,0 +1,149 @@ +/* + * Mikrotik RouterBOARD 1xx series support + * + * Copyright (C) 2007-2008 Gabor Juhos <juhosg@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> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + */ + +#include "rb-1xx.h" + +#define RB1XX_NAND_CHIP_DELAY 25 + +#define RB1XX_KEYS_POLL_INTERVAL 20 +#define RB1XX_KEYS_DEBOUNCE_INTERVAL (3 * RB1XX_KEYS_POLL_INTERVAL) + +static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = { + PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0), + PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1), + PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2) +}; + +static struct mtd_partition rb1xx_nor_parts[] = { + { + .name = "booter", + .offset = 0, + .size = 64*1024, + .mask_flags = MTD_WRITEABLE, + } , { + .name = "firmware", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + } +}; + +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 + } +}; + +/* + * 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 int rb1xx_nand_fixup(struct mtd_info *mtd) +{ + struct nand_chip *chip = mtd->priv; + + if (mtd->writesize == 512) + chip->ecc.layout = &rb1xx_nand_ecclayout; + + return 0; +} + +struct platform_nand_data rb1xx_nand_data __initdata = { + .chip = { + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(rb1xx_nand_parts), + .partitions = rb1xx_nand_parts, + .chip_delay = RB1XX_NAND_CHIP_DELAY, + .chip_fixup = rb1xx_nand_fixup, + }, +}; + +struct gpio_keys_button rb1xx_gpio_buttons[] __initdata = { + { + .desc = "reset_button", + .type = EV_KEY, + .code = KEY_RESTART, + .debounce_interval = RB1XX_KEYS_DEBOUNCE_INTERVAL, + .gpio = ADM5120_GPIO_PIN7, + } +}; + +static void __init rb1xx_mac_setup(void) +{ + if (rb_hs.mac_base != NULL && is_valid_ether_addr(rb_hs.mac_base)) { + adm5120_setup_eth_macs(rb_hs.mac_base); + } else { + u8 mac[ETH_ALEN]; + + random_ether_addr(mac); + adm5120_setup_eth_macs(mac); + } +} + +void __init rb1xx_add_device_flash(void) +{ + /* setup data for flash0 device */ + adm5120_flash0_data.nr_parts = ARRAY_SIZE(rb1xx_nor_parts); + adm5120_flash0_data.parts = rb1xx_nor_parts; + adm5120_flash0_data.window_size = 128*1024; + + adm5120_add_device_flash(0); +} + +void __init rb1xx_add_device_nand(void) +{ + /* enable NAND flash interface */ + adm5120_nand_enable(); + + /* initialize NAND chip */ + adm5120_nand_set_spn(1); + adm5120_nand_set_wpn(0); + + adm5120_add_device_nand(&rb1xx_nand_data); +} + +void __init rb1xx_generic_setup(void) +{ + if (adm5120_package_bga()) + adm5120_pci_set_irq_map(ARRAY_SIZE(rb1xx_pci_irqs), + rb1xx_pci_irqs); + + adm5120_add_device_uart(0); + adm5120_add_device_uart(1); + + adm5120_register_gpio_buttons(-1, RB1XX_KEYS_POLL_INTERVAL, + ARRAY_SIZE(rb1xx_gpio_buttons), + rb1xx_gpio_buttons); + + rb1xx_add_device_flash(); + rb1xx_mac_setup(); +} |