/* * $Id$ * * Mikrotik RouterBOARD 1xx series * * Copyright (C) 2007 OpenWrt.org * Copyright (C) 2007 Gabor Juhos * * 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 * Copyright (C) 2007 Florian Fainelli * 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 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. * */ #include #include #include #include #include #include #include #include #include #include #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(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 } }; static struct platform_device *rb1xx_devices[] __initdata = { &adm5120_flash0_device, &adm5120_nand_device, }; /* * 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 struct resource rb150_nand_resource[] = { [0] = { .start = RB150_NAND_BASE, .end = RB150_NAND_BASE + RB150_NAND_SIZE-1, .flags = IORESOURCE_MEM, }, }; #if 0 /* * RB1xx boards have bad network performance with the default VLAN matrixes. * Disable it while the ethernet driver gets fixed. */ static unsigned char rb11x_vlans[6] __initdata = { /* FIXME: untested */ 0x41, 0x00, 0x00, 0x00, 0x00, 0x00 }; static unsigned char rb133_vlans[6] __initdata = { /* FIXME: untested */ 0x44, 0x42, 0x41, 0x00, 0x00, 0x00 }; static unsigned char rb133c_vlans[6] __initdata = { /* FIXME: untested */ 0x44, 0x00, 0x00, 0x00, 0x00, 0x00 }; static unsigned char rb15x_vlans[6] __initdata = { /* FIXME: untested */ 0x41, 0x42, 0x44, 0x48, 0x50, 0x00 static unsigned char rb192_vlans[6] __initdata = { /* FIXME: untested */ 0x41, 0x50, 0x48, 0x44, 0x42, 0x00 }; #else static unsigned char rb_vlans[6] __initdata = { 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00 }; #define rb11x_vlans rb_vlans #define rb133_vlans rb_vlans #define rb133c_vlans rb_vlans #define rb15x_vlans rb_vlans #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 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; rb1xx_flash_setup(); rb1xx_mac_setup(); } /*--------------------------------------------------------------------------*/ static struct adm5120_board rb111_board __initdata = { .mach_type = MACH_ADM5120_RB_111, .name = "Mikrotik RouterBOARD 111", .board_setup = rb1xx_setup, .eth_num_ports = 1, .eth_vlans = rb11x_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 rb112_board __initdata = { .mach_type = MACH_ADM5120_RB_112, .name = "Mikrotik RouterBOARD 112", .board_setup = rb1xx_setup, .eth_num_ports = 1, .eth_vlans = rb11x_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 rb133_board __initdata = { .mach_type = MACH_ADM5120_RB_133, .name = "Mikrotik RouterBOARD 133", .board_setup = rb1xx_setup, .eth_num_ports = 3, .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 = { .mach_type = MACH_ADM5120_RB_133C, .name = "Mikrotik RouterBOARD 133C", .board_setup = rb1xx_setup, .eth_num_ports = 1, .eth_vlans = rb133c_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 rb150_board __initdata = { .mach_type = MACH_ADM5120_RB_150, .name = "Mikrotik RouterBOARD 150", .board_setup = rb150_setup, .eth_num_ports = 5, .eth_vlans = rb15x_vlans, .num_devices = ARRAY_SIZE(rb1xx_devices), .devices = rb1xx_devices, }; static struct adm5120_board rb153_board __initdata = { .mach_type = MACH_ADM5120_RB_153, .name = "Mikrotik RouterBOARD 153", .board_setup = rb1xx_setup, .eth_num_ports = 5, .eth_vlans = rb15x_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 rb192_board __initdata = { .mach_type = MACH_ADM5120_RB_192, .name = "Mikrotik RouterBOARD 192", .board_setup = rb1xx_setup, .eth_num_ports = 5, .eth_vlans = rb192_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 int __init register_boards(void) { adm5120_board_register(&rb111_board); adm5120_board_register(&rb112_board); adm5120_board_register(&rb133_board); adm5120_board_register(&rb133c_board); adm5120_board_register(&rb150_board); adm5120_board_register(&rb153_board); adm5120_board_register(&rb192_board); return 0; } pure_initcall(register_boards);