1/* 2 * linux/arch/arm/mach-sa1100/pleb.c 3 */ 4 5#include <linux/init.h> 6#include <linux/kernel.h> 7#include <linux/tty.h> 8#include <linux/ioport.h> 9#include <linux/platform_device.h> 10#include <linux/irq.h> 11#include <linux/io.h> 12#include <linux/mtd/partitions.h> 13 14#include <mach/hardware.h> 15#include <asm/setup.h> 16#include <asm/mach-types.h> 17 18#include <asm/mach/arch.h> 19#include <asm/mach/map.h> 20#include <asm/mach/flash.h> 21#include <asm/mach/serial_sa1100.h> 22#include <mach/irqs.h> 23 24#include "generic.h" 25 26 27/* 28 * Ethernet IRQ mappings 29 */ 30 31#define PLEB_ETH0_P (0x20000300) /* Ethernet 0 in PCMCIA0 IO */ 32#define PLEB_ETH0_V (0xf6000300) 33 34#define GPIO_ETH0_IRQ GPIO_GPIO(21) 35#define GPIO_ETH0_EN GPIO_GPIO(26) 36 37#define IRQ_GPIO_ETH0_IRQ IRQ_GPIO21 38 39static struct resource smc91x_resources[] = { 40 [0] = { 41 .start = PLEB_ETH0_P, 42 .end = PLEB_ETH0_P | 0x03ffffff, 43 .flags = IORESOURCE_MEM, 44 }, 45}; 46 47 48static struct platform_device smc91x_device = { 49 .name = "smc91x", 50 .id = 0, 51 .num_resources = ARRAY_SIZE(smc91x_resources), 52 .resource = smc91x_resources, 53}; 54 55static struct platform_device *devices[] __initdata = { 56 &smc91x_device, 57}; 58 59 60/* 61 * Pleb's memory map 62 * has flash memory (typically 4 or 8 meg) selected by 63 * the two SA1100 lowest chip select outputs. 64 */ 65static struct resource pleb_flash_resources[] = { 66 [0] = { 67 .start = SA1100_CS0_PHYS, 68 .end = SA1100_CS0_PHYS + SZ_8M - 1, 69 .flags = IORESOURCE_MEM, 70 }, 71 [1] = { 72 .start = SA1100_CS1_PHYS, 73 .end = SA1100_CS1_PHYS + SZ_8M - 1, 74 .flags = IORESOURCE_MEM, 75 } 76}; 77 78 79static struct mtd_partition pleb_partitions[] = { 80 { 81 .name = "blob", 82 .offset = 0, 83 .size = 0x00020000, 84 }, { 85 .name = "kernel", 86 .offset = MTDPART_OFS_APPEND, 87 .size = 0x000e0000, 88 }, { 89 .name = "rootfs", 90 .offset = MTDPART_OFS_APPEND, 91 .size = 0x00300000, 92 } 93}; 94 95 96static struct flash_platform_data pleb_flash_data = { 97 .map_name = "cfi_probe", 98 .parts = pleb_partitions, 99 .nr_parts = ARRAY_SIZE(pleb_partitions), 100}; 101 102 103static void __init pleb_init(void) 104{ 105 sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources, 106 ARRAY_SIZE(pleb_flash_resources)); 107 108 109 platform_add_devices(devices, ARRAY_SIZE(devices)); 110} 111 112 113static void __init pleb_map_io(void) 114{ 115 sa1100_map_io(); 116 117 sa1100_register_uart(0, 3); 118 sa1100_register_uart(1, 1); 119 120 GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD); 121 GPDR |= GPIO_UART_TXD; 122 GPDR &= ~GPIO_UART_RXD; 123 PPAR |= PPAR_UPR; 124 125 /* 126 * Fix expansion memory timing for network card 127 */ 128 MECR = ((2<<10) | (2<<5) | (2<<0)); 129 130 /* 131 * Enable the SMC ethernet controller 132 */ 133 GPDR |= GPIO_ETH0_EN; /* set to output */ 134 GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */ 135 136 GPDR &= ~GPIO_ETH0_IRQ; 137 138 set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING); 139} 140 141MACHINE_START(PLEB, "PLEB") 142 .phys_io = 0x80000000, 143 .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, 144 .map_io = pleb_map_io, 145 .init_irq = sa1100_init_irq, 146 .timer = &sa1100_timer, 147 .init_machine = pleb_init, 148MACHINE_END 149