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_data/sa11x0-serial.h> 10#include <linux/platform_device.h> 11#include <linux/irq.h> 12#include <linux/io.h> 13#include <linux/mtd/partitions.h> 14 15#include <mach/hardware.h> 16#include <asm/setup.h> 17#include <asm/mach-types.h> 18 19#include <asm/mach/arch.h> 20#include <asm/mach/map.h> 21#include <asm/mach/flash.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] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000), 41#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */ 42 [1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ), 43#endif 44}; 45 46 47static struct platform_device smc91x_device = { 48 .name = "smc91x", 49 .id = 0, 50 .num_resources = ARRAY_SIZE(smc91x_resources), 51 .resource = smc91x_resources, 52}; 53 54static struct platform_device *devices[] __initdata = { 55 &smc91x_device, 56}; 57 58 59/* 60 * Pleb's memory map 61 * has flash memory (typically 4 or 8 meg) selected by 62 * the two SA1100 lowest chip select outputs. 63 */ 64static struct resource pleb_flash_resources[] = { 65 [0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M), 66 [1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M), 67}; 68 69 70static struct mtd_partition pleb_partitions[] = { 71 { 72 .name = "blob", 73 .offset = 0, 74 .size = 0x00020000, 75 }, { 76 .name = "kernel", 77 .offset = MTDPART_OFS_APPEND, 78 .size = 0x000e0000, 79 }, { 80 .name = "rootfs", 81 .offset = MTDPART_OFS_APPEND, 82 .size = 0x00300000, 83 } 84}; 85 86 87static struct flash_platform_data pleb_flash_data = { 88 .map_name = "cfi_probe", 89 .parts = pleb_partitions, 90 .nr_parts = ARRAY_SIZE(pleb_partitions), 91}; 92 93 94static void __init pleb_init(void) 95{ 96 sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources, 97 ARRAY_SIZE(pleb_flash_resources)); 98 99 100 platform_add_devices(devices, ARRAY_SIZE(devices)); 101} 102 103 104static void __init pleb_map_io(void) 105{ 106 sa1100_map_io(); 107 108 sa1100_register_uart(0, 3); 109 sa1100_register_uart(1, 1); 110 111 GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD); 112 GPDR |= GPIO_UART_TXD; 113 GPDR &= ~GPIO_UART_RXD; 114 PPAR |= PPAR_UPR; 115 116 /* 117 * Fix expansion memory timing for network card 118 */ 119 MECR = ((2<<10) | (2<<5) | (2<<0)); 120 121 /* 122 * Enable the SMC ethernet controller 123 */ 124 GPDR |= GPIO_ETH0_EN; /* set to output */ 125 GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */ 126 127 GPDR &= ~GPIO_ETH0_IRQ; 128 129 irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING); 130} 131 132MACHINE_START(PLEB, "PLEB") 133 .map_io = pleb_map_io, 134 .nr_irqs = SA1100_NR_IRQS, 135 .init_irq = sa1100_init_irq, 136 .init_time = sa1100_timer_init, 137 .init_machine = pleb_init, 138 .init_late = sa11x0_init_late, 139 .restart = sa11x0_restart, 140MACHINE_END 141