projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/arch/arm/mach-sa1100/cerf.c | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License version 2 as | |
| 6 | * published by the Free Software Foundation. | |
| 7 | * | |
| 8 | * Apr-2003 : Removed some old PDA crud [FB] | |
| 9 | * Oct-2003 : Added uart2 resource [FB] | |
| 10 | * Jan-2004 : Removed io map for flash [FB] | |
| 11 | */ | |
| 12 | ||
| 1da177e4 LT |
13 | #include <linux/init.h> |
| 14 | #include <linux/kernel.h> | |
| 15 | #include <linux/tty.h> | |
| d052d1be | 16 | #include <linux/platform_device.h> |
| 119c641c | 17 | #include <linux/irq.h> |
| 1da177e4 LT |
18 | #include <linux/mtd/mtd.h> |
| 19 | #include <linux/mtd/partitions.h> | |
| 20 | ||
| a09e64fb | 21 | #include <mach/hardware.h> |
| 1da177e4 LT |
22 | #include <asm/setup.h> |
| 23 | ||
| 24 | #include <asm/mach-types.h> | |
| 25 | #include <asm/mach/arch.h> | |
| 26 | #include <asm/mach/flash.h> | |
| 27 | #include <asm/mach/map.h> | |
| 28 | #include <asm/mach/serial_sa1100.h> | |
| 29 | ||
| a09e64fb RK |
30 | #include <mach/cerf.h> |
| 31 | #include <mach/mcp.h> | |
| f314f33b | 32 | #include <mach/irqs.h> |
| 1da177e4 LT |
33 | #include "generic.h" |
| 34 | ||
| 35 | static struct resource cerfuart2_resources[] = { | |
| a181099e | 36 | [0] = DEFINE_RES_MEM(0x80030000, SZ_64K), |
| 1da177e4 LT |
37 | }; |
| 38 | ||
| 39 | static struct platform_device cerfuart2_device = { | |
| 40 | .name = "sa11x0-uart", | |
| 41 | .id = 2, | |
| 42 | .num_resources = ARRAY_SIZE(cerfuart2_resources), | |
| 43 | .resource = cerfuart2_resources, | |
| 44 | }; | |
| 45 | ||
| 46 | static struct platform_device *cerf_devices[] __initdata = { | |
| 47 | &cerfuart2_device, | |
| 48 | }; | |
| 49 | ||
| 50 | #ifdef CONFIG_SA1100_CERF_FLASH_32MB | |
| 51 | # define CERF_FLASH_SIZE 0x02000000 | |
| 52 | #elif defined CONFIG_SA1100_CERF_FLASH_16MB | |
| 53 | # define CERF_FLASH_SIZE 0x01000000 | |
| 54 | #elif defined CONFIG_SA1100_CERF_FLASH_8MB | |
| 55 | # define CERF_FLASH_SIZE 0x00800000 | |
| 56 | #else | |
| 57 | # error "Undefined flash size for CERF" | |
| 58 | #endif | |
| 59 | ||
| 60 | static struct mtd_partition cerf_partitions[] = { | |
| 61 | { | |
| 62 | .name = "Bootloader", | |
| 63 | .size = 0x00020000, | |
| 64 | .offset = 0x00000000, | |
| 65 | }, { | |
| 66 | .name = "Params", | |
| 67 | .size = 0x00040000, | |
| 68 | .offset = 0x00020000, | |
| 69 | }, { | |
| 70 | .name = "Kernel", | |
| 71 | .size = 0x00100000, | |
| 72 | .offset = 0x00060000, | |
| 73 | }, { | |
| 74 | .name = "Filesystem", | |
| 75 | .size = CERF_FLASH_SIZE-0x00160000, | |
| 76 | .offset = 0x00160000, | |
| 77 | } | |
| 78 | }; | |
| 79 | ||
| 80 | static struct flash_platform_data cerf_flash_data = { | |
| 81 | .map_name = "cfi_probe", | |
| 82 | .parts = cerf_partitions, | |
| 83 | .nr_parts = ARRAY_SIZE(cerf_partitions), | |
| 84 | }; | |
| 85 | ||
| a181099e RK |
86 | static struct resource cerf_flash_resource = |
| 87 | DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M); | |
| 1da177e4 LT |
88 | |
| 89 | static void __init cerf_init_irq(void) | |
| 90 | { | |
| 91 | sa1100_init_irq(); | |
| 6845664a | 92 | irq_set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING); |
| 1da177e4 LT |
93 | } |
| 94 | ||
| 95 | static struct map_desc cerf_io_desc[] __initdata = { | |
| 92519d82 DS |
96 | { /* Crystal Ethernet Chip */ |
| 97 | .virtual = 0xf0000000, | |
| 98 | .pfn = __phys_to_pfn(0x08000000), | |
| 99 | .length = 0x00100000, | |
| 100 | .type = MT_DEVICE | |
| 101 | } | |
| 1da177e4 LT |
102 | }; |
| 103 | ||
| 104 | static void __init cerf_map_io(void) | |
| 105 | { | |
| 106 | sa1100_map_io(); | |
| 107 | iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc)); | |
| 108 | ||
| 109 | sa1100_register_uart(0, 3); | |
| 110 | sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */ | |
| 111 | sa1100_register_uart(2, 1); | |
| 112 | ||
| 113 | /* set some GPDR bits here while it's safe */ | |
| 114 | GPDR |= CERF_GPIO_CF_RESET; | |
| 115 | } | |
| 116 | ||
| 323cdfc1 RK |
117 | static struct mcp_plat_data cerf_mcp_data = { |
| 118 | .mccr0 = MCCR0_ADM, | |
| 119 | .sclk_rate = 11981000, | |
| 120 | }; | |
| 121 | ||
| 1da177e4 LT |
122 | static void __init cerf_init(void) |
| 123 | { | |
| e36e26a8 | 124 | sa11x0_ppc_configure_mcp(); |
| 1da177e4 | 125 | platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices)); |
| 7a5b4e16 RK |
126 | sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1); |
| 127 | sa11x0_register_mcp(&cerf_mcp_data); | |
| 1da177e4 LT |
128 | } |
| 129 | ||
| 130 | MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube") | |
| e9dea0c6 | 131 | /* Maintainer: support@intrinsyc.com */ |
| e9dea0c6 | 132 | .map_io = cerf_map_io, |
| f314f33b | 133 | .nr_irqs = SA1100_NR_IRQS, |
| e9dea0c6 | 134 | .init_irq = cerf_init_irq, |
| 1da177e4 LT |
135 | .timer = &sa1100_timer, |
| 136 | .init_machine = cerf_init, | |
| d9ca5839 | 137 | .restart = sa11x0_restart, |
| 1da177e4 | 138 | MACHINE_END |