Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-sa1100/jornada720.c |
| 3 | */ |
| 4 | |
| 5 | #include <linux/init.h> |
| 6 | #include <linux/kernel.h> |
| 7 | #include <linux/tty.h> |
| 8 | #include <linux/delay.h> |
Russell King | d052d1b | 2005-10-29 19:07:23 +0100 | [diff] [blame] | 9 | #include <linux/platform_device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | #include <linux/ioport.h> |
Russell King | 183e1a3 | 2005-10-29 16:09:59 +0100 | [diff] [blame] | 11 | #include <linux/mtd/mtd.h> |
| 12 | #include <linux/mtd/partitions.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | |
| 14 | #include <asm/hardware.h> |
| 15 | #include <asm/hardware/sa1111.h> |
| 16 | #include <asm/irq.h> |
| 17 | #include <asm/mach-types.h> |
| 18 | #include <asm/setup.h> |
| 19 | |
| 20 | #include <asm/mach/arch.h> |
Russell King | 183e1a3 | 2005-10-29 16:09:59 +0100 | [diff] [blame] | 21 | #include <asm/mach/flash.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <asm/mach/map.h> |
| 23 | #include <asm/mach/serial_sa1100.h> |
| 24 | |
| 25 | #include "generic.h" |
| 26 | |
| 27 | |
| 28 | #define JORTUCR_VAL 0x20000400 |
| 29 | |
| 30 | static struct resource sa1111_resources[] = { |
| 31 | [0] = { |
| 32 | .start = 0x40000000, |
| 33 | .end = 0x40001fff, |
| 34 | .flags = IORESOURCE_MEM, |
| 35 | }, |
| 36 | [1] = { |
| 37 | .start = IRQ_GPIO1, |
| 38 | .end = IRQ_GPIO1, |
| 39 | .flags = IORESOURCE_IRQ, |
| 40 | }, |
| 41 | }; |
| 42 | |
| 43 | static u64 sa1111_dmamask = 0xffffffffUL; |
| 44 | |
| 45 | static struct platform_device sa1111_device = { |
| 46 | .name = "sa1111", |
| 47 | .id = 0, |
| 48 | .dev = { |
| 49 | .dma_mask = &sa1111_dmamask, |
| 50 | .coherent_dma_mask = 0xffffffff, |
| 51 | }, |
| 52 | .num_resources = ARRAY_SIZE(sa1111_resources), |
| 53 | .resource = sa1111_resources, |
| 54 | }; |
| 55 | |
| 56 | static struct platform_device *devices[] __initdata = { |
| 57 | &sa1111_device, |
| 58 | }; |
| 59 | |
| 60 | static int __init jornada720_init(void) |
| 61 | { |
| 62 | int ret = -ENODEV; |
| 63 | |
| 64 | if (machine_is_jornada720()) { |
| 65 | GPDR |= GPIO_GPIO20; |
| 66 | TUCR = JORTUCR_VAL; /* set the oscillator out to the SA-1101 */ |
| 67 | |
| 68 | GPSR = GPIO_GPIO20; |
| 69 | udelay(1); |
| 70 | GPCR = GPIO_GPIO20; |
| 71 | udelay(1); |
| 72 | GPSR = GPIO_GPIO20; |
| 73 | udelay(20); |
| 74 | |
| 75 | /* LDD4 is speaker, LDD3 is microphone */ |
| 76 | PPSR &= ~(PPC_LDD3 | PPC_LDD4); |
| 77 | PPDR |= PPC_LDD3 | PPC_LDD4; |
| 78 | |
| 79 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 80 | } |
| 81 | return ret; |
| 82 | } |
| 83 | |
| 84 | arch_initcall(jornada720_init); |
| 85 | |
| 86 | static struct map_desc jornada720_io_desc[] __initdata = { |
Deepak Saxena | 92519d8 | 2005-10-28 15:19:04 +0100 | [diff] [blame] | 87 | { /* Epson registers */ |
| 88 | .virtual = 0xf0000000, |
| 89 | .pfn = __phys_to_pfn(0x48000000), |
| 90 | .length = 0x00100000, |
| 91 | .type = MT_DEVICE |
| 92 | }, { /* Epson frame buffer */ |
| 93 | .virtual = 0xf1000000, |
| 94 | .pfn = __phys_to_pfn(0x48200000), |
| 95 | .length = 0x00100000, |
| 96 | .type = MT_DEVICE |
| 97 | }, { /* SA-1111 */ |
| 98 | .virtual = 0xf4000000, |
| 99 | .pfn = __phys_to_pfn(0x40000000), |
| 100 | .length = 0x00100000, |
| 101 | .type = MT_DEVICE |
| 102 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | }; |
| 104 | |
| 105 | static void __init jornada720_map_io(void) |
| 106 | { |
| 107 | sa1100_map_io(); |
| 108 | iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc)); |
| 109 | |
| 110 | sa1100_register_uart(0, 3); |
| 111 | sa1100_register_uart(1, 1); |
| 112 | } |
| 113 | |
Russell King | 183e1a3 | 2005-10-29 16:09:59 +0100 | [diff] [blame] | 114 | static struct mtd_partition jornada720_partitions[] = { |
| 115 | { |
| 116 | .name = "JORNADA720 boot firmware", |
| 117 | .size = 0x00040000, |
| 118 | .offset = 0, |
| 119 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 120 | }, { |
| 121 | .name = "JORNADA720 kernel", |
| 122 | .size = 0x000c0000, |
| 123 | .offset = 0x00040000, |
| 124 | }, { |
| 125 | .name = "JORNADA720 params", |
| 126 | .size = 0x00040000, |
| 127 | .offset = 0x00100000, |
| 128 | }, { |
| 129 | .name = "JORNADA720 initrd", |
| 130 | .size = 0x00100000, |
| 131 | .offset = 0x00140000, |
| 132 | }, { |
| 133 | .name = "JORNADA720 root cramfs", |
| 134 | .size = 0x00300000, |
| 135 | .offset = 0x00240000, |
| 136 | }, { |
| 137 | .name = "JORNADA720 usr cramfs", |
| 138 | .size = 0x00800000, |
| 139 | .offset = 0x00540000, |
| 140 | }, { |
| 141 | .name = "JORNADA720 usr local", |
| 142 | .size = 0, /* will expand to the end of the flash */ |
| 143 | .offset = 0x00d00000, |
| 144 | } |
| 145 | }; |
| 146 | |
| 147 | static void jornada720_set_vpp(int vpp) |
| 148 | { |
| 149 | if (vpp) |
| 150 | PPSR |= 0x80; |
| 151 | else |
| 152 | PPSR &= ~0x80; |
| 153 | PPDR |= 0x80; |
| 154 | } |
| 155 | |
| 156 | static struct flash_platform_data jornada720_flash_data = { |
| 157 | .map_name = "cfi_probe", |
| 158 | .set_vpp = jornada720_set_vpp, |
| 159 | .parts = jornada720_partitions, |
| 160 | .nr_parts = ARRAY_SIZE(jornada720_partitions), |
| 161 | }; |
| 162 | |
| 163 | static struct resource jornada720_flash_resource = { |
| 164 | .start = SA1100_CS0_PHYS, |
| 165 | .end = SA1100_CS0_PHYS + SZ_32M - 1, |
| 166 | .flags = IORESOURCE_MEM, |
| 167 | }; |
| 168 | |
| 169 | static void __init jornada720_mach_init(void) |
| 170 | { |
| 171 | sa11x0_set_flash_data(&jornada720_flash_data, &jornada720_flash_resource, 1); |
| 172 | } |
| 173 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | MACHINE_START(JORNADA720, "HP Jornada 720") |
Michael Gernoth | c80f90b | 2005-08-04 20:43:40 +0100 | [diff] [blame] | 175 | /* Maintainer: Michael Gernoth <michael@gernoth.net> */ |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 176 | .phys_io = 0x80000000, |
| 177 | .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, |
| 178 | .boot_params = 0xc0000100, |
| 179 | .map_io = jornada720_map_io, |
| 180 | .init_irq = sa1100_init_irq, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | .timer = &sa1100_timer, |
Russell King | 183e1a3 | 2005-10-29 16:09:59 +0100 | [diff] [blame] | 182 | .init_machine = jornada720_mach_init, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | MACHINE_END |