| 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> |
| 9 | #include <linux/device.h> |
| 10 | #include <linux/ioport.h> |
| 11 | |
| 12 | #include <asm/hardware.h> |
| 13 | #include <asm/hardware/sa1111.h> |
| 14 | #include <asm/irq.h> |
| 15 | #include <asm/mach-types.h> |
| 16 | #include <asm/setup.h> |
| 17 | |
| 18 | #include <asm/mach/arch.h> |
| 19 | #include <asm/mach/map.h> |
| 20 | #include <asm/mach/serial_sa1100.h> |
| 21 | |
| 22 | #include "generic.h" |
| 23 | |
| 24 | |
| 25 | #define JORTUCR_VAL 0x20000400 |
| 26 | |
| 27 | static struct resource sa1111_resources[] = { |
| 28 | [0] = { |
| 29 | .start = 0x40000000, |
| 30 | .end = 0x40001fff, |
| 31 | .flags = IORESOURCE_MEM, |
| 32 | }, |
| 33 | [1] = { |
| 34 | .start = IRQ_GPIO1, |
| 35 | .end = IRQ_GPIO1, |
| 36 | .flags = IORESOURCE_IRQ, |
| 37 | }, |
| 38 | }; |
| 39 | |
| 40 | static u64 sa1111_dmamask = 0xffffffffUL; |
| 41 | |
| 42 | static struct platform_device sa1111_device = { |
| 43 | .name = "sa1111", |
| 44 | .id = 0, |
| 45 | .dev = { |
| 46 | .dma_mask = &sa1111_dmamask, |
| 47 | .coherent_dma_mask = 0xffffffff, |
| 48 | }, |
| 49 | .num_resources = ARRAY_SIZE(sa1111_resources), |
| 50 | .resource = sa1111_resources, |
| 51 | }; |
| 52 | |
| 53 | static struct platform_device *devices[] __initdata = { |
| 54 | &sa1111_device, |
| 55 | }; |
| 56 | |
| 57 | static int __init jornada720_init(void) |
| 58 | { |
| 59 | int ret = -ENODEV; |
| 60 | |
| 61 | if (machine_is_jornada720()) { |
| 62 | GPDR |= GPIO_GPIO20; |
| 63 | TUCR = JORTUCR_VAL; /* set the oscillator out to the SA-1101 */ |
| 64 | |
| 65 | GPSR = GPIO_GPIO20; |
| 66 | udelay(1); |
| 67 | GPCR = GPIO_GPIO20; |
| 68 | udelay(1); |
| 69 | GPSR = GPIO_GPIO20; |
| 70 | udelay(20); |
| 71 | |
| 72 | /* LDD4 is speaker, LDD3 is microphone */ |
| 73 | PPSR &= ~(PPC_LDD3 | PPC_LDD4); |
| 74 | PPDR |= PPC_LDD3 | PPC_LDD4; |
| 75 | |
| 76 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 77 | } |
| 78 | return ret; |
| 79 | } |
| 80 | |
| 81 | arch_initcall(jornada720_init); |
| 82 | |
| 83 | static struct map_desc jornada720_io_desc[] __initdata = { |
| 84 | /* virtual physical length type */ |
| 85 | { 0xf0000000, 0x48000000, 0x00100000, MT_DEVICE }, /* Epson registers */ |
| 86 | { 0xf1000000, 0x48200000, 0x00100000, MT_DEVICE }, /* Epson frame buffer */ |
| 87 | { 0xf4000000, 0x40000000, 0x00100000, MT_DEVICE } /* SA-1111 */ |
| 88 | }; |
| 89 | |
| 90 | static void __init jornada720_map_io(void) |
| 91 | { |
| 92 | sa1100_map_io(); |
| 93 | iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc)); |
| 94 | |
| 95 | sa1100_register_uart(0, 3); |
| 96 | sa1100_register_uart(1, 1); |
| 97 | } |
| 98 | |
| 99 | MACHINE_START(JORNADA720, "HP Jornada 720") |
| 100 | BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) |
| 101 | BOOT_PARAMS(0xc0000100) |
| 102 | MAPIO(jornada720_map_io) |
| 103 | INITIRQ(sa1100_init_irq) |
| 104 | .timer = &sa1100_timer, |
| 105 | MACHINE_END |