/* * linux/arch/arm/mach-sa1100/jornada720.c */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/tty.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/ioport.h> #include <asm/hardware.h> #include <asm/hardware/sa1111.h> #include <asm/irq.h> #include <asm/mach-types.h> #include <asm/setup.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/serial_sa1100.h> #include "generic.h" #define JORTUCR_VAL 0x20000400 static struct resource sa1111_resources[] = { [0] = { .start = 0x40000000, .end = 0x40001fff, .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_GPIO1, .end = IRQ_GPIO1, .flags = IORESOURCE_IRQ, }, }; static u64 sa1111_dmamask = 0xffffffffUL; static struct platform_device sa1111_device = { .name = "sa1111", .id = 0, .dev = { .dma_mask = &sa1111_dmamask, .coherent_dma_mask = 0xffffffff, }, .num_resources = ARRAY_SIZE(sa1111_resources), .resource = sa1111_resources, }; static struct platform_device *devices[] __initdata = { &sa1111_device, }; static int __init jornada720_init(void) { int ret = -ENODEV; if (machine_is_jornada720()) { GPDR |= GPIO_GPIO20; TUCR = JORTUCR_VAL; /* set the oscillator out to the SA-1101 */ GPSR = GPIO_GPIO20; udelay(1); GPCR = GPIO_GPIO20; udelay(1); GPSR = GPIO_GPIO20; udelay(20); /* LDD4 is speaker, LDD3 is microphone */ PPSR &= ~(PPC_LDD3 | PPC_LDD4); PPDR |= PPC_LDD3 | PPC_LDD4; ret = platform_add_devices(devices, ARRAY_SIZE(devices)); } return ret; } arch_initcall(jornada720_init); static struct map_desc jornada720_io_desc[] __initdata = { /* virtual physical length type */ { 0xf0000000, 0x48000000, 0x00100000, MT_DEVICE }, /* Epson registers */ { 0xf1000000, 0x48200000, 0x00100000, MT_DEVICE }, /* Epson frame buffer */ { 0xf4000000, 0x40000000, 0x00100000, MT_DEVICE } /* SA-1111 */ }; static void __init jornada720_map_io(void) { sa1100_map_io(); iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc)); sa1100_register_uart(0, 3); sa1100_register_uart(1, 1); } MACHINE_START(JORNADA720, "HP Jornada 720") .phys_ram = 0xc0000000, .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, .map_io = jornada720_map_io, .init_irq = sa1100_init_irq, .timer = &sa1100_timer, MACHINE_END