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/*
* 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/platform_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 = {
{ /* Epson registers */
.virtual = 0xf0000000,
.pfn = __phys_to_pfn(0x48000000),
.length = 0x00100000,
.type = MT_DEVICE
}, { /* Epson frame buffer */
.virtual = 0xf1000000,
.pfn = __phys_to_pfn(0x48200000),
.length = 0x00100000,
.type = MT_DEVICE
}, { /* SA-1111 */
.virtual = 0xf4000000,
.pfn = __phys_to_pfn(0x40000000),
.length = 0x00100000,
.type = MT_DEVICE
}
};
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")
/* Maintainer: Michael Gernoth <michael@gernoth.net> */
.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
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