You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
183 lines
3.9 KiB
183 lines
3.9 KiB
/*
|
|
* 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 <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.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/flash.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);
|
|
}
|
|
|
|
static struct mtd_partition jornada720_partitions[] = {
|
|
{
|
|
.name = "JORNADA720 boot firmware",
|
|
.size = 0x00040000,
|
|
.offset = 0,
|
|
.mask_flags = MTD_WRITEABLE, /* force read-only */
|
|
}, {
|
|
.name = "JORNADA720 kernel",
|
|
.size = 0x000c0000,
|
|
.offset = 0x00040000,
|
|
}, {
|
|
.name = "JORNADA720 params",
|
|
.size = 0x00040000,
|
|
.offset = 0x00100000,
|
|
}, {
|
|
.name = "JORNADA720 initrd",
|
|
.size = 0x00100000,
|
|
.offset = 0x00140000,
|
|
}, {
|
|
.name = "JORNADA720 root cramfs",
|
|
.size = 0x00300000,
|
|
.offset = 0x00240000,
|
|
}, {
|
|
.name = "JORNADA720 usr cramfs",
|
|
.size = 0x00800000,
|
|
.offset = 0x00540000,
|
|
}, {
|
|
.name = "JORNADA720 usr local",
|
|
.size = 0, /* will expand to the end of the flash */
|
|
.offset = 0x00d00000,
|
|
}
|
|
};
|
|
|
|
static void jornada720_set_vpp(int vpp)
|
|
{
|
|
if (vpp)
|
|
PPSR |= 0x80;
|
|
else
|
|
PPSR &= ~0x80;
|
|
PPDR |= 0x80;
|
|
}
|
|
|
|
static struct flash_platform_data jornada720_flash_data = {
|
|
.map_name = "cfi_probe",
|
|
.set_vpp = jornada720_set_vpp,
|
|
.parts = jornada720_partitions,
|
|
.nr_parts = ARRAY_SIZE(jornada720_partitions),
|
|
};
|
|
|
|
static struct resource jornada720_flash_resource = {
|
|
.start = SA1100_CS0_PHYS,
|
|
.end = SA1100_CS0_PHYS + SZ_32M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static void __init jornada720_mach_init(void)
|
|
{
|
|
sa11x0_set_flash_data(&jornada720_flash_data, &jornada720_flash_resource, 1);
|
|
}
|
|
|
|
MACHINE_START(JORNADA720, "HP Jornada 720")
|
|
/* Maintainer: Michael Gernoth <michael@gernoth.net> */
|
|
.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,
|
|
.init_machine = jornada720_mach_init,
|
|
MACHINE_END
|
|
|