Viewing file:  jornada720.c (2.4 KB) -rw-r--r--
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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 <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/serial_sa1100.h>
#include "generic.h"
#include "sa1111.h"
#define JORTUCR_VAL 0x20000400
#define JORSKCR_INIT 0x00002081 /* Turn off VCO to enable PLL, set Ready En and enable nOE assertion from DC */
#define JORSKCR_RCLK 0x00002083 /* Add turning on RCLK to above */
#define JORSKCR_VAL 0x0000001B /* sets the 1101 control register to on */
static int __init jornada720_init(void)
{
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);
SKCR = JORSKCR_INIT; /* Turn on the PLL, enable Ready and enable nOE assertion from DC */
mdelay(100);
SKCR = JORSKCR_RCLK; /* turn on the RCLOCK */
SMCR = 0x35; /* initialize the SMC (debug SA-1111 reset */
PCCR = 0; /* initialize the S2MC (debug SA-1111 reset) */
/* LDD4 is speaker, LDD3 is microphone */
PPSR &= ~(PPC_LDD3 | PPC_LDD4);
PPDR |= PPC_LDD3 | PPC_LDD4;
/* initialize extra IRQs */
set_GPIO_IRQ_edge(GPIO_GPIO(1), GPIO_RISING_EDGE);
sa1111_init_irq(SA1100_GPIO_TO_IRQ(1)); /* chained on GPIO 1 */
sa1100_register_uart(0, 3);
sa1100_register_uart(1, 1);
return 0;
}
__initcall(jornada720_init);
static void __init
fixup_jornada720(struct machine_desc *desc, struct param_struct *params,
char **cmdline, struct meminfo *mi)
{
SET_BANK( 0, 0xc0000000, 32*1024*1024 );
mi->nr_banks = 1;
}
static struct map_desc jornada720_io_desc[] __initdata = {
/* virtual physical length domain r w c b */
{ 0xe8000000, 0x00000000, 0x02000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash bank 0 */
{ 0xf0000000, 0x48000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* Epson registers */
{ 0xf1000000, 0x48200000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* Epson frame buffer */
{ 0xf4000000, 0x40000000, 0x00100000, DOMAIN_IO, 1, 1, 0, 0 }, /* SA-1111 */
LAST_DESC
};
static void __init jornada720_map_io(void)
{
sa1100_map_io();
iotable_init(jornada720_io_desc);
}
MACHINE_START(JORNADA720, "HP Jornada 720")
BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
BOOT_PARAMS(0xc0000100)
FIXUP(fixup_jornada720)
MAPIO(jornada720_map_io)
INITIRQ(sa1100_init_irq)
MACHINE_END
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