patch-2.4.9 linux/arch/arm/mach-sa1100/jornada720.c

• Lines: 90
• Date: Sun Aug 12 11:13:59 2001
• Orig file: v2.4.8/linux/arch/arm/mach-sa1100/jornada720.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.8/linux/arch/arm/mach-sa1100/jornada720.c linux/arch/arm/mach-sa1100/jornada720.c
@@ -0,0 +1,89 @@
+/*
+ * 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 */
+	sa1111_init_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