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

• Lines: 95
• Date: Sun Aug 12 11:13:59 2001
• Orig file: v2.4.8/linux/arch/arm/mach-sa1100/yopy.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.8/linux/arch/arm/mach-sa1100/yopy.c linux/arch/arm/mach-sa1100/yopy.c
@@ -0,0 +1,94 @@
+/*
+ * linux/arch/arm/mach-sa1100/yopy.c
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/tty.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"
+
+
+static spinlock_t egpio_lock = SPIN_LOCK_UNLOCKED;
+
+static unsigned long yopy_egpio =
+	GPIO_MASK(GPIO_CF_RESET) |
+	GPIO_MASK(GPIO_CLKDIV_CLR1) | GPIO_MASK(GPIO_CLKDIV_CLR2) |
+	GPIO_MASK(GPIO_SPEAKER_MUTE) | GPIO_MASK(GPIO_AUDIO_OPAMP_POWER);
+
+int yopy_gpio_test(unsigned int gpio)
+{
+	return ((yopy_egpio & (1 << gpio)) != 0);
+}
+
+void yopy_gpio_set(unsigned int gpio, int level)
+{
+	unsigned long flags, mask;
+
+	mask = 1 << gpio;
+
+	spin_lock_irqsave(&egpio_lock, flags);
+
+	if (level)
+		yopy_egpio |= mask;
+	else
+		yopy_egpio &= ~mask;
+	YOPY_EGPIO = yopy_egpio;
+
+	spin_unlock_irqrestore(&egpio_lock, flags);
+}
+
+EXPORT_SYMBOL(yopy_gpio_test);
+EXPORT_SYMBOL(yopy_gpio_set);
+
+static int __init yopy_hw_init(void)
+{
+	YOPY_EGPIO = yopy_egpio;
+
+	/* Enable Output */
+	PPDR |= PPC_L_BIAS;
+	PSDR &= ~PPC_L_BIAS;
+	PPSR |= PPC_L_BIAS;
+
+	YOPY_EGPIO = yopy_egpio;
+
+	return 0;
+}
+
+__initcall(yopy_hw_init);
+
+
+static struct map_desc yopy_io_desc[] __initdata = {
+ /* virtual     physical    length      domain     r  w  c  b */
+  { 0xe8000000, 0x00000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash 0 */
+  { 0xec000000, 0x08000000, 0x04000000, DOMAIN_IO, 1, 1, 0, 0 }, /* Flash 1 */
+  { 0xf0000000, 0x48000000, 0x00300000, DOMAIN_IO, 1, 1, 0, 0 }, /* LCD */
+  { 0xf1000000, 0x10000000, 0x00100000, DOMAIN_IO, 0, 1, 0, 0 }, /* EGPIO */
+  LAST_DESC
+};
+
+static void __init yopy_map_io(void)
+{
+	sa1100_map_io();
+	iotable_init(yopy_io_desc);
+
+	sa1100_register_uart(0, 3);
+}
+
+
+MACHINE_START(YOPY, "Yopy")
+	MAINTAINER("G.Mate, Inc.")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+	BOOT_PARAMS(0xc0000100)
+	MAPIO(yopy_map_io)
+	INITIRQ(sa1100_init_irq)
+MACHINE_END