summaryrefslogtreecommitdiff
path: root/arch/arm/mach-sa1100/simpad.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/arm/mach-sa1100/simpad.c
downloadconfigs-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.gz
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'arch/arm/mach-sa1100/simpad.c')
-rw-r--r--arch/arm/mach-sa1100/simpad.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
new file mode 100644
index 00000000000..8d113d62986
--- /dev/null
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -0,0 +1,224 @@
+/*
+ * linux/arch/arm/mach-sa1100/simpad.c
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/tty.h>
+#include <linux/proc_fs.h>
+#include <linux/string.h>
+#include <linux/pm.h>
+#include <linux/device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/irq.h>
+#include <asm/hardware.h>
+#include <asm/setup.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+#include <asm/mach/serial_sa1100.h>
+#include <asm/arch/simpad.h>
+
+#include <linux/serial_core.h>
+#include <linux/ioport.h>
+#include <asm/io.h>
+
+#include "generic.h"
+
+long cs3_shadow;
+
+long get_cs3_shadow(void)
+{
+ return cs3_shadow;
+}
+
+void set_cs3(long value)
+{
+ *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow = value;
+}
+
+void set_cs3_bit(int value)
+{
+ cs3_shadow |= value;
+ *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow;
+}
+
+void clear_cs3_bit(int value)
+{
+ cs3_shadow &= ~value;
+ *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow;
+}
+
+EXPORT_SYMBOL(set_cs3_bit);
+EXPORT_SYMBOL(clear_cs3_bit);
+
+static struct map_desc simpad_io_desc[] __initdata = {
+ /* virtual physical length type */
+ /* MQ200 */
+ { 0xf2800000, 0x4b800000, 0x00800000, MT_DEVICE },
+ /* Paules CS3, write only */
+ { 0xf1000000, 0x18000000, 0x00100000, MT_DEVICE },
+};
+
+
+static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
+{
+ if (port->mapbase == (u_int)&Ser1UTCR0) {
+ if (state)
+ {
+ clear_cs3_bit(RS232_ON);
+ clear_cs3_bit(DECT_POWER_ON);
+ }else
+ {
+ set_cs3_bit(RS232_ON);
+ set_cs3_bit(DECT_POWER_ON);
+ }
+ }
+}
+
+static struct sa1100_port_fns simpad_port_fns __initdata = {
+ .pm = simpad_uart_pm,
+};
+
+
+static struct mtd_partition simpad_partitions[] = {
+ {
+ .name = "SIMpad boot firmware",
+ .size = 0x00080000,
+ .offset = 0,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "SIMpad kernel",
+ .size = 0x0010000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "SIMpad root jffs2",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+
+static struct flash_platform_data simpad_flash_data = {
+ .map_name = "cfi_probe",
+ .parts = simpad_partitions,
+ .nr_parts = ARRAY_SIZE(simpad_partitions),
+};
+
+
+static struct resource simpad_flash_resources [] = {
+ {
+ .start = SA1100_CS0_PHYS,
+ .end = SA1100_CS0_PHYS + SZ_16M -1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = SA1100_CS1_PHYS,
+ .end = SA1100_CS1_PHYS + SZ_16M -1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+
+
+static void __init simpad_map_io(void)
+{
+ sa1100_map_io();
+
+ iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc));
+
+ set_cs3_bit (EN1 | EN0 | LED2_ON | DISPLAY_ON | RS232_ON |
+ ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON);
+
+
+ sa1100_register_uart_fns(&simpad_port_fns);
+ sa1100_register_uart(0, 3); /* serial interface */
+ sa1100_register_uart(1, 1); /* DECT */
+
+ // Reassign UART 1 pins
+ GAFR |= GPIO_UART_TXD | GPIO_UART_RXD;
+ GPDR |= GPIO_UART_TXD | GPIO_LDD13 | GPIO_LDD15;
+ GPDR &= ~GPIO_UART_RXD;
+ PPAR |= PPAR_UPR;
+
+ /*
+ * Set up registers for sleep mode.
+ */
+
+
+ PWER = PWER_GPIO0| PWER_RTC;
+ PGSR = 0x818;
+ PCFR = 0;
+ PSDR = 0;
+
+ sa11x0_set_flash_data(&simpad_flash_data, simpad_flash_resources,
+ ARRAY_SIZE(simpad_flash_resources));
+}
+
+static void simpad_power_off(void)
+{
+ local_irq_disable(); // was cli
+ set_cs3(0x800); /* only SD_MEDIAQ */
+
+ /* disable internal oscillator, float CS lines */
+ PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS);
+ /* enable wake-up on GPIO0 (Assabet...) */
+ PWER = GFER = GRER = 1;
+ /*
+ * set scratchpad to zero, just in case it is used as a
+ * restart address by the bootloader.
+ */
+ PSPR = 0;
+ PGSR = 0;
+ /* enter sleep mode */
+ PMCR = PMCR_SF;
+ while(1);
+
+ local_irq_enable(); /* we won't ever call it */
+
+
+}
+
+
+/*
+ * MediaQ Video Device
+ */
+static struct platform_device simpad_mq200fb = {
+ .name = "simpad-mq200",
+ .id = 0,
+};
+
+static struct platform_device *devices[] __initdata = {
+ &simpad_mq200fb
+};
+
+
+
+static int __init simpad_init(void)
+{
+ int ret;
+
+ pm_power_off = simpad_power_off;
+
+ ret = platform_add_devices(devices, ARRAY_SIZE(devices));
+ if(ret)
+ printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device");
+
+ return 0;
+}
+
+arch_initcall(simpad_init);
+
+
+MACHINE_START(SIMPAD, "Simpad")
+ MAINTAINER("Holger Freyther")
+ BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
+ BOOT_PARAMS(0xc0000100)
+ MAPIO(simpad_map_io)
+ INITIRQ(sa1100_init_irq)
+ .timer = &sa1100_timer,
+MACHINE_END