vserver 1.9.5.x5
[linux-2.6.git] / arch / arm / mach-sa1100 / pleb.c
index 2cdfef6..5606bd7 100644 (file)
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/tty.h>
+#include <linux/ioport.h>
+#include <linux/device.h>
+
+#include <linux/mtd/partitions.h>
 
 #include <asm/hardware.h>
+#include <asm/io.h>
 #include <asm/setup.h>
+#include <asm/mach-types.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+#include <asm/mach/flash.h>
 #include <asm/mach/serial_sa1100.h>
+#include <asm/arch/irqs.h>
 
 #include "generic.h"
 
+
+/*
+ * Ethernet IRQ mappings
+ */
+
+#define PLEB_ETH0_P            (0x20000300)    /* Ethernet 0 in PCMCIA0 IO */
+#define PLEB_ETH0_V            (0xf6000300)
+
+#define GPIO_ETH0_IRQ          GPIO_GPIO(21)
+#define GPIO_ETH0_EN           GPIO_GPIO(26)
+
+#define IRQ_GPIO_ETH0_IRQ      IRQ_GPIO21
+
+static struct resource smc91x_resources[] = {
+       [0] = {
+               .start  =  PLEB_ETH0_P,
+               .end    =  PLEB_ETH0_P | 0x03ffffff,
+               .flags  = IORESOURCE_MEM,
+       },
+#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */
+       [1] = {
+               .start  = IRQ_GPIO_ETH0_IRQ,
+               .end    = IRQ_GPIO_ETH0_IRQ,
+               .flags  = IORESOURCE_IRQ,
+       },
+#endif
+};
+
+
+static struct platform_device smc91x_device = {
+       .name           = "smc91x",
+       .id             = 0,
+       .num_resources  = ARRAY_SIZE(smc91x_resources),
+       .resource       = smc91x_resources,
+};
+
+static struct platform_device *devices[] __initdata = {
+       &smc91x_device,
+};
+
+
+/*
+ * Pleb's memory map
+ * has flash memory (typically 4 or 8 meg) selected by
+ * the two SA1100 lowest chip select outputs.
+ */
+static struct resource pleb_flash_resources[] = {
+       [0] = {
+               .start = SA1100_CS0_PHYS,
+               .end   = SA1100_CS0_PHYS + SZ_8M - 1,
+               .flags = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start = SA1100_CS1_PHYS,
+               .end   = SA1100_CS1_PHYS + SZ_8M - 1,
+               .flags = IORESOURCE_MEM,
+       }
+};
+
+
+static struct mtd_partition pleb_partitions[] = {
+       {
+               .name           = "blob",
+               .offset         = 0,
+               .size           = 0x00020000,
+       }, {
+               .name           = "kernel",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 0x000e0000,
+       }, {
+               .name           = "rootfs",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 0x00300000,
+       }
+};
+
+
+static struct flash_platform_data pleb_flash_data = {
+       .map_name = "cfi_probe",
+       .parts = pleb_partitions,
+       .nr_parts = ARRAY_SIZE(pleb_partitions),
+};
+
+
+static void __init pleb_init(void)
+{
+       sa11x0_set_flash_data(&pleb_flash_data, pleb_flash_resources,
+                             ARRAY_SIZE(pleb_flash_resources));
+
+
+       platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+
 static void __init pleb_map_io(void)
 {
        sa1100_map_io();
 
        sa1100_register_uart(0, 3);
         sa1100_register_uart(1, 1);
+
         GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD);
         GPDR |= GPIO_UART_TXD;
         GPDR &= ~GPIO_UART_RXD;
         PPAR |= PPAR_UPR;
+
+       /*
+        * Fix expansion memory timing for network card
+        */
+       MECR = ((2<<10) | (2<<5) | (2<<0));
+
+       /*
+        * Enable the SMC ethernet controller
+        */
+       GPDR |= GPIO_ETH0_EN;   /* set to output */
+       GPCR  = GPIO_ETH0_EN;   /* clear MCLK (enable smc) */
+
+       GPDR &= ~GPIO_ETH0_IRQ;
+
+       set_irq_type(GPIO_ETH0_IRQ, IRQT_FALLING);
 }
 
 MACHINE_START(PLEB, "PLEB")
        BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
        MAPIO(pleb_map_io)
        INITIRQ(sa1100_init_irq)
-       INITTIME(sa1100_init_time)
+       .timer          = &sa1100_timer,
+       .init_machine   = pleb_init,
 MACHINE_END