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-rw-r--r--arch/arm/mach-sa1100/pleb.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c
new file mode 100644
index 000000000..b2b0c9fc1
--- /dev/null
+++ b/arch/arm/mach-sa1100/pleb.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/arch/arm/mach-sa1100/pleb.c
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/tty.h>
+#include <linux/ioport.h>
+#include <linux/platform_data/sa11x0-serial.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/mtd/partitions.h>
+#include <linux/smc91x.h>
+
+#include <mach/hardware.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 <mach/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] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000),
+#if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */
+ [1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ),
+#endif
+};
+
+static struct smc91x_platdata smc91x_platdata = {
+ .flags = SMC91X_USE_16BIT | SMC91X_USE_8BIT | SMC91X_NOWAIT,
+};
+
+static struct platform_device smc91x_device = {
+ .name = "smc91x",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(smc91x_resources),
+ .resource = smc91x_resources,
+ .dev = {
+ .platform_data = &smc91x_platdata,
+ },
+};
+
+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] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M),
+ [1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M),
+};
+
+
+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_register_mtd(&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;
+
+ irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING);
+}
+
+MACHINE_START(PLEB, "PLEB")
+ .map_io = pleb_map_io,
+ .nr_irqs = SA1100_NR_IRQS,
+ .init_irq = sa1100_init_irq,
+ .init_time = sa1100_timer_init,
+ .init_machine = pleb_init,
+ .init_late = sa11x0_init_late,
+ .restart = sa11x0_restart,
+MACHINE_END