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Diffstat (limited to 'arch/arm/mach-ep93xx/ts72xx.c')
-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
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index 00000000000..777e75daa8a
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+++ b/arch/arm/mach-ep93xx/ts72xx.c
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+/*
+ * arch/arm/mach-ep93xx/ts72xx.c
+ * Technologic Systems TS72xx SBC support.
+ *
+ * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/physmap.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+static struct map_desc ts72xx_io_desc[] __initdata = {
+ {
+ .virtual = TS72XX_MODEL_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_MODEL_PHYS_BASE),
+ .length = TS72XX_MODEL_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = TS72XX_OPTIONS_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_OPTIONS_PHYS_BASE),
+ .length = TS72XX_OPTIONS_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = TS72XX_OPTIONS2_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE),
+ .length = TS72XX_OPTIONS2_SIZE,
+ .type = MT_DEVICE,
+ }
+};
+
+static struct map_desc ts72xx_nand_io_desc[] __initdata = {
+ {
+ .virtual = TS72XX_NAND_DATA_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_NAND1_DATA_PHYS_BASE),
+ .length = TS72XX_NAND_DATA_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = TS72XX_NAND_CONTROL_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_NAND1_CONTROL_PHYS_BASE),
+ .length = TS72XX_NAND_CONTROL_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = TS72XX_NAND_BUSY_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_NAND1_BUSY_PHYS_BASE),
+ .length = TS72XX_NAND_BUSY_SIZE,
+ .type = MT_DEVICE,
+ }
+};
+
+static struct map_desc ts72xx_alternate_nand_io_desc[] __initdata = {
+ {
+ .virtual = TS72XX_NAND_DATA_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_NAND2_DATA_PHYS_BASE),
+ .length = TS72XX_NAND_DATA_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = TS72XX_NAND_CONTROL_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_NAND2_CONTROL_PHYS_BASE),
+ .length = TS72XX_NAND_CONTROL_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = TS72XX_NAND_BUSY_VIRT_BASE,
+ .pfn = __phys_to_pfn(TS72XX_NAND2_BUSY_PHYS_BASE),
+ .length = TS72XX_NAND_BUSY_SIZE,
+ .type = MT_DEVICE,
+ }
+};
+
+static void __init ts72xx_map_io(void)
+{
+ ep93xx_map_io();
+ iotable_init(ts72xx_io_desc, ARRAY_SIZE(ts72xx_io_desc));
+
+ /*
+ * The TS-7200 has NOR flash, the other models have NAND flash.
+ */
+ if (!board_is_ts7200()) {
+ if (is_ts9420_installed()) {
+ iotable_init(ts72xx_alternate_nand_io_desc,
+ ARRAY_SIZE(ts72xx_alternate_nand_io_desc));
+ } else {
+ iotable_init(ts72xx_nand_io_desc,
+ ARRAY_SIZE(ts72xx_nand_io_desc));
+ }
+ }
+}
+
+static void __init ts72xx_init_machine(void)
+{
+ ep93xx_init_devices();
+ if (board_is_ts7200())
+ physmap_configure(TS72XX_NOR_PHYS_BASE, 0x01000000, 1, NULL);
+}
+
+MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
+ /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
+ .phys_io = EP93XX_APB_PHYS_BASE,
+ .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = 0x00000100,
+ .map_io = ts72xx_map_io,
+ .init_irq = ep93xx_init_irq,
+ .timer = &ep93xx_timer,
+ .init_machine = ts72xx_init_machine,
+MACHINE_END