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-rw-r--r--arch/arm/Kconfig9
-rw-r--r--arch/arm/Makefile1
-rw-r--r--arch/arm/mach-ep93xx/Kconfig21
-rw-r--r--arch/arm/mach-ep93xx/Makefile10
-rw-r--r--arch/arm/mach-ep93xx/Makefile.boot2
-rw-r--r--arch/arm/mach-ep93xx/core.c173
-rw-r--r--arch/arm/mach-ep93xx/gesbc9312.c40
-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c118
-rw-r--r--arch/arm/mm/Kconfig2
-rw-r--r--include/asm-arm/arch-ep93xx/debug-macro.S22
-rw-r--r--include/asm-arm/arch-ep93xx/dma.h3
-rw-r--r--include/asm-arm/arch-ep93xx/entry-macro.S53
-rw-r--r--include/asm-arm/arch-ep93xx/ep93xx-regs.h114
-rw-r--r--include/asm-arm/arch-ep93xx/gesbc9312.h3
-rw-r--r--include/asm-arm/arch-ep93xx/hardware.h12
-rw-r--r--include/asm-arm/arch-ep93xx/io.h8
-rw-r--r--include/asm-arm/arch-ep93xx/irqs.h78
-rw-r--r--include/asm-arm/arch-ep93xx/memory.h14
-rw-r--r--include/asm-arm/arch-ep93xx/platform.h14
-rw-r--r--include/asm-arm/arch-ep93xx/system.h26
-rw-r--r--include/asm-arm/arch-ep93xx/timex.h5
-rw-r--r--include/asm-arm/arch-ep93xx/ts72xx.h90
-rw-r--r--include/asm-arm/arch-ep93xx/uncompress.h53
-rw-r--r--include/asm-arm/arch-ep93xx/vmalloc.h5
24 files changed, 875 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6e9e8cedd72..0dd24ebdf6a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -108,6 +108,13 @@ config ARCH_EBSA110
Ethernet interface, two PCMCIA sockets, two serial ports and a
parallel port.
+config ARCH_EP93XX
+ bool "EP93xx-based"
+ select ARM_AMBA
+ select ARM_VIC
+ help
+ This enables support for the Cirrus EP93xx series of CPUs.
+
config ARCH_FOOTBRIDGE
bool "FootBridge"
select FOOTBRIDGE
@@ -250,6 +257,8 @@ endchoice
source "arch/arm/mach-clps711x/Kconfig"
+source "arch/arm/mach-ep93xx/Kconfig"
+
source "arch/arm/mach-footbridge/Kconfig"
source "arch/arm/mach-integrator/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index fbfc14a56b9..b5b1e408751 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -105,6 +105,7 @@ endif
machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
machine-$(CONFIG_ARCH_REALVIEW) := realview
machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
+ machine-$(CONFIG_ARCH_EP93XX) := ep93xx
ifeq ($(CONFIG_ARCH_EBSA110),y)
# This is what happens if you forget the IOCS16 line.
diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
new file mode 100644
index 00000000000..cec5a21ca4e
--- /dev/null
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -0,0 +1,21 @@
+if ARCH_EP93XX
+
+menu "Cirrus EP93xx Implementation Options"
+
+comment "EP93xx Platforms"
+
+config MACH_GESBC9312
+ bool "Support Glomation GESBC-9312-sx"
+ help
+ Say 'Y' here if you want your kernel to support the Glomation
+ GESBC-9312-sx board.
+
+config MACH_TS72XX
+ bool "Support Technologic Systems TS-72xx SBC"
+ help
+ Say 'Y' here if you want your kernel to support the
+ Technologic Systems TS-72xx board.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
new file mode 100644
index 00000000000..5393af989e9
--- /dev/null
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -0,0 +1,10 @@
+#
+# Makefile for the linux kernel.
+#
+obj-y := core.o
+obj-m :=
+obj-n :=
+obj- :=
+
+obj-$(CONFIG_MACH_GESBC9312) += gesbc9312.o
+obj-$(CONFIG_MACH_TS72XX) += ts72xx.o
diff --git a/arch/arm/mach-ep93xx/Makefile.boot b/arch/arm/mach-ep93xx/Makefile.boot
new file mode 100644
index 00000000000..d5561ad15ba
--- /dev/null
+++ b/arch/arm/mach-ep93xx/Makefile.boot
@@ -0,0 +1,2 @@
+ zreladdr-y := 0x00008000
+params_phys-y := 0x00000100
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
new file mode 100644
index 00000000000..f831f74dc8c
--- /dev/null
+++ b/arch/arm/mach-ep93xx/core.c
@@ -0,0 +1,173 @@
+/*
+ * arch/arm/mach-ep93xx/core.c
+ * Core routines for Cirrus EP93xx chips.
+ *
+ * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
+ *
+ * Thanks go to Michael Burian and Ray Lehtiniemi for their key
+ * role in the ep93xx linux community.
+ *
+ * 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/spinlock.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/bitops.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/serial_core.h>
+#include <linux/device.h>
+#include <linux/mm.h>
+#include <linux/time.h>
+#include <linux/timex.h>
+#include <linux/delay.h>
+#include <linux/amba/bus.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/system.h>
+#include <asm/tlbflush.h>
+#include <asm/pgtable.h>
+#include <asm/io.h>
+
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware/vic.h>
+
+
+/*************************************************************************
+ * Static I/O mappings that are needed for all EP93xx platforms
+ *************************************************************************/
+static struct map_desc ep93xx_io_desc[] __initdata = {
+ {
+ .virtual = EP93XX_AHB_VIRT_BASE,
+ .pfn = __phys_to_pfn(EP93XX_AHB_PHYS_BASE),
+ .length = EP93XX_AHB_SIZE,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = EP93XX_APB_VIRT_BASE,
+ .pfn = __phys_to_pfn(EP93XX_APB_PHYS_BASE),
+ .length = EP93XX_APB_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init ep93xx_map_io(void)
+{
+ iotable_init(ep93xx_io_desc, ARRAY_SIZE(ep93xx_io_desc));
+}
+
+
+/*************************************************************************
+ * Timer handling for EP93xx
+ *************************************************************************
+ * The ep93xx has four internal timers. Timers 1, 2 (both 16 bit) and
+ * 3 (32 bit) count down at 508 kHz, are self-reloading, and can generate
+ * an interrupt on underflow. Timer 4 (40 bit) counts down at 983.04 kHz,
+ * is free-running, and can't generate interrupts.
+ *
+ * The 508 kHz timers are ideal for use for the timer interrupt, as the
+ * most common values of HZ divide 508 kHz nicely. We pick one of the 16
+ * bit timers (timer 1) since we don't need more than 16 bits of reload
+ * value as long as HZ >= 8.
+ *
+ * The higher clock rate of timer 4 makes it a better choice than the
+ * other timers for use in gettimeoffset(), while the fact that it can't
+ * generate interrupts means we don't have to worry about not being able
+ * to use this timer for something else. We also use timer 4 for keeping
+ * track of lost jiffies.
+ */
+static unsigned int last_jiffy_time;
+
+#define TIMER4_TICKS_PER_JIFFY ((CLOCK_TICK_RATE + (HZ/2)) / HZ)
+
+static int ep93xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+ write_seqlock(&xtime_lock);
+
+ __raw_writel(1, EP93XX_TIMER1_CLEAR);
+ while (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time
+ >= TIMER4_TICKS_PER_JIFFY) {
+ last_jiffy_time += TIMER4_TICKS_PER_JIFFY;
+ timer_tick(regs);
+ }
+
+ write_sequnlock(&xtime_lock);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction ep93xx_timer_irq = {
+ .name = "ep93xx timer",
+ .flags = SA_INTERRUPT | SA_TIMER,
+ .handler = ep93xx_timer_interrupt,
+};
+
+static void __init ep93xx_timer_init(void)
+{
+ /* Enable periodic HZ timer. */
+ __raw_writel(0x48, EP93XX_TIMER1_CONTROL);
+ __raw_writel((508000 / HZ) - 1, EP93XX_TIMER1_LOAD);
+ __raw_writel(0xc8, EP93XX_TIMER1_CONTROL);
+
+ /* Enable lost jiffy timer. */
+ __raw_writel(0x100, EP93XX_TIMER4_VALUE_HIGH);
+
+ setup_irq(IRQ_EP93XX_TIMER1, &ep93xx_timer_irq);
+}
+
+static unsigned long ep93xx_gettimeoffset(void)
+{
+ int offset;
+
+ offset = __raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time;
+
+ /* Calculate (1000000 / 983040) * offset. */
+ return offset + (53 * offset / 3072);
+}
+
+struct sys_timer ep93xx_timer = {
+ .init = ep93xx_timer_init,
+ .offset = ep93xx_gettimeoffset,
+};
+
+
+/*************************************************************************
+ * EP93xx IRQ handling
+ *************************************************************************/
+void __init ep93xx_init_irq(void)
+{
+ vic_init((void *)EP93XX_VIC1_BASE, 0, EP93XX_VIC1_VALID_IRQ_MASK);
+ vic_init((void *)EP93XX_VIC2_BASE, 32, EP93XX_VIC2_VALID_IRQ_MASK);
+}
+
+
+/*************************************************************************
+ * EP93xx peripheral handling
+ *************************************************************************/
+void __init ep93xx_init_devices(void)
+{
+ unsigned int v;
+
+ /*
+ * Disallow access to MaverickCrunch initially.
+ */
+ v = __raw_readl(EP93XX_SYSCON_DEVICE_CONFIG);
+ v &= ~EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE;
+ __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
+ __raw_writel(v, EP93XX_SYSCON_DEVICE_CONFIG);
+}
diff --git a/arch/arm/mach-ep93xx/gesbc9312.c b/arch/arm/mach-ep93xx/gesbc9312.c
new file mode 100644
index 00000000000..d18fcb1a2f1
--- /dev/null
+++ b/arch/arm/mach-ep93xx/gesbc9312.c
@@ -0,0 +1,40 @@
+/*
+ * arch/arm/mach-ep93xx/gesbc9312.c
+ * Glomation GESBC-9312-sx 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>
+
+static void __init gesbc9312_init_machine(void)
+{
+ ep93xx_init_devices();
+ physmap_configure(0x60000000, 0x00800000, 4, NULL);
+}
+
+MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx")
+ /* 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 = ep93xx_map_io,
+ .init_irq = ep93xx_init_irq,
+ .timer = &ep93xx_timer,
+ .init_machine = gesbc9312_init_machine,
+MACHINE_END
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
new file mode 100644
index 00000000000..777e75daa8a
--- /dev/null
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -0,0 +1,118 @@
+/*
+ * 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
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 3b79d0e2345..eaaec90db97 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -62,7 +62,7 @@ config CPU_ARM720T
# ARM920T
config CPU_ARM920T
bool "Support ARM920T processor" if !ARCH_S3C2410
- depends on ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200
+ depends on ARCH_EP93XX || ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200
default y if ARCH_S3C2410 || ARCH_AT91RM9200
select CPU_32v4
select CPU_ABRT_EV4T
diff --git a/include/asm-arm/arch-ep93xx/debug-macro.S b/include/asm-arm/arch-ep93xx/debug-macro.S
new file mode 100644
index 00000000000..397565a0c67
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/debug-macro.S
@@ -0,0 +1,22 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/debug-macro.S
+ * Debugging macro include header
+ *
+ * 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 <asm/arch/ep93xx-regs.h>
+
+ .macro addruart,rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ ldreq \rx, =EP93XX_APB_PHYS_BASE @ Physical base
+ ldrne \rx, =EP93XX_APB_VIRT_BASE @ virtual base
+ orr \rx, \rx, #0x000c0000
+ .endm
+
+#include <asm/hardware/debug-pl01x.S>
diff --git a/include/asm-arm/arch-ep93xx/dma.h b/include/asm-arm/arch-ep93xx/dma.h
new file mode 100644
index 00000000000..898b3ab7fd4
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/dma.h
@@ -0,0 +1,3 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/dma.h
+ */
diff --git a/include/asm-arm/arch-ep93xx/entry-macro.S b/include/asm-arm/arch-ep93xx/entry-macro.S
new file mode 100644
index 00000000000..84140a28dfc
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/entry-macro.S
@@ -0,0 +1,53 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/entry-macro.S
+ * IRQ demultiplexing for EP93xx
+ *
+ * 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 <asm/arch/ep93xx-regs.h>
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \base, =(EP93XX_AHB_VIRT_BASE)
+ orr \base, \base, #0x000b0000
+ mov \irqnr, #0
+ ldr \irqstat, [\base] @ lower 32 interrupts
+ cmp \irqstat, #0
+ bne 1001f
+
+ eor \base, \base, #0x00070000
+ ldr \irqstat, [\base] @ upper 32 interrupts
+ cmp \irqstat, #0
+ beq 1002f
+ mov \irqnr, #0x20
+
+1001:
+ movs \tmp, \irqstat, lsl #16
+ movne \irqstat, \tmp
+ addeq \irqnr, \irqnr, #16
+
+ movs \tmp, \irqstat, lsl #8
+ movne \irqstat, \tmp
+ addeq \irqnr, \irqnr, #8
+
+ movs \tmp, \irqstat, lsl #4
+ movne \irqstat, \tmp
+ addeq \irqnr, \irqnr, #4
+
+ movs \tmp, \irqstat, lsl #2
+ movne \irqstat, \tmp
+ addeq \irqnr, \irqnr, #2
+
+ movs \tmp, \irqstat, lsl #1
+ addeq \irqnr, \irqnr, #1
+ orrs \base, \base, #1
+
+1002:
+ .endm
diff --git a/include/asm-arm/arch-ep93xx/ep93xx-regs.h b/include/asm-arm/arch-ep93xx/ep93xx-regs.h
new file mode 100644
index 00000000000..693f23886e8
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/ep93xx-regs.h
@@ -0,0 +1,114 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/ep93xx-regs.h
+ */
+
+#ifndef __ASM_ARCH_EP93XX_REGS_H
+#define __ASM_ARCH_EP93XX_REGS_H
+
+/*
+ * EP93xx linux memory map:
+ *
+ * virt phys size
+ * fe800000 5M per-platform mappings
+ * fed00000 80800000 2M APB
+ * fef00000 80000000 1M AHB
+ */
+
+#define EP93XX_AHB_PHYS_BASE 0x80000000
+#define EP93XX_AHB_VIRT_BASE 0xfef00000
+#define EP93XX_AHB_SIZE 0x00100000
+
+#define EP93XX_APB_PHYS_BASE 0x80800000
+#define EP93XX_APB_VIRT_BASE 0xfed00000
+#define EP93XX_APB_SIZE 0x00200000
+
+
+/* AHB peripherals */
+#define EP93XX_DMA_BASE (EP93XX_AHB_VIRT_BASE + 0x00000000)
+
+#define EP93XX_ETHERNET_BASE (EP93XX_AHB_VIRT_BASE + 0x00010000)
+
+#define EP93XX_USB_BASE (EP93XX_AHB_VIRT_BASE + 0x00020000)
+#define EP93XX_USB_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00020000)
+
+#define EP93XX_RASTER_BASE (EP93XX_AHB_VIRT_BASE + 0x00030000)
+
+#define EP93XX_GRAPHICS_ACCEL_BASE (EP93XX_AHB_VIRT_BASE + 0x00040000)
+
+#define EP93XX_SDRAM_CONTROLLER_BASE (EP93XX_AHB_VIRT_BASE + 0x00060000)
+
+#define EP93XX_PCMCIA_CONTROLLER_BASE (EP93XX_AHB_VIRT_BASE + 0x00080000)
+
+#define EP93XX_BOOT_ROM_BASE (EP93XX_AHB_VIRT_BASE + 0x00090000)
+
+#define EP93XX_IDE_BASE (EP93XX_AHB_VIRT_BASE + 0x000a0000)
+
+#define EP93XX_VIC1_BASE (EP93XX_AHB_VIRT_BASE + 0x000b0000)
+
+#define EP93XX_VIC2_BASE (EP93XX_AHB_VIRT_BASE + 0x000c0000)
+
+
+/* APB peripherals */
+#define EP93XX_TIMER_BASE (EP93XX_APB_VIRT_BASE + 0x00010000)
+#define EP93XX_TIMER_REG(x) (EP93XX_TIMER_BASE + (x))
+#define EP93XX_TIMER1_LOAD EP93XX_TIMER_REG(0x00)
+#define EP93XX_TIMER1_VALUE EP93XX_TIMER_REG(0x04)
+#define EP93XX_TIMER1_CONTROL EP93XX_TIMER_REG(0x08)
+#define EP93XX_TIMER1_CLEAR EP93XX_TIMER_REG(0x0c)
+#define EP93XX_TIMER2_LOAD EP93XX_TIMER_REG(0x20)
+#define EP93XX_TIMER2_VALUE EP93XX_TIMER_REG(0x24)
+#define EP93XX_TIMER2_CONTROL EP93XX_TIMER_REG(0x28)
+#define EP93XX_TIMER2_CLEAR EP93XX_TIMER_REG(0x2c)
+#define EP93XX_TIMER4_VALUE_LOW EP93XX_TIMER_REG(0x60)
+#define EP93XX_TIMER4_VALUE_HIGH EP93XX_TIMER_REG(0x64)
+#define EP93XX_TIMER3_LOAD EP93XX_TIMER_REG(0x80)
+#define EP93XX_TIMER3_VALUE EP93XX_TIMER_REG(0x84)
+#define EP93XX_TIMER3_CONTROL EP93XX_TIMER_REG(0x88)
+#define EP93XX_TIMER3_CLEAR EP93XX_TIMER_REG(0x8c)
+
+#define EP93XX_I2S_BASE (EP93XX_APB_VIRT_BASE + 0x00020000)
+
+#define EP93XX_SECURITY_BASE (EP93XX_APB_VIRT_BASE + 0x00030000)
+
+#define EP93XX_GPIO_BASE (EP93XX_APB_VIRT_BASE + 0x00040000)
+
+#define EP93XX_AAC_BASE (EP93XX_APB_VIRT_BASE + 0x00080000)
+
+#define EP93XX_SPI_BASE (EP93XX_APB_VIRT_BASE + 0x000a0000)
+
+#define EP93XX_IRDA_BASE (EP93XX_APB_VIRT_BASE + 0x000b0000)
+
+#define EP93XX_UART1_BASE (EP93XX_APB_VIRT_BASE + 0x000c0000)
+#define EP93XX_UART1_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000c0000)
+
+#define EP93XX_UART2_BASE (EP93XX_APB_VIRT_BASE + 0x000d0000)
+#define EP93XX_UART2_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000d0000)
+
+#define EP93XX_UART3_BASE (EP93XX_APB_VIRT_BASE + 0x000e0000)
+#define EP93XX_UART3_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000e0000)
+
+#define EP93XX_KEY_MATRIX_BASE (EP93XX_APB_VIRT_BASE + 0x000f0000)
+
+#define EP93XX_ADC_BASE (EP93XX_APB_VIRT_BASE + 0x00100000)
+#define EP93XX_TOUCHSCREEN_BASE (EP93XX_APB_VIRT_BASE + 0x00100000)
+
+#define EP93XX_PWM_BASE (EP93XX_APB_VIRT_BASE + 0x00110000)
+
+#define EP93XX_RTC_BASE (EP93XX_APB_VIRT_BASE + 0x00120000)
+
+#define EP93XX_SYSCON_BASE (EP93XX_APB_VIRT_BASE + 0x00130000)
+#define EP93XX_SYSCON_REG(x) (EP93XX_SYSCON_BASE + (x))
+#define EP93XX_SYSCON_POWER_STATE EP93XX_SYSCON_REG(0x00)
+#define EP93XX_SYSCON_CLOCK_CONTROL EP93XX_SYSCON_REG(0x04)
+#define EP93XX_SYSCON_CLOCK_UARTBAUD 0x20000000
+#define EP93XX_SYSCON_CLOCK_USH_EN 0x10000000
+#define EP93XX_SYSCON_HALT EP93XX_SYSCON_REG(0x08)
+#define EP93XX_SYSCON_STANDBY EP93XX_SYSCON_REG(0x0c)
+#define EP93XX_SYSCON_DEVICE_CONFIG EP93XX_SYSCON_REG(0x80)
+#define EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE 0x00800000
+#define EP93XX_SYSCON_SWLOCK EP93XX_SYSCON_REG(0xc0)
+
+#define EP93XX_WATCHDOG_BASE (EP93XX_APB_VIRT_BASE + 0x00140000)
+
+
+#endif
diff --git a/include/asm-arm/arch-ep93xx/gesbc9312.h b/include/asm-arm/arch-ep93xx/gesbc9312.h
new file mode 100644
index 00000000000..4d0b3023bff
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/gesbc9312.h
@@ -0,0 +1,3 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/gesbc9312.h
+ */
diff --git a/include/asm-arm/arch-ep93xx/hardware.h b/include/asm-arm/arch-ep93xx/hardware.h
new file mode 100644
index 00000000000..9b69f454065
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/hardware.h
@@ -0,0 +1,12 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/hardware.h
+ */
+
+#include "ep93xx-regs.h"
+
+#define pcibios_assign_all_busses() 0
+
+#include "platform.h"
+
+#include "gesbc9312.h"
+#include "ts72xx.h"
diff --git a/include/asm-arm/arch-ep93xx/io.h b/include/asm-arm/arch-ep93xx/io.h
new file mode 100644
index 00000000000..7b4d25e2906
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/io.h
@@ -0,0 +1,8 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/io.h
+ */
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+#define __io(p) ((void __iomem *)(p))
+#define __mem_pci(p) (p)
diff --git a/include/asm-arm/arch-ep93xx/irqs.h b/include/asm-arm/arch-ep93xx/irqs.h
new file mode 100644
index 00000000000..8c10fb964fa
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/irqs.h
@@ -0,0 +1,78 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/irqs.h
+ */
+
+#ifndef __ASM_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H
+
+#define IRQ_EP93XX_COMMRX 2
+#define IRQ_EP93XX_COMMTX 3
+#define IRQ_EP93XX_TIMER1 4
+#define IRQ_EP93XX_TIMER2 5
+#define IRQ_EP93XX_AACINTR 6
+#define IRQ_EP93XX_DMAM2P0 7
+#define IRQ_EP93XX_DMAM2P1 8
+#define IRQ_EP93XX_DMAM2P2 9
+#define IRQ_EP93XX_DMAM2P3 10
+#define IRQ_EP93XX_DMAM2P4 11
+#define IRQ_EP93XX_DMAM2P5 12
+#define IRQ_EP93XX_DMAM2P6 13
+#define IRQ_EP93XX_DMAM2P7 14
+#define IRQ_EP93XX_DMAM2P8 15
+#define IRQ_EP93XX_DMAM2P9 16
+#define IRQ_EP93XX_DMAM2M0 17
+#define IRQ_EP93XX_DMAM2M1 18
+#define IRQ_EP93XX_GPIO0MUX 20
+#define IRQ_EP93XX_GPIO1MUX 21
+#define IRQ_EP93XX_GPIO2MUX 22
+#define IRQ_EP93XX_GPIO3MUX 22
+#define IRQ_EP93XX_UART1RX 23
+#define IRQ_EP93XX_UART1TX 24
+#define IRQ_EP93XX_UART2RX 25
+#define IRQ_EP93XX_UART2TX 26
+#define IRQ_EP93XX_UART3RX 27
+#define IRQ_EP93XX_UART3TX 28
+#define IRQ_EP93XX_KEY 29
+#define IRQ_EP93XX_TOUCH 30
+#define EP93XX_VIC1_VALID_IRQ_MASK 0x7ffffffc
+
+#define IRQ_EP93XX_EXT0 32
+#define IRQ_EP93XX_EXT1 33
+#define IRQ_EP93XX_EXT2 34
+#define IRQ_EP93XX_64HZ 35
+#define IRQ_EP93XX_WATCHDOG 36
+#define IRQ_EP93XX_RTC 37
+#define IRQ_EP93XX_IRDA 38
+#define IRQ_EP93XX_ETHERNET 39
+#define IRQ_EP93XX_EXT3 40
+#define IRQ_EP93XX_PROG 41
+#define IRQ_EP93XX_1HZ 42
+#define IRQ_EP93XX_VSYNC 43
+#define IRQ_EP93XX_VIDEO_FIFO 44
+#define IRQ_EP93XX_SSP1RX 45
+#define IRQ_EP93XX_SSP1TX 46
+#define IRQ_EP93XX_GPIO4MUX 47
+#define IRQ_EP93XX_GPIO5MUX 48
+#define IRQ_EP93XX_GPIO6MUX 49
+#define IRQ_EP93XX_GPIO7MUX 50
+#define IRQ_EP93XX_TIMER3 51
+#define IRQ_EP93XX_UART1 52
+#define IRQ_EP93XX_SSP 53
+#define IRQ_EP93XX_UART2 54
+#define IRQ_EP93XX_UART3 55
+#define IRQ_EP93XX_USB 56
+#define IRQ_EP93XX_ETHERNET_PME 57
+#define IRQ_EP93XX_DSP 58
+#define IRQ_EP93XX_GPIO_AB 59
+#define IRQ_EP93XX_SAI 60
+#define EP93XX_VIC2_VALID_IRQ_MASK 0x1fffffff
+
+#define NR_EP93XX_IRQS 64
+
+#define EP93XX_BOARD_IRQ(x) (NR_EP93XX_IRQS + (x))
+#define EP93XX_BOARD_IRQS 32
+
+#define NR_IRQS (NR_EP93XX_IRQS + EP93XX_BOARD_IRQS)
+
+
+#endif
diff --git a/include/asm-arm/arch-ep93xx/memory.h b/include/asm-arm/arch-ep93xx/memory.h
new file mode 100644
index 00000000000..4b1a5c7c836
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/memory.h
@@ -0,0 +1,14 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/memory.h
+ */
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#define PHYS_OFFSET UL(0x00000000)
+
+#define __bus_to_virt(x) __phys_to_virt(x)
+#define __virt_to_bus(x) __virt_to_phys(x)
+
+
+#endif
diff --git a/include/asm-arm/arch-ep93xx/platform.h b/include/asm-arm/arch-ep93xx/platform.h
new file mode 100644
index 00000000000..df9cbb6ef66
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/platform.h
@@ -0,0 +1,14 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/platform.h
+ */
+
+#ifndef __ASSEMBLY__
+
+void ep93xx_map_io(void);
+void ep93xx_init_irq(void);
+void ep93xx_init_time(unsigned long);
+void ep93xx_init_devices(void);
+extern struct sys_timer ep93xx_timer;
+
+
+#endif
diff --git a/include/asm-arm/arch-ep93xx/system.h b/include/asm-arm/arch-ep93xx/system.h
new file mode 100644
index 00000000000..79b71858674
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/system.h
@@ -0,0 +1,26 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/system.h
+ */
+
+#include <asm/hardware.h>
+
+static inline void arch_idle(void)
+{
+ cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+ u32 devicecfg;
+
+ local_irq_disable();
+
+ devicecfg = __raw_readl(EP93XX_SYSCON_DEVICE_CONFIG);
+ __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
+ __raw_writel(devicecfg | 0x80000000, EP93XX_SYSCON_DEVICE_CONFIG);
+ __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
+ __raw_writel(devicecfg & ~0x80000000, EP93XX_SYSCON_DEVICE_CONFIG);
+
+ while (1)
+ ;
+}
diff --git a/include/asm-arm/arch-ep93xx/timex.h b/include/asm-arm/arch-ep93xx/timex.h
new file mode 100644
index 00000000000..4140bddc97e
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/timex.h
@@ -0,0 +1,5 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/timex.h
+ */
+
+#define CLOCK_TICK_RATE 983040
diff --git a/include/asm-arm/arch-ep93xx/ts72xx.h b/include/asm-arm/arch-ep93xx/ts72xx.h
new file mode 100644
index 00000000000..412215e77f4
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/ts72xx.h
@@ -0,0 +1,90 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/ts72xx.h
+ */
+
+/*
+ * TS72xx memory map:
+ *
+ * virt phys size
+ * febff000 22000000 4K model number register
+ * febfe000 22400000 4K options register
+ * febfd000 22800000 4K options register #2
+ * febfc000 [67]0000000 4K NAND data register
+ * febfb000 [67]0400000 4K NAND control register
+ * febfa000 [67]0800000 4K NAND busy register
+ */
+
+#define TS72XX_MODEL_PHYS_BASE 0x22000000
+#define TS72XX_MODEL_VIRT_BASE 0xfebff000
+#define TS72XX_MODEL_SIZE 0x00001000
+
+#define TS72XX_MODEL_TS7200 0x00
+#define TS72XX_MODEL_TS7250 0x01
+#define TS72XX_MODEL_TS7260 0x02
+
+
+#define TS72XX_OPTIONS_PHYS_BASE 0x22400000
+#define TS72XX_OPTIONS_VIRT_BASE 0xfebfe000
+#define TS72XX_OPTIONS_SIZE 0x00001000
+
+#define TS72XX_OPTIONS_COM2_RS485 0x02
+#define TS72XX_OPTIONS_MAX197 0x01
+
+
+#define TS72XX_OPTIONS2_PHYS_BASE 0x22800000
+#define TS72XX_OPTIONS2_VIRT_BASE 0xfebfd000
+#define TS72XX_OPTIONS2_SIZE 0x00001000
+
+#define TS72XX_OPTIONS2_TS9420 0x04
+#define TS72XX_OPTIONS2_TS9420_BOOT 0x02
+
+
+#define TS72XX_NOR_PHYS_BASE 0x60000000
+#define TS72XX_NOR2_PHYS_BASE 0x62000000
+
+#define TS72XX_NAND1_DATA_PHYS_BASE 0x60000000
+#define TS72XX_NAND2_DATA_PHYS_BASE 0x70000000
+#define TS72XX_NAND_DATA_VIRT_BASE 0xfebfc000
+#define TS72XX_NAND_DATA_SIZE 0x00001000
+
+#define TS72XX_NAND1_CONTROL_PHYS_BASE 0x60400000
+#define TS72XX_NAND2_CONTROL_PHYS_BASE 0x70400000
+#define TS72XX_NAND_CONTROL_VIRT_BASE 0xfebfb000
+#define TS72XX_NAND_CONTROL_SIZE 0x00001000
+
+#define TS72XX_NAND1_BUSY_PHYS_BASE 0x60800000
+#define TS72XX_NAND2_BUSY_PHYS_BASE 0x70800000
+#define TS72XX_NAND_BUSY_VIRT_BASE 0xfebfa000
+#define TS72XX_NAND_BUSY_SIZE 0x00001000
+
+
+#ifndef __ASSEMBLY__
+#include <asm/io.h>
+
+static inline int board_is_ts7200(void)
+{
+ return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7200;
+}
+
+static inline int board_is_ts7250(void)
+{
+ return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7250;
+}
+
+static inline int board_is_ts7260(void)
+{
+ return __raw_readb(TS72XX_MODEL_VIRT_BASE) == TS72XX_MODEL_TS7260;
+}
+
+static inline int is_max197_installed(void)
+{
+ return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
+ TS72XX_OPTIONS_MAX197);
+}
+
+static inline int is_ts9420_installed(void)
+{
+ return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
+ TS72XX_OPTIONS2_TS9420);
+}
+#endif
diff --git a/include/asm-arm/arch-ep93xx/uncompress.h b/include/asm-arm/arch-ep93xx/uncompress.h
new file mode 100644
index 00000000000..4410d217077
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/uncompress.h
@@ -0,0 +1,53 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/uncompress.h
+ *
+ * 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 <asm/arch/ep93xx-regs.h>
+
+static unsigned char __raw_readb(unsigned int ptr)
+{
+ return *((volatile unsigned char *)ptr);
+}
+
+static void __raw_writeb(unsigned char value, unsigned int ptr)
+{
+ *((volatile unsigned char *)ptr) = value;
+}
+
+
+#define PHYS_UART1_DATA 0x808c0000
+#define PHYS_UART1_FLAG 0x808c0018
+#define UART1_FLAG_TXFF 0x20
+
+static __inline__ void putc(char c)
+{
+ int i;
+
+ for (i = 0; i < 1000; i++) {
+ /* Transmit fifo not full? */
+ if (!(__raw_readb(PHYS_UART1_FLAG) & UART1_FLAG_TXFF))
+ break;
+ }
+
+ __raw_writeb(c, PHYS_UART1_DATA);
+}
+
+static void putstr(const char *s)
+{
+ while (*s) {
+ putc(*s);
+ if (*s == '\n')
+ putc('\r');
+ s++;
+ }
+}
+
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/include/asm-arm/arch-ep93xx/vmalloc.h b/include/asm-arm/arch-ep93xx/vmalloc.h
new file mode 100644
index 00000000000..205ea6b1cf5
--- /dev/null
+++ b/include/asm-arm/arch-ep93xx/vmalloc.h
@@ -0,0 +1,5 @@
+/*
+ * linux/include/asm-arm/arch-ep93xx/vmalloc.h
+ */
+
+#define VMALLOC_END 0xfe800000