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authorGreg Ungerer <gerg@snapgear.com>2007-06-04 06:45:38 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-07-12 11:11:21 +0100
commit70672224009bc3d4d6713337b3456bc7ab71d52b (patch)
tree3a2e0bca862e32075fed5310580a9cdd74a740ab /include/asm-arm/arch-at91
parentb54942f8203689014f80ec89c55ccb1f48ab1166 (diff)
[ARM] 4427/1: base Atmel at91x40 architecture defines
Base at91x40 architecture support defines. These parts are somewhat simpler than the ARM9 Atmel based parts. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-at91')
-rw-r--r--include/asm-arm/arch-at91/at91x40.h55
-rw-r--r--include/asm-arm/arch-at91/cpu.h5
-rw-r--r--include/asm-arm/arch-at91/timex.h5
3 files changed, 65 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91/at91x40.h b/include/asm-arm/arch-at91/at91x40.h
new file mode 100644
index 00000000000..612203e0177
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91x40.h
@@ -0,0 +1,55 @@
+/*
+ * include/asm-arm/arch-at91/at91x40.h
+ *
+ * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
+ *
+ * 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.
+ */
+
+#ifndef AT91X40_H
+#define AT91X40_H
+
+/*
+ * IRQ list.
+ */
+#define AT91_ID_FIQ 0 /* FIQ */
+#define AT91_ID_SYS 1 /* System Peripheral */
+#define AT91X40_ID_USART0 2 /* USART port 0 */
+#define AT91X40_ID_USART1 3 /* USART port 1 */
+#define AT91X40_ID_TC0 4 /* Timer/Counter 0 */
+#define AT91X40_ID_TC1 5 /* Timer/Counter 1*/
+#define AT91X40_ID_TC2 6 /* Timer/Counter 2*/
+#define AT91X40_ID_WD 7 /* Watchdog? */
+#define AT91X40_ID_PIOA 8 /* Parallel IO Controller A */
+
+#define AT91X40_ID_IRQ0 16 /* External IRQ 0 */
+#define AT91X40_ID_IRQ1 17 /* External IRQ 1 */
+#define AT91X40_ID_IRQ2 18 /* External IRQ 2 */
+
+/*
+ * System Peripherals (offset from AT91_BASE_SYS)
+ */
+#define AT91_BASE_SYS 0xffc00000
+
+#define AT91_EBI (0xffe00000 - AT91_BASE_SYS) /* External Bus Interface */
+#define AT91_SF (0xfff00000 - AT91_BASE_SYS) /* Special Function */
+#define AT91_USART1 (0xfffcc000 - AT91_BASE_SYS) /* USART 1 */
+#define AT91_USART0 (0xfffd0000 - AT91_BASE_SYS) /* USART 0 */
+#define AT91_TC (0xfffe0000 - AT91_BASE_SYS) /* Timer Counter */
+#define AT91_PIOA (0xffff0000 - AT91_BASE_SYS) /* PIO Controller A */
+#define AT91_PS (0xffff4000 - AT91_BASE_SYS) /* Power Save */
+#define AT91_WD (0xffff8000 - AT91_BASE_SYS) /* Watchdog Timer */
+#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) /* Advanced Interrupt Controller */
+
+/*
+ * The AT91x40 series doesn't have a debug unit like the other AT91 parts.
+ * But it does have a chip identify register and extension ID, so define at
+ * least these here.
+ */
+#define AT91_DBGU_CIDR (AT91_SF + 0) /* CIDR in PS segment */
+#define AT91_DBGU_EXID (AT91_SF + 4) /* EXID in PS segment */
+
+#endif /* AT91X40_H */
diff --git a/include/asm-arm/arch-at91/cpu.h b/include/asm-arm/arch-at91/cpu.h
index ef93c30a9c5..080cbb401a8 100644
--- a/include/asm-arm/arch-at91/cpu.h
+++ b/include/asm-arm/arch-at91/cpu.h
@@ -28,6 +28,11 @@
#define ARCH_ID_AT91SAM9RL64 0x019b03a0
+#define ARCH_ID_AT91M40800 0x14080044
+#define ARCH_ID_AT91R40807 0x44080746
+#define ARCH_ID_AT91M40807 0x14080745
+#define ARCH_ID_AT91R40008 0x44000840
+
static inline unsigned long at91_cpu_identify(void)
{
return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
diff --git a/include/asm-arm/arch-at91/timex.h b/include/asm-arm/arch-at91/timex.h
index 2df1ee12dfb..a310698fb4d 100644
--- a/include/asm-arm/arch-at91/timex.h
+++ b/include/asm-arm/arch-at91/timex.h
@@ -42,6 +42,11 @@
#define AT91SAM9_MASTER_CLOCK 100000000
#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
+#elif defined(CONFIG_ARCH_AT91X40)
+
+#define AT91X40_MASTER_CLOCK 40000000
+#define CLOCK_TICK_RATE (AT91X40_MASTER_CLOCK)
+
#endif
#endif