[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>

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 000000000000..612203e0177f
--- /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 ef93c30a9c5f..080cbb401a87 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 2df1ee12dfb7..a310698fb4da 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