[ARM] 4370/3: AT91: Support for Atmel AT91SAM9RL processors.

Add support for Atmel's new AT91SAM9RL range of processors.
Includes similar peripherals as other AT91SAM9 processors, but with a
High-speed USB controller and various sizes of internal SRAM.

Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

5 files changed, 222 insertions, 0 deletions

diff --git a/include/asm-arm/arch-at91/at91sam9rl.h b/include/asm-arm/arch-at91/at91sam9rl.h
new file mode 100644
index 0000000..8a9708a
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91sam9rl.h
@@ -0,0 +1,110 @@
+/*
+ * include/asm-arm/arch-at91/at91sam9260.h
+ *
+ *  Copyright (C) 2007 Atmel Corporation
+ *
+ * Common definitions.
+ * Based on AT91SAM9RL datasheet revision A. (Preliminary)
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#ifndef AT91SAM9RL_H
+#define AT91SAM9RL_H
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define AT91_ID_FIQ		0	/* Advanced Interrupt Controller (FIQ) */
+#define AT91_ID_SYS		1	/* System Controller */
+#define AT91SAM9RL_ID_PIOA	2	/* Parallel IO Controller A */
+#define AT91SAM9RL_ID_PIOB	3	/* Parallel IO Controller B */
+#define AT91SAM9RL_ID_PIOC	4	/* Parallel IO Controller C */
+#define AT91SAM9RL_ID_PIOD	5	/* Parallel IO Controller D */
+#define AT91SAM9RL_ID_US0	6	/* USART 0 */
+#define AT91SAM9RL_ID_US1	7	/* USART 1 */
+#define AT91SAM9RL_ID_US2	8	/* USART 2 */
+#define AT91SAM9RL_ID_US3	9	/* USART 3 */
+#define AT91SAM9RL_ID_MCI	10	/* Multimedia Card Interface */
+#define AT91SAM9RL_ID_TWI0	11	/* TWI 0 */
+#define AT91SAM9RL_ID_TWI1	12	/* TWI 1 */
+#define AT91SAM9RL_ID_SPI	13	/* Serial Peripheral Interface */
+#define AT91SAM9RL_ID_SSC0	14	/* Serial Synchronous Controller 0 */
+#define AT91SAM9RL_ID_SSC1	15	/* Serial Synchronous Controller 1 */
+#define AT91SAM9RL_ID_TC0	16	/* Timer Counter 0 */
+#define AT91SAM9RL_ID_TC1	17	/* Timer Counter 1 */
+#define AT91SAM9RL_ID_TC2	18	/* Timer Counter 2 */
+#define AT91SAM9RL_ID_PWMC	19	/* Pulse Width Modulation Controller */
+#define AT91SAM9RL_ID_TSC	20	/* Touch Screen Controller */
+#define AT91SAM9RL_ID_DMA	21	/* DMA Controller */
+#define AT91SAM9RL_ID_UDPHS	22	/* USB Device HS */
+#define AT91SAM9RL_ID_LCDC	23	/* LCD Controller */
+#define AT91SAM9RL_ID_AC97C	24	/* AC97 Controller */
+#define AT91SAM9RL_ID_IRQ0	31	/* Advanced Interrupt Controller (IRQ0) */
+
+
+/*
+ * User Peripheral physical base addresses.
+ */
+#define AT91SAM9RL_BASE_TCB0	0xfffa0000
+#define AT91SAM9RL_BASE_TC0	0xfffa0000
+#define AT91SAM9RL_BASE_TC1	0xfffa0040
+#define AT91SAM9RL_BASE_TC2	0xfffa0080
+#define AT91SAM9RL_BASE_MCI	0xfffa4000
+#define AT91SAM9RL_BASE_TWI0	0xfffa8000
+#define AT91SAM9RL_BASE_TWI1	0xfffac000
+#define AT91SAM9RL_BASE_US0	0xfffb0000
+#define AT91SAM9RL_BASE_US1	0xfffb4000
+#define AT91SAM9RL_BASE_US2	0xfffb8000
+#define AT91SAM9RL_BASE_US3	0xfffbc000
+#define AT91SAM9RL_BASE_SSC0	0xfffc0000
+#define AT91SAM9RL_BASE_SSC1	0xfffc4000
+#define AT91SAM9RL_BASE_PWMC	0xfffc8000
+#define AT91SAM9RL_BASE_SPI	0xfffcc000
+#define AT91SAM9RL_BASE_TSC	0xfffd0000
+#define AT91SAM9RL_BASE_UDPHS	0xfffd4000
+#define AT91SAM9RL_BASE_AC97C	0xfffd8000
+#define AT91_BASE_SYS		0xffffc000
+
+
+/*
+ * System Peripherals (offset from AT91_BASE_SYS)
+ */
+#define AT91_DMA	(0xffffe600 - AT91_BASE_SYS)
+#define AT91_ECC	(0xffffe800 - AT91_BASE_SYS)
+#define AT91_SDRAMC	(0xffffea00 - AT91_BASE_SYS)
+#define AT91_SMC	(0xffffec00 - AT91_BASE_SYS)
+#define AT91_MATRIX	(0xffffee00 - AT91_BASE_SYS)
+#define AT91_CCFG	(0xffffef10 - AT91_BASE_SYS)
+#define AT91_AIC	(0xfffff000 - AT91_BASE_SYS)
+#define AT91_DBGU	(0xfffff200 - AT91_BASE_SYS)
+#define AT91_PIOA	(0xfffff400 - AT91_BASE_SYS)
+#define AT91_PIOB	(0xfffff600 - AT91_BASE_SYS)
+#define AT91_PIOC	(0xfffff800 - AT91_BASE_SYS)
+#define AT91_PIOD	(0xfffffa00 - AT91_BASE_SYS)
+#define AT91_PMC	(0xfffffc00 - AT91_BASE_SYS)
+#define AT91_RSTC	(0xfffffd00 - AT91_BASE_SYS)
+#define AT91_SHDWC	(0xfffffd10 - AT91_BASE_SYS)
+#define AT91_RTT	(0xfffffd20 - AT91_BASE_SYS)
+#define AT91_PIT	(0xfffffd30 - AT91_BASE_SYS)
+#define AT91_WDT	(0xfffffd40 - AT91_BASE_SYS)
+#define AT91_SCKCR	(0xfffffd50 - AT91_BASE_SYS)
+#define AT91_GPBR	(0xfffffd60 - AT91_BASE_SYS)
+#define AT91_RTC	(0xfffffe00 - AT91_BASE_SYS)
+
+
+/*
+ * Internal Memory.
+ */
+#define AT91SAM9RL_SRAM_BASE	0x00300000	/* Internal SRAM base address */
+#define AT91SAM9RL_SRAM_SIZE	SZ_16K		/* Internal SRAM size (16Kb) */
+
+#define AT91SAM9RL_ROM_BASE	0x00400000	/* Internal ROM base address */
+#define AT91SAM9RL_ROM_SIZE	(2 * SZ_16K)	/* Internal ROM size (32Kb) */
+
+#define AT91SAM9RL_LCDC_BASE	0x00500000	/* LCD Controller */
+#define AT91SAM9RL_UDPHS_BASE	0x00600000	/* USB Device HS controller */
+
+#endif
diff --git a/include/asm-arm/arch-at91/at91sam9rl_matrix.h b/include/asm-arm/arch-at91/at91sam9rl_matrix.h
new file mode 100644
index 0000000..b15f11b
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91sam9rl_matrix.h
@@ -0,0 +1,96 @@
+/*
+ * include/asm-arm/arch-at91/at91sam9rl_matrix.h
+ *
+ *  Copyright (C) 2007 Atmel Corporation
+ *
+ * Memory Controllers (MATRIX, EBI) - System peripherals registers.
+ * Based on AT91SAM9RL datasheet revision A. (Preliminary)
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#ifndef AT91SAM9RL_MATRIX_H
+#define AT91SAM9RL_MATRIX_H
+
+#define AT91_MATRIX_MCFG0	(AT91_MATRIX + 0x00)	/* Master Configuration Register 0 */
+#define AT91_MATRIX_MCFG1	(AT91_MATRIX + 0x04)	/* Master Configuration Register 1 */
+#define AT91_MATRIX_MCFG2	(AT91_MATRIX + 0x08)	/* Master Configuration Register 2 */
+#define AT91_MATRIX_MCFG3	(AT91_MATRIX + 0x0C)	/* Master Configuration Register 3 */
+#define AT91_MATRIX_MCFG4	(AT91_MATRIX + 0x10)	/* Master Configuration Register 4 */
+#define AT91_MATRIX_MCFG5	(AT91_MATRIX + 0x14)	/* Master Configuration Register 5 */
+#define		AT91_MATRIX_ULBT	(7 << 0)	/* Undefined Length Burst Type */
+#define			AT91_MATRIX_ULBT_INFINITE	(0 << 0)
+#define			AT91_MATRIX_ULBT_SINGLE		(1 << 0)
+#define			AT91_MATRIX_ULBT_FOUR		(2 << 0)
+#define			AT91_MATRIX_ULBT_EIGHT		(3 << 0)
+#define			AT91_MATRIX_ULBT_SIXTEEN	(4 << 0)
+
+#define AT91_MATRIX_SCFG0	(AT91_MATRIX + 0x40)	/* Slave Configuration Register 0 */
+#define AT91_MATRIX_SCFG1	(AT91_MATRIX + 0x44)	/* Slave Configuration Register 1 */
+#define AT91_MATRIX_SCFG2	(AT91_MATRIX + 0x48)	/* Slave Configuration Register 2 */
+#define AT91_MATRIX_SCFG3	(AT91_MATRIX + 0x4C)	/* Slave Configuration Register 3 */
+#define AT91_MATRIX_SCFG4	(AT91_MATRIX + 0x50)	/* Slave Configuration Register 4 */
+#define AT91_MATRIX_SCFG5	(AT91_MATRIX + 0x54)	/* Slave Configuration Register 5 */
+#define		AT91_MATRIX_SLOT_CYCLE		(0xff << 0)	/* Maximum Number of Allowed Cycles for a Burst */
+#define		AT91_MATRIX_DEFMSTR_TYPE	(3    << 16)	/* Default Master Type */
+#define			AT91_MATRIX_DEFMSTR_TYPE_NONE	(0 << 16)
+#define			AT91_MATRIX_DEFMSTR_TYPE_LAST	(1 << 16)
+#define			AT91_MATRIX_DEFMSTR_TYPE_FIXED	(2 << 16)
+#define		AT91_MATRIX_FIXED_DEFMSTR	(7    << 18)	/* Fixed Index of Default Master */
+#define		AT91_MATRIX_ARBT		(3    << 24)	/* Arbitration Type */
+#define			AT91_MATRIX_ARBT_ROUND_ROBIN	(0 << 24)
+#define			AT91_MATRIX_ARBT_FIXED_PRIORITY	(1 << 24)
+
+#define AT91_MATRIX_PRAS0	(AT91_MATRIX + 0x80)	/* Priority Register A for Slave 0 */
+#define AT91_MATRIX_PRAS1	(AT91_MATRIX + 0x88)	/* Priority Register A for Slave 1 */
+#define AT91_MATRIX_PRAS2	(AT91_MATRIX + 0x90)	/* Priority Register A for Slave 2 */
+#define AT91_MATRIX_PRAS3	(AT91_MATRIX + 0x98)	/* Priority Register A for Slave 3 */
+#define AT91_MATRIX_PRAS4	(AT91_MATRIX + 0xA0)	/* Priority Register A for Slave 4 */
+#define AT91_MATRIX_PRAS5	(AT91_MATRIX + 0xA8)	/* Priority Register A for Slave 5 */
+#define		AT91_MATRIX_M0PR		(3 << 0)	/* Master 0 Priority */
+#define		AT91_MATRIX_M1PR		(3 << 4)	/* Master 1 Priority */
+#define		AT91_MATRIX_M2PR		(3 << 8)	/* Master 2 Priority */
+#define		AT91_MATRIX_M3PR		(3 << 12)	/* Master 3 Priority */
+#define		AT91_MATRIX_M4PR		(3 << 16)	/* Master 4 Priority */
+#define		AT91_MATRIX_M5PR		(3 << 20)	/* Master 5 Priority */
+
+#define AT91_MATRIX_MRCR	(AT91_MATRIX + 0x100)	/* Master Remap Control Register */
+#define		AT91_MATRIX_RCB0		(1 << 0)	/* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */
+#define		AT91_MATRIX_RCB1		(1 << 1)	/* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */
+#define		AT91_MATRIX_RCB2		(1 << 2)
+#define		AT91_MATRIX_RCB3		(1 << 3)
+#define		AT91_MATRIX_RCB4		(1 << 4)
+#define		AT91_MATRIX_RCB5		(1 << 5)
+
+#define AT91_MATRIX_TCMR	(AT91_MATRIX + 0x114)	/* TCM Configuration Register */
+#define		AT91_MATRIX_ITCM_SIZE		(0xf << 0)	/* Size of ITCM enabled memory block */
+#define			AT91_MATRIX_ITCM_0		(0 << 0)
+#define			AT91_MATRIX_ITCM_16		(5 << 0)
+#define			AT91_MATRIX_ITCM_32		(6 << 0)
+#define		AT91_MATRIX_DTCM_SIZE		(0xf << 4)	/* Size of DTCM enabled memory block */
+#define			AT91_MATRIX_DTCM_0		(0 << 4)
+#define			AT91_MATRIX_DTCM_16		(5 << 4)
+#define			AT91_MATRIX_DTCM_32		(6 << 4)
+
+#define AT91_MATRIX_EBICSA	(AT91_MATRIX + 0x120)	/* EBI0 Chip Select Assignment Register */
+#define		AT91_MATRIX_CS1A		(1 << 1)	/* Chip Select 1 Assignment */
+#define			AT91_MATRIX_CS1A_SMC		(0 << 1)
+#define			AT91_MATRIX_CS1A_SDRAMC		(1 << 1)
+#define		AT91_MATRIX_CS3A		(1 << 3)	/* Chip Select 3 Assignment */
+#define			AT91_MATRIX_CS3A_SMC		(0 << 3)
+#define			AT91_MATRIX_CS3A_SMC_SMARTMEDIA	(1 << 3)
+#define		AT91_MATRIX_CS4A		(1 << 4)	/* Chip Select 4 Assignment */
+#define			AT91_MATRIX_CS4A_SMC		(0 << 4)
+#define			AT91_MATRIX_CS4A_SMC_CF1	(1 << 4)
+#define		AT91_MATRIX_CS5A		(1 << 5)	/* Chip Select 5 Assignment */
+#define			AT91_MATRIX_CS5A_SMC		(0 << 5)
+#define			AT91_MATRIX_CS5A_SMC_CF2	(1 << 5)
+#define		AT91_MATRIX_DBPUC		(1 << 8)	/* Data Bus Pull-up Configuration */
+#define		AT91_MATRIX_VDDIOMSEL		(1 << 16)	/* Memory voltage selection */
+#define			AT91_MATRIX_VDDIOMSEL_1_8V	(0 << 16)
+#define			AT91_MATRIX_VDDIOMSEL_3_3V	(1 << 16)
+
+
+#endif
diff --git a/include/asm-arm/arch-at91/cpu.h b/include/asm-arm/arch-at91/cpu.h
index 7ef4eeb..ef93c30 100644
--- a/include/asm-arm/arch-at91/cpu.h
+++ b/include/asm-arm/arch-at91/cpu.h
@@ -26,6 +26,8 @@
 #define ARCH_ID_AT91SAM9XE256	0x329a93a0
 #define ARCH_ID_AT91SAM9XE512	0x329aa3a0
 
+#define ARCH_ID_AT91SAM9RL64	0x019b03a0
+
 static inline unsigned long at91_cpu_identify(void)
 {
 	return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
@@ -68,6 +70,13 @@ static inline unsigned long at91_arch_identify(void)
 #define cpu_is_at91sam9263()	(0)
 #endif
 
+#ifdef CONFIG_ARCH_AT91SAM9RL
+#define cpu_is_at91sam9rl()	(at91_cpu_identify() == ARCH_ID_AT91SAM9RL64)
+#else
+#define cpu_is_at91sam9rl()	(0)
+#endif
+
+
 /*
  * Since this is ARM, we will never run on any AVR32 CPU. But these
  * definitions may reduce clutter in common drivers.
diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h
index 28133e0..0e51ad2 100644
--- a/include/asm-arm/arch-at91/hardware.h
+++ b/include/asm-arm/arch-at91/hardware.h
@@ -24,6 +24,8 @@
 #include <asm/arch/at91sam9261.h>
 #elif defined(CONFIG_ARCH_AT91SAM9263)
 #include <asm/arch/at91sam9263.h>
+#elif defined(CONFIG_ARCH_AT91SAM9RL)
+#include <asm/arch/at91sam9rl.h>
 #else
 #error "Unsupported AT91 processor"
 #endif
diff --git a/include/asm-arm/arch-at91/timex.h b/include/asm-arm/arch-at91/timex.h
index f41636d..2df1ee1 100644
--- a/include/asm-arm/arch-at91/timex.h
+++ b/include/asm-arm/arch-at91/timex.h
@@ -37,6 +37,11 @@
 #define AT91SAM9_MASTER_CLOCK	99959500
 #define CLOCK_TICK_RATE		(AT91SAM9_MASTER_CLOCK/16)
 
+#elif defined(CONFIG_ARCH_AT91SAM9RL)
+
+#define AT91SAM9_MASTER_CLOCK	100000000
+#define CLOCK_TICK_RATE		(AT91SAM9_MASTER_CLOCK/16)
+
 #endif
 
 #endif