Patchwork [U-Boot,v4,1/2] AT91: Makes AT91SAM9RL SoC build correctly against u-boot-atmel/master

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Submitter Reinhard Meyer
Date Aug. 1, 2011, 1:56 p.m.
Message ID <1312206992-17390-1-git-send-email-u-boot@emk-elektronik.de>
Download mbox | patch
Permalink /patch/107741/
State Accepted
Commit f87353f0d96304d4768937973fa3ab83413d3433
Delegated to: Reinhard Meyer
Headers show

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Reinhard Meyer - Aug. 1, 2011, 1:56 p.m.
From: Xu, Hong <Hong.Xu@atmel.com>

Rework for AT91SAM9RL SoC, makes it build again.
Based on the work for AT91SAM9260-EK.
V4: US->USART, cosmetics

Signed-off-by: Hong Xu <hong.xu@atmel.com>
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
---
 arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c   |   74 ++++----
 arch/arm/include/asm/arch-at91/at91sam9rl.h        |  185 ++++++++++----------
 arch/arm/include/asm/arch-at91/at91sam9rl_matrix.h |  121 +++++--------
 3 files changed, 171 insertions(+), 209 deletions(-)

Patch

diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c
index 4f570f4..b0a1687 100644
--- a/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9rl_devices.c
@@ -23,77 +23,73 @@ 
  */
 
 #include <common.h>
+#include <asm/io.h>
 #include <asm/arch/at91_common.h>
 #include <asm/arch/at91_pmc.h>
 #include <asm/arch/gpio.h>
-#include <asm/arch/io.h>
+
+/*
+ * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all
+ * peripheral pins. Good to have if hardware is soldered optionally
+ * or in case of SPI no slave is selected. Avoid lines to float
+ * needlessly. Use a short local PUP define.
+ *
+ * Due to errata "TXD floats when CTS is inactive" pullups are always
+ * on for TXD pins.
+ */
+#ifdef CONFIG_AT91_GPIO_PULLUP
+# define PUP CONFIG_AT91_GPIO_PULLUP
+#else
+# define PUP 0
+#endif
 
 void at91_serial0_hw_init(void)
 {
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
 
 	at91_set_a_periph(AT91_PIO_PORTA, 6, 1);		/* TXD0 */
-	at91_set_a_periph(AT91_PIO_PORTA, 7, 0);		/* RXD0 */
-	writel(1 << AT91SAM9RL_ID_US0, &pmc->pcer);
+	at91_set_a_periph(AT91_PIO_PORTA, 7, PUP);		/* RXD0 */
+	writel(1 << ATMEL_ID_USART0, &pmc->pcer);
 }
 
 void at91_serial1_hw_init(void)
 {
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
 
 	at91_set_a_periph(AT91_PIO_PORTA, 11, 1);		/* TXD1 */
-	at91_set_a_periph(AT91_PIO_PORTA, 12, 0);		/* RXD1 */
-	writel(1 << AT91SAM9RL_ID_US1, &pmc->pcer);
+	at91_set_a_periph(AT91_PIO_PORTA, 12, PUP);		/* RXD1 */
+	writel(1 << ATMEL_ID_USART1, &pmc->pcer);
 }
 
 void at91_serial2_hw_init(void)
 {
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
 
 	at91_set_a_periph(AT91_PIO_PORTA, 13, 1);		/* TXD2 */
-	at91_set_a_periph(AT91_PIO_PORTA, 14, 0);		/* RXD2 */
-	writel(1 << AT91SAM9RL_ID_US2, &pmc->pcer);
+	at91_set_a_periph(AT91_PIO_PORTA, 14, PUP);		/* RXD2 */
+	writel(1 << ATMEL_ID_USART2, &pmc->pcer);
 }
 
-void at91_serial3_hw_init(void)
+void at91_seriald_hw_init(void)
 {
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
 
-	at91_set_a_periph(AT91_PIO_PORTA, 21, 0);		/* DRXD */
+	at91_set_a_periph(AT91_PIO_PORTA, 21, PUP);		/* DRXD */
 	at91_set_a_periph(AT91_PIO_PORTA, 22, 1);		/* DTXD */
-	writel(1 << AT91_ID_SYS, &pmc->pcer);
-}
-
-void at91_serial_hw_init(void)
-{
-#ifdef CONFIG_USART0
-	at91_serial0_hw_init();
-#endif
-
-#ifdef CONFIG_USART1
-	at91_serial1_hw_init();
-#endif
-
-#ifdef CONFIG_USART2
-	at91_serial2_hw_init();
-#endif
-
-#ifdef CONFIG_USART3	/* DBGU */
-	at91_serial3_hw_init();
-#endif
+	writel(1 << ATMEL_ID_SYS, &pmc->pcer);
 }
 
-#ifdef CONFIG_HAS_DATAFLASH
+#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI)
 void at91_spi0_hw_init(unsigned long cs_mask)
 {
-	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
+	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;
 
-	at91_set_a_periph(AT91_PIO_PORTA, 25, 0);	/* SPI0_MISO */
-	at91_set_a_periph(AT91_PIO_PORTA, 26, 0);	/* SPI0_MOSI */
-	at91_set_a_periph(AT91_PIO_PORTA, 27, 0);	/* SPI0_SPCK */
+	at91_set_a_periph(AT91_PIO_PORTA, 25, PUP);	/* SPI0_MISO */
+	at91_set_a_periph(AT91_PIO_PORTA, 26, PUP);	/* SPI0_MOSI */
+	at91_set_a_periph(AT91_PIO_PORTA, 27, PUP);	/* SPI0_SPCK */
 
 	/* Enable clock */
-	writel(1 << AT91SAM9RL_ID_SPI, &pmc->pcer);
+	writel(1 << ATMEL_ID_SPI, &pmc->pcer);
 
 	if (cs_mask & (1 << 0)) {
 		at91_set_a_periph(AT91_PIO_PORTA, 28, 1);
diff --git a/arch/arm/include/asm/arch-at91/at91sam9rl.h b/arch/arm/include/asm/arch-at91/at91sam9rl.h
index 8eb0d4f..00b6aa4 100644
--- a/arch/arm/include/asm/arch-at91/at91sam9rl.h
+++ b/arch/arm/include/asm/arch-at91/at91sam9rl.h
@@ -15,116 +15,117 @@ 
 #define AT91SAM9RL_H
 
 /*
- * Peripheral identifiers/interrupts.
+ * defines to be used in other places
  */
-#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) */
-
-#define AT91_SDRAMC_BASE	0xffffea00
-#define AT91_SMC_BASE		0xffffec00
-#define AT91_MATRIX_BASE	0xffffee00
-#define AT91_PIO_BASE		0xfffff400
-#define AT91_PMC_BASE		0xfffffc00
-#define AT91_RSTC_BASE		0xfffffd00
-#define AT91_PIT_BASE		0xfffffd30
-#define AT91_WDT_BASE		0xfffffd40
+#define CONFIG_ARM926EJS	/* ARM926EJS Core */
+#define CONFIG_AT91FAMILY	/* it's a member of AT91 */
 
-#ifdef CONFIG_AT91_LEGACY
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define ATMEL_ID_FIQ	0	/* Advanced Interrupt Controller (FIQ) */
+#define ATMEL_ID_SYS	1	/* System Peripherals */
+#define ATMEL_ID_PIOA	2	/* Parallel IO Controller A */
+#define ATMEL_ID_PIOB	3	/* Parallel IO Controller B */
+#define ATMEL_ID_PIOC	4	/* Parallel IO Controller C */
+#define ATMEL_ID_PIOD	5	/* Parallel IO Controller D */
+#define ATMEL_ID_USART0	6	/* USART 0 */
+#define ATMEL_ID_USART1	7	/* USART 1 */
+#define ATMEL_ID_USART2	8	/* USART 2 */
+#define ATMEL_ID_USART3	9	/* USART 3 */
+#define ATMEL_ID_MCI	10	/* Multimedia Card Interface */
+#define ATMEL_ID_TWI0	11	/* TWI 0 */
+#define ATMEL_ID_TWI1	12	/* TWI 1 */
+#define ATMEL_ID_SPI	13	/* Serial Peripheral Interface */
+#define ATMEL_ID_SSC0	14	/* Serial Synchronous Controller 0 */
+#define ATMEL_ID_SSC1	15	/* Serial Synchronous Controller 1 */
+#define ATMEL_ID_TC0	16	/* Timer Counter 0 */
+#define ATMEL_ID_TC1	17	/* Timer Counter 1 */
+#define ATMEL_ID_TC2	18	/* Timer Counter 2 */
+#define ATMEL_ID_PWMC	19	/* Pulse Width Modulation Controller */
+#define ATMEL_ID_TSC	20	/* Touch Screen Controller */
+#define ATMEL_ID_DMA	21	/* DMA Controller */
+#define ATMEL_ID_UDPHS	22	/* USB Device HS */
+#define ATMEL_ID_LCDC	23	/* LCD Controller */
+#define ATMEL_ID_AC97C	24	/* AC97 Controller */
+#define ATMEL_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
+#define ATMEL_BASE_TCB0		0xfffa0000
+#define ATMEL_BASE_TC0		0xfffa0000
+#define ATMEL_BASE_TC1		0xfffa0040
+#define ATMEL_BASE_TC2		0xfffa0080
+#define ATMEL_BASE_MCI		0xfffa4000
+#define ATMEL_BASE_TWI0		0xfffa8000
+#define ATMEL_BASE_TWI1		0xfffac000
+#define ATMEL_BASE_USART0	0xfffb0000
+#define ATMEL_BASE_USART1	0xfffb4000
+#define ATMEL_BASE_USART2	0xfffb8000
+#define ATMEL_BASE_USART3	0xfffbc000
+#define ATMEL_BASE_SSC0		0xfffc0000
+#define ATMEL_BASE_SSC1		0xfffc4000
+#define ATMEL_BASE_PWMC		0xfffc8000
+#define ATMEL_BASE_SPI0		0xfffcc000
+#define ATMEL_BASE_TSC		0xfffd0000
+#define ATMEL_BASE_UDPHS	0xfffd4000
+#define ATMEL_BASE_AC97C	0xfffd8000
+#define ATMEL_BASE_SYS		0xffffc000
 
 /*
- * System Peripherals (offset from AT91_BASE_SYS)
+ * System Peripherals
  */
-#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)
-
-#define AT91_USART0	AT91SAM9RL_BASE_US0
-#define AT91_USART1	AT91SAM9RL_BASE_US1
-#define AT91_USART2	AT91SAM9RL_BASE_US2
-#define AT91_USART3	AT91SAM9RL_BASE_US3
-
-#endif /* CONFIG_AT91_LEGACY */
+#define ATMEL_BASE_DMA		0xffffe600
+#define ATMEL_BASE_ECC		0xffffe800
+#define ATMEL_BASE_SDRAMC	0xffffea00
+#define ATMEL_BASE_SMC		0xffffec00
+#define ATMEL_BASE_MATRIX	0xffffee00
+#define ATMEL_BASE_CCFG		0xffffef10
+#define ATMEL_BASE_AIC		0xfffff000
+#define ATMEL_BASE_DBGU		0xfffff200
+#define ATMEL_BASE_PIOA		0xfffff400
+#define ATMEL_BASE_PIOB		0xfffff600
+#define ATMEL_BASE_PIOC		0xfffff800
+#define ATMEL_BASE_PIOD		0xfffffa00
+#define ATMEL_BASE_PMC		0xfffffc00
+#define ATMEL_BASE_RSTC		0xfffffd00
+#define ATMEL_BASE_SHDWC	0xfffffd10
+#define ATMEL_BASE_RTT		0xfffffd20
+#define ATMEL_BASE_PIT		0xfffffd30
+#define ATMEL_BASE_WDT		0xfffffd40
+#define ATMEL_BASE_SCKCR	0xfffffd50
+#define ATMEL_BASE_GPBR		0xfffffd60
+#define ATMEL_BASE_RTC		0xfffffe00
 
 /*
  * Internal Memory.
  */
-#define AT91SAM9RL_SRAM_BASE	0x00300000	/* Internal SRAM base address */
-#define AT91SAM9RL_SRAM_SIZE	SZ_16K		/* Internal SRAM size (16Kb) */
+#define ATMEL_BASE_SRAM		0x00300000	/* Internal SRAM base address */
+#define ATMEL_BASE_ROM		0x00400000	/* Internal ROM base address */
+
+#define ATMEL_BASE_LCDC		0x00500000	/* LCD Controller */
+#define ATMEL_UHP_BASE		0x00600000	/* USB Device HS controller */
 
-#define AT91SAM9RL_ROM_BASE	0x00400000	/* Internal ROM base address */
-#define AT91SAM9RL_ROM_SIZE	(2 * SZ_16K)	/* Internal ROM size (32Kb) */
+/*
+ * External memory
+ */
+#define ATMEL_BASE_CS0		0x10000000
+#define ATMEL_BASE_CS1		0x20000000	/* SDRAM */
+#define ATMEL_BASE_CS2		0x30000000
+#define ATMEL_BASE_CS3		0x40000000	/* NAND */
+#define ATMEL_BASE_CS4		0x50000000	/* Compact Flash Slot 0 */
+#define ATMEL_BASE_CS5		0x60000000	/* Compact Flash Slot 1 */
 
-#define AT91SAM9RL_LCDC_BASE	0x00500000	/* LCD Controller */
-#define AT91SAM9RL_UDPHS_BASE	0x00600000	/* USB Device HS controller */
+/*
+ * Other misc defines
+ */
+#define ATMEL_PIO_PORTS		4		/* this SoC has 4 PIO */
+#define ATMEL_BASE_PIO		ATMEL_BASE_PIOA
 
 /*
  * Cpu Name
  */
-#define CONFIG_SYS_AT91_CPU_NAME	"AT91SAM9RL"
+#define ATMEL_CPU_NAME		"AT91SAM9RL"
 
 #endif
diff --git a/arch/arm/include/asm/arch-at91/at91sam9rl_matrix.h b/arch/arm/include/asm/arch-at91/at91sam9rl_matrix.h
index af8d914..295f768 100644
--- a/arch/arm/include/asm/arch-at91/at91sam9rl_matrix.h
+++ b/arch/arm/include/asm/arch-at91/at91sam9rl_matrix.h
@@ -14,83 +14,48 @@ 
 #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	(0xf  << 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)
-
+#ifndef __ASSEMBLY__
+
+struct at91_matrix {
+	u32	mcfg[16];	/* Master Configuration Registers */
+	u32	scfg[16];	/* Slave Configuration Registers */
+	u32	pras[16][2];	/* Priority Assignment Slave Registers */
+	u32	mrcr;		/* Master Remap Control Register */
+	u32	filler[7];
+	u32	ebicsa;		/* EBI Chip Select Assignment Register */
+};
+
+#endif /* __ASSEMBLY__ */
+
+#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_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_SHIFT	18
+#define AT91_MATRIX_ARBT_ROUND_ROBIN	(0 << 24)
+#define AT91_MATRIX_ARBT_FIXED_PRIORITY	(1 << 24)
+
+#define AT91_MATRIX_M0PR_SHIFT		0
+#define AT91_MATRIX_M1PR_SHIFT		4
+#define AT91_MATRIX_M2PR_SHIFT		8
+#define AT91_MATRIX_M3PR_SHIFT		12
+#define AT91_MATRIX_M4PR_SHIFT		16
+#define AT91_MATRIX_M5PR_SHIFT		20
+
+#define AT91_MATRIX_RCB0		(1 << 0)
+#define AT91_MATRIX_RCB1		(1 << 1)
+
+#define AT91_MATRIX_CS1A_SDRAMC		(1 << 1)
+#define AT91_MATRIX_CS3A_SMC_SMARTMEDIA	(1 << 3)
+#define AT91_MATRIX_CS4A_SMC_CF1	(1 << 4)
+#define AT91_MATRIX_CS5A_SMC_CF2	(1 << 5)
+#define AT91_MATRIX_DBPUC		(1 << 8)
+#define AT91_MATRIX_VDDIOMSEL_1_8V	(0 << 16)
+#define AT91_MATRIX_VDDIOMSEL_3_3V	(1 << 16)
 
 #endif