[U-Boot] [PATCH 04/11] at91sam9260ek: Convert to SoC

Alexander Stein alexander.stein at systec-electronic.com
Mon Nov 1 09:29:48 CET 2010


Signed-off-by: Alexander Stein <alexander.stein at systec-electronic.com>
---
 board/atmel/at91sam9260ek/at91sam9260ek.c |   88 +++++++++++++---------------
 board/atmel/at91sam9260ek/led.c           |   12 ++--
 include/configs/at91sam9260ek.h           |   12 ++--
 3 files changed, 53 insertions(+), 59 deletions(-)

diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c b/board/atmel/at91sam9260ek/at91sam9260ek.c
index 063ddbf..8126c4f 100644
--- a/board/atmel/at91sam9260ek/at91sam9260ek.c
+++ b/board/atmel/at91sam9260ek/at91sam9260ek.c
@@ -29,6 +29,7 @@
 #include <asm/arch/at91_common.h>
 #include <asm/arch/at91_pmc.h>
 #include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_matrix.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/io.h>
 #include <asm/arch/hardware.h>
@@ -48,48 +49,55 @@ DECLARE_GLOBAL_DATA_PTR;
 static void at91sam9260ek_nand_hw_init(void)
 {
 	unsigned long csa;
+	at91_smc_t	*smc 	= (at91_smc_t *) AT91_SMC_BASE;
+	at91_matrix_t	*matrix = (at91_matrix_t *) AT91_MATRIX_BASE;
+	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
 
 	/* Enable CS3 */
-	csa = at91_sys_read(AT91_MATRIX_EBICSA);
-	at91_sys_write(AT91_MATRIX_EBICSA,
-		       csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
+	csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
+	writel(csa, &matrix->csa);
 
 	/* Configure SMC CS3 for NAND/SmartMedia */
-	at91_sys_write(AT91_SMC_SETUP(3),
-		       AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
-		       AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
-	at91_sys_write(AT91_SMC_PULSE(3),
-		       AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
-		       AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
-	at91_sys_write(AT91_SMC_CYCLE(3),
-		       AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
-	at91_sys_write(AT91_SMC_MODE(3),
-		       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
-		       AT91_SMC_EXNWMODE_DISABLE |
+	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
+		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
+		&smc->cs[3].setup);
+
+	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
+		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
+		&smc->cs[3].pulse);
+
+	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
+		&smc->cs[3].cycle);
+	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+		AT91_SMC_MODE_EXNW_DISABLE |
 #ifdef CONFIG_SYS_NAND_DBW_16
-		       AT91_SMC_DBW_16 |
+		       AT91_SMC_MODE_DBW_16 |
 #else /* CONFIG_SYS_NAND_DBW_8 */
-		       AT91_SMC_DBW_8 |
+		       AT91_SMC_MODE_DBW_8 |
 #endif
-		       AT91_SMC_TDF_(2));
+		       AT91_SMC_MODE_TDF_CYCLE(2),
+		&smc->cs[3].mode);
 
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC);
+	writel(1 << AT91SAM9260_ID_PIOC, &pmc->pcer);
 
 	/* Configure RDY/BSY */
-	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
+	at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1);
 
 	/* Enable NandFlash */
-	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+	at91_set_pio_input(CONFIG_SYS_NAND_ENABLE_PIN, 1);
 }
 #endif
 
 #ifdef CONFIG_MACB
 static void at91sam9260ek_macb_hw_init(void)
 {
-	unsigned long rstc;
+	unsigned long erstl;
+	at91_pmc_t	*pmc	= (at91_pmc_t *) AT91_PMC_BASE;
+	at91_pio_t	*pio	= (at91_pio_t *) AT91_PIO_BASE;
+	at91_rstc_t	*rstc	= (at91_rstc_t *) AT91_RSTC_BASE;
 
 	/* Enable clock */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_EMAC);
+	writel(1 << AT91SAM9260_ID_EMAC, &pmc->pcer);
 
 	/*
 	 * Disable pull-up on:
@@ -102,39 +110,25 @@ static void at91sam9260ek_macb_hw_init(void)
 	 *
 	 * PHY has internal pull-down
 	 */
-	writel(pin_to_mask(AT91_PIN_PA14) |
-	       pin_to_mask(AT91_PIN_PA15) |
-	       pin_to_mask(AT91_PIN_PA17) |
-	       pin_to_mask(AT91_PIN_PA25) |
-	       pin_to_mask(AT91_PIN_PA26) |
-	       pin_to_mask(AT91_PIN_PA28),
-	       pin_to_controller(AT91_PIN_PA0) + PIO_PUDR);
 
-	rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
+	writel((1 << 17) | (1 << 14) | (1 << 15) | (1 << 25) | (1 << 26) | (1 << 28), &pio->pioa.pudr);
 
-	/* Need to reset PHY -> 500ms reset */
-	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
-				     (AT91_RSTC_ERSTL & (0x0D << 8)) |
-				     AT91_RSTC_URSTEN);
+	erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK;
 
-	at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
+	/* Need to reset PHY -> 500ms reset */
+	writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0x0D) |
+		AT91_RSTC_MR_URSTEN, &rstc->mr);
 
+	writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr);
 	/* Wait for end hardware reset */
-	while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
+	while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL))
+		;
 
 	/* Restore NRST value */
-	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
-				     (rstc) |
-				     AT91_RSTC_URSTEN);
+	writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr);
 
 	/* Re-enable pull-up */
-	writel(pin_to_mask(AT91_PIN_PA14) |
-	       pin_to_mask(AT91_PIN_PA15) |
-	       pin_to_mask(AT91_PIN_PA17) |
-	       pin_to_mask(AT91_PIN_PA25) |
-	       pin_to_mask(AT91_PIN_PA26) |
-	       pin_to_mask(AT91_PIN_PA28),
-	       pin_to_controller(AT91_PIN_PA0) + PIO_PUER);
+	writel((1 << 17) | (1 << 14) | (1 << 15) | (1 << 25) | (1 << 26) | (1 << 28), &pio->pioa.puer);
 
 	at91_macb_hw_init();
 }
@@ -186,7 +180,7 @@ int board_eth_init(bd_t *bis)
 {
 	int rc = 0;
 #ifdef CONFIG_MACB
-	rc = macb_eth_initialize(0, (void *)AT91SAM9260_BASE_EMAC, 0x00);
+	rc = macb_eth_initialize(0, (void *)AT91_EMAC_BASE, 0x00);
 #endif
 	return rc;
 }
diff --git a/board/atmel/at91sam9260ek/led.c b/board/atmel/at91sam9260ek/led.c
index 2424d27..fd29dd8 100644
--- a/board/atmel/at91sam9260ek/led.c
+++ b/board/atmel/at91sam9260ek/led.c
@@ -30,12 +30,14 @@
 
 void coloured_LED_init(void)
 {
+	at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+
 	/* Enable clock */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOA);
+	writel(1 << AT91SAM9260_ID_PIOA, &pmc->pcer);
 
-	at91_set_gpio_output(CONFIG_RED_LED, 1);
-	at91_set_gpio_output(CONFIG_GREEN_LED, 1);
+	at91_set_pio_output(CONFIG_RED_LED, 1);
+	at91_set_pio_output(CONFIG_GREEN_LED, 1);
 
-	at91_set_gpio_value(CONFIG_RED_LED, 0);
-	at91_set_gpio_value(CONFIG_GREEN_LED, 1);
+	at91_set_pio_output(CONFIG_RED_LED, 0);
+	at91_set_pio_output(CONFIG_GREEN_LED, 1);
 }
diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index 8aee5a6..bcce5d1 100644
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -29,8 +29,6 @@
 
 #include <asm/sizes.h>
 
-#define CONFIG_AT91_LEGACY
-
 /* ARM asynchronous clock */
 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* 18.432 MHz crystal */
 #define CONFIG_SYS_HZ		1000
@@ -65,8 +63,8 @@
 
 /* LED */
 #define CONFIG_AT91_LED
-#define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
-#define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
+#define	CONFIG_RED_LED		AT91_PIO_PORTA, 9	/* this is the power led */
+#define	CONFIG_GREEN_LED	AT91_PIO_PORTA, 6	/* this is the user led */
 
 #define CONFIG_BOOTDELAY	3
 
@@ -101,7 +99,7 @@
 
 /* DataFlash */
 #define CONFIG_ATMEL_DATAFLASH_SPI
-#define CONFIG_HAS_DATAFLASH		1
+#define CONFIG_HAS_DATAFLASH
 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
@@ -125,8 +123,8 @@
 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
 /* our CLE is AD22 */
 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
-#define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
-#define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC13
+#define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIO_PORTC, 14
+#define CONFIG_SYS_NAND_READY_PIN		AT91_PIO_PORTC, 13
 
 #endif
 
-- 
1.7.2.2



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