[U-Boot] [PATCH] tny_a9260/tny_a9g20: update board to the new AT91 organization

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Thu Aug 4 14:48:56 CEST 2011


Cc: Albin Tonnerre <tonnerrealbin at gmail.com>
CC: Gregory Hermant <gregory.hermant at calao-systems.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
 board/calao/tny_a9260/tny_a9260.c |   55 ++++++++++++------------
 boards.cfg                        |    4 ++
 include/configs/tny_a9260.h       |   85 ++++++++++++++++++-------------------
 3 files changed, 73 insertions(+), 71 deletions(-)

diff --git a/board/calao/tny_a9260/tny_a9260.c b/board/calao/tny_a9260/tny_a9260.c
index d51ca15..ab51a33 100644
--- a/board/calao/tny_a9260/tny_a9260.c
+++ b/board/calao/tny_a9260/tny_a9260.c
@@ -26,14 +26,12 @@
  */
 
 #include <common.h>
-#include <asm/arch/at91sam9260.h>
 #include <asm/arch/at91sam9_matrix.h>
 #include <asm/arch/at91sam9_smc.h>
 #include <asm/arch/at91_common.h>
 #include <asm/arch/at91_pmc.h>
 #include <asm/arch/at91_rstc.h>
 #include <asm/arch/gpio.h>
-#include <asm/arch/io.h>
 #include <asm/arch/hardware.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -45,33 +43,36 @@ DECLARE_GLOBAL_DATA_PTR;
 
 static void tny_a9260_nand_hw_init(void)
 {
+	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
 	unsigned long csa;
 
-	/* Enable CS3 */
-	csa = at91_sys_read(AT91_MATRIX_EBICSA);
-	at91_sys_write(AT91_MATRIX_EBICSA,
-		       csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
+	/* Assign CS3 to NAND/SmartMedia Interface */
+	csa = readl(&matrix->ebicsa);
+	csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
+	writel(csa, &matrix->ebicsa);
 
 	/* 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 << ATMEL_ID_PIOC, &pmc->pcer);
 
 	/* Configure RDY/BSY */
 	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
@@ -91,9 +92,9 @@ int board_init(void)
 	gd->bd->bi_arch_number = MACH_TYPE_TNY_A9G20;
 #endif
 	/* adress of boot parameters */
-	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 
-	at91_serial_hw_init();
+	at91_seriald_hw_init();
 	tny_a9260_nand_hw_init();
 	at91_spi0_hw_init(1 << 5);
 	return 0;
@@ -101,10 +102,8 @@ int board_init(void)
 
 int dram_init(void)
 {
-	gd->bd->bi_dram[0].start = PHYS_SDRAM;
-	if(get_ram_size((long *) PHYS_SDRAM, PHYS_SDRAM_SIZE) != PHYS_SDRAM_SIZE)
-		return -1;
-
-	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+	gd->ram_size = get_ram_size(
+		(void *)CONFIG_SYS_SDRAM_BASE,
+		CONFIG_SYS_SDRAM_SIZE);
 	return 0;
 }
diff --git a/boards.cfg b/boards.cfg
index 38ccb8c..8d4f9e0 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -98,6 +98,10 @@ at91sam9xeek_dataflash_cs0   arm         arm926ejs   at91sam9260ek       atmel
 at91sam9xeek_dataflash_cs1   arm         arm926ejs   at91sam9260ek       atmel          at91        at91sam9260ek:AT91SAM9XE,SYS_USE_DATAFLASH_CS1
 snapper9260                  arm         arm926ejs   -                   bluewater      at91        snapper9260:AT91SAM9260
 snapper9g20                  arm         arm926ejs   snapper9260         bluewater      at91        snapper9260:AT91SAM9G20
+tny_a9g20_nandflash          arm         arm926ejs   tny_a9260           calao          at91        tny_a9260:AT91SAM9G20,SYS_USE_NANDFLASH
+tny_a9g20_eeprom             arm         arm926ejs   tny_a9260           calao          at91        tny_a9260:AT91SAM9G20,SYS_USE_EEPROM
+tny_a9260_nandflash          arm         arm926ejs   tny_a9260           calao          at91        tny_a9260:AT91SAM9260,SYS_USE_NANDFLASH
+tny_a9260_eeprom             arm         arm926ejs   tny_a9260           calao          at91        tny_a9260:AT91SAM9260,SYS_USE_EEPROM
 cpu9260                      arm         arm926ejs   cpu9260             eukrea         at91        cpu9260:CPU9260
 cpu9260_nand                 arm         arm926ejs   cpu9260             eukrea         at91        cpu9260:CPU9260,NANDBOOT
 cpu9260_128M                 arm         arm926ejs   cpu9260             eukrea         at91        cpu9260:CPU9260,CPU9260_128M
diff --git a/include/configs/tny_a9260.h b/include/configs/tny_a9260.h
index 7b18022..986aeba 100644
--- a/include/configs/tny_a9260.h
+++ b/include/configs/tny_a9260.h
@@ -30,19 +30,11 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
-#define CONFIG_AT91_LEGACY
-
-#if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9260_EEPROM)
-#define CONFIG_TNY_A9260
-#elif defined(CONFIG_TNY_A9G20_NANDFLASH) || defined(CONFIG_TNY_A9G20_EEPROM)
-#define CONFIG_TNY_A9G20
-#endif
-
-#ifdef CONFIG_TNY_A9260
-#define CONFIG_AT91SAM9260
-#else
-#define CONFIG_AT91SAM9G20
-#endif
+/*
+ * SoC must be defined first, before hardware.h is included.
+ * In this case SoC is defined in boards.cfg.
+ */
+#include <asm/hardware.h>
 
 #if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9G20_NANDFLASH)
 #define CONFIG_ENV_IS_IN_NAND
@@ -50,29 +42,36 @@
 #define CONFIG_ENV_IS_IN_EEPROM
 #endif
 
+/* Define actual evaluation board type from used processor type */
+#ifdef CONFIG_AT91SAM9G20
+# define CONFIG_TNY_A9G20
+#else
+# define CONFIG_TNY_A9260
+#endif
+
 /* ARM asynchronous clock */
+#define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
 #define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* 12 MHz crystal */
-#define CONFIG_SYS_HZ		1000
+#define CONFIG_SYS_HZ		        1000
 
-#define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core */
 #define CONFIG_ARCH_CPU_INIT
 #undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
-
-#define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
-#define CONFIG_SETUP_MEMORY_TAGS 1
-#define CONFIG_INITRD_TAG	1
-
+#define CONFIG_CMDLINE_TAG	        /* enable passing of ATAGs	*/
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
 #define CONFIG_SKIP_LOWLEVEL_INIT
 
 /*
  * Hardware drivers
  */
-#define CONFIG_AT91_GPIO	1
-#define CONFIG_ATMEL_USART	1
-#undef CONFIG_USART0
-#undef CONFIG_USART1
-#undef CONFIG_USART2
-#define CONFIG_USART3		1	/* USART 3 is DBGU */
+#define CONFIG_ATMEL_LEGACY
+#define CONFIG_AT91_GPIO
+
+#define CONFIG_ATMEL_USART
+#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
+#define	CONFIG_USART_ID			ATMEL_ID_SYS
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
 
 #define CONFIG_BOOTDELAY	3
 
@@ -86,13 +85,16 @@
 #undef CONFIG_CMD_IMLS
 #undef CONFIG_CMD_LOADS
 #undef CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
 #undef CONFIG_CMD_SOURCE
 #undef CONFIG_CMD_USB
 
 /* SDRAM */
 #define CONFIG_NR_DRAM_BANKS		1
-#define PHYS_SDRAM			0x20000000
-#define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
+#define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
+#define CONFIG_SYS_SDRAM_SIZE		0x04000000	/* 64 megs */
+# define CONFIG_SYS_INIT_SP_ADDR \
+	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
 
 /* SPI EEPROM */
 #define CONFIG_SPI
@@ -109,8 +111,8 @@
 #define CONFIG_CMD_NAND
 #define CONFIG_NAND_ATMEL
 #define CONFIG_SYS_MAX_NAND_DEVICE		1
-#define CONFIG_SYS_NAND_BASE			0x40000000
-#define CONFIG_SYS_NAND_DBW_8			1
+#define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
+#define CONFIG_SYS_NAND_DBW_8
 /* our ALE is AD21 */
 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
 /* our CLE is AD22 */
@@ -119,27 +121,27 @@
 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC13
 
 /* NOR flash - no real flash on this board */
-#define CONFIG_SYS_NO_FLASH			1
+#define CONFIG_SYS_NO_FLASH
 
-#define CONFIG_DOS_PARTITION		1
-#define CONFIG_CMD_FAT			1
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_FAT
 
 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
 
-#define CONFIG_SYS_MEMTEST_START		PHYS_SDRAM
+#define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
 #define CONFIG_SYS_MEMTEST_END			0x23e00000
 
 /* Env in EEPROM, bootstrap + u-boot in NAND*/
 #ifdef CONFIG_ENV_IS_IN_EEPROM
 #define CONFIG_ENV_OFFSET		0x20
-#define CONFIG_ENV_SIZE		0x1000
+#define CONFIG_ENV_SIZE		        0x1000
 #endif
 
 /* Env, bootstrap and u-boot in NAND */
 #ifdef CONFIG_ENV_IS_IN_NAND
-#define CONFIG_ENV_OFFSET 0x60000
-#define CONFIG_ENV_OFFSET_REDUND 0x80000
-#define CONFIG_ENV_SIZE 0x20000
+#define CONFIG_ENV_OFFSET               0x60000
+#define CONFIG_ENV_OFFSET_REDUND        0x80000
+#define CONFIG_ENV_SIZE                 0x20000
 #endif
 
 #define CONFIG_BOOTCOMMAND	"nboot 0x21000000 0 400000"
@@ -149,15 +151,12 @@
 				"120M(rootfs),-(other) " \
 				"rw rootfstype=jffs2"
 
-#define CONFIG_BAUDRATE		115200
-#define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }
-
 #define CONFIG_SYS_PROMPT	"U-Boot> "
 #define CONFIG_SYS_CBSIZE	256
 #define CONFIG_SYS_MAXARGS	16
 #define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
-#define CONFIG_SYS_LONGHELP	1
-#define CONFIG_CMDLINE_EDITING	1
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_CMDLINE_EDITING
 
 /*
  * Size of malloc() pool
-- 
1.7.4.1



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