[U-Boot] [PATCH] at91: reworked support for meesc board
Matthias Fuchs
matthias.fuchs at esd.eu
Tue Jul 19 13:56:06 CEST 2011
The meesc board support was broken. Within this opportunity, I completely
reworked the board files.
Signed-off-by: Daniel Gorsulowski <Daniel.Gorsulowski at esd.eu>
Signed-off-by: Matthias Fuchs <Matthias.Fuchs at esd.eu>
---
V3: -fix white space issues and don't patch boards.cfg
V2: -fixed commit description
board/esd/meesc/config.mk | 1 -
board/esd/meesc/meesc.c | 49 ++++++-----
include/configs/meesc.h | 208 ++++++++++++++++++++++++++-------------------
3 files changed, 147 insertions(+), 111 deletions(-)
delete mode 100644 board/esd/meesc/config.mk
diff --git a/board/esd/meesc/config.mk b/board/esd/meesc/config.mk
deleted file mode 100644
index 2077692..0000000
--- a/board/esd/meesc/config.mk
+++ /dev/null
@@ -1 +0,0 @@
-CONFIG_SYS_TEXT_BASE = 0x21f00000
diff --git a/board/esd/meesc/meesc.c b/board/esd/meesc/meesc.c
index 41fa3e1..ad43531 100644
--- a/board/esd/meesc/meesc.c
+++ b/board/esd/meesc/meesc.c
@@ -3,7 +3,7 @@
* Stelian Pop <stelian.pop at leadtechdesign.com>
* Lead Tech Design <www.leadtechdesign.com>
*
- * (C) Copyright 2009-2010
+ * (C) Copyright 2009-2011
* Daniel Gorsulowski <daniel.gorsulowski at esd.eu>
* esd electronic system design gmbh <www.esd.eu>
*
@@ -27,7 +27,7 @@
*/
#include <common.h>
-#include <asm/arch/at91sam9263.h>
+#include <asm/io.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
@@ -35,8 +35,6 @@
#include <asm/arch/at91_matrix.h>
#include <asm/arch/at91_pio.h>
#include <asm/arch/clk.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/io.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -67,8 +65,8 @@ int get_hw_rev(void)
static void meesc_nand_hw_init(void)
{
unsigned long csa;
- at91_smc_t *smc = (at91_smc_t *) AT91_SMC0_BASE;
- at91_matrix_t *matrix = (at91_matrix_t *) AT91_MATRIX_BASE;
+ at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC0;
+ at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX;
/* Enable CS3 */
csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
@@ -88,7 +86,7 @@ static void meesc_nand_hw_init(void)
writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
AT91_SMC_MODE_EXNW_DISABLE |
AT91_SMC_MODE_DBW_8 |
- AT91_SMC_MODE_TDF_CYCLE(2),
+ AT91_SMC_MODE_TDF_CYCLE(3),
&smc->cs[3].mode);
/* Configure RDY/BSY */
@@ -102,9 +100,9 @@ static void meesc_nand_hw_init(void)
#ifdef CONFIG_MACB
static void meesc_macb_hw_init(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
/* Enable clock */
- writel(1 << AT91SAM9263_ID_EMAC, &pmc->pcer);
+ writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
at91_macb_hw_init();
}
#endif
@@ -117,7 +115,7 @@ static void meesc_macb_hw_init(void)
*/
static void meesc_ethercat_hw_init(void)
{
- at91_smc_t *smc1 = (at91_smc_t *) AT91_SMC1_BASE;
+ at91_smc_t *smc1 = (at91_smc_t *) ATMEL_BASE_SMC1;
/* Configure SMC EBI1_CS0 for EtherCAT */
writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) |
@@ -142,8 +140,9 @@ static void meesc_ethercat_hw_init(void)
int dram_init(void)
{
- gd->bd->bi_dram[0].start = PHYS_SDRAM;
- gd->bd->bi_dram[0].size = get_ram_size((long *) PHYS_SDRAM, (1 << 27));
+ gd->ram_size = get_ram_size(
+ (void *)CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_SDRAM_SIZE);
return 0;
}
@@ -151,7 +150,7 @@ int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_MACB
- rc = macb_eth_initialize(0, (void *)AT91_EMAC_BASE, 0x00);
+ rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00);
#endif
return rc;
}
@@ -225,7 +224,7 @@ int misc_init_r(void)
{
char *str;
char buf[32];
- at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
/*
* Normally the processor clock has a divisor of 2.
@@ -246,24 +245,28 @@ int misc_init_r(void)
}
#endif /* CONFIG_MISC_INIT_R */
-int board_init(void)
+int board_early_init_f(void)
{
- at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+ at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
- /* Peripheral Clock Enable Register */
- writel(1 << AT91SAM9263_ID_PIOA |
- 1 << AT91SAM9263_ID_PIOB |
- 1 << AT91SAM9263_ID_PIOCDE |
- 1 << AT91SAM9263_ID_UHP,
+ /* enable all clocks */
+ writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
+ (1 << ATMEL_ID_PIOCDE) | (1 << ATMEL_ID_UHP),
&pmc->pcer);
+ at91_seriald_hw_init();
+
+ return 0;
+}
+
+int board_init(void)
+{
/* initialize ET1100 Controller */
meesc_ethercat_hw_init();
/* 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();
#ifdef CONFIG_CMD_NAND
meesc_nand_hw_init();
#endif
diff --git a/include/configs/meesc.h b/include/configs/meesc.h
index a27b36b..a8a4bd3 100644
--- a/include/configs/meesc.h
+++ b/include/configs/meesc.h
@@ -3,7 +3,7 @@
* Stelian Pop <stelian.pop at leadtechdesign.com>
* Lead Tech Design <www.leadtechdesign.com>
*
- * (C) Copyright 2009-2010
+ * (C) Copyright 2009-2011
* Daniel Gorsulowski <daniel.gorsulowski at esd.eu>
* esd electronic system design gmbh <www.esd.eu>
*
@@ -31,49 +31,68 @@
#ifndef __CONFIG_H
#define __CONFIG_H
-/* Common stuff */
-#define CONFIG_MEESC 1 /* Board is esd MEESC */
-#define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */
-#define CONFIG_AT91SAM9263 1 /* It's an AT91SAM9263 SoC */
+/*
+ * SoC must be defined first, before hardware.h is included.
+ * In this case SoC is defined in boards.cfg.
+ */
+#include <asm/hardware.h>
+
+/*
+ * Warning: changing CONFIG_SYS_TEXT_BASE requires
+ * adapting the initial boot program.
+ * Since the linker has to swallow that define, we must use a pure
+ * hex number here!
+ */
+#define CONFIG_SYS_TEXT_BASE 0x20002000
+
+/* ARM asynchronous clock */
+#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* 32.768 kHz crystal */
#define CONFIG_SYS_AT91_MAIN_CLOCK 16000000/* 16.0 MHz crystal */
#define CONFIG_SYS_HZ 1000 /* decrementer freq */
-#define CONFIG_DISPLAY_BOARDINFO 1
-#define CONFIG_DISPLAY_CPUINFO 1 /* display cpu info and speed */
-#define CONFIG_PREBOOT /* enable preboot variable */
-#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
-#define CONFIG_SETUP_MEMORY_TAGS 1
-#define CONFIG_INITRD_TAG 1
-#define CONFIG_SERIAL_TAG 1
-#define CONFIG_REVISION_TAG 1
-#undef CONFIG_USE_IRQ /* don't need IRQ/FIQ stuff */
+/* Misc CPU related */
#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_BOARD_EARLY_INIT_F /* call board_early_init_f() */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_SERIAL_TAG
+#define CONFIG_REVISION_TAG
+#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_MISC_INIT_R /* Call misc_init_r */
+#undef CONFIG_USE_IRQ /* don't need IRQ/FIQ stuff */
-#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_DISPLAY_BOARDINFO /* call checkboard() */
+#define CONFIG_DISPLAY_CPUINFO /* display cpu info and speed */
+#define CONFIG_PREBOOT /* enable preboot variable */
/*
* Hardware drivers
*/
+/* required until arch/arm/include/asm/arch-at91/at91sam9263.h is reworked */
+#define ATMEL_PMC_UHP AT91SAM926x_PMC_UHP
+
+/* general purpose I/O */
+#define CONFIG_AT91_GPIO
+
/* Console output */
-#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_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
-#define CONFIG_ZERO_BOOTDELAY_CHECK 1
+#define CONFIG_BOOTDELAY 3
+#define CONFIG_ZERO_BOOTDELAY_CHECK
/*
* BOOTP options
*/
-#define CONFIG_BOOTP_BOOTFILESIZE 1
-#define CONFIG_BOOTP_BOOTPATH 1
-#define CONFIG_BOOTP_GATEWAY 1
-#define CONFIG_BOOTP_HOSTNAME 1
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
/*
* Command line configuration.
@@ -84,97 +103,112 @@
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_IMLS
-#define CONFIG_CMD_PING 1
-#define CONFIG_CMD_DHCP 1
-#define CONFIG_CMD_NAND 1
-#define CONFIG_CMD_USB 1
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_USB
/* LED */
-#define CONFIG_AT91_LED 1
-
-/* SDRAM */
-#define CONFIG_NR_DRAM_BANKS 1
-#define PHYS_SDRAM 0x20000000
-
-/* DataFlash */
-#define CONFIG_ATMEL_DATAFLASH_SPI
-#define CONFIG_HAS_DATAFLASH 1
-#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
-#define CONFIG_SYS_MAX_DATAFLASH_BANKS 1
-#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
-#define AT91_SPI_CLK 15000000
-#define DATAFLASH_TCSS (0x1a << 16)
-#define DATAFLASH_TCHS (0x1 << 24)
+#define CONFIG_AT91_LED
+
+/*
+ * SDRAM: 1 bank, min 32, max 128 MB
+ * Initialized before u-boot gets started.
+ */
+#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_SYS_SDRAM_BASE 0x20000000 /* ATMEL_BASE_CS1 */
+#define CONFIG_SYS_SDRAM_SIZE 0x02000000
+
+#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x00100000)
+#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01E00000)
+#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x00100000)
+
+/*
+ * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
+ * leaving the correct space for initial global data structure above
+ * that address while providing maximum stack area below.
+ */
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (ATMEL_BASE_SRAM0 + 0x1000 - GENERATED_GBL_DATA_SIZE)
+
+ /* DataFlash */
+#ifdef CONFIG_SYS_USE_DATAFLASH
+# define CONFIG_ATMEL_DATAFLASH_SPI
+# define CONFIG_HAS_DATAFLASH
+# define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
+# define CONFIG_SYS_MAX_DATAFLASH_BANKS 1
+# define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
+# define AT91_SPI_CLK 15000000
+# define DATAFLASH_TCSS (0x1a << 16)
+# define DATAFLASH_TCHS (0x1 << 24)
+#endif
/* NOR flash is not populated, disable it */
-#define CONFIG_SYS_NO_FLASH 1
+#define CONFIG_SYS_NO_FLASH
/* NAND flash */
#ifdef 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
-/* our ALE is AD21 */
-#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_PIO_PORTD, 15
-#define CONFIG_SYS_NAND_READY_PIN AT91_PIO_PORTA, 22
-#define CONFIG_SYS_64BIT_VSPRINTF /* needed for nand_util.c */
+# define CONFIG_NAND_ATMEL
+# define CONFIG_SYS_MAX_NAND_DEVICE 1
+# define CONFIG_SYS_NAND_BASE 0x40000000 /* ATMEL_BASE_CS3 */
+# define CONFIG_SYS_NAND_DBW_8
+# define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
+# define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
+# define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIO_PORTD, 15
+# define CONFIG_SYS_NAND_READY_PIN AT91_PIO_PORTA, 22
+# define CONFIG_SYS_64BIT_VSPRINTF /* needed for nand_util.c */
#endif
/* Ethernet */
-#define CONFIG_MACB 1
-#define CONFIG_RMII 1
-#define CONFIG_NET_MULTI 1
+#define CONFIG_MACB
+#define CONFIG_RMII
+#define CONFIG_NET_MULTI
+#define CONFIG_FIT
#define CONFIG_NET_RETRY_COUNT 20
#undef CONFIG_RESET_PHY_R
/* USB */
#define CONFIG_USB_ATMEL
-#define CONFIG_USB_OHCI_NEW 1
-#define CONFIG_DOS_PARTITION 1
-#define CONFIG_SYS_USB_OHCI_CPU_INIT 1
+#define CONFIG_USB_OHCI_NEW
+#define CONFIG_DOS_PARTITION
+#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00a00000
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9263"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
-#define CONFIG_USB_STORAGE 1
-#define CONFIG_CMD_FAT 1
-
-#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
-
-#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
-#define CONFIG_SYS_MEMTEST_END 0x21e00000
-
-#define CONFIG_SYS_USE_DATAFLASH 1
-#undef CONFIG_SYS_USE_NANDFLASH
/* CAN */
-#define CONFIG_AT91_CAN 1
+#define CONFIG_AT91_CAN
/* hw-controller addresses */
-#define CONFIG_ET1100_BASE 0x70000000
+#define CONFIG_ET1100_BASE 0x70000000
+
+#ifdef CONFIG_SYS_USE_DATAFLASH
/* bootstrap + u-boot + env in dataflash on CS0 */
-#define CONFIG_ENV_IS_IN_DATAFLASH 1
-#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
+# define CONFIG_ENV_IS_IN_DATAFLASH
+# define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
0x8400)
-#define CONFIG_ENV_OFFSET 0x4200
-#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
+# define CONFIG_ENV_OFFSET 0x4200
+# define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
CONFIG_ENV_OFFSET)
-#define CONFIG_ENV_SIZE 0x4200
+# define CONFIG_ENV_SIZE 0x4200
-#define CONFIG_BAUDRATE 115200
-#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
+#elif CONFIG_SYS_USE_NANDFLASH
+
+/* bootstrap + u-boot + env + linux in nandflash */
+# define CONFIG_ENV_IS_IN_NAND 1
+# define CONFIG_ENV_OFFSET 0xC0000
+# define CONFIG_ENV_SIZE 0x20000
+
+#endif
#define CONFIG_SYS_PROMPT "=> "
-#define CONFIG_SYS_CBSIZE 256
+#define CONFIG_SYS_CBSIZE 512
#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
@@ -185,7 +219,7 @@
#define CONFIG_STACKSIZE (32 * 1024) /* regular stack */
#ifdef CONFIG_USE_IRQ
-#error CONFIG_USE_IRQ not supported
+# error CONFIG_USE_IRQ not supported
#endif
#endif
--
1.6.1
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