[U-Boot] [PATCH v3 1/2] cpuat91: convert to new at91 soc architecture
Eric Bénard
eric at eukrea.com
Tue Jul 20 23:09:37 CEST 2010
convert the board to the new soc architecture
update default config
i2c upgrade taken from eb_cpux9k2.h & board/BuS/eb_cpux9k2/cpux9k2.c
Signed-off-by: Eric Bénard <eric at eukrea.com>
---
v3 : send to Hong Xu
v2 : send to Tom Rix's new email
Makefile | 2 +-
board/eukrea/cpuat91/cpuat91.c | 53 ++++++++++++++++-----------------------
include/configs/cpuat91.h | 45 +++++++++++++++++++++++----------
3 files changed, 54 insertions(+), 46 deletions(-)
diff --git a/Makefile b/Makefile
index c26e491..ffc749d 100644
--- a/Makefile
+++ b/Makefile
@@ -2693,7 +2693,7 @@ CPUAT91_RAM_config \
CPUAT91_config : unconfig
@mkdir -p $(obj)include
@echo "#define CONFIG_$(@:_config=) 1" >$(obj)include/config.h
- @$(MKCONFIG) -a cpuat91 arm arm920t cpuat91 eukrea at91rm9200
+ @$(MKCONFIG) -a cpuat91 arm arm920t cpuat91 eukrea at91
csb637_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm920t csb637 NULL at91rm9200
diff --git a/board/eukrea/cpuat91/cpuat91.c b/board/eukrea/cpuat91/cpuat91.c
index 0017962..cd4d42c 100644
--- a/board/eukrea/cpuat91/cpuat91.c
+++ b/board/eukrea/cpuat91/cpuat91.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2006 Eukrea Electromatique <www.eukrea.com>
+ * (C) Copyright 2006-2010 Eukrea Electromatique <www.eukrea.com>
* Eric Benard <eric at eukrea.com>
* based on at91rm9200dk.c which is :
* (C) Copyright 2002
@@ -27,13 +27,11 @@
#include <common.h>
#include <netdev.h>
-#include <asm/arch/AT91RM9200.h>
-#include <asm/io.h>
-#if defined(CONFIG_DRIVER_ETHER)
-#include <at91rm9200_net.h>
-#include <ks8721.h>
-#endif
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/at91_pmc.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -61,31 +59,7 @@ int dram_init(void)
return 0;
}
-#if defined(CONFIG_DRIVER_ETHER)
-#if defined(CONFIG_CMD_NET)
-
-/*
- * Name:
- * at91rm9200_GetPhyInterface
- * Description:
- * Initialise the interface functions to the PHY
- * Arguments:
- * None
- * Return value:
- * None
- */
-void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops)
-{
- p_phyops->Init = ks8721_initphy;
- p_phyops->IsPhyConnected = ks8721_isphyconnected;
- p_phyops->GetLinkSpeed = ks8721_getlinkspeed;
- p_phyops->AutoNegotiate = ks8721_autonegotiate;
-}
-
-#endif /* CONFIG_CMD_NET */
-#endif /* CONFIG_DRIVER_ETHER */
#ifdef CONFIG_DRIVER_AT91EMAC
-
int board_eth_init(bd_t *bis)
{
int rc = 0;
@@ -93,3 +67,20 @@ int board_eth_init(bd_t *bis)
return rc;
}
#endif
+
+#ifdef CONFIG_SOFT_I2C
+void i2c_init_board(void)
+{
+ u32 pin;
+ at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+ at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+
+ writel(1 << AT91_ID_PIOA, &pmc->pcer);
+ pin = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK;
+ writel(pin, &pio->pioa.idr);
+ writel(pin, &pio->pioa.pudr);
+ writel(pin, &pio->pioa.per);
+ writel(pin, &pio->pioa.oer);
+ writel(pin, &pio->pioa.sodr);
+}
+#endif
diff --git a/include/configs/cpuat91.h b/include/configs/cpuat91.h
index 049298c..b012782 100644
--- a/include/configs/cpuat91.h
+++ b/include/configs/cpuat91.h
@@ -1,5 +1,5 @@
/*
- * CPUAT91 by (C) Copyright 2006 Eric Benard
+ * CPUAT91 by (C) Copyright 2006-2010 Eric Benard
* eric at eukrea.com
*
* Configuration settings for the CPUAT91 board.
@@ -23,15 +23,12 @@
* MA 02111-1307 USA
*/
-#ifndef __CONFIG_H
-#define __CONFIG_H
-
-#define CONFIG_AT91_LEGACY
+#ifndef _CONFIG_CPUAT91_H
+#define _CONFIG_CPUAT91_H
#ifdef CONFIG_CPUAT91_RAM
#define CONFIG_SKIP_LOWLEVEL_INIT 1
#define CONFIG_SKIP_RELOCATE_UBOOT 1
-#define CONFIG_CPUAT91 1
#else
#define CONFIG_BOOTDELAY 1
#endif
@@ -43,6 +40,7 @@
#define CONFIG_ARM920T 1
#define CONFIG_AT91RM9200 1
+#define CONFIG_CPUAT91 1
#undef CONFIG_USE_IRQ
#define USE_920T_MMU 1
@@ -89,16 +87,36 @@
#undef CONFIG_USART0
#undef CONFIG_USART1
-#define CONFIG_HARD_I2C 1
+#undef CONFIG_HARD_I2C
+#define CONFIG_SOFT_I2C 1
+#define AT91_PIN_SDA (1<<25)
+#define AT91_PIN_SCL (1<<26)
+
+#define CONFIG_SYS_I2C_INIT_BOARD 1
+#define CONFIG_SYS_I2C_SPEED 50000
+#define CONFIG_SYS_I2C_SLAVE 0
+
+#define I2C_INIT i2c_init_board();
+#define I2C_ACTIVE writel(AT91_PMX_AA_TWD, &pio->pioa.mddr);
+#define I2C_TRISTATE writel(AT91_PMX_AA_TWD, &pio->pioa.mder);
+#define I2C_READ ((readl(&pio->pioa.pdsr) & AT91_PMX_AA_TWD) != 0)
+#define I2C_SDA(bit) \
+ if (bit) \
+ writel(AT91_PMX_AA_TWD, &pio->pioa.sodr); \
+ else \
+ writel(AT91_PMX_AA_TWD, &pio->pioa.codr);
+#define I2C_SCL(bit) \
+ if (bit) \
+ writel(AT91_PMX_AA_TWCK, &pio->pioa.sodr); \
+ else \
+ writel(AT91_PMX_AA_TWCK, &pio->pioa.codr);
+
+#define I2C_DELAY udelay(2500000/CONFIG_SYS_I2C_SPEED)
-#if defined(CONFIG_HARD_I2C)
-#define CONFIG_SYS_I2C_SPEED 50000
-#define CONFIG_SYS_I2C_SLAVE 0
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x54
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 1
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
-#endif
#define CONFIG_BOOTP_BOOTFILESIZE 1
#define CONFIG_BOOTP_BOOTPATH 1
@@ -117,10 +135,8 @@
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_NFS
-#if defined(CONFIG_HARD_I2C)
#define CONFIG_CMD_EEPROM 1
#define CONFIG_CMD_I2C 1
-#endif
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM 0x20000000
@@ -148,6 +164,7 @@
#define PHYS_FLASH_1 0x10000000
#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
#define CONFIG_SYS_MAX_FLASH_SECT 128
+#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
#if defined(CONFIG_CMD_USB)
#define CONFIG_USB_OHCI_NEW 1
@@ -230,4 +247,4 @@
"flashboot=run ramargs;bootm 10040000\0" \
"netboot=run ramargs;tftpboot 21000000 cpuat91/uImage;" \
"bootm 21000000\0"
-#endif /* __CONFIG_H */
+#endif /* _CONFIG_CPUAT91_H */
--
1.6.3.3
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