[U-Boot] [PATCH 8/8 V2] add at91 SoC access with c structures

16 Jan 2010

* add's support for new board eb_cpux9k2
* demonstrates, how to integrate at91rm9200 boards into at91 arch
Signed-off-by: Jens Scharsig js_at_ng@scharsoft.de
---
 MAKEALL                        |    3 +
 Makefile                       |    3 +
 board/BuS/eb_cpux9k2/Makefile  |   51 +++++
 board/BuS/eb_cpux9k2/config.mk |    1 +
 board/BuS/eb_cpux9k2/cpux9k2.c |  421 +++++++++++++++++++++++++++++++++++++++
 include/configs/eb_cpux9k2.h   |  427 ++++++++++++++++++++++++++++++++++++++++
 6 files changed, 906 insertions(+), 0 deletions(-)
 create mode 100644 board/BuS/eb_cpux9k2/Makefile
 create mode 100644 board/BuS/eb_cpux9k2/config.mk
 create mode 100644 board/BuS/eb_cpux9k2/cpux9k2.c
 create mode 100644 include/configs/eb_cpux9k2.h

diff --git a/MAKEALL b/MAKEALL
index ab1bb6f..f123f44 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -639,6 +639,8 @@ LIST_at91="			\
    at91sam9260ek		\
    at91sam9261ek		\
    at91sam9263ek		\
+	at91sam9263ek_norflash	\
+	at91sam9263ek_norflash_boot	\
    at91sam9g10ek		\
    at91sam9g20ek		\
    at91sam9m10g45ek	\
@@ -648,6 +650,7 @@ LIST_at91="			\
    CPU9260			\
    CPU9G20			\
    csb637			\
+	eb_cpux9k2		\
    kb9202			\
    meesc			\
    mp2usb			\
diff --git a/Makefile b/Makefile
index 536ccb3..1c34cf1 100644
--- a/Makefile
+++ b/Makefile
@@ -2721,6 +2721,9 @@ CPUAT91_config	:	unconfig
 csb637_config	:	unconfig
    @$(MKCONFIG) $(@:_config=) arm arm920t csb637 NULL at91rm9200
+eb_cpux9k2_config	:	unconfig
+	@$(MKCONFIG) $(@:_config=) arm arm920t eb_cpux9k2 BuS at91
+
 kb9202_config	:	unconfig
    @$(MKCONFIG) $(@:_config=) arm arm920t kb9202 NULL at91rm9200
diff --git a/board/BuS/eb_cpux9k2/Makefile b/board/BuS/eb_cpux9k2/Makefile
new file mode 100644
index 0000000..30e2f18
--- /dev/null
+++ b/board/BuS/eb_cpux9k2/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2003-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= cpux9k2.o
+#led.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/BuS/eb_cpux9k2/config.mk b/board/BuS/eb_cpux9k2/config.mk
new file mode 100644
index 0000000..ff2cfd1
--- /dev/null
+++ b/board/BuS/eb_cpux9k2/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x23f00000
diff --git a/board/BuS/eb_cpux9k2/cpux9k2.c b/board/BuS/eb_cpux9k2/cpux9k2.c
new file mode 100644
index 0000000..35c836b
--- /dev/null
+++ b/board/BuS/eb_cpux9k2/cpux9k2.c
@@ -0,0 +1,421 @@
+/*
+ * (C) Copyright 2008-2009
+ * BuS Elektronik GmbH & Co. KG <www.bus-elektronik.de>
+ * Jens Scharsig esw@bus-elektronik.de
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <exports.h>
+#include <net.h>
+#include <netdev.h>
+#include <nand.h>
+
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_mc.h>
+
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif
+
+#ifdef CONFIG_VIDEO
+#include <bus_vcxk.h>
+
+extern unsigned long display_width;
+extern unsigned long display_height;
+#endif
+
+#ifdef CONFIG_CMD_NAND
+void cpux9k2_nand_hw_init(void);
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init(void)
+{
+	at91_pio_t *pio	= (at91_pio_t *) AT91_PIO_BASE;
+	/* Enable Ctrlc */
+	console_init_f();
+
+	/* Correct IRDA resistor problem / Set PA23_TXD in Output */
+	writel(AT91_PMX_AA_TXD2, &pio->pioa.oer);
+
+	gd->bd->bi_arch_number = MACH_TYPE_EB_CPUX9K2;
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#ifdef CONFIG_STATUS_LED
+	status_led_set(STATUS_LED_BOOT, STATUS_LED_ON);
+#endif
+#ifdef CONFIG_CMD_NAND
+	cpux9k2_nand_hw_init();
+#endif
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	uchar	mac[8];
+	uchar	tm;
+	uchar	midx;
+	uchar	macn6, macn7;
+
+	if (getenv("ethaddr") == NULL) {
+		if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x00,
+				CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
+				(uchar *) &mac, sizeof(mac)) != 0) {
+			puts("Error reading MAC from EEPROM\n");
+		} else {
+			tm = 0;
+			macn6 = 0;
+			macn7 = 0xFF;
+			for (midx = 0; midx < 6; midx++) {
+				if ((mac[midx] != 0) && (mac[midx] != 0xFF))
+					tm++;
+				macn6 += mac[midx];
+				macn7 ^= mac[midx];
+			}
+			if ((macn6 != mac[6]) || (macn7 != mac[7]))
+				tm = 0;
+			if (tm) {
+				eth_setenv_enetaddr("ethaddr", mac);
+			} else {
+				puts("Error: invalid MAC at EEPROM\n");
+			}
+		}
+	}
+	gd->jt[XF_do_reset] = (void *) do_reset;
+
+#ifdef CONFIG_STATUS_LED
+	status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+	udelay(10000);
+	eth_init(gd->bd);
+}
+#endif
+
+/*
+ * DRAM initialisations
+ */
+
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM;
+	gd->bd->bi_dram[0].size =
+		get_ram_size((volatile long *) PHYS_SDRAM, PHYS_SDRAM_SIZE);
+	return 0;
+}
+
+/*
+ * Ethernet initialisations
+ */
+
+#ifdef CONFIG_DRIVER_AT91EMAC
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+	rc = at91emac_register(bis, (u32) AT91_EMAC_BASE);
+	return rc;
+}
+#endif
+
+/*
+ * Disk On Chip (NAND) Millenium initialization.
+ * The NAND lives in the CS2* space
+ */
+#if defined(CONFIG_CMD_NAND)
+
+#define	MASK_ALE	(1 << 22)	/* our ALE is AD22 */
+#define	MASK_CLE	(1 << 21)	/* our CLE is AD21 */
+
+void cpux9k2_nand_hw_init(void)
+{
+	unsigned long csr;
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+	at91_mc_t *mc = (at91_mc_t *) AT91_MC_BASE;
+
+	/* Setup Smart Media, fitst enable the address range of CS3 */
+	writel(readl(&mc->ebi.csa) | AT91_EBI_CSA_CS3A, &mc->ebi.csa);
+
+	/* RWH = 1 | RWS = 0 | TDF = 1 | NWS = 3 */
+	csr =  	AT91_SMC_CSR_RWHOLD(1) | AT91_SMC_CSR_TDF(1) |
+		AT91_SMC_CSR_NWS(3) |
+		AT91_SMC_CSR_ACSS_STANDARD | AT91_SMC_CSR_DBW_8 |
+		AT91_SMC_CSR_WSEN;
+	writel(csr, &mc->smc.csr[3]);
+
+	writel(AT91_PMX_CA_SMOE | AT91_PMX_CA_SMWE, &pio->pioc.asr );
+	writel(AT91_PMX_CA_BFCK | AT91_PMX_CA_SMOE | AT91_PMX_CA_SMWE,
+		&pio->pioc.pdr);
+
+	/* Configure PC2 as input (signal Nand READY ) */
+	writel(AT91_PMX_CA_BFAVD, &pio->pioc.per);
+	writel(AT91_PMX_CA_BFAVD, &pio->pioc.odr); /* disable output */
+	writel(AT91_PMX_CA_BFCK, &pio->pioc.codr);
+
+	/* PIOC clock enabling */
+	writel(1 << AT91_ID_PIOC, &pmc->pcer);
+}
+
+static void board_nand_hwcontrol(struct mtd_info *mtd,
+	int cmd, unsigned int ctrl)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	struct nand_chip *this = mtd->priv;
+	ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
+
+	if (ctrl & NAND_CTRL_CHANGE) {
+		IO_ADDR_W &= ~(MASK_ALE | MASK_CLE);
+
+		if (ctrl & NAND_CLE)
+			IO_ADDR_W |= MASK_CLE;
+		if (ctrl & NAND_ALE)
+			IO_ADDR_W |= MASK_ALE;
+
+		if ((ctrl & NAND_NCE))
+			writel(AT91_PIN_TO_MASK(0), &pio->pioc.codr);
+		else
+			writel(AT91_PIN_TO_MASK(0), &pio->pioc.sodr);
+
+		this->IO_ADDR_W = (void *) IO_ADDR_W;
+	}
+	if (cmd != NAND_CMD_NONE)
+		writeb(cmd, this->IO_ADDR_W);
+}
+
+static int board_nand_dev_ready(struct mtd_info *mtd)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	return ((readl(&pio->pioc.pdsr) & AT91_PIN_TO_MASK(2)) != 0);
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+	cpux9k2_nand_hw_init();
+	nand->ecc.mode = NAND_ECC_SOFT;
+	nand->cmd_ctrl = board_nand_hwcontrol;
+	nand->dev_ready = board_nand_dev_ready;
+	nand->chip_delay = 20;
+	return 0;
+}
+
+#endif
+
+#if defined(CONFIG_VIDEO)
+/*
+ * drv_video_init
+ * FUNCTION: initialize VCxK device
+ */
+
+int drv_video_init(void)
+{
+#ifdef CONFIG_SPLASH_SCREEN
+	unsigned long splash;
+#endif
+	char *s;
+	unsigned long csr;
+	at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+	at91_mc_t *mc = (at91_mc_t *) AT91_MC_BASE;
+
+	printf("Init Video as ");
+	s = getenv("displaywidth");
+	if (s != NULL)
+		display_width = simple_strtoul(s, NULL, 10);
+	else
+		display_width = 256;
+	s = getenv("displayheight");
+	if (s != NULL)
+		display_height = simple_strtoul(s, NULL, 10);
+	else
+		display_height = 256;
+	printf("%ld x %ld pixel matrix\n", display_width, display_height);
+
+	/* RWH = 7 | RWS =7  | TDF = 15 | NWS = 0x7F */
+	csr =  	AT91_SMC_CSR_RWHOLD(7) | AT91_SMC_CSR_RWSETUP(7) |
+		AT91_SMC_CSR_TDF(15) | AT91_SMC_CSR_NWS(127) |
+		AT91_SMC_CSR_ACSS_STANDARD | AT91_SMC_CSR_DBW_16 |
+		AT91_SMC_CSR_BAT_16 | AT91_SMC_CSR_WSEN;
+	writel(csr, &mc->smc.csr[2]);
+	writel(1 << AT91_ID_PIOB, &pmc->pcer);
+
+	vcxk_init(display_width, display_height);
+#ifdef CONFIG_SPLASH_SCREEN
+	s = getenv("splashimage");
+	if (s != NULL) {
+		splash = simple_strtoul(s, NULL, 16);
+		printf("use splashimage: %lx\n", splash);
+		video_display_bitmap(splash, 0, 0);
+	}
+#endif
+	return 0;
+}
+#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);
+}
+
+/*
+void board_i2c_active(void)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	writel(AT91_PMX_AA_TWD, &pio->pioa.mddr);
+}
+
+void board_i2c_tristate(void)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	writel(AT91_PMX_AA_TWD, &pio->pioa.mder);
+}
+
+int board_i2c_read(void)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	return ((readl(&pio->pioa.pdsr) & AT91_PMX_AA_TWD) != 0);
+}
+
+void board_i2c_sda(int bit)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	if (bit)
+		writel(AT91_PMX_AA_TWD, &pio->pioa.sodr);
+	else
+		writel(AT91_PMX_AA_TWD, &pio->pioa.codr);
+}
+
+
+void board_i2c_scl(int bit)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	if (bit)
+		writel(AT91_PMX_AA_TWCK, &pio->pioa.sodr);
+	else
+		writel(AT91_PMX_AA_TWCK, &pio->pioa.codr);
+}
+*/
+#endif
+
+/*--------------------------------------------------------------------------*/
+
+#ifdef CONFIG_STATUS_LED
+
+void __led_toggle(led_id_t mask)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+
+	if (readl(&pio->piod.odsr) & mask)
+		writel(mask, &pio->piod.codr);
+	else
+		writel(mask, &pio->piod.codr);
+}
+
+void __led_init(led_id_t mask, int state)
+{
+	at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE;
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+
+	writel(1 << AT91_ID_PIOD, &pmc->pcer);	/* Enable PIOB clock */
+	/* Disable peripherals on LEDs */
+	writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.per);
+	/* Enable pins as outputs */
+	writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.oer);
+	/* Turn all LEDs OFF */
+	writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.sodr);
+
+	__led_set(mask, state);
+}
+
+void __led_set(led_id_t mask, int state)
+{
+	at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE;
+	if (state == STATUS_LED_ON)
+		writel(mask, &pio->piod.codr);
+	else
+		writel(mask, &pio->piod.sodr);
+}
+
+#endif
+
+/*---------------------------------------------------------------------------*/
+
+int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int rcode = 0;
+	ulong side;
+	ulong bright;
+
+	switch (argc) {
+	case 3:
+		side = simple_strtoul(argv[1], NULL, 10);
+		bright = simple_strtoul(argv[2], NULL, 10);
+		if ((side >= 0) && (side <= 3) &&
+				(bright >= 0) && (bright <= 1000)) {
+			vcxk_setbrightness(side, bright);
+			rcode = 0;
+		} else {
+			printf("parameters out of range\n");
+			printf("Usage:\n%s\n", cmdtp->usage);
+			rcode = 1;
+		}
+		break;
+	default:
+		printf("Usage:\n%s\n", cmdtp->usage);
+		rcode = 1;
+		break;
+	}
+	return rcode;
+}
+
+/*---------------------------------------------------------------------------*/
+
+U_BOOT_CMD(
+	bright,	3,	0,	do_brightness,
+	"bright  - sets the display brightness\n",
+	" <side> <0..1000>\n        side: 0/3=both; 1=first; 2=second\n"
+);
+
+/* EOF cpu9k2.c */
diff --git a/include/configs/eb_cpux9k2.h b/include/configs/eb_cpux9k2.h
new file mode 100644
index 0000000..2f58e6d
--- /dev/null
+++ b/include/configs/eb_cpux9k2.h
@@ -0,0 +1,427 @@
+/*
+ * (C) Copyright 2008-2009
+ * BuS Elektronik GmbH & Co. KG <www.bus-elektronik.de>
+ * Jens Scharsig esw@bus-elektronik.de
+ *
+ * Configuation settings for the EB+CPUx9K2 board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _CONFIG_EB_CPUx9K2_H_
+#define _CONFIG_EB_CPUx9K2_H_
+
+/*--------------------------------------------------------------------------*/
+
+#define CONFIG_IDENT_STRING	" on EB+CPUx9K2"
+#define CONFIG_VERSION_VARIABLE 1
+#define CONFIG_ARM920T		1	/* This is an ARM920T Core	*/
+#define CONFIG_AT91RM9200	1	/* It's an Atmel AT91RM9200 SoC	*/
+#define CONFIG_EB_CPUX9K2	1	/* on an EP+CPUX9K2 Board	*/
+#define USE_920T_MMU		1
+
+#include <asm/arch/hardware.h>	/* needed for port definitions */
+
+#define CONFIG_MISC_INIT_R
+
+/*--------------------------------------------------------------------------*/
+
+#define CONFIG_SYS_LOAD_ADDR		0x21000000  /* default load address */
+
+#define CONFIG_SYS_BOOT_SIZE		0x00 /* 0 KBytes */
+#define CONFIG_SYS_U_BOOT_BASE		PHYS_FLASH_1
+#define CONFIG_SYS_U_BOOT_SIZE		0x60000 /* 384 KBytes */
+
+
+#define CONFIG_BOOT_RETRY_TIME		30
+#define CONFIG_CMDLINE_EDITING
+
+#define CONFIG_SYS_PROMPT	"U-Boot> "	/* Monitor Command Prompt */
+#define CONFIG_SYS_CBSIZE	512		/* Console I/O Buffer Size */
+#define CONFIG_SYS_MAXARGS	32		/* max number of command args */
+#define CONFIG_SYS_PBSIZE	\
+	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
+
+#define CONFIG_STACKSIZE	(32*1024)	/* regular stack */
+
+/*
+ * ARM asynchronous clock
+ */
+
+#define AT91C_MAIN_CLOCK	179404800	/* from 12.288 MHz * 73 / 5 */
+#define AT91C_MASTER_CLOCK	(AT91C_MAIN_CLOCK / 3)
+#define CONFIG_SYS_HZ		1000
+#define CONFIG_SYS_HZ_CLOCK 	(AT91C_MASTER_CLOCK / 2)
+
+#define AT91_SLOW_CLOCK			32768		/* slow clock */
+
+#define CONFIG_CMDLINE_TAG		1
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_INITRD_TAG		1
+
+#define CONFIG_SYS_USE_MAIN_OSCILLATOR	1
+/* flash */
+#define CONFIG_SYS_EBI_CFGR_VAL		0x00000000
+#define CONFIG_SYS_SMC_CSR0_VAL		0x00003284 /* 16bit, 2 TDF, 4 WS */
+
+/* clocks */
+#define CONFIG_SYS_PLLAR_VAL		0x20483E05 /* 179.4048 MHz for PCK */
+#define CONFIG_SYS_PLLBR_VAL		0x104C3E0A /* 47.3088 MHz (for USB) */
+#define CONFIG_SYS_MCKR_VAL		0x00000202 /* PCK/3 = MCK Clock */
+
+/*
+ * Size of malloc() pool
+ */
+
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 520*1024)
+#define CONFIG_SYS_GBL_DATA_SIZE	128
+
+/*
+ * sdram
+ */
+
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM 			0x20000000
+#define PHYS_SDRAM_SIZE			0x04000000  /* 64 megs */
+
+#define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + \
+					PHYS_SDRAM_SIZE - 0x00400000 - \
+					CONFIG_SYS_MALLOC_LEN)
+
+#define CONFIG_SYS_PIOC_ASR_VAL		0xFFFF0000 /* PIOC as D16/D31 */
+#define CONFIG_SYS_PIOC_BSR_VAL		0x00000000
+#define CONFIG_SYS_PIOC_PDR_VAL		0xFFFF0000
+#define CONFIG_SYS_EBI_CSA_VAL		0x00000002 /* CS1=SDRAM */
+#define CONFIG_SYS_SDRC_CR_VAL		0x2188c159 /* set up the SDRAM */
+#define CONFIG_SYS_SDRAM		0x20000000 /* address of the SDRAM */
+#define CONFIG_SYS_SDRAM1		0x20000080 /* address of the SDRAM */
+#define CONFIG_SYS_SDRAM_VAL		0x00000000 /* value written to SDRAM */
+#define CONFIG_SYS_SDRC_MR_VAL		0x00000002 /* Precharge All */
+#define CONFIG_SYS_SDRC_MR_VAL1		0x00000004 /* refresh */
+#define CONFIG_SYS_SDRC_MR_VAL2		0x00000003 /* Load Mode Register */
+#define CONFIG_SYS_SDRC_MR_VAL3		0x00000000 /* Normal Mode */
+#define CONFIG_SYS_SDRC_TR_VAL		0x000002E0 /* Write refresh rate */
+
+/*
+ * Command line configuration
+ */
+
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_BMP
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_JFFS2
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_PING
+#define CONFIG_I2C_CMD_NO_FLAT
+#define CONFIG_I2C_CMD_TREE
+
+#define CONFIG_SYS_LONGHELP
+
+/*
+ * Filesystems
+ */
+
+#define CONFIG_JFFS2_NAND		1
+
+#ifndef CONFIG_JFFS2_CMDLINE
+#define CONFIG_JFFS2_DEV 		"nand0"
+#define CONFIG_JFFS2_PART_OFFSET 	0
+#define CONFIG_JFFS2_PART_SIZE		0xFFFFFFFF
+#else
+#define MTDIDS_DEFAULT		"nor0=0,nand0=1"
+#define MTDPARTS_DEFAULT	"mtdparts="				\
+					"0:"				\
+					"384k(U-Boot),"			\
+					"128k(Env),"			\
+					"128k(Splash)," 		\
+					"4M(Kernel),"			\
+					"-(FS)"				\
+					";"				\
+					"1:"				\
+					"-(jffs2)"
+#endif /* CONFIG_JFFS2_CMDLINE */
+
+/*
+ * Hardware drivers
+ */
+
+/*
+ * UART/CONSOLE
+ */
+
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 115200, 19200, 38400, 57600, 9600 }
+
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_AT91RM9200_USART
+#define CONFIG_DBGU			/* define DBGU as console */
+
+/*
+ * network
+ */
+
+#define CONFIG_NET_RETRY_COUNT		10
+#define CONFIG_RESET_PHY_R		1
+
+#define CONFIG_NET_MULTI		1
+
+#ifdef CONFIG_NET_MULTI
+#define CONFIG_DRIVER_AT91EMAC		1
+#define CONFIG_DRIVER_AT91EMAC_QUIET	1
+#define CONFIG_SYS_RX_ETH_BUFFER	8
+#define CONFIG_MII			1
+#else
+#define CONFIG_DRIVER_ETHER		1
+#endif
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+/*
+ * I2C-Bus
+ */
+
+#define CONFIG_SYS_I2C_SPEED		50000
+#define CONFIG_SYS_I2C_SLAVE		0 		/* not used */
+
+#ifndef CONFIG_HARD_I2C
+#define CONFIG_SOFT_I2C
+
+/* Software  I2C driver configuration */
+
+#define AT91_PIN_SDA			(1<<25)		/* AT91C_PIO_PA25 */
+#define AT91_PIN_SCL			(1<<26)		/* AT91C_PIO_PA26 */
+
+#define CONFIG_SYS_I2C_INIT_BOARD
+
+#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_ACTIVE	board_i2c_active();
+#define I2C_TRISTATE	board_i2c_tristate();
+#define I2C_READ	board_i2c_read();
+#define I2C_SDA(bit)	board_i2c_sda(bit);
+#define I2C_SCL(bit)	board_i2c_scl(bit);
+*/
+
+#define I2C_DELAY	udelay(2500000/CONFIG_SYS_I2C_SPEED)
+
+#endif	/* CONFIG_HARD_I2C */
+
+/* I2C-RTC */
+
+#ifdef CONFIG_CMD_DATE
+#define CONFIG_RTC_DS1338
+#define CONFIG_SYS_I2C_RTC_ADDR	0x68
+#endif
+
+/* EEPROM */
+
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
+#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
+
+/* FLASH organization */
+
+/*  NOR-FLASH */
+
+#define CONFIG_FLASH_CFI_DRIVER	1
+
+#define PHYS_FLASH_1			0x10000000
+#define PHYS_FLASH_SIZE			0x01000000  /* 16 megs main flash */
+#define CONFIG_SYS_FLASH_CFI		1
+#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
+
+#define CONFIG_SYS_FLASH_PROTECTION	1
+#define CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#define CONFIG_SYS_MAX_FLASH_SECT	512
+#define CONFIG_SYS_FLASH_ERASE_TOUT	6000
+#define CONFIG_SYS_FLASH_WRITE_TOUT	2000
+
+/* NAND */
+
+#define CONFIG_SYS_NAND_MAX_CHIPS	1
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_BASE		0x40000000
+#define CONFIG_SYS_NAND_DBW_8		1
+
+#define CONFIG_SYS_64BIT_VSPRINTF	1
+
+/* Status LED's */
+
+#define CONFIG_STATUS_LED		1
+#define CONFIG_BOARD_SPECIFIC_LED	1
+
+#define STATUS_LED_BOOT			1
+#define STATUS_LED_ACTIVE		0
+
+
+#define STATUS_LED_BIT			1	/* AT91C_PIO_PD0 green LED */
+#define STATUS_LED_PERIOD		(CONFIG_SYS_HZ / 2)
+#define STATUS_LED_STATE 		STATUS_LED_OFF		/* BLINKING */
+#define STATUS_LED_BIT1			2	/* AT91C_PIO_PD1  red LED */
+#define STATUS_LED_STATE1		STATUS_LED_ON		/* BLINKING */
+#define STATUS_LED_PERIOD1		(CONFIG_SYS_HZ / 4)
+
+#define	CONFIG_VIDEO			1
+
+/* Options */
+
+#ifdef CONFIG_VIDEO
+
+#define CONFIG_VIDEO_VCXK			1
+
+#define CONFIG_SPLASH_SCREEN			1
+
+#define CONFIG_SYS_VCXK_DEFAULT_LINEALIGN	4
+#define CONFIG_SYS_VCXK_BASE	0x30000000
+
+#define CONFIG_SYS_VCXK_ACKNOWLEDGE_PIN		(1<<3)
+#define CONFIG_SYS_VCXK_ACKNOWLEDGE_PORT	piob
+#define CONFIG_SYS_VCXK_ACKNOWLEDGE_DDR		odr
+
+#define CONFIG_SYS_VCXK_ENABLE_PIN		(1<<5)
+#define CONFIG_SYS_VCXK_ENABLE_PORT		piob
+#define CONFIG_SYS_VCXK_ENABLE_DDR		oer
+
+#define CONFIG_SYS_VCXK_REQUEST_PIN		(1<<2)
+#define CONFIG_SYS_VCXK_REQUEST_PORT		piob
+#define CONFIG_SYS_VCXK_REQUEST_DDR		oer
+
+#define CONFIG_SYS_VCXK_INVERT_PIN		(1<<4)
+#define CONFIG_SYS_VCXK_INVERT_PORT		piob
+#define CONFIG_SYS_VCXK_INVERT_DDR		oer
+
+#define CONFIG_SYS_VCXK_RESET_PIN		(1<<6)
+#define CONFIG_SYS_VCXK_RESET_PORT		piob
+#define CONFIG_SYS_VCXK_RESET_DDR		oer
+
+#endif	/* CONFIG_VIDEO */
+
+/* Environment */
+
+#define CONFIG_BOOTDELAY		5
+
+#define CONFIG_ENV_IS_IN_FLASH		1
+#define CONFIG_ENV_ADDR			(PHYS_FLASH_1 + 0x60000)
+#define CONFIG_ENV_SIZE			0x20000 /* sectors are 128K here */
+
+#define CONFIG_BAUDRATE 		115200
+
+#define CONFIG_BOOTCOMMAND		"run nfsboot"
+
+#define CONFIG_NFSBOOTCOMMAND 						\
+		"dhcp $(copy_addr) uImage_cpux9k2;"			\
+		"run bootargsdefaults;"					\
+		"set bootargs $(bootargs) boot=nfs "			\
+		";echo $(bootargs)"					\
+	";bootm"
+
+#define CONFIG_EXTRA_ENV_SETTINGS 					\
+	"displaywidth=256\0"						\
+	"displayheight=512\0"						\
+	"displaybsteps=1023\0"						\
+	"ubootaddr=10000000\0"						\
+	"splashimage=10080000\0"					\
+	"kerneladdr=100A0000\0"						\
+	"kernelsize=00400000\0"						\
+	"rootfsaddr=104A0000\0"						\
+	"copy_addr=21200000\0"						\
+	"rootfssize=00B60000\0"						\
+	"bootargsdefaults=set bootargs "				\
+		"console=ttyS0,115200 "					\
+		"video=vcxk_fb:xres:${displaywidth},"			\
+			"yres:${displayheight},"			\
+			"bres:${displaybsteps} "			\
+		"mem=62M "						\
+		"panic=10 "						\
+		"uboot=\"${ver}\" "					\
+		"\0"							\
+	"update_kernel=protect off $(kerneladdr) +$(kernelsize);"	\
+		"dhcp $(copy_addr) uImage_cpux9k2;"			\
+		"erase $(kerneladdr) +$(kernelsize);"			\
+		"cp.b $(fileaddr) $(kerneladdr) $(filesize);"		\
+		"protect on $(kerneladdr) +$(kernelsize)"		\
+		"\0"							\
+	"update_root=protect off $(rootfsaddr) +$(rootfssize);"		\
+		"dhcp $(copy_addr) rfs;"				\
+		"erase $(rootfsaddr) +$(rootfssize);"			\
+		"cp.b $(fileaddr) $(rootfsaddr) $(filesize);"		\
+		"\0"							\
+	"update_uboot=protect off 10000000 1005FFFF;"			\
+		"dhcp $(copy_addr) u-boot_eb_cpux9k2;"			\
+		"erase 10000000 1005FFFF;"				\
+		"cp.b $(fileaddr) $(ubootaddr) $(filesize);"		\
+		"protect on 10000000 1005FFFF;reset\0"			\
+	"update_splash=protect off $(splashimage) +20000;"		\
+		"dhcp $(copy_addr) splash_eb_cpux9k2.bmp;"		\
+		"erase $(splashimage) +20000;"				\
+		"cp.b $(fileaddr) 10080000 $(filesize);"		\
+		"protect on $(splashimage) +20000;reset\0"		\
+	"emergency=run bootargsdefaults;"				\
+		"set bootargs $(bootargs) root=initramfs boot=emergency " \
+		";bootm $(kerneladdr)\0"				\
+	"netemergency=run bootargsdefaults;"				\
+		"dhcp $(copy_addr) uImage_cpux9k2;"			\
+		"set bootargs $(bootargs) root=initramfs boot=emergency " \
+		";bootm $(copy_addr)\0"					\
+	"norboot=run bootargsdefaults;"					\
+		"set bootargs $(bootargs) root=initramfs boot=local "	\
+		";bootm $(kerneladdr)\0"				\
+	"nandboot=run bootargsdefaults;"				\
+		"set bootargs $(bootargs) root=initramfs boot=nand "	\
+		";bootm $(kerneladdr)\0"				\
+	"uu=run update_uboot\0"						\
+	"ur=run update_root;run nk\0"					\
+	"nk=run bootargsdefaults;set bootargs $(bootargs) root=initramfs " \
+		"boot=local "						\
+		";echo $(bootargs)"					\
+		";dhcp uImage_cpux9k2;bootm\0"				\
+	"nn=run bootargsdefaults;set bootargs $(bootargs) root=initramfs " \
+		"boot=nand "						\
+		";echo $(bootargs)"					\
+		";dhcp uImage_cpux9k2;bootm\0"				\
+	" "
+
+/*--------------------------------------------------------------------------*/
+
+#endif
+
+/* EOF */
-- 
1.6.0.2




    

Jens Scharsig

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