Re: [U-Boot] [PATCH 9/9 V3] new board (eb_cpux9k2)

Jens Scharsig wrote:

• support for EB+CPUx9K2 board by BuS Elektronik GmbH & Co. KG
• select via make eb_cpux9k2_config
• this also demonstrates, how to use boards with AT91RM9200 cpu in at91 arch tree

Signed-off-by: Jens Scharsig js_at_ng@scharsoft.de

MAINTAINERS | 14 +- MAKEALL | 1 + Makefile | 3 + board/BuS/eb_cpux9k2/Makefile | 51 +++++ board/BuS/eb_cpux9k2/config.mk | 1 + board/BuS/eb_cpux9k2/cpux9k2.c | 420 +++++++++++++++++++++++++++++++++++++++ include/configs/eb_cpux9k2.h | 427 ++++++++++++++++++++++++++++++++++++++++ 7 files changed, 912 insertions(+), 5 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/MAINTAINERS b/MAINTAINERS index 3879fde..0a0cf7c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -70,7 +70,7 @@ Joe D'Abbraccio ljd015@freescale.com

MPC837xERDB MPC837x

-Kári Davíðsson kd@flaga.is +Kï¿œri Davￜￜsson kd@flaga.is

Take care that you do not mangle the accent marks. Apply gobally.

FLAGADM MPC823

@@ -579,7 +579,7 @@ Sedji Gaouaousedji.gaouaou@atmel.com at91sam9g10ek ARM926EJS (AT91SAM9G10 SoC) at91sam9m10g45ek ARM926EJS (AT91SAM9G45 SoC)

-Marius Gröger mag@sysgo.de +Marius Grï¿œger mag@sysgo.de

impa7 ARM720T (EP7211) ep7312 ARM720T (EP7312) @@ -645,7 +645,7 @@ Nishanth Menon nm@ti.com omap3_sdp3430 ARM CORTEX-A8 (OMAP3xx SoC) omap3_zoom1 ARM CORTEX-A8 (OMAP3xx SoC)

-David Müller d.mueller@elsoft.ch +David Mï¿œller d.mueller@elsoft.ch

smdk2410 ARM920T VCMA9 ARM920T @@ -703,6 +703,10 @@ Steve Sakoman sakoman@gmail.com

omap3_overo ARM CORTEX-A8 (OMAP3xx SoC)

+Jens Scharsig esw@bus-elektronik.de

• eb_cpux9k2 ARM920T (AT91RM9200 SoC)

The email does not match what was given in the copyrights. Which is the real address ?

Robert Schwebel r.schwebel@pengutronix.de

csb226 xscale @@ -749,7 +753,7 @@ Richard Woodruff r-woodruff2@ti.com

omap2420h4 ARM1136EJS

-Alex Züpke azu@sysgo.de +Alex Zï¿œpke azu@sysgo.de

lart SA1100 dnp1110 SA1110 @@ -774,7 +778,7 @@ Unknown / orphaned boards: # Board CPU # #########################################################################

-Daniel Engström daniel@omicron.se +Daniel Engstrï¿œm daniel@omicron.se

sc520_cdp x86

diff --git a/MAKEALL b/MAKEALL index dd635bd..980834f 100755 --- a/MAKEALL +++ b/MAKEALL @@ -650,6 +650,7 @@ LIST_at91=" \ CPU9260 \ CPU9G20 \ csb637 \

• eb_cpux9k2 \ kb9202 \ meesc \ mp2usb \

diff --git a/Makefile b/Makefile index 793fcec..375f168 100644 --- a/Makefile +++ b/Makefile @@ -2693,6 +2693,9 @@ 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

Remove if uneeded.

+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..b2a69df --- /dev/null +++ b/board/BuS/eb_cpux9k2/cpux9k2.c @@ -0,0 +1,420 @@ +/*

• • (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;

+}

Normally this is conditionally compiled in by CONFIG_INIT_R

+int misc_init_r(void) +{

• uchar mac[8];
• uchar tm;
• uchar midx;
• uchar macn6, macn7;

May want to make search on ethernet conditional on ethernet support

• 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;
  

ws extra space '= \tAT91 .. ' Similar small ws problems in this patch Fix globally

• 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);
  

+} +*/

These functions are commented out. If they are unneed, remove them.

+#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

Move non-cpu, non-soc, non-board configs lower in the filie

+#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); +*/

these are commended out remove them if unneed move them if needed The config file is not the place to put function declarations

Tom