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AT91SAM9263EK support
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This patch adds support for the AT91SAM9263 chip and the AT91SAM9263EK
board.

Signed-off-by: Stelian Pop <[email protected]>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
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stelian42 authored and plagnioj committed May 10, 2008
1 parent d99a8ff commit 8e429b3
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1 change: 1 addition & 0 deletions MAINTAINERS
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Expand Up @@ -539,6 +539,7 @@ Stelian Pop <[email protected]>
at91cap9adk ARM926EJS (AT91CAP9 SoC)
at91sam9260ek ARM926EJS (AT91SAM9260 SoC)
at91sam9261ek ARM926EJS (AT91SAM9261 SoC)
at91sam9263ek ARM926EJS (AT91SAM9263 SoC)

Stefan Roese <[email protected]>

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1 change: 1 addition & 0 deletions MAKEALL
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Expand Up @@ -460,6 +460,7 @@ LIST_ARM9=" \
at91rm9200dk \
at91sam9260ek \
at91sam9261ek \
at91sam9263ek \
cmc_pu2 \
ap920t \
ap922_XA10 \
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3 changes: 3 additions & 0 deletions Makefile
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Expand Up @@ -2329,6 +2329,9 @@ at91rm9200dk_config : unconfig
at91sam9261ek_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm926ejs at91sam9261ek atmel at91sam9

at91sam9263ek_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm926ejs at91sam9263ek atmel at91sam9

cmc_pu2_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm920t cmc_pu2 NULL at91rm9200

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57 changes: 57 additions & 0 deletions board/atmel/at91sam9263ek/Makefile
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#
# (C) Copyright 2003-2008
# Wolfgang Denk, DENX Software Engineering, [email protected].
#
# (C) Copyright 2008
# Stelian Pop <[email protected]>
# Lead Tech Design <www.leadtechdesign.com>
#
# 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-y += at91sam9263ek.o
COBJS-y += led.o
COBJS-y += partition.o
COBJS-$(CONFIG_CMD_NAND) += nand.o

SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y))
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

#########################################################################
240 changes: 240 additions & 0 deletions board/atmel/at91sam9263ek/at91sam9263ek.c
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/*
* (C) Copyright 2007-2008
* Stelian Pop <[email protected]>
* Lead Tech Design <www.leadtechdesign.com>
*
* 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 <asm/arch/at91sam9263.h>
#include <asm/arch/at91sam9263_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/io.h>
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
#include <net.h>
#endif

DECLARE_GLOBAL_DATA_PTR;

/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/

static void at91sam9263ek_serial_hw_init(void)
{
#ifdef CONFIG_USART0
at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0);
#endif

#ifdef CONFIG_USART1
at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1);
#endif

#ifdef CONFIG_USART2
at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2);
#endif

#ifdef CONFIG_USART3 /* DBGU */
at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
#endif
}

#ifdef CONFIG_CMD_NAND
static void at91sam9263ek_nand_hw_init(void)
{
unsigned long csa;

/* Enable CS3 */
csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
at91_sys_write(AT91_MATRIX_EBI0CSA,
csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);

/* Configure SMC CS3 for NAND/SmartMedia */
at91_sys_write(AT91_SMC_SETUP(3),
AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) |
AT91_SMC_NRDSETUP_(0) | 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 |
#ifdef CFG_NAND_DBW_16
AT91_SMC_DBW_16 |
#else /* CFG_NAND_DBW_8 */
AT91_SMC_DBW_8 |
#endif
AT91_SMC_TDF_(2));

at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA |
1 << AT91SAM9263_ID_PIOCDE);

/* Configure RDY/BSY */
at91_set_gpio_input(AT91_PIN_PA22, 1);

/* Enable NandFlash */
at91_set_gpio_output(AT91_PIN_PD15, 1);
}
#endif

#ifdef CONFIG_HAS_DATAFLASH
static void at91sam9263ek_spi_hw_init(void)
{
at91_set_B_periph(AT91_PIN_PA5, 0); /* SPI0_NPCS0 */

at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */

/* Enable clock */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI0);
}
#endif

#ifdef CONFIG_MACB
static void at91sam9263ek_macb_hw_init(void)
{
/* Enable clock */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC);

/*
* Disable pull-up on:
* RXDV (PC25) => PHY normal mode (not Test mode)
* ERX0 (PE25) => PHY ADDR0
* ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
*
* PHY has internal pull-down
*/
writel(pin_to_mask(AT91_PIN_PC25),
pin_to_controller(AT91_PIN_PC0) + PIO_PUDR);
writel(pin_to_mask(AT91_PIN_PE25) |
pin_to_mask(AT91_PIN_PE26),
pin_to_controller(AT91_PIN_PE0) + PIO_PUDR);

/* Need to reset PHY -> 500ms reset */
at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
AT91_RSTC_ERSTL | (0x0D << 8) |
AT91_RSTC_URSTEN);

at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);

/* Wait for end hardware reset */
while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));

/* Re-enable pull-up */
writel(pin_to_mask(AT91_PIN_PC25),
pin_to_controller(AT91_PIN_PC0) + PIO_PUER);
writel(pin_to_mask(AT91_PIN_PE25) |
pin_to_mask(AT91_PIN_PE26),
pin_to_controller(AT91_PIN_PE0) + PIO_PUER);

at91_set_A_periph(AT91_PIN_PE21, 0); /* ETXCK_EREFCK */
at91_set_B_periph(AT91_PIN_PC25, 0); /* ERXDV */
at91_set_A_periph(AT91_PIN_PE25, 0); /* ERX0 */
at91_set_A_periph(AT91_PIN_PE26, 0); /* ERX1 */
at91_set_A_periph(AT91_PIN_PE27, 0); /* ERXER */
at91_set_A_periph(AT91_PIN_PE28, 0); /* ETXEN */
at91_set_A_periph(AT91_PIN_PE23, 0); /* ETX0 */
at91_set_A_periph(AT91_PIN_PE24, 0); /* ETX1 */
at91_set_A_periph(AT91_PIN_PE30, 0); /* EMDIO */
at91_set_A_periph(AT91_PIN_PE29, 0); /* EMDC */

#ifndef CONFIG_RMII
at91_set_A_periph(AT91_PIN_PE22, 0); /* ECRS */
at91_set_B_periph(AT91_PIN_PC26, 0); /* ECOL */
at91_set_B_periph(AT91_PIN_PC22, 0); /* ERX2 */
at91_set_B_periph(AT91_PIN_PC23, 0); /* ERX3 */
at91_set_B_periph(AT91_PIN_PC27, 0); /* ERXCK */
at91_set_B_periph(AT91_PIN_PC20, 0); /* ETX2 */
at91_set_B_periph(AT91_PIN_PC21, 0); /* ETX3 */
at91_set_B_periph(AT91_PIN_PC24, 0); /* ETXER */
#endif

}
#endif

#ifdef CONFIG_USB_OHCI_NEW
static void at91sam9263ek_uhp_hw_init(void)
{
/* Enable VBus on UHP ports */
at91_set_gpio_output(AT91_PIN_PA21, 0);
at91_set_gpio_output(AT91_PIN_PA24, 0);
}
#endif

int board_init(void)
{
/* Enable Ctrlc */
console_init_f();

/* arch number of AT91SAM9263EK-Board */
gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK;
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

at91sam9263ek_serial_hw_init();
#ifdef CONFIG_CMD_NAND
at91sam9263ek_nand_hw_init();
#endif
#ifdef CONFIG_HAS_DATAFLASH
at91sam9263ek_spi_hw_init();
#endif
#ifdef CONFIG_MACB
at91sam9263ek_macb_hw_init();
#endif
#ifdef CONFIG_USB_OHCI_NEW
at91sam9263ek_uhp_hw_init();
#endif
return 0;
}

int dram_init(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM;
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
return 0;
}

#ifdef CONFIG_RESET_PHY_R
void reset_phy(void)
{
#ifdef CONFIG_MACB
/*
* Initialize ethernet HW addr prior to starting Linux,
* needed for nfsroot
*/
eth_init(gd->bd);
#endif
}
#endif
1 change: 1 addition & 0 deletions board/atmel/at91sam9263ek/config.mk
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TEXT_BASE = 0x23f00000
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