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arm: at91: add at91sam9n12ek board support
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Add support for following features:
  - nand boot, with PMECC 2bit ECC for 512 bytes sector
  - SPI flash boot
  - SD card boot
  - LCD support

Signed-off-by: Josh Wu <josh.wu@atmel.com>
[fix -Wimplicit-function-declaration for at91_lcd_hw_init()]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
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@JoshWu
JoshWu authored and Andreas Bießmann committed May 12, 2013
1 parent e542377 commit 9e33690
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3 changes: 3 additions & 0 deletions MAINTAINERS
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Expand Up @@ -1023,6 +1023,9 @@ Richard Woodruff <r-woodruff2@ti.com>

omap2420h4 ARM1136EJS

Josh Wu <josh.wu@atmel.com>
at91sam9n12ek ARM926EJS (AT91SAM9N12 SoC)

Ilya Yanok <yanok@emcraft.com>

mcx ARM ARMV7 (AM35x SoC)
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1 change: 1 addition & 0 deletions arch/arm/cpu/arm926ejs/at91/Makefile
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Expand Up @@ -35,6 +35,7 @@ COBJS-$(CONFIG_AT91SAM9263) += at91sam9263_devices.o
COBJS-$(CONFIG_AT91SAM9RL) += at91sam9rl_devices.o
COBJS-$(CONFIG_AT91SAM9M10G45) += at91sam9m10g45_devices.o
COBJS-$(CONFIG_AT91SAM9G45) += at91sam9m10g45_devices.o
COBJS-$(CONFIG_AT91SAM9N12) += at91sam9n12_devices.o
COBJS-$(CONFIG_AT91SAM9X5) += at91sam9x5_devices.o
COBJS-$(CONFIG_AT91_EFLASH) += eflash.o
COBJS-$(CONFIG_AT91_LED) += led.o
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177 changes: 177 additions & 0 deletions arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c
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@@ -0,0 +1,177 @@
/*
* (C) Copyright 2013 Atmel Corporation
* Josh Wu <josh.wu@atmel.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/io.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_pio.h>

unsigned int has_lcdc()
{
return 1;
}

void at91_serial0_hw_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD0 */
at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD0 */
writel(1 << ATMEL_ID_USART0, &pmc->pcer);
}

void at91_serial1_hw_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD1 */
at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD1 */
writel(1 << ATMEL_ID_USART1, &pmc->pcer);
}

void at91_serial2_hw_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD2 */
at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD2 */
writel(1 << ATMEL_ID_USART2, &pmc->pcer);
}

void at91_serial3_hw_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_b_periph(AT91_PIO_PORTC, 22, 1); /* TXD3 */
at91_set_b_periph(AT91_PIO_PORTC, 23, 0); /* RXD3 */
writel(1 << ATMEL_ID_USART3, &pmc->pcer);
}

void at91_seriald_hw_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */
at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */
writel(1 << ATMEL_ID_SYS, &pmc->pcer);
}

#ifdef CONFIG_ATMEL_SPI
void at91_spi0_hw_init(unsigned long cs_mask)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */
at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */
at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */

/* Enable clock */
writel(1 << ATMEL_ID_SPI0, &pmc->pcer);

if (cs_mask & (1 << 0))
at91_set_pio_output(AT91_PIO_PORTA, 14, 1);
if (cs_mask & (1 << 1))
at91_set_pio_output(AT91_PIO_PORTA, 7, 1);
if (cs_mask & (1 << 2))
at91_set_pio_output(AT91_PIO_PORTA, 1, 1);
if (cs_mask & (1 << 3))
at91_set_pio_output(AT91_PIO_PORTB, 3, 1);
}

void at91_spi1_hw_init(unsigned long cs_mask)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */
at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */
at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */

/* Enable clock */
writel(1 << ATMEL_ID_SPI1, &pmc->pcer);

if (cs_mask & (1 << 0))
at91_set_pio_output(AT91_PIO_PORTA, 8, 1);
if (cs_mask & (1 << 1))
at91_set_pio_output(AT91_PIO_PORTA, 0, 1);
if (cs_mask & (1 << 2))
at91_set_pio_output(AT91_PIO_PORTA, 31, 1);
if (cs_mask & (1 << 3))
at91_set_pio_output(AT91_PIO_PORTA, 30, 1);
}
#endif

void at91_mci_hw_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* MCCK */
at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* MCCDA */
at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* MCDA0 */
at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* MCDA1 */
at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* MCDA2 */
at91_set_a_periph(AT91_PIO_PORTA, 20, 0); /* MCDA3 */

writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer);
}

#ifdef CONFIG_LCD
void at91_lcd_hw_init(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDPWR */
at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDVSYNC */
at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDHSYNC */
at91_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDDOTCK */
at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDEN */
at91_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDDOTCK */

at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDD0 */
at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDD1 */
at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDD2 */
at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDD3 */
at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD4 */
at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD5 */
at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD6 */
at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD7 */
at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD8 */
at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD9 */
at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD10 */
at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD11 */
at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDD12 */
at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD13 */
at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD14 */
at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD15 */
at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD16 */
at91_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDD17 */
at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD18 */
at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD19 */
at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD20 */
at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD21 */
at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD22 */
at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD23 */

writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
}
#endif
4 changes: 2 additions & 2 deletions arch/arm/cpu/arm926ejs/at91/clock.c
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Expand Up @@ -156,7 +156,7 @@ int at91_clock_init(unsigned long main_clock)
*/
mckr = readl(&pmc->mckr);
#if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \
|| defined(CONFIG_AT91SAM9X5)
|| defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5)
/* plla divisor by 2 */
gd->arch.plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12));
#endif
Expand All @@ -171,7 +171,7 @@ int at91_clock_init(unsigned long main_clock)
if (mckr & AT91_PMC_MCKR_MDIV_MASK)
freq /= 2; /* processor clock division */
#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \
|| defined(CONFIG_AT91SAM9X5)
|| defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5)
/* mdiv <==> divisor
* 0 <==> 1
* 1 <==> 2
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1 change: 1 addition & 0 deletions arch/arm/include/asm/arch-at91/at91_common.h
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Expand Up @@ -35,5 +35,6 @@ void at91_seriald_hw_init(void);
void at91_spi0_hw_init(unsigned long cs_mask);
void at91_spi1_hw_init(unsigned long cs_mask);
void at91_uhp_hw_init(void);
void at91_lcd_hw_init(void);

#endif /* AT91_COMMON_H */
52 changes: 52 additions & 0 deletions board/atmel/at91sam9n12ek/Makefile
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@@ -0,0 +1,52 @@
#
# (C) Copyright 2003-2008
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# (C) Copyright 2008
# Stelian Pop <stelian.pop@leadtechdesign.com>
# Lead Tech Design <www.leadtechdesign.com>
#
# (C) Copyright 2013
# Josh Wu <josh.wu@atmel.com>
# Atmel corporation <www.atmel.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).o

COBJS-y += at91sam9n12ek.o

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

$(LIB): $(obj).depend $(OBJS) $(SOBJS)
$(call cmd_link_o_target, $(OBJS) $(SOBJS))

#########################################################################

# defines $(obj).depend target
include $(SRCTREE)/rules.mk

sinclude $(obj).depend

#########################################################################
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