[U-Boot] [PATCH v2 3/4] arm: at91: add at91sam9n12ek board support
Josh Wu
josh.wu at atmel.com
Wed Mar 20 08:55:44 CET 2013
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 at atmel.com>
---
MAINTAINERS | 3 +
arch/arm/cpu/arm926ejs/at91/Makefile | 1 +
arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c | 180 ++++++++++++++++
arch/arm/cpu/arm926ejs/at91/clock.c | 4 +-
board/atmel/at91sam9n12ek/Makefile | 52 +++++
board/atmel/at91sam9n12ek/at91sam9n12ek.c | 228 ++++++++++++++++++++
boards.cfg | 3 +
include/configs/at91sam9n12ek.h | 232 +++++++++++++++++++++
8 files changed, 701 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c
create mode 100644 board/atmel/at91sam9n12ek/Makefile
create mode 100644 board/atmel/at91sam9n12ek/at91sam9n12ek.c
create mode 100644 include/configs/at91sam9n12ek.h
diff --git a/MAINTAINERS b/MAINTAINERS
index e792a8b..5ecb2f7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1007,6 +1007,9 @@ Richard Woodruff <r-woodruff2 at ti.com>
omap2420h4 ARM1136EJS
+Josh Wu <josh.wu at atmel.com>
+ at91sam9n12ek ARM926EJS (AT91SAM9N12 SoC)
+
Ilya Yanok <yanok at emcraft.com>
mcx ARM ARMV7 (AM35x SoC)
diff --git a/arch/arm/cpu/arm926ejs/at91/Makefile b/arch/arm/cpu/arm926ejs/at91/Makefile
index 346e58f..c4408f6 100644
--- a/arch/arm/cpu/arm926ejs/at91/Makefile
+++ b/arch/arm/cpu/arm926ejs/at91/Makefile
@@ -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
diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c
new file mode 100644
index 0000000..2333031
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c
@@ -0,0 +1,180 @@
+/*
+ * (C) Copyright 2013 Atmel Corporation
+ * Josh Wu <josh.wu at 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_b_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_b_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
+
+
+
diff --git a/arch/arm/cpu/arm926ejs/at91/clock.c b/arch/arm/cpu/arm926ejs/at91/clock.c
index f825388..5b4923f 100644
--- a/arch/arm/cpu/arm926ejs/at91/clock.c
+++ b/arch/arm/cpu/arm926ejs/at91/clock.c
@@ -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
@@ -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
diff --git a/board/atmel/at91sam9n12ek/Makefile b/board/atmel/at91sam9n12ek/Makefile
new file mode 100644
index 0000000..3aa67d5
--- /dev/null
+++ b/board/atmel/at91sam9n12ek/Makefile
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# (C) Copyright 2008
+# Stelian Pop <stelian.pop at leadtechdesign.com>
+# Lead Tech Design <www.leadtechdesign.com>
+#
+# (C) Copyright 2013
+# Josh Wu <josh.wu at 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
+
+#########################################################################
diff --git a/board/atmel/at91sam9n12ek/at91sam9n12ek.c b/board/atmel/at91sam9n12ek/at91sam9n12ek.c
new file mode 100644
index 0000000..8752794
--- /dev/null
+++ b/board/atmel/at91sam9n12ek/at91sam9n12ek.c
@@ -0,0 +1,228 @@
+/*
+ * (C) Copyright 2013 Atmel Corporation
+ * Josh Wu <josh.wu at 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/at91sam9x5_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/clk.h>
+#include <lcd.h>
+#include <atmel_hlcdc.h>
+#include <atmel_mci.h>
+
+#ifdef CONFIG_LCD_INFO
+#include <nand.h>
+#include <version.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+#ifdef CONFIG_NAND_ATMEL
+static void at91sam9n12ek_nand_hw_init(void)
+{
+ struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+ struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
+ unsigned long csa;
+
+ /* Assign CS3 to NAND/SmartMedia Interface */
+ csa = readl(&matrix->ebicsa);
+ csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA;
+ /* Configure databus */
+ csa &= ~AT91_MATRIX_NFD0_ON_D16; /* nandflash connect to D0~D15 */
+ /* Configure IO drive */
+ csa &= ~AT91_MATRIX_EBI_EBI_IOSR_NORMAL;
+
+ writel(csa, &matrix->ebicsa);
+
+ /* Configure SMC CS3 for NAND/SmartMedia */
+ writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
+ AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
+ &smc->cs[3].setup);
+ writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) |
+ AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(6),
+ &smc->cs[3].pulse);
+ writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(7),
+ &smc->cs[3].cycle);
+ writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+ AT91_SMC_MODE_EXNW_DISABLE |
+#ifdef CONFIG_SYS_NAND_DBW_16
+ AT91_SMC_MODE_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+ AT91_SMC_MODE_DBW_8 |
+#endif
+ AT91_SMC_MODE_TDF_CYCLE(1),
+ &smc->cs[3].mode);
+
+ /* Configure RDY/BSY pin */
+ at91_set_pio_input(AT91_PIO_PORTD, 5, 1);
+
+ /* Configure ENABLE pin for NandFlash */
+ at91_set_pio_output(AT91_PIO_PORTD, 4, 1);
+
+ at91_set_a_periph(AT91_PIO_PORTD, 0, 1); /* NAND OE */
+ at91_set_a_periph(AT91_PIO_PORTD, 1, 1); /* NAND WE */
+ at91_set_a_periph(AT91_PIO_PORTD, 2, 1); /* ALE */
+ at91_set_a_periph(AT91_PIO_PORTD, 3, 1); /* CLE */
+}
+#endif
+
+#ifdef CONFIG_LCD
+vidinfo_t panel_info = {
+ .vl_col = 480,
+ .vl_row = 272,
+ .vl_clk = 9000000,
+ .vl_bpix = LCD_BPP,
+ .vl_sync = 0,
+ .vl_tft = 1,
+ .vl_hsync_len = 5,
+ .vl_left_margin = 8,
+ .vl_right_margin = 43,
+ .vl_vsync_len = 10,
+ .vl_upper_margin = 4,
+ .vl_lower_margin = 12,
+ .mmio = ATMEL_BASE_LCDC,
+};
+
+void lcd_enable(void)
+{
+ at91_set_pio_output(AT91_PIO_PORTC, 25, 0); /* power up */
+}
+
+void lcd_disable(void)
+{
+ at91_set_pio_output(AT91_PIO_PORTC, 25, 1); /* power down */
+}
+
+#ifdef CONFIG_LCD_INFO
+void lcd_show_board_info(void)
+{
+ ulong dram_size, nand_size;
+ int i;
+ char temp[32];
+
+ lcd_printf("%s\n", U_BOOT_VERSION);
+ lcd_printf("ATMEL Corp\n");
+ lcd_printf("at91 at atmel.com\n");
+ lcd_printf("%s CPU at %s MHz\n",
+ ATMEL_CPU_NAME,
+ strmhz(temp, get_cpu_clk_rate()));
+
+ dram_size = 0;
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+ dram_size += gd->bd->bi_dram[i].size;
+ nand_size = 0;
+ for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+ nand_size += nand_info[i].size;
+ lcd_printf(" %ld MB SDRAM, %ld MB NAND\n",
+ dram_size >> 20,
+ nand_size >> 20);
+}
+#endif /* CONFIG_LCD_INFO */
+#endif /* CONFIG_LCD */
+
+/* SPI chip select control */
+#ifdef CONFIG_ATMEL_SPI
+#include <spi.h>
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ return bus == 0 && cs < 2;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+ switch (slave->cs) {
+ case 0:
+ at91_set_pio_output(AT91_PIO_PORTA, 14, 0);
+ break;
+ case 1:
+ at91_set_pio_output(AT91_PIO_PORTA, 7, 0);
+ break;
+ }
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ switch (slave->cs) {
+ case 0:
+ at91_set_pio_output(AT91_PIO_PORTA, 14, 1);
+ break;
+ case 1:
+ at91_set_pio_output(AT91_PIO_PORTA, 7, 1);
+ break;
+ }
+}
+#endif /* CONFIG_ATMEL_SPI */
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bd)
+{
+ at91_mci_hw_init();
+
+ return atmel_mci_init((void *)ATMEL_BASE_HSMCI0);
+}
+#endif
+
+int board_early_init_f(void)
+{
+ /* Enable clocks for all PIOs */
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ writel((1 << ATMEL_ID_PIOAB) | (1 << ATMEL_ID_PIOCD), &pmc->pcer);
+
+ at91_seriald_hw_init();
+ return 0;
+}
+
+int board_init(void)
+{
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_NAND_ATMEL
+ at91sam9n12ek_nand_hw_init();
+#endif
+
+#ifdef CONFIG_ATMEL_SPI
+ at91_spi0_hw_init(1 << 0);
+#endif
+
+#ifdef CONFIG_LCD
+ at91_lcd_hw_init();
+#endif
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_SDRAM_SIZE);
+ return 0;
+}
diff --git a/boards.cfg b/boards.cfg
index fdb32c2..5273c27 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -106,6 +106,9 @@ at91sam9x5ek_mmc arm arm926ejs at91sam9x5ek atmel
at91sam9xeek_dataflash_cs0 arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9XE,SYS_USE_DATAFLASH_CS0
at91sam9xeek_dataflash_cs1 arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9XE,SYS_USE_DATAFLASH_CS1
at91sam9xeek_nandflash arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9XE,SYS_USE_NANDFLASH
+at91sam9n12ek_nandflash arm arm926ejs at91sam9n12ek atmel at91 at91sam9n12ek:AT91SAM9N12,SYS_USE_NANDFLASH
+at91sam9n12ek_spiflash arm arm926ejs at91sam9n12ek atmel at91 at91sam9n12ek:AT91SAM9N12,SYS_USE_SPIFLASH
+at91sam9n12ek_mmc arm arm926ejs at91sam9n12ek atmel at91 at91sam9n12ek:AT91SAM9N12,SYS_USE_MMC
snapper9260 arm arm926ejs - bluewater at91 snapper9260:AT91SAM9260
snapper9g20 arm arm926ejs snapper9260 bluewater at91 snapper9260:AT91SAM9G20
vl_ma2sc arm arm926ejs vl_ma2sc BuS at91
diff --git a/include/configs/at91sam9n12ek.h b/include/configs/at91sam9n12ek.h
new file mode 100644
index 0000000..8d2673d
--- /dev/null
+++ b/include/configs/at91sam9n12ek.h
@@ -0,0 +1,232 @@
+/*
+ * (C) Copyright 2013 Atmel Corporation.
+ * Josh Wu <josh.wu at atmel.com>
+ *
+ * Configuation settings for the AT91SAM9N12-EK boards.
+ *
+ * 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 __AT91SAM9N12_CONFIG_H_
+#define __AT91SAM9N12_CONFIG_H_
+
+/*
+ * SoC must be defined first, before hardware.h is included.
+ * In this case SoC is defined in boards.cfg.
+ */
+#include <asm/hardware.h>
+
+#define CONFIG_SYS_TEXT_BASE 0x26f00000
+
+#define CONFIG_ARM926EJS
+#define CONFIG_AT91FAMILY
+
+/* ARM asynchronous clock */
+#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
+#define CONFIG_SYS_AT91_MAIN_CLOCK 16000000 /* main clock xtal */
+#define CONFIG_SYS_HZ 1000
+
+/* Misc CPU related */
+#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_DISPLAY_CPUINFO
+
+#define CONFIG_OF_LIBFDT
+
+/* general purpose I/O */
+#define CONFIG_AT91_GPIO
+
+/* serial console */
+#define CONFIG_ATMEL_USART
+#define CONFIG_USART_BASE ATMEL_BASE_DBGU
+#define CONFIG_USART_ID ATMEL_ID_SYS
+#define CONFIG_BAUDRATE 115200
+
+/* LCD */
+#define CONFIG_LCD
+#define LCD_BPP LCD_COLOR16
+#define LCD_OUTPUT_BPP 24
+#define CONFIG_LCD_LOGO
+#define CONFIG_LCD_INFO
+#define CONFIG_LCD_INFO_BELOW_LOGO
+#define CONFIG_SYS_WHITE_ON_BLACK
+#define CONFIG_ATMEL_HLCD
+#define CONFIG_ATMEL_LCD_RGB565
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+
+#define CONFIG_BOOTDELAY 3
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+/* NOR flash - no real flash on this board */
+#define CONFIG_SYS_NO_FLASH
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_FPGA
+
+#define CONFIG_CMD_BOOTZ
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_FAT
+
+#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_SYS_SDRAM_BASE 0x20000000
+#define CONFIG_SYS_SDRAM_SIZE 0x08000000
+
+/*
+ * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
+ * leaving the correct space for initial global data structure above
+ * that address while providing maximum stack area below.
+ */
+# define CONFIG_SYS_INIT_SP_ADDR \
+ (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
+
+/* DataFlash */
+#ifdef CONFIG_CMD_SF
+#define CONFIG_ATMEL_SPI
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_ATMEL
+#define CONFIG_SF_DEFAULT_SPEED 30000000
+#define CONFIG_ENV_SPI_MODE SPI_MODE_3
+#define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
+#endif
+
+/* NAND flash */
+#ifdef CONFIG_CMD_NAND
+#define CONFIG_NAND_ATMEL
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE 0x40000000
+#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
+#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
+#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIO_PORTD, 4
+#define CONFIG_SYS_NAND_READY_PIN AT91_PIO_PORTD, 5
+
+/* PMECC & PMERRLOC */
+#define CONFIG_ATMEL_NAND_HWECC
+#define CONFIG_ATMEL_NAND_HW_PMECC
+#define CONFIG_PMECC_CAP 2
+#define CONFIG_PMECC_SECTOR_SIZE 512
+#define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000
+#endif
+
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_MTD_DEVICE
+#define CONFIG_CMD_MTDPARTS
+#define MTDIDS_DEFAULT "nand0=atmel_nand"
+#define MTDPARTS_DEFAULT \
+ "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
+ "256k(env),256k(env_redundant),256k(spare)," \
+ "512k(dtb),6M(kernel)ro,-(rootfs)"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "console=console=ttyS0,115200\0" \
+ "mtdparts="MTDPARTS_DEFAULT"\0" \
+ "bootargs_nand=rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs rw\0"\
+ "bootargs_mmc=root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait\0"
+
+/* MMC */
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_GENERIC_ATMEL_MCI
+#endif
+
+/* FAT */
+#ifdef CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
+#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
+
+#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_END 0x26e00000
+
+#ifdef CONFIG_SYS_USE_SPIFLASH
+
+/* bootstrap + u-boot + env + linux in dataflash on CS0 */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_OFFSET 0x5000
+#define CONFIG_ENV_SIZE 0x3000
+#define CONFIG_ENV_SECT_SIZE 0x1000
+#define CONFIG_BOOTCOMMAND \
+ "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \
+ "sf probe 0; sf read 0x22000000 0x100000 0x300000; " \
+ "bootm 0x22000000"
+
+#elif defined(CONFIG_SYS_USE_NANDFLASH)
+
+/* bootstrap + u-boot + env + linux in nandflash */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET 0xc0000
+#define CONFIG_ENV_OFFSET_REDUND 0x100000
+#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
+#define CONFIG_BOOTCOMMAND \
+ "setenv bootargs ${console} ${mtdparts} ${bootargs_nand};" \
+ "nand read 0x21000000 0x180000 0x080000;" \
+ "nand read 0x22000000 0x200000 0x400000;" \
+ "bootm 0x22000000 - 0x21000000"
+
+#else /* CONFIG_SYS_USE_MMC */
+
+/* bootstrap + u-boot + env + linux in mmc */
+#define CONFIG_ENV_IS_IN_MMC
+/* For FAT system, most cases it should be in the reserved sector */
+#define CONFIG_ENV_OFFSET 0x2000
+#define CONFIG_ENV_SIZE 0x1000
+#define CONFIG_SYS_MMC_ENV_DEV 0
+#define CONFIG_BOOTCOMMAND \
+ "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \
+ "fatload mmc 0:1 0x21000000 dtb;" \
+ "fatload mmc 0:1 0x22000000 uImage;" \
+ "bootm 0x22000000 - 0x21000000"
+
+#endif
+
+#define CONFIG_SYS_PROMPT "U-Boot> "
+#define CONFIG_SYS_CBSIZE 256
+#define CONFIG_SYS_MAXARGS 16
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) \
+ + 16)
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_HUSH_PARSER
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
+#define CONFIG_STACKSIZE (32 * 1024) /* regular stack */
+
+#endif
--
1.7.9.5
More information about the U-Boot
mailing list