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Diffstat (limited to 'board/atmel/at91sam9rlek/at91sam9rlek.c')
-rw-r--r--board/atmel/at91sam9rlek/at91sam9rlek.c215
1 files changed, 215 insertions, 0 deletions
diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c
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index 0000000000..10423d2592
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+++ b/board/atmel/at91sam9rlek/at91sam9rlek.c
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+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * 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/at91sam9rl.h>
+#include <asm/arch/at91sam9rl_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>
+#include <lcd.h>
+#include <atmel_lcdc.h>
+#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
+#include <net.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+static void at91sam9rlek_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+ at91_set_A_periph(AT91_PIN_PA6, 1); /* TXD0 */
+ at91_set_A_periph(AT91_PIN_PA7, 0); /* RXD0 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0);
+#endif
+
+#ifdef CONFIG_USART1
+ at91_set_A_periph(AT91_PIN_PA11, 1); /* TXD1 */
+ at91_set_A_periph(AT91_PIN_PA12, 0); /* RXD1 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1);
+#endif
+
+#ifdef CONFIG_USART2
+ at91_set_A_periph(AT91_PIN_PA13, 1); /* TXD2 */
+ at91_set_A_periph(AT91_PIN_PA14, 0); /* RXD2 */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2);
+#endif
+
+#ifdef CONFIG_USART3 /* DBGU */
+ at91_set_A_periph(AT91_PIN_PA21, 0); /* DRXD */
+ at91_set_A_periph(AT91_PIN_PA22, 1); /* DTXD */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
+#endif
+}
+
+#ifdef CONFIG_CMD_NAND
+static void at91sam9rlek_nand_hw_init(void)
+{
+ unsigned long csa;
+
+ /* Enable CS3 */
+ csa = at91_sys_read(AT91_MATRIX_EBICSA);
+ at91_sys_write(AT91_MATRIX_EBICSA,
+ csa | AT91_MATRIX_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_(2) | AT91_SMC_NCS_WRPULSE_(5) |
+ AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));
+ at91_sys_write(AT91_SMC_CYCLE(3),
+ AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
+ 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_(1));
+
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD);
+
+ /* Configure RDY/BSY */
+ at91_set_gpio_input(AT91_PIN_PD17, 1);
+
+ /* Enable NandFlash */
+ at91_set_gpio_output(AT91_PIN_PB6, 1);
+
+ at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */
+ at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */
+}
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+static void at91sam9rlek_spi_hw_init(void)
+{
+ at91_set_A_periph(AT91_PIN_PA28, 0); /* SPI0_NPCS0 */
+
+ at91_set_A_periph(AT91_PIN_PA25, 0); /* SPI0_MISO */
+ at91_set_A_periph(AT91_PIN_PA26, 0); /* SPI0_MOSI */
+ at91_set_A_periph(AT91_PIN_PA27, 0); /* SPI0_SPCK */
+
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_SPI);
+}
+#endif
+
+#ifdef CONFIG_LCD
+vidinfo_t panel_info = {
+ vl_col: 240,
+ vl_row: 320,
+ vl_clk: 4965000,
+ vl_sync: ATMEL_LCDC_INVLINE_INVERTED |
+ ATMEL_LCDC_INVFRAME_INVERTED,
+ vl_bpix: 3,
+ vl_tft: 1,
+ vl_hsync_len: 5,
+ vl_left_margin: 1,
+ vl_right_margin:33,
+ vl_vsync_len: 1,
+ vl_upper_margin:1,
+ vl_lower_margin:0,
+ mmio: AT91SAM9RL_LCDC_BASE,
+};
+
+void lcd_enable(void)
+{
+ at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */
+}
+
+void lcd_disable(void)
+{
+ at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */
+}
+static void at91sam9rlek_lcd_hw_init(void)
+{
+ at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */
+ at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */
+ at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */
+ at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */
+ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */
+ at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */
+ at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */
+ at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */
+ at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */
+ at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */
+ at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */
+ at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */
+ at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */
+ at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */
+ at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */
+ at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */
+ at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */
+ at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */
+ at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */
+ at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */
+ at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */
+
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_LCDC);
+
+ gd->fb_base = 0;
+}
+#endif
+
+
+int board_init(void)
+{
+ /* Enable Ctrlc */
+ console_init_f();
+
+ /* arch number of AT91SAM9RLEK-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK;
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ at91sam9rlek_serial_hw_init();
+#ifdef CONFIG_CMD_NAND
+ at91sam9rlek_nand_hw_init();
+#endif
+#ifdef CONFIG_HAS_DATAFLASH
+ at91sam9rlek_spi_hw_init();
+#endif
+#ifdef CONFIG_LCD
+ at91sam9rlek_lcd_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;
+}