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| author | Ben Warren <biggerbadderben@gmail.com> | 2008-06-08 22:04:22 -0700 | 
|---|---|---|
| committer | Ben Warren <biggerbadderben@gmail.com> | 2008-06-08 22:04:22 -0700 | 
| commit | e44f3ea4e801d37ef293284cb57b9637382f211a (patch) | |
| tree | 09e6e9e68764e65ef7115db18319ec7e57c90b41 /board/atmel/at91sam9261ek/at91sam9261ek.c | |
| parent | 0e38c938ed4bcadb4f4fc1419a541431e94fc202 (diff) | |
| parent | 8155efbd7ae9c65564ca98affe94631d612ae088 (diff) | |
| download | olio-uboot-2014.01-e44f3ea4e801d37ef293284cb57b9637382f211a.tar.xz olio-uboot-2014.01-e44f3ea4e801d37ef293284cb57b9637382f211a.zip | |
Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'board/atmel/at91sam9261ek/at91sam9261ek.c')
| -rw-r--r-- | board/atmel/at91sam9261ek/at91sam9261ek.c | 258 | 
1 files changed, 258 insertions, 0 deletions
| diff --git a/board/atmel/at91sam9261ek/at91sam9261ek.c b/board/atmel/at91sam9261ek/at91sam9261ek.c new file mode 100644 index 000000000..3de234ce3 --- /dev/null +++ b/board/atmel/at91sam9261ek/at91sam9261ek.c @@ -0,0 +1,258 @@ +/* + * (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/at91sam9261.h> +#include <asm/arch/at91sam9261_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_DRIVER_DM9000) +#include <net.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +static void at91sam9261ek_serial_hw_init(void) +{ +#ifdef CONFIG_USART0 +	at91_set_A_periph(AT91_PIN_PC8, 1);		/* TXD0 */ +	at91_set_A_periph(AT91_PIN_PC9, 0);		/* RXD0 */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0); +#endif + +#ifdef CONFIG_USART1 +	at91_set_A_periph(AT91_PIN_PC12, 1);		/* TXD1 */ +	at91_set_A_periph(AT91_PIN_PC13, 0);		/* RXD1 */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1); +#endif + +#ifdef CONFIG_USART2 +	at91_set_A_periph(AT91_PIN_PC14, 1);		/* TXD2 */ +	at91_set_A_periph(AT91_PIN_PC15, 0);		/* RXD2 */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2); +#endif + +#ifdef CONFIG_USART3	/* DBGU */ +	at91_set_A_periph(AT91_PIN_PA9, 0);		/* DRXD */ +	at91_set_A_periph(AT91_PIN_PA10, 1);		/* DTXD */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS); +#endif +} + +#ifdef CONFIG_CMD_NAND +static void at91sam9261ek_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 << AT91SAM9261_ID_PIOC); + +	/* Configure RDY/BSY */ +	at91_set_gpio_input(AT91_PIN_PC15, 1); + +	/* Enable NandFlash */ +	at91_set_gpio_output(AT91_PIN_PC14, 1); + +	at91_set_A_periph(AT91_PIN_PC0, 0);	/* NANDOE */ +	at91_set_A_periph(AT91_PIN_PC1, 0);	/* NANDWE */ +} +#endif + +#ifdef CONFIG_HAS_DATAFLASH +static void at91sam9261ek_spi_hw_init(void) +{ +	at91_set_A_periph(AT91_PIN_PA3, 0);	/* SPI0_NPCS0 */ + +	at91_set_A_periph(AT91_PIN_PA0, 0);	/* SPI0_MISO */ +	at91_set_A_periph(AT91_PIN_PA1, 0);	/* SPI0_MOSI */ +	at91_set_A_periph(AT91_PIN_PA2, 0);	/* SPI0_SPCK */ + +	/* Enable clock */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI0); +} +#endif + +#ifdef CONFIG_DRIVER_DM9000 +static void at91sam9261ek_dm9000_hw_init(void) +{ +	/* Configure SMC CS2 for DM9000 */ +	at91_sys_write(AT91_SMC_SETUP(2), +		       AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) | +		       AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0)); +	at91_sys_write(AT91_SMC_PULSE(2), +		       AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) | +		       AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8)); +	at91_sys_write(AT91_SMC_CYCLE(2), +		       AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); +	at91_sys_write(AT91_SMC_MODE(2), +		       AT91_SMC_READMODE | AT91_SMC_WRITEMODE | +		       AT91_SMC_EXNWMODE_DISABLE | +		       AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 | +		       AT91_SMC_TDF_(1)); + +	/* Configure Reset signal as output */ +	at91_set_gpio_output(AT91_PIN_PC10, 0); + +	/* Configure Interrupt pin as input, no pull-up */ +	at91_set_gpio_input(AT91_PIN_PC11, 0); +} +#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:		AT91SAM9261_LCDC_BASE, +}; + +void lcd_enable(void) +{ +	at91_set_gpio_value(AT91_PIN_PA12, 0);  /* power up */ +} + +void lcd_disable(void) +{ +	at91_set_gpio_value(AT91_PIN_PA12, 1);  /* power down */ +} + +static void at91sam9261ek_lcd_hw_init(void) +{ +	at91_set_A_periph(AT91_PIN_PB1, 0);	/* LCDHSYNC */ +	at91_set_A_periph(AT91_PIN_PB2, 0);	/* LCDDOTCK */ +	at91_set_A_periph(AT91_PIN_PB3, 0);	/* LCDDEN */ +	at91_set_A_periph(AT91_PIN_PB4, 0);	/* LCDCC */ +	at91_set_A_periph(AT91_PIN_PB7, 0);	/* LCDD2 */ +	at91_set_A_periph(AT91_PIN_PB8, 0);	/* LCDD3 */ +	at91_set_A_periph(AT91_PIN_PB9, 0);	/* LCDD4 */ +	at91_set_A_periph(AT91_PIN_PB10, 0);	/* LCDD5 */ +	at91_set_A_periph(AT91_PIN_PB11, 0);	/* LCDD6 */ +	at91_set_A_periph(AT91_PIN_PB12, 0);	/* LCDD7 */ +	at91_set_A_periph(AT91_PIN_PB15, 0);	/* LCDD10 */ +	at91_set_A_periph(AT91_PIN_PB16, 0);	/* LCDD11 */ +	at91_set_A_periph(AT91_PIN_PB17, 0);	/* LCDD12 */ +	at91_set_A_periph(AT91_PIN_PB18, 0);	/* LCDD13 */ +	at91_set_A_periph(AT91_PIN_PB19, 0);	/* LCDD14 */ +	at91_set_A_periph(AT91_PIN_PB20, 0);	/* LCDD15 */ +	at91_set_B_periph(AT91_PIN_PB23, 0);	/* LCDD18 */ +	at91_set_B_periph(AT91_PIN_PB24, 0);	/* LCDD19 */ +	at91_set_B_periph(AT91_PIN_PB25, 0);	/* LCDD20 */ +	at91_set_B_periph(AT91_PIN_PB26, 0);	/* LCDD21 */ +	at91_set_B_periph(AT91_PIN_PB27, 0);	/* LCDD22 */ +	at91_set_B_periph(AT91_PIN_PB28, 0);	/* LCDD23 */ + +	at91_sys_write(AT91_PMC_SCER, AT91_PMC_HCK1); + +	gd->fb_base = AT91SAM9261_SRAM_BASE; +} +#endif + +int board_init(void) +{ +	/* Enable Ctrlc */ +	console_init_f(); + +	/* arch number of AT91SAM9261EK-Board */ +	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9261EK; +	/* adress of boot parameters */ +	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +	at91sam9261ek_serial_hw_init(); +#ifdef CONFIG_CMD_NAND +	at91sam9261ek_nand_hw_init(); +#endif +#ifdef CONFIG_HAS_DATAFLASH +	at91sam9261ek_spi_hw_init(); +#endif +#ifdef CONFIG_DRIVER_DM9000 +	at91sam9261ek_dm9000_hw_init(); +#endif +#ifdef CONFIG_LCD +	at91sam9261ek_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; +} + +#ifdef CONFIG_RESET_PHY_R +void reset_phy(void) +{ +#ifdef CONFIG_DRIVER_DM9000 +	/* +	 * Initialize ethernet HW addr prior to starting Linux, +	 * needed for nfsroot +	 */ +	eth_init(gd->bd); +#endif +} +#endif |