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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2008-05-24 12:56:53 +0200 | 
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| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2008-05-24 12:56:53 +0200 | 
| commit | 42fd5f87b1613d3039f57e93c16f760a768d3e84 (patch) | |
| tree | 9dd0252fca37dbdb1148ce7fd44dc5c9dd8a6b34 /board/atmel/at91sam9rlek/at91sam9rlek.c | |
| parent | 2c8d41969b47eb0b973912830c58689b2ba0e50a (diff) | |
| parent | 54694a91428f6c3280fe1ee0923488a1e7e8dbc4 (diff) | |
| download | olio-uboot-2014.01-42fd5f87b1613d3039f57e93c16f760a768d3e84.tar.xz olio-uboot-2014.01-42fd5f87b1613d3039f57e93c16f760a768d3e84.zip | |
Merging Stelian Pop AT91 patches
Merge branch 'testing-V2'
Conflicts:
	board/atmel/at91cap9adk/Makefile
                Fixing copyright
	board/atmel/at91sam9260ek/Makefile
                Fixing copyright
	board/atmel/at91sam9260ek/u-boot.lds
                Delete no more needed ld script
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'board/atmel/at91sam9rlek/at91sam9rlek.c')
| -rw-r--r-- | board/atmel/at91sam9rlek/at91sam9rlek.c | 215 | 
1 files changed, 215 insertions, 0 deletions
| diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c new file mode 100644 index 000000000..10423d259 --- /dev/null +++ b/board/atmel/at91sam9rlek/at91sam9rlek.c @@ -0,0 +1,215 @@ +/* + * (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; +} |