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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/at91sam9263ek/at91sam9263ek.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/at91sam9263ek/at91sam9263ek.c')
| -rw-r--r-- | board/atmel/at91sam9263ek/at91sam9263ek.c | 305 | 
1 files changed, 305 insertions, 0 deletions
| diff --git a/board/atmel/at91sam9263ek/at91sam9263ek.c b/board/atmel/at91sam9263ek/at91sam9263ek.c new file mode 100644 index 000000000..ba7fc71d7 --- /dev/null +++ b/board/atmel/at91sam9263ek/at91sam9263ek.c @@ -0,0 +1,305 @@ +/* + * (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/sizes.h> +#include <asm/arch/at91sam9263.h> +#include <asm/arch/at91sam9263_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 at91sam9263ek_serial_hw_init(void) +{ +#ifdef CONFIG_USART0 +	at91_set_A_periph(AT91_PIN_PA26, 1);		/* TXD0 */ +	at91_set_A_periph(AT91_PIN_PA27, 0);		/* RXD0 */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0); +#endif + +#ifdef CONFIG_USART1 +	at91_set_A_periph(AT91_PIN_PD0, 1);		/* TXD1 */ +	at91_set_A_periph(AT91_PIN_PD1, 0);		/* RXD1 */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1); +#endif + +#ifdef CONFIG_USART2 +	at91_set_A_periph(AT91_PIN_PD2, 1);		/* TXD2 */ +	at91_set_A_periph(AT91_PIN_PD3, 0);		/* RXD2 */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2); +#endif + +#ifdef CONFIG_USART3	/* DBGU */ +	at91_set_A_periph(AT91_PIN_PC30, 0);		/* DRXD */ +	at91_set_A_periph(AT91_PIN_PC31, 1);		/* DTXD */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS); +#endif +} + +#ifdef CONFIG_CMD_NAND +static void at91sam9263ek_nand_hw_init(void) +{ +	unsigned long csa; + +	/* Enable CS3 */ +	csa = at91_sys_read(AT91_MATRIX_EBI0CSA); +	at91_sys_write(AT91_MATRIX_EBI0CSA, +		       csa | AT91_MATRIX_EBI0_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_(3) | AT91_SMC_NCS_WRPULSE_(3) | +		       AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); +	at91_sys_write(AT91_SMC_CYCLE(3), +		       AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); +	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_(2)); + +	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_PIOA | +				      1 << AT91SAM9263_ID_PIOCDE); + +	/* Configure RDY/BSY */ +	at91_set_gpio_input(AT91_PIN_PA22, 1); + +	/* Enable NandFlash */ +	at91_set_gpio_output(AT91_PIN_PD15, 1); +} +#endif + +#ifdef CONFIG_HAS_DATAFLASH +static void at91sam9263ek_spi_hw_init(void) +{ +	at91_set_B_periph(AT91_PIN_PA5, 0);	/* SPI0_NPCS0 */ + +	at91_set_B_periph(AT91_PIN_PA0, 0);	/* SPI0_MISO */ +	at91_set_B_periph(AT91_PIN_PA1, 0);	/* SPI0_MOSI */ +	at91_set_B_periph(AT91_PIN_PA2, 0);	/* SPI0_SPCK */ + +	/* Enable clock */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI0); +} +#endif + +#ifdef CONFIG_MACB +static void at91sam9263ek_macb_hw_init(void) +{ +	/* Enable clock */ +	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC); + +	/* +	 * Disable pull-up on: +	 *	RXDV (PC25) => PHY normal mode (not Test mode) +	 * 	ERX0 (PE25) => PHY ADDR0 +	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0 +	 * +	 * PHY has internal pull-down +	 */ +	writel(pin_to_mask(AT91_PIN_PC25), +	       pin_to_controller(AT91_PIN_PC0) + PIO_PUDR); +	writel(pin_to_mask(AT91_PIN_PE25) | +	       pin_to_mask(AT91_PIN_PE26), +	       pin_to_controller(AT91_PIN_PE0) + PIO_PUDR); + +	/* Need to reset PHY -> 500ms reset */ +	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY | +				     AT91_RSTC_ERSTL | (0x0D << 8) | +				     AT91_RSTC_URSTEN); + +	at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST); + +	/* Wait for end hardware reset */ +	while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL)); + +	/* Re-enable pull-up */ +	writel(pin_to_mask(AT91_PIN_PC25), +	       pin_to_controller(AT91_PIN_PC0) + PIO_PUER); +	writel(pin_to_mask(AT91_PIN_PE25) | +	       pin_to_mask(AT91_PIN_PE26), +	       pin_to_controller(AT91_PIN_PE0) + PIO_PUER); + +	at91_set_A_periph(AT91_PIN_PE21, 0);	/* ETXCK_EREFCK */ +	at91_set_B_periph(AT91_PIN_PC25, 0);	/* ERXDV */ +	at91_set_A_periph(AT91_PIN_PE25, 0);	/* ERX0 */ +	at91_set_A_periph(AT91_PIN_PE26, 0);	/* ERX1 */ +	at91_set_A_periph(AT91_PIN_PE27, 0);	/* ERXER */ +	at91_set_A_periph(AT91_PIN_PE28, 0);	/* ETXEN */ +	at91_set_A_periph(AT91_PIN_PE23, 0);	/* ETX0 */ +	at91_set_A_periph(AT91_PIN_PE24, 0);	/* ETX1 */ +	at91_set_A_periph(AT91_PIN_PE30, 0);	/* EMDIO */ +	at91_set_A_periph(AT91_PIN_PE29, 0);	/* EMDC */ + +#ifndef CONFIG_RMII +	at91_set_A_periph(AT91_PIN_PE22, 0);	/* ECRS */ +	at91_set_B_periph(AT91_PIN_PC26, 0);	/* ECOL */ +	at91_set_B_periph(AT91_PIN_PC22, 0);	/* ERX2 */ +	at91_set_B_periph(AT91_PIN_PC23, 0);	/* ERX3 */ +	at91_set_B_periph(AT91_PIN_PC27, 0);	/* ERXCK */ +	at91_set_B_periph(AT91_PIN_PC20, 0);	/* ETX2 */ +	at91_set_B_periph(AT91_PIN_PC21, 0);	/* ETX3 */ +	at91_set_B_periph(AT91_PIN_PC24, 0);	/* ETXER */ +#endif + +} +#endif + +#ifdef CONFIG_USB_OHCI_NEW +static void at91sam9263ek_uhp_hw_init(void) +{ +	/* Enable VBus on UHP ports */ +	at91_set_gpio_output(AT91_PIN_PA21, 0); +	at91_set_gpio_output(AT91_PIN_PA24, 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:		AT91SAM9263_LCDC_BASE, +}; + +void lcd_enable(void) +{ +	at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power up */ +} + +void lcd_disable(void) +{ +	at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power down */ +} + +static void at91sam9263ek_lcd_hw_init(void) +{ +	at91_set_A_periph(AT91_PIN_PC1, 0);	/* LCDHSYNC */ +	at91_set_A_periph(AT91_PIN_PC2, 0);	/* LCDDOTCK */ +	at91_set_A_periph(AT91_PIN_PC3, 0);	/* LCDDEN */ +	at91_set_B_periph(AT91_PIN_PB9, 0);	/* LCDCC */ +	at91_set_A_periph(AT91_PIN_PC6, 0);	/* LCDD2 */ +	at91_set_A_periph(AT91_PIN_PC7, 0);	/* LCDD3 */ +	at91_set_A_periph(AT91_PIN_PC8, 0);	/* LCDD4 */ +	at91_set_A_periph(AT91_PIN_PC9, 0);	/* LCDD5 */ +	at91_set_A_periph(AT91_PIN_PC10, 0);	/* LCDD6 */ +	at91_set_A_periph(AT91_PIN_PC11, 0);	/* LCDD7 */ +	at91_set_A_periph(AT91_PIN_PC14, 0);	/* LCDD10 */ +	at91_set_A_periph(AT91_PIN_PC15, 0);	/* LCDD11 */ +	at91_set_A_periph(AT91_PIN_PC16, 0);	/* LCDD12 */ +	at91_set_B_periph(AT91_PIN_PC12, 0);	/* LCDD13 */ +	at91_set_A_periph(AT91_PIN_PC18, 0);	/* LCDD14 */ +	at91_set_A_periph(AT91_PIN_PC19, 0);	/* LCDD15 */ +	at91_set_A_periph(AT91_PIN_PC22, 0);	/* LCDD18 */ +	at91_set_A_periph(AT91_PIN_PC23, 0);	/* LCDD19 */ +	at91_set_A_periph(AT91_PIN_PC24, 0);	/* LCDD20 */ +	at91_set_B_periph(AT91_PIN_PC17, 0);	/* LCDD21 */ +	at91_set_A_periph(AT91_PIN_PC26, 0);	/* LCDD22 */ +	at91_set_A_periph(AT91_PIN_PC27, 0);	/* LCDD23 */ + +	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_LCDC); + +	gd->fb_base = AT91SAM9263_SRAM0_BASE; +} +#endif + +int board_init(void) +{ +	/* Enable Ctrlc */ +	console_init_f(); + +	/* arch number of AT91SAM9263EK-Board */ +	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK; +	/* adress of boot parameters */ +	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +	at91sam9263ek_serial_hw_init(); +#ifdef CONFIG_CMD_NAND +	at91sam9263ek_nand_hw_init(); +#endif +#ifdef CONFIG_HAS_DATAFLASH +	at91sam9263ek_spi_hw_init(); +#endif +#ifdef CONFIG_MACB +	at91sam9263ek_macb_hw_init(); +#endif +#ifdef CONFIG_USB_OHCI_NEW +	at91sam9263ek_uhp_hw_init(); +#endif +#ifdef CONFIG_LCD +	at91sam9263ek_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_MACB +	/* +	 * Initialize ethernet HW addr prior to starting Linux, +	 * needed for nfsroot +	 */ +	eth_init(gd->bd); +#endif +} +#endif |