Skip to content
Snippets Groups Projects
at91sam9263ek.c 9.57 KiB
Newer Older
  • Learn to ignore specific revisions
  • Stelian Pop's avatar
    Stelian Pop committed
    /*
     * (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>
    
    Stelian Pop's avatar
    Stelian Pop committed
    #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>
    
    Stelian Pop's avatar
    Stelian Pop committed
    #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
    #include <net.h>
    #endif
    
    Stelian Pop's avatar
    Stelian Pop committed
    
    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 << AT91SAM9263_ID_US0);
    
    Stelian Pop's avatar
    Stelian Pop committed
    #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 << AT91SAM9263_ID_US1);
    
    Stelian Pop's avatar
    Stelian Pop committed
    #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 << AT91SAM9263_ID_US2);
    
    Stelian Pop's avatar
    Stelian Pop committed
    #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_(1) | AT91_SMC_NCS_WRSETUP_(0) |
    		       AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
    
    Stelian Pop's avatar
    Stelian Pop committed
    	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 CONFIG_SYS_NAND_DBW_16
    
    Stelian Pop's avatar
    Stelian Pop committed
    		       AT91_SMC_DBW_16 |
    
    #else /* CONFIG_SYS_NAND_DBW_8 */
    
    Stelian Pop's avatar
    Stelian Pop committed
    		       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)) |
    
    Stelian Pop's avatar
    Stelian Pop committed
    				     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));
    
    
    	/* Restore NRST value */
    	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
    				     (AT91_RSTC_ERSTL & (0x0 << 8)) |
    				     AT91_RSTC_URSTEN);
    
    
    Stelian Pop's avatar
    Stelian Pop committed
    	/* 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;
    }
    
    
    #ifdef CONFIG_LCD_INFO
    #include <nand.h>
    #include <version.h>
    
    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 ("(C) 2008 ATMEL Corp\n");
    	lcd_printf ("at91support@atmel.com\n");
    	lcd_printf ("%s CPU at %s MHz\n",
    		AT91_CPU_NAME,
    
    		strmhz(temp, AT91_CPU_CLOCK));
    
    
    	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 */
    
    Stelian Pop's avatar
    Stelian Pop committed
    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();
    
    Stelian Pop's avatar
    Stelian Pop committed
    #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
    
    
    int board_eth_init(bd_t *bis)
    {
    	int rc = 0;
    #ifdef CONFIG_MACB
    
    	rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x00);