diff options
Diffstat (limited to 'board/ronetix/pm9263/pm9263.c')
| -rw-r--r-- | board/ronetix/pm9263/pm9263.c | 413 | 
1 files changed, 413 insertions, 0 deletions
| diff --git a/board/ronetix/pm9263/pm9263.c b/board/ronetix/pm9263/pm9263.c new file mode 100644 index 000000000..d24ef9a76 --- /dev/null +++ b/board/ronetix/pm9263/pm9263.c @@ -0,0 +1,413 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian.pop@leadtechdesign.com> + * Lead Tech Design <www.leadtechdesign.com> + * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at) + * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.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_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> +#include <asm/arch/io.h> +#include <asm/arch/hardware.h> +#include <lcd.h> +#include <atmel_lcdc.h> +#include <dataflash.h> +#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) +#include <net.h> +#endif +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +#ifdef CONFIG_CMD_NAND +static void pm9263_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_(1) | +		       AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(1)); +	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 +		       AT91_SMC_DBW_16 | +#else /* CONFIG_SYS_NAND_DBW_8 */ +		       AT91_SMC_DBW_8 | +#endif +		       AT91_SMC_TDF_(2)); + +	/* Configure RDY/BSY */ +	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); + +	/* Enable NandFlash */ +	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); +} +#endif + +#ifdef CONFIG_MACB +static void pm9263_macb_hw_init(void) +{ +	/* +	 * PB27 enables the 50MHz oscillator for Ethernet PHY +	 * 1 - enable +	 * 0 - disable +	 */ +	at91_set_gpio_output(AT91_PIN_PB27, 1); +	at91_set_gpio_value(AT91_PIN_PB27, 1); /* 1- enable, 0 - disable */ + +	/* 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); + + +	/* 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_macb_hw_init(); +} +#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_PA22, 1); /* power up */ +} + +void lcd_disable(void) +{ +	at91_set_gpio_value(AT91_PIN_PA22, 0); /* power down */ +} + +#ifdef CONFIG_LCD_IN_PSRAM + +#define PSRAM_CRE_PIN	AT91_PIN_PB29 +#define PSRAM_CTRL_REG	(PHYS_PSRAM + PHYS_PSRAM_SIZE - 2) + +/* Initialize the PSRAM memory */ +static int pm9263_lcd_hw_psram_init(void) +{ +	volatile uint16_t x; + +	/* setup PB29 as output */ +	at91_set_gpio_output(PSRAM_CRE_PIN, 1); + +	at91_set_gpio_value(PSRAM_CRE_PIN, 0);	/* set PSRAM_CRE_PIN to '0' */ + +	/* PSRAM: write BCR */ +	x = readw(PSRAM_CTRL_REG); +	x = readw(PSRAM_CTRL_REG); +	writew(1, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */ +	writew(0x9d4f, PSRAM_CTRL_REG);	/* write the BCR */ + +	/* write RCR of the PSRAM */ +	x = readw(PSRAM_CTRL_REG); +	x = readw(PSRAM_CTRL_REG); +	writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */ +	/* set RCR; 0x10-async mode,0x90-page mode */ +	writew(0x90, PSRAM_CTRL_REG); + +	/* +	 * test to see if the PSRAM is MT45W2M16A or MT45W2M16B +	 * MT45W2M16B - CRE must be 0 +	 * MT45W2M16A - CRE must be 1 +	 */ +	writew(0x1234, PHYS_PSRAM); +	writew(0x5678, PHYS_PSRAM + 2); + +	/* test if the chip is MT45W2M16B */ +	if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) { +		/* try with CRE=1 (MT45W2M16A) */ +		at91_set_gpio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */ + +		/* write RCR of the PSRAM */ +		x = readw(PSRAM_CTRL_REG); +		x = readw(PSRAM_CTRL_REG); +		writew(0, PSRAM_CTRL_REG);	/* 0 - RCR,1 - BCR */ +		/* set RCR;0x10-async mode,0x90-page mode */ +		writew(0x90, PSRAM_CTRL_REG); + + +		writew(0x1234, PHYS_PSRAM); +		writew(0x5678, PHYS_PSRAM+2); +		if ((readw(PHYS_PSRAM) != 0x1234) +		   || (readw(PHYS_PSRAM + 2) != 0x5678)) +			return 1; + +	} + +	/* Bus matrix */ +	at91_sys_write( AT91_MATRIX_PRAS5, AT91_MATRIX_M5PR ); +	at91_sys_write( AT91_MATRIX_SCFG5, AT91_MATRIX_ARBT_FIXED_PRIORITY | +				(AT91_MATRIX_FIXED_DEFMSTR & (5 << 18)) | +				AT91_MATRIX_DEFMSTR_TYPE_FIXED | +				(AT91_MATRIX_SLOT_CYCLE & (0x80 << 0))); + +	return 0; +} +#endif + +static void pm9263_lcd_hw_init(void) +{ +	at91_set_A_periph(AT91_PIN_PC0, 0);	/* LCDVSYNC */ +	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); + +	/* Power Control */ +	at91_set_gpio_output(AT91_PIN_PA22, 1); +	at91_set_gpio_value(AT91_PIN_PA22, 0);	/* power down */ + +#ifdef CONFIG_LCD_IN_PSRAM +	/* initialize te PSRAM */ +	int stat = pm9263_lcd_hw_psram_init(); + +	gd->fb_base = (stat == 0) ? PHYS_PSRAM : AT91SAM9263_SRAM0_BASE; +#else +	gd->fb_base = AT91SAM9263_SRAM0_BASE; +#endif + +} + +#ifdef CONFIG_LCD_INFO +#include <nand.h> +#include <version.h> + +extern flash_info_t flash_info[]; + +void lcd_show_board_info(void) +{ +	ulong dram_size, nand_size, flash_size, dataflash_size; +	int i; +	char temp[32]; + +	lcd_printf ("%s\n", U_BOOT_VERSION); +	lcd_printf ("(C) 2009 Ronetix GmbH\n"); +	lcd_printf ("support@ronetix.at\n"); +	lcd_printf ("%s CPU at %s MHz", +		AT91_CPU_NAME, +		strmhz(temp, get_cpu_clk_rate())); + +	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; + +	flash_size = 0; +	for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) +		flash_size += flash_info[i].size; + +	dataflash_size = 0; +	for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++) +		dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number * +				dataflash_info[i].Device.pages_size; + +	lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n" +			"4 MB PSRAM, %ld MB DataFlash\n", +		dram_size >> 20, +		nand_size >> 20, +		flash_size >> 20, +		dataflash_size >> 20); +} +#endif /* CONFIG_LCD_INFO */ + +#endif /* CONFIG_LCD */ + +int board_init(void) +{ +	/* Enable Ctrlc */ +	console_init_f(); + +	at91_sys_write(AT91_PMC_PCER, +					(1 << AT91SAM9263_ID_PIOA) | +					(1 << AT91SAM9263_ID_PIOCDE) | +					(1 << AT91SAM9263_ID_PIOB)); + +	/* arch number of AT91SAM9263EK-Board */ +	gd->bd->bi_arch_number = MACH_TYPE_PM9263; + +	/* adress of boot parameters */ +	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +	at91_serial_hw_init(); +#ifdef CONFIG_CMD_NAND +	pm9263_nand_hw_init(); +#endif +#ifdef CONFIG_HAS_DATAFLASH +	at91_spi0_hw_init(1 << 0); +#endif +#ifdef CONFIG_MACB +	pm9263_macb_hw_init(); +#endif +#ifdef CONFIG_USB_OHCI_NEW +	at91_uhp_hw_init(); +#endif +#ifdef CONFIG_LCD +	pm9263_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 + +int board_eth_init(bd_t *bis) +{ +	int rc = 0; +#ifdef CONFIG_MACB +	rc = macb_eth_initialize(0, (void *)AT91SAM9263_BASE_EMAC, 0x01); +#endif +	return rc; +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard (void) +{ +	char *ss; +	char buf[32]; + +	printf ("Board : Ronetix PM9263\n"); +	printf ("Crystal frequency: %8s MHz\n", +					strmhz(buf, get_main_clk_rate())); +	printf ("CPU clock        : %8s MHz\n", +					strmhz(buf, get_cpu_clk_rate())); +	printf ("Master clock     : %8s MHz\n", +					strmhz(buf, get_mck_clk_rate())); + +	switch (gd->fb_base) { +	case PHYS_PSRAM: +		ss = "(PSRAM)"; +		break; + +	case AT91SAM9263_SRAM0_BASE: +		ss = "(Internal SRAM)"; +		break; + +	default: +		ss = ""; +		break; +	} +	printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss ); + +	printf ("\n"); +	return 0; +} +#endif |