mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-10-31 12:08:19 +00:00 
			
		
		
		
	These functions relate to memory init so move them into the init header. Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			302 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			302 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
 | |
| /*
 | |
|  * (C) Copyright 2007-2008
 | |
|  * Stelian Pop <stelian@popies.net>
 | |
|  * Lead Tech Design <www.leadtechdesign.com>
 | |
|  */
 | |
| 
 | |
| #include <common.h>
 | |
| #include <debug_uart.h>
 | |
| #include <init.h>
 | |
| #include <net.h>
 | |
| #include <vsprintf.h>
 | |
| #include <asm/io.h>
 | |
| #include <asm/arch/clk.h>
 | |
| #include <asm/arch/at91sam9g45_matrix.h>
 | |
| #include <asm/arch/at91sam9_smc.h>
 | |
| #include <asm/arch/at91_common.h>
 | |
| #include <asm/arch/gpio.h>
 | |
| #include <asm/arch/clk.h>
 | |
| #include <lcd.h>
 | |
| #include <linux/mtd/rawnand.h>
 | |
| #include <atmel_lcdc.h>
 | |
| #include <asm/mach-types.h>
 | |
| 
 | |
| DECLARE_GLOBAL_DATA_PTR;
 | |
| 
 | |
| /* ------------------------------------------------------------------------- */
 | |
| /*
 | |
|  * Miscelaneous platform dependent initialisations
 | |
|  */
 | |
| 
 | |
| #ifdef CONFIG_CMD_NAND
 | |
| void at91sam9m10g45ek_nand_hw_init(void)
 | |
| {
 | |
| 	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
 | |
| 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
 | |
| 	unsigned long csa;
 | |
| 
 | |
| 	/* Enable CS3 */
 | |
| 	csa = readl(&matrix->ebicsa);
 | |
| 	csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA;
 | |
| 	writel(csa, &matrix->ebicsa);
 | |
| 
 | |
| 	/* Configure SMC CS3 for NAND/SmartMedia */
 | |
| 	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
 | |
| 	       AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
 | |
| 	       &smc->cs[3].setup);
 | |
| 	writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) |
 | |
| 	       AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2),
 | |
| 	       &smc->cs[3].pulse);
 | |
| 	writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4),
 | |
| 	       &smc->cs[3].cycle);
 | |
| 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
 | |
| 	       AT91_SMC_MODE_EXNW_DISABLE |
 | |
| #ifdef CONFIG_SYS_NAND_DBW_16
 | |
| 	       AT91_SMC_MODE_DBW_16 |
 | |
| #else /* CONFIG_SYS_NAND_DBW_8 */
 | |
| 	       AT91_SMC_MODE_DBW_8 |
 | |
| #endif
 | |
| 	       AT91_SMC_MODE_TDF_CYCLE(3),
 | |
| 	       &smc->cs[3].mode);
 | |
| 
 | |
| 	at91_periph_clk_enable(ATMEL_ID_PIOC);
 | |
| 
 | |
| 	/* 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
 | |
| 
 | |
| #if defined(CONFIG_SPL_BUILD)
 | |
| #include <spl.h>
 | |
| #include <nand.h>
 | |
| 
 | |
| void at91_spl_board_init(void)
 | |
| {
 | |
| 	/*
 | |
| 	 * On the at91sam9m10g45ek board, the chip wm9711 stays in the
 | |
| 	 * test mode, so it needs do some action to exit test mode.
 | |
| 	 */
 | |
| 	at91_periph_clk_enable(ATMEL_ID_PIODE);
 | |
| 	at91_set_gpio_output(AT91_PIN_PD7, 0);
 | |
| 	at91_set_gpio_output(AT91_PIN_PD8, 0);
 | |
| 	at91_set_pio_pullup(AT91_PIO_PORTD, 7, 1);
 | |
| 	at91_set_pio_pullup(AT91_PIO_PORTD, 8, 1);
 | |
| 
 | |
| #ifdef CONFIG_SD_BOOT
 | |
| 	at91_mci_hw_init();
 | |
| #elif CONFIG_NAND_BOOT
 | |
| 	at91sam9m10g45ek_nand_hw_init();
 | |
| #endif
 | |
| }
 | |
| 
 | |
| #include <asm/arch/atmel_mpddrc.h>
 | |
| static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 | |
| {
 | |
| 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 | |
| 
 | |
| 	ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
 | |
| 		    ATMEL_MPDDRC_CR_NR_ROW_14 |
 | |
| 		    ATMEL_MPDDRC_CR_DQMS_SHARED |
 | |
| 		    ATMEL_MPDDRC_CR_CAS_DDR_CAS3);
 | |
| 
 | |
| 	ddr2->rtr = 0x24b;
 | |
| 
 | |
| 	ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */
 | |
| 		      2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */
 | |
| 		      2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */
 | |
| 		      8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 60 ns */
 | |
| 		      2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */
 | |
| 		      1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/
 | |
| 		      1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */
 | |
| 		      2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */
 | |
| 
 | |
| 	ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */
 | |
| 		      200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
 | |
| 		      16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
 | |
| 		      14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
 | |
| 
 | |
| 	ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
 | |
| 		      0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
 | |
| 		      7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
 | |
| 		      2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
 | |
| }
 | |
| 
 | |
| void mem_init(void)
 | |
| {
 | |
| 	struct atmel_mpddrc_config ddr2;
 | |
| 
 | |
| 	ddr2_conf(&ddr2);
 | |
| 
 | |
| 	at91_system_clk_enable(AT91_PMC_DDR);
 | |
| 
 | |
| 	/* DDRAM2 Controller initialize */
 | |
| 	ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2);
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #ifdef CONFIG_CMD_USB
 | |
| static void at91sam9m10g45ek_usb_hw_init(void)
 | |
| {
 | |
| 	at91_periph_clk_enable(ATMEL_ID_PIODE);
 | |
| 
 | |
| 	at91_set_gpio_output(AT91_PIN_PD1, 0);
 | |
| 	at91_set_gpio_output(AT91_PIN_PD3, 0);
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #ifdef CONFIG_LCD
 | |
| 
 | |
| vidinfo_t panel_info = {
 | |
| 	.vl_col =		480,
 | |
| 	.vl_row =		272,
 | |
| 	.vl_clk =		9000000,
 | |
| 	.vl_sync =		ATMEL_LCDC_INVLINE_NORMAL |
 | |
| 				ATMEL_LCDC_INVFRAME_NORMAL,
 | |
| 	.vl_bpix =		3,
 | |
| 	.vl_tft =		1,
 | |
| 	.vl_hsync_len =		45,
 | |
| 	.vl_left_margin =	1,
 | |
| 	.vl_right_margin =	1,
 | |
| 	.vl_vsync_len =		1,
 | |
| 	.vl_upper_margin =	40,
 | |
| 	.vl_lower_margin =	1,
 | |
| 	.mmio =			ATMEL_BASE_LCDC,
 | |
| };
 | |
| 
 | |
| 
 | |
| void lcd_enable(void)
 | |
| {
 | |
| 	at91_set_A_periph(AT91_PIN_PE6, 1);	/* power up */
 | |
| }
 | |
| 
 | |
| void lcd_disable(void)
 | |
| {
 | |
| 	at91_set_A_periph(AT91_PIN_PE6, 0);	/* power down */
 | |
| }
 | |
| 
 | |
| static void at91sam9m10g45ek_lcd_hw_init(void)
 | |
| {
 | |
| 	at91_set_A_periph(AT91_PIN_PE0, 0);	/* LCDDPWR */
 | |
| 	at91_set_A_periph(AT91_PIN_PE2, 0);	/* LCDCC */
 | |
| 	at91_set_A_periph(AT91_PIN_PE3, 0);	/* LCDVSYNC */
 | |
| 	at91_set_A_periph(AT91_PIN_PE4, 0);	/* LCDHSYNC */
 | |
| 	at91_set_A_periph(AT91_PIN_PE5, 0);	/* LCDDOTCK */
 | |
| 
 | |
| 	at91_set_A_periph(AT91_PIN_PE7, 0);	/* LCDD0 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE8, 0);	/* LCDD1 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE9, 0);	/* LCDD2 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE10, 0);	/* LCDD3 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE11, 0);	/* LCDD4 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE12, 0);	/* LCDD5 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE13, 0);	/* LCDD6 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE14, 0);	/* LCDD7 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE15, 0);	/* LCDD8 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE16, 0);	/* LCDD9 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE17, 0);	/* LCDD10 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE18, 0);	/* LCDD11 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE19, 0);	/* LCDD12 */
 | |
| 	at91_set_B_periph(AT91_PIN_PE20, 0);	/* LCDD13 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE21, 0);	/* LCDD14 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE22, 0);	/* LCDD15 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE23, 0);	/* LCDD16 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE24, 0);	/* LCDD17 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE25, 0);	/* LCDD18 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE26, 0);	/* LCDD19 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE27, 0);	/* LCDD20 */
 | |
| 	at91_set_B_periph(AT91_PIN_PE28, 0);	/* LCDD21 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE29, 0);	/* LCDD22 */
 | |
| 	at91_set_A_periph(AT91_PIN_PE30, 0);	/* LCDD23 */
 | |
| 
 | |
| 	at91_periph_clk_enable(ATMEL_ID_LCDC);
 | |
| 
 | |
| 	gd->fb_base = CONFIG_AT91SAM9G45_LCD_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",
 | |
| 		ATMEL_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 += get_nand_dev_by_index(i)->size;
 | |
| 	lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
 | |
| 		dram_size >> 20,
 | |
| 		nand_size >> 20 );
 | |
| }
 | |
| #endif /* CONFIG_LCD_INFO */
 | |
| #endif
 | |
| 
 | |
| #ifdef CONFIG_DEBUG_UART_BOARD_INIT
 | |
| void board_debug_uart_init(void)
 | |
| {
 | |
| 	at91_seriald_hw_init();
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #ifdef CONFIG_BOARD_EARLY_INIT_F
 | |
| int board_early_init_f(void)
 | |
| {
 | |
| #ifdef CONFIG_DEBUG_UART
 | |
| 	debug_uart_init();
 | |
| #endif
 | |
| 	return 0;
 | |
| }
 | |
| #endif
 | |
| 
 | |
| int board_init(void)
 | |
| {
 | |
| 	/* arch number of AT91SAM9M10G45EK-Board */
 | |
| #ifdef CONFIG_AT91SAM9M10G45EK
 | |
| 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9M10G45EK;
 | |
| #elif defined CONFIG_AT91SAM9G45EKES
 | |
| 	gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9G45EKES;
 | |
| #endif
 | |
| 
 | |
| 	/* adress of boot parameters */
 | |
| 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 | |
| 
 | |
| #ifdef CONFIG_CMD_NAND
 | |
| 	at91sam9m10g45ek_nand_hw_init();
 | |
| #endif
 | |
| #ifdef CONFIG_CMD_USB
 | |
| 	at91sam9m10g45ek_usb_hw_init();
 | |
| #endif
 | |
| #ifdef CONFIG_LCD
 | |
| 	at91sam9m10g45ek_lcd_hw_init();
 | |
| #endif
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int dram_init(void)
 | |
| {
 | |
| 	gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
 | |
| 				    CONFIG_SYS_SDRAM_SIZE);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| #ifdef CONFIG_RESET_PHY_R
 | |
| void reset_phy(void)
 | |
| {
 | |
| }
 | |
| #endif
 |