2016-02-11 13:13:38 +00:00
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/*
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* Copyright (C) 2015 Marek Vasut <marex@denx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/at91_common.h>
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#include <asm/arch/at91_pmc.h>
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#include <asm/arch/at91_rstc.h>
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#include <asm/arch/atmel_mpddrc.h>
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#include <asm/arch/atmel_usba_udc.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/sama5d3_smc.h>
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#include <asm/arch/sama5d4.h>
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#include <atmel_hlcdc.h>
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#include <atmel_mci.h>
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#include <lcd.h>
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#include <mmc.h>
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#include <net.h>
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#include <netdev.h>
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#include <spi.h>
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2017-05-02 18:27:50 +00:00
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#include <spi_flash.h>
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2017-05-02 18:27:47 +00:00
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#include <spl.h>
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2016-02-11 13:13:38 +00:00
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#include <version.h>
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DECLARE_GLOBAL_DATA_PTR;
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2017-05-02 18:27:50 +00:00
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static u8 boot_mode_sf;
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2016-02-11 13:13:38 +00:00
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#ifdef CONFIG_ATMEL_SPI
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int spi_cs_is_valid(unsigned int bus, unsigned int cs)
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{
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return bus == 0 && cs == 0;
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}
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void spi_cs_activate(struct spi_slave *slave)
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{
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at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
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}
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void spi_cs_deactivate(struct spi_slave *slave)
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{
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at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
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}
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static void ma5d4evk_spi0_hw_init(void)
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{
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0); /* SPI0_MISO */
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at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0); /* SPI0_MOSI */
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at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0); /* SPI0_SPCK */
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2016-02-11 13:13:38 +00:00
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at91_set_pio_output(AT91_PIO_PORTC, 3, 1); /* SPI0_CS0 */
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/* Enable clock */
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at91_periph_clk_enable(ATMEL_ID_SPI0);
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}
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#endif /* CONFIG_ATMEL_SPI */
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#ifdef CONFIG_CMD_USB
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static void ma5d4evk_usb_hw_init(void)
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{
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at91_set_pio_output(AT91_PIO_PORTE, 11, 0);
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at91_set_pio_output(AT91_PIO_PORTE, 14, 0);
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}
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#endif
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#ifdef CONFIG_LCD
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vidinfo_t panel_info = {
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.vl_col = 800,
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.vl_row = 480,
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.vl_clk = 33500000,
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.vl_bpix = LCD_BPP,
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.vl_tft = 1,
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.vl_hsync_len = 10,
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.vl_left_margin = 89,
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.vl_right_margin = 164,
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.vl_vsync_len = 10,
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.vl_upper_margin = 23,
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.vl_lower_margin = 10,
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.mmio = ATMEL_BASE_LCDC,
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};
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/* No power up/down pin for the LCD pannel */
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void lcd_enable(void) { /* Empty! */ }
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void lcd_disable(void) { /* Empty! */ }
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unsigned int has_lcdc(void)
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{
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return 1;
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}
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static void ma5d4evk_lcd_hw_init(void)
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{
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 24, 1); /* LCDPWM */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 29, 1); /* LCDDEN */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 0, 0); /* LCDD0 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 1, 0); /* LCDD1 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 8, 0); /* LCDD9 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 9, 0); /* LCDD8 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 16, 0); /* LCDD16 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 17, 0); /* LCDD17 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 18, 0); /* LCDD18 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 19, 0); /* LCDD19 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 20, 0); /* LCDD20 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 21, 0); /* LCDD21 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 22, 0); /* LCDD22 */
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at91_pio3_set_a_periph(AT91_PIO_PORTA, 23, 0); /* LCDD23 */
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2016-02-11 13:13:38 +00:00
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/* Enable clock */
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at91_periph_clk_enable(ATMEL_ID_LCDC);
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}
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#endif /* CONFIG_LCD */
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#ifdef CONFIG_GENERIC_ATMEL_MCI
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/* On-SoM eMMC */
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void ma5d4evk_mci0_hw_init(void)
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{
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 5, 1); /* MCI1 CDA */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 6, 1); /* MCI1 DA0 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 7, 1); /* MCI1 DA1 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 8, 1); /* MCI1 DA2 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 9, 1); /* MCI1 DA3 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 10, 1); /* MCI1 DA4 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 11, 1); /* MCI1 DA5 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 12, 1); /* MCI1 DA6 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 13, 1); /* MCI1 DA7 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 4, 0); /* MCI1 CLK */
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2016-02-11 13:13:38 +00:00
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/*
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* As the mci io internal pull down is too strong, so if the io needs
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* external pull up, the pull up resistor will be very small, if so
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* the power consumption will increase, so disable the internal pull
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* down to save the power.
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*/
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 5, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 6, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 7, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 8, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 9, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 10, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 11, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 12, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 13, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 4, 0);
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2016-02-11 13:13:38 +00:00
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/* Enable clock */
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at91_periph_clk_enable(ATMEL_ID_MCI0);
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}
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/* On-board MicroSD slot */
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void ma5d4evk_mci1_hw_init(void)
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{
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_c_periph(AT91_PIO_PORTE, 19, 1); /* MCI1 CDA */
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at91_pio3_set_c_periph(AT91_PIO_PORTE, 20, 1); /* MCI1 DA0 */
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at91_pio3_set_c_periph(AT91_PIO_PORTE, 21, 1); /* MCI1 DA1 */
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at91_pio3_set_c_periph(AT91_PIO_PORTE, 22, 1); /* MCI1 DA2 */
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at91_pio3_set_c_periph(AT91_PIO_PORTE, 23, 1); /* MCI1 DA3 */
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at91_pio3_set_c_periph(AT91_PIO_PORTE, 18, 0); /* MCI1 CLK */
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2016-02-11 13:13:38 +00:00
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/*
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* As the mci io internal pull down is too strong, so if the io needs
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* external pull up, the pull up resistor will be very small, if so
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* the power consumption will increase, so disable the internal pull
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* down to save the power.
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*/
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 18, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 19, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 20, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 21, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 22, 0);
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 23, 0);
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2016-02-11 13:13:38 +00:00
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/* Deal with WP pin on the microSD slot. */
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at91_set_pio_output(AT91_PIO_PORTE, 16, 0);
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 16, 1);
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2016-02-11 13:13:38 +00:00
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/* Enable clock */
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at91_periph_clk_enable(ATMEL_ID_MCI1);
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}
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int board_mmc_init(bd_t *bis)
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{
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int ret;
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2017-05-02 18:27:50 +00:00
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void *mci0 = (void *)ATMEL_BASE_MCI0;
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void *mci1 = (void *)ATMEL_BASE_MCI1;
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2016-02-11 13:13:38 +00:00
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/* De-assert reset on On-SoM eMMC */
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at91_set_pio_output(AT91_PIO_PORTE, 15, 1);
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTE, 15, 0);
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2016-02-11 13:13:38 +00:00
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2017-05-02 18:27:50 +00:00
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ret = atmel_mci_init(boot_mode_sf ? mci0 : mci1);
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2016-02-11 13:13:38 +00:00
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if (ret) /* eMMC init failed, skip it. */
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at91_set_pio_output(AT91_PIO_PORTE, 15, 0);
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/* Enable the power supply to On-board MicroSD */
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at91_set_pio_output(AT91_PIO_PORTE, 17, 0);
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2017-05-02 18:27:50 +00:00
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ret = atmel_mci_init(boot_mode_sf ? mci1 : mci0);
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2016-02-11 13:13:38 +00:00
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if (ret) /* uSD init failed, power it down. */
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at91_set_pio_output(AT91_PIO_PORTE, 17, 1);
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return 0;
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}
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#endif /* CONFIG_GENERIC_ATMEL_MCI */
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#ifdef CONFIG_MACB
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void ma5d4evk_macb0_hw_init(void)
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{
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ETXCK_EREFCK */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* ERXDV */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ERX0 */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ERX1 */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ERXER */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ETXEN */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX0 */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ETX1 */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* EMDIO */
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at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* EMDC */
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2016-02-11 13:13:38 +00:00
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/* Enable clock */
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at91_periph_clk_enable(ATMEL_ID_GMAC0);
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}
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#endif
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static void ma5d4evk_serial_hw_init(void)
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{
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/* USART0 */
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_a_periph(AT91_PIO_PORTD, 13, 1); /* TXD */
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at91_pio3_set_a_periph(AT91_PIO_PORTD, 12, 0); /* RXD */
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at91_pio3_set_a_periph(AT91_PIO_PORTD, 11, 0); /* RTS */
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at91_pio3_set_a_periph(AT91_PIO_PORTD, 10, 0); /* CTS */
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2016-02-11 13:13:38 +00:00
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at91_periph_clk_enable(ATMEL_ID_USART0);
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/* USART1 */
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2017-03-23 04:44:36 +00:00
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at91_pio3_set_a_periph(AT91_PIO_PORTD, 17, 1); /* TXD */
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at91_pio3_set_a_periph(AT91_PIO_PORTD, 16, 0); /* RXD */
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at91_pio3_set_a_periph(AT91_PIO_PORTD, 15, 0); /* RTS */
|
|
|
|
at91_pio3_set_a_periph(AT91_PIO_PORTD, 14, 0); /* CTS */
|
2016-02-11 13:13:38 +00:00
|
|
|
at91_periph_clk_enable(ATMEL_ID_USART1);
|
|
|
|
}
|
|
|
|
|
|
|
|
int board_early_init_f(void)
|
|
|
|
{
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_PIOA);
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_PIOB);
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_PIOC);
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_PIOD);
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_PIOE);
|
|
|
|
|
|
|
|
/* Configure LEDs as OFF */
|
|
|
|
at91_set_pio_output(AT91_PIO_PORTD, 28, 0);
|
|
|
|
at91_set_pio_output(AT91_PIO_PORTD, 29, 0);
|
|
|
|
at91_set_pio_output(AT91_PIO_PORTD, 30, 0);
|
|
|
|
|
|
|
|
ma5d4evk_serial_hw_init();
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2017-05-02 18:27:50 +00:00
|
|
|
static void board_identify(void)
|
|
|
|
{
|
|
|
|
struct spi_flash *sf;
|
|
|
|
sf = spi_flash_probe(CONFIG_SF_DEFAULT_BUS, CONFIG_SF_DEFAULT_CS,
|
|
|
|
CONFIG_SF_DEFAULT_SPEED, CONFIG_SF_DEFAULT_MODE);
|
|
|
|
boot_mode_sf = (sf != NULL);
|
|
|
|
}
|
|
|
|
|
2016-02-11 13:13:38 +00:00
|
|
|
int board_init(void)
|
|
|
|
{
|
|
|
|
/* adress of boot parameters */
|
|
|
|
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
|
|
|
|
|
|
|
|
#ifdef CONFIG_ATMEL_SPI
|
|
|
|
ma5d4evk_spi0_hw_init();
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_GENERIC_ATMEL_MCI
|
|
|
|
ma5d4evk_mci0_hw_init();
|
|
|
|
ma5d4evk_mci1_hw_init();
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACB
|
|
|
|
ma5d4evk_macb0_hw_init();
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_LCD
|
|
|
|
ma5d4evk_lcd_hw_init();
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_CMD_USB
|
|
|
|
ma5d4evk_usb_hw_init();
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_USB_GADGET_ATMEL_USBA
|
|
|
|
at91_udp_hw_init();
|
|
|
|
#endif
|
|
|
|
|
2017-05-02 18:27:50 +00:00
|
|
|
board_identify();
|
|
|
|
|
2017-05-02 18:27:42 +00:00
|
|
|
/* Reset CAN controllers */
|
|
|
|
at91_set_pio_output(AT91_PIO_PORTB, 21, 0);
|
|
|
|
udelay(100);
|
|
|
|
at91_set_pio_output(AT91_PIO_PORTB, 21, 1);
|
|
|
|
at91_pio3_set_pio_pulldown(AT91_PIO_PORTB, 21, 0);
|
|
|
|
|
2016-02-11 13:13:38 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2017-05-02 18:27:50 +00:00
|
|
|
int board_late_init(void)
|
|
|
|
{
|
|
|
|
setenv("bootmode", boot_mode_sf ? "sf" : "emmc");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2016-02-11 13:13:38 +00:00
|
|
|
int dram_init(void)
|
|
|
|
{
|
|
|
|
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
|
|
|
|
CONFIG_SYS_SDRAM_SIZE);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int board_eth_init(bd_t *bis)
|
|
|
|
{
|
|
|
|
int rc = 0;
|
|
|
|
|
|
|
|
#ifdef CONFIG_MACB
|
|
|
|
rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_USB_GADGET_ATMEL_USBA
|
|
|
|
usba_udc_probe(&pdata);
|
|
|
|
#ifdef CONFIG_USB_ETH_RNDIS
|
|
|
|
usb_eth_initialize(bis);
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* SPL */
|
|
|
|
#ifdef CONFIG_SPL_BUILD
|
|
|
|
void spl_board_init(void)
|
|
|
|
{
|
2017-05-02 18:27:44 +00:00
|
|
|
#ifdef CONFIG_ATMEL_SPI
|
2016-02-11 13:13:38 +00:00
|
|
|
ma5d4evk_spi0_hw_init();
|
2017-05-02 18:27:44 +00:00
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_GENERIC_ATMEL_MCI
|
|
|
|
ma5d4evk_mci0_hw_init();
|
|
|
|
ma5d4evk_mci1_hw_init();
|
|
|
|
#endif
|
2017-05-02 18:27:50 +00:00
|
|
|
board_identify();
|
2016-02-11 13:13:38 +00:00
|
|
|
}
|
|
|
|
|
2017-05-02 18:27:47 +00:00
|
|
|
void board_boot_order(u32 *spl_boot_list)
|
|
|
|
{
|
|
|
|
spl_boot_list[0] = spl_boot_device();
|
|
|
|
|
|
|
|
switch (spl_boot_list[0]) {
|
|
|
|
case BOOT_DEVICE_MMC1:
|
|
|
|
case BOOT_DEVICE_MMC2:
|
|
|
|
spl_boot_list[0] = BOOT_DEVICE_MMC1;
|
|
|
|
break;
|
|
|
|
case BOOT_DEVICE_SPI:
|
|
|
|
break;
|
|
|
|
case BOOT_DEVICE_USB:
|
|
|
|
spl_boot_list[0] = BOOT_DEVICE_MMC2;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-02-11 13:13:38 +00:00
|
|
|
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
|
|
|
|
{
|
|
|
|
ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
|
|
|
|
|
|
|
|
ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
|
|
|
|
ATMEL_MPDDRC_CR_NR_ROW_13 |
|
|
|
|
ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
|
|
|
|
ATMEL_MPDDRC_CR_NB_8BANKS |
|
|
|
|
ATMEL_MPDDRC_CR_NDQS_DISABLED |
|
|
|
|
ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
|
|
|
|
|
|
|
|
ddr2->rtr = 0x2b0;
|
|
|
|
|
|
|
|
ddr2->tpr0 = (8 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
|
|
|
|
3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
|
|
|
|
3 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
|
|
|
|
10 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
|
|
|
|
3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
|
|
|
|
2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
|
|
|
|
2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
|
|
|
|
2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
|
|
|
|
|
|
|
|
ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET |
|
|
|
|
200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
|
|
|
|
25 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
|
|
|
|
23 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
|
|
|
|
|
|
|
|
ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET |
|
|
|
|
2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
|
|
|
|
3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
|
|
|
|
2 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
|
|
|
|
8 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
|
|
|
|
}
|
|
|
|
|
|
|
|
void mem_init(void)
|
|
|
|
{
|
|
|
|
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
|
|
|
|
struct atmel_mpddrc_config ddr2;
|
|
|
|
|
|
|
|
ddr2_conf(&ddr2);
|
|
|
|
|
|
|
|
/* enable MPDDR clock */
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_MPDDRC);
|
|
|
|
writel(AT91_PMC_DDR, &pmc->scer);
|
|
|
|
|
|
|
|
/* DDRAM2 Controller initialize */
|
|
|
|
ddr2_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddr2);
|
|
|
|
}
|
|
|
|
|
|
|
|
void at91_pmc_init(void)
|
|
|
|
{
|
|
|
|
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
|
|
|
|
u32 tmp;
|
|
|
|
|
|
|
|
tmp = AT91_PMC_PLLAR_29 |
|
|
|
|
AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
|
|
|
|
AT91_PMC_PLLXR_MUL(87) |
|
|
|
|
AT91_PMC_PLLXR_DIV(1);
|
|
|
|
at91_plla_init(tmp);
|
|
|
|
|
|
|
|
writel(0x0 << 8, &pmc->pllicpr);
|
|
|
|
|
|
|
|
tmp = AT91_PMC_MCKR_H32MXDIV |
|
|
|
|
AT91_PMC_MCKR_PLLADIV_2 |
|
|
|
|
AT91_PMC_MCKR_MDIV_3 |
|
|
|
|
AT91_PMC_MCKR_CSS_PLLA;
|
|
|
|
at91_mck_init(tmp);
|
|
|
|
}
|
|
|
|
#endif
|