mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
2dc63f7367
The intention of the removal is the preparation to introduce the new AT91 PIO pinctrl driver. Use the union to make the PIO3 and PIO2's registers be together and make their offset aligned. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Reviewed-by: Simon Glass <sjg@chromium.org>
213 lines
5.5 KiB
C
213 lines
5.5 KiB
C
/*
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* Board file for the VInCo platform
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* Based on the the SAMA5-EK board file
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* Configuration settings for the VInCo platform.
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* Copyright (C) 2014 Atmel
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* Bo Shen <voice.shen@atmel.com>
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* Copyright (C) 2015 Free Electrons
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* Gregory CLEMENT <gregory.clement@free-electrons.com>
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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 <nand.h>
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#include <spi.h>
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#include <version.h>
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DECLARE_GLOBAL_DATA_PTR;
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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 vinco_spi0_hw_init(void)
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{
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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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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 vinco_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, 12, 0);
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at91_set_pio_output(AT91_PIO_PORTE, 10, 0);
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}
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#endif
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#ifdef CONFIG_GENERIC_ATMEL_MCI
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void vinco_mci0_hw_init(void)
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{
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 5, 1); /* MCI0 CDA */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 6, 1); /* MCI0 DA0 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 7, 1); /* MCI0 DA1 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 8, 1); /* MCI0 DA2 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 9, 1); /* MCI0 DA3 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 10, 1); /* MCI0 DA4 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 11, 1); /* MCI0 DA5 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 12, 1); /* MCI0 DA6 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 13, 1); /* MCI0 DA7 */
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at91_pio3_set_b_periph(AT91_PIO_PORTC, 4, 0); /* MCI0 CLK */
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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 interanl pull
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* down to save the power.
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*/
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at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 4, 0);
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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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/* Enable clock */
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at91_periph_clk_enable(ATMEL_ID_MCI0);
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}
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int board_mmc_init(bd_t *bis)
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{
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/* Enable power for MCI0 interface */
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at91_set_pio_output(AT91_PIO_PORTE, 7, 1);
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return atmel_mci_init((void *)ATMEL_BASE_MCI0);
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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 vinco_macb0_hw_init(void)
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{
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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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/* Enable clock */
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at91_periph_clk_enable(ATMEL_ID_GMAC0);
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/* Enable Phy*/
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at91_set_pio_output(AT91_PIO_PORTE, 8, 1);
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}
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#endif
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static void vinco_serial3_hw_init(void)
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{
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at91_pio3_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
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at91_pio3_set_b_periph(AT91_PIO_PORTE, 16, 0); /* RXD3 */
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/* Enable clock */
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at91_periph_clk_enable(ATMEL_ID_USART3);
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}
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int board_early_init_f(void)
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{
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at91_periph_clk_enable(ATMEL_ID_PIOA);
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at91_periph_clk_enable(ATMEL_ID_PIOB);
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at91_periph_clk_enable(ATMEL_ID_PIOC);
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at91_periph_clk_enable(ATMEL_ID_PIOD);
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at91_periph_clk_enable(ATMEL_ID_PIOE);
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vinco_serial3_hw_init();
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return 0;
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}
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int board_init(void)
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{
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/* adress of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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#ifdef CONFIG_ATMEL_SPI
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vinco_spi0_hw_init();
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#endif
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#ifdef CONFIG_GENERIC_ATMEL_MCI
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vinco_mci0_hw_init();
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#endif
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#ifdef CONFIG_MACB
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vinco_macb0_hw_init();
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#endif
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#ifdef CONFIG_CMD_USB
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vinco_usb_hw_init();
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#endif
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#ifdef CONFIG_USB_GADGET_ATMEL_USBA
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at91_udp_hw_init();
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#endif
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
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CONFIG_SYS_SDRAM_SIZE);
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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int rc = 0;
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#ifdef CONFIG_MACB
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rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
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#endif
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#ifdef CONFIG_USB_GADGET_ATMEL_USBA
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usba_udc_probe(&pdata);
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#ifdef CONFIG_USB_ETH_RNDIS
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usb_eth_initialize(bis);
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#endif
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#endif
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return rc;
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}
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