LXR uboot/board/l+g/vinco/vinco.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Board file for the VInCo platform
   4 * Based on the the SAMA5-EK board file
   5 * Configuration settings for the VInCo platform.
   6 * Copyright (C) 2014 Atmel
   7 *                    Bo Shen <voice.shen@atmel.com>
   8 * Copyright (C) 2015 Free Electrons
   9 *                    Gregory CLEMENT <gregory.clement@free-electrons.com>
  10 */
  11
  12#include <common.h>
  13#include <init.h>
  14#include <asm/global_data.h>
  15#include <asm/io.h>
  16#include <asm/arch/at91_common.h>
  17#include <asm/arch/at91_pmc.h>
  18#include <asm/arch/at91_rstc.h>
  19#include <asm/arch/atmel_mpddrc.h>
  20#include <asm/arch/atmel_usba_udc.h>
  21#include <asm/arch/gpio.h>
  22#include <asm/arch/clk.h>
  23#include <asm/arch/sama5d3_smc.h>
  24#include <asm/arch/sama5d4.h>
  25#include <atmel_hlcdc.h>
  26#include <atmel_mci.h>
  27#include <lcd.h>
  28#include <mmc.h>
  29#include <net.h>
  30#include <netdev.h>
  31#include <nand.h>
  32#include <spi.h>
  33#include <version.h>
  34
  35DECLARE_GLOBAL_DATA_PTR;
  36
  37/* FIXME gpio code here need to handle through DM_GPIO */
  38#if !CONFIG_IS_ENABLED(DM_SPI)
  39int spi_cs_is_valid(unsigned int bus, unsigned int cs)
  40{
  41        return bus == 0 && cs == 0;
  42}
  43
  44void spi_cs_activate(struct spi_slave *slave)
  45{
  46        at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
  47}
  48
  49void spi_cs_deactivate(struct spi_slave *slave)
  50{
  51        at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
  52}
  53
  54static void vinco_spi0_hw_init(void)
  55{
  56        at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0);   /* SPI0_MISO */
  57        at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0);   /* SPI0_MOSI */
  58        at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0);   /* SPI0_SPCK */
  59
  60        at91_set_pio_output(AT91_PIO_PORTC, 3, 1);      /* SPI0_CS0 */
  61
  62        /* Enable clock */
  63        at91_periph_clk_enable(ATMEL_ID_SPI0);
  64}
  65#endif /* CONFIG_ATMEL_SPI */
  66
  67
  68#ifdef CONFIG_CMD_USB
  69static void vinco_usb_hw_init(void)
  70{
  71        at91_set_pio_output(AT91_PIO_PORTE, 11, 0);
  72        at91_set_pio_output(AT91_PIO_PORTE, 12, 0);
  73        at91_set_pio_output(AT91_PIO_PORTE, 10, 0);
  74}
  75#endif
  76
  77
  78#ifdef CONFIG_GENERIC_ATMEL_MCI
  79void vinco_mci0_hw_init(void)
  80{
  81        at91_pio3_set_b_periph(AT91_PIO_PORTC, 5, 1);   /* MCI0 CDA */
  82        at91_pio3_set_b_periph(AT91_PIO_PORTC, 6, 1);   /* MCI0 DA0 */
  83        at91_pio3_set_b_periph(AT91_PIO_PORTC, 7, 1);   /* MCI0 DA1 */
  84        at91_pio3_set_b_periph(AT91_PIO_PORTC, 8, 1);   /* MCI0 DA2 */
  85        at91_pio3_set_b_periph(AT91_PIO_PORTC, 9, 1);   /* MCI0 DA3 */
  86        at91_pio3_set_b_periph(AT91_PIO_PORTC, 10, 1);  /* MCI0 DA4 */
  87        at91_pio3_set_b_periph(AT91_PIO_PORTC, 11, 1);  /* MCI0 DA5 */
  88        at91_pio3_set_b_periph(AT91_PIO_PORTC, 12, 1);  /* MCI0 DA6 */
  89        at91_pio3_set_b_periph(AT91_PIO_PORTC, 13, 1);  /* MCI0 DA7 */
  90        at91_pio3_set_b_periph(AT91_PIO_PORTC, 4, 0);   /* MCI0 CLK */
  91
  92        /*
  93         * As the mci io internal pull down is too strong, so if the io needs
  94         * external pull up, the pull up resistor will be very small, if so
  95         * the power consumption will increase, so disable the interanl pull
  96         * down to save the power.
  97         */
  98        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 4, 0);
  99        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 5, 0);
 100        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 6, 0);
 101        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 7, 0);
 102        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 8, 0);
 103        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 9, 0);
 104        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 10, 0);
 105        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 11, 0);
 106        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 12, 0);
 107        at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 13, 0);
 108
 109        /* Enable clock */
 110        at91_periph_clk_enable(ATMEL_ID_MCI0);
 111}
 112
 113int board_mmc_init(struct bd_info *bis)
 114{
 115        /* Enable power for MCI0 interface */
 116        at91_set_pio_output(AT91_PIO_PORTE, 7, 1);
 117
 118        return atmel_mci_init((void *)ATMEL_BASE_MCI0);
 119}
 120#endif /* CONFIG_GENERIC_ATMEL_MCI */
 121
 122#ifdef CONFIG_MACB
 123void vinco_macb0_hw_init(void)
 124{
 125        at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0);   /* ETXCK_EREFCK */
 126        at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0);   /* ERXDV */
 127        at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0);   /* ERX0 */
 128        at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0);   /* ERX1 */
 129        at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0);   /* ERXER */
 130        at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0);   /* ETXEN */
 131        at91_pio3_set_a_periph(AT91_PIO_PORTB, 12, 0);  /* ETX0 */
 132        at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0);  /* ETX1 */
 133        at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0);  /* EMDIO */
 134        at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0);  /* EMDC */
 135
 136        /* Enable clock */
 137        at91_periph_clk_enable(ATMEL_ID_GMAC0);
 138
 139        /* Enable Phy*/
 140        at91_set_pio_output(AT91_PIO_PORTE, 8, 1);
 141}
 142#endif
 143
 144static void vinco_serial3_hw_init(void)
 145{
 146        at91_pio3_set_b_periph(AT91_PIO_PORTE, 17, 1);  /* TXD3 */
 147        at91_pio3_set_b_periph(AT91_PIO_PORTE, 16, 0);  /* RXD3 */
 148
 149        /* Enable clock */
 150        at91_periph_clk_enable(ATMEL_ID_USART3);
 151}
 152
 153int board_early_init_f(void)
 154{
 155        at91_periph_clk_enable(ATMEL_ID_PIOA);
 156        at91_periph_clk_enable(ATMEL_ID_PIOB);
 157        at91_periph_clk_enable(ATMEL_ID_PIOC);
 158        at91_periph_clk_enable(ATMEL_ID_PIOD);
 159        at91_periph_clk_enable(ATMEL_ID_PIOE);
 160
 161        vinco_serial3_hw_init();
 162
 163        return 0;
 164}
 165
 166int board_init(void)
 167{
 168        /* adress of boot parameters */
 169        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 170
 171#if !CONFIG_IS_ENABLED(DM_SPI)
 172        vinco_spi0_hw_init();
 173#endif
 174
 175#ifdef CONFIG_GENERIC_ATMEL_MCI
 176        vinco_mci0_hw_init();
 177#endif
 178#ifdef CONFIG_MACB
 179        vinco_macb0_hw_init();
 180#endif
 181#ifdef CONFIG_CMD_USB
 182        vinco_usb_hw_init();
 183#endif
 184#ifdef CONFIG_USB_GADGET_ATMEL_USBA
 185        at91_udp_hw_init();
 186#endif
 187
 188        return 0;
 189}
 190
 191int dram_init(void)
 192{
 193        gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
 194                                    CONFIG_SYS_SDRAM_SIZE);
 195        return 0;
 196}
 197
 198int board_eth_init(struct bd_info *bis)
 199{
 200        int rc = 0;
 201
 202#ifdef CONFIG_MACB
 203        rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
 204#endif
 205
 206#ifdef CONFIG_USB_GADGET_ATMEL_USBA
 207        usba_udc_probe(&pdata);
 208#ifdef CONFIG_USB_ETH_RNDIS
 209        usb_eth_initialize(bis);
 210#endif
 211#endif
 212
 213        return rc;
 214}
 215