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