LXR uboot/board/calao/usb_a9263/usb

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2007-2013
   4 * Stelian Pop <stelian.pop@leadtechdesign.com>
   5 * Lead Tech Design <www.leadtechdesign.com>
   6 * Thomas Petazzoni, Free Electrons, <thomas.petazzoni@free-electrons.com>
   7 * Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
   8 */
   9
  10#include <common.h>
  11#include <init.h>
  12#include <asm/arch/at91sam9_smc.h>
  13#include <asm/arch/at91_common.h>
  14#include <asm/arch/at91_matrix.h>
  15#include <asm/arch/clk.h>
  16#include <asm/arch/gpio.h>
  17#include <asm-generic/gpio.h>
  18#include <asm/global_data.h>
  19#include <asm/io.h>
  20#include <net.h>
  21#include <netdev.h>
  22
  23DECLARE_GLOBAL_DATA_PTR;
  24
  25#ifdef CONFIG_CMD_NAND
  26static void usb_a9263_nand_hw_init(void)
  27{
  28        unsigned long csa;
  29        at91_smc_t *smc = (at91_smc_t *)ATMEL_BASE_SMC0;
  30        at91_matrix_t *matrix = (at91_matrix_t *)ATMEL_BASE_MATRIX;
  31
  32        /* Enable CS3 */
  33        csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
  34        writel(csa, &matrix->csa[0]);
  35
  36        /* Configure SMC CS3 for NAND/SmartMedia */
  37        writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
  38               AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
  39               &smc->cs[3].setup);
  40
  41        writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
  42               AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
  43               &smc->cs[3].pulse);
  44
  45        writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
  46               &smc->cs[3].cycle);
  47
  48        writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
  49               AT91_SMC_MODE_EXNW_DISABLE |
  50               AT91_SMC_MODE_DBW_8 |
  51               AT91_SMC_MODE_TDF_CYCLE(2), &smc->cs[3].mode);
  52
  53        at91_periph_clk_enable(ATMEL_ID_PIOA);
  54        at91_periph_clk_enable(ATMEL_ID_PIOCDE);
  55
  56        /* Configure RDY/BSY */
  57        gpio_request(CONFIG_SYS_NAND_READY_PIN, "NAND ready/busy");
  58        gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
  59
  60        /* Enable NandFlash */
  61        gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "NAND enable");
  62        gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  63}
  64#endif
  65
  66#ifdef CONFIG_MACB
  67static void usb_a9263_macb_hw_init(void)
  68{
  69        at91_periph_clk_enable(ATMEL_ID_EMAC);
  70
  71        /*
  72         * Disable pull-up on:
  73         *  RXDV (PC25) => PHY normal mode (not Test mode)
  74         *  ERX0 (PE25) => PHY ADDR0
  75         *  ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
  76         *
  77         * PHY has internal weak pull-up/pull-down
  78         */
  79        gpio_request(GPIO_PIN_PC(25), "PHY mode");
  80        gpio_direction_input(GPIO_PIN_PC(25));
  81
  82        gpio_request(GPIO_PIN_PE(25), "PHY ADDR0");
  83        gpio_direction_input(GPIO_PIN_PE(25));
  84
  85        gpio_request(GPIO_PIN_PE(26), "PHY ADDR1");
  86        gpio_direction_input(GPIO_PIN_PE(26));
  87
  88        at91_phy_reset();
  89
  90        /* It will set proper pinmux for ports PC25, PE25-26 */
  91        at91_macb_hw_init();
  92}
  93#endif
  94
  95int board_init(void)
  96{
  97        /* adress of boot parameters */
  98        gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  99
 100#ifdef CONFIG_CMD_NAND
 101        usb_a9263_nand_hw_init();
 102#endif
 103#ifdef CONFIG_MACB
 104        usb_a9263_macb_hw_init();
 105#endif
 106#ifdef CONFIG_USB_OHCI_NEW
 107        at91_uhp_hw_init();
 108#endif
 109        return 0;
 110}
 111
 112int dram_init(void)
 113{
 114        gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
 115                                    CONFIG_SYS_SDRAM_SIZE);
 116        return 0;
 117}
 118
 119int board_eth_init(struct bd_info *bis)
 120{
 121        int rc = 0;
 122
 123#ifdef CONFIG_MACB
 124        rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x0001);
 125#endif
 126        return rc;
 127}
 128