uboot/board/ppcag/bg0900/spl_boot.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * PPC-AG BG0900 Boot setup
   4 *
   5 * Copyright (C) 2013 Marek Vasut <marex@denx.de>
   6 */
   7
   8#include <common.h>
   9#include <config.h>
  10#include <asm/io.h>
  11#include <asm/arch/iomux-mx28.h>
  12#include <asm/arch/imx-regs.h>
  13#include <asm/arch/sys_proto.h>
  14
  15#define MUX_CONFIG_GPMI (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
  16#define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
  17#define MUX_CONFIG_EMI  (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
  18#define MUX_CONFIG_SSP2 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
  19
  20const iomux_cfg_t iomux_setup[] = {
  21        /* DUART */
  22        MX28_PAD_PWM0__DUART_RX,
  23        MX28_PAD_PWM1__DUART_TX,
  24
  25        /* GPMI NAND */
  26        MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI,
  27        MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI,
  28        MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI,
  29        MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI,
  30        MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI,
  31        MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI,
  32        MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI,
  33        MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI,
  34        MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI,
  35        MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI,
  36        MX28_PAD_GPMI_RDN__GPMI_RDN |
  37                (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
  38        MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI,
  39        MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI,
  40        MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI,
  41        MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI,
  42
  43        /* FEC0 */
  44        MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET,
  45        MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET,
  46        MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET,
  47        MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET,
  48        MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET,
  49        MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET,
  50        MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET,
  51        MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET,
  52        MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET,
  53
  54        /* FEC0 Reset */
  55        MX28_PAD_ENET0_RX_CLK__GPIO_4_13 |
  56                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
  57
  58        /* EMI */
  59        MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI,
  60        MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI,
  61        MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI,
  62        MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI,
  63        MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI,
  64        MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI,
  65        MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI,
  66        MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI,
  67        MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI,
  68        MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI,
  69        MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI,
  70        MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI,
  71        MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI,
  72        MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI,
  73        MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI,
  74        MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI,
  75        MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI,
  76        MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
  77        MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI,
  78        MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
  79        MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI,
  80        MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
  81        MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
  82        MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
  83        MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI,
  84
  85        MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI,
  86        MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI,
  87        MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI,
  88        MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI,
  89        MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI,
  90        MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI,
  91        MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI,
  92        MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI,
  93        MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI,
  94        MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI,
  95        MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI,
  96        MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI,
  97        MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI,
  98        MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI,
  99        MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI,
 100        MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
 101        MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
 102        MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI,
 103        MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
 104        MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
 105        MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
 106        MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
 107        MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
 108        MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
 109
 110        /* SPI2 (for SPI flash) */
 111        MX28_PAD_SSP2_SCK__SSP2_SCK | MUX_CONFIG_SSP2,
 112        MX28_PAD_SSP2_MOSI__SSP2_CMD | MUX_CONFIG_SSP2,
 113        MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2,
 114        MX28_PAD_SSP2_SS0__SSP2_D3 |
 115                (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP),
 116};
 117
 118void mxs_adjust_memory_params(uint32_t *dram_vals)
 119{
 120        /*
 121         * DDR Controller Registers
 122         * Manufacturer:        Winbond
 123         * Device Part Number:  W972GG6JB-25I
 124         * Clock Freq.:         200MHz
 125         * Density:             2Gb
 126         * Chip Selects:        1
 127         * Number of Banks:     8
 128         * Row address:         14
 129         * Column address:      10
 130         */
 131
 132        dram_vals[0x74 / 4] = 0x0102010A;
 133        dram_vals[0x98 / 4] = 0x04005003;
 134        dram_vals[0x9c / 4] = 0x090000c8;
 135
 136        dram_vals[0xa8 / 4] = 0x0036b009;
 137        dram_vals[0xac / 4] = 0x03270612;
 138
 139        dram_vals[0xb0 / 4] = 0x02020202;
 140        dram_vals[0xb4 / 4] = 0x00c80029;
 141
 142        dram_vals[0xc0 / 4] = 0x00011900;
 143
 144        dram_vals[0x12c / 4] = 0x07400300;
 145        dram_vals[0x130 / 4] = 0x07400300;
 146        dram_vals[0x2c4 / 4] = 0x02030303;
 147}
 148
 149void board_init_ll(const uint32_t arg, const uint32_t *resptr)
 150{
 151        mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup));
 152}
 153