1 /* 2 * Bluegiga APX4 Development Kit 3 * 4 * Copyright (C) 2012 Bluegiga Technologies Oy 5 * 6 * Authors: 7 * Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com> 8 * Lauri Hintsala <lauri.hintsala@bluegiga.com> 9 * 10 * Based on spl_boot.c: 11 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> 12 * on behalf of DENX Software Engineering GmbH 13 * 14 * SPDX-License-Identifier: GPL-2.0+ 15 */ 16 17 #include <common.h> 18 #include <config.h> 19 #include <asm/gpio.h> 20 #include <asm/io.h> 21 #include <asm/arch/iomux-mx28.h> 22 #include <asm/arch/imx-regs.h> 23 #include <asm/arch/sys_proto.h> 24 25 #define MUX_CONFIG_SSP0 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) 26 #define MUX_CONFIG_GPMI (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) 27 #define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) 28 #define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) 29 30 const iomux_cfg_t iomux_setup[] = { 31 /* DUART */ 32 MX28_PAD_PWM0__DUART_RX, 33 MX28_PAD_PWM1__DUART_TX, 34 35 /* LED */ 36 MX28_PAD_PWM3__GPIO_3_28, 37 38 /* MMC0 */ 39 MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0, 40 MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0, 41 MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0, 42 MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0, 43 MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0, 44 MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | 45 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_NOPULL), 46 MX28_PAD_SSP0_SCK__SSP0_SCK | 47 (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), 48 49 /* GPMI NAND */ 50 MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI, 51 MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI, 52 MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI, 53 MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI, 54 MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI, 55 MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI, 56 MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI, 57 MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI, 58 MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI, 59 MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI, 60 MX28_PAD_GPMI_RDN__GPMI_RDN | 61 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), 62 MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI, 63 MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI, 64 MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI, 65 MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI, 66 67 /* FEC0 */ 68 MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET, 69 MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET, 70 MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET, 71 MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET, 72 MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET, 73 MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET, 74 MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET, 75 MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET, 76 MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET, 77 78 /* I2C */ 79 MX28_PAD_I2C0_SCL__I2C0_SCL, 80 MX28_PAD_I2C0_SDA__I2C0_SDA, 81 82 /* EMI */ 83 MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI, 84 MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI, 85 MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI, 86 MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI, 87 MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI, 88 MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI, 89 MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI, 90 MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI, 91 MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI, 92 MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI, 93 MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI, 94 MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI, 95 MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI, 96 MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI, 97 MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI, 98 MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI, 99 MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI, 100 MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, 101 MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI, 102 MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, 103 MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI, 104 MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, 105 MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, 106 MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, 107 MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI, 108 109 MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI, 110 MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI, 111 MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI, 112 MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI, 113 MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI, 114 MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI, 115 MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI, 116 MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI, 117 MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI, 118 MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI, 119 MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI, 120 MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI, 121 MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI, 122 MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI, 123 MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI, 124 MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, 125 MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, 126 MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI, 127 MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, 128 MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, 129 MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, 130 MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, 131 MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, 132 MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, 133 }; 134 135 void board_init_ll(const uint32_t arg, const uint32_t *resptr) 136 { 137 mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); 138 139 /* switch LED on */ 140 gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0); 141 } 142 143 void mxs_adjust_memory_params(uint32_t *dram_vals) 144 { 145 /* 146 * All address lines are routed from CPU to memory chip. 147 * ADDR_PINS field is set to zero. 148 */ 149 dram_vals[0x74 >> 2] = 0x0f02000a; 150 151 /* Used memory has 4 banks. EIGHT_BANK_MODE bit is disabled. */ 152 dram_vals[0x7c >> 2] = 0x00000101; 153 } 154