Fabio Estevam | 5ffd3c5 | 2011-12-20 05:46:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Freescale MX28EVK IOMUX setup |
| 3 | * |
| 4 | * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> |
| 5 | * on behalf of DENX Software Engineering GmbH |
| 6 | * |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 7 | * SPDX-License-Identifier: GPL-2.0+ |
Fabio Estevam | 5ffd3c5 | 2011-12-20 05:46:34 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #include <common.h> |
| 11 | #include <config.h> |
| 12 | #include <asm/io.h> |
| 13 | #include <asm/arch/iomux-mx28.h> |
| 14 | #include <asm/arch/imx-regs.h> |
| 15 | #include <asm/arch/sys_proto.h> |
| 16 | |
| 17 | #define MUX_CONFIG_SSP0 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) |
Lauri Hintsala | 6f515f7 | 2012-04-17 00:35:46 +0000 | [diff] [blame] | 18 | #define MUX_CONFIG_GPMI (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) |
Fabio Estevam | 5ffd3c5 | 2011-12-20 05:46:34 +0000 | [diff] [blame] | 19 | #define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) |
| 20 | #define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) |
Matthias Fuchs | 084a5f0 | 2012-01-18 01:33:09 +0000 | [diff] [blame] | 21 | #define MUX_CONFIG_SSP2 (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP) |
Fabio Estevam | 9f95ce2 | 2013-05-10 09:14:09 +0000 | [diff] [blame] | 22 | #define MUX_CONFIG_LCD (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) |
Fabio Estevam | 5ffd3c5 | 2011-12-20 05:46:34 +0000 | [diff] [blame] | 23 | |
| 24 | const iomux_cfg_t iomux_setup[] = { |
| 25 | /* DUART */ |
| 26 | MX28_PAD_PWM0__DUART_RX, |
| 27 | MX28_PAD_PWM1__DUART_TX, |
| 28 | |
| 29 | /* MMC0 */ |
| 30 | MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0, |
| 31 | MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0, |
| 32 | MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0, |
| 33 | MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0, |
| 34 | MX28_PAD_SSP0_DATA4__SSP0_D4 | MUX_CONFIG_SSP0, |
| 35 | MX28_PAD_SSP0_DATA5__SSP0_D5 | MUX_CONFIG_SSP0, |
| 36 | MX28_PAD_SSP0_DATA6__SSP0_D6 | MUX_CONFIG_SSP0, |
| 37 | MX28_PAD_SSP0_DATA7__SSP0_D7 | MUX_CONFIG_SSP0, |
| 38 | MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0, |
| 39 | MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | |
| 40 | (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), |
| 41 | MX28_PAD_SSP0_SCK__SSP0_SCK | |
| 42 | (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), |
| 43 | /* write protect */ |
| 44 | MX28_PAD_SSP1_SCK__GPIO_2_12, |
| 45 | /* MMC0 slot power enable */ |
| 46 | MX28_PAD_PWM3__GPIO_3_28 | |
| 47 | (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 48 | |
Lauri Hintsala | 6f515f7 | 2012-04-17 00:35:46 +0000 | [diff] [blame] | 49 | #ifdef CONFIG_NAND_MXS |
| 50 | /* GPMI NAND */ |
| 51 | MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI, |
| 52 | MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI, |
| 53 | MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI, |
| 54 | MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI, |
| 55 | MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI, |
| 56 | MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI, |
| 57 | MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI, |
| 58 | MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI, |
| 59 | MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI, |
| 60 | MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI, |
| 61 | MX28_PAD_GPMI_RDN__GPMI_RDN | |
| 62 | (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), |
| 63 | MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI, |
| 64 | MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI, |
| 65 | MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI, |
| 66 | MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI, |
| 67 | #endif |
| 68 | |
Fabio Estevam | 5ffd3c5 | 2011-12-20 05:46:34 +0000 | [diff] [blame] | 69 | /* FEC0 */ |
| 70 | MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET, |
| 71 | MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET, |
| 72 | MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET, |
| 73 | MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET, |
| 74 | MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET, |
| 75 | MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET, |
| 76 | MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET, |
| 77 | MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET, |
| 78 | MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET, |
| 79 | /* FEC0 Enable */ |
| 80 | MX28_PAD_SSP1_DATA3__GPIO_2_15 | |
| 81 | (MXS_PAD_12MA | MXS_PAD_3V3), |
| 82 | /* FEC0 Reset */ |
| 83 | MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | |
| 84 | (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), |
| 85 | |
| 86 | /* FEC1 */ |
| 87 | MX28_PAD_ENET0_COL__ENET1_TX_EN | MUX_CONFIG_ENET, |
| 88 | MX28_PAD_ENET0_CRS__ENET1_RX_EN | MUX_CONFIG_ENET, |
| 89 | MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MUX_CONFIG_ENET, |
| 90 | MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MUX_CONFIG_ENET, |
| 91 | MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MUX_CONFIG_ENET, |
| 92 | MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MUX_CONFIG_ENET, |
| 93 | |
| 94 | /* EMI */ |
| 95 | MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI, |
| 96 | MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI, |
| 97 | MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI, |
| 98 | MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI, |
| 99 | MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI, |
| 100 | MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI, |
| 101 | MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI, |
| 102 | MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI, |
| 103 | MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI, |
| 104 | MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI, |
| 105 | MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI, |
| 106 | MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI, |
| 107 | MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI, |
| 108 | MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI, |
| 109 | MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI, |
| 110 | MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI, |
| 111 | MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI, |
| 112 | MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, |
| 113 | MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI, |
| 114 | MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, |
| 115 | MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI, |
| 116 | MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, |
| 117 | MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, |
| 118 | MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, |
| 119 | MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI, |
| 120 | |
| 121 | MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI, |
| 122 | MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI, |
| 123 | MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI, |
| 124 | MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI, |
| 125 | MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI, |
| 126 | MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI, |
| 127 | MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI, |
| 128 | MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI, |
| 129 | MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI, |
| 130 | MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI, |
| 131 | MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI, |
| 132 | MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI, |
| 133 | MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI, |
| 134 | MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI, |
| 135 | MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI, |
| 136 | MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, |
| 137 | MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, |
| 138 | MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI, |
| 139 | MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, |
| 140 | MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, |
| 141 | MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, |
| 142 | MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, |
| 143 | MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, |
| 144 | MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, |
Matthias Fuchs | 084a5f0 | 2012-01-18 01:33:09 +0000 | [diff] [blame] | 145 | |
| 146 | /* SPI2 (for SPI flash) */ |
| 147 | MX28_PAD_SSP2_SCK__SSP2_SCK | MUX_CONFIG_SSP2, |
| 148 | MX28_PAD_SSP2_MOSI__SSP2_CMD | MUX_CONFIG_SSP2, |
| 149 | MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2, |
| 150 | MX28_PAD_SSP2_SS0__SSP2_D3 | |
| 151 | (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), |
Fabio Estevam | a35d0bd | 2012-05-07 05:42:34 +0000 | [diff] [blame] | 152 | /* I2C */ |
| 153 | MX28_PAD_I2C0_SCL__I2C0_SCL, |
| 154 | MX28_PAD_I2C0_SDA__I2C0_SDA, |
Fabio Estevam | 9f95ce2 | 2013-05-10 09:14:09 +0000 | [diff] [blame] | 155 | |
| 156 | /* LCD */ |
| 157 | MX28_PAD_LCD_D00__LCD_D0 | MUX_CONFIG_LCD, |
| 158 | MX28_PAD_LCD_D01__LCD_D1 | MUX_CONFIG_LCD, |
| 159 | MX28_PAD_LCD_D02__LCD_D2 | MUX_CONFIG_LCD, |
| 160 | MX28_PAD_LCD_D03__LCD_D3 | MUX_CONFIG_LCD, |
| 161 | MX28_PAD_LCD_D04__LCD_D4 | MUX_CONFIG_LCD, |
| 162 | MX28_PAD_LCD_D05__LCD_D5 | MUX_CONFIG_LCD, |
| 163 | MX28_PAD_LCD_D06__LCD_D6 | MUX_CONFIG_LCD, |
| 164 | MX28_PAD_LCD_D07__LCD_D7 | MUX_CONFIG_LCD, |
| 165 | MX28_PAD_LCD_D08__LCD_D8 | MUX_CONFIG_LCD, |
| 166 | MX28_PAD_LCD_D09__LCD_D9 | MUX_CONFIG_LCD, |
| 167 | MX28_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD, |
| 168 | MX28_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD, |
| 169 | MX28_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD, |
| 170 | MX28_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD, |
| 171 | MX28_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD, |
| 172 | MX28_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD, |
| 173 | MX28_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD, |
| 174 | MX28_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD, |
| 175 | MX28_PAD_LCD_D18__LCD_D18 | MUX_CONFIG_LCD, |
| 176 | MX28_PAD_LCD_D19__LCD_D19 | MUX_CONFIG_LCD, |
| 177 | MX28_PAD_LCD_D20__LCD_D20 | MUX_CONFIG_LCD, |
| 178 | MX28_PAD_LCD_D21__LCD_D21 | MUX_CONFIG_LCD, |
| 179 | MX28_PAD_LCD_D22__LCD_D22 | MUX_CONFIG_LCD, |
| 180 | MX28_PAD_LCD_D23__LCD_D23 | MUX_CONFIG_LCD, |
| 181 | MX28_PAD_LCD_RD_E__LCD_VSYNC | MUX_CONFIG_LCD, |
| 182 | MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MUX_CONFIG_LCD, |
| 183 | MX28_PAD_LCD_RS__LCD_DOTCLK | MUX_CONFIG_LCD, |
| 184 | MX28_PAD_LCD_CS__LCD_ENABLE | MUX_CONFIG_LCD, |
| 185 | MX28_PAD_LCD_RESET__GPIO_3_30 | MUX_CONFIG_LCD, /* LCD power */ |
| 186 | MX28_PAD_PWM2__GPIO_3_18 | MUX_CONFIG_LCD, /* LCD contrast */ |
Fabio Estevam | 5ffd3c5 | 2011-12-20 05:46:34 +0000 | [diff] [blame] | 187 | }; |
| 188 | |
Fabio Estevam | 1990e06 | 2012-06-19 07:24:56 +0000 | [diff] [blame] | 189 | #define HW_DRAM_CTL29 (0x74 >> 2) |
| 190 | #define CS_MAP 0xf |
| 191 | #define COLUMN_SIZE 0x2 |
| 192 | #define ADDR_PINS 0x1 |
| 193 | #define APREBIT 0xa |
| 194 | |
| 195 | #define HW_DRAM_CTL29_CONFIG (CS_MAP << 24 | COLUMN_SIZE << 16 | \ |
| 196 | ADDR_PINS << 8 | APREBIT) |
| 197 | |
Fabio Estevam | 04c9a5f | 2012-08-28 09:29:06 +0000 | [diff] [blame] | 198 | void mxs_adjust_memory_params(uint32_t *dram_vals) |
Fabio Estevam | 1990e06 | 2012-06-19 07:24:56 +0000 | [diff] [blame] | 199 | { |
| 200 | dram_vals[HW_DRAM_CTL29] = HW_DRAM_CTL29_CONFIG; |
| 201 | } |
| 202 | |
Marek Vasut | 0dc62ba | 2013-08-31 15:53:44 +0200 | [diff] [blame] | 203 | void board_init_ll(const uint32_t arg, const uint32_t *resptr) |
Fabio Estevam | 5ffd3c5 | 2011-12-20 05:46:34 +0000 | [diff] [blame] | 204 | { |
Marek Vasut | 0dc62ba | 2013-08-31 15:53:44 +0200 | [diff] [blame] | 205 | mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); |
Fabio Estevam | 5ffd3c5 | 2011-12-20 05:46:34 +0000 | [diff] [blame] | 206 | } |