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      1 // SPDX-License-Identifier: GPL-2.0+
      2 /*
      3  * Freescale MX23EVK Boot setup
      4  *
      5  * Copyright (C) 2011 Marek Vasut <marek.vasut (at) gmail.com>
      6  * on behalf of DENX Software Engineering GmbH
      7  */
      8 
      9 #include <common.h>
     10 #include <config.h>
     11 #include <asm/io.h>
     12 #include <asm/arch/iomux-mx23.h>
     13 #include <asm/arch/imx-regs.h>
     14 #include <asm/arch/sys_proto.h>
     15 
     16 #define	MUX_CONFIG_SSP1	(MXS_PAD_8MA | MXS_PAD_PULLUP)
     17 #define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP)
     18 #define	MUX_CONFIG_LCD	(MXS_PAD_4MA | MXS_PAD_NOPULL)
     19 
     20 const iomux_cfg_t iomux_setup[] = {
     21 	/* DUART */
     22 	MX23_PAD_PWM0__DUART_RX,
     23 	MX23_PAD_PWM1__DUART_TX,
     24 
     25 	/* EMI */
     26 	MX23_PAD_EMI_D00__EMI_D00 | MUX_CONFIG_EMI,
     27 	MX23_PAD_EMI_D01__EMI_D01 | MUX_CONFIG_EMI,
     28 	MX23_PAD_EMI_D02__EMI_D02 | MUX_CONFIG_EMI,
     29 	MX23_PAD_EMI_D03__EMI_D03 | MUX_CONFIG_EMI,
     30 	MX23_PAD_EMI_D04__EMI_D04 | MUX_CONFIG_EMI,
     31 	MX23_PAD_EMI_D05__EMI_D05 | MUX_CONFIG_EMI,
     32 	MX23_PAD_EMI_D06__EMI_D06 | MUX_CONFIG_EMI,
     33 	MX23_PAD_EMI_D07__EMI_D07 | MUX_CONFIG_EMI,
     34 	MX23_PAD_EMI_D08__EMI_D08 | MUX_CONFIG_EMI,
     35 	MX23_PAD_EMI_D09__EMI_D09 | MUX_CONFIG_EMI,
     36 	MX23_PAD_EMI_D10__EMI_D10 | MUX_CONFIG_EMI,
     37 	MX23_PAD_EMI_D11__EMI_D11 | MUX_CONFIG_EMI,
     38 	MX23_PAD_EMI_D12__EMI_D12 | MUX_CONFIG_EMI,
     39 	MX23_PAD_EMI_D13__EMI_D13 | MUX_CONFIG_EMI,
     40 	MX23_PAD_EMI_D14__EMI_D14 | MUX_CONFIG_EMI,
     41 	MX23_PAD_EMI_D15__EMI_D15 | MUX_CONFIG_EMI,
     42 	MX23_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
     43 	MX23_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
     44 	MX23_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
     45 	MX23_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
     46 	MX23_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
     47 	MX23_PAD_EMI_CLKN__EMI_CLKN | MUX_CONFIG_EMI,
     48 
     49 	MX23_PAD_EMI_A00__EMI_A00 | MUX_CONFIG_EMI,
     50 	MX23_PAD_EMI_A01__EMI_A01 | MUX_CONFIG_EMI,
     51 	MX23_PAD_EMI_A02__EMI_A02 | MUX_CONFIG_EMI,
     52 	MX23_PAD_EMI_A03__EMI_A03 | MUX_CONFIG_EMI,
     53 	MX23_PAD_EMI_A04__EMI_A04 | MUX_CONFIG_EMI,
     54 	MX23_PAD_EMI_A05__EMI_A05 | MUX_CONFIG_EMI,
     55 	MX23_PAD_EMI_A06__EMI_A06 | MUX_CONFIG_EMI,
     56 	MX23_PAD_EMI_A07__EMI_A07 | MUX_CONFIG_EMI,
     57 	MX23_PAD_EMI_A08__EMI_A08 | MUX_CONFIG_EMI,
     58 	MX23_PAD_EMI_A09__EMI_A09 | MUX_CONFIG_EMI,
     59 	MX23_PAD_EMI_A10__EMI_A10 | MUX_CONFIG_EMI,
     60 	MX23_PAD_EMI_A11__EMI_A11 | MUX_CONFIG_EMI,
     61 	MX23_PAD_EMI_A12__EMI_A12 | MUX_CONFIG_EMI,
     62 	MX23_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
     63 	MX23_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
     64 
     65 	MX23_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
     66 	MX23_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
     67 	MX23_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
     68 	MX23_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
     69 	MX23_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
     70 	MX23_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
     71 
     72 	/* MMC 0 */
     73 	MX23_PAD_SSP1_DATA0__SSP1_DATA0 | MUX_CONFIG_SSP1,
     74 	MX23_PAD_SSP1_DATA1__SSP1_DATA1 | MUX_CONFIG_SSP1,
     75 	MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP1,
     76 	MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP1,
     77 	MX23_PAD_SSP1_CMD__SSP1_CMD | MUX_CONFIG_SSP1,
     78 	MX23_PAD_SSP1_DETECT__SSP1_DETECT | MUX_CONFIG_SSP1,
     79 		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
     80 	MX23_PAD_SSP1_SCK__SSP1_SCK |
     81 		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
     82 	/* Write Protect Pin */
     83 	MX23_PAD_PWM4__GPIO_1_30 |
     84 		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
     85 	/* Slot Power Enable */
     86 	MX23_PAD_PWM3__GPIO_1_29 |
     87 		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
     88 	/* LCD */
     89 	MX23_PAD_LCD_D00__LCD_D00 | MUX_CONFIG_LCD,
     90 	MX23_PAD_LCD_D01__LCD_D01 | MUX_CONFIG_LCD,
     91 	MX23_PAD_LCD_D02__LCD_D02 | MUX_CONFIG_LCD,
     92 	MX23_PAD_LCD_D03__LCD_D03 | MUX_CONFIG_LCD,
     93 	MX23_PAD_LCD_D04__LCD_D04 | MUX_CONFIG_LCD,
     94 	MX23_PAD_LCD_D05__LCD_D05 | MUX_CONFIG_LCD,
     95 	MX23_PAD_LCD_D06__LCD_D06 | MUX_CONFIG_LCD,
     96 	MX23_PAD_LCD_D07__LCD_D07 | MUX_CONFIG_LCD,
     97 	MX23_PAD_LCD_D08__LCD_D08 | MUX_CONFIG_LCD,
     98 	MX23_PAD_LCD_D09__LCD_D09 | MUX_CONFIG_LCD,
     99 	MX23_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD,
    100 	MX23_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD,
    101 	MX23_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD,
    102 	MX23_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD,
    103 	MX23_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD,
    104 	MX23_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD,
    105 	MX23_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD,
    106 	MX23_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD,
    107 	MX23_PAD_GPMI_D08__LCD_D18 | MUX_CONFIG_LCD,
    108 	MX23_PAD_GPMI_D09__LCD_D19 | MUX_CONFIG_LCD,
    109 	MX23_PAD_GPMI_D10__LCD_D20 | MUX_CONFIG_LCD,
    110 	MX23_PAD_GPMI_D11__LCD_D21 | MUX_CONFIG_LCD,
    111 	MX23_PAD_GPMI_D12__LCD_D22 | MUX_CONFIG_LCD,
    112 	MX23_PAD_GPMI_D13__LCD_D23 | MUX_CONFIG_LCD,
    113 	MX23_PAD_LCD_DOTCK__LCD_DOTCK | MUX_CONFIG_LCD,
    114 	MX23_PAD_LCD_ENABLE__LCD_ENABLE | MUX_CONFIG_LCD,
    115 	MX23_PAD_LCD_HSYNC__LCD_HSYNC | MUX_CONFIG_LCD,
    116 	MX23_PAD_LCD_VSYNC__LCD_VSYNC | MUX_CONFIG_LCD,
    117 	MX23_PAD_LCD_RESET__GPIO_1_18 | MUX_CONFIG_LCD, /* LCD power */
    118 	MX23_PAD_PWM2__GPIO_1_28 | MUX_CONFIG_LCD, /* LCD contrast */
    119 };
    120 
    121 #define HW_DRAM_CTL14	(0x38 >> 2)
    122 #define CS_MAP		0x3
    123 #define INTAREF		0x2
    124 #define HW_DRAM_CTL14_CONFIG	(INTAREF << 8 | CS_MAP)
    125 
    126 void mxs_adjust_memory_params(uint32_t *dram_vals)
    127 {
    128 	dram_vals[HW_DRAM_CTL14] = HW_DRAM_CTL14_CONFIG;
    129 }
    130 
    131 void board_init_ll(const uint32_t arg, const uint32_t *resptr)
    132 {
    133 	mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup));
    134 }
    135