uboot/board/ronetix/pm9261/pm9261.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2007-2008
   4 * Stelian Pop <stelian@popies.net>
   5 * Lead Tech Design <www.leadtechdesign.com>
   6 * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
   7 * Copyright (C) 2009 Jean-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   8 */
   9
  10#include <common.h>
  11#include <linux/sizes.h>
  12#include <asm/io.h>
  13#include <asm/gpio.h>
  14#include <asm/arch/at91sam9_smc.h>
  15#include <asm/arch/at91_common.h>
  16#include <asm/arch/at91_rstc.h>
  17#include <asm/arch/at91_matrix.h>
  18#include <asm/arch/clk.h>
  19#include <asm/arch/gpio.h>
  20
  21#include <lcd.h>
  22#include <atmel_lcdc.h>
  23#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
  24#include <net.h>
  25#endif
  26#include <netdev.h>
  27#include <asm/mach-types.h>
  28
  29DECLARE_GLOBAL_DATA_PTR;
  30
  31/* ------------------------------------------------------------------------- */
  32/*
  33 * Miscelaneous platform dependent initialisations
  34 */
  35
  36#ifdef CONFIG_CMD_NAND
  37static void pm9261_nand_hw_init(void)
  38{
  39        unsigned long csa;
  40        struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
  41        struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
  42
  43        /* Enable CS3 */
  44        csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
  45        writel(csa, &matrix->csa);
  46
  47        /* Configure SMC CS3 for NAND/SmartMedia */
  48        writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
  49                AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
  50                &smc->cs[3].setup);
  51
  52        writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
  53                AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
  54                &smc->cs[3].pulse);
  55
  56        writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
  57                &smc->cs[3].cycle);
  58
  59        writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
  60                AT91_SMC_MODE_EXNW_DISABLE |
  61#ifdef CONFIG_SYS_NAND_DBW_16
  62                AT91_SMC_MODE_DBW_16 |
  63#else /* CONFIG_SYS_NAND_DBW_8 */
  64                AT91_SMC_MODE_DBW_8 |
  65#endif
  66                AT91_SMC_MODE_TDF_CYCLE(2),
  67                &smc->cs[3].mode);
  68
  69        at91_periph_clk_enable(ATMEL_ID_PIOA);
  70        at91_periph_clk_enable(ATMEL_ID_PIOC);
  71
  72        /* Configure RDY/BSY */
  73        gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
  74
  75        /* Enable NandFlash */
  76        gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  77
  78        at91_set_a_periph(AT91_PIO_PORTC, 0, 0);        /* NANDOE */
  79        at91_set_a_periph(AT91_PIO_PORTC, 1, 0);        /* NANDWE */
  80}
  81#endif
  82
  83
  84#ifdef CONFIG_DRIVER_DM9000
  85static void pm9261_dm9000_hw_init(void)
  86{
  87        struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
  88
  89        /* Configure SMC CS2 for DM9000 */
  90        writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
  91                AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
  92                &smc->cs[2].setup);
  93
  94        writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
  95                AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
  96                &smc->cs[2].pulse);
  97
  98        writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
  99                &smc->cs[2].cycle);
 100
 101        writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
 102                AT91_SMC_MODE_EXNW_DISABLE |
 103                AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
 104                AT91_SMC_MODE_TDF_CYCLE(1),
 105                &smc->cs[2].mode);
 106
 107        /* Configure Interrupt pin as input, no pull-up */
 108        at91_periph_clk_enable(ATMEL_ID_PIOA);
 109        at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
 110}
 111#endif
 112
 113#ifdef CONFIG_LCD
 114vidinfo_t panel_info = {
 115        .vl_col =               240,
 116        .vl_row =               320,
 117        .vl_clk =               4965000,
 118        .vl_sync =              ATMEL_LCDC_INVLINE_INVERTED |
 119                                ATMEL_LCDC_INVFRAME_INVERTED,
 120        .vl_bpix =              3,
 121        .vl_tft =               1,
 122        .vl_hsync_len =         5,
 123        .vl_left_margin =       1,
 124        .vl_right_margin =      33,
 125        .vl_vsync_len =         1,
 126        .vl_upper_margin =      1,
 127        .vl_lower_margin =      0,
 128        .mmio =                 ATMEL_BASE_LCDC,
 129};
 130
 131void lcd_enable(void)
 132{
 133        at91_set_pio_value(AT91_PIO_PORTA, 22, 0);  /* power up */
 134}
 135
 136void lcd_disable(void)
 137{
 138        at91_set_pio_value(AT91_PIO_PORTA, 22, 1);  /* power down */
 139}
 140
 141static void pm9261_lcd_hw_init(void)
 142{
 143        at91_set_a_periph(AT91_PIO_PORTB, 1, 0);        /* LCDHSYNC */
 144        at91_set_a_periph(AT91_PIO_PORTB, 2, 0);        /* LCDDOTCK */
 145        at91_set_a_periph(AT91_PIO_PORTB, 3, 0);        /* LCDDEN */
 146        at91_set_a_periph(AT91_PIO_PORTB, 4, 0);        /* LCDCC */
 147        at91_set_a_periph(AT91_PIO_PORTB, 7, 0);        /* LCDD2 */
 148        at91_set_a_periph(AT91_PIO_PORTB, 8, 0);        /* LCDD3 */
 149        at91_set_a_periph(AT91_PIO_PORTB, 9, 0);        /* LCDD4 */
 150        at91_set_a_periph(AT91_PIO_PORTB, 10, 0);       /* LCDD5 */
 151        at91_set_a_periph(AT91_PIO_PORTB, 11, 0);       /* LCDD6 */
 152        at91_set_a_periph(AT91_PIO_PORTB, 12, 0);       /* LCDD7 */
 153        at91_set_a_periph(AT91_PIO_PORTB, 15, 0);       /* LCDD10 */
 154        at91_set_a_periph(AT91_PIO_PORTB, 16, 0);       /* LCDD11 */
 155        at91_set_a_periph(AT91_PIO_PORTB, 17, 0);       /* LCDD12 */
 156        at91_set_a_periph(AT91_PIO_PORTB, 18, 0);       /* LCDD13 */
 157        at91_set_a_periph(AT91_PIO_PORTB, 19, 0);       /* LCDD14 */
 158        at91_set_a_periph(AT91_PIO_PORTB, 20, 0);       /* LCDD15 */
 159        at91_set_b_periph(AT91_PIO_PORTB, 23, 0);       /* LCDD18 */
 160        at91_set_b_periph(AT91_PIO_PORTB, 24, 0);       /* LCDD19 */
 161        at91_set_b_periph(AT91_PIO_PORTB, 25, 0);       /* LCDD20 */
 162        at91_set_b_periph(AT91_PIO_PORTB, 26, 0);       /* LCDD21 */
 163        at91_set_b_periph(AT91_PIO_PORTB, 27, 0);       /* LCDD22 */
 164        at91_set_b_periph(AT91_PIO_PORTB, 28, 0);       /* LCDD23 */
 165
 166        at91_system_clk_enable(AT91_PMC_HCK1);
 167
 168        gd->fb_base = ATMEL_BASE_SRAM;
 169}
 170
 171#ifdef CONFIG_LCD_INFO
 172#include <nand.h>
 173#include <version.h>
 174
 175extern flash_info_t flash_info[];
 176
 177void lcd_show_board_info(void)
 178{
 179        ulong dram_size, nand_size, flash_size;
 180        int i;
 181        char temp[32];
 182
 183        lcd_printf ("%s\n", U_BOOT_VERSION);
 184        lcd_printf ("(C) 2009 Ronetix GmbH\n");
 185        lcd_printf ("support@ronetix.at\n");
 186        lcd_printf ("%s CPU at %s MHz",
 187                CONFIG_SYS_AT91_CPU_NAME,
 188                strmhz(temp, get_cpu_clk_rate()));
 189
 190        dram_size = 0;
 191        for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
 192                dram_size += gd->bd->bi_dram[i].size;
 193
 194        nand_size = 0;
 195        for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
 196                nand_size += get_nand_dev_by_index(i)->size;
 197
 198        flash_size = 0;
 199        for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
 200                flash_size += flash_info[i].size;
 201
 202        lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
 203                        "%ld MB DataFlash\n",
 204                dram_size >> 20,
 205                nand_size >> 20,
 206                flash_size >> 20);
 207}
 208#endif /* CONFIG_LCD_INFO */
 209
 210#endif /* CONFIG_LCD */
 211
 212int board_early_init_f(void)
 213{
 214        return 0;
 215}
 216
 217int board_init(void)
 218{
 219        /* arch number of PM9261-Board */
 220        gd->bd->bi_arch_number = MACH_TYPE_PM9261;
 221
 222        /* adress of boot parameters */
 223        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 224
 225#ifdef CONFIG_CMD_NAND
 226        pm9261_nand_hw_init();
 227#endif
 228#ifdef CONFIG_DRIVER_DM9000
 229        pm9261_dm9000_hw_init();
 230#endif
 231#ifdef CONFIG_LCD
 232        pm9261_lcd_hw_init();
 233#endif
 234        return 0;
 235}
 236
 237#ifdef CONFIG_DRIVER_DM9000
 238int board_eth_init(bd_t *bis)
 239{
 240        return dm9000_initialize(bis);
 241}
 242#endif
 243
 244int dram_init(void)
 245{
 246        /* dram_init must store complete ramsize in gd->ram_size */
 247        gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
 248                                PHYS_SDRAM_SIZE);
 249        return 0;
 250}
 251
 252int dram_init_banksize(void)
 253{
 254        gd->bd->bi_dram[0].start = PHYS_SDRAM;
 255        gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
 256
 257        return 0;
 258}
 259
 260#ifdef CONFIG_RESET_PHY_R
 261void reset_phy(void)
 262{
 263#ifdef CONFIG_DRIVER_DM9000
 264        /*
 265         * Initialize ethernet HW addr prior to starting Linux,
 266         * needed for nfsroot
 267         */
 268        eth_init();
 269#endif
 270}
 271#endif
 272
 273#ifdef CONFIG_DISPLAY_BOARDINFO
 274int checkboard (void)
 275{
 276        char buf[32];
 277
 278        printf ("Board : Ronetix PM9261\n");
 279        printf ("Crystal frequency: %8s MHz\n",
 280                                        strmhz(buf, get_main_clk_rate()));
 281        printf ("CPU clock        : %8s MHz\n",
 282                                        strmhz(buf, get_cpu_clk_rate()));
 283        printf ("Master clock     : %8s MHz\n",
 284                                        strmhz(buf, get_mck_clk_rate()));
 285
 286        return 0;
 287}
 288#endif
 289