board/ronetix/pm9263/pm9263.c

   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-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   8  */
   9
  10 #include <common.h>
  11 #include <init.h>
  12 #include <asm/global_data.h>
  13 #include <linux/sizes.h>
  14 #include <asm/io.h>
  15 #include <asm/gpio.h>
  16 #include <asm/arch/at91sam9_smc.h>
  17 #include <asm/arch/at91_common.h>
  18 #include <asm/arch/at91_rstc.h>
  19 #include <asm/arch/at91_matrix.h>
  20 #include <asm/arch/clk.h>
  21 #include <asm/arch/gpio.h>
  22 #include <asm/mach-types.h>
  23
  24 DECLARE_GLOBAL_DATA_PTR;
  25
  26 /* ------------------------------------------------------------------------- */
  27 /*
  28  * Miscellaneous platform dependent initializations
  29  */
  30
  31 #ifdef CONFIG_CMD_NAND
  32 static void pm9263_nand_hw_init(void)
  33 {
  34         unsigned long csa;
  35         struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC0;
  36         struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
  37
  38         /* Enable CS3 */
  39         csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
  40         writel(csa, &matrix->csa[0]);
  41
  42         /* Configure SMC CS3 for NAND/SmartMedia */
  43         writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
  44                 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
  45                 &smc->cs[3].setup);
  46
  47         writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
  48                 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
  49                 &smc->cs[3].pulse);
  50
  51         writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
  52                 &smc->cs[3].cycle);
  53
  54         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
  55                 AT91_SMC_MODE_EXNW_DISABLE |
  56 #ifdef CONFIG_SYS_NAND_DBW_16
  57                 AT91_SMC_MODE_DBW_16 |
  58 #else /* CONFIG_SYS_NAND_DBW_8 */
  59                 AT91_SMC_MODE_DBW_8 |
  60 #endif
  61                 AT91_SMC_MODE_TDF_CYCLE(2),
  62                 &smc->cs[3].mode);
  63
  64         /* Configure RDY/BSY */
  65         gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
  66
  67         /* Enable NandFlash */
  68         gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  69 }
  70 #endif
  71
  72 int board_early_init_f(void)
  73 {
  74         return 0;
  75 }
  76
  77 int board_init(void)
  78 {
  79         /* arch number of PM9263 Board */
  80         gd->bd->bi_arch_number = MACH_TYPE_PM9263;
  81
  82         /* address of boot parameters */
  83         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
  84
  85 #ifdef CONFIG_CMD_NAND
  86         pm9263_nand_hw_init();
  87 #endif
  88 #ifdef CONFIG_USB_OHCI_NEW
  89         at91_uhp_hw_init();
  90 #endif
  91         return 0;
  92 }
  93
  94 int dram_init(void)
  95 {
  96         /* dram_init must store complete RAM size in gd->ram_size */
  97         gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
  98                                 PHYS_SDRAM_SIZE);
  99         return 0;
 100 }
 101
 102 int dram_init_banksize(void)
 103 {
 104         gd->bd->bi_dram[0].start = PHYS_SDRAM;
 105         gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
 106
 107         return 0;
 108 }
 109
 110 #ifdef CONFIG_DISPLAY_BOARDINFO
 111 int checkboard (void)
 112 {
 113         char *ss;
 114
 115         printf ("Board : Ronetix PM9263\n");
 116
 117         switch (gd->fb_base) {
 118         case PHYS_PSRAM:
 119                 ss = "(PSRAM)";
 120                 break;
 121
 122         case ATMEL_BASE_SRAM0:
 123                 ss = "(Internal SRAM)";
 124                 break;
 125
 126         default:
 127                 ss = "";
 128                 break;
 129         }
 130         printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
 131
 132         printf ("\n");
 133         return 0;
 134 }
 135 #endif