board/isee/igep00x0/igep00x0.c

   1 /*
   2  * (C) Copyright 2010
   3  * ISEE 2007 SL, <www.iseebcn.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7 #include <common.h>
   8 #include <status_led.h>
   9 #include <dm.h>
  10 #include <ns16550.h>
  11 #include <twl4030.h>
  12 #include <netdev.h>
  13 #include <spl.h>
  14 #include <asm/gpio.h>
  15 #include <asm/io.h>
  16 #include <asm/arch/mem.h>
  17 #include <asm/arch/mmc_host_def.h>
  18 #include <asm/arch/mux.h>
  19 #include <asm/arch/sys_proto.h>
  20 #include <asm/mach-types.h>
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/nand.h>
  23 #include <linux/mtd/onenand.h>
  24 #include <jffs2/load_kernel.h>
  25 #include <mtd_node.h>
  26 #include <fdt_support.h>
  27 #include "igep00x0.h"
  28
  29 static const struct ns16550_platdata igep_serial = {
  30         .base = OMAP34XX_UART3,
  31         .reg_shift = 2,
  32         .clock = V_NS16550_CLK,
  33         .fcr = UART_FCR_DEFVAL,
  34 };
  35
  36 U_BOOT_DEVICE(igep_uart) = {
  37         "ns16550_serial",
  38         &igep_serial
  39 };
  40
  41 int onenand_board_init(struct mtd_info *mtd)
  42 {
  43         if (gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND) {
  44                 struct onenand_chip *this = mtd->priv;
  45                 this->base = (void *)CONFIG_SYS_ONENAND_BASE;
  46                 return 0;
  47         }
  48         return 1;
  49 }
  50
  51 #if defined(CONFIG_CMD_NET)
  52 static void reset_net_chip(int gpio)
  53 {
  54         if (!gpio_request(gpio, "eth nrst")) {
  55                 gpio_direction_output(gpio, 1);
  56                 udelay(1);
  57                 gpio_set_value(gpio, 0);
  58                 udelay(40);
  59                 gpio_set_value(gpio, 1);
  60                 mdelay(10);
  61         }
  62 }
  63
  64 /*
  65  * Routine: setup_net_chip
  66  * Description: Setting up the configuration GPMC registers specific to the
  67  *              Ethernet hardware.
  68  */
  69 static void setup_net_chip(void)
  70 {
  71         struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
  72         static const u32 gpmc_lan_config[] = {
  73                 NET_LAN9221_GPMC_CONFIG1,
  74                 NET_LAN9221_GPMC_CONFIG2,
  75                 NET_LAN9221_GPMC_CONFIG3,
  76                 NET_LAN9221_GPMC_CONFIG4,
  77                 NET_LAN9221_GPMC_CONFIG5,
  78                 NET_LAN9221_GPMC_CONFIG6,
  79         };
  80
  81         enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
  82                         CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
  83
  84         /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
  85         writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
  86         /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
  87         writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
  88         /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
  89         writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
  90                 &ctrl_base->gpmc_nadv_ale);
  91
  92         reset_net_chip(64);
  93 }
  94
  95 int board_eth_init(bd_t *bis)
  96 {
  97 #ifdef CONFIG_SMC911X
  98         return smc911x_initialize(0, CONFIG_SMC911X_BASE);
  99 #else
 100         return 0;
 101 #endif
 102 }
 103 #else
 104 static inline void setup_net_chip(void) {}
 105 #endif
 106
 107 #ifdef CONFIG_OF_BOARD_SETUP
 108 static int ft_enable_by_compatible(void *blob, char *compat, int enable)
 109 {
 110         int off = fdt_node_offset_by_compatible(blob, -1, compat);
 111         if (off < 0)
 112                 return off;
 113
 114         if (enable)
 115                 fdt_status_okay(blob, off);
 116         else
 117                 fdt_status_disabled(blob, off);
 118
 119         return 0;
 120 }
 121
 122 int ft_board_setup(void *blob, bd_t *bd)
 123 {
 124 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
 125         static struct node_info nodes[] = {
 126                 { "ti,omap2-nand", MTD_DEV_TYPE_NAND, },
 127                 { "ti,omap2-onenand", MTD_DEV_TYPE_ONENAND, },
 128         };
 129
 130         fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 131 #endif
 132         ft_enable_by_compatible(blob, "ti,omap2-nand",
 133                                 gpmc_cs0_flash == MTD_DEV_TYPE_NAND);
 134         ft_enable_by_compatible(blob, "ti,omap2-onenand",
 135                                 gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND);
 136
 137         return 0;
 138 }
 139 #endif
 140
 141 void set_fdt(void)
 142 {
 143         switch (gd->bd->bi_arch_number) {
 144         case MACH_TYPE_IGEP0020:
 145                 env_set("fdtfile", "omap3-igep0020.dtb");
 146                 break;
 147         case MACH_TYPE_IGEP0030:
 148                 env_set("fdtfile", "omap3-igep0030.dtb");
 149                 break;
 150         }
 151 }
 152
 153 /*
 154  * Routine: misc_init_r
 155  * Description: Configure board specific parts
 156  */
 157 int misc_init_r(void)
 158 {
 159         twl4030_power_init();
 160
 161         setup_net_chip();
 162
 163         omap_die_id_display();
 164
 165         set_fdt();
 166
 167         return 0;
 168 }
 169
 170 void board_mtdparts_default(const char **mtdids, const char **mtdparts)
 171 {
 172         struct mtd_info *mtd = get_mtd_device(NULL, 0);
 173         if (mtd) {
 174                 static char ids[24];
 175                 static char parts[48];
 176                 const char *linux_name = "omap2-nand";
 177                 if (strncmp(mtd->name, "onenand0", 8) == 0)
 178                         linux_name = "omap2-onenand";
 179                 snprintf(ids, sizeof(ids), "%s=%s", mtd->name, linux_name);
 180                 snprintf(parts, sizeof(parts), "mtdparts=%s:%dk(SPL),-(UBI)",
 181                          linux_name, 4 * mtd->erasesize >> 10);
 182                 *mtdids = ids;
 183                 *mtdparts = parts;
 184         }
 185 }