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 <asm/gpio.h> 14 #include <asm/io.h> 15 #include <asm/arch/mem.h> 16 #include <asm/arch/mmc_host_def.h> 17 #include <asm/arch/mux.h> 18 #include <asm/arch/sys_proto.h> 19 #include <asm/mach-types.h> 20 #include "igep00x0.h" 21 22 DECLARE_GLOBAL_DATA_PTR; 23 24 #if defined(CONFIG_CMD_NET) 25 /* GPMC definitions for LAN9221 chips */ 26 static const u32 gpmc_lan_config[] = { 27 NET_LAN9221_GPMC_CONFIG1, 28 NET_LAN9221_GPMC_CONFIG2, 29 NET_LAN9221_GPMC_CONFIG3, 30 NET_LAN9221_GPMC_CONFIG4, 31 NET_LAN9221_GPMC_CONFIG5, 32 NET_LAN9221_GPMC_CONFIG6, 33 }; 34 #endif 35 36 static const struct ns16550_platdata igep_serial = { 37 OMAP34XX_UART3, 38 2, 39 V_NS16550_CLK 40 }; 41 42 U_BOOT_DEVICE(igep_uart) = { 43 "ns16550_serial", 44 &igep_serial 45 }; 46 47 /* 48 * Routine: board_init 49 * Description: Early hardware init. 50 */ 51 int board_init(void) 52 { 53 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ 54 /* boot param addr */ 55 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); 56 57 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) 58 status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); 59 #endif 60 61 return 0; 62 } 63 64 #ifdef CONFIG_SPL_BUILD 65 /* 66 * Routine: omap_rev_string 67 * Description: For SPL builds output board rev 68 */ 69 void omap_rev_string(void) 70 { 71 } 72 73 /* 74 * Routine: get_board_mem_timings 75 * Description: If we use SPL then there is no x-loader nor config header 76 * so we have to setup the DDR timings ourself on both banks. 77 */ 78 void get_board_mem_timings(struct board_sdrc_timings *timings) 79 { 80 timings->mr = MICRON_V_MR_165; 81 #ifdef CONFIG_BOOT_NAND 82 timings->mcfg = MICRON_V_MCFG_200(256 << 20); 83 timings->ctrla = MICRON_V_ACTIMA_200; 84 timings->ctrlb = MICRON_V_ACTIMB_200; 85 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz; 86 #else 87 if (get_cpu_family() == CPU_OMAP34XX) { 88 timings->mcfg = NUMONYX_V_MCFG_165(256 << 20); 89 timings->ctrla = NUMONYX_V_ACTIMA_165; 90 timings->ctrlb = NUMONYX_V_ACTIMB_165; 91 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; 92 93 } else { 94 timings->mcfg = NUMONYX_V_MCFG_200(256 << 20); 95 timings->ctrla = NUMONYX_V_ACTIMA_200; 96 timings->ctrlb = NUMONYX_V_ACTIMB_200; 97 timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz; 98 } 99 #endif 100 } 101 #endif 102 103 #if defined(CONFIG_CMD_NET) 104 105 static void reset_net_chip(int gpio) 106 { 107 if (!gpio_request(gpio, "eth nrst")) { 108 gpio_direction_output(gpio, 1); 109 udelay(1); 110 gpio_set_value(gpio, 0); 111 udelay(40); 112 gpio_set_value(gpio, 1); 113 mdelay(10); 114 } 115 } 116 117 /* 118 * Routine: setup_net_chip 119 * Description: Setting up the configuration GPMC registers specific to the 120 * Ethernet hardware. 121 */ 122 static void setup_net_chip(void) 123 { 124 struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; 125 126 enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 127 CONFIG_SMC911X_BASE, GPMC_SIZE_16M); 128 129 /* Enable off mode for NWE in PADCONF_GPMC_NWE register */ 130 writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe); 131 /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */ 132 writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe); 133 /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */ 134 writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00, 135 &ctrl_base->gpmc_nadv_ale); 136 137 reset_net_chip(64); 138 } 139 #else 140 static inline void setup_net_chip(void) {} 141 #endif 142 143 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) 144 int board_mmc_init(bd_t *bis) 145 { 146 return omap_mmc_init(0, 0, 0, -1, -1); 147 } 148 #endif 149 150 #if defined(CONFIG_GENERIC_MMC) 151 void board_mmc_power_init(void) 152 { 153 twl4030_power_mmc_init(0); 154 } 155 #endif 156 157 void set_fdt(void) 158 { 159 switch (gd->bd->bi_arch_number) { 160 case MACH_TYPE_IGEP0020: 161 setenv("fdtfile", "omap3-igep0020.dtb"); 162 break; 163 case MACH_TYPE_IGEP0030: 164 setenv("fdtfile", "omap3-igep0030.dtb"); 165 break; 166 } 167 } 168 169 /* 170 * Routine: misc_init_r 171 * Description: Configure board specific parts 172 */ 173 int misc_init_r(void) 174 { 175 twl4030_power_init(); 176 177 setup_net_chip(); 178 179 omap_die_id_display(); 180 181 set_fdt(); 182 183 return 0; 184 } 185 186 /* 187 * Routine: set_muxconf_regs 188 * Description: Setting up the configuration Mux registers specific to the 189 * hardware. Many pins need to be moved from protect to primary 190 * mode. 191 */ 192 void set_muxconf_regs(void) 193 { 194 MUX_DEFAULT(); 195 196 #if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0020) 197 MUX_IGEP0020(); 198 #endif 199 200 #if (CONFIG_MACH_TYPE == MACH_TYPE_IGEP0030) 201 MUX_IGEP0030(); 202 #endif 203 } 204 205 #if defined(CONFIG_CMD_NET) 206 int board_eth_init(bd_t *bis) 207 { 208 #ifdef CONFIG_SMC911X 209 return smc911x_initialize(0, CONFIG_SMC911X_BASE); 210 #else 211 return 0; 212 #endif 213 } 214 #endif 215