1 /* 2 * (C) Copyright 2013 3 * Gumstix Inc. <www.gumstix.com> 4 * Maintainer: Ash Charles <ash@gumstix.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 #include <common.h> 9 #include <netdev.h> 10 #include <asm/arch/sys_proto.h> 11 #include <asm/arch/mmc_host_def.h> 12 #include <twl6030.h> 13 #include <asm/emif.h> 14 #include <asm/arch/clock.h> 15 #include <asm/arch/gpio.h> 16 #include <asm/gpio.h> 17 18 #include "duovero_mux_data.h" 19 20 #define WIFI_EN 43 21 22 #if defined(CONFIG_CMD_NET) 23 #define SMSC_NRESET 45 24 static void setup_net_chip(void); 25 #endif 26 27 #ifdef CONFIG_USB_EHCI_HCD 28 #include <usb.h> 29 #include <asm/arch/ehci.h> 30 #include <asm/ehci-omap.h> 31 #endif 32 33 DECLARE_GLOBAL_DATA_PTR; 34 35 const struct omap_sysinfo sysinfo = { 36 "Board: duovero\n" 37 }; 38 39 struct omap4_scrm_regs *const scrm = (struct omap4_scrm_regs *)0x4a30a000; 40 41 /** 42 * @brief board_init 43 * 44 * @return 0 45 */ 46 int board_init(void) 47 { 48 gpmc_init(); 49 50 gd->bd->bi_arch_number = MACH_TYPE_DUOVERO; 51 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 52 53 return 0; 54 } 55 56 /** 57 * @brief misc_init_r - Configure board specific configurations 58 * such as power configurations, ethernet initialization as phase2 of 59 * boot sequence 60 * 61 * @return 0 62 */ 63 int misc_init_r(void) 64 { 65 int ret = 0; 66 u8 val; 67 68 /* wifi setup: first enable 32Khz clock from 6030 pmic */ 69 val = 0xe1; 70 ret = i2c_write(TWL6030_CHIP_PM, 0xbe, 1, &val, 1); 71 if (ret) 72 printf("Failed to enable 32Khz clock to wifi module\n"); 73 74 /* then setup WIFI_EN as an output pin and send reset pulse */ 75 if (!gpio_request(WIFI_EN, "")) { 76 gpio_direction_output(WIFI_EN, 0); 77 gpio_set_value(WIFI_EN, 1); 78 udelay(1); 79 gpio_set_value(WIFI_EN, 0); 80 udelay(1); 81 gpio_set_value(WIFI_EN, 1); 82 } 83 84 #if defined(CONFIG_CMD_NET) 85 setup_net_chip(); 86 #endif 87 return 0; 88 } 89 90 void set_muxconf_regs(void) 91 { 92 do_set_mux((*ctrl)->control_padconf_core_base, 93 core_padconf_array_essential, 94 sizeof(core_padconf_array_essential) / 95 sizeof(struct pad_conf_entry)); 96 97 do_set_mux((*ctrl)->control_padconf_wkup_base, 98 wkup_padconf_array_essential, 99 sizeof(wkup_padconf_array_essential) / 100 sizeof(struct pad_conf_entry)); 101 102 do_set_mux((*ctrl)->control_padconf_core_base, 103 core_padconf_array_non_essential, 104 sizeof(core_padconf_array_non_essential) / 105 sizeof(struct pad_conf_entry)); 106 107 do_set_mux((*ctrl)->control_padconf_wkup_base, 108 wkup_padconf_array_non_essential, 109 sizeof(wkup_padconf_array_non_essential) / 110 sizeof(struct pad_conf_entry)); 111 } 112 113 #if defined(CONFIG_MMC) 114 int board_mmc_init(bd_t *bis) 115 { 116 return omap_mmc_init(0, 0, 0, -1, -1); 117 } 118 119 #if !defined(CONFIG_SPL_BUILD) 120 void board_mmc_power_init(void) 121 { 122 twl6030_power_mmc_init(0); 123 } 124 #endif 125 #endif 126 127 #if defined(CONFIG_CMD_NET) 128 129 #define GPMC_SIZE_16M 0xF 130 #define GPMC_BASEADDR_MASK 0x3F 131 #define GPMC_CS_ENABLE 0x1 132 133 static void enable_gpmc_net_config(const u32 *gpmc_config, const struct gpmc_cs *cs, 134 u32 base, u32 size) 135 { 136 writel(0, &cs->config7); 137 sdelay(1000); 138 /* Delay for settling */ 139 writel(gpmc_config[0], &cs->config1); 140 writel(gpmc_config[1], &cs->config2); 141 writel(gpmc_config[2], &cs->config3); 142 writel(gpmc_config[3], &cs->config4); 143 writel(gpmc_config[4], &cs->config5); 144 writel(gpmc_config[5], &cs->config6); 145 146 /* 147 * Enable the config. size is the CS size and goes in 148 * bits 11:8. We set bit 6 to enable this CS and the base 149 * address goes into bits 5:0. 150 */ 151 writel((size << 8) | (GPMC_CS_ENABLE << 6) | 152 ((base >> 24) & GPMC_BASEADDR_MASK), 153 &cs->config7); 154 155 sdelay(2000); 156 } 157 158 /* GPMC CS configuration for an SMSC LAN9221 ethernet controller */ 159 #define NET_LAN9221_GPMC_CONFIG1 0x2a001203 160 #define NET_LAN9221_GPMC_CONFIG2 0x000a0a02 161 #define NET_LAN9221_GPMC_CONFIG3 0x00020200 162 #define NET_LAN9221_GPMC_CONFIG4 0x0a030a03 163 #define NET_LAN9221_GPMC_CONFIG5 0x000a0a0a 164 #define NET_LAN9221_GPMC_CONFIG6 0x8a070707 165 #define NET_LAN9221_GPMC_CONFIG7 0x00000f6c 166 167 /* GPMC definitions for LAN9221 chips on expansion boards */ 168 static const u32 gpmc_lan_config[] = { 169 NET_LAN9221_GPMC_CONFIG1, 170 NET_LAN9221_GPMC_CONFIG2, 171 NET_LAN9221_GPMC_CONFIG3, 172 NET_LAN9221_GPMC_CONFIG4, 173 NET_LAN9221_GPMC_CONFIG5, 174 NET_LAN9221_GPMC_CONFIG6, 175 /*CONFIG7- computed as params */ 176 }; 177 178 /* 179 * Routine: setup_net_chip 180 * Description: Setting up the configuration GPMC registers specific to the 181 * Ethernet hardware. 182 */ 183 static void setup_net_chip(void) 184 { 185 enable_gpmc_net_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000, 186 GPMC_SIZE_16M); 187 188 /* Make GPIO SMSC_NRESET as output pin and send reset pulse */ 189 if (!gpio_request(SMSC_NRESET, "")) { 190 gpio_direction_output(SMSC_NRESET, 0); 191 gpio_set_value(SMSC_NRESET, 1); 192 udelay(1); 193 gpio_set_value(SMSC_NRESET, 0); 194 udelay(1); 195 gpio_set_value(SMSC_NRESET, 1); 196 } 197 } 198 #endif 199 200 int board_eth_init(bd_t *bis) 201 { 202 int rc = 0; 203 #ifdef CONFIG_SMC911X 204 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 205 #endif 206 return rc; 207 } 208 209 #ifdef CONFIG_USB_EHCI_HCD 210 211 static struct omap_usbhs_board_data usbhs_bdata = { 212 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, 213 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, 214 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, 215 }; 216 217 int ehci_hcd_init(int index, enum usb_init_type init, 218 struct ehci_hccr **hccr, struct ehci_hcor **hcor) 219 { 220 int ret; 221 unsigned int utmi_clk; 222 u32 auxclk, altclksrc; 223 224 /* Now we can enable our port clocks */ 225 utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL); 226 utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK; 227 setbits_le32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, utmi_clk); 228 229 auxclk = readl(&scrm->auxclk3); 230 /* Select sys_clk */ 231 auxclk &= ~AUXCLK_SRCSELECT_MASK; 232 auxclk |= AUXCLK_SRCSELECT_SYS_CLK << AUXCLK_SRCSELECT_SHIFT; 233 /* Set the divisor to 2 */ 234 auxclk &= ~AUXCLK_CLKDIV_MASK; 235 auxclk |= AUXCLK_CLKDIV_2 << AUXCLK_CLKDIV_SHIFT; 236 /* Request auxilary clock #3 */ 237 auxclk |= AUXCLK_ENABLE_MASK; 238 writel(auxclk, &scrm->auxclk3); 239 240 altclksrc = readl(&scrm->altclksrc); 241 242 /* Activate alternate system clock supplier */ 243 altclksrc &= ~ALTCLKSRC_MODE_MASK; 244 altclksrc |= ALTCLKSRC_MODE_ACTIVE; 245 246 /* enable clocks */ 247 altclksrc |= ALTCLKSRC_ENABLE_INT_MASK | ALTCLKSRC_ENABLE_EXT_MASK; 248 249 writel(altclksrc, &scrm->altclksrc); 250 251 ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); 252 if (ret < 0) 253 return ret; 254 255 return 0; 256 } 257 258 int ehci_hcd_stop(int index) 259 { 260 return omap_ehci_hcd_stop(); 261 } 262 #endif 263 264 /* 265 * get_board_rev() - get board revision 266 */ 267 u32 get_board_rev(void) 268 { 269 return 0x20; 270 } 271