1ffe16911SAsh Charles /* 2ffe16911SAsh Charles * (C) Copyright 2013 3ffe16911SAsh Charles * Gumstix Inc. <www.gumstix.com> 4ffe16911SAsh Charles * Maintainer: Ash Charles <ash@gumstix.com> 5ffe16911SAsh Charles * 6ffe16911SAsh Charles * SPDX-License-Identifier: GPL-2.0+ 7ffe16911SAsh Charles */ 8ffe16911SAsh Charles #include <common.h> 9ffe16911SAsh Charles #include <netdev.h> 10ffe16911SAsh Charles #include <asm/arch/sys_proto.h> 11ffe16911SAsh Charles #include <asm/arch/mmc_host_def.h> 12ffe16911SAsh Charles #include <twl6030.h> 13ffe16911SAsh Charles #include <asm/emif.h> 14ffe16911SAsh Charles #include <asm/arch/clock.h> 15ffe16911SAsh Charles #include <asm/arch/gpio.h> 16ffe16911SAsh Charles #include <asm/gpio.h> 17ffe16911SAsh Charles 18ffe16911SAsh Charles #include "duovero_mux_data.h" 19ffe16911SAsh Charles 20ffe16911SAsh Charles #define WIFI_EN 43 21ffe16911SAsh Charles 22ffe16911SAsh Charles #if defined(CONFIG_CMD_NET) 23ffe16911SAsh Charles #define SMSC_NRESET 45 24ffe16911SAsh Charles static void setup_net_chip(void); 25ffe16911SAsh Charles #endif 26ffe16911SAsh Charles 27ffe16911SAsh Charles #ifdef CONFIG_USB_EHCI 28ffe16911SAsh Charles #include <usb.h> 29ffe16911SAsh Charles #include <asm/arch/ehci.h> 30ffe16911SAsh Charles #include <asm/ehci-omap.h> 31ffe16911SAsh Charles #endif 32ffe16911SAsh Charles 33ffe16911SAsh Charles DECLARE_GLOBAL_DATA_PTR; 34ffe16911SAsh Charles 35ffe16911SAsh Charles const struct omap_sysinfo sysinfo = { 36ffe16911SAsh Charles "Board: duovero\n" 37ffe16911SAsh Charles }; 38ffe16911SAsh Charles 39ffe16911SAsh Charles struct omap4_scrm_regs *const scrm = (struct omap4_scrm_regs *)0x4a30a000; 40ffe16911SAsh Charles 41ffe16911SAsh Charles /** 42ffe16911SAsh Charles * @brief board_init 43ffe16911SAsh Charles * 44ffe16911SAsh Charles * @return 0 45ffe16911SAsh Charles */ 46ffe16911SAsh Charles int board_init(void) 47ffe16911SAsh Charles { 48ffe16911SAsh Charles gpmc_init(); 49ffe16911SAsh Charles 50ffe16911SAsh Charles gd->bd->bi_arch_number = MACH_TYPE_OMAP4_DUOVERO; 51ffe16911SAsh Charles gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 52ffe16911SAsh Charles 53ffe16911SAsh Charles return 0; 54ffe16911SAsh Charles } 55ffe16911SAsh Charles 56ffe16911SAsh Charles /** 57ffe16911SAsh Charles * @brief misc_init_r - Configure board specific configurations 58ffe16911SAsh Charles * such as power configurations, ethernet initialization as phase2 of 59ffe16911SAsh Charles * boot sequence 60ffe16911SAsh Charles * 61ffe16911SAsh Charles * @return 0 62ffe16911SAsh Charles */ 63ffe16911SAsh Charles int misc_init_r(void) 64ffe16911SAsh Charles { 65ffe16911SAsh Charles int ret = 0; 66ffe16911SAsh Charles u8 val; 67ffe16911SAsh Charles 68ffe16911SAsh Charles /* wifi setup: first enable 32Khz clock from 6030 pmic */ 69ffe16911SAsh Charles val = 0xe1; 70ffe16911SAsh Charles ret = i2c_write(TWL6030_CHIP_PM, 0xbe, 1, &val, 1); 71ffe16911SAsh Charles if (ret) 72ffe16911SAsh Charles printf("Failed to enable 32Khz clock to wifi module\n"); 73ffe16911SAsh Charles 74ffe16911SAsh Charles /* then setup WIFI_EN as an output pin and send reset pulse */ 75ffe16911SAsh Charles if (!gpio_request(WIFI_EN, "")) { 76ffe16911SAsh Charles gpio_direction_output(WIFI_EN, 0); 77ffe16911SAsh Charles gpio_set_value(WIFI_EN, 1); 78ffe16911SAsh Charles udelay(1); 79ffe16911SAsh Charles gpio_set_value(WIFI_EN, 0); 80ffe16911SAsh Charles udelay(1); 81ffe16911SAsh Charles gpio_set_value(WIFI_EN, 1); 82ffe16911SAsh Charles } 83ffe16911SAsh Charles 84ffe16911SAsh Charles #if defined(CONFIG_CMD_NET) 85ffe16911SAsh Charles setup_net_chip(); 86ffe16911SAsh Charles #endif 87ffe16911SAsh Charles return 0; 88ffe16911SAsh Charles } 89ffe16911SAsh Charles 903ef56e61SPaul Kocialkowski void set_muxconf_regs(void) 91ffe16911SAsh Charles { 92ffe16911SAsh Charles do_set_mux((*ctrl)->control_padconf_core_base, 93ffe16911SAsh Charles core_padconf_array_essential, 94ffe16911SAsh Charles sizeof(core_padconf_array_essential) / 95ffe16911SAsh Charles sizeof(struct pad_conf_entry)); 96ffe16911SAsh Charles 97ffe16911SAsh Charles do_set_mux((*ctrl)->control_padconf_wkup_base, 98ffe16911SAsh Charles wkup_padconf_array_essential, 99ffe16911SAsh Charles sizeof(wkup_padconf_array_essential) / 100ffe16911SAsh Charles sizeof(struct pad_conf_entry)); 101ffe16911SAsh Charles 102ffe16911SAsh Charles do_set_mux((*ctrl)->control_padconf_core_base, 103ffe16911SAsh Charles core_padconf_array_non_essential, 104ffe16911SAsh Charles sizeof(core_padconf_array_non_essential) / 105ffe16911SAsh Charles sizeof(struct pad_conf_entry)); 106ffe16911SAsh Charles 107ffe16911SAsh Charles do_set_mux((*ctrl)->control_padconf_wkup_base, 108ffe16911SAsh Charles wkup_padconf_array_non_essential, 109ffe16911SAsh Charles sizeof(wkup_padconf_array_non_essential) / 110ffe16911SAsh Charles sizeof(struct pad_conf_entry)); 111ffe16911SAsh Charles } 112ffe16911SAsh Charles 113ffe16911SAsh Charles #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) 114ffe16911SAsh Charles int board_mmc_init(bd_t *bis) 115ffe16911SAsh Charles { 116ffe16911SAsh Charles return omap_mmc_init(0, 0, 0, -1, -1); 117ffe16911SAsh Charles } 118ffe16911SAsh Charles 119fbf1b08aSPaul Kocialkowski void board_mmc_power_init(void) 120fbf1b08aSPaul Kocialkowski { 121fbf1b08aSPaul Kocialkowski twl6030_power_mmc_init(0); 122fbf1b08aSPaul Kocialkowski } 123fbf1b08aSPaul Kocialkowski #endif 124ffe16911SAsh Charles 125ffe16911SAsh Charles #if defined(CONFIG_CMD_NET) 126ffe16911SAsh Charles 127ffe16911SAsh Charles #define GPMC_SIZE_16M 0xF 128ffe16911SAsh Charles #define GPMC_BASEADDR_MASK 0x3F 129ffe16911SAsh Charles #define GPMC_CS_ENABLE 0x1 130ffe16911SAsh Charles 131*0568dd06SLadislav Michl static void enable_gpmc_net_config(const u32 *gpmc_config, const struct gpmc_cs *cs, 132ffe16911SAsh Charles u32 base, u32 size) 133ffe16911SAsh Charles { 134ffe16911SAsh Charles writel(0, &cs->config7); 135ffe16911SAsh Charles sdelay(1000); 136ffe16911SAsh Charles /* Delay for settling */ 137ffe16911SAsh Charles writel(gpmc_config[0], &cs->config1); 138ffe16911SAsh Charles writel(gpmc_config[1], &cs->config2); 139ffe16911SAsh Charles writel(gpmc_config[2], &cs->config3); 140ffe16911SAsh Charles writel(gpmc_config[3], &cs->config4); 141ffe16911SAsh Charles writel(gpmc_config[4], &cs->config5); 142ffe16911SAsh Charles writel(gpmc_config[5], &cs->config6); 143ffe16911SAsh Charles 144ffe16911SAsh Charles /* 145ffe16911SAsh Charles * Enable the config. size is the CS size and goes in 146ffe16911SAsh Charles * bits 11:8. We set bit 6 to enable this CS and the base 147ffe16911SAsh Charles * address goes into bits 5:0. 148ffe16911SAsh Charles */ 149ffe16911SAsh Charles writel((size << 8) | (GPMC_CS_ENABLE << 6) | 150ffe16911SAsh Charles ((base >> 24) & GPMC_BASEADDR_MASK), 151ffe16911SAsh Charles &cs->config7); 152ffe16911SAsh Charles 153ffe16911SAsh Charles sdelay(2000); 154ffe16911SAsh Charles } 155ffe16911SAsh Charles 156ffe16911SAsh Charles /* GPMC CS configuration for an SMSC LAN9221 ethernet controller */ 157ffe16911SAsh Charles #define NET_LAN9221_GPMC_CONFIG1 0x2a001203 158ffe16911SAsh Charles #define NET_LAN9221_GPMC_CONFIG2 0x000a0a02 159ffe16911SAsh Charles #define NET_LAN9221_GPMC_CONFIG3 0x00020200 160ffe16911SAsh Charles #define NET_LAN9221_GPMC_CONFIG4 0x0a030a03 161ffe16911SAsh Charles #define NET_LAN9221_GPMC_CONFIG5 0x000a0a0a 162ffe16911SAsh Charles #define NET_LAN9221_GPMC_CONFIG6 0x8a070707 163ffe16911SAsh Charles #define NET_LAN9221_GPMC_CONFIG7 0x00000f6c 164ffe16911SAsh Charles 165ffe16911SAsh Charles /* GPMC definitions for LAN9221 chips on expansion boards */ 166ffe16911SAsh Charles static const u32 gpmc_lan_config[] = { 167ffe16911SAsh Charles NET_LAN9221_GPMC_CONFIG1, 168ffe16911SAsh Charles NET_LAN9221_GPMC_CONFIG2, 169ffe16911SAsh Charles NET_LAN9221_GPMC_CONFIG3, 170ffe16911SAsh Charles NET_LAN9221_GPMC_CONFIG4, 171ffe16911SAsh Charles NET_LAN9221_GPMC_CONFIG5, 172ffe16911SAsh Charles NET_LAN9221_GPMC_CONFIG6, 173ffe16911SAsh Charles /*CONFIG7- computed as params */ 174ffe16911SAsh Charles }; 175ffe16911SAsh Charles 176ffe16911SAsh Charles /* 177ffe16911SAsh Charles * Routine: setup_net_chip 178ffe16911SAsh Charles * Description: Setting up the configuration GPMC registers specific to the 179ffe16911SAsh Charles * Ethernet hardware. 180ffe16911SAsh Charles */ 181ffe16911SAsh Charles static void setup_net_chip(void) 182ffe16911SAsh Charles { 183ffe16911SAsh Charles enable_gpmc_net_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000, 184ffe16911SAsh Charles GPMC_SIZE_16M); 185ffe16911SAsh Charles 186ffe16911SAsh Charles /* Make GPIO SMSC_NRESET as output pin and send reset pulse */ 187ffe16911SAsh Charles if (!gpio_request(SMSC_NRESET, "")) { 188ffe16911SAsh Charles gpio_direction_output(SMSC_NRESET, 0); 189ffe16911SAsh Charles gpio_set_value(SMSC_NRESET, 1); 190ffe16911SAsh Charles udelay(1); 191ffe16911SAsh Charles gpio_set_value(SMSC_NRESET, 0); 192ffe16911SAsh Charles udelay(1); 193ffe16911SAsh Charles gpio_set_value(SMSC_NRESET, 1); 194ffe16911SAsh Charles } 195ffe16911SAsh Charles } 196ffe16911SAsh Charles #endif 197ffe16911SAsh Charles 198ffe16911SAsh Charles int board_eth_init(bd_t *bis) 199ffe16911SAsh Charles { 200ffe16911SAsh Charles int rc = 0; 201ffe16911SAsh Charles #ifdef CONFIG_SMC911X 202ffe16911SAsh Charles rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 203ffe16911SAsh Charles #endif 204ffe16911SAsh Charles return rc; 205ffe16911SAsh Charles } 206ffe16911SAsh Charles 207ffe16911SAsh Charles #ifdef CONFIG_USB_EHCI 208ffe16911SAsh Charles 209ffe16911SAsh Charles static struct omap_usbhs_board_data usbhs_bdata = { 210ffe16911SAsh Charles .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, 211ffe16911SAsh Charles .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, 212ffe16911SAsh Charles .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, 213ffe16911SAsh Charles }; 214ffe16911SAsh Charles 215ffe16911SAsh Charles int ehci_hcd_init(int index, enum usb_init_type init, 216ffe16911SAsh Charles struct ehci_hccr **hccr, struct ehci_hcor **hcor) 217ffe16911SAsh Charles { 218ffe16911SAsh Charles int ret; 219ffe16911SAsh Charles unsigned int utmi_clk; 220ffe16911SAsh Charles u32 auxclk, altclksrc; 221ffe16911SAsh Charles 222ffe16911SAsh Charles /* Now we can enable our port clocks */ 223ffe16911SAsh Charles utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL); 224ffe16911SAsh Charles utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK; 225ffe16911SAsh Charles setbits_le32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, utmi_clk); 226ffe16911SAsh Charles 227ffe16911SAsh Charles auxclk = readl(&scrm->auxclk3); 228ffe16911SAsh Charles /* Select sys_clk */ 229ffe16911SAsh Charles auxclk &= ~AUXCLK_SRCSELECT_MASK; 230ffe16911SAsh Charles auxclk |= AUXCLK_SRCSELECT_SYS_CLK << AUXCLK_SRCSELECT_SHIFT; 231ffe16911SAsh Charles /* Set the divisor to 2 */ 232ffe16911SAsh Charles auxclk &= ~AUXCLK_CLKDIV_MASK; 233ffe16911SAsh Charles auxclk |= AUXCLK_CLKDIV_2 << AUXCLK_CLKDIV_SHIFT; 234ffe16911SAsh Charles /* Request auxilary clock #3 */ 235ffe16911SAsh Charles auxclk |= AUXCLK_ENABLE_MASK; 236ffe16911SAsh Charles writel(auxclk, &scrm->auxclk3); 237ffe16911SAsh Charles 238ffe16911SAsh Charles altclksrc = readl(&scrm->altclksrc); 239ffe16911SAsh Charles 240ffe16911SAsh Charles /* Activate alternate system clock supplier */ 241ffe16911SAsh Charles altclksrc &= ~ALTCLKSRC_MODE_MASK; 242ffe16911SAsh Charles altclksrc |= ALTCLKSRC_MODE_ACTIVE; 243ffe16911SAsh Charles 244ffe16911SAsh Charles /* enable clocks */ 245ffe16911SAsh Charles altclksrc |= ALTCLKSRC_ENABLE_INT_MASK | ALTCLKSRC_ENABLE_EXT_MASK; 246ffe16911SAsh Charles 247ffe16911SAsh Charles writel(altclksrc, &scrm->altclksrc); 248ffe16911SAsh Charles 249ffe16911SAsh Charles ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); 250ffe16911SAsh Charles if (ret < 0) 251ffe16911SAsh Charles return ret; 252ffe16911SAsh Charles 253ffe16911SAsh Charles return 0; 254ffe16911SAsh Charles } 255ffe16911SAsh Charles 256ffe16911SAsh Charles int ehci_hcd_stop(int index) 257ffe16911SAsh Charles { 258ffe16911SAsh Charles return omap_ehci_hcd_stop(); 259ffe16911SAsh Charles } 260ffe16911SAsh Charles #endif 261ffe16911SAsh Charles 262ffe16911SAsh Charles /* 263ffe16911SAsh Charles * get_board_rev() - get board revision 264ffe16911SAsh Charles */ 265ffe16911SAsh Charles u32 get_board_rev(void) 266ffe16911SAsh Charles { 267ffe16911SAsh Charles return 0x20; 268ffe16911SAsh Charles } 269