177eea280SJavier Martinez Canillas /* 277eea280SJavier Martinez Canillas * (C) Copyright 2010 377eea280SJavier Martinez Canillas * ISEE 2007 SL, <www.iseebcn.com> 477eea280SJavier Martinez Canillas * 51a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 677eea280SJavier Martinez Canillas */ 777eea280SJavier Martinez Canillas #include <common.h> 8f3b4bc45SEnric Balletbo i Serra #include <status_led.h> 9b3f4ca11SSimon Glass #include <dm.h> 10b3f4ca11SSimon Glass #include <ns16550.h> 1177eea280SJavier Martinez Canillas #include <twl4030.h> 1277eea280SJavier Martinez Canillas #include <netdev.h> 13fe9f6289SLadislav Michl #include <spl.h> 1477eea280SJavier Martinez Canillas #include <asm/gpio.h> 1577eea280SJavier Martinez Canillas #include <asm/io.h> 1677eea280SJavier Martinez Canillas #include <asm/arch/mem.h> 1777eea280SJavier Martinez Canillas #include <asm/arch/mmc_host_def.h> 1877eea280SJavier Martinez Canillas #include <asm/arch/mux.h> 1977eea280SJavier Martinez Canillas #include <asm/arch/sys_proto.h> 20a5debaa3SLadislav Michl #include <linux/mtd/mtd.h> 21*6ae3900aSMasahiro Yamada #include <linux/mtd/rawnand.h> 2297ee7060SLadislav Michl #include <linux/mtd/onenand.h> 2397ee7060SLadislav Michl #include <jffs2/load_kernel.h> 24568b471eSLadislav Michl #include <mtd_node.h> 25568b471eSLadislav Michl #include <fdt_support.h> 2677eea280SJavier Martinez Canillas #include "igep00x0.h" 2777eea280SJavier Martinez Canillas 28b3f4ca11SSimon Glass static const struct ns16550_platdata igep_serial = { 292f6ed3b8SAdam Ford .base = OMAP34XX_UART3, 302f6ed3b8SAdam Ford .reg_shift = 2, 3117fa0326SHeiko Schocher .clock = V_NS16550_CLK, 3217fa0326SHeiko Schocher .fcr = UART_FCR_DEFVAL, 33b3f4ca11SSimon Glass }; 34b3f4ca11SSimon Glass 35b3f4ca11SSimon Glass U_BOOT_DEVICE(igep_uart) = { 36c7b9686dSThomas Chou "ns16550_serial", 37b3f4ca11SSimon Glass &igep_serial 38b3f4ca11SSimon Glass }; 39b3f4ca11SSimon Glass 40195dc231SPau Pajuelo /* 41195dc231SPau Pajuelo * Routine: get_board_revision 42195dc231SPau Pajuelo * Description: GPIO_28 and GPIO_129 are used to read board and revision from 43195dc231SPau Pajuelo * IGEP00x0 boards. First of all, it is necessary to reset USB transceiver from 44195dc231SPau Pajuelo * IGEP0030 in order to read GPIO_IGEP00X0_BOARD_DETECTION correctly, because 45195dc231SPau Pajuelo * this functionality is shared by USB HOST. 46195dc231SPau Pajuelo * Once USB reset is applied, U-boot configures these pins as input pullup to 47195dc231SPau Pajuelo * detect board and revision: 48195dc231SPau Pajuelo * IGEP0020-RF = 0b00 49195dc231SPau Pajuelo * IGEP0020-RC = 0b01 50195dc231SPau Pajuelo * IGEP0030-RG = 0b10 51195dc231SPau Pajuelo * IGEP0030-RE = 0b11 52195dc231SPau Pajuelo */ 53195dc231SPau Pajuelo static int get_board_revision(void) 54195dc231SPau Pajuelo { 55195dc231SPau Pajuelo int revision; 56195dc231SPau Pajuelo 57195dc231SPau Pajuelo gpio_request(IGEP0030_USB_TRANSCEIVER_RESET, 58195dc231SPau Pajuelo "igep0030_usb_transceiver_reset"); 59195dc231SPau Pajuelo gpio_direction_output(IGEP0030_USB_TRANSCEIVER_RESET, 0); 60195dc231SPau Pajuelo 61195dc231SPau Pajuelo gpio_request(GPIO_IGEP00X0_BOARD_DETECTION, "igep00x0_board_detection"); 62195dc231SPau Pajuelo gpio_direction_input(GPIO_IGEP00X0_BOARD_DETECTION); 63195dc231SPau Pajuelo revision = 2 * gpio_get_value(GPIO_IGEP00X0_BOARD_DETECTION); 64195dc231SPau Pajuelo gpio_free(GPIO_IGEP00X0_BOARD_DETECTION); 65195dc231SPau Pajuelo 66195dc231SPau Pajuelo gpio_request(GPIO_IGEP00X0_REVISION_DETECTION, 67195dc231SPau Pajuelo "igep00x0_revision_detection"); 68195dc231SPau Pajuelo gpio_direction_input(GPIO_IGEP00X0_REVISION_DETECTION); 69195dc231SPau Pajuelo revision = revision + gpio_get_value(GPIO_IGEP00X0_REVISION_DETECTION); 70195dc231SPau Pajuelo gpio_free(GPIO_IGEP00X0_REVISION_DETECTION); 71195dc231SPau Pajuelo 72195dc231SPau Pajuelo gpio_free(IGEP0030_USB_TRANSCEIVER_RESET); 73195dc231SPau Pajuelo 74195dc231SPau Pajuelo return revision; 75195dc231SPau Pajuelo } 76195dc231SPau Pajuelo 7797ee7060SLadislav Michl int onenand_board_init(struct mtd_info *mtd) 7897ee7060SLadislav Michl { 7997ee7060SLadislav Michl if (gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND) { 8097ee7060SLadislav Michl struct onenand_chip *this = mtd->priv; 8197ee7060SLadislav Michl this->base = (void *)CONFIG_SYS_ONENAND_BASE; 8297ee7060SLadislav Michl return 0; 8397ee7060SLadislav Michl } 8497ee7060SLadislav Michl return 1; 8597ee7060SLadislav Michl } 8697ee7060SLadislav Michl 8777eea280SJavier Martinez Canillas #if defined(CONFIG_CMD_NET) 886ed75ba7SLadislav Michl static void reset_net_chip(int gpio) 896ed75ba7SLadislav Michl { 906ed75ba7SLadislav Michl if (!gpio_request(gpio, "eth nrst")) { 916ed75ba7SLadislav Michl gpio_direction_output(gpio, 1); 926ed75ba7SLadislav Michl udelay(1); 936ed75ba7SLadislav Michl gpio_set_value(gpio, 0); 946ed75ba7SLadislav Michl udelay(40); 956ed75ba7SLadislav Michl gpio_set_value(gpio, 1); 966ed75ba7SLadislav Michl mdelay(10); 976ed75ba7SLadislav Michl } 986ed75ba7SLadislav Michl } 996ed75ba7SLadislav Michl 10077eea280SJavier Martinez Canillas /* 10177eea280SJavier Martinez Canillas * Routine: setup_net_chip 10277eea280SJavier Martinez Canillas * Description: Setting up the configuration GPMC registers specific to the 10377eea280SJavier Martinez Canillas * Ethernet hardware. 10477eea280SJavier Martinez Canillas */ 10577eea280SJavier Martinez Canillas static void setup_net_chip(void) 10677eea280SJavier Martinez Canillas { 10777eea280SJavier Martinez Canillas struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; 108b0c47633SLadislav Michl static const u32 gpmc_lan_config[] = { 109b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG1, 110b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG2, 111b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG3, 112b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG4, 113b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG5, 114b0c47633SLadislav Michl NET_LAN9221_GPMC_CONFIG6, 115b0c47633SLadislav Michl }; 11677eea280SJavier Martinez Canillas 1176ed75ba7SLadislav Michl enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 1186ed75ba7SLadislav Michl CONFIG_SMC911X_BASE, GPMC_SIZE_16M); 11977eea280SJavier Martinez Canillas 12077eea280SJavier Martinez Canillas /* Enable off mode for NWE in PADCONF_GPMC_NWE register */ 12177eea280SJavier Martinez Canillas writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe); 12277eea280SJavier Martinez Canillas /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */ 12377eea280SJavier Martinez Canillas writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe); 12477eea280SJavier Martinez Canillas /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */ 12577eea280SJavier Martinez Canillas writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00, 12677eea280SJavier Martinez Canillas &ctrl_base->gpmc_nadv_ale); 12777eea280SJavier Martinez Canillas 1286ed75ba7SLadislav Michl reset_net_chip(64); 12977eea280SJavier Martinez Canillas } 130b0c47633SLadislav Michl 131b0c47633SLadislav Michl int board_eth_init(bd_t *bis) 132b0c47633SLadislav Michl { 133b0c47633SLadislav Michl #ifdef CONFIG_SMC911X 134b0c47633SLadislav Michl return smc911x_initialize(0, CONFIG_SMC911X_BASE); 135b0c47633SLadislav Michl #else 136b0c47633SLadislav Michl return 0; 137b0c47633SLadislav Michl #endif 138b0c47633SLadislav Michl } 13977eea280SJavier Martinez Canillas #else 14077eea280SJavier Martinez Canillas static inline void setup_net_chip(void) {} 14177eea280SJavier Martinez Canillas #endif 14277eea280SJavier Martinez Canillas 143568b471eSLadislav Michl #ifdef CONFIG_OF_BOARD_SETUP 144e4290aa1SLadislav Michl static int ft_enable_by_compatible(void *blob, char *compat, int enable) 145e4290aa1SLadislav Michl { 146e4290aa1SLadislav Michl int off = fdt_node_offset_by_compatible(blob, -1, compat); 147e4290aa1SLadislav Michl if (off < 0) 148e4290aa1SLadislav Michl return off; 149e4290aa1SLadislav Michl 150e4290aa1SLadislav Michl if (enable) 151e4290aa1SLadislav Michl fdt_status_okay(blob, off); 152e4290aa1SLadislav Michl else 153e4290aa1SLadislav Michl fdt_status_disabled(blob, off); 154e4290aa1SLadislav Michl 155e4290aa1SLadislav Michl return 0; 156e4290aa1SLadislav Michl } 157e4290aa1SLadislav Michl 158568b471eSLadislav Michl int ft_board_setup(void *blob, bd_t *bd) 159568b471eSLadislav Michl { 160568b471eSLadislav Michl #ifdef CONFIG_FDT_FIXUP_PARTITIONS 161568b471eSLadislav Michl static struct node_info nodes[] = { 162568b471eSLadislav Michl { "ti,omap2-nand", MTD_DEV_TYPE_NAND, }, 163568b471eSLadislav Michl { "ti,omap2-onenand", MTD_DEV_TYPE_ONENAND, }, 164568b471eSLadislav Michl }; 165568b471eSLadislav Michl 166568b471eSLadislav Michl fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); 167568b471eSLadislav Michl #endif 168e4290aa1SLadislav Michl ft_enable_by_compatible(blob, "ti,omap2-nand", 169e4290aa1SLadislav Michl gpmc_cs0_flash == MTD_DEV_TYPE_NAND); 170e4290aa1SLadislav Michl ft_enable_by_compatible(blob, "ti,omap2-onenand", 171e4290aa1SLadislav Michl gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND); 172e4290aa1SLadislav Michl 173568b471eSLadislav Michl return 0; 174568b471eSLadislav Michl } 175568b471eSLadislav Michl #endif 176568b471eSLadislav Michl 177195dc231SPau Pajuelo void set_led(void) 178a2fa28bcSJavier Martinez Canillas { 179195dc231SPau Pajuelo switch (get_board_revision()) { 180195dc231SPau Pajuelo case 0: 181195dc231SPau Pajuelo case 1: 182195dc231SPau Pajuelo gpio_request(IGEP0020_GPIO_LED, "igep0020_gpio_led"); 183195dc231SPau Pajuelo gpio_direction_output(IGEP0020_GPIO_LED, 1); 184a2fa28bcSJavier Martinez Canillas break; 185195dc231SPau Pajuelo case 2: 186195dc231SPau Pajuelo case 3: 187195dc231SPau Pajuelo gpio_request(IGEP0030_GPIO_LED, "igep0030_gpio_led"); 188195dc231SPau Pajuelo gpio_direction_output(IGEP0030_GPIO_LED, 0); 189195dc231SPau Pajuelo break; 190195dc231SPau Pajuelo default: 191195dc231SPau Pajuelo /* Should not happen... */ 192a2fa28bcSJavier Martinez Canillas break; 193a2fa28bcSJavier Martinez Canillas } 194a2fa28bcSJavier Martinez Canillas } 195a2fa28bcSJavier Martinez Canillas 196195dc231SPau Pajuelo void set_boardname(void) 197195dc231SPau Pajuelo { 198195dc231SPau Pajuelo char rev[5] = { 'F','C','G','E', }; 199195dc231SPau Pajuelo int i = get_board_revision(); 200195dc231SPau Pajuelo 201195dc231SPau Pajuelo rev[i+1] = 0; 202195dc231SPau Pajuelo env_set("board_rev", rev + i); 203195dc231SPau Pajuelo env_set("board_name", i < 2 ? "igep0020" : "igep0030"); 204195dc231SPau Pajuelo } 205195dc231SPau Pajuelo 20677eea280SJavier Martinez Canillas /* 20777eea280SJavier Martinez Canillas * Routine: misc_init_r 20877eea280SJavier Martinez Canillas * Description: Configure board specific parts 20977eea280SJavier Martinez Canillas */ 21077eea280SJavier Martinez Canillas int misc_init_r(void) 21177eea280SJavier Martinez Canillas { 212195dc231SPau Pajuelo t2_t *t2_base = (t2_t *)T2_BASE; 213195dc231SPau Pajuelo u32 pbias_lite; 214195dc231SPau Pajuelo 21577eea280SJavier Martinez Canillas twl4030_power_init(); 21677eea280SJavier Martinez Canillas 217195dc231SPau Pajuelo /* set VSIM to 1.8V */ 218195dc231SPau Pajuelo twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VSIM_DEDICATED, 219195dc231SPau Pajuelo TWL4030_PM_RECEIVER_VSIM_VSEL_18, 220195dc231SPau Pajuelo TWL4030_PM_RECEIVER_VSIM_DEV_GRP, 221195dc231SPau Pajuelo TWL4030_PM_RECEIVER_DEV_GRP_P1); 222195dc231SPau Pajuelo 223195dc231SPau Pajuelo /* set up dual-voltage GPIOs to 1.8V */ 224195dc231SPau Pajuelo pbias_lite = readl(&t2_base->pbias_lite); 225195dc231SPau Pajuelo pbias_lite &= ~PBIASLITEVMODE1; 226195dc231SPau Pajuelo pbias_lite |= PBIASLITEPWRDNZ1; 227195dc231SPau Pajuelo writel(pbias_lite, &t2_base->pbias_lite); 228195dc231SPau Pajuelo if (get_cpu_family() == CPU_OMAP36XX) 229195dc231SPau Pajuelo writel(readl(OMAP34XX_CTRL_WKUP_CTRL) | 230195dc231SPau Pajuelo OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ, 231195dc231SPau Pajuelo OMAP34XX_CTRL_WKUP_CTRL); 232195dc231SPau Pajuelo 23377eea280SJavier Martinez Canillas setup_net_chip(); 23477eea280SJavier Martinez Canillas 235679f82c3SPaul Kocialkowski omap_die_id_display(); 23677eea280SJavier Martinez Canillas 237195dc231SPau Pajuelo set_led(); 238195dc231SPau Pajuelo 239195dc231SPau Pajuelo set_boardname(); 240a2fa28bcSJavier Martinez Canillas 24177eea280SJavier Martinez Canillas return 0; 24277eea280SJavier Martinez Canillas } 24377eea280SJavier Martinez Canillas 244a5debaa3SLadislav Michl void board_mtdparts_default(const char **mtdids, const char **mtdparts) 245a5debaa3SLadislav Michl { 246a5debaa3SLadislav Michl struct mtd_info *mtd = get_mtd_device(NULL, 0); 247a5debaa3SLadislav Michl if (mtd) { 248a5debaa3SLadislav Michl static char ids[24]; 249a5debaa3SLadislav Michl static char parts[48]; 250a5debaa3SLadislav Michl const char *linux_name = "omap2-nand"; 251a5debaa3SLadislav Michl if (strncmp(mtd->name, "onenand0", 8) == 0) 252a5debaa3SLadislav Michl linux_name = "omap2-onenand"; 253a5debaa3SLadislav Michl snprintf(ids, sizeof(ids), "%s=%s", mtd->name, linux_name); 254a5debaa3SLadislav Michl snprintf(parts, sizeof(parts), "mtdparts=%s:%dk(SPL),-(UBI)", 255a5debaa3SLadislav Michl linux_name, 4 * mtd->erasesize >> 10); 256a5debaa3SLadislav Michl *mtdids = ids; 257a5debaa3SLadislav Michl *mtdparts = parts; 258a5debaa3SLadislav Michl } 259a5debaa3SLadislav Michl } 260