// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2011 * Logic Product Development * * Author : * Peter Barada * * Derived from Beagle Board and 3430 SDP code by * Richard Woodruff * Syed Mohammed Khasim */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "omap3logic.h" #ifdef CONFIG_USB_EHCI_HCD #include #include #endif DECLARE_GLOBAL_DATA_PTR; /* This is only needed until SPL gets OF support */ #ifdef CONFIG_SPL_BUILD static const struct ns16550_platdata omap3logic_serial = { .base = OMAP34XX_UART1, .reg_shift = 2, .clock = V_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }; U_BOOT_DEVICE(omap3logic_uart) = { "ns16550_serial", &omap3logic_serial }; static const struct omap_hsmmc_plat omap3_logic_mmc0_platdata = { .base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE, .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_4BIT, .cfg.f_min = 400000, .cfg.f_max = 52000000, .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195, .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT, }; U_BOOT_DEVICE(am335x_mmc0) = { .name = "omap_hsmmc", .platdata = &omap3_logic_mmc0_platdata, }; #endif #ifdef CONFIG_SPL_OS_BOOT int spl_start_uboot(void) { /* break into full u-boot on 'c' */ return serial_tstc() && serial_getc() == 'c'; } #endif #if defined(CONFIG_SPL_BUILD) /* * Routine: get_board_mem_timings * Description: If we use SPL then there is no x-loader nor config header * so we have to setup the DDR timings ourself on the first bank. This * provides the timing values back to the function that configures * the memory. */ void get_board_mem_timings(struct board_sdrc_timings *timings) { timings->mr = MICRON_V_MR_165; if (get_cpu_family() == CPU_OMAP36XX) { /* 200 MHz works for OMAP36/DM37 */ /* 256MB DDR */ timings->mcfg = MICRON_V_MCFG_200(256 << 20); timings->ctrla = MICRON_V_ACTIMA_200; timings->ctrlb = MICRON_V_ACTIMB_200; timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz; } else { /* 165 MHz works for OMAP35 */ timings->mcfg = MICRON_V_MCFG_165(256 << 20); timings->ctrla = MICRON_V_ACTIMA_165; timings->ctrlb = MICRON_V_ACTIMB_165; timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; } } #define GPMC_NAND_COMMAND_0 (OMAP34XX_GPMC_BASE + 0x7c) #define GPMC_NAND_DATA_0 (OMAP34XX_GPMC_BASE + 0x84) #define GPMC_NAND_ADDRESS_0 (OMAP34XX_GPMC_BASE + 0x80) void spl_board_prepare_for_linux(void) { /* The Micron NAND starts locked which * prohibits mounting the NAND as RW * The following commands are what unlocks * the NAND to become RW Falcon Mode does not * have as many smarts as U-Boot, but Logic PD * only makes NAND with 512MB so these hard coded * values should work for all current models */ writeb(0x70, GPMC_NAND_COMMAND_0); writeb(-1, GPMC_NAND_DATA_0); writeb(0x7a, GPMC_NAND_COMMAND_0); writeb(0x00, GPMC_NAND_ADDRESS_0); writeb(0x00, GPMC_NAND_ADDRESS_0); writeb(0x00, GPMC_NAND_ADDRESS_0); writeb(-1, GPMC_NAND_COMMAND_0); /* Begin address 0 */ writeb(NAND_CMD_UNLOCK1, 0x6e00007c); writeb(0x00, GPMC_NAND_ADDRESS_0); writeb(0x00, GPMC_NAND_ADDRESS_0); writeb(0x00, GPMC_NAND_ADDRESS_0); writeb(-1, GPMC_NAND_DATA_0); /* Ending address at the end of Flash */ writeb(NAND_CMD_UNLOCK2, GPMC_NAND_COMMAND_0); writeb(0xc0, GPMC_NAND_ADDRESS_0); writeb(0xff, GPMC_NAND_ADDRESS_0); writeb(0x03, GPMC_NAND_ADDRESS_0); writeb(-1, GPMC_NAND_DATA_0); writeb(0x79, GPMC_NAND_COMMAND_0); writeb(-1, GPMC_NAND_DATA_0); writeb(-1, GPMC_NAND_DATA_0); } #endif #if !CONFIG_IS_ENABLED(DM_USB) #ifdef CONFIG_USB_MUSB_OMAP2PLUS static struct musb_hdrc_config musb_config = { .multipoint = 1, .dyn_fifo = 1, .num_eps = 16, .ram_bits = 12, }; static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_ULPI, }; static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_HOST) .mode = MUSB_HOST, #elif defined(CONFIG_USB_MUSB_GADGET) .mode = MUSB_PERIPHERAL, #else #error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_MUSB_GADGET" #endif .config = &musb_config, .power = 100, .platform_ops = &omap2430_ops, .board_data = &musb_board_data, }; #endif #if defined(CONFIG_USB_EHCI_HCD) && !defined(CONFIG_SPL_BUILD) /* Call usb_stop() before starting the kernel */ void show_boot_progress(int val) { if (val == BOOTSTAGE_ID_RUN_OS) usb_stop(); } static struct omap_usbhs_board_data usbhs_bdata = { .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED }; int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); } int ehci_hcd_stop(int index) { return omap_ehci_hcd_stop(); } #endif /* CONFIG_USB_EHCI_HCD */ #endif /* !DM_USB*/ /* * Routine: misc_init_r * Description: Configure board specific parts */ int misc_init_r(void) { twl4030_power_init(); omap_die_id_display(); #if !CONFIG_IS_ENABLED(DM_USB) #ifdef CONFIG_USB_MUSB_OMAP2PLUS musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE); #endif #endif return 0; } /* * Routine: board_init * Description: Early hardware init. */ int board_init(void) { gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ /* boot param addr */ gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); return 0; } #ifdef CONFIG_BOARD_LATE_INIT static void unlock_nand(void) { int dev = nand_curr_device; struct mtd_info *mtd; mtd = get_nand_dev_by_index(dev); nand_unlock(mtd, 0, mtd->size, 0); } int board_late_init(void) { #ifdef CONFIG_CMD_NAND_LOCK_UNLOCK unlock_nand(); #endif return 0; } #endif #if defined(CONFIG_MMC) void board_mmc_power_init(void) { twl4030_power_mmc_init(0); } #endif #ifdef CONFIG_SMC911X /* GPMC CS1 settings for Logic SOM LV/Torpedo LAN92xx Ethernet chip */ static const u32 gpmc_lan92xx_config[] = { NET_LAN92XX_GPMC_CONFIG1, NET_LAN92XX_GPMC_CONFIG2, NET_LAN92XX_GPMC_CONFIG3, NET_LAN92XX_GPMC_CONFIG4, NET_LAN92XX_GPMC_CONFIG5, NET_LAN92XX_GPMC_CONFIG6, }; int board_eth_init(bd_t *bis) { enable_gpmc_cs_config(gpmc_lan92xx_config, &gpmc_cfg->cs[1], CONFIG_SMC911X_BASE, GPMC_SIZE_16M); return smc911x_initialize(0, CONFIG_SMC911X_BASE); } #endif