/* * linux/arch/arm/mach-omap2/board-am3517evm.c * * Copyright (C) 2009 Texas Instruments Incorporated * Author: Ranjith Lohithakshan * * Based on mach-omap2/board-omap3evm.c * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation version 2. * * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, * whether express or implied; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mux.h" #define AM35XX_EVM_PHY_MASK (0xF) #define AM35XX_EVM_MDIO_FREQUENCY (1000000) static struct emac_platform_data am3517_evm_emac_pdata = { .phy_mask = AM35XX_EVM_PHY_MASK, .mdio_max_freq = AM35XX_EVM_MDIO_FREQUENCY, .rmii_en = 1, }; static struct resource am3517_emac_resources[] = { { .start = AM35XX_IPSS_EMAC_BASE, .end = AM35XX_IPSS_EMAC_BASE + 0x3FFFF, .flags = IORESOURCE_MEM, }, { .start = INT_35XX_EMAC_C0_RXTHRESH_IRQ, .end = INT_35XX_EMAC_C0_RXTHRESH_IRQ, .flags = IORESOURCE_IRQ, }, { .start = INT_35XX_EMAC_C0_RX_PULSE_IRQ, .end = INT_35XX_EMAC_C0_RX_PULSE_IRQ, .flags = IORESOURCE_IRQ, }, { .start = INT_35XX_EMAC_C0_TX_PULSE_IRQ, .end = INT_35XX_EMAC_C0_TX_PULSE_IRQ, .flags = IORESOURCE_IRQ, }, { .start = INT_35XX_EMAC_C0_MISC_PULSE_IRQ, .end = INT_35XX_EMAC_C0_MISC_PULSE_IRQ, .flags = IORESOURCE_IRQ, }, }; static struct platform_device am3517_emac_device = { .name = "davinci_emac", .id = -1, .num_resources = ARRAY_SIZE(am3517_emac_resources), .resource = am3517_emac_resources, }; static void am3517_enable_ethernet_int(void) { u32 regval; regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR | AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR); omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); } static void am3517_disable_ethernet_int(void) { u32 regval; regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); regval = (regval | AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR); omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); } void am3517_evm_ethernet_init(struct emac_platform_data *pdata) { unsigned int regval; pdata->ctrl_reg_offset = AM35XX_EMAC_CNTRL_OFFSET; pdata->ctrl_mod_reg_offset = AM35XX_EMAC_CNTRL_MOD_OFFSET; pdata->ctrl_ram_offset = AM35XX_EMAC_CNTRL_RAM_OFFSET; pdata->mdio_reg_offset = AM35XX_EMAC_MDIO_OFFSET; pdata->ctrl_ram_size = AM35XX_EMAC_CNTRL_RAM_SIZE; pdata->version = EMAC_VERSION_2; pdata->hw_ram_addr = AM35XX_EMAC_HW_RAM_ADDR; pdata->interrupt_enable = am3517_enable_ethernet_int; pdata->interrupt_disable = am3517_disable_ethernet_int; am3517_emac_device.dev.platform_data = pdata; platform_device_register(&am3517_emac_device); regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); regval = regval & (~(AM35XX_CPGMACSS_SW_RST)); omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); return ; } #define LCD_PANEL_PWR 176 #define LCD_PANEL_BKLIGHT_PWR 182 #define LCD_PANEL_PWM 181 static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = { { I2C_BOARD_INFO("s35390a", 0x30), .type = "s35390a", }, }; /* * RTC - S35390A */ #define GPIO_RTCS35390A_IRQ 55 static void __init am3517_evm_rtc_init(void) { int r; omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP); r = gpio_request(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq"); if (r < 0) { printk(KERN_WARNING "failed to request GPIO#%d\n", GPIO_RTCS35390A_IRQ); return; } r = gpio_direction_input(GPIO_RTCS35390A_IRQ); if (r < 0) { printk(KERN_WARNING "GPIO#%d cannot be configured as input\n", GPIO_RTCS35390A_IRQ); gpio_free(GPIO_RTCS35390A_IRQ); return; } am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ); } /* * I2C GPIO Expander - TCA6416 */ /* Mounted on Base-Board */ static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = { .gpio_base = OMAP_MAX_GPIO_LINES, }; static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = { { I2C_BOARD_INFO("tca6416", 0x21), .platform_data = &am3517evm_gpio_expander_info_0, }, }; /* Mounted on UI Card */ static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = { .gpio_base = OMAP_MAX_GPIO_LINES + 16, }; static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = { .gpio_base = OMAP_MAX_GPIO_LINES + 32, }; static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = { { I2C_BOARD_INFO("tca6416", 0x20), .platform_data = &am3517evm_ui_gpio_expander_info_1, }, { I2C_BOARD_INFO("tca6416", 0x21), .platform_data = &am3517evm_ui_gpio_expander_info_2, }, }; static int __init am3517_evm_i2c_init(void) { omap_register_i2c_bus(1, 400, NULL, 0); omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo, ARRAY_SIZE(am3517evm_i2c2_boardinfo)); omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo, ARRAY_SIZE(am3517evm_i2c3_boardinfo)); return 0; } static int lcd_enabled; static int dvi_enabled; #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE) static void __init am3517_evm_display_init(void) { int r; omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP); omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN); omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN); /* * Enable GPIO 182 = LCD Backlight Power */ r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr"); if (r) { printk(KERN_ERR "failed to get lcd_backlight_pwr\n"); return; } gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1); /* * Enable GPIO 181 = LCD Panel PWM */ r = gpio_request(LCD_PANEL_PWM, "lcd_pwm"); if (r) { printk(KERN_ERR "failed to get lcd_pwm\n"); goto err_1; } gpio_direction_output(LCD_PANEL_PWM, 1); /* * Enable GPIO 176 = LCD Panel Power enable pin */ r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr"); if (r) { printk(KERN_ERR "failed to get lcd_panel_pwr\n"); goto err_2; } gpio_direction_output(LCD_PANEL_PWR, 1); printk(KERN_INFO "Display initialized successfully\n"); return; err_2: gpio_free(LCD_PANEL_PWM); err_1: gpio_free(LCD_PANEL_BKLIGHT_PWR); } #else static void __init am3517_evm_display_init(void) {} #endif static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev) { if (dvi_enabled) { printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); return -EINVAL; } gpio_set_value(LCD_PANEL_PWR, 1); lcd_enabled = 1; return 0; } static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev) { gpio_set_value(LCD_PANEL_PWR, 0); lcd_enabled = 0; } static struct omap_dss_device am3517_evm_lcd_device = { .type = OMAP_DISPLAY_TYPE_DPI, .name = "lcd", .driver_name = "sharp_lq_panel", .phy.dpi.data_lines = 16, .platform_enable = am3517_evm_panel_enable_lcd, .platform_disable = am3517_evm_panel_disable_lcd, }; static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev) { return 0; } static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev) { } static struct omap_dss_device am3517_evm_tv_device = { .type = OMAP_DISPLAY_TYPE_VENC, .name = "tv", .driver_name = "venc", .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, .platform_enable = am3517_evm_panel_enable_tv, .platform_disable = am3517_evm_panel_disable_tv, }; static int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev) { if (lcd_enabled) { printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); return -EINVAL; } dvi_enabled = 1; return 0; } static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev) { dvi_enabled = 0; } static struct omap_dss_device am3517_evm_dvi_device = { .type = OMAP_DISPLAY_TYPE_DPI, .name = "dvi", .driver_name = "generic_panel", .phy.dpi.data_lines = 24, .platform_enable = am3517_evm_panel_enable_dvi, .platform_disable = am3517_evm_panel_disable_dvi, }; static struct omap_dss_device *am3517_evm_dss_devices[] = { &am3517_evm_lcd_device, &am3517_evm_tv_device, &am3517_evm_dvi_device, }; static struct omap_dss_board_info am3517_evm_dss_data = { .num_devices = ARRAY_SIZE(am3517_evm_dss_devices), .devices = am3517_evm_dss_devices, .default_device = &am3517_evm_lcd_device, }; struct platform_device am3517_evm_dss_device = { .name = "omapdss", .id = -1, .dev = { .platform_data = &am3517_evm_dss_data, }, }; /* * Board initialization */ static struct omap_board_config_kernel am3517_evm_config[] __initdata = { }; static struct platform_device *am3517_evm_devices[] __initdata = { &am3517_evm_dss_device, }; static void __init am3517_evm_init_irq(void) { omap_board_config = am3517_evm_config; omap_board_config_size = ARRAY_SIZE(am3517_evm_config); omap2_init_common_hw(NULL, NULL); omap_init_irq(); omap_gpio_init(); } static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_ULPI, .mode = MUSB_OTG, .power = 500, }; static __init void am3517_evm_musb_init(void) { u32 devconf2; /* * Set up USB clock/mode in the DEVCONF2 register. */ devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); /* USB2.0 PHY reference clock is 13 MHz */ devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE); devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN | CONF2_DATPOL; omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); usb_musb_init(&musb_board_data); } static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE) .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, #else .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, #endif .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, .phy_reset = true, .reset_gpio_port[0] = 57, .reset_gpio_port[1] = -EINVAL, .reset_gpio_port[2] = -EINVAL }; #ifdef CONFIG_OMAP_MUX static struct omap_board_mux board_mux[] __initdata = { /* USB OTG DRVVBUS offset = 0x212 */ OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN), { .reg_offset = OMAP_MUX_TERMINATOR }, }; #else #define board_mux NULL #endif static struct resource am3517_hecc_resources[] = { { .start = AM35XX_IPSS_HECC_BASE, .end = AM35XX_IPSS_HECC_BASE + 0x3FFF, .flags = IORESOURCE_MEM, }, { .start = INT_35XX_HECC0_IRQ, .end = INT_35XX_HECC0_IRQ, .flags = IORESOURCE_IRQ, }, }; static struct platform_device am3517_hecc_device = { .name = "ti_hecc", .id = -1, .num_resources = ARRAY_SIZE(am3517_hecc_resources), .resource = am3517_hecc_resources, }; static struct ti_hecc_platform_data am3517_evm_hecc_pdata = { .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET, .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET, .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET, .mbx_offset = AM35XX_HECC_MBOX_OFFSET, .int_line = AM35XX_HECC_INT_LINE, .version = AM35XX_HECC_VERSION, }; static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata) { am3517_hecc_device.dev.platform_data = pdata; platform_device_register(&am3517_hecc_device); } static void __init am3517_evm_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); am3517_evm_i2c_init(); platform_add_devices(am3517_evm_devices, ARRAY_SIZE(am3517_evm_devices)); omap_serial_init(); /* Configure GPIO for EHCI port */ omap_mux_init_gpio(57, OMAP_PIN_OUTPUT); usb_ehci_init(&ehci_pdata); am3517_evm_hecc_init(&am3517_evm_hecc_pdata); /* DSS */ am3517_evm_display_init(); /* RTC - S35390A */ am3517_evm_rtc_init(); i2c_register_board_info(1, am3517evm_i2c1_boardinfo, ARRAY_SIZE(am3517evm_i2c1_boardinfo)); /*Ethernet*/ am3517_evm_ethernet_init(&am3517_evm_emac_pdata); /* MUSB */ am3517_evm_musb_init(); } MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM") .phys_io = 0x48000000, .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap3_map_io, .reserve = omap_reserve, .init_irq = am3517_evm_init_irq, .init_machine = am3517_evm_init, .timer = &omap_timer, MACHINE_END