diff options
Diffstat (limited to 'qemu/roms/u-boot/board/siemens/rut/board.c')
| -rw-r--r-- | qemu/roms/u-boot/board/siemens/rut/board.c | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/siemens/rut/board.c b/qemu/roms/u-boot/board/siemens/rut/board.c new file mode 100644 index 000000000..e0ada3f6a --- /dev/null +++ b/qemu/roms/u-boot/board/siemens/rut/board.c @@ -0,0 +1,470 @@ +/* + * Board functions for TI AM335X based rut board + * (C) Copyright 2013 Siemens Schweiz AG + * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * Based on: + * u-boot:/board/ti/am335x/board.c + * + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <spi.h> +#include <spl.h> +#include <asm/arch/cpu.h> +#include <asm/arch/hardware.h> +#include <asm/arch/omap.h> +#include <asm/arch/ddr_defs.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc_host_def.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> +#include <asm/emif.h> +#include <asm/gpio.h> +#include <i2c.h> +#include <miiphy.h> +#include <cpsw.h> +#include <video.h> +#include <watchdog.h> +#include "board.h" +#include "../common/factoryset.h" +#include "../../../drivers/video/da8xx-fb.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Read header information from EEPROM into global structure. + */ +static int read_eeprom(void) +{ + return 0; +} + +#ifdef CONFIG_SPL_BUILD +static void board_init_ddr(void) +{ +struct emif_regs rut_ddr3_emif_reg_data = { + .sdram_config = 0x61C04AB2, + .sdram_tim1 = 0x0888A39B, + .sdram_tim2 = 0x26337FDA, + .sdram_tim3 = 0x501F830F, + .emif_ddr_phy_ctlr_1 = 0x6, + .zq_config = 0x50074BE4, + .ref_ctrl = 0x93B, +}; + +struct ddr_data rut_ddr3_data = { + .datardsratio0 = 0x3b, + .datawdsratio0 = 0x85, + .datafwsratio0 = 0x100, + .datawrsratio0 = 0xc1, +}; + +struct cmd_control rut_ddr3_cmd_ctrl_data = { + .cmd0csratio = 0x40, + .cmd0iclkout = 1, + .cmd1csratio = 0x40, + .cmd1iclkout = 1, + .cmd2csratio = 0x40, + .cmd2iclkout = 1, +}; + +const struct ctrl_ioregs ioregs = { + .cm0ioctl = RUT_IOCTRL_VAL, + .cm1ioctl = RUT_IOCTRL_VAL, + .cm2ioctl = RUT_IOCTRL_VAL, + .dt0ioctl = RUT_IOCTRL_VAL, + .dt1ioctl = RUT_IOCTRL_VAL, +}; + + config_ddr(DDR_PLL_FREQ, &ioregs, &rut_ddr3_data, + &rut_ddr3_cmd_ctrl_data, &rut_ddr3_emif_reg_data, 0); +} + +static int request_and_pulse_reset(int gpio, const char *name) +{ + int ret; + const int delay_us = 2000; /* 2ms */ + + ret = gpio_request(gpio, name); + if (ret < 0) { + printf("%s: Unable to request %s\n", __func__, name); + goto err; + } + + ret = gpio_direction_output(gpio, 0); + if (ret < 0) { + printf("%s: Unable to set %s as output\n", __func__, name); + goto err_free_gpio; + } + + udelay(delay_us); + + gpio_set_value(gpio, 1); + + return 0; + +err_free_gpio: + gpio_free(gpio); +err: + return ret; +} + +#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio)) +#define ETH_PHY_RESET_GPIO GPIO_TO_PIN(2, 18) +#define MAXTOUCH_RESET_GPIO GPIO_TO_PIN(3, 18) +#define DISPLAY_RESET_GPIO GPIO_TO_PIN(3, 19) + +#define REQUEST_AND_PULSE_RESET(N) \ + request_and_pulse_reset(N, #N); + +static void spl_siemens_board_init(void) +{ + REQUEST_AND_PULSE_RESET(ETH_PHY_RESET_GPIO); + REQUEST_AND_PULSE_RESET(MAXTOUCH_RESET_GPIO); + REQUEST_AND_PULSE_RESET(DISPLAY_RESET_GPIO); +} +#endif /* if def CONFIG_SPL_BUILD */ + +#if defined(CONFIG_DRIVER_TI_CPSW) +static void cpsw_control(int enabled) +{ + /* VTP can be added here */ + + return; +} + +static struct cpsw_slave_data cpsw_slaves[] = { + { + .slave_reg_ofs = 0x208, + .sliver_reg_ofs = 0xd80, + .phy_addr = 1, + .phy_if = PHY_INTERFACE_MODE_RMII, + }, + { + .slave_reg_ofs = 0x308, + .sliver_reg_ofs = 0xdc0, + .phy_addr = 0, + .phy_if = PHY_INTERFACE_MODE_RMII, + }, +}; + +static struct cpsw_platform_data cpsw_data = { + .mdio_base = CPSW_MDIO_BASE, + .cpsw_base = CPSW_BASE, + .mdio_div = 0xff, + .channels = 8, + .cpdma_reg_ofs = 0x800, + .slaves = 1, + .slave_data = cpsw_slaves, + .ale_reg_ofs = 0xd00, + .ale_entries = 1024, + .host_port_reg_ofs = 0x108, + .hw_stats_reg_ofs = 0x900, + .bd_ram_ofs = 0x2000, + .mac_control = (1 << 5), + .control = cpsw_control, + .host_port_num = 0, + .version = CPSW_CTRL_VERSION_2, +}; + +#if defined(CONFIG_DRIVER_TI_CPSW) || \ + (defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) +int board_eth_init(bd_t *bis) +{ + struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; + int n = 0; + int rv; + +#ifndef CONFIG_SPL_BUILD + factoryset_setenv(); +#endif + + /* Set rgmii mode and enable rmii clock to be sourced from chip */ + writel((RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE), &cdev->miisel); + + rv = cpsw_register(&cpsw_data); + if (rv < 0) + printf("Error %d registering CPSW switch\n", rv); + else + n += rv; + return n; +} +#endif /* #if defined(CONFIG_DRIVER_TI_CPSW) */ +#endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) */ + +#if defined(CONFIG_HW_WATCHDOG) +static bool hw_watchdog_init_done; +static int hw_watchdog_trigger_level; + +void hw_watchdog_reset(void) +{ + if (!hw_watchdog_init_done) + return; + + hw_watchdog_trigger_level = hw_watchdog_trigger_level ? 0 : 1; + gpio_set_value(WATCHDOG_TRIGGER_GPIO, hw_watchdog_trigger_level); +} + +void hw_watchdog_init(void) +{ + gpio_request(WATCHDOG_TRIGGER_GPIO, "watchdog_trigger"); + gpio_direction_output(WATCHDOG_TRIGGER_GPIO, hw_watchdog_trigger_level); + + hw_watchdog_reset(); + + hw_watchdog_init_done = 1; +} +#endif /* defined(CONFIG_HW_WATCHDOG) */ + +#if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD) +static struct da8xx_panel lcd_panels[] = { + /* FORMIKE, 4.3", 480x800, KWH043MC17-F01 */ + [0] = { + .name = "KWH043MC17-F01", + .width = 480, + .height = 800, + .hfp = 50, /* no spec, "don't care" values */ + .hbp = 50, + .hsw = 50, + .vfp = 50, + .vbp = 50, + .vsw = 50, + .pxl_clk = 35910000, /* tCYCD=20ns, max 50MHz, 60fps */ + .invert_pxl_clk = 1, + }, + /* FORMIKE, 4.3", 480x800, KWH043ST20-F01 */ + [1] = { + .name = "KWH043ST20-F01", + .width = 480, + .height = 800, + .hfp = 50, /* no spec, "don't care" values */ + .hbp = 50, + .hsw = 50, + .vfp = 50, + .vbp = 50, + .vsw = 50, + .pxl_clk = 35910000, /* tCYCD=20ns, max 50MHz, 60fps */ + .invert_pxl_clk = 1, + }, + /* Multi-Inno, 4.3", 480x800, MI0430VT-1 */ + [2] = { + .name = "MI0430VT-1", + .width = 480, + .height = 800, + .hfp = 50, /* no spec, "don't care" values */ + .hbp = 50, + .hsw = 50, + .vfp = 50, + .vbp = 50, + .vsw = 50, + .pxl_clk = 35910000, /* tCYCD=20ns, max 50MHz, 60fps */ + .invert_pxl_clk = 1, + }, +}; + +static const struct display_panel disp_panels[] = { + [0] = { + WVGA, + 16, /* RGB 888 */ + 16, + COLOR_ACTIVE, + }, + [1] = { + WVGA, + 16, /* RGB 888 */ + 16, + COLOR_ACTIVE, + }, + [2] = { + WVGA, + 24, /* RGB 888 */ + 16, + COLOR_ACTIVE, + }, +}; + +static const struct lcd_ctrl_config lcd_cfgs[] = { + [0] = { + &disp_panels[0], + .ac_bias = 255, + .ac_bias_intrpt = 0, + .dma_burst_sz = 16, + .bpp = 16, + .fdd = 0x80, + .tft_alt_mode = 0, + .stn_565_mode = 0, + .mono_8bit_mode = 0, + .invert_line_clock = 1, + .invert_frm_clock = 1, + .sync_edge = 0, + .sync_ctrl = 1, + .raster_order = 0, + }, + [1] = { + &disp_panels[1], + .ac_bias = 255, + .ac_bias_intrpt = 0, + .dma_burst_sz = 16, + .bpp = 16, + .fdd = 0x80, + .tft_alt_mode = 0, + .stn_565_mode = 0, + .mono_8bit_mode = 0, + .invert_line_clock = 1, + .invert_frm_clock = 1, + .sync_edge = 0, + .sync_ctrl = 1, + .raster_order = 0, + }, + [2] = { + &disp_panels[2], + .ac_bias = 255, + .ac_bias_intrpt = 0, + .dma_burst_sz = 16, + .bpp = 24, + .fdd = 0x80, + .tft_alt_mode = 0, + .stn_565_mode = 0, + .mono_8bit_mode = 0, + .invert_line_clock = 1, + .invert_frm_clock = 1, + .sync_edge = 0, + .sync_ctrl = 1, + .raster_order = 0, + }, + +}; + +/* no console on this board */ +int board_cfb_skip(void) +{ + return 1; +} + +#define PLL_GET_M(v) ((v >> 8) & 0x7ff) +#define PLL_GET_N(v) (v & 0x7f) + +static struct dpll_regs dpll_lcd_regs = { + .cm_clkmode_dpll = CM_WKUP + 0x98, + .cm_idlest_dpll = CM_WKUP + 0x48, + .cm_clksel_dpll = CM_WKUP + 0x54, +}; + +static int get_clk(struct dpll_regs *dpll_regs) +{ + unsigned int val; + unsigned int m, n; + int f = 0; + + val = readl(dpll_regs->cm_clksel_dpll); + m = PLL_GET_M(val); + n = PLL_GET_N(val); + f = (m * V_OSCK) / n; + + return f; +}; + +int clk_get(int clk) +{ + return get_clk(&dpll_lcd_regs); +}; + +static int conf_disp_pll(int m, int n) +{ + struct cm_perpll *cmper = (struct cm_perpll *)CM_PER; + struct dpll_params dpll_lcd = {m, n, -1, -1, -1, -1, -1}; +#if defined(DISPL_PLL_SPREAD_SPECTRUM) + struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP; +#endif + + u32 *const clk_domains[] = { + &cmper->lcdclkctrl, + 0 + }; + u32 *const clk_modules_explicit_en[] = { + &cmper->lcdclkctrl, + &cmper->lcdcclkstctrl, + &cmper->spi1clkctrl, + 0 + }; + do_enable_clocks(clk_domains, clk_modules_explicit_en, 1); + + do_setup_dpll(&dpll_lcd_regs, &dpll_lcd); + +#if defined(DISPL_PLL_SPREAD_SPECTRUM) + writel(0x64, &cmwkup->resv6[3]); /* 0x50 */ + writel(0x800, &cmwkup->resv6[2]); /* 0x4c */ + writel(readl(&cmwkup->clkmoddplldisp) | (1 << 12), + &cmwkup->clkmoddplldisp); /* 0x98 */ +#endif + return 0; +} + +static int set_gpio(int gpio, int state) +{ + gpio_request(gpio, "temp"); + gpio_direction_output(gpio, state); + gpio_set_value(gpio, state); + gpio_free(gpio); + return 0; +} + +static int enable_lcd(void) +{ + unsigned char buf[1]; + + set_gpio(BOARD_LCD_RESET, 0); + mdelay(1); + set_gpio(BOARD_LCD_RESET, 1); + mdelay(1); + + /* spi lcd init */ + kwh043st20_f01_spi_startup(1, 0, 5000000, SPI_MODE_0); + + /* backlight on */ + buf[0] = 0xf; + i2c_write(0x24, 0x7, 1, buf, 1); + buf[0] = 0x3f; + i2c_write(0x24, 0x8, 1, buf, 1); + return 0; +} + +int arch_early_init_r(void) +{ + enable_lcd(); + return 0; +} + +static int board_video_init(void) +{ + int i; + int anzdisp = ARRAY_SIZE(lcd_panels); + int display = 1; + + for (i = 0; i < anzdisp; i++) { + if (strncmp((const char *)factory_dat.disp_name, + lcd_panels[i].name, + strlen((const char *)factory_dat.disp_name)) == 0) { + printf("DISPLAY: %s\n", factory_dat.disp_name); + break; + } + } + if (i == anzdisp) { + i = 1; + printf("%s: %s not found, using default %s\n", __func__, + factory_dat.disp_name, lcd_panels[i].name); + } + conf_disp_pll(24, 1); + da8xx_video_init(&lcd_panels[display], &lcd_cfgs[display], + lcd_cfgs[display].bpp); + + return 0; +} +#endif /* ifdef CONFIG_VIDEO */ +#include "../common/board.c" |