diff options
Diffstat (limited to 'roms/u-boot/board/aristainetos/aristainetos.c')
| -rw-r--r-- | roms/u-boot/board/aristainetos/aristainetos.c | 550 |
1 files changed, 550 insertions, 0 deletions
diff --git a/roms/u-boot/board/aristainetos/aristainetos.c b/roms/u-boot/board/aristainetos/aristainetos.c new file mode 100644 index 000000000..f13fa1163 --- /dev/null +++ b/roms/u-boot/board/aristainetos/aristainetos.c @@ -0,0 +1,550 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2014 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * Based on: + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam <fabio.estevam@freescale.com> + */ + +#include <command.h> +#include <image.h> +#include <init.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/global_data.h> +#include <linux/errno.h> +#include <asm/gpio.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/boot_mode.h> +#include <asm/mach-imx/video.h> +#include <asm/arch/crm_regs.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <bmp_logo.h> +#include <dm/root.h> +#include <env.h> +#include <env_internal.h> +#include <i2c_eeprom.h> +#include <i2c.h> +#include <micrel.h> +#include <miiphy.h> +#include <lcd.h> +#include <led.h> +#include <power/pmic.h> +#include <power/regulator.h> +#include <power/da9063_pmic.h> +#include <splash.h> +#include <video_fb.h> + +DECLARE_GLOBAL_DATA_PTR; + +enum { + BOARD_TYPE_4 = 4, + BOARD_TYPE_7 = 7, +}; + +#define ARI_BT_4 "aristainetos2_4@2" +#define ARI_BT_7 "aristainetos2_7@1" + +int board_phy_config(struct phy_device *phydev) +{ + /* control data pad skew - devaddr = 0x02, register = 0x04 */ + ksz9031_phy_extended_write(phydev, 0x02, + MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, + MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); + /* rx data pad skew - devaddr = 0x02, register = 0x05 */ + ksz9031_phy_extended_write(phydev, 0x02, + MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW, + MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); + /* tx data pad skew - devaddr = 0x02, register = 0x06 */ + ksz9031_phy_extended_write(phydev, 0x02, + MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW, + MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); + /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */ + ksz9031_phy_extended_write(phydev, 0x02, + MII_KSZ9031_EXT_RGMII_CLOCK_SKEW, + MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +static int rotate_logo_one(unsigned char *out, unsigned char *in) +{ + int i, j; + + for (i = 0; i < BMP_LOGO_WIDTH; i++) + for (j = 0; j < BMP_LOGO_HEIGHT; j++) + out[j * BMP_LOGO_WIDTH + BMP_LOGO_HEIGHT - 1 - i] = + in[i * BMP_LOGO_WIDTH + j]; + return 0; +} + +/* + * Rotate the BMP_LOGO (only) + * Will only work, if the logo is square, as + * BMP_LOGO_HEIGHT and BMP_LOGO_WIDTH are defines, not variables + */ +void rotate_logo(int rotations) +{ + unsigned char out_logo[BMP_LOGO_WIDTH * BMP_LOGO_HEIGHT]; + struct bmp_header *header; + unsigned char *in_logo; + int i, j; + + if (BMP_LOGO_WIDTH != BMP_LOGO_HEIGHT) + return; + + header = (struct bmp_header *)bmp_logo_bitmap; + in_logo = bmp_logo_bitmap + header->data_offset; + + /* one 90 degree rotation */ + if (rotations == 1 || rotations == 2 || rotations == 3) + rotate_logo_one(out_logo, in_logo); + + /* second 90 degree rotation */ + if (rotations == 2 || rotations == 3) + rotate_logo_one(in_logo, out_logo); + + /* third 90 degree rotation */ + if (rotations == 3) + rotate_logo_one(out_logo, in_logo); + + /* copy result back to original array */ + if (rotations == 1 || rotations == 3) + for (i = 0; i < BMP_LOGO_WIDTH; i++) + for (j = 0; j < BMP_LOGO_HEIGHT; j++) + in_logo[i * BMP_LOGO_WIDTH + j] = + out_logo[i * BMP_LOGO_WIDTH + j]; +} + +static void enable_lvds(struct display_info_t const *dev) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + int reg; + s32 timeout = 100000; + + /* set PLL5 clock */ + reg = readl(&ccm->analog_pll_video); + reg |= BM_ANADIG_PLL_VIDEO_POWERDOWN; + writel(reg, &ccm->analog_pll_video); + + /* set PLL5 to 232720000Hz */ + reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT; + reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(0x26); + reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT; + reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0); + writel(reg, &ccm->analog_pll_video); + + writel(BF_ANADIG_PLL_VIDEO_NUM_A(0xC0238), + &ccm->analog_pll_video_num); + writel(BF_ANADIG_PLL_VIDEO_DENOM_B(0xF4240), + &ccm->analog_pll_video_denom); + + reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN; + writel(reg, &ccm->analog_pll_video); + + while (timeout--) + if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK) + break; + if (timeout < 0) + printf("Warning: video pll lock timeout!\n"); + + reg = readl(&ccm->analog_pll_video); + reg |= BM_ANADIG_PLL_VIDEO_ENABLE; + reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS; + writel(reg, &ccm->analog_pll_video); + + /* set LDB0, LDB1 clk select to 000/000 (PLL5 clock) */ + reg = readl(&ccm->cs2cdr); + reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK + | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); + reg |= (0 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) + | (0 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); + writel(reg, &ccm->cs2cdr); + + reg = readl(&ccm->cscmr2); + reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV; + writel(reg, &ccm->cscmr2); + + reg = readl(&ccm->chsccdr); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); + writel(reg, &ccm->chsccdr); + + reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES + | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH + | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_HIGH + | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG + | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT + | IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED + | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0; + writel(reg, &iomux->gpr[2]); + + reg = readl(&iomux->gpr[3]); + reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK) + | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 + << IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); + writel(reg, &iomux->gpr[3]); +} + +static void setup_display(void) +{ + enable_ipu_clock(); +} + +static void set_gpr_register(void) +{ + struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + + writel(IOMUXC_GPR1_APP_CLK_REQ_N | IOMUXC_GPR1_PCIE_RDY_L23 | + IOMUXC_GPR1_EXC_MON_SLVE | + (2 << IOMUXC_GPR1_ADDRS0_OFFSET) | + IOMUXC_GPR1_ACT_CS0, + &iomuxc_regs->gpr[1]); + writel(0x0, &iomuxc_regs->gpr[8]); + writel(IOMUXC_GPR12_ARMP_IPG_CLK_EN | IOMUXC_GPR12_ARMP_AHB_CLK_EN | + IOMUXC_GPR12_ARMP_ATB_CLK_EN | IOMUXC_GPR12_ARMP_APB_CLK_EN, + &iomuxc_regs->gpr[12]); +} + +extern char __bss_start[], __bss_end[]; +int board_early_init_f(void) +{ + select_ldb_di_clock_source(MXC_PLL5_CLK); + set_gpr_register(); + + /* + * clear bss here, so we can use spi driver + * before relocation and read Environment + * from spi flash. + */ + memset(__bss_start, 0x00, __bss_end - __bss_start); + + return 0; +} + +static void setup_one_led(char *label, int state) +{ + struct udevice *dev; + int ret; + + ret = led_get_by_label(label, &dev); + if (ret == 0) + led_set_state(dev, state); +} + +static void setup_board_gpio(void) +{ + setup_one_led("led_ena", LEDST_ON); + /* switch off Status LEDs */ + setup_one_led("led_yellow", LEDST_OFF); + setup_one_led("led_red", LEDST_OFF); + setup_one_led("led_green", LEDST_OFF); + setup_one_led("led_blue", LEDST_OFF); +} + +static void aristainetos_run_rescue_command(int reason) +{ + char rescue_reason_command[20]; + + sprintf(rescue_reason_command, "setenv rreason %d", reason); + run_command(rescue_reason_command, 0); +} + +static int aristainetos_bootmode_settings(void) +{ + struct gpio_desc *desc; + struct src *psrc = (struct src *)SRC_BASE_ADDR; + unsigned int sbmr1 = readl(&psrc->sbmr1); + char *my_bootdelay; + char bootmode = 0; + int ret; + struct udevice *dev; + int off; + u8 data[0x10]; + u8 rescue_reason; + + /* jumper controlled reset of the environment */ + ret = gpio_hog_lookup_name("env_reset", &desc); + if (!ret) { + if (dm_gpio_get_value(desc)) { + printf("\nReset u-boot environment (jumper)\n"); + run_command("run default_env; saveenv; saveenv", 0); + } + } + + off = fdt_path_offset(gd->fdt_blob, "eeprom0"); + if (off < 0) { + printf("%s: No eeprom0 path offset\n", __func__); + return off; + } + + ret = uclass_get_device_by_of_offset(UCLASS_I2C_EEPROM, off, &dev); + if (ret) { + printf("%s: Could not find EEPROM\n", __func__); + return ret; + } + + ret = i2c_set_chip_offset_len(dev, 2); + if (ret) + return ret; + + ret = i2c_eeprom_read(dev, 0x1ff0, (uint8_t *)data, sizeof(data)); + if (ret) { + printf("%s: Could not read EEPROM\n", __func__); + return ret; + } + + /* software controlled reset of the environment (EEPROM magic) */ + if (strncmp((char *)data, "DeF", 3) == 0) { + memset(data, 0xff, 3); + i2c_eeprom_write(dev, 0x1ff0, (uint8_t *)data, 3); + printf("\nReset u-boot environment (EEPROM)\n"); + run_command("run default_env; saveenv; saveenv", 0); + } + + if (sbmr1 & 0x40) { + env_set("bootmode", "1"); + printf("SD bootmode jumper set!\n"); + } else { + env_set("bootmode", "0"); + } + + /* + * Check the boot-source. If booting from NOR Flash, + * disable bootdelay + */ + ret = gpio_hog_lookup_name("bootsel0", &desc); + if (!ret) + bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 0; + ret = gpio_hog_lookup_name("bootsel1", &desc); + if (!ret) + bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 1; + ret = gpio_hog_lookup_name("bootsel2", &desc); + if (!ret) + bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 2; + + if (bootmode == 7) { + my_bootdelay = env_get("nor_bootdelay"); + if (my_bootdelay) + env_set("bootdelay", my_bootdelay); + else + env_set("bootdelay", "-2"); + } + + /* jumper controlled boot of the rescue system */ + ret = gpio_hog_lookup_name("boot_rescue", &desc); + if (!ret) { + if (dm_gpio_get_value(desc)) { + printf("\nBooting into Rescue System (jumper)\n"); + aristainetos_run_rescue_command(16); + run_command("run rescue_xload_boot", 0); + } + } + + /* software controlled boot of the rescue system (EEPROM magic) */ + if (strncmp((char *)&data[3], "ReScUe", 6) == 0) { + rescue_reason = *(uint8_t *)&data[9]; + memset(&data[3], 0xff, 7); + i2c_eeprom_write(dev, 0x1ff0, (uint8_t *)&data[3], 7); + printf("\nBooting into Rescue System (EEPROM)\n"); + aristainetos_run_rescue_command(rescue_reason); + run_command("run rescue_xload_boot", 0); + } + + return 0; +} + +#if defined(CONFIG_DM_PMIC_DA9063) +/* + * On the aristainetos2c boards the PMIC needs to be initialized, + * because the Ethernet PHY uses a different regulator that is not + * setup per hardware default. This does not influence the other versions + * as this regulator isn't used there at all. + * + * Unfortunately we have not yet a interface to setup all + * values we need. + */ +static int setup_pmic_voltages(void) +{ + struct udevice *dev; + int off; + int ret; + + off = fdt_path_offset(gd->fdt_blob, "pmic0"); + if (off < 0) { + printf("%s: No pmic path offset\n", __func__); + return off; + } + + ret = uclass_get_device_by_of_offset(UCLASS_PMIC, off, &dev); + if (ret) { + printf("%s: Could not find PMIC\n", __func__); + return ret; + } + + pmic_reg_write(dev, DA9063_REG_PAGE_CON, 0x01); + pmic_reg_write(dev, DA9063_REG_BPRO_CFG, 0xc1); + ret = pmic_reg_read(dev, DA9063_REG_BUCK_ILIM_B); + if (ret < 0) { + printf("%s: error %d get register\n", __func__, ret); + return ret; + } + ret &= 0xf0; + ret |= 0x09; + pmic_reg_write(dev, DA9063_REG_BUCK_ILIM_B, ret); + pmic_reg_write(dev, DA9063_REG_VBPRO_A, 0x43); + pmic_reg_write(dev, DA9063_REG_VBPRO_B, 0xc3); + + return 0; +} +#else +static int setup_pmic_voltages(void) +{ + return 0; +} +#endif + +int board_late_init(void) +{ + int x, y; + int ret; + + led_default_state(); + splash_get_pos(&x, &y); + bmp_display((ulong)&bmp_logo_bitmap[0], x, y); + + ret = aristainetos_bootmode_settings(); + if (ret) + return ret; + + /* set board_type */ + if (gd->board_type == BOARD_TYPE_4) + env_set("board_type", ARI_BT_4); + else + env_set("board_type", ARI_BT_7); + + if (setup_pmic_voltages()) + printf("Error setup PMIC\n"); + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +struct display_info_t const displays[] = { + { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = NULL, + .enable = enable_lvds, + .mode = { + .name = "lb07wv8", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 30066, + .left_margin = 88, + .right_margin = 88, + .upper_margin = 20, + .lower_margin = 20, + .hsync_len = 80, + .vsync_len = 5, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED + } + } +}; +size_t display_count = ARRAY_SIZE(displays); + +int board_init(void) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + setup_board_gpio(); + setup_display(); + + /* GPIO_1 for USB_OTG_ID */ + clrsetbits_le32(&iomux->gpr[1], IOMUXC_GPR1_USB_OTG_ID_SEL_MASK, 0); + return 0; +} + +int board_fit_config_name_match(const char *name) +{ + if (gd->board_type == BOARD_TYPE_4 && + strchr(name, 0x34)) + return 0; + + if (gd->board_type == BOARD_TYPE_7 && + strchr(name, 0x37)) + return 0; + + return -1; +} + +static void do_board_detect(void) +{ + int ret; + char s[30]; + + /* default use board type 7 */ + gd->board_type = BOARD_TYPE_7; + if (env_init()) + return; + + ret = env_get_f("panel", s, sizeof(s)); + if (ret < 0) + return; + + if (!strncmp("lg4573", s, 6)) + gd->board_type = BOARD_TYPE_4; +} + +#ifdef CONFIG_DTB_RESELECT +int embedded_dtb_select(void) +{ + int rescan; + + do_board_detect(); + fdtdec_resetup(&rescan); + + return 0; +} +#endif + +enum env_location env_get_location(enum env_operation op, int prio) +{ + if (op == ENVOP_SAVE || op == ENVOP_ERASE) + return ENVL_SPI_FLASH; + + switch (prio) { + case 0: + return ENVL_NOWHERE; + + case 1: + return ENVL_SPI_FLASH; + + default: + return ENVL_UNKNOWN; + } + + return ENVL_UNKNOWN; +} |