diff options
Diffstat (limited to 'board/kosagi/novena/novena.c')
| -rw-r--r-- | board/kosagi/novena/novena.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/board/kosagi/novena/novena.c b/board/kosagi/novena/novena.c new file mode 100644 index 0000000..6add9e5 --- /dev/null +++ b/board/kosagi/novena/novena.c @@ -0,0 +1,340 @@ +/* + * Novena board support + * + * Copyright (C) 2014 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/errno.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/arch/sys_proto.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/imx-common/sata.h> +#include <asm/imx-common/video.h> +#include <fsl_esdhc.h> +#include <i2c.h> +#include <input.h> +#include <ipu_pixfmt.h> +#include <linux/fb.h> +#include <linux/input.h> +#include <malloc.h> +#include <micrel.h> +#include <miiphy.h> +#include <mmc.h> +#include <netdev.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include <stdio_dev.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define NOVENA_BUTTON_GPIO IMX_GPIO_NR(4, 14) +#define NOVENA_SD_WP IMX_GPIO_NR(1, 2) +#define NOVENA_SD_CD IMX_GPIO_NR(1, 4) + +/* + * GPIO button + */ +#ifdef CONFIG_KEYBOARD +static struct input_config button_input; + +static int novena_gpio_button_read_keys(struct input_config *input) +{ + int key = KEY_ENTER; + if (gpio_get_value(NOVENA_BUTTON_GPIO)) + return 0; + input_send_keycodes(&button_input, &key, 1); + return 1; +} + +static int novena_gpio_button_getc(struct stdio_dev *dev) +{ + return input_getc(&button_input); +} + +static int novena_gpio_button_tstc(struct stdio_dev *dev) +{ + return input_tstc(&button_input); +} + +static int novena_gpio_button_init(struct stdio_dev *dev) +{ + gpio_direction_input(NOVENA_BUTTON_GPIO); + input_set_delays(&button_input, 250, 250); + return 0; +} + +int drv_keyboard_init(void) +{ + int error; + struct stdio_dev dev = { + .name = "button", + .flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM, + .start = novena_gpio_button_init, + .getc = novena_gpio_button_getc, + .tstc = novena_gpio_button_tstc, + }; + + error = input_init(&button_input, 0); + if (error) { + debug("%s: Cannot set up input\n", __func__); + return -1; + } + button_input.read_keys = novena_gpio_button_read_keys; + + error = input_stdio_register(&dev); + if (error) + return error; + + return 0; +} +#endif + +/* + * SDHC + */ +#ifdef CONFIG_FSL_ESDHC +static struct fsl_esdhc_cfg usdhc_cfg[] = { + { USDHC3_BASE_ADDR, 0, 4 }, /* Micro SD */ + { USDHC2_BASE_ADDR, 0, 4 }, /* Big SD */ +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + + /* There is no CD for a microSD card, assume always present. */ + if (cfg->esdhc_base == USDHC3_BASE_ADDR) + return 1; + else + return !gpio_get_value(NOVENA_SD_CD); +} + +int board_mmc_getwp(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + + /* There is no WP for a microSD card, assume always read-write. */ + if (cfg->esdhc_base == USDHC3_BASE_ADDR) + return 0; + else + return gpio_get_value(NOVENA_SD_WP); +} + + +int board_mmc_init(bd_t *bis) +{ + s32 status = 0; + int index; + + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + + /* Big SD write-protect and card-detect */ + gpio_direction_input(NOVENA_SD_WP); + gpio_direction_input(NOVENA_SD_CD); + + for (index = 0; index < ARRAY_SIZE(usdhc_cfg); index++) { + status = fsl_esdhc_initialize(bis, &usdhc_cfg[index]); + if (status) + return status; + } + + return status; +} +#endif + +/* + * Video over HDMI + */ +#if defined(CONFIG_VIDEO_IPUV3) +static void enable_hdmi(struct display_info_t const *dev) +{ + imx_enable_hdmi_phy(); +} + +struct display_info_t const displays[] = { + { + /* HDMI Output */ + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = detect_hdmi, + .enable = enable_hdmi, + .mode = { + .name = "HDMI", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED + } + } +}; + +size_t display_count = ARRAY_SIZE(displays); + +static void setup_display(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + enable_ipu_clock(); + imx_setup_hdmi(); + + /* Turn on LDB0,IPU,IPU DI0 clocks */ + setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK); + + /* set LDB0, LDB1 clk select to 011/011 */ + clrsetbits_le32(&mxc_ccm->cs2cdr, + MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK | + MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK, + (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) | + (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET)); + + setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); + + setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 << + MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); + + writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES | + IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH | + IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW | + IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG | + IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT | + IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG | + IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT | + IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED | + IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0, + &iomux->gpr[2]); + + clrsetbits_le32(&iomux->gpr[3], IOMUXC_GPR3_LVDS0_MUX_CTL_MASK, + IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << + IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); +} +#endif + +int board_early_init_f(void) +{ +#if defined(CONFIG_VIDEO_IPUV3) + setup_display(); +#endif + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_CMD_SATA + setup_sata(); +#endif + + return 0; +} + +int checkboard(void) +{ + puts("Board: Novena 4x\n"); + return 0; +} + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + return 0; +} + +/* setup board specific PMIC */ +int power_init_board(void) +{ + struct pmic *p; + u32 reg; + int ret; + + power_pfuze100_init(1); + p = pmic_get("PFUZE100"); + if (!p) + return -EINVAL; + + ret = pmic_probe(p); + if (ret) + return ret; + + pmic_reg_read(p, PFUZE100_DEVICEID, ®); + printf("PMIC: PFUZE100 ID=0x%02x\n", reg); + + /* Set SWBST to 5.0V and enable (for USB) */ + pmic_reg_read(p, PFUZE100_SWBSTCON1, ®); + reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK); + reg |= (SWBST_5_00V | SWBST_MODE_AUTO); + pmic_reg_write(p, PFUZE100_SWBSTCON1, reg); + + return 0; +} + +/* EEPROM configuration data */ +struct novena_eeprom_data { + uint8_t signature[6]; + uint8_t version; + uint8_t reserved; + uint32_t serial; + uint8_t mac[6]; + uint16_t features; +}; + +int misc_init_r(void) +{ + struct novena_eeprom_data data; + uchar *datap = (uchar *)&data; + const char *signature = "Novena"; + int ret; + + /* If 'ethaddr' is already set, do nothing. */ + if (getenv("ethaddr")) + return 0; + + /* EEPROM is at bus 2. */ + ret = i2c_set_bus_num(2); + if (ret) { + puts("Cannot select EEPROM I2C bus.\n"); + return 0; + } + + /* EEPROM is at address 0x56. */ + ret = eeprom_read(0x56, 0, datap, sizeof(data)); + if (ret) { + puts("Cannot read I2C EEPROM.\n"); + return 0; + } + + /* Check EEPROM signature. */ + if (memcmp(data.signature, signature, 6)) { + puts("Invalid I2C EEPROM signature.\n"); + return 0; + } + + /* Set ethernet address from EEPROM. */ + eth_setenv_enetaddr("ethaddr", data.mac); + + return ret; +} |