ARM: mx6: Add support for Kosagi Novena
Add support for the Kosagi Novena board. Currently supported are:
- I2C busses
- FEC Ethernet
- MMC0, MMC1, Booting from MMC
- SATA
- USB ports
- USB Ethernet
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Sean Cross <xobs@kosagi.com>
Cc: Nikolay Dimitrov <picmaster@mail.bg>
Reviewed-by: Nikolay Dimitrov <picmaster@mail.bg>
diff --git a/board/kosagi/novena/novena.c b/board/kosagi/novena/novena.c
new file mode 100644
index 0000000..2361a3c
--- /dev/null
+++ b/board/kosagi/novena/novena.c
@@ -0,0 +1,343 @@
+/*
+ * 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
+
+ /* Bring Ethernet PHY out of reset. */
+ gpio_set_value(IMX_GPIO_NR(3, 23), 1);
+
+ 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;
+}