+// SPDX-License-Identifier: GPL-2.0+
/*
* Board functions for Compulab CM-FX6 board
*
* Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
*
* Author: Nikita Kiryanov <nikita@compulab.co.il>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <fsl_esdhc.h>
+#include <ahci.h>
+#include <dm.h>
+#include <dwc_ahsata.h>
+#include <env.h>
+#include <fsl_esdhc_imx.h>
+#include <init.h>
#include <miiphy.h>
+#include <mtd_node.h>
+#include <net.h>
#include <netdev.h>
+#include <errno.h>
+#include <usb.h>
#include <fdt_support.h>
#include <sata.h>
+#include <splash.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/iomux.h>
-#include <asm/imx-common/mxc_i2c.h>
-#include <asm/imx-common/sata.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <asm/mach-imx/sata.h>
+#include <asm/mach-imx/video.h>
#include <asm/io.h>
#include <asm/gpio.h>
+#include <dm/platform_data/serial_mxc.h>
+#include <dm/device-internal.h>
+#include <jffs2/load_kernel.h>
+#include <linux/delay.h>
#include "common.h"
#include "../common/eeprom.h"
+#include "../common/common.h"
DECLARE_GLOBAL_DATA_PTR;
+#ifdef CONFIG_SPLASH_SCREEN
+static struct splash_location cm_fx6_splash_locations[] = {
+ {
+ .name = "sf",
+ .storage = SPLASH_STORAGE_SF,
+ .flags = SPLASH_STORAGE_RAW,
+ .offset = 0x100000,
+ },
+ {
+ .name = "mmc_fs",
+ .storage = SPLASH_STORAGE_MMC,
+ .flags = SPLASH_STORAGE_FS,
+ .devpart = "2:1",
+ },
+ {
+ .name = "usb_fs",
+ .storage = SPLASH_STORAGE_USB,
+ .flags = SPLASH_STORAGE_FS,
+ .devpart = "0:1",
+ },
+ {
+ .name = "sata_fs",
+ .storage = SPLASH_STORAGE_SATA,
+ .flags = SPLASH_STORAGE_FS,
+ .devpart = "0:1",
+ },
+};
+
+int splash_screen_prepare(void)
+{
+ return splash_source_load(cm_fx6_splash_locations,
+ ARRAY_SIZE(cm_fx6_splash_locations));
+}
+#endif
+
+#ifdef CONFIG_IMX_HDMI
+static void cm_fx6_enable_hdmi(struct display_info_t const *dev)
+{
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ imx_setup_hdmi();
+ setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
+ imx_enable_hdmi_phy();
+}
+
+static struct display_info_t preset_hdmi_1024X768 = {
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .enable = cm_fx6_enable_hdmi,
+ .mode = {
+ .name = "HDMI",
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 40385,
+ .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,
+ }
+};
+
+static void cm_fx6_setup_display(void)
+{
+ struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ enable_ipu_clock();
+ clrbits_le32(&iomuxc_regs->gpr[3], MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
+}
+
+int board_video_skip(void)
+{
+ int ret;
+ struct display_info_t *preset;
+ char const *panel = env_get("displaytype");
+
+ if (!panel) /* Also accept panel for backward compatibility */
+ panel = env_get("panel");
+
+ if (!panel)
+ return -ENOENT;
+
+ if (!strcmp(panel, "HDMI"))
+ preset = &preset_hdmi_1024X768;
+ else
+ return -EINVAL;
+
+ ret = ipuv3_fb_init(&preset->mode, 0, preset->pixfmt);
+ if (ret) {
+ printf("Can't init display %s: %d\n", preset->mode.name, ret);
+ return ret;
+ }
+
+ preset->enable(preset);
+ printf("Display: %s (%ux%u)\n", preset->mode.name, preset->mode.xres,
+ preset->mode.yres);
+
+ return 0;
+}
+#else
+static inline void cm_fx6_setup_display(void) {}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
+int ipu_displays_init(void)
+{
+ return board_video_skip();
+}
+
#ifdef CONFIG_DWC_AHSATA
static int cm_fx6_issd_gpios[] = {
/* The order of the GPIOs in the array is important! */
+ CM_FX6_SATA_LDO_EN,
CM_FX6_SATA_PHY_SLP,
CM_FX6_SATA_NRSTDLY,
CM_FX6_SATA_PWREN,
CM_FX6_SATA_NSTANDBY1,
CM_FX6_SATA_NSTANDBY2,
- CM_FX6_SATA_LDO_EN,
};
static void cm_fx6_sata_power(int on)
IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
-static void cm_fx6_setup_issd(void)
-{
- SETUP_IOMUX_PADS(sata_pads);
- /* Make sure this gpio has logical 0 value */
- gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
- udelay(100);
-
- cm_fx6_sata_power(0);
- mdelay(250);
- cm_fx6_sata_power(1);
-}
-
-#define CM_FX6_SATA_INIT_RETRIES 10
-int sata_initialize(void)
+static int cm_fx6_setup_issd(void)
{
- int err, i;
+ int ret, i;
- cm_fx6_setup_issd();
- for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) {
- err = setup_sata();
- if (err) {
- printf("SATA setup failed: %d\n", err);
- return err;
- }
+ SETUP_IOMUX_PADS(sata_pads);
- udelay(100);
+ for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
+ ret = gpio_request(cm_fx6_issd_gpios[i], "sata");
+ if (ret)
+ return ret;
+ }
- err = __sata_initialize();
- if (!err)
- break;
+ ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int");
+ if (ret)
+ return ret;
- /* There is no device on the SATA port */
- if (sata_port_status(0, 0) == 0)
- break;
+ return 0;
+}
- /* There's a device, but link not established. Retry */
- }
+#define CM_FX6_SATA_INIT_RETRIES 10
- return err;
-}
+#else
+static int cm_fx6_setup_issd(void) { return 0; }
#endif
#ifdef CONFIG_SYS_I2C_MXC
IMX_GPIO_NR(1, 6));
-static void cm_fx6_setup_i2c(void)
+static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads)
{
- setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c0_pads));
- setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c1_pads));
- setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, I2C_PADS_INFO(i2c2_pads));
+ int ret;
+
+ ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads);
+ if (ret)
+ printf("Warning: I2C%d setup failed: %d\n", busnum, ret);
+
+ return ret;
+}
+
+static int cm_fx6_setup_i2c(void)
+{
+ int ret = 0, err;
+
+ /* i2c<x>_pads are wierd macro variables; we can't use an array */
+ err = cm_fx6_setup_one_i2c(0, I2C_PADS_INFO(i2c0_pads));
+ if (err)
+ ret = err;
+ err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads));
+ if (err)
+ ret = err;
+ err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads));
+ if (err)
+ ret = err;
+
+ return ret;
}
#else
-static void cm_fx6_setup_i2c(void) { }
+static int cm_fx6_setup_i2c(void) { return 0; }
#endif
#ifdef CONFIG_USB_EHCI_MX6
#define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
+#define MX6_USBNC_BASEADDR 0x2184800
+#define USBNC_USB_H1_PWR_POL (1 << 9)
-static int cm_fx6_usb_hub_reset(void)
+static int cm_fx6_setup_usb_host(void)
{
int err;
err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst");
- if (err) {
- printf("USB hub rst gpio request failed: %d\n", err);
- return -1;
- }
+ if (err)
+ return err;
+ SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL));
SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL));
- gpio_direction_output(CM_FX6_USB_HUB_RST, 0);
- udelay(10);
- gpio_direction_output(CM_FX6_USB_HUB_RST, 1);
- mdelay(1);
return 0;
}
-static int cm_fx6_init_usb_otg(void)
+static int cm_fx6_setup_usb_otg(void)
{
- int ret;
+ int err;
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
- ret = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr");
- if (ret) {
- printf("USB OTG pwr gpio request failed: %d\n", ret);
- return ret;
+ err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr");
+ if (err) {
+ printf("USB OTG pwr gpio request failed: %d\n", err);
+ return err;
}
SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL));
return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0);
}
-#define MX6_USBNC_BASEADDR 0x2184800
-#define USBNC_USB_H1_PWR_POL (1 << 9)
+int board_usb_phy_mode(int port)
+{
+ return USB_INIT_HOST;
+}
+
int board_ehci_hcd_init(int port)
{
+ int ret;
u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4);
- switch (port) {
- case 0:
- return cm_fx6_init_usb_otg();
- case 1:
- SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR |
- MUX_PAD_CTRL(NO_PAD_CTRL));
+ /* Only 1 host controller in use. port 0 is OTG & needs no attention */
+ if (port != 1)
+ return 0;
- /* Set PWR polarity to match power switch's enable polarity */
- setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL);
- return cm_fx6_usb_hub_reset();
- default:
- break;
- }
+ /* Set PWR polarity to match power switch's enable polarity */
+ setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL);
+ ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 0);
+ if (ret)
+ return ret;
+
+ udelay(10);
+ ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1);
+ if (ret)
+ return ret;
+
+ mdelay(1);
return 0;
}
return 0;
}
+#else
+static int cm_fx6_setup_usb_otg(void) { return 0; }
+static int cm_fx6_setup_usb_host(void) { return 0; }
#endif
#ifdef CONFIG_FEC_MXC
MUX_PAD_CTRL(ENET_PAD_CTRL)),
};
-static int handle_mac_address(void)
+static int handle_mac_address(char *env_var, uint eeprom_bus)
{
unsigned char enetaddr[6];
int rc;
- rc = eth_getenv_enetaddr("ethaddr", enetaddr);
+ rc = eth_env_get_enetaddr(env_var, enetaddr);
if (rc)
return 0;
- rc = cl_eeprom_read_mac_addr(enetaddr);
+ rc = cl_eeprom_read_mac_addr(enetaddr, eeprom_bus);
if (rc)
return rc;
- if (!is_valid_ether_addr(enetaddr))
+ if (!is_valid_ethaddr(enetaddr))
return -1;
- return eth_setenv_enetaddr("ethaddr", enetaddr);
+ return eth_env_set_enetaddr(env_var, enetaddr);
}
+#define SB_FX6_I2C_EEPROM_BUS 0
+#define NO_MAC_ADDR "No MAC address found for %s\n"
int board_eth_init(bd_t *bis)
{
- int res = handle_mac_address();
- if (res)
- puts("No MAC address found\n");
+ int err;
+
+ if (handle_mac_address("ethaddr", CONFIG_SYS_I2C_EEPROM_BUS))
+ printf(NO_MAC_ADDR, "primary NIC");
+
+ if (handle_mac_address("eth1addr", SB_FX6_I2C_EEPROM_BUS))
+ printf(NO_MAC_ADDR, "secondary NIC");
SETUP_IOMUX_PADS(enet_pads);
/* phy reset */
+ err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst");
+ if (err)
+ printf("Etnernet NRST gpio request failed: %d\n", err);
gpio_direction_output(CM_FX6_ENET_NRST, 0);
udelay(500);
gpio_set_value(CM_FX6_ENET_NRST, 1);
static void cm_fx6_setup_gpmi_nand(void) {}
#endif
-#ifdef CONFIG_FSL_ESDHC
-static struct fsl_esdhc_cfg usdhc_cfg[3] = {
- {USDHC1_BASE_ADDR},
- {USDHC2_BASE_ADDR},
- {USDHC3_BASE_ADDR},
-};
-
-static enum mxc_clock usdhc_clk[3] = {
- MXC_ESDHC_CLK,
- MXC_ESDHC2_CLK,
- MXC_ESDHC3_CLK,
-};
-
-int board_mmc_init(bd_t *bis)
+#ifdef CONFIG_MXC_SPI
+int cm_fx6_setup_ecspi(void)
{
- int i;
-
- cm_fx6_set_usdhc_iomux();
- for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
- usdhc_cfg[i].sdhc_clk = mxc_get_clock(usdhc_clk[i]);
- usdhc_cfg[i].max_bus_width = 4;
- fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
- enable_usdhc_clk(1, i);
- }
-
- return 0;
+ cm_fx6_set_ecspi_iomux();
+ return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0");
}
+#else
+int cm_fx6_setup_ecspi(void) { return 0; }
#endif
#ifdef CONFIG_OF_BOARD_SETUP
-void ft_board_setup(void *blob, bd_t *bd)
+#define USDHC3_PATH "/soc/aips-bus@02100000/usdhc@02198000/"
+
+static const struct node_info nodes[] = {
+ /*
+ * Both entries target the same flash chip. The st,m25p compatible
+ * is used in the vendor device trees, while upstream uses (the
+ * documented) jedec,spi-nor compatible.
+ */
+ { "st,m25p", MTD_DEV_TYPE_NOR, },
+ { "jedec,spi-nor", MTD_DEV_TYPE_NOR, },
+};
+
+int ft_board_setup(void *blob, bd_t *bd)
{
+ u32 baseboard_rev;
+ int nodeoffset;
uint8_t enetaddr[6];
+ char baseboard_name[16];
+ int err;
+
+ fdt_shrink_to_minimum(blob, 0); /* Make room for new properties */
/* MAC addr */
- if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
- fdt_find_and_setprop(blob, "/fec", "local-mac-address",
+ if (eth_env_get_enetaddr("ethaddr", enetaddr)) {
+ fdt_find_and_setprop(blob,
+ "/soc/aips-bus@02100000/ethernet@02188000",
+ "local-mac-address", enetaddr, 6, 1);
+ }
+
+ if (eth_env_get_enetaddr("eth1addr", enetaddr)) {
+ fdt_find_and_setprop(blob, "/eth@pcie", "local-mac-address",
enetaddr, 6, 1);
}
+
+ fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
+
+ baseboard_rev = cl_eeprom_get_board_rev(0);
+ err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0);
+ if (err || baseboard_rev == 0)
+ return 0; /* Assume not an early revision SB-FX6m baseboard */
+
+ if (!strncmp("SB-FX6m", baseboard_name, 7) && baseboard_rev <= 120) {
+ nodeoffset = fdt_path_offset(blob, USDHC3_PATH);
+ fdt_delprop(blob, nodeoffset, "cd-gpios");
+ fdt_find_and_setprop(blob, USDHC3_PATH, "broken-cd",
+ NULL, 0, 1);
+ fdt_find_and_setprop(blob, USDHC3_PATH, "keep-power-in-suspend",
+ NULL, 0, 1);
+ }
+
+ return 0;
}
#endif
int board_init(void)
{
+ int ret;
+
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
cm_fx6_setup_gpmi_nand();
- cm_fx6_setup_i2c();
+ ret = cm_fx6_setup_ecspi();
+ if (ret)
+ printf("Warning: ECSPI setup failed: %d\n", ret);
+
+ ret = cm_fx6_setup_usb_otg();
+ if (ret)
+ printf("Warning: USB OTG setup failed: %d\n", ret);
+
+ ret = cm_fx6_setup_usb_host();
+ if (ret)
+ printf("Warning: USB host setup failed: %d\n", ret);
+
+ /*
+ * cm-fx6 may have iSSD not assembled and in this case it has
+ * bypasses for a (m)SATA socket on the baseboard. The socketed
+ * device is not controlled by those GPIOs. So just print a warning
+ * if the setup fails.
+ */
+ ret = cm_fx6_setup_issd();
+ if (ret)
+ printf("Warning: iSSD setup failed: %d\n", ret);
+
+ /* Warn on failure but do not abort boot */
+ ret = cm_fx6_setup_i2c();
+ if (ret)
+ printf("Warning: I2C setup failed: %d\n", ret);
+
+ cm_fx6_setup_display();
+
+ /* This should be done in the MMC driver when MX6 has a clock driver */
+#ifdef CONFIG_FSL_ESDHC_IMX
+ if (IS_ENABLED(CONFIG_BLK)) {
+ int i;
+
+ cm_fx6_set_usdhc_iomux();
+ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++)
+ enable_usdhc_clk(1, i);
+ }
+#endif
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ char baseboard_name[16];
+ int err;
+
+ if (is_mx6dq())
+ env_set("board_rev", "MX6Q");
+ else if (is_mx6dl())
+ env_set("board_rev", "MX6DL");
+
+ err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0);
+ if (err)
+ return 0;
+
+ if (!strncmp("SB-FX6m", baseboard_name, 7))
+ env_set("board_name", "Utilite");
+#endif
return 0;
}
return 0;
}
-void dram_init_banksize(void)
+int misc_init_r(void)
+{
+ cl_print_pcb_info();
+
+ return 0;
+}
+
+int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
gd->bd->bi_dram[1].size = 0x7FF00000;
break;
}
+
+ return 0;
}
int dram_init(void)
u32 get_board_rev(void)
{
- return cl_eeprom_get_board_rev();
+ return cl_eeprom_get_board_rev(CONFIG_SYS_I2C_EEPROM_BUS);
}
+static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = {
+ .reg = (struct mxc_uart *)UART4_BASE,
+};
+
+U_BOOT_DEVICE(cm_fx6_serial) = {
+ .name = "serial_mxc",
+ .platdata = &cm_fx6_mxc_serial_plat,
+};
+
+#if CONFIG_IS_ENABLED(AHCI)
+static int sata_imx_probe(struct udevice *dev)
+{
+ int i, err;
+
+ /* Make sure this gpio has logical 0 value */
+ gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
+ udelay(100);
+ cm_fx6_sata_power(1);
+
+ for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) {
+ err = setup_sata();
+ if (err) {
+ printf("SATA setup failed: %d\n", err);
+ return err;
+ }
+
+ udelay(100);
+
+ err = dwc_ahsata_probe(dev);
+ if (!err)
+ break;
+
+ /* There is no device on the SATA port */
+ if (sata_dm_port_status(0, 0) == 0)
+ break;
+
+ /* There's a device, but link not established. Retry */
+ device_remove(dev, DM_REMOVE_NORMAL);
+ }
+
+ return 0;
+}
+
+static int sata_imx_remove(struct udevice *dev)
+{
+ cm_fx6_sata_power(0);
+ mdelay(250);
+
+ return 0;
+}
+
+struct ahci_ops sata_imx_ops = {
+ .port_status = dwc_ahsata_port_status,
+ .reset = dwc_ahsata_bus_reset,
+ .scan = dwc_ahsata_scan,
+};
+
+static const struct udevice_id sata_imx_ids[] = {
+ { .compatible = "fsl,imx6q-ahci" },
+ { }
+};
+
+U_BOOT_DRIVER(sata_imx) = {
+ .name = "dwc_ahci",
+ .id = UCLASS_AHCI,
+ .of_match = sata_imx_ids,
+ .ops = &sata_imx_ops,
+ .probe = sata_imx_probe,
+ .remove = sata_imx_remove, /* reset bus to stop it */
+};
+#endif /* AHCI */