]> git.sur5r.net Git - u-boot/blobdiff - board/compulab/cm_fx6/cm_fx6.c
env: Rename eth_getenv_enetaddr() to eth_env_get_enetaddr()
[u-boot] / board / compulab / cm_fx6 / cm_fx6.c
index fdb8ebf9e75567c41965d4018b306f2266ffc5e8..a1da2780aa444b5799d002dee8773ff76ccaffa1 100644 (file)
  */
 
 #include <common.h>
+#include <dm.h>
 #include <fsl_esdhc.h>
 #include <miiphy.h>
+#include <mtd_node.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 <jffs2/load_kernel.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 */
+
 #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)
@@ -69,16 +186,23 @@ static iomux_v3_cfg_t const sata_pads[] = {
        IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 };
 
-static void cm_fx6_setup_issd(void)
+static int cm_fx6_setup_issd(void)
 {
+       int ret, i;
+
        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);
+       for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
+               ret = gpio_request(cm_fx6_issd_gpios[i], "sata");
+               if (ret)
+                       return ret;
+       }
+
+       ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int");
+       if (ret)
+               return ret;
+
+       return 0;
 }
 
 #define CM_FX6_SATA_INIT_RETRIES       10
@@ -86,7 +210,11 @@ int sata_initialize(void)
 {
        int err, i;
 
-       cm_fx6_setup_issd();
+       /* 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) {
@@ -109,6 +237,17 @@ int sata_initialize(void)
 
        return err;
 }
+
+int sata_stop(void)
+{
+       __sata_stop();
+       cm_fx6_sata_power(0);
+       mdelay(250);
+
+       return 0;
+}
+#else
+static int cm_fx6_setup_issd(void) { return 0; }
 #endif
 
 #ifdef CONFIG_SYS_I2C_MXC
@@ -141,49 +280,68 @@ I2C_PADS(i2c2_pads,
         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));
@@ -194,25 +352,32 @@ static int cm_fx6_init_usb_otg(void)
        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;
 }
@@ -224,6 +389,9 @@ int board_ehci_power(int port, int on)
 
        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
@@ -297,33 +465,42 @@ static iomux_v3_cfg_t const enet_pads[] = {
                                                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);
@@ -394,24 +571,106 @@ int board_mmc_init(bd_t *bis)
 }
 #endif
 
+#ifdef CONFIG_MXC_SPI
+int cm_fx6_setup_ecspi(void)
+{
+       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/"
+
+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();
 
        return 0;
 }
@@ -422,7 +681,14 @@ int checkboard(void)
        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;
@@ -454,6 +720,8 @@ void dram_init_banksize(void)
                gd->bd->bi_dram[1].size = 0x7FF00000;
                break;
        }
+
+       return 0;
 }
 
 int dram_init(void)
@@ -478,6 +746,14 @@ 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,
+};