]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/ifm/ac14xx/ac14xx.c
Update from 2013.01 to 2013.07
[karo-tx-uboot.git] / board / ifm / ac14xx / ac14xx.c
diff --git a/board/ifm/ac14xx/ac14xx.c b/board/ifm/ac14xx/ac14xx.c
new file mode 100644 (file)
index 0000000..0fbdfdb
--- /dev/null
@@ -0,0 +1,615 @@
+/*
+ * (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
+ * (C) Copyright 2009 Dave Srl www.dave.eu
+ * (C) Copyright 2010 ifm ecomatic GmbH
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/bitops.h>
+#include <command.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/mpc512x.h>
+#include <fdt_support.h>
+#ifdef CONFIG_MISC_INIT_R
+#include <i2c.h>
+#endif
+
+static int eeprom_diag;
+static int mac_diag;
+static int gpio_diag;
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void gpio_configure(void)
+{
+       immap_t *im;
+       gpio512x_t *gpioregs;
+
+       im = (immap_t *) CONFIG_SYS_IMMR;
+       gpioregs = &im->gpio;
+       out_be32(&gpioregs->gpodr, 0x00290000); /* open drain */
+       out_be32(&gpioregs->gpdat, 0x80001040); /* data (when output) */
+
+       /*
+        * out_be32(&gpioregs->gpdir, 0xC2293020);
+        * workaround for a hardware effect: configure direction in pieces,
+        * setting all outputs at once drops the reset line too low and
+        * makes us lose the MII connection (breaks ethernet for us)
+        */
+       out_be32(&gpioregs->gpdir, 0x02003060); /* direction */
+       setbits_be32(&gpioregs->gpdir, 0x00200000); /* += reset asi */
+       udelay(10);
+       setbits_be32(&gpioregs->gpdir, 0x00080000); /* += reset safety */
+       udelay(10);
+       setbits_be32(&gpioregs->gpdir, 0x00010000); /* += reset comm */
+       udelay(10);
+       setbits_be32(&gpioregs->gpdir, 0xC0000000); /* += backlight, KB sel */
+
+       /* to turn from red to yellow when U-Boot runs */
+       setbits_be32(&gpioregs->gpdat, 0x00002020);
+       out_be32(&gpioregs->gpimr, 0x00000000); /* interrupt mask */
+       out_be32(&gpioregs->gpicr1, 0x00000004); /* interrupt sense part 1 */
+       out_be32(&gpioregs->gpicr2, 0x00A80000); /* interrupt sense part 2 */
+       out_be32(&gpioregs->gpier, 0xFFFFFFFF); /* interrupt events, clear */
+}
+
+/* the physical location of the pins */
+#define GPIOKEY_ROW_BITMASK    0x40000000
+#define GPIOKEY_ROW_UPPER      0
+#define GPIOKEY_ROW_LOWER      1
+
+#define GPIOKEY_COL0_BITMASK   0x20000000
+#define GPIOKEY_COL1_BITMASK   0x10000000
+#define GPIOKEY_COL2_BITMASK   0x08000000
+
+/* the logical presentation of pressed keys */
+#define GPIOKEY_BIT_FNLEFT     (1 << 5)
+#define GPIOKEY_BIT_FNRIGHT    (1 << 4)
+#define GPIOKEY_BIT_DIRUP      (1 << 3)
+#define GPIOKEY_BIT_DIRLEFT    (1 << 2)
+#define GPIOKEY_BIT_DIRRIGHT   (1 << 1)
+#define GPIOKEY_BIT_DIRDOWN    (1 << 0)
+
+/* the hotkey combination which starts recovery */
+#define GPIOKEY_BITS_RECOVERY  (GPIOKEY_BIT_FNLEFT | GPIOKEY_BIT_DIRUP | \
+                                GPIOKEY_BIT_DIRDOWN)
+
+static void gpio_selectrow(gpio512x_t *gpioregs, u32 row)
+{
+
+       if (row)
+               setbits_be32(&gpioregs->gpdat, GPIOKEY_ROW_BITMASK);
+       else
+               clrbits_be32(&gpioregs->gpdat, GPIOKEY_ROW_BITMASK);
+       udelay(10);
+}
+
+static u32 gpio_querykbd(void)
+{
+       immap_t *im;
+       gpio512x_t *gpioregs;
+       u32 keybits;
+       u32 input;
+
+       im = (immap_t *)CONFIG_SYS_IMMR;
+       gpioregs = &im->gpio;
+       keybits = 0;
+
+       /* query upper row */
+       gpio_selectrow(gpioregs, GPIOKEY_ROW_UPPER);
+       input = in_be32(&gpioregs->gpdat);
+       if ((input & GPIOKEY_COL0_BITMASK) == 0)
+               keybits |= GPIOKEY_BIT_FNLEFT;
+       if ((input & GPIOKEY_COL1_BITMASK) == 0)
+               keybits |= GPIOKEY_BIT_DIRUP;
+       if ((input & GPIOKEY_COL2_BITMASK) == 0)
+               keybits |= GPIOKEY_BIT_FNRIGHT;
+
+       /* query lower row */
+       gpio_selectrow(gpioregs, GPIOKEY_ROW_LOWER);
+       input = in_be32(&gpioregs->gpdat);
+       if ((input & GPIOKEY_COL0_BITMASK) == 0)
+               keybits |= GPIOKEY_BIT_DIRLEFT;
+       if ((input & GPIOKEY_COL1_BITMASK) == 0)
+               keybits |= GPIOKEY_BIT_DIRRIGHT;
+       if ((input & GPIOKEY_COL2_BITMASK) == 0)
+               keybits |= GPIOKEY_BIT_DIRDOWN;
+
+       /* return bit pattern for keys */
+       return keybits;
+}
+
+/* excerpt from the recovery's hw_info.h */
+
+struct __attribute__ ((__packed__)) eeprom_layout {
+       char    magic[3];       /** 'ifm' */
+       u8      len[2];         /** content length without magic/len fields */
+       u8      version[3];     /** structure version */
+       u8      type;           /** type of PCB */
+       u8      reserved[0x37]; /** padding up to offset 0x40 */
+       u8      macaddress[6];  /** ethernet MAC (for the mainboard) @0x40 */
+};
+
+#define HW_COMP_MAINCPU 2
+
+static struct eeprom_layout eeprom_content;
+static int eeprom_was_read;    /* has_been_read */
+static int eeprom_is_valid;
+static int eeprom_version;
+
+#define get_eeprom_field_int(name) ({ \
+       int value; \
+       int idx; \
+       value = 0; \
+       for (idx = 0; idx < sizeof(name); idx++) { \
+               value <<= 8; \
+               value |= name[idx]; \
+       } \
+       value; \
+})
+
+static int read_eeprom(void)
+{
+       int eeprom_datalen;
+       int ret;
+
+       if (eeprom_was_read)
+               return 0;
+
+       eeprom_is_valid = 0;
+       ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
+                       CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
+                       (uchar *)&eeprom_content, sizeof(eeprom_content));
+       if (eeprom_diag) {
+               printf("DIAG: %s() read rc[%d], size[%d]\n",
+                       __func__, ret, sizeof(eeprom_content));
+       }
+
+       if (ret != 0)
+               return -1;
+
+       eeprom_was_read = 1;
+
+       /*
+        * check validity of EEPROM content
+        * (check version, length, optionally checksum)
+        */
+       eeprom_is_valid = 1;
+       eeprom_datalen = get_eeprom_field_int(eeprom_content.len);
+       eeprom_version = get_eeprom_field_int(eeprom_content.version);
+
+       if (eeprom_diag) {
+               printf("DIAG: %s() magic[%c%c%c] len[%d] ver[%d] type[%d]\n",
+                       __func__, eeprom_content.magic[0],
+                       eeprom_content.magic[1], eeprom_content.magic[2],
+                       eeprom_datalen, eeprom_version, eeprom_content.type);
+       }
+       if (strncmp(eeprom_content.magic, "ifm", strlen("ifm")) != 0)
+               eeprom_is_valid = 0;
+       if (eeprom_datalen < sizeof(struct eeprom_layout) - 5)
+               eeprom_is_valid = 0;
+       if ((eeprom_version != 1) && (eeprom_version != 2))
+               eeprom_is_valid = 0;
+       if (eeprom_content.type != HW_COMP_MAINCPU)
+               eeprom_is_valid = 0;
+
+       if (eeprom_diag)
+               printf("DIAG: %s() valid[%d]\n", __func__, eeprom_is_valid);
+
+       return ret;
+}
+
+int mac_read_from_eeprom(void)
+{
+       const u8 *mac;
+       const char *mac_txt;
+
+       if (read_eeprom()) {
+               printf("I2C EEPROM read failed.\n");
+               return -1;
+       }
+
+       if (!eeprom_is_valid) {
+               printf("I2C EEPROM content not valid\n");
+               return -1;
+       }
+
+       mac = NULL;
+       switch (eeprom_version) {
+       case 1:
+       case 2:
+               mac = (const u8 *)&eeprom_content.macaddress;
+               break;
+       }
+
+       if (mac && is_valid_ether_addr(mac)) {
+               eth_setenv_enetaddr("ethaddr", mac);
+               if (mac_diag) {
+                       mac_txt = getenv("ethaddr");
+                       if (mac_txt)
+                               printf("DIAG: MAC value [%s]\n", mac_txt);
+                       else
+                               printf("DIAG: failed to setup MAC env\n");
+               }
+       }
+
+       return 0;
+}
+
+/*
+ * BEWARE!
+ * this board uses DDR1(!) Micron SDRAM, *NOT* the DDR2
+ * which the ADS, Aria or PDM360NG boards are using
+ * (the steps outlined here refer to the Micron datasheet)
+ */
+u32 sdram_init_seq[] = {
+       /* item 6, at least one NOP after CKE went high */
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       /* item 7, precharge all; item 8, tRP (20ns) */
+       CONFIG_SYS_DDRCMD_PCHG_ALL,
+       CONFIG_SYS_DDRCMD_NOP,
+       /* item 9, extended mode register; item 10, tMRD 10ns) */
+       CONFIG_SYS_MICRON_EMODE | CONFIG_SYS_MICRON_EMODE_PARAM,
+       CONFIG_SYS_DDRCMD_NOP,
+       /*
+        * item 11, (base) mode register _with_ reset DLL;
+        * item 12, tMRD (10ns)
+        */
+       CONFIG_SYS_MICRON_BMODE | CONFIG_SYS_MICRON_BMODE_RSTDLL |
+       CONFIG_SYS_MICRON_BMODE_PARAM,
+       CONFIG_SYS_DDRCMD_NOP,
+       /* item 13, precharge all; item 14, tRP (20ns) */
+       CONFIG_SYS_DDRCMD_PCHG_ALL,
+       CONFIG_SYS_DDRCMD_NOP,
+       /*
+        * item 15, auto refresh (i.e. refresh with CKE held high);
+        * item 16, tRFC (70ns)
+        */
+       CONFIG_SYS_DDRCMD_RFSH,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       /*
+        * item 17, auto refresh (i.e. refresh with CKE held high);
+        * item 18, tRFC (70ns)
+        */
+       CONFIG_SYS_DDRCMD_RFSH,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       CONFIG_SYS_DDRCMD_NOP,
+       /* item 19, optional, unassert DLL reset; item 20, tMRD (20ns) */
+       CONFIG_SYS_MICRON_BMODE | CONFIG_SYS_MICRON_BMODE_PARAM,
+       CONFIG_SYS_DDRCMD_NOP,
+       /*
+        * item 21, "actually done", but make sure 200 DRAM clock cycles
+        * have passed after DLL reset before READ requests are issued
+        * (200 cycles at 160MHz -> 1.25 usec)
+        */
+       /* EMPTY, optional, we don't do it */
+};
+
+phys_size_t initdram(int board_type)
+{
+       return fixed_sdram(NULL, sdram_init_seq, ARRAY_SIZE(sdram_init_seq));
+}
+
+int misc_init_r(void)
+{
+       u32 keys;
+       char *s;
+       int want_recovery;
+
+       /* we use bus I2C-0 for the on-board eeprom */
+       i2c_set_bus_num(0);
+
+       /* setup GPIO directions and initial values */
+       gpio_configure();
+
+       /*
+        * enforce the start of the recovery system when
+        * - the appropriate keys were pressed
+        * - "some" external software told us to
+        * - a previous installation was aborted or has failed
+        */
+       want_recovery = 0;
+       keys = gpio_querykbd();
+       if (gpio_diag)
+               printf("GPIO keyboard status [0x%02X]\n", keys);
+       if ((keys & GPIOKEY_BITS_RECOVERY) == GPIOKEY_BITS_RECOVERY) {
+               printf("detected recovery request (keyboard)\n");
+               want_recovery = 1;
+       }
+       s = getenv("want_recovery");
+       if ((s != NULL) && (*s != '\0')) {
+               printf("detected recovery request (environment)\n");
+               want_recovery = 1;
+       }
+       s = getenv("install_in_progress");
+       if ((s != NULL) && (*s != '\0')) {
+               printf("previous installation has not completed\n");
+               want_recovery = 1;
+       }
+       s = getenv("install_failed");
+       if ((s != NULL) && (*s != '\0')) {
+               printf("previous installation has failed\n");
+               want_recovery = 1;
+       }
+       if (want_recovery) {
+               printf("enforced start of the recovery system\n");
+               setenv("bootcmd", "run recovery");
+       }
+
+       /*
+        * boot the recovery system without waiting; boot the
+        * production system without waiting by default, only
+        * insert a pause (to provide a chance to get a prompt)
+        * when GPIO keys were pressed during power on
+        */
+       if (want_recovery)
+               setenv("bootdelay", "0");
+       else if (!keys)
+               setenv("bootdelay", "0");
+       else
+               setenv("bootdelay", "2");
+
+       /* get the ethernet MAC from I2C EEPROM */
+       mac_read_from_eeprom();
+
+       return 0;
+}
+
+/* setup specific IO pad configuration */
+static  iopin_t ioregs_init[] = {
+       {       /* LPC CS3 */
+               offsetof(struct ioctrl512x, io_control_nfc_ce0), 1,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(1) | IO_PIN_DS(2),
+       },
+       {       /* LPC CS1 */
+               offsetof(struct ioctrl512x, io_control_lpc_cs1), 1,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(2),
+       },
+       {       /* LPC CS2 */
+               offsetof(struct ioctrl512x, io_control_lpc_cs2), 1,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(2),
+       },
+       {       /* LPC CS4, CS5 */
+               offsetof(struct ioctrl512x, io_control_pata_ce1), 2,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(1) | IO_PIN_DS(2),
+       },
+       {       /* SDHC CLK, CMD, D0, D1, D2, D3 */
+               offsetof(struct ioctrl512x, io_control_pata_ior), 6,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(1) | IO_PIN_DS(2),
+       },
+       {       /* GPIO keyboard */
+               offsetof(struct ioctrl512x, io_control_pci_ad30), 4,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO DN1 PF, LCD power, DN2 PF */
+               offsetof(struct ioctrl512x, io_control_pci_ad26), 3,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO reset AS-i */
+               offsetof(struct ioctrl512x, io_control_pci_ad21), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO reset safety */
+               offsetof(struct ioctrl512x, io_control_pci_ad19), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO reset netX */
+               offsetof(struct ioctrl512x, io_control_pci_ad16), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO ma2 en */
+               offsetof(struct ioctrl512x, io_control_pci_ad15), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO SD CD, SD WP */
+               offsetof(struct ioctrl512x, io_control_pci_ad08), 2,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* FEC RX DV */
+               offsetof(struct ioctrl512x, io_control_pci_ad06), 1,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(2) | IO_PIN_DS(2),
+       },
+       {       /* GPIO AS-i prog, AS-i done, LCD backlight */
+               offsetof(struct ioctrl512x, io_control_pci_ad05), 3,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO AS-i wdg */
+               offsetof(struct ioctrl512x, io_control_pci_req2), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO safety wdg */
+               offsetof(struct ioctrl512x, io_control_pci_req1), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO netX wdg */
+               offsetof(struct ioctrl512x, io_control_pci_req0), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO IRQ powerfail */
+               offsetof(struct ioctrl512x, io_control_pci_inta), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO AS-i PWRD */
+               offsetof(struct ioctrl512x, io_control_pci_frame), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO LED0, LED1 */
+               offsetof(struct ioctrl512x, io_control_pci_idsel), 2,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* GPIO IRQ AS-i 1, IRQ AS-i 2, IRQ safety */
+               offsetof(struct ioctrl512x, io_control_pci_irdy), 3,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /* DIU clk */
+               offsetof(struct ioctrl512x, io_control_spdif_txclk), 1,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(2) | IO_PIN_DS(2),
+       },
+       {       /* FEC TX ER, CRS */
+               offsetof(struct ioctrl512x, io_control_spdif_tx), 2,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(1) | IO_PIN_DS(2),
+       },
+       {       /* GPIO/GPT */ /* to *NOT* have the EXT IRQ0 float */
+               offsetof(struct ioctrl512x, io_control_irq0), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       {       /*
+                * FEC col, tx en, tx clk, txd 0-3, mdc, rx er,
+                * rdx 3-0, mdio, rx clk
+                */
+               offsetof(struct ioctrl512x, io_control_psc0_0), 15,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(1) | IO_PIN_DS(2),
+       },
+       /* optional: make sure PSC3 remains the serial console */
+       {       /* LPC CS6 */
+               offsetof(struct ioctrl512x, io_control_psc3_4), 1,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(1) | IO_PIN_DS(2),
+       },
+       /* make sure PSC4 remains available for SPI,
+           *BUT* PSC4_1 is a GPIO kind of SS! */
+       {       /* enforce drive strength on the SPI pin */
+               offsetof(struct ioctrl512x, io_control_psc4_0), 5,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(2),
+       },
+       {
+               offsetof(struct ioctrl512x, io_control_psc4_1), 1,
+               IO_PIN_OVER_FMUX,
+               IO_PIN_FMUX(3),
+       },
+       /* optional: make sure PSC5 remains available for SPI */
+       {       /* enforce drive strength on the SPI pin */
+               offsetof(struct ioctrl512x, io_control_psc5_0), 5,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(1),
+       },
+       {       /* LPC TSIZ1 */
+               offsetof(struct ioctrl512x, io_control_psc6_0), 1,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(1) | IO_PIN_DS(2),
+       },
+       {       /* DIU hsync */
+               offsetof(struct ioctrl512x, io_control_psc6_1), 1,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(2) | IO_PIN_DS(1),
+       },
+       {       /* DIU vsync */
+               offsetof(struct ioctrl512x, io_control_psc6_4), 1,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(2) | IO_PIN_DS(1),
+       },
+       {       /* PSC7, part of DIU RGB */
+               offsetof(struct ioctrl512x, io_control_psc7_0), 2,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(2) | IO_PIN_DS(1),
+       },
+       {       /* PSC7, safety UART */
+               offsetof(struct ioctrl512x, io_control_psc7_2), 2,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(0) | IO_PIN_DS(1),
+       },
+       {       /* DIU (part of) RGB[] */
+               offsetof(struct ioctrl512x, io_control_psc8_3), 16,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(2) | IO_PIN_DS(1),
+       },
+       {       /* DIU data enable */
+               offsetof(struct ioctrl512x, io_control_psc11_4), 1,
+               IO_PIN_OVER_FMUX | IO_PIN_OVER_DRVSTR,
+               IO_PIN_FMUX(2) | IO_PIN_DS(1),
+       },
+       /* reduce LPB drive strength for improved EMI */
+       {       /* LPC OE, LPC RW */
+               offsetof(struct ioctrl512x, io_control_lpc_oe), 2,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(2),
+       },
+       {       /* LPC AX03 through LPC AD00 */
+               offsetof(struct ioctrl512x, io_control_lpc_ax03), 36,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(2),
+       },
+       {       /* LPC CS5 */
+               offsetof(struct ioctrl512x, io_control_pata_ce2), 1,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(2),
+       },
+       {       /* SDHC CLK */
+               offsetof(struct ioctrl512x, io_control_nfc_wp), 1,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(2),
+       },
+       {       /* SDHC DATA */
+               offsetof(struct ioctrl512x, io_control_nfc_ale), 4,
+               IO_PIN_OVER_DRVSTR,
+               IO_PIN_DS(2),
+       },
+};
+
+int checkboard(void)
+{
+       puts("Board: ifm AC14xx\n");
+
+       /* initialize function mux & slew rate IO inter alia on IO Pins  */
+       iopin_initialize_bits(ioregs_init, ARRAY_SIZE(ioregs_init));
+
+       return 0;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+       ft_cpu_setup(blob, bd);
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */