Commit fcc7fe42 authored by Anatolij Gustschin's avatar Anatolij Gustschin Committed by Wolfgang Denk

mpc512x: add ifm ac14xx board

Add new mpc5121e based ac14xx board and a new pinmux config
function for setting individual pinmux bit groups. This
function is used in ac14xx board code.
Signed-off-by: default avatarAnatolij Gustschin <agust@denx.de>
parent 5643709e
......@@ -234,6 +234,7 @@ Wolfgang Grandegger <wg@denx.de>
Anatolij Gustschin <agust@denx.de>
ac14xx MPC5121e
O2D MPC5200
O2D300 MPC5200
O2DNT2 MPC5200
......
......@@ -47,3 +47,57 @@ void iopin_initialize(iopin_t *ioregs_init, int len)
}
return;
}
void iopin_initialize_bits(iopin_t *ioregs_init, int len)
{
short i, j, p;
u32 *reg, mask;
immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
reg = (u32 *)&(im->io_ctrl);
/* iterate over table entries */
for (i = 0; i < len; i++) {
/* iterate over pins within a table entry */
for (p = 0, j = ioregs_init[i].p_offset / sizeof(u_long);
p < ioregs_init[i].nr_pins; p++, j++) {
if (ioregs_init[i].bit_or & IO_PIN_OVER_EACH) {
/* replace all settings at once */
out_be32(reg + j, ioregs_init[i].val);
} else {
/*
* only replace individual parts, but
* REPLACE them instead of just ORing
* them in and "inheriting" previously
* set bits which we don't want
*/
mask = 0;
if (ioregs_init[i].bit_or & IO_PIN_OVER_FMUX)
mask |= IO_PIN_FMUX(3);
if (ioregs_init[i].bit_or & IO_PIN_OVER_HOLD)
mask |= IO_PIN_HOLD(3);
if (ioregs_init[i].bit_or & IO_PIN_OVER_PULL)
mask |= IO_PIN_PUD(1) | IO_PIN_PUE(1);
if (ioregs_init[i].bit_or & IO_PIN_OVER_STRIG)
mask |= IO_PIN_ST(1);
if (ioregs_init[i].bit_or & IO_PIN_OVER_DRVSTR)
mask |= IO_PIN_DS(3);
/*
* DON'T do the "mask, then insert"
* in place on the register, it may
* break access to external hardware
* (like boot ROMs) when configuring
* LPB related pins, while the code to
* configure the pin is read from this
* very address region
*/
clrsetbits_be32(reg + j, mask,
ioregs_init[i].val & mask);
}
}
}
}
......@@ -878,6 +878,19 @@ typedef struct iopin_t {
void iopin_initialize(iopin_t *,int);
/*
* support to adjust individual parts of the IO pin setup
*/
#define IO_PIN_OVER_EACH (1 << 0) /* for compatibility */
#define IO_PIN_OVER_FMUX (1 << 1)
#define IO_PIN_OVER_HOLD (1 << 2)
#define IO_PIN_OVER_PULL (1 << 3)
#define IO_PIN_OVER_STRIG (1 << 4)
#define IO_PIN_OVER_DRVSTR (1 << 5)
void iopin_initialize_bits(iopin_t *, int);
/*
* IIM
*/
......
#
# (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
COBJS-y := $(BOARD).o
COBJS := $(COBJS-y)
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
$(call cmd_link_o_target, $(OBJS))
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
/*
* (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
* (C) Copyright 2009 Dave Srl www.dave.eu
* (C) Copyright 2010 ifm ecomatic GmbH
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*/
#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
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 affect: 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 */
static int eeprom_diag = 1;
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;
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);
printf("DIAG: %s() MAC value [%s]\n",
__func__, getenv("ethaddr"));
}
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();
/*
* check the GPIO keyboard,
* enforced start of the recovery when
* - the appropriate keys were pressed
* - a previous installation was aborted or has failed
* - "some" external software told us to
*/
want_recovery = 0;
keys = gpio_querykbd();
printf("GPIO keyboard status [0x%08X]\n", keys);
/* XXX insist in the _exact_ combination? */
if ((keys & GPIOKEY_BITS_RECOVERY) == GPIOKEY_BITS_RECOVERY) {
printf("GPIO keyboard requested RECOVERY\n");
/* XXX TODO
* refine the logic to detect the first keypress, and
* wait to recheck IF it was the recovery combination?
*/
want_recovery = 1;
}
s = getenv("install_in_progress");
if ((s != NULL) && (*s != '\0')) {
printf("previous installation aborted, running RECOVERY\n");
want_recovery = 1;
}
s = getenv("install_failed");
if ((s != NULL) && (*s != '\0')) {
printf("previous installation FAILED, running RECOVERY\n");
want_recovery = 1;
}
s = getenv("want_recovery");
if ((s != NULL) && (*s != '\0')) {
printf("running RECOVERY according to the request\n");
want_recovery = 1;
}
if (want_recovery)
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));