| /* |
| * (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_ethaddr(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(void) |
| { |
| 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; |
| } |
| |
| #ifdef CONFIG_OF_BOARD_SETUP |
| int ft_board_setup(void *blob, bd_t *bd) |
| { |
| ft_cpu_setup(blob, bd); |
| |
| return 0; |
| } |
| #endif /* CONFIG_OF_BOARD_SETUP */ |