diff options
Diffstat (limited to 'qemu/roms/u-boot/board/ifm')
| -rw-r--r-- | qemu/roms/u-boot/board/ifm/ac14xx/Makefile | 7 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/ifm/ac14xx/ac14xx.c | 615 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/ifm/o2dnt2/Makefile | 8 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/ifm/o2dnt2/o2dnt2.c | 384 |
4 files changed, 1014 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/ifm/ac14xx/Makefile b/qemu/roms/u-boot/board/ifm/ac14xx/Makefile new file mode 100644 index 000000000..55def6041 --- /dev/null +++ b/qemu/roms/u-boot/board/ifm/ac14xx/Makefile @@ -0,0 +1,7 @@ +# +# (C) Copyright 2009 Wolfgang Denk <wd@denx.de> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := ac14xx.o diff --git a/qemu/roms/u-boot/board/ifm/ac14xx/ac14xx.c b/qemu/roms/u-boot/board/ifm/ac14xx/ac14xx.c new file mode 100644 index 000000000..0fbdfdbf7 --- /dev/null +++ b/qemu/roms/u-boot/board/ifm/ac14xx/ac14xx.c @@ -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) */ diff --git a/qemu/roms/u-boot/board/ifm/o2dnt2/Makefile b/qemu/roms/u-boot/board/ifm/o2dnt2/Makefile new file mode 100644 index 000000000..64d6ba8c5 --- /dev/null +++ b/qemu/roms/u-boot/board/ifm/o2dnt2/Makefile @@ -0,0 +1,8 @@ +# +# (C) Copyright 2005-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := o2dnt2.o diff --git a/qemu/roms/u-boot/board/ifm/o2dnt2/o2dnt2.c b/qemu/roms/u-boot/board/ifm/o2dnt2/o2dnt2.c new file mode 100644 index 000000000..6716ffc9d --- /dev/null +++ b/qemu/roms/u-boot/board/ifm/o2dnt2/o2dnt2.c @@ -0,0 +1,384 @@ +/* + * Partially derived from board code for digsyMTC, + * (C) Copyright 2009 + * Grzegorz Bernacki, Semihalf, gjb@semihalf.com + * + * (C) Copyright 2012 + * DENX Software Engineering, Anatolij Gustschin <agust@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mpc5xxx.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <i2c.h> +#include <miiphy.h> +#include <net.h> +#include <pci.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define SDRAM_MODE 0x00CD0000 +#define SDRAM_CONTROL 0x504F0000 +#define SDRAM_CONFIG1 0xD2322800 +#define SDRAM_CONFIG2 0x8AD70000 + +enum ifm_sensor_type { + O2DNT = 0x00, /* !< O2DNT 32MB */ + O2DNT2 = 0x01, /* !< O2DNT2 64MB */ + O3DNT = 0x02, /* !< O3DNT 32MB */ + O3DNT_MIN = 0x40, /* !< O3DNT Minerva 32MB */ + UNKNOWN = 0xff, /* !< Unknow sensor */ +}; + +static enum ifm_sensor_type gt_ifm_sensor_type; + +#ifndef CONFIG_SYS_RAMBOOT +static void sdram_start(int hi_addr) +{ + struct mpc5xxx_sdram *sdram = (struct mpc5xxx_sdram *)MPC5XXX_SDRAM; + long hi_addr_bit = hi_addr ? 0x01000000 : 0; + long control = SDRAM_CONTROL | hi_addr_bit; + + /* unlock mode register */ + out_be32(&sdram->ctrl, control | 0x80000000); + + /* precharge all banks */ + out_be32(&sdram->ctrl, control | 0x80000002); + + /* auto refresh */ + out_be32(&sdram->ctrl, control | 0x80000004); + + /* set mode register */ + out_be32(&sdram->mode, SDRAM_MODE); + + /* normal operation */ + out_be32(&sdram->ctrl, control); +} +#endif + +/* + * ATTENTION: Although partially referenced initdram does NOT make real use + * use of CONFIG_SYS_SDRAM_BASE. The code does not work if + * CONFIG_SYS_SDRAM_BASE is something else than 0x00000000. + */ +phys_size_t initdram(int board_type) +{ + struct mpc5xxx_mmap_ctl *mmap_ctl = + (struct mpc5xxx_mmap_ctl *)CONFIG_SYS_MBAR; + struct mpc5xxx_sdram *sdram = (struct mpc5xxx_sdram *)MPC5XXX_SDRAM; + ulong dramsize = 0; + ulong dramsize2 = 0; + uint svr, pvr; + + if (gt_ifm_sensor_type == O2DNT2) { + /* activate SDRAM CS1 */ + setbits_be32((void *)MPC5XXX_GPS_PORT_CONFIG, 0x80000000); + } + +#ifndef CONFIG_SYS_RAMBOOT + ulong test1, test2; + + /* setup SDRAM chip selects */ + out_be32(&mmap_ctl->sdram0, 0x0000001E); /* 2 GB at 0x0 */ + out_be32(&mmap_ctl->sdram1, 0x00000000); /* disabled */ + + /* setup config registers */ + out_be32(&sdram->config1, SDRAM_CONFIG1); + out_be32(&sdram->config2, SDRAM_CONFIG2); + + /* find RAM size using SDRAM CS0 only */ + sdram_start(0); + test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000); + sdram_start(1); + test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000); + if (test1 > test2) { + sdram_start(0); + dramsize = test1; + } else { + dramsize = test2; + } + + /* memory smaller than 1MB is impossible */ + if (dramsize < (1 << 20)) + dramsize = 0; + + /* set SDRAM CS0 size according to the amount of RAM found */ + if (dramsize > 0) { + out_be32(&mmap_ctl->sdram0, + (0x13 + __builtin_ffs(dramsize >> 20) - 1)); + } else { + out_be32(&mmap_ctl->sdram0, 0); /* disabled */ + } + + /* let SDRAM CS1 start right after CS0 */ + out_be32(&mmap_ctl->sdram1, dramsize + 0x0000001E); /* 2G */ + + /* find RAM size using SDRAM CS1 only */ + if (!dramsize) + sdram_start(0); + + test2 = test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), + 0x80000000); + if (!dramsize) { + sdram_start(1); + test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), + 0x80000000); + } + + if (test1 > test2) { + sdram_start(0); + dramsize2 = test1; + } else { + dramsize2 = test2; + } + + /* memory smaller than 1MB is impossible */ + if (dramsize2 < (1 << 20)) + dramsize2 = 0; + + /* set SDRAM CS1 size according to the amount of RAM found */ + if (dramsize2 > 0) { + out_be32(&mmap_ctl->sdram1, (dramsize | + (0x13 + __builtin_ffs(dramsize2 >> 20) - 1))); + } else { + out_be32(&mmap_ctl->sdram1, dramsize); /* disabled */ + } + +#else /* CONFIG_SYS_RAMBOOT */ + /* retrieve size of memory connected to SDRAM CS0 */ + dramsize = in_be32(&mmap_ctl->sdram0) & 0xFF; + if (dramsize >= 0x13) + dramsize = (1 << (dramsize - 0x13)) << 20; + else + dramsize = 0; + + /* retrieve size of memory connected to SDRAM CS1 */ + dramsize2 = in_be32(&mmap_ctl->sdram1) & 0xFF; + if (dramsize2 >= 0x13) + dramsize2 = (1 << (dramsize2 - 0x13)) << 20; + else + dramsize2 = 0; + +#endif /* CONFIG_SYS_RAMBOOT */ + + /* + * On MPC5200B we need to set the special configuration delay in the + * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM + * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190: + * + * "The SDelay should be written to a value of 0x00000004. It is + * required to account for changes caused by normal wafer processing + * parameters." + */ + svr = get_svr(); + pvr = get_pvr(); + if ((SVR_MJREV(svr) >= 2) && + (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) + out_be32(&sdram->sdelay, 0x04); + + return dramsize + dramsize2; +} + + +#define GPT_GPIO_IN 0x4 + +int checkboard(void) +{ + struct mpc5xxx_gpt *gpt = (struct mpc5xxx_gpt *)MPC5XXX_GPT; + unsigned char board_config = 0; + int i; + + /* switch gpt0 - gpt7 to input */ + for (i = 0; i < 7; i++) + out_be32(&gpt[i].emsr, GPT_GPIO_IN); + + /* get configuration byte on timer-port */ + for (i = 0; i < 7; i++) + board_config |= (in_be32(&gpt[i].sr) & 0x100) >> (8 - i); + + puts("Board: "); + + switch (board_config) { + case 0: + puts("O2DNT\n"); + gt_ifm_sensor_type = O2DNT; + break; + case 1: + puts("O3DNT\n"); + gt_ifm_sensor_type = O3DNT; + break; + case 2: + puts("O2DNT2\n"); + gt_ifm_sensor_type = O2DNT2; + break; + case 64: + puts("O3DNT Minerva\n"); + gt_ifm_sensor_type = O3DNT_MIN; + break; + default: + puts("Unknown\n"); + gt_ifm_sensor_type = UNKNOWN; + break; + } + + return 0; +} + +int board_early_init_r(void) +{ + struct mpc5xxx_lpb *lpb_regs = (struct mpc5xxx_lpb *)MPC5XXX_LPB; + + /* + * Now, when we are in RAM, enable flash write access for detection + * process. Note that CS_BOOT cannot be cleared when executing in flash. + */ + clrbits_be32(&lpb_regs->cs0_cfg, 1); /* clear RO */ + /* disable CS_BOOT */ + clrbits_be32((void *)MPC5XXX_ADDECR, (1 << 25)); + /* enable CS0 */ + setbits_be32((void *)MPC5XXX_ADDECR, (1 << 16)); + + return 0; +} + +#define MIIM_LXT971_LED_CFG_REG 0x14 +#define LXT971_LED_CFG_LINK_STATUS 0x4000 +#define LXT971_LED_CFG_RX_TX_ACTIVITY 0x0700 +#define LXT971_LED_CFG_LINK_ACTIVITY 0x00D0 +#define LXT971_LED_CFG_PULSE_STRETCH 0x0002 +/* + * Additional PHY intialization after reset in mpc5xxx_fec_init_phy() + */ +void reset_phy(void) +{ + /* + * Set LED configuration bits. + * It can't be done in misc_init_r() since FEC is not + * initialized at this time. Therefore we do it here. + */ + miiphy_write("FEC", CONFIG_PHY_ADDR, MIIM_LXT971_LED_CFG_REG, + LXT971_LED_CFG_LINK_STATUS | + LXT971_LED_CFG_RX_TX_ACTIVITY | + LXT971_LED_CFG_LINK_ACTIVITY | + LXT971_LED_CFG_PULSE_STRETCH); +} + +#if defined(CONFIG_POST) +/* + * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3 + * is left open, no keypress is detected. + */ +int post_hotkeys_pressed(void) +{ + struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *) MPC5XXX_GPIO; + + /* + * Configure PSC6_1 and PSC6_3 as GPIO. PSC6 then couldn't be used in + * CODEC or UART mode. Consumer IrDA should still be possible. + */ + clrbits_be32(&gpio->port_config, 0x07000000); + setbits_be32(&gpio->port_config, 0x03000000); + + /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */ + setbits_be32(&gpio->simple_gpioe, 0x20000000); + + /* Configure GPIO_IRDA_1 as input */ + clrbits_be32(&gpio->simple_ddr, 0x20000000); + + return (in_be32(&gpio->simple_ival) & 0x20000000) ? 0 : 1; +} +#endif + +#ifdef CONFIG_PCI +static struct pci_controller hose; + +void pci_init_board(void) +{ + pci_mpc5xxx_init(&hose); +} +#endif + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) +static void ft_adapt_flash_base(void *blob) +{ + flash_info_t *dev = &flash_info[0]; + int off; + struct fdt_property *prop; + int len; + u32 *reg, *reg2; + + off = fdt_node_offset_by_compatible(blob, -1, "fsl,mpc5200b-lpb"); + if (off < 0) { + printf("Could not find fsl,mpc5200b-lpb node.\n"); + return; + } + + /* found compatible property */ + prop = fdt_get_property_w(blob, off, "ranges", &len); + if (prop) { + reg = reg2 = (u32 *)&prop->data[0]; + + reg[2] = dev->start[0]; + reg[3] = dev->size; + fdt_setprop(blob, off, "ranges", reg2, len); + } else + printf("Could not find ranges\n"); +} + +extern ulong flash_get_size(phys_addr_t base, int banknum); + +/* Update the flash baseaddr settings */ +int update_flash_size(int flash_size) +{ + struct mpc5xxx_mmap_ctl *mm = + (struct mpc5xxx_mmap_ctl *) CONFIG_SYS_MBAR; + flash_info_t *dev; + int i; + int size = 0; + unsigned long base = 0x0; + u32 *cs_reg = (u32 *)&mm->cs0_start; + + for (i = 0; i < 2; i++) { + dev = &flash_info[i]; + + if (dev->size) { + /* calculate new base addr for this chipselect */ + base -= dev->size; + out_be32(cs_reg, START_REG(base)); + cs_reg++; + out_be32(cs_reg, STOP_REG(base, dev->size)); + cs_reg++; + /* recalculate the sectoraddr in the cfi driver */ + size += flash_get_size(base, i); + } + } + flash_protect_default(); + gd->bd->bi_flashstart = base; + return 0; +} +#endif /* defined(CONFIG_SYS_UPDATE_FLASH_SIZE) */ + +void ft_board_setup(void *blob, bd_t *bd) +{ + int phy_addr = CONFIG_PHY_ADDR; + char eth_path[] = "/soc5200@f0000000/mdio@3000/ethernet-phy@0"; + + ft_cpu_setup(blob, bd); + +#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) +#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE + /* Update reg property in all nor flash nodes too */ + fdt_fixup_nor_flash_size(blob); +#endif + ft_adapt_flash_base(blob); +#endif + /* fix up the phy address */ + do_fixup_by_path(blob, eth_path, "reg", &phy_addr, sizeof(int), 0); +} +#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ |