diff options
Diffstat (limited to 'src/mainboard/lippert/frontrunner-af/variants/frontrunner-af/mainboard.c')
| -rw-r--r-- | src/mainboard/lippert/frontrunner-af/variants/frontrunner-af/mainboard.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/mainboard/lippert/frontrunner-af/variants/frontrunner-af/mainboard.c b/src/mainboard/lippert/frontrunner-af/variants/frontrunner-af/mainboard.c new file mode 100644 index 0000000000..71d0f415df --- /dev/null +++ b/src/mainboard/lippert/frontrunner-af/variants/frontrunner-af/mainboard.c @@ -0,0 +1,141 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <stdlib.h> +#include <amdblocks/acpimmio.h> +#include <console/console.h> +#include <device/device.h> +#include <arch/io.h> +#include <device/mmio.h> +#include <device/pci_ops.h> +#include <device/pci_def.h> +#include <southbridge/amd/cimx/sb800/SBPLATFORM.h> +#include <vendorcode/amd/cimx/sb800/OEM.h> /* SMBUS0_BASE_ADDRESS */ +#include <southbridge/amd/cimx/sb800/gpio_oem.h> +#include "sema.h" + +/* Init SIO GPIOs. */ +#define SIO_RUNTIME_BASE 0x0E00 +static const u16 sio_init_table[] = { // hi = offset, lo = value + 0x4BA0, // GP1x: COM1/2 control = RS232, no term, max 115200 + 0x2300, // GP10: COM1 termination = push/pull output + 0x2400, // GP11: COM2 termination = push/pull output + 0x2500, // GP12: COM1 RS485 mode = push/pull output + 0x2600, // GP13: COM2 RS485 mode = push/pull output + 0x2700, // GP14: COM1 speed A = push/pull output + 0x2900, // GP15: COM1 speed B = push/pull output + 0x2A00, // GP16: COM2 speed A = push/pull output + 0x2B00, // GP17: COM2 speed B = push/pull output + + 0x3904, // GP36 = KBDRST# function + + 0x4E74, // GP4x: Ethernet enable = on + 0x6E84, // GP44: Ethernet enable = open drain output + + // GP5x = COM2 function instead of GPIO + 0x3F05, 0x4005, 0x4105, 0x4204, 0x4305, 0x4404, 0x4505, 0x4604, + + 0x470C, // GP60 = WDT function + 0x5E00, // LED2: Live LED = off + 0x4884, // GP61: Live LED = LED2 function + + 0x5038, // GP6x: USB power = 3x on + 0x5580, // GP63: USB power 0/1 = open drain output + 0x5680, // GP64: USB power 2/3 = open drain output + 0x5780, // GP65: USB power 4/5 = open drain output +}; + +static void init(struct device *dev) +{ + volatile u8 *spi_base; /* base addr of Hudson's SPI host controller */ + int i; + printk(BIOS_DEBUG, CONFIG_MAINBOARD_PART_NUMBER " ENTER %s\n", __func__); + + /* Init Hudson GPIOs. */ + printk(BIOS_DEBUG, "Init FCH GPIOs @ 0x%08x\n", ACPI_MMIO_BASE+GPIO_BASE); + /* GPIO50: FCH_ARST#_GATE resets stuck PCIe devices */ + iomux_write8(50, 2); + /* output set to 1 as it's never needed */ + iomux_write8(50, 0xc0); + /* GPIO197: BIOS_DEFAULTS# = input (int. PU) */ + iomux_write8(197, 2); + /* GPIO58-56: REV_ID2-0 */ + iomux_write8(56, 1); + /* inputs, disable int. pull-ups */ + gpio_100_write8(56, 0x28); + iomux_write8(57, 1); + gpio_100_write8(57, 0x28); + iomux_write8(58, 1); + gpio_100_write8(58, 0x28); + /* "Gpio96": GEVENT0# signal on X2 connector (int. PU) */ + iomux_write8(96, 1); + /* GPIO52,61,62,187-192 free to use on X2 connector */ + iomux_write8(52, 1); + /* default to inputs with int. PU */ + iomux_write8(61, 2); + iomux_write8(62, 2); + iomux_write8(187, 2); + iomux_write8(188, 2); + iomux_write8(189, 1); + iomux_write8(190, 1); + iomux_write8(191, 1); + iomux_write8(192, 1); + /* just in case anyone cares */ + if (!fch_gpio_state(197)) + printk(BIOS_INFO, "BIOS_DEFAULTS jumper is present.\n"); + printk(BIOS_INFO, "Board revision ID: %u\n", + fch_gpio_state(58)<<2 | fch_gpio_state(57)<<1 | fch_gpio_state(56)); + + /* Init SIO GPIOs. */ + printk(BIOS_DEBUG, "Init SIO GPIOs @ 0x%04x\n", SIO_RUNTIME_BASE); + for (i = 0; i < ARRAY_SIZE(sio_init_table); i++) { + u16 val = sio_init_table[i]; + outb((u8)val, SIO_RUNTIME_BASE + (val >> 8)); + } + + /* Lower SPI speed from default 66 to 22 MHz for SST 25VF032B */ + spi_base = (u8 *)((uintptr_t)pci_read_config32(pcidev_on_root(0x14, 3), + 0xA0) & 0xFFFFFFE0); + /* NormSpeed in SPI_Cntrl1 register */ + spi_base[0x0D] = (spi_base[0x0D] & ~0x30) | 0x20; + + /* + * Notify the SMC we're alive and kicking, or after a while it will + * effect a power cycle and switch to the alternate BIOS chip. + * Should be done as late as possible. + * Failure here does not matter if watchdog was already disabled, + * by configuration or previous boot, so ignore return value. + */ + sema_send_alive(); + + printk(BIOS_DEBUG, CONFIG_MAINBOARD_PART_NUMBER " EXIT %s\n", __func__); +} + +/********************************************** + * Enable the dedicated functions of the board. + **********************************************/ +static void mainboard_enable(struct device *dev) +{ + printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n"); + dev->ops->init = init; + + /* enable GPP CLK0 */ + /* disable GPP CLK1 thru SLT_GFX_CLK */ + misc_write8(0, 0x0f); + misc_write8(1, 0); + misc_write8(2, 0); + misc_write8(3, 0); + misc_write8(4, 0); + + /* + * Initialize ASF registers to an arbitrary address because someone + * long ago set things up this way inside the SPD read code. The + * SPD read code has been made generic and moved out of the board + * directory, so the ASF init is being done here. + */ + pm_write8(0x29, 0x80); + pm_write8(0x28, 0x61); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; |