diff options
Diffstat (limited to 'src/mainboard/google/kahlee/variants')
| -rw-r--r-- | src/mainboard/google/kahlee/variants/treeya/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/mainboard/google/kahlee/variants/treeya/mainboard.c | 126 |
2 files changed, 127 insertions, 1 deletions
diff --git a/src/mainboard/google/kahlee/variants/treeya/Makefile.inc b/src/mainboard/google/kahlee/variants/treeya/Makefile.inc index 17ea78eee0..a8ef4baab3 100644 --- a/src/mainboard/google/kahlee/variants/treeya/Makefile.inc +++ b/src/mainboard/google/kahlee/variants/treeya/Makefile.inc @@ -17,4 +17,4 @@ subdirs-y += ./spd romstage-y += ../baseboard/romstage.c -ramstage-y += ../baseboard/mainboard.c +ramstage-y += mainboard.c diff --git a/src/mainboard/google/kahlee/variants/treeya/mainboard.c b/src/mainboard/google/kahlee/variants/treeya/mainboard.c new file mode 100644 index 0000000000..cd42b563e3 --- /dev/null +++ b/src/mainboard/google/kahlee/variants/treeya/mainboard.c @@ -0,0 +1,126 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google LLC + * + * 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; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <ec/google/chromeec/ec.h> +#include <baseboard/variants.h> +#include <boardid.h> +#include <cbfs.h> +#include <gpio.h> +#include <smbios.h> +#include <variant/gpio.h> +#include <device/mmio.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <drivers/generic/bayhub/bh720.h> + +uint32_t sku_id(void) +{ + static int sku = -1; + + if (sku == -1) + sku = google_chromeec_get_sku_id(); + + return sku; +} + +uint8_t variant_board_sku(void) +{ + return sku_id(); +} + +void variant_mainboard_suspend_resume(void) +{ + /* Enable backlight - GPIO 133 active low */ + gpio_set(GPIO_133, 0); +} + +void board_bh720(struct device *dev) +{ + u32 sdbar; + u32 bh720_pcr_data; + + sdbar = pci_read_config32(dev, PCI_BASE_ADDRESS_1); + + /* Enable Memory Access Function */ + write32((void *)(sdbar + BH720_MEM_ACCESS_EN), 0x40000000); + write32((void *)(sdbar + BH720_MEM_RW_DATA), 0x80000000); + write32((void *)(sdbar + BH720_MEM_RW_ADR), 0x800000D0); + + /* Set EMMC VCCQ 1.8V PCR 0x308[4] */ + write32((void *)(sdbar + BH720_MEM_RW_ADR), + BH720_MEM_RW_READ | BH720_PCR_EMMC_SETTING); + bh720_pcr_data = read32((void *)(sdbar + BH720_MEM_RW_DATA)); + write32((void *)(sdbar + BH720_MEM_RW_DATA), + bh720_pcr_data | BH720_PCR_EMMC_SETTING_1_8V); + write32((void *)(sdbar + BH720_MEM_RW_ADR), + BH720_MEM_RW_WRITE | BH720_PCR_EMMC_SETTING); + + /* Set Base clock to 200MHz(PCR 0x304[31:16] = 0x2510) */ + write32((void *)(sdbar + BH720_MEM_RW_ADR), + BH720_MEM_RW_READ | BH720_PCR_DrvStrength_PLL); + bh720_pcr_data = read32((void *)(sdbar + BH720_MEM_RW_DATA)); + bh720_pcr_data &= 0x0000FFFF; + bh720_pcr_data |= 0x2510 << 16; + write32((void *)(sdbar + BH720_MEM_RW_DATA), bh720_pcr_data); + write32((void *)(sdbar + BH720_MEM_RW_ADR), + BH720_MEM_RW_WRITE | BH720_PCR_DrvStrength_PLL); + + /* Use PLL Base clock PCR 0x3E4[22] = 1 */ + write32((void *)(sdbar + BH720_MEM_RW_ADR), + BH720_MEM_RW_READ | BH720_PCR_CSR); + bh720_pcr_data = read32((void *)(sdbar + BH720_MEM_RW_DATA)); + write32((void *)(sdbar + BH720_MEM_RW_DATA), + bh720_pcr_data | BH720_PCR_CSR_EMMC_MODE_SEL); + write32((void *)(sdbar + BH720_MEM_RW_ADR), + BH720_MEM_RW_WRITE | BH720_PCR_CSR); + + /* Disable Memory Access */ + write32((void *)(sdbar + BH720_MEM_RW_DATA), 0x80000001); + write32((void *)(sdbar + BH720_MEM_RW_ADR), 0x800000D0); + write32((void *)(sdbar + BH720_MEM_ACCESS_EN), 0x80000000); + + /* Tune VIH */ + pci_write_config32(dev, BH720_PROTECT, + BH720_PROTECT_OFF | BH720_PROTECT_LOCK_OFF); + bh720_pcr_data = pci_read_config32(dev, BH720_PCR_DrvStrength_PLL); + bh720_pcr_data &= 0xFFFFFF00; + /* CLK = 3 and DAT = 2 */ + bh720_pcr_data |= 0x35; + pci_write_config32(dev, BH720_PCR_DrvStrength_PLL, bh720_pcr_data); + pci_write_config32(dev, BH720_PROTECT, + BH720_PROTECT_ON | BH720_PROTECT_LOCK_ON); +} + + +const char *smbios_mainboard_manufacturer(void) +{ + static char oem_bin_data[11]; + static const char *manuf; + + if (!CONFIG(USE_OEM_BIN)) + return CONFIG_MAINBOARD_SMBIOS_MANUFACTURER; + + if (manuf) + return manuf; + + if (cbfs_boot_load_file("oem.bin", oem_bin_data, + sizeof(oem_bin_data) - 1, + CBFS_TYPE_RAW)) + manuf = &oem_bin_data[0]; + else + manuf = CONFIG_MAINBOARD_SMBIOS_MANUFACTURER; + + return manuf; +} |