diff options
Diffstat (limited to 'arch/x86/include/asm/arch-ivybridge/pei_data.h')
| -rw-r--r-- | arch/x86/include/asm/arch-ivybridge/pei_data.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-ivybridge/pei_data.h b/arch/x86/include/asm/arch-ivybridge/pei_data.h new file mode 100644 index 0000000000..5026c8bab3 --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/pei_data.h @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2011, Google Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef ASM_ARCH_PEI_DATA_H +#define ASM_ARCH_PEI_DATA_H + +struct pch_usb3_controller_settings { + /* 0: Disable, 1: Enable, 2: Auto, 3: Smart Auto */ + uint16_t mode; + /* 4 bit mask, 1: switchable, 0: not switchable */ + uint16_t hs_port_switch_mask; + /* 0: No xHCI preOS driver, 1: xHCI preOS driver */ + uint16_t preboot_support; + /* 0: Disable, 1: Enable */ + uint16_t xhci_streams; +}; + +typedef asmlinkage void (*tx_byte_func)(unsigned char byte); + +#define PEI_VERSION 6 + +struct __packed pei_data { + uint32_t pei_version; + uint32_t mchbar; + uint32_t dmibar; + uint32_t epbar; + uint32_t pciexbar; + uint16_t smbusbar; + uint32_t wdbbar; + uint32_t wdbsize; + uint32_t hpet_address; + uint32_t rcba; + uint32_t pmbase; + uint32_t gpiobase; + uint32_t thermalbase; + uint32_t system_type; /* 0 Mobile, 1 Desktop/Server */ + uint32_t tseg_size; + uint8_t spd_addresses[4]; + uint8_t ts_addresses[4]; + int boot_mode; + int ec_present; + int gbe_enable; + /* + * 0 = leave channel enabled + * 1 = disable dimm 0 on channel + * 2 = disable dimm 1 on channel + * 3 = disable dimm 0+1 on channel + */ + int dimm_channel0_disabled; + int dimm_channel1_disabled; + /* Seed values saved in CMOS */ + uint32_t scrambler_seed; + uint32_t scrambler_seed_s3; + /* Data read from flash and passed into MRC */ + unsigned char *mrc_input; + unsigned int mrc_input_len; + /* Data from MRC that should be saved to flash */ + unsigned char *mrc_output; + unsigned int mrc_output_len; + /* + * Max frequency DDR3 could be ran at. Could be one of four values: + * 800, 1067, 1333, 1600 + */ + uint32_t max_ddr3_freq; + /* + * USB Port Configuration: + * [0] = enable + * [1] = overcurrent pin + * [2] = length + * + * Ports 0-7 can be mapped to OC0-OC3 + * Ports 8-13 can be mapped to OC4-OC7 + * + * Port Length + * MOBILE: + * < 0x050 = Setting 1 (back panel, 1-5in, lowest tx amplitude) + * < 0x140 = Setting 2 (back panel, 5-14in, highest tx amplitude) + * DESKTOP: + * < 0x080 = Setting 1 (front/back panel, <8in, lowest tx amplitude) + * < 0x130 = Setting 2 (back panel, 8-13in, higher tx amplitude) + * < 0x150 = Setting 3 (back panel, 13-15in, higest tx amplitude) + */ + uint16_t usb_port_config[16][3]; + /* See the usb3 struct above for details */ + struct pch_usb3_controller_settings usb3; + /* + * SPD data array for onboard RAM. Specify address 0xf0, + * 0xf1, 0xf2, 0xf3 to index one of the 4 slots in + * spd_address for a given "DIMM". + */ + uint8_t spd_data[4][256]; + tx_byte_func tx_byte; + int ddr3lv_support; + /* + * pcie_init needs to be set to 1 to have the system agent initialise + * PCIe. Note: This should only be required if your system has Gen3 + * devices and it will increase your boot time by at least 100ms. + */ + int pcie_init; + /* + * N mode functionality. Leave this setting at 0. + * 0 Auto + * 1 1N + * 2 2N + */ + int nmode; + /* + * DDR refresh rate config. JEDEC Standard No.21-C Annex K allows + * for DIMM SPD data to specify whether double-rate is required for + * extended operating temperature range. + * 0 Enable double rate based upon temperature thresholds + * 1 Normal rate + * 2 Always enable double rate + */ + int ddr_refresh_rate_config; +}; + +#endif |