Working SPD reading in fwstart.img
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
a1efcc79d3
commit
7517048135
8 changed files with 321 additions and 12 deletions
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@ -19,17 +19,23 @@
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#ifndef GRUB_CS5536_HEADER
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#define GRUB_CS5536_HEADER 1
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#ifndef ASM_FILE
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#include <grub/pci.h>
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#include <grub/err.h>
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#include <grub/smbus.h>
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#endif
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#define GRUB_CS5536_PCIID 0x208f1022
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#define GRUB_CS5536_MSR_MAILBOX_ADDR 0xf4
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#define GRUB_CS5536_MSR_MAILBOX_DATA0 0xf8
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#define GRUB_CS5536_MSR_MAILBOX_DATA1 0xfc
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#define GRUB_CS5536_MSR_SMB_BAR 0x8000000b
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#define GRUB_CS5536_MSR_GPIO_BAR 0x8000000c
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#define GRUB_CS5536_SMB_REG_DATA 0x0
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#define GRUB_CS5536_SMB_REG_STATUS 0x1
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#define GRUB_CS5536_SMB_REG_STATUS_SDAST (1 << 6)
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#define GRUB_CS5536_SMB_REG_STATUS_BER (1 << 5)
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#define GRUB_CS5536_SMB_REG_STATUS_NACK (1 << 4)
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#define GRUB_CS5536_SMB_REG_CTRL1 0x3
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#define GRUB_CS5536_SMB_REG_CTRL1_START 0x01
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#define GRUB_CS5536_SMB_REG_CTRL1_STOP 0x02
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@ -41,11 +47,19 @@
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#define GRUB_CS5536_SMB_REG_CTRL3 0x6
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#define GRUB_CS5536_LBAR_ADDR_MASK 0x000000000000fff8ULL
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#define GRUB_CS5536_LBAR_ADDR_OFF 3
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#define GRUB_CS5536_LBAR_ENABLE 0x0000000100000000ULL
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#define GRUB_SMB_RAM_START_ADDR 0x50
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#define GRUB_SMB_RAM_NUM_MAX 0x08
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/* PMON-compatible LBARs. */
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#define GRUB_CS5536_LBAR_GPIO 0x0b000
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#define GRUB_CS5536_LBAR_SMBUS 0x0b390
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#define GRUB_GPIO_SMBUS_PINS ((1 << 14) | (1 << 15))
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#define GRUB_GPIO_REG_OUT_EN 0x4
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#define GRUB_GPIO_REG_OUT_AUX1 0x10
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#define GRUB_GPIO_REG_IN_EN 0x20
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#define GRUB_GPIO_REG_IN_AUX1 0x34
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#ifndef ASM_FILE
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int grub_cs5536_find (grub_pci_device_t *devp);
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grub_uint64_t grub_cs5536_read_msr (grub_pci_device_t dev, grub_uint32_t addr);
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@ -58,5 +72,6 @@ grub_err_t grub_cs5536_read_spd (grub_port_t smbbase, grub_uint8_t dev,
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grub_err_t grub_cs5536_smbus_wait (grub_port_t smbbase);
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grub_err_t grub_cs5536_init_smbus (grub_pci_device_t dev, grub_uint16_t divisor,
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grub_port_t *smbbase);
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#endif
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#endif
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@ -0,0 +1,27 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_BOOT_MACHINE_HEADER
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#define GRUB_BOOT_MACHINE_HEADER 1
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#define GRUB_MACHINE_FLASH_START 0xbfc00000
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#define GRUB_MACHINE_FLASH_TLB_REFILL 0xbfc00200
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#define GRUB_MACHINE_FLASH_CACHE_ERROR 0xbfc00300
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#define GRUB_MACHINE_FLASH_OTHER_EXCEPTION 0xbfc00380
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#endif
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@ -19,16 +19,24 @@
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#ifndef GRUB_MACHINE_PCI_H
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#define GRUB_MACHINE_PCI_H 1
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#ifndef ASM_FILE
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#include <grub/types.h>
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#include <grub/cpu/io.h>
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#endif
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#define GRUB_PCI_NUM_BUS 1
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#define GRUB_PCI_NUM_DEVICES 16
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#define GRUB_MACHINE_PCI_IO_BASE 0xbfd00000
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#define GRUB_MACHINE_PCI_CONFSPACE 0xbfe80000
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#ifndef ASM_FILE
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#define GRUB_MACHINE_PCI_CONF_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00118)
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#define GRUB_MACHINE_PCI_IO_CTRL_REG (*(volatile grub_uint32_t *) 0xbfe00110)
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#else
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#define GRUB_MACHINE_PCI_CONF_CTRL_REG_HI 0xbfe0
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#define GRUB_MACHINE_PCI_CONF_CTRL_REG_LO 0x0118
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#endif
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#define GRUB_MACHINE_PCI_WIN_MASK_SIZE 6
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#define GRUB_MACHINE_PCI_WIN_MASK ((1 << GRUB_MACHINE_PCI_WIN_MASK_SIZE) - 1)
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@ -46,6 +54,7 @@
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#define GRUB_MACHINE_PCI_WIN2_ADDR 0xb4000000
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#define GRUB_MACHINE_PCI_WIN3_ADDR 0xb8000000
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#ifndef ASM_FILE
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static inline grub_uint32_t
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grub_pci_read (grub_pci_address_t addr)
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{
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@ -101,5 +110,6 @@ void
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grub_pci_device_unmap_range (grub_pci_device_t dev __attribute__ ((unused)),
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volatile void *mem,
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grub_size_t size __attribute__ ((unused)));
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#endif
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#endif /* GRUB_MACHINE_PCI_H */
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@ -19,8 +19,10 @@
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#ifndef GRUB_PCI_H
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#define GRUB_PCI_H 1
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#ifndef ASM_FILE
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#include <grub/types.h>
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#include <grub/symbol.h>
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#endif
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#define GRUB_PCI_ADDR_SPACE_MASK 0x01
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#define GRUB_PCI_ADDR_SPACE_MEMORY 0x00
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@ -66,6 +68,7 @@
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#define GRUB_PCI_REG_MIN_GNT 0x3e
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#define GRUB_PCI_REG_MAX_LAT 0x3f
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#ifndef ASM_FILE
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typedef grub_uint32_t grub_pci_id_t;
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#ifdef GRUB_UTIL
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@ -106,5 +109,6 @@ grub_pci_address_t EXPORT_FUNC(grub_pci_make_address) (grub_pci_device_t dev,
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int reg);
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void EXPORT_FUNC(grub_pci_iterate) (grub_pci_iteratefunc_t hook);
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#endif
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#endif /* GRUB_PCI_H */
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@ -19,6 +19,9 @@
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#ifndef GRUB_SMBUS_HEADER
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#define GRUB_SMBUS_HEADER 1
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#define GRUB_SMB_RAM_START_ADDR 0x50
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#define GRUB_SMB_RAM_NUM_MAX 0x08
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struct grub_smbus_spd
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{
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grub_uint8_t written_size;
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