/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2011  Alexandru Gagniuc <mr.nuke.me@gmail.com>
 *
 * 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, either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

/**
 * @file post_codes.h
 *
 * This aims to be a central point for POST codes used throughout coreboot.
 * All POST codes should be declared here as macros, and post_code() should
 * be used with the macros instead of hardcoded values. This allows us to
 * quicly reference POST codes when nothing is working
 *
 * The format for a POST code macro is
 * #define POST_WHAT_WE_COMMUNICATE_IS_HAPPENING_WHEN_THIS_CODE_IS_POSTED
 * Lets's keep it at POST_* instead of POST_CODE_*
 *
 * This file is also included by early assembly files. Only use #define s;
 * no function prototypes allowed here
 *
 * DOCUMENTATION:
 * Please document any and all post codes using Doxygen style comments. We
 * want to be able to generate a verbose enough documentation that is useful
 * during debugging. Failure to do so will result in your patch being rejected
 * without any explanation or effort on part of the maintainers.
 *
 */
#ifndef POST_CODES_H
#define POST_CODES_H

/**
 * \brief  Entry into 'crt0.s'. reset code jumps to here
 *
 * First instruction that gets executed after the reset vector jumps.
 * This indicates that the reset vector points to the correct code segment.
 */
#define POST_RESET_VECTOR_CORRECT		0x01

/**
 * \brief Entry into protected mode
 *
 * Preparing to enter protected mode. This is POSTed right before changing to
 * protected mode.
 */
#define POST_ENTER_PROTECTED_MODE		0x10

/**
 * \brief Start copying coreboot to RAM with decompression if compressed
 *
 * POSTed before ramstage is about to be loaded into memory
 */
#define POST_PREPARE_RAMSTAGE 			0x11

/**
 * \brief Copy/decompression finished; jumping to RAM
 *
 * This is called after ramstage is loaded in memory, and before
 * the code jumps there. This represents the end of romstage.
 */
#define POST_RAMSTAGE_IS_PREPARED		0x12


/**
 * \brief Entry into c_start
 *
 * c_start.S is the first code executing in ramstage.
 */
#define POST_ENTRY_C_START			0x13

/**
 * \brief Pre call to hardwaremain()
 *
 * POSTed right before hardwaremain is called from c_start.S
 * TODO: Change this code to a lower number
 */
#define POST_PRE_HARDWAREMAIN			0x79

/**
 * \brief Entry into coreboot in hardwaremain (RAM)
 *
 * This is the first call in hardwaremain.c. If this code is POSTed, then
 * ramstage has succesfully loaded and started executing.
 */
#define POST_ENTRY_RAMSTAGE			0x80

/**
 * \brief Console is initialized
 *
 * The console is initialized and is ready for usage
 */
#define POST_CONSOLE_READY			0x39

/**
 * \brief Console boot message succeeded
 *
 * First console message has been succesfully sent through the console backend
 * driver.
 */
#define POST_CONSOLE_BOOT_MSG			0x40

/**
 * \brief Before enabling the cache
 *
 * Going to enable the cache
 */
#define POST_ENABLING_CACHE			0x60

/**
 * \brief Devices have been enumerated
 *
 * Bus scan, and device enumeration has completed.
 */
#define POST_DEVICE_ENUMERATION_COMPLETE	0x66

/**
 * \brief Devices have been configured
 *
 * Device confgration has completed.
 */
#define POST_DEVICE_CONFIGURATION_COMPLETE	0x88

/**
 * \brief Devices have been enabled
 *
 * Devices have been enabled.
 */
#define POST_DEVICES_ENABLED			0x89

/**
 * \brief Devices have been initialized
 *
 * Devices have been initialized.
 */
#define POST_DEVICES_INITIALIZED		0x8a

/**
 * \brief Entry into elf boot
 *
 * This POST code is called right before invoking jmp_to_elf_entry()
 * jmp_to_elf_entry() invokes the payload, and should never return
 */
#define POST_ENTER_ELF_BOOT			0xf8

/**
 * \brief Jumping to payload
 *
 * Called right before jumping to a payload. If the boot sequence stops with
 * this code, chances are the payload freezes.
 */
#define POST_JUMPING_TO_PAYLOAD			0xf3

/**
 * \brief Not supposed to get here
 *
 * A function that should not have returned, returned
 *
 * Check the console output for details.
 */
#define POST_DEAD_CODE				0xee

/**
 * \brief Final code before OS resumes
 *
 * Called right before jumping to the OS resume vector.
 */
#define POST_OS_RESUME				0xfd

/**
 * \brief Final code before OS boots
 *
 * This may not be called depending on the payload used.
 */
#define POST_OS_BOOT				0xfe

/**
 * \brief Elfload fail or die() called
 *
 * Coreboot was not able to load the payload, no payload was detected
 * or die() was called.
 * \n
 * If this code appears before entering ramstage, then most likely
 * ramstage is corrupted, and reflashing of the ROM chip is needed.
 * \n
 * If this code appears after ramstage, there is a problem with the payload
 * If the payload was built out-of-tree, check that it was compiled as
 * a coreboot payload
 * \n
 * Check the console output to see exactly where the failure occured.
 */
#define POST_DIE 				0xff


/*
 * The following POST codes are taken from src/include/cpu/amd/geode_post_code.h
 * They overlap with previous codes, and most are not even used
 * Some maiboards still require them, but they are deprecated. We want to consolidate
 * our own POST code structure with the codes above.
 *
 * standard AMD post definitions for the AMD Geode
 */
#define POST_Output_Port			(0x080)	/*	port to write post codes to*/

#define POST_preSioInit				(0x000)
#define POST_clockInit				(0x001)
#define POST_CPURegInit				(0x002)
#define POST_UNREAL				(0x003)
#define POST_CPUMemRegInit			(0x004)
#define POST_CPUTest				(0x005)
#define POST_memSetup				(0x006)
#define POST_memSetUpStack			(0x007)
#define POST_memTest				(0x008)
#define POST_shadowRom				(0x009)
#define POST_memRAMoptimize			(0x00A)
#define POST_cacheInit				(0x00B)
#define POST_northBridgeInit			(0x00C)
#define POST_chipsetInit			(0x00D)
#define POST_sioTest				(0x00E)
#define POST_pcATjunk				(0x00F)

#define POST_intTable				(0x010)
#define POST_memInfo				(0x011)
#define POST_romCopy				(0x012)
#define POST_PLLCheck				(0x013)
#define POST_keyboardInit			(0x014)
#define POST_cpuCacheOff			(0x015)
#define POST_BDAInit				(0x016)
#define POST_pciScan				(0x017)
#define POST_optionRomInit			(0x018)
#define POST_ResetLimits			(0x019)
#define POST_summary_screen			(0x01A)
#define POST_Boot				(0x01B)
#define POST_SystemPreInit			(0x01C)
#define POST_ClearRebootFlag			(0x01D)
#define POST_GLIUInit				(0x01E)
#define POST_BootFailed				(0x01F)

#define POST_CPU_ID				(0x020)
#define POST_COUNTERBROKEN			(0x021)
#define POST_DIFF_DIMMS				(0x022)
#define POST_WIGGLE_MEM_LINES			(0x023)
#define POST_NO_GLIU_DESC			(0x024)
#define POST_CPU_LCD_CHECK			(0x025)
#define POST_CPU_LCD_PASS			(0x026)
#define POST_CPU_LCD_FAIL			(0x027)
#define POST_CPU_STEPPING			(0x028)
#define POST_CPU_DM_BIST_FAILURE		(0x029)
#define POST_CPU_FLAGS				(0x02A)
#define POST_CHIPSET_ID				(0x02B)
#define POST_CHIPSET_ID_PASS			(0x02C)
#define POST_CHIPSET_ID_FAIL			(0x02D)
#define POST_CPU_ID_GOOD			(0x02E)
#define POST_CPU_ID_FAIL			(0x02F)

/*	PCI config*/
#define P80_PCICFG				(0x030)

/*	PCI io*/
#define P80_PCIIO				(0x040)

/*	PCI memory*/
#define P80_PCIMEM				(0x050)

/*	SIO*/
#define P80_SIO					(0x060)

/*	Memory Setp*/
#define P80_MEM_SETUP				(0x070)
#define POST_MEM_SETUP				(0x070)
#define ERROR_32BIT_DIMMS			(0x071)
#define POST_MEM_SETUP2				(0x072)
#define POST_MEM_SETUP3				(0x073)
#define POST_MEM_SETUP4				(0x074)
#define POST_MEM_SETUP5				(0x075)
#define POST_MEM_ENABLE				(0x076)
#define ERROR_NO_DIMMS				(0x077)
#define ERROR_DIFF_DIMMS			(0x078)
#define ERROR_BAD_LATENCY			(0x079)
#define ERROR_SET_PAGE				(0x07A)
#define ERROR_DENSITY_DIMM			(0x07B)
#define ERROR_UNSUPPORTED_DIMM			(0x07C)
#define ERROR_BANK_SET				(0x07D)
#define POST_MEM_SETUP_GOOD			(0x07E)
#define POST_MEM_SETUP_FAIL			(0x07F)

#define POST_UserPreInit			(0x080)
#define POST_UserPostInit			(0x081)
#define POST_Equipment_check			(0x082)
#define POST_InitNVRAMBX			(0x083)
#define POST_NoPIRTable				(0x084)
#define POST_ChipsetFingerPrintPass		(0x085)
#define POST_ChipsetFingerPrintFail		(0x086)
#define POST_CPU_IM_TAG_BIST_FAILURE		(0x087)
#define POST_CPU_IM_DATA_BIST_FAILURE		(0x088)
#define POST_CPU_FPU_BIST_FAILURE		(0x089)
#define POST_CPU_BTB_BIST_FAILURE		(0x08A)
#define POST_CPU_EX_BIST_FAILURE		(0x08B)
#define POST_Chipset_PI_Test_Fail		(0x08C)
#define POST_Chipset_SMBus_SDA_Test_Fail	(0x08D)
#define POST_BIT_CLK_Fail			(0x08E)

#define POST_STACK_SETUP			(0x090)
#define POST_CPU_PF_BIST_FAILURE		(0x091)
#define POST_CPU_L2_BIST_FAILURE		(0x092)
#define POST_CPU_GLCP_BIST_FAILURE		(0x093)
#define POST_CPU_DF_BIST_FAILURE		(0x094)
#define POST_CPU_VG_BIST_FAILURE		(0x095)
#define POST_CPU_VIP_BIST_FAILURE		(0x096)
#define POST_STACK_SETUP_PASS			(0x09E)
#define POST_STACK_SETUP_FAIL			(0x09F)

#define POST_PLL_INIT				(0x0A0)
#define POST_PLL_MANUAL				(0x0A1)
#define POST_PLL_STRAP				(0x0A2)
#define POST_PLL_RESET_FAIL			(0x0A3)
#define POST_PLL_PCI_FAIL			(0x0A4)
#define POST_PLL_MEM_FAIL			(0x0A5)
#define POST_PLL_CPU_VER_FAIL			(0x0A6)

#define POST_MEM_TESTMEM			(0x0B0)
#define POST_MEM_TESTMEM1			(0x0B1)
#define POST_MEM_TESTMEM2			(0x0B2)
#define POST_MEM_TESTMEM3			(0x0B3)
#define POST_MEM_TESTMEM4			(0x0B4)
#define POST_MEM_TESTMEM_PASS			(0x0BE)
#define POST_MEM_TESTMEM_FAIL			(0x0BF)

#define POST_SECUROM_SECBOOT_START		(0x0C0)
#define POST_SECUROM_BOOTSRCSETUP		(0x0C1)
#define POST_SECUROM_REMAP_FAIL			(0x0C2)
#define POST_SECUROM_BOOTSRCSETUP_FAIL		(0x0C3)
#define POST_SECUROM_DCACHESETUP		(0x0C4)
#define POST_SECUROM_DCACHESETUP_FAIL		(0x0C5)
#define POST_SECUROM_ICACHESETUP		(0x0C6)
#define POST_SECUROM_DESCRIPTORSETUP		(0x0C7)
#define POST_SECUROM_DCACHESETUPBIOS		(0x0C8)
#define POST_SECUROM_PLATFORMSETUP		(0x0C9)
#define POST_SECUROM_SIGCHECKBIOS		(0x0CA)
#define POST_SECUROM_ICACHESETUPBIOS		(0x0CB)
#define POST_SECUROM_PASS			(0x0CC)
#define POST_SECUROM_FAIL			(0x0CD)

#define POST_RCONFInitError			(0x0CE)
#define POST_CacheInitError			(0x0CF)

#define POST_ROM_PREUNCOMPRESS			(0x0D0)
#define POST_ROM_UNCOMPRESS			(0x0D1)
#define POST_ROM_SMM_INIT			(0x0D2)
#define POST_ROM_VID_BIOS			(0x0D3)
#define POST_ROM_LCDINIT			(0x0D4)
#define POST_ROM_SPLASH				(0x0D5)
#define POST_ROM_HDDINIT			(0x0D6)
#define POST_ROM_SYS_INIT			(0x0D7)
#define POST_ROM_DMM_INIT			(0x0D8)
#define POST_ROM_TVINIT				(0x0D9)
#define POST_ROM_POSTUNCOMPRESS			(0x0DE)

#define P80_CHIPSET_INIT			(0x0E0)
#define POST_PreChipsetInit			(0x0E1)
#define POST_LateChipsetInit			(0x0E2)
#define POST_NORTHB_INIT			(0x0E8)

#define POST_INTR_SEG_JUMP			(0x0F0)

#endif /* THE_ALMIGHTY_POST_CODES_H */