diff options
| -rw-r--r-- | src/soc/intel/quark/Kconfig | 44 | ||||
| -rw-r--r-- | src/soc/intel/quark/Makefile.inc | 7 | ||||
| -rw-r--r-- | src/soc/intel/quark/include/soc/QuarkNcSocId.h | 796 | ||||
| -rw-r--r-- | src/soc/intel/quark/memmap.c | 7 | ||||
| -rw-r--r-- | src/soc/intel/quark/romstage/Makefile.inc | 16 | ||||
| -rw-r--r-- | src/soc/intel/quark/romstage/esram_init.inc | 498 |
6 files changed, 1368 insertions, 0 deletions
diff --git a/src/soc/intel/quark/Kconfig b/src/soc/intel/quark/Kconfig index 866b66d011..1bfab49c95 100644 --- a/src/soc/intel/quark/Kconfig +++ b/src/soc/intel/quark/Kconfig @@ -28,4 +28,48 @@ config CPU_SPECIFIC_OPTIONS select ARCH_VERSTAGE_X86_32 select USE_MARCH_586 +##### +# Flash layout +# Specify the size of the coreboot file system in the read-only +# (recovery) portion of the flash part. +##### + +config CBFS_SIZE + hex + default 0x200000 + help + Specify the size of the coreboot file system in the read-only (recovery) + portion of the flash part. On Quark systems the firmware image stores + more than just coreboot, including: + - The chipset microcode (RMU) binary file located at 0xFFF00000 + - Intel Trusted Execution Engine firmware + +##### +# RMU binary +# The following options control the Quark chipset microcode file +# placement in the flash image. This file is required to bring +# the Quark processor out of reset. +##### + +config ADD_RMU_FILE + bool "Should the RMU binary be added to the flash image?" + default n + help + The RMU file is required to get the chip out of reset. + +config RMU_FILE + string + default "3rdparty/blobs/soc/intel/quark/rmu.bin" + depends on ADD_RMU_FILE + help + The path and filename of the Intel Quark RMU binary. + +config RMU_LOC + hex + default 0xfff00000 + depends on ADD_RMU_FILE + help + The location in CBFS that the RMU is located. It must match the + strap-determined base address. + endif # SOC_INTEL_QUARK diff --git a/src/soc/intel/quark/Makefile.inc b/src/soc/intel/quark/Makefile.inc index 6327ae6548..8e24d9b44f 100644 --- a/src/soc/intel/quark/Makefile.inc +++ b/src/soc/intel/quark/Makefile.inc @@ -15,6 +15,7 @@ ifeq ($(CONFIG_SOC_INTEL_QUARK),y) +subdirs-y += romstage subdirs-y += ../../../cpu/x86/tsc romstage-y += memmap.c @@ -26,4 +27,10 @@ CPPFLAGS_common += -I$(src)/soc/intel/quark/include # Chipset microcode path CPPFLAGS_common += -I3rdparty/blobs/soc/intel/quark +# Add the chipset microcode file to the CBFS image +cbfs-files-$(CONFIG_ADD_RMU_FILE) += rmu.bin +rmu.bin-file := $(call strip_quotes,$(CONFIG_RMU_FILE)) +rmu.bin-position := $(CONFIG_RMU_LOC) +rmu.bin-type := raw + endif # CONFIG_SOC_INTEL_QUARK diff --git a/src/soc/intel/quark/include/soc/QuarkNcSocId.h b/src/soc/intel/quark/include/soc/QuarkNcSocId.h new file mode 100644 index 0000000000..1bf7e06b0b --- /dev/null +++ b/src/soc/intel/quark/include/soc/QuarkNcSocId.h @@ -0,0 +1,796 @@ +/** @file +QuarkNcSocId Register Definitions + +Copyright (c) 2013-2015 Intel Corporation. + +This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +Definitions beginning with "R_" are registers +Definitions beginning with "B_" are bits within registers +Definitions beginning with "V_" are meaningful values of bits within the registers +Definitions beginning with "S_" are register sizes +Definitions beginning with "N_" are the bit position + +**/ + +#ifndef _QUARK_NC_SOC_ID_H_ +#define _QUARK_NC_SOC_ID_H_ + +// +// Define the bits +// +#define BIT0 0x00000001 +#define BIT1 0x00000002 +#define BIT2 0x00000004 +#define BIT3 0x00000008 +#define BIT4 0x00000010 +#define BIT5 0x00000020 +#define BIT6 0x00000040 +#define BIT7 0x00000080 +#define BIT8 0x00000100 +#define BIT9 0x00000200 +#define BIT10 0x00000400 +#define BIT11 0x00000800 +#define BIT12 0x00001000 +#define BIT13 0x00002000 +#define BIT14 0x00004000 +#define BIT15 0x00008000 +#define BIT16 0x00010000 +#define BIT17 0x00020000 +#define BIT18 0x00040000 +#define BIT19 0x00080000 +#define BIT20 0x00100000 +#define BIT21 0x00200000 +#define BIT22 0x00400000 +#define BIT23 0x00800000 +#define BIT24 0x01000000 +#define BIT25 0x02000000 +#define BIT26 0x04000000 +#define BIT27 0x08000000 +#define BIT28 0x10000000 +#define BIT29 0x20000000 +#define BIT30 0x40000000 +#define BIT31 0x80000000 + +// +// QNC GMCH Equates +// + +// +// DEVICE 0 (Memroy Controller Hub) +// +#define MC_BUS PCI_BUS_NUMBER_QNC +#define MC_DEV 0x00 +#define MC_FUN 0x00 + +#define QUARK_MC_VENDOR_ID V_INTEL_VENDOR_ID +#define QUARK_MC_DEVICE_ID 0x0958 +#define QUARK2_MC_DEVICE_ID 0x12C0 +#define QNC_MC_REV_ID_A0 0x00 + + +// +// MCR - B0:D0:F0:RD0h (WO)- Message control register (Datasheet 12.5) +// [31:24] Message opcode - D0 read; E0 write; +// [23:16] Message port +// [15:8 ] Message target register address +// [ 7:4 ] Message write byte enable : F is enable +// [ 3:0 ] Reserved +// +#define QNC_ACCESS_PORT_MCR 0xD0 // Message Control Register +// Always Set to 0xF0 +#define QNC_MCR_MASK 0x000000ff +#define QNC_MCR_BYTE_ENABLES 0x000000f0 + +// +//MDR - B0:D0:F0:RD4h (RW)- Message data register +// +#define QNC_ACCESS_PORT_MDR 0xD4 // Message Data Register + +// +//MEA - B0:D0:F0:RD8h (RW)- Message extended address register +// +#define QNC_ACCESS_PORT_MEA 0xD8 // Message Extended Address Register +#define QNC_MEA_MASK 0xffffff00 + +#define QNC_MCR_OP_OFFSET 24 // Offset of the opcode field in MCR +#define QNC_MCR_PORT_OFFSET 16 // Offset of the port field in MCR +#define QNC_MCR_REG_OFFSET 8 // Offset of the register field in MCR + +// +// Misc Useful Macros +// + +#define LShift16(value) (value << 16) + +// +// QNC Message OpCodes and Attributes +// +#define QUARK_OPCODE_READ 0x10 // Quark message bus "read" opcode +#define QUARK_OPCODE_WRITE 0x11 // Quark message bus "write" opcode + +// +// Alternative opcodes for the SCSS block +// +#define QUARK_ALT_OPCODE_READ 0x06 // Quark message bus "read" opcode +#define QUARK_ALT_OPCODE_WRITE 0x07 // Quark message bus "write" opcode + +// +// QNC Message OpCodes and Attributes for IO +// +#define QUARK_OPCODE_IO_READ 0x02 // Quark message bus "IO read" opcode +#define QUARK_OPCODE_IO_WRITE 0x03 // Quark message bus "IO write" opcode + + +#define QUARK_DRAM_BASE_ADDR_READY 0x78 // Quark message bus "RMU Main binary shadow" opcode + +#define QUARK_ECC_SCRUB_RESUME 0xC2 // Quark Remote Management Unit "scrub resume" opcode +#define QUARK_ECC_SCRUB_PAUSE 0xC3 // Quark Remote Management Unit "scrub pause" opcode + +// +// QNC Message Ports and Registers +// +// Start of SB Port IDs +#define QUARK_NC_MEMORY_ARBITER_SB_PORT_ID 0x00 +#define QUARK_NC_MEMORY_CONTROLLER_SB_PORT_ID 0x01 +#define QUARK_NC_HOST_BRIDGE_SB_PORT_ID 0x03 +#define QUARK_NC_RMU_SB_PORT_ID 0x04 +#define QUARK_NC_MEMORY_MANAGER_SB_PORT_ID 0x05 +#define QUARK_SC_USB_AFE_SB_PORT_ID 0x14 +#define QUARK_SC_PCIE_AFE_SB_PORT_ID 0x16 +#define QUARK_SCSS_SOC_UNIT_SB_PORT_ID 0x31 +#define QUARK_SCSS_FUSE_SB_PORT_ID 0x33 +#define QUARK_ICLK_SB_PORT_ID 0x32 +#define QUARK_SCSS_CRU_SB_PORT_ID 0x34 + +// +// Quark Memory Arbiter Registers. +// +#define QUARK_NC_MEMORY_ARBITER_REG_ASTATUS 0x21 // Memory Arbiter PRI Status encodings register. +#define ASTATUS_PRI_CASUAL 0x0 // Serviced only if convenient +#define ASTATUS_PRI_IMPENDING 0x1 // Serviced if the DRAM is in Self-Refresh. +#define ASTATUS_PRI_NORMAL 0x2 // Normal request servicing. +#define ASTATUS_PRI_URGENT 0x3 // Urgent request servicing. +#define ASTATUS1_RASISED_BP (10) +#define ASTATUS1_RASISED_BP_MASK (0x03 << ASTATUS1_RASISED_BP) +#define ASTATUS0_RASISED_BP (8) +#define ASTATUS0_RASISED_BP_MASK (0x03 << ASTATUS1_RASISED_BP) +#define ASTATUS1_DEFAULT_BP (2) +#define ASTATUS1_DEFAULT_BP_MASK (0x03 << ASTATUS1_RASISED_BP) +#define ASTATUS0_DEFAULT_BP (0) +#define ASTATUS0_DEFAULT_BP_MASK (0x03 << ASTATUS1_RASISED_BP) + +// +// Quark Memory Controller Registers. +// +#define QUARK_NC_MEMORY_CONTROLLER_REG_DFUSESTAT 0x70 // Fuse status register. +#define B_DFUSESTAT_ECC_DIS (BIT0) // Disable ECC. + +// +// Quark Remote Management Unit Registers. +// +#define QNC_MSG_TMPM_REG_PMBA 0x70 // Power Management I/O Base Address + +#define QUARK_NC_RMU_REG_CONFIG 0x71 // Remote Management Unit configuration register. +#define TS_LOCK_AUX_TRIP_PT_REGS_ENABLE (BIT6) +#define TS_LOCK_THRM_CTRL_REGS_ENABLE (BIT5) + +#define QUARK_NC_RMU_REG_OPTIONS_1 0x72 // Remote Management Unit Options register 1. +#define OPTIONS_1_DMA_DISABLE (BIT0) + +#define QUARK_NC_RMU_REG_WDT_CONTROL 0x74 // Remote Management Unit Watchdog control register. +#define B_WDT_CONTROL_DBL_ECC_BIT_ERR_MASK (BIT19 | BIT18) +#define B_WDT_CONTROL_DBL_ECC_BIT_ERR_BP 18 +#define V_WDT_CONTROL_DBL_ECC_BIT_ERR_NONE (0x0 << B_WDT_CONTROL_DBL_ECC_BIT_ERR_BP) +#define V_WDT_CONTROL_DBL_ECC_BIT_ERR_CAT (0x1 << B_WDT_CONTROL_DBL_ECC_BIT_ERR_BP) +#define V_WDT_CONTROL_DBL_ECC_BIT_ERR_WARM (0x2 << B_WDT_CONTROL_DBL_ECC_BIT_ERR_BP) +#define V_WDT_CONTROL_DBL_ECC_BIT_ERR_SERR (0x3 << B_WDT_CONTROL_DBL_ECC_BIT_ERR_BP) + +#define QUARK_NC_RMU_REG_TS_MODE 0xB0 // Remote Management Unit Thermal sensor mode register. +#define TS_ENABLE (BIT15) +#define QUARK_NC_RMU_REG_TS_TRIP 0xB2 // Remote Management Unit Thermal sensor programmable trip point register. +#define TS_HOT_TRIP_CLEAR_THOLD_BP 24 +#define TS_HOT_TRIP_CLEAR_THOLD_MASK (0xFF << TS_HOT_TRIP_CLEAR_THOLD_BP) +#define TS_CAT_TRIP_CLEAR_THOLD_BP 16 +#define TS_CAT_TRIP_CLEAR_THOLD_MASK (0xFF << TS_CAT_TRIP_CLEAR_THOLD_BP) +#define TS_HOT_TRIP_SET_THOLD_BP 8 +#define TS_HOT_TRIP_SET_THOLD_MASK (0xFF << TS_HOT_TRIP_SET_THOLD_BP) +#define TS_CAT_TRIP_SET_THOLD_BP 0 +#define TS_CAT_TRIP_SET_THOLD_MASK (0xFF << TS_CAT_TRIP_SET_THOLD_BP) + +#define QUARK_NC_ECC_SCRUB_CONFIG_REG 0x50 +#define SCRUB_CFG_INTERVAL_SHIFT 0x00 +#define SCRUB_CFG_INTERVAL_MASK 0xFF +#define SCRUB_CFG_BLOCKSIZE_SHIFT 0x08 +#define SCRUB_CFG_BLOCKSIZE_MASK 0x1F +#define SCRUB_CFG_ACTIVE (BIT13) +#define SCRUB_CFG_INVALID 0x00000FFF + +#define QUARK_NC_ECC_SCRUB_START_MEM_REG 0x76 +#define QUARK_NC_ECC_SCRUB_END_MEM_REG 0x77 +#define QUARK_NC_ECC_SCRUB_NEXT_READ_REG 0x7C + +#define SCRUB_RESUME_MSG() ((UINT32)( \ + (QUARK_ECC_SCRUB_RESUME << QNC_MCR_OP_OFFSET) | \ + (QUARK_NC_RMU_SB_PORT_ID << QNC_MCR_PORT_OFFSET) | \ + 0xF0)) + +#define SCRUB_PAUSE_MSG() ((UINT32)( \ + (QUARK_ECC_SCRUB_PAUSE << QNC_MCR_OP_OFFSET) | \ + (QUARK_NC_RMU_SB_PORT_ID << QNC_MCR_PORT_OFFSET) | \ + 0xF0)) + +// +// Quark Memory Manager Registers +// +#define QUARK_NC_MEMORY_MANAGER_ESRAMPGCTRL_BLOCK 0x82 +#define BLOCK_ENABLE_PG (1 << 28) +#define BLOCK_DISABLE_PG (1 << 29) +#define QUARK_NC_MEMORY_MANAGER_BIMRVCTL 0x19 +#define EnableIMRInt BIT31 +#define QUARK_NC_MEMORY_MANAGER_BSMMVCTL 0x1C +#define EnableSMMInt BIT31 +#define QUARK_NC_MEMORY_MANAGER_BTHCTRL 0x20 +#define DRAM_NON_HOST_RQ_LIMIT_BP 0 +#define DRAM_NON_HOST_RQ_LIMIT_MASK (0x3f << DRAM_NON_HOST_RQ_LIMIT_BP) + +#define QUARK_NC_TOTAL_IMR_SET 0x8 +#define QUARK_NC_MEMORY_MANAGER_IMR0 0x40 +#define QUARK_NC_MEMORY_MANAGER_IMR1 0x44 +#define QUARK_NC_MEMORY_MANAGER_IMR2 0x48 +#define QUARK_NC_MEMORY_MANAGER_IMR3 0x4C +#define QUARK_NC_MEMORY_MANAGER_IMR4 0x50 +#define QUARK_NC_MEMORY_MANAGER_IMR5 0x54 +#define QUARK_NC_MEMORY_MANAGER_IMR6 0x58 +#define QUARK_NC_MEMORY_MANAGER_IMR7 0x5C + #define QUARK_NC_MEMORY_MANAGER_IMRXL 0x00 + #define IMR_LOCK BIT31 + #define IMR_EN BIT30 + #define IMRL_MASK 0x00FFFFFC + #define IMRL_RESET 0x00000000 + #define QUARK_NC_MEMORY_MANAGER_IMRXH 0x01 + #define IMRH_MASK 0x00FFFFFC + #define IMRH_RESET 0x00000000 + #define QUARK_NC_MEMORY_MANAGER_IMRXRM 0x02 + #define QUARK_NC_MEMORY_MANAGER_IMRXWM 0x03 + #define IMRX_ALL_ACCESS 0xFFFFFFFF + #define CPU_SNOOP BIT30 + #define RMU BIT29 + #define CPU0_NON_SMM BIT0 + +// +// Quark Host Bridge Registers (Datasheet 12.7.2) +// +#define QNC_MSG_FSBIC_REG_HMISC 0x03 // Host Misellaneous Controls +#define SMI_EN (BIT19) // SMI Global Enable (from Legacy Bridge) +#define QNC_MSG_FSBIC_REG_HSMMC 0x04 // Host SMM Control +#define NON_HOST_SMM_WR_OPEN (BIT18) // SMM Writes OPEN +#define NON_HOST_SMM_RD_OPEN (BIT17) // SMM Writes OPEN +#define SMM_CODE_RD_OPEN (BIT16) // SMM Code read OPEN +#define SMM_CTL_EN (BIT3) // SMM enable +#define SMM_WRITE_OPEN (BIT2) // SMM Writes OPEN +#define SMM_READ_OPEN (BIT1) // SMM Reads OPEN +#define SMM_LOCKED (BIT0) // SMM Locked +#define SMM_START_MASK 0x0000FFF0 +#define SMM_END_MASK 0xFFF00000 +#define QUARK_NC_HOST_BRIDGE_HMBOUND_REG 0x08 +#define HMBOUND_MASK 0x0FFFFF000 +#define HMBOUND_LOCK BIT0 +#define QUARK_NC_HOST_BRIDGE_HLEGACY_REG 0x0A +#define HLEGACY_SMI_PIN_VALUE BIT12 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_CAP 0x40 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_DEF_TYPE 0x41 +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX64K_00000 0x42 +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX16K_80000 0x44 +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX16K_A0000 0x46 +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_C0000 0x48 +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_C8000 0x4A +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_D0000 0x4C +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_D8000 0x4E +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_E0000 0x50 +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_E8000 0x52 +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_F0000 0x54 +#define QUARK_NC_HOST_BRIDGE_MTRR_FIX4K_F8000 0x56 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_SMRR_PHYSBASE 0x58 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_SMRR_PHYSMASK 0x59 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE0 0x5A +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSMASK0 0x5B +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE1 0x5C +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSMASK1 0x5D +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE2 0x5E +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSMASK2 0x5F +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE3 0x60 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSMASK3 0x61 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE4 0x62 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSMASK4 0x63 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE5 0x64 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSMASK5 0x65 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE6 0x66 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSMASK6 0x67 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSBASE7 0x68 +#define QUARK_NC_HOST_BRIDGE_IA32_MTRR_PHYSMASK7 0x69 + +// +// System On Chip Unit (SOCUnit) Registers. +// +#define QUARK_SCSS_SOC_UNIT_STPDDRCFG 0x00 +#define B_STPDDRCFG_FORCE_RECOVERY BIT0 +#define QUARK_SCSS_SOC_UNIT_SPI_ROM_FUSE 0x25 +#define B_ROM_FUSE_IN_SECURE_SKU BIT6 + +#define QUARK_SCSS_SOC_UNIT_TSCGF1_CONFIG 0x31 +#define B_TSCGF1_CONFIG_ISNSCURRENTSEL_MASK (BIT5 | BIT4 | BIT3) +#define B_TSCGF1_CONFIG_ISNSCURRENTSEL_BP 3 +#define B_TSCGF1_CONFIG_ISNSCHOPSEL_MASK (BIT12 | BIT11 | BIT10 | BIT9 | BIT8) +#define B_TSCGF1_CONFIG_ISNSCHOPSEL_BP 8 +#define B_TSCGF1_CONFIG_IBGEN BIT17 +#define B_TSCGF1_CONFIG_IBGEN_BP 17 +#define B_TSCGF1_CONFIG_IBGCHOPEN BIT18 +#define B_TSCGF1_CONFIG_IBGCHOPEN_BP 18 +#define B_TSCGF1_CONFIG_ISNSINTERNALVREFEN BIT14 +#define B_TSCGF1_CONFIG_ISNSINTERNALVREFEN_BP 14 + +#define QUARK_SCSS_SOC_UNIT_TSCGF2_CONFIG 0x32 +#define B_TSCGF2_CONFIG_IDSCONTROL_MASK 0x0000FFFF +#define B_TSCGF2_CONFIG_IDSCONTROL_BP 0 +#define B_TSCGF2_CONFIG_IDSTIMING_MASK 0xFFFF0000 +#define B_TSCGF2_CONFIG_IDSTIMING_BP 16 + +#define QUARK_SCSS_SOC_UNIT_TSCGF2_CONFIG2 0x33 +#define B_TSCGF2_CONFIG2_ISPARECTRL_MASK 0xFF000000 +#define B_TSCGF2_CONFIG2_ISPARECTRL_BP 24 +#define B_TSCGF2_CONFIG2_ICALCONFIGSEL_MASK (BIT9 | BIT8) +#define B_TSCGF2_CONFIG2_ICALCONFIGSEL_BP 8 +#define B_TSCGF2_CONFIG2_ICALCOARSETUNE_MASK 0x000000FF +#define B_TSCGF2_CONFIG2_ICALCOARSETUNE_BP 0 + +#define QUARK_SCSS_SOC_UNIT_TSCGF3_CONFIG 0x34 +#define B_TSCGF3_CONFIG_ITSRST BIT0 +#define B_TSCGF3_CONFIG_ITSGAMMACOEFF_BP 11 +#define B_TSCGF3_CONFIG_ITSGAMMACOEFF_MASK (0xFFF << B_TSCGF3_CONFIG_ITSGAMMACOEFF_BP) + +#define QUARK_SCSS_SOC_UNIT_SOCCLKEN_CONFIG 0x36 +#define SOCCLKEN_CONFIG_PHY_I_SIDE_RST_L BIT20 +#define SOCCLKEN_CONFIG_PHY_I_CMNRESET_L BIT19 +#define SOCCLKEN_CONFIG_SBI_BB_RST_B BIT18 +#define SOCCLKEN_CONFIG_SBI_RST_100_CORE_B BIT17 +#define SOCCLKEN_CONFIG_BB_RST_B BIT16 + +#define QUARK_SCSS_SOC_UNIT_SOCCLKEN_CONFIG 0x36 + +#define QUARK_SCSS_SOC_UNIT_CFG_STICKY_RW 0x51 +#define B_CFG_STICKY_RW_SMM_VIOLATION BIT0 +#define B_CFG_STICKY_RW_HMB_VIOLATION BIT1 +#define B_CFG_STICKY_RW_IMR_VIOLATION BIT2 +#define B_CFG_STICKY_RW_DECC_VIOLATION BIT3 +#define B_CFG_STICKY_RW_WARM_RST BIT4 +#define B_CFG_STICKY_RW_FORCE_RECOVERY BIT9 +#define B_CFG_STICKY_RW_VIOLATION (B_CFG_STICKY_RW_SMM_VIOLATION | B_CFG_STICKY_RW_HMB_VIOLATION | B_CFG_STICKY_RW_IMR_VIOLATION | B_CFG_STICKY_RW_DECC_VIOLATION) +#define B_CFG_STICKY_RW_ALL (B_CFG_STICKY_RW_VIOLATION | B_CFG_STICKY_RW_WARM_RST) + +// +// iCLK Registers. +// +#define QUARK_ICLK_MUXTOP 0x0140 +#define B_MUXTOP_FLEX2_MASK (BIT25 | BIT24 | BIT23) +#define B_MUXTOP_FLEX2_BP 23 +#define B_MUXTOP_FLEX1_MASK (BIT22 | BIT21 | BIT20) +#define B_MUXTOP_FLEX1_BP 20 + +#define QUARK_ICLK_SSC1 0x0314 +#define QUARK_ICLK_SSC2 0x0414 +#define QUARK_ICLK_SSC3 0x0514 +#define QUARK_ICLK_REF2_DBUFF0 0x2000 + +// +// PCIe AFE Unit Registers (QUARK_SC_PCIE_AFE_SB_PORT_ID). +// +#define QUARK_PCIE_AFE_PCIE_RXPICTRL0_L0 0x2080 +#define QUARK_PCIE_AFE_PCIE_RXPICTRL0_L1 0x2180 +#define OCFGPIMIXLOAD_1_0 BIT6 +#define OCFGPIMIXLOAD_1_0_MASK 0xFFFFFF3F + +// +// QNC ICH Equates +// +#define V_INTEL_VENDOR_ID 0x8086 + +#define PCI_BUS_NUMBER_QNC 0x00 + +// +// PCI to LPC Bridge Registers (D31:F0) +// +#define PCI_DEVICE_NUMBER_QNC_LPC 31 +#define PCI_FUNCTION_NUMBER_QNC_LPC 0 + +#define R_QNC_LPC_VENDOR_ID 0x00 +#define V_LPC_VENDOR_ID V_INTEL_VENDOR_ID +#define R_QNC_LPC_DEVICE_ID 0x02 +#define QUARK_V_LPC_DEVICE_ID_0 0x095E +#define R_QNC_LPC_REV_ID 0x08 + +#define R_QNC_LPC_SMBUS_BASE 0x40 //~0x43 +#define B_QNC_LPC_SMBUS_BASE_EN (BIT31) +#define B_QNC_LPC_SMBUS_BASE_MASK 0x0000FFC0 //[15:6] +// +// SMBus register offsets from SMBA - "SMBA" (D31:F0:R40h) +// Suggested Value for SMBA = 0x1040 +// +#define R_QNC_SMBUS_HCTL 0x00 // Host Control Register R/W +#define B_QNC_SMBUS_START (BIT4) // Start/Stop +#define V_QNC_SMBUS_HCTL_CMD_QUICK 0 +#define V_QNC_SMBUS_HCTL_CMD_BYTE 1 +#define V_QNC_SMBUS_HCTL_CMD_BYTE_DATA 2 +#define V_QNC_SMBUS_HCTL_CMD_WORD_DATA 3 +#define V_QNC_SMBUS_HCTL_CMD_PROCESS_CALL 4 +#define V_QNC_SMBUS_HCTL_CMD_BLOCK 5 + +#define R_QNC_SMBUS_HSTS 0x01 // Host Status Register R/W +#define B_QNC_SMBUS_BERR (BIT2) // BUS Error +#define B_QNC_SMBUS_DERR (BIT1) // Device Error +#define B_QNC_SMBUS_BYTE_DONE_STS (BIT0) // Completion Status +#define B_QNC_SMBUS_HSTS_ALL 0x07 + +#define R_QNC_SMBUS_HCLK 0x02 // Host Clock Divider Register R/W +#define V_QNC_SMBUS_HCLK_100KHZ 0x0054 + +#define R_QNC_SMBUS_TSA 0x04 // Transmit Slave Address Register R/W +#define V_QNC_SMBUS_RW_SEL_READ 1 +#define V_QNC_SMBUS_RW_SEL_WRITE 0 + +#define R_QNC_SMBUS_HCMD 0x05 // Host Command Register R/W +#define R_QNC_SMBUS_HD0 0x06 // Data 0 Register R/W +#define R_QNC_SMBUS_HD1 0x07 // Data 1 Register R/W +#define R_QNC_SMBUS_HBD 0x20 // Host Block Data Register R/W [255:0] ~ 3Fh + +#define R_QNC_LPC_GBA_BASE 0x44 +#define B_QNC_LPC_GPA_BASE_MASK 0x0000FFC0 +// +// GPIO register offsets from GBA - "GPIO" (D31:F0:R44h) +// Suggested Value for GBA = 0x1080 +// +#define R_QNC_GPIO_CGEN_CORE_WELL 0x00 +#define R_QNC_GPIO_CGIO_CORE_WELL 0x04 +#define R_QNC_GPIO_CGLVL_CORE_WELL 0x08 +#define R_QNC_GPIO_CGTPE_CORE_WELL 0x0C // Core well GPIO Trigger Positive Edge Enable +#define R_QNC_GPIO_CGTNE_CORE_WELL 0x10 // Core well GPIO Trigger Negative Edge Enable +#define R_QNC_GPIO_CGGPE_CORE_WELL 0x14 // Core well GPIO GPE Enable +#define R_QNC_GPIO_CGSMI_CORE_WELL 0x18 // Core well GPIO SMI Enable +#define R_QNC_GPIO_CGTS_CORE_WELL 0x1C // Core well GPIO Trigger Status +#define R_QNC_GPIO_RGEN_RESUME_WELL 0x20 +#define R_QNC_GPIO_RGIO_RESUME_WELL 0x24 +#define R_QNC_GPIO_RGLVL_RESUME_WELL 0x28 +#define R_QNC_GPIO_RGTPE_RESUME_WELL 0x2C // Resume well GPIO Trigger Positive Edge Enable +#define R_QNC_GPIO_RGTNE_RESUME_WELL 0x30 // Resume well GPIO Trigger Negative Edge Enable +#define R_QNC_GPIO_RGGPE_RESUME_WELL 0x34 // Resume well GPIO GPE Enable +#define R_QNC_GPIO_RGSMI_RESUME_WELL 0x38 // Resume well GPIO SMI Enable +#define R_QNC_GPIO_RGTS_RESUME_WELL 0x3C // Resume well GPIO Trigger Status +#define R_QNC_GPIO_CNMIEN_CORE_WELL 0x40 // Core well GPIO NMI Enable +#define R_QNC_GPIO_RNMIEN_RESUME_WELL 0x44 // Resume well GPIO NMI Enable + +#define R_QNC_LPC_PM1BLK 0x48 +#define B_QNC_LPC_PM1BLK_MASK 0x0000FFF0 +// +// ACPI register offsets from PM1BLK - "ACPI PM1 Block" (D31:F0:R48h) +// Suggested Value for PM1BLK = 0x1000 +// +#define R_QNC_PM1BLK_PM1S 0x00 +#define S_QNC_PM1BLK_PM1S 2 +#define B_QNC_PM1BLK_PM1S_ALL (BIT15+BIT14+BIT10+BIT5+BIT0) +#define B_QNC_PM1BLK_PM1S_WAKE (BIT15) +#define B_QNC_PM1BLK_PM1S_PCIEWSTS (BIT14) +#define B_QNC_PM1BLK_PM1S_RTC (BIT10) +#define B_QNC_PM1BLK_PM1S_GLOB (BIT5) +#define B_QNC_PM1BLK_PM1S_TO (BIT0) +#define N_QNC_PM1BLK_PM1S_RTC 10 + + +#define R_QNC_PM1BLK_PM1E 0x02 +#define S_QNC_PM1BLK_PM1E 2 +#define B_QNC_PM1BLK_PM1E_PWAKED (BIT14) +#define B_QNC_PM1BLK_PM1E_RTC (BIT10) +#define B_QNC_PM1BLK_PM1E_GLOB (BIT5) +#define N_QNC_PM1BLK_PM1E_RTC 10 + +#define R_QNC_PM1BLK_PM1C 0x04 +#define B_QNC_PM1BLK_PM1C_SLPEN (BIT13) +#define B_QNC_PM1BLK_PM1C_SLPTP (BIT12+BIT11+BIT10) +#define V_S0 0x00000000 +#define V_S3 0x00001400 +#define V_S4 0x00001800 +#define V_S5 0x00001C00 +#define B_QNC_PM1BLK_PM1C_SCIEN (BIT0) + +#define R_QNC_PM1BLK_PM1T 0x08 + +#define R_QNC_LPC_GPE0BLK 0x4C +#define B_QNC_LPC_GPE0BLK_MASK 0x0000FFC0 +// Suggested Value for GPE0BLK = 0x10C0 +// +#define R_QNC_GPE0BLK_GPE0S 0x00 // General Purpose Event 0 Status +#define S_QNC_GPE0BLK_GPE0S 4 +#define B_QNC_GPE0BLK_GPE0S_ALL 0x00003F800 // used to clear the status reg +#define B_QNC_GPE0BLK_GPE0S_PCIE (BIT17) // PCIE +#define B_QNC_GPE0BLK_GPE0S_GPIO (BIT14) // GPIO +#define B_QNC_GPE0BLK_GPE0S_EGPE (BIT13) // External GPE +#define N_QNC_GPE0BLK_GPE0S_THRM 12 + +#define R_QNC_GPE0BLK_GPE0E 0x04 // General Purpose Event 0 Enable +#define S_QNC_GPE0BLK_GPE0E 4 +#define B_QNC_GPE0BLK_GPE0E_PCIE (BIT17) // PCIE +#define B_QNC_GPE0BLK_GPE0E_GPIO (BIT14) // GPIO +#define B_QNC_GPE0BLK_GPE0E_EGPE (BIT13) // External GPE +#define N_QNC_GPE0BLK_GPE0E_THRM 12 + +#define R_QNC_GPE0BLK_SMIE 0x10 // SMI_B Enable +#define S_QNC_GPE0BLK_SMIE 4 +#define B_QNC_GPE0BLK_SMIE_ALL 0x0003871F +#define B_QNC_GPE0BLK_SMIE_APM (BIT4) // APM +#define B_QNC_GPE0BLK_SMIE_SLP (BIT2) // Sleep +#define B_QNC_GPE0BLK_SMIE_SWT (BIT1) // Software Timer +#define N_QNC_GPE0BLK_SMIE_GPIO 9 +#define N_QNC_GPE0BLK_SMIE_ESMI 8 +#define N_QNC_GPE0BLK_SMIE_APM 4 +#define N_QNC_GPE0BLK_SMIE_SPI 3 +#define N_QNC_GPE0BLK_SMIE_SLP 2 +#define N_QNC_GPE0BLK_SMIE_SWT 1 + +#define R_QNC_GPE0BLK_SMIS 0x14 // SMI Status Register. +#define S_QNC_GPE0BLK_SMIS 4 +#define B_QNC_GPE0BLK_SMIS_ALL 0x0003871F +#define B_QNC_GPE0BLK_SMIS_EOS (BIT31) // End of SMI +#define B_QNC_GPE0BLK_SMIS_APM (BIT4) // APM +#define B_QNC_GPE0BLK_SMIS_SPI (BIT3) // SPI +#define B_QNC_GPE0BLK_SMIS_SLP (BIT2) // Sleep +#define B_QNC_GPE0BLK_SMIS_SWT (BIT1) // Software Timer +#define B_QNC_GPE0BLK_SMIS_BIOS (BIT0) // BIOS +#define N_QNC_GPE0BLK_SMIS_GPIO 9 +#define N_QNC_GPE0BLK_SMIS_APM 4 +#define N_QNC_GPE0BLK_SMIS_SPI 3 +#define N_QNC_GPE0BLK_SMIS_SLP 2 +#define N_QNC_GPE0BLK_SMIS_SWT 1 + +#define R_QNC_GPE0BLK_PMCW 0x28 // Power Management Configuration Core Well +#define B_QNC_GPE0BLK_PMCW_PSE (BIT31) // Periodic SMI Enable + +#define R_QNC_GPE0BLK_PMSW 0x2C // Power Management Configuration Suspend/Resume Well +#define B_QNC_GPE0BLK_PMSW_DRAM_INIT (BIT0) // Dram Initialization Sctrachpad + +#define R_QNC_LPC_ACTL 0x58 +#define V_QNC_LPC_ACTL_SCIS_IRQ9 0x00 + +// +// Number of PIRQs supported. PIRQA~PIRQH +// +#define QNC_NUMBER_PIRQS 8 +#define R_QNC_LPC_PIRQA_ROUT 0x60 +#define R_QNC_LPC_PIRQB_ROUT 0x61 +#define R_QNC_LPC_PIRQC_ROUT 0x62 +#define R_QNC_LPC_PIRQD_ROUT 0x63 +#define R_QNC_LPC_PIRQE_ROUT 0x64 +#define R_QNC_LPC_PIRQF_ROUT 0x65 +#define R_QNC_LPC_PIRQG_ROUT 0x66 +#define R_QNC_LPC_PIRQH_ROUT 0x67 + +// +// Bit values are the same for R_TNC_LPC_PIRQA_ROUT to +// R_TNC_LPC_PIRQH_ROUT +#define B_QNC_LPC_PIRQX_ROUT (BIT3+BIT2+BIT1+BIT0) + +#define R_QNC_LPC_WDTBA 0x84 +// Watchdog Timer register offsets from WDTBASE (in R_QNC_LPC_WDTBA)------------BEGIN +#define R_QNC_LPC_WDT_WDTCR 0x10 +#define R_QNC_LPC_WDT_WDTLR 0x18 +// Watchdog Timer register offsets from WDTBASE (in R_QNC_LPC_WDTBA)--------------END + +#define R_QNC_LPC_FWH_BIOS_DEC 0xD4 +#define B_QNC_LPC_FWH_BIOS_DEC_F8 (BIT31) +#define B_QNC_LPC_FWH_BIOS_DEC_F0 (BIT30) +#define B_QNC_LPC_FWH_BIOS_DEC_E8 (BIT29) +#define B_QNC_LPC_FWH_BIOS_DEC_E0 (BIT28) +#define B_QNC_LPC_FWH_BIOS_DEC_D8 (BIT27) +#define B_QNC_LPC_FWH_BIOS_DEC_D0 (BIT26) +#define B_QNC_LPC_FWH_BIOS_DEC_C8 (BIT25) +#define B_QNC_LPC_FWH_BIOS_DEC_C0 (BIT24) + +#define R_QNC_LPC_BIOS_CNTL 0xD8 +#define S_QNC_LPC_BIOS_CNTL 4 +#define B_QNC_LPC_BIOS_CNTL_PFE (BIT8) +#define B_QNC_LPC_BIOS_CNTL_SMM_BWP (BIT5) +#define B_QNC_LPC_BIOS_CNTL_BCD (BIT2) +#define B_QNC_LPC_BIOS_CNTL_BLE (BIT1) +#define B_QNC_LPC_BIOS_CNTL_BIOSWE (BIT0) +#define N_QNC_LPC_BIOS_CNTL_BLE 1 +#define N_QNC_LPC_BIOS_CNTL_BIOSWE 0 + +#define R_QNC_LPC_RCBA 0xF0 +#define B_QNC_LPC_RCBA_MASK 0xFFFFC000 +#define B_QNC_LPC_RCBA_EN (BIT0) + +//--------------------------------------------------------------------------- +// Fixed IO Decode on QuarkNcSocId +// +// 20h(2B) 24h(2B) 28h(2B) 2Ch(2B) 30h(2B) 34h(2B) 38h(2B) 3Ch(2B) : R/W 8259 master +// 40h(3B): R/W 8254 +// 43h(1B): W 8254 +// 50h(3B): R/W 8254 +// 53h(1B): W 8254 +// 61h(1B): R/W NMI Controller +// 63h(1B): R/W NMI Controller - can be disabled +// 65h(1B): R/W NMI Controller - can be disabled +// 67h(1B): R/W NMI Controller - can be disabled +// 70h(1B): W NMI & RTC +// 71h(1B): R/W RTC +// 72h(1B): R RTC; W NMI&RTC +// 73h(1B): R/W RTC +// 74h(1B): R RTC; W NMI&RTC +// 75h(1B): R/W RTC +// 76h(1B): R RTC; W NMI&RTC +// 77h(1B): R/W RTC +// 84h(3B): R/W Internal/LPC +// 88h(1B): R/W Internal/LPC +// 8Ch(3B): R/W Internal/LPC +// A0h(2B) A4h(2B) A8h(2B) ACh(2B) B0h(2B) B4h(2B) B8h(2B) BCh(2B): R/W 8259 slave +// B2h(1B) B3h(1B): R/W Power management +// 3B0h-3BBh: R/W VGA +// 3C0h-3DFh: R/W VGA +// CF8h(4B): R/W Internal +// CF9h(1B): R/W LPC +// CFCh(4B): R/W Internal +//--------------------------------------------------------------------------- + +#define R_APM_CNT 0xB2 + +// +// Reset Generator I/O Port +// +#define RST_CNT 0xCF9 +#define B_RST_CNT_COLD_RST (BIT3) // Cold reset +#define B_RST_CNT_WARM_RST (BIT1) // Warm reset + +// +// Processor interface registers (NMI) +// + +#define PCI_DEVICE_NUMBER_QNC_IOSF2AHB_0 20 +#define PCI_DEVICE_NUMBER_QNC_IOSF2AHB_1 21 +#define PCI_FUNCTION_NUMBER_QNC_IOSF2AHB 0 + +// +// Pci Express Root Ports (D23:F0/F1) +// +#define PCI_DEVICE_NUMBER_PCIE_ROOTPORT 23 +#define PCI_FUNCTION_NUMBER_PCIE_ROOTPORT_0 0 +#define PCI_FUNCTION_NUMBER_PCIE_ROOTPORT_1 1 + +#define MAX_PCI_EXPRESS_ROOT_PORTS 2 + +#define R_QNC_PCIE_BNUM 0x18 +#define R_QNC_PCIE_CAP_PTR 0x34 + +#define PCIE_CAPID 0x10 //PCIE Capability ID +#define PCIE_CAP_EXT_HEARDER_OFFSET 0x100 //PCIE Capability ID +#define PCIE_DEV_CAP_OFFSET 0x04 //PCIE Device Capability reg offset +#define PCIE_LINK_CAP_OFFSET 0x0C //PCIE Link Capability reg offset +#define PCIE_LINK_CNT_OFFSET 0x10 //PCIE Link control reg offset +#define PCIE_LINK_STS_OFFSET 0x12 //PCIE Link status reg offset +#define PCIE_SLOT_CAP_OFFSET 0x14 //PCIE Link Capability reg offset + +#define R_QNC_PCIE_XCAP 0x42 //~ 43h +#define B_QNC_PCIE_XCAP_SI (BIT8) //slot implemented +#define R_QNC_PCIE_DCAP 0x44 //~ 47h +#define B_QNC_PCIE_DCAP_E1AL (BIT11 | BIT10 | BIT9) // L1 Acceptable exit latency +#define B_QNC_PCIE_DCAP_E0AL (BIT8 | BIT7 | BIT6) // L0 Acceptable exit latency +#define R_QNC_PCIE_DCTL 0x48 //~ 49h +#define B_QNC_PCIE_DCTL_URE (BIT3) //Unsupported Request Reporting Enable +#define B_QNC_PCIE_DCTL_FEE (BIT2) //Fatal error Reporting Enable +#define B_QNC_PCIE_DCTL_NFE (BIT1) //Non Fatal error Reporting Enable +#define B_QNC_PCIE_DCTL_CEE (BIT0) //Correctable error Reporting Enable +#define R_QNC_PCIE_LCAP 0x4C //~ 4Fh +#define B_QNC_PCIE_LCAP_CPM (BIT18) //clock power management supported +#define B_QNC_PCIE_LCAP_EL1_MASK (BIT17 | BIT16 | BIT15) //L1 Exit latency mask +#define B_QNC_PCIE_LCAP_EL0_MASK (BIT14 | BIT13 | BIT12) //L0 Exit latency mask +#define B_QNC_PCIE_LCAP_APMS_MASK (BIT11 | BIT10) //Active state link PM support mask +#define V_QNC_PCIE_LCAP_APMS_OFFSET 10 //Active state link PM support mask +#define R_QNC_PCIE_LCTL 0x50 //~ 51h +#define B_QNC_PCIE_LCTL_CCC (BIT6) // Clock clock configuration +#define B_QNC_PCIE_LCTL_RL (BIT5) // Retrain link +#define R_QNC_PCIE_LSTS 0x52 //~ 53h +#define B_QNC_PCIE_LSTS_SCC (BIT12) //Slot clock configuration +#define B_QNC_PCIE_LSTS_LT (BIT11) //Link training +#define R_QNC_PCIE_SLCAP 0x54 //~ 57h +#define B_QNC_PCIE_SLCAP_MASK_RSV_VALUE 0x0006007F +#define V_QNC_PCIE_SLCAP_SLV 0x0A //Slot power limit value [14:7] +#define V_QNC_PCIE_SLCAP_SLV_OFFSET 7 //Slot power limit value offset is 7 [14:7] +#define V_QNC_PCIE_SLCAP_PSN_OFFSET 19 //Slot number offset is 19 [31:19] +#define R_QNC_PCIE_SLCTL 0x58 //~ 59h +#define B_QNC_PCIE_SLCTL_HPE (BIT5) // Hot plug interrupt enable +#define B_QNC_PCIE_SLCTL_PDE (BIT3) // Presense detect change enable +#define B_QNC_PCIE_SLCTL_ABE (BIT0) // Attention Button Pressed Enable +#define R_QNC_PCIE_SLSTS 0x5A //~ 5Bh +#define B_QNC_PCIE_SLSTS_PDS (BIT6) // Present Detect State = 1b : has device connected +#define B_QNC_PCIE_SLSTS_PDC (BIT3) // Present Detect changed = 1b : PDS state has changed +#define B_QNC_PCIE_SLSTS_ABP (BIT0) // Attention Button Pressed +#define R_QNC_PCIE_RCTL 0x5C //~ 5Dh +#define B_QNC_PCIE_RCTL_PIE (BIT3) //Root PCI-E PME Interrupt Enable +#define B_QNC_PCIE_RCTL_SFE (BIT2) //Root PCI-E System Error on Fatal Error Enable +#define B_QNC_PCIE_RCTL_SNE (BIT1) //Root PCI-E System Error on Non-Fatal Error Enable +#define B_QNC_PCIE_RCTL_SCE (BIT0) //Root PCI-E System Error on Correctable Error Enable +#define R_QNC_PCIE_SVID 0x94 //~ 97h +#define R_QNC_PCIE_CCFG 0xD0 //~ D3h +#define B_QNC_PCIE_CCFG_UPSD (BIT24) // Upstream Posted Split Disable +#define B_QNC_PCIE_CCFG_UNRS (BIT15) // Upstream Non-Posted Request Size +#define B_QNC_PCIE_CCFG_UPRS (BIT14) // Upstream Posted Request Size +#define R_QNC_PCIE_MPC2 0xD4 //~ D7h +#define B_QNC_PCIE_MPC2_IPF (BIT11) // ISOF Packet Fast Transmit Mode +#define R_QNC_PCIE_MPC 0xD8 //~ DBh +#define B_QNC_PCIE_MPC_PMCE (BIT31) // PM SCI Enable +#define B_QNC_PCIE_MPC_HPCE (BIT30) // Hot plug SCI enable + +#define B_QNC_PCIE_MPC_HPME (BIT1) // Hot plug SMI enable +#define B_QNC_PCIE_MPC_PMME (BIT0) // PM SMI Enable +#define R_QNC_PCIE_IOSFSBCTL 0xF6 +#define B_QNC_PCIE_IOSFSBCTL_SBIC_MASK (BIT1 | BIT0) // IOSF Sideband ISM Idle Counter. +#define B_QNC_PCIE_IOSFSBCTL_SBIC_IDLE_NEVER (BIT1 | BIT0) // Never transition to IDLE. + +#define V_PCIE_MAX_TRY_TIMES 200 + +// +// Misc PCI register offsets and sizes +// +#define R_EFI_PCI_SVID 0x2C + +// +// IO_APIC +// +#define IOAPIC_BASE 0xFEC00000 +#define IOAPIC_SIZE 0x1000 + +// +// Chipset configuration registers RCBA - "Root Complex Base Address" (D31:F0:RF0h) +// Suggested Value for RCBA = 0xFED1C000 +// + +#define R_QNC_RCRB_SPIBASE 0x3020 // SPI (Serial Peripheral Interface) in RCRB +#define R_QNC_RCRB_SPIS (R_QNC_RCRB_SPIBASE + 0x00) // SPI Status +#define B_QNC_RCRB_SPIS_SCL (BIT15) // SPI Configuration Lockdown +#define B_QNC_RCRB_SPIS_BAS (BIT3) // Blocked Access Status +#define B_QNC_RCRB_SPIS_CDS (BIT2) // Cycle Done Status +#define B_QNC_RCRB_SPIS_SCIP (BIT0) // SPI Cycle in Progress + +#define R_QNC_RCRB_SPIC (R_QNC_RCRB_SPIBASE + 0x02) // SPI Control +#define B_QNC_RCRB_SPIC_DC (BIT14) // SPI Data Cycle Enable +#define B_QNC_RCRB_SPIC_DBC 0x3F00 // SPI Data Byte Count (1..8,16,24,32,40,48,56,64) +#define B_QNC_RCRB_SPIC_COP (BIT6+BIT5+BIT4) // SPI Cycle Opcode Pointer +#define B_QNC_RCRB_SPIC_SPOP (BIT3) // Sequence Prefix Opcode Pointer +#define B_QNC_RCRB_SPIC_ACS (BIT2) // SPI Atomic Cycle Sequence +#define B_QNC_RCRB_SPIC_SCGO (BIT1) // SPI Cycle Go + +#define R_QNC_RCRB_SPIA (R_QNC_RCRB_SPIBASE + 0x04) // SPI Address +#define B_QNC_RCRB_SPIA_MASK 0x00FFFFFF // SPI Address mask +#define R_QNC_RCRB_SPID0 (R_QNC_RCRB_SPIBASE + 0x08) // SPI Data 0 +#define R_QNC_RCRB_SPIPREOP (R_QNC_RCRB_SPIBASE + 0x54) // Prefix Opcode Configuration +#define R_QNC_RCRB_SPIOPTYPE (R_QNC_RCRB_SPIBASE + 0x56) // Opcode Type Configuration +#define B_QNC_RCRB_SPIOPTYPE_NOADD_READ 0 +#define B_QNC_RCRB_SPIOPTYPE_NOADD_WRITE (BIT0) +#define B_QNC_RCRB_SPIOPTYPE_ADD_READ (BIT1) +#define B_QNC_RCRB_SPIOPTYPE_ADD_WRITE (BIT0 + BIT1) +#define R_QNC_RCRB_SPIOPMENU (R_QNC_RCRB_SPIBASE + 0x58) // Opcode Menu Configuration //R_OPMENU + +#define R_QNC_RCRB_SPIPBR0 (R_QNC_RCRB_SPIBASE + 0x60) // Protected BIOS Range 0. +#define R_QNC_RCRB_SPIPBR1 (R_QNC_RCRB_SPIBASE + 0x64) // Protected BIOS Range 1. +#define R_QNC_RCRB_SPIPBR2 (R_QNC_RCRB_SPIBASE + 0x68) // Protected BIOS Range 2. +#define B_QNC_RCRB_SPIPBRn_WPE (BIT31) // Write Protection Enable for above 3 registers. + +#define R_QNC_RCRB_AGENT0IR 0x3140 // AGENT0 interrupt route +#define R_QNC_RCRB_AGENT1IR 0x3142 // AGENT1 interrupt route +#define R_QNC_RCRB_AGENT2IR 0x3144 // AGENT2 interrupt route +#define R_QNC_RCRB_AGENT3IR 0x3146 // AGENT3 interrupt route + +#endif diff --git a/src/soc/intel/quark/memmap.c b/src/soc/intel/quark/memmap.c index 2edfdc40e8..71e478433e 100644 --- a/src/soc/intel/quark/memmap.c +++ b/src/soc/intel/quark/memmap.c @@ -14,6 +14,13 @@ */ #include <cbmem.h> +#include <fsp/memmap.h> + +size_t mmap_region_granularity(void) +{ + /* Align to 8 MiB by default */ + return 8 << 20; +} void *cbmem_top(void) { diff --git a/src/soc/intel/quark/romstage/Makefile.inc b/src/soc/intel/quark/romstage/Makefile.inc new file mode 100644 index 0000000000..a0be5d5d11 --- /dev/null +++ b/src/soc/intel/quark/romstage/Makefile.inc @@ -0,0 +1,16 @@ +# +# This file is part of the coreboot project. +# +# Copyright (C) 2015-2016 Intel Corporation +# +# 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. +# + +cpu_incs-y += $(src)/soc/intel/quark/romstage/esram_init.inc diff --git a/src/soc/intel/quark/romstage/esram_init.inc b/src/soc/intel/quark/romstage/esram_init.inc new file mode 100644 index 0000000000..1b83c13633 --- /dev/null +++ b/src/soc/intel/quark/romstage/esram_init.inc @@ -0,0 +1,498 @@ +/** @file + * + * Copyright (C) 2015-2016, Intel Corporation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * * Neither the name of Intel Corporation nor the names of its contributors may + * be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + * +**/ + +#include <cpu/x86/cr.h> +#include <soc/QuarkNcSocId.h> + +.macro RET32 + jmp *%esp +.endm + +/* ROM/SPI/MEMORY Definitions */ +.equ QUARK_DDR3_MEM_BASE_ADDRESS, (0x000000000) /* Memory Base Address = 0 */ +.equ QUARK_MAX_DDR3_MEM_SIZE_BYTES, (0x80000000) /* DDR3 Memory Size = 2GB */ +.equ QUARK_ESRAM_MEM_BASE_ADDRESS, (QUARK_DDR3_MEM_BASE_ADDRESS \ + + QUARK_MAX_DDR3_MEM_SIZE_BYTES) /* eSRAM Memory above DDR3 */ +.equ QUARK_ESRAM_MEM_SIZE_BYTES, (0x00080000) /* eSRAM Memory Size = 512K */ +.equ QUARK_STACK_SIZE_BYTES, (0x008000) /* Quark stack size = 32K */ +.equ QUARK_STACK_BASE_ADDRESS, (QUARK_ESRAM_MEM_BASE_ADDRESS \ + + QUARK_ESRAM_MEM_SIZE_BYTES \ + - QUARK_STACK_SIZE_BYTES) /* Top of eSRAM - stack size */ +.equ QUARK_CMH_SIZE_BYTES, (0x0400) /* Quark Module Header size */ +.equ QUARK_ESRAM_STAGE1_BASE_ADDRESS, (QUARK_ESRAM_MEM_BASE_ADDRESS \ + + QUARK_CMH_SIZE_BYTES) /* Start of Stage1 code in eSRAM */ + +/* RTC/CMOS definitions */ +.equ RTC_INDEX, (0x70) +.equ NMI_DISABLE, (0x80) /* Bit7=1 disables NMI */ +.equ RTC_DATA, (0x71) + +/* PCI Configuration definitions (Datasheet 5.5.1) */ +.equ PCI_CFG, (0x80000000) /* PCI configuration access mechanism */ +.equ PCI_ADDRESS_PORT, (0xCF8) +.equ PCI_DATA_PORT, (0xCFC) + +/* Quark PCI devices */ +.equ HOST_BRIDGE_PFA, (0 << 11) /* B0:D0:F0 (Host Bridge) */ +.equ ILB_PFA, (0x1F << 11) /* B0:D31:F0 (Legacy Block) */ + +/* ILB PCI Config Registers */ +.equ BDE, (0x0D4) /* BIOS Decode Enable register */ +.equ DECODE_ALL_REGIONS_ENABLE, (0xFF000000) /* Decode all BIOS ranges */ + +/* iLB Reset Register */ +.equ ILB_RESET_REG, (0x0CF9) +.equ CF9_WARM_RESET, (0x02) +.equ CF9_COLD_RESET, (0x08) + +/* Memory Arbiter Config Registers */ +.equ AEC_CTRL_OFFSET, (0x00) + +/* Host Bridge Config Registers */ +.equ HMBOUND_OFFSET, (0x08) +.equ HMBOUND_ADDRESS, (QUARK_DDR3_MEM_BASE_ADDRESS \ + + QUARK_MAX_DDR3_MEM_SIZE_BYTES + QUARK_ESRAM_MEM_SIZE_BYTES) +.equ HECREG_OFFSET, (0x09) +.equ EC_BASE, (0xE0000000) +.equ EC_ENABLE, (0x01) + +/* Memory Manager Config Registers */ +.equ ESRAM_ADDRESS_2G, (0x10000080) +.equ BIMRVCTL_OFFSET, (0x19) +.equ ENABLE_IMR_INTERRUPT, (0x80000000) + +/* SOC UNIT Debug Registers */ +.equ CFGSTICKY_W1_OFFSET, (0x50) +.equ FORCE_COLD_RESET, (0x00000001) +.equ CFGSTICKY_RW_OFFSET, (0x51) +.equ RESET_FOR_ESRAM_LOCK, (0x00000020) +.equ RESET_FOR_HMBOUND_LOCK, (0x00000040) +.equ CFGNONSTICKY_W1_OFFSET, (0x52) +.equ FORCE_WARM_RESET, (0x00000001) + +verify_bist: + cmp $0, %eax + je setup_esram + mov $POST_DEAD_CODE, %eax +#if IS_ENABLED(CONFIG_POST_IO) + outb %al, $CONFIG_POST_IO_PORT +#else + post_code(POST_DEAD_CODE) +#endif + jmp . + +setup_esram: + /* Ensure cache is disabled. */ + movl %cr0, %eax + orl $(CR0_CD | CR0_NW), %eax + invd + movl %eax, %cr0 + + /* + * Disable NMI operation + * Good convention suggests you should read back RTC data port after + * accessing the RTC index port. + */ + movb $(NMI_DISABLE), %al + movw $(RTC_INDEX), %dx + outb %al, %dx + movw $(RTC_DATA), %dx + inb %dx, %al + + /* Disable SMI (Disables SMI wire, not SMI messages) */ + movl $((QUARK_OPCODE_READ << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_HOST_BRIDGE_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (QNC_MSG_FSBIC_REG_HMISC << QNC_MCR_REG_OFFSET)), %ecx + leal L1, %esp + jmp stackless_SideBand_Read +L1: + andl $(~SMI_EN), %eax + movl $((QUARK_OPCODE_WRITE << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_HOST_BRIDGE_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (QNC_MSG_FSBIC_REG_HMISC << QNC_MCR_REG_OFFSET)), %ecx + leal L2, %esp + jmp stackless_SideBand_Write +L2: + + /* + * Before we get going, check SOC Unit Registers to see if we are + * required to issue a warm/cold reset + */ + movl $((QUARK_ALT_OPCODE_READ << QNC_MCR_OP_OFFSET) \ + | (QUARK_SCSS_SOC_UNIT_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (CFGNONSTICKY_W1_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L3, %esp + jmp stackless_SideBand_Read +L3: + andl $(FORCE_WARM_RESET), %eax + jz TestForceColdReset /* No warm reset - branch */ + jmp IssueWarmReset + +TestForceColdReset: + movl $((QUARK_ALT_OPCODE_READ << QNC_MCR_OP_OFFSET) \ + | (QUARK_SCSS_SOC_UNIT_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (CFGNONSTICKY_W1_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L4, %esp + jmp stackless_SideBand_Read +L4: + andl $(FORCE_COLD_RESET), %eax + jz TestHmboundLock /* No cold reset - branch */ + jmp IssueColdReset + + /* Before setting HMBOUND, check it's not locked */ +TestHmboundLock: + movl $((QUARK_OPCODE_READ << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_HOST_BRIDGE_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (HMBOUND_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L5, %esp + jmp stackless_SideBand_Read +L5: + andl $(HMBOUND_LOCK), %eax + jz ConfigHmbound /* Good configuration - branch */ + + /* Failed to config - store sticky bit debug */ + movl $((QUARK_ALT_OPCODE_READ << QNC_MCR_OP_OFFSET) \ + | (QUARK_SCSS_SOC_UNIT_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (CFGSTICKY_RW_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L6, %esp + jmp stackless_SideBand_Read +L6: + orl $(RESET_FOR_HMBOUND_LOCK), %eax + movl $((QUARK_ALT_OPCODE_WRITE << QNC_MCR_OP_OFFSET) \ + | (QUARK_SCSS_SOC_UNIT_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (CFGSTICKY_RW_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L7, %esp + jmp stackless_SideBand_Write +L7: + jmp IssueWarmReset + + /* Set up the HMBOUND register */ +ConfigHmbound: + movl $(HMBOUND_ADDRESS), %eax /* Data (Set HMBOUND location) */ + movl $((QUARK_OPCODE_WRITE << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_HOST_BRIDGE_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (HMBOUND_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L8, %esp + jmp stackless_SideBand_Write +L8: + + /* + * Enable interrupts to Remote Management Unit when a IMR/SMM/HMBOUND + * violation occurs. + */ + movl $(ENABLE_IMR_INTERRUPT), %eax /* Set interrupt enable mask */ + movl $((QUARK_OPCODE_WRITE << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_MEMORY_MANAGER_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (BIMRVCTL_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L9, %esp + jmp stackless_SideBand_Write +L9: + + /* Move eSRAM memory to 2GB */ + movl $(ESRAM_ADDRESS_2G), %eax /* Data (Set eSRAM location) */ + movl $((QUARK_OPCODE_WRITE << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_MEMORY_MANAGER_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (QUARK_NC_MEMORY_MANAGER_ESRAMPGCTRL_BLOCK \ + << QNC_MCR_REG_OFFSET)), %ecx + leal L10, %esp + jmp stackless_SideBand_Write +L10: + + /* Check that we're not blocked from setting the config that we want. */ + movl $((QUARK_OPCODE_READ << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_MEMORY_MANAGER_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (QUARK_NC_MEMORY_MANAGER_ESRAMPGCTRL_BLOCK \ + << QNC_MCR_REG_OFFSET)), %ecx + leal L11, %esp + jmp stackless_SideBand_Read +L11: + andl $(BLOCK_ENABLE_PG), %eax + jnz ConfigPci /* Good configuration - branch */ + + /* Failed to config - store sticky bit debug */ + movl $((QUARK_ALT_OPCODE_READ << QNC_MCR_OP_OFFSET) \ + | (QUARK_SCSS_SOC_UNIT_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (CFGSTICKY_RW_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L12, %esp + jmp stackless_SideBand_Read +L12: + orl $(RESET_FOR_ESRAM_LOCK), %eax + movl $((QUARK_ALT_OPCODE_WRITE << QNC_MCR_OP_OFFSET) \ + | (QUARK_SCSS_SOC_UNIT_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (CFGSTICKY_RW_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L13, %esp + jmp stackless_SideBand_Write +L13: + jmp IssueWarmReset + + /* Enable PCIEXBAR */ +ConfigPci: + movl $(EC_BASE + EC_ENABLE), %eax /* Data */ + movl $((QUARK_OPCODE_WRITE << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_MEMORY_ARBITER_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (AEC_CTRL_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L14, %esp + jmp stackless_SideBand_Write +L14: + + movl $(EC_BASE + EC_ENABLE), %eax /* Data */ + movl $((QUARK_OPCODE_WRITE << QNC_MCR_OP_OFFSET) \ + | (QUARK_NC_HOST_BRIDGE_SB_PORT_ID << QNC_MCR_PORT_OFFSET) \ + | (HECREG_OFFSET << QNC_MCR_REG_OFFSET)), %ecx + leal L15, %esp + jmp stackless_SideBand_Write +L15: + + /* Open up full 8MB SPI decode */ + movl $(PCI_CFG | ILB_PFA | BDE), %ebx /* PCI config address */ + movl $(DECODE_ALL_REGIONS_ENABLE), %eax + leal L16, %esp + jmp stackless_PCIConfig_Write +L16: + + jmp esram_init_done + +IssueWarmReset: + /* Issue Warm Reset request to Remote Management Unit via iLB */ + movw $(CF9_WARM_RESET), %ax + movw $(ILB_RESET_REG), %dx + outw %ax, %dx + jmp . /* Stay here until we are reset. */ + +IssueColdReset: + /* Issue Cold Reset request to Remote Management Unit via iLB */ + movw $(CF9_COLD_RESET), %ax + movw $(ILB_RESET_REG), %dx + outw %ax, %dx + jmp . /* Stay here until we are reset. */ + +/* + *---------------------------------------------------------------------------- + * + * Procedure: stackless_SideBand_Read + * + * Input: esp - return address + * ecx[15:8] - Register offset + * ecx[23:16] - Port ID + * ecx[31:24] - Opcode + * + * Output: eax - Data read + * + * Destroys: eax + * ebx + * cl + * esi + * + * Description: + * Perform requested sideband read + *---------------------------------------------------------------------------- + */ + +stackless_SideBand_Read: + + movl %esp, %esi /* Save the return address */ + + /* Load the SideBand Packet Register to generate the transaction */ + movl $(PCI_CFG | HOST_BRIDGE_PFA | QNC_ACCESS_PORT_MCR), %ebx + movb $QNC_MCR_BYTE_ENABLES, %cl /* Set all Byte Enable bits */ + xchgl %ecx, %eax + leal L17, %esp + jmp stackless_PCIConfig_Write +L17: + xchgl %ecx, %eax + + /* Read the SideBand Data Register */ + movl $(PCI_CFG | HOST_BRIDGE_PFA | (QNC_ACCESS_PORT_MDR)), %ebx + leal L18, %esp + jmp stackless_PCIConfig_Read +L18: + + movl %esi, %esp /* Restore the return address */ + RET32 + +/* + *---------------------------------------------------------------------------- + * + * Procedure: stackless_SideBand_Write + * + * Input: esp - return address + * eax - Data + * ecx[15:8] - Register offset + * ecx[23:16] - Port ID + * ecx[31:24] - Opcode + * + * Output: None + * + * Destroys: ebx + * cl + * esi + * + * Description: + * Perform requested sideband write + * + *---------------------------------------------------------------------------- + */ + +stackless_SideBand_Write: + + movl %esp, %esi /* Save the return address */ + + /* Load the SideBand Data Register with the data */ + movl $(PCI_CFG | HOST_BRIDGE_PFA | QNC_ACCESS_PORT_MDR), %ebx + leal L19, %esp + jmp stackless_PCIConfig_Write +L19: + + /* Load the SideBand Packet Register to generate the transaction */ + movl $(PCI_CFG | HOST_BRIDGE_PFA | QNC_ACCESS_PORT_MCR), %ebx + movb $QNC_MCR_BYTE_ENABLES, %cl /* Set all Byte Enable bits */ + xchgl %ecx, %eax + leal L20, %esp + jmp stackless_PCIConfig_Write +L20: + xchgl %ecx, %eax + + movl %esi, %esp /* Restore the return address */ + RET32 + +/* + *---------------------------------------------------------------------------- + * + * Procedure: stackless_PCIConfig_Write + * + * Input: esp - return address + * eax - Data to write + * ebx - PCI Config Address + * + * Output: None + * + * Destroys: dx + * + * Description: + * Perform a DWORD PCI Configuration write + * + *---------------------------------------------------------------------------- + */ + +stackless_PCIConfig_Write: + + /* Write the PCI Config Address to the address port */ + xchgl %ebx, %eax + movw $(PCI_ADDRESS_PORT), %dx + outl %eax, %dx + xchgl %ebx, %eax + + /* Write the PCI DWORD Data to the data port */ + movw $(PCI_DATA_PORT), %dx + outl %eax, %dx + + RET32 + +/* + *---------------------------------------------------------------------------- + * + * Procedure: stackless_PCIConfig_Read + * + * Input: esp - return address + * ebx - PCI Config Address + * + * Output: eax - Data read + * + * Destroys: eax + * dx + * + * Description: + * Perform a DWORD PCI Configuration read + * + *---------------------------------------------------------------------------- + */ + +stackless_PCIConfig_Read: + + /* Write the PCI Config Address to the address port */ + xchgl %ebx, %eax + movw $(PCI_ADDRESS_PORT), %dx + outl %eax, %dx + xchgl %ebx, %eax + + /* Read the PCI DWORD Data from the data port */ + movw $(PCI_DATA_PORT), %dx + inl %dx, %eax + + RET32 + +/*----------------------------------------------------------------------------*/ + +esram_init_done: + +.equ SD_PFA, (0x14 << 11) /* B0:D20:F0 - SDIO controller */ +.equ SD_CFG_BASE, (PCI_CFG | SD_PFA) /* SD cntrl base in PCI config space */ +.equ SD_CFG_CMD, (SD_CFG_BASE+0x04) /* Command reg in PCI config space */ +.equ SD_CFG_ADDR, (SD_CFG_BASE+0x10) /* Base address in PCI config space */ +.equ SD_BASE_ADDR, (0xA0018000) /* SD controller's base address */ +.equ SD_HOST_CTRL, (SD_BASE_ADDR+0x28) /* HOST_CTRL register */ + + /* Set the SDIO controller's base address */ + movl $(SD_BASE_ADDR), %eax + movl $(SD_CFG_ADDR), %ebx + leal L40, %esp + jmp stackless_PCIConfig_Write + +L40: + movl $(SD_CFG_ADDR), %ebx + leal L41, %esp + jmp stackless_PCIConfig_Read + +L41: + /* Enable the SDIO controller */ + movl $(SD_CFG_CMD), %ebx + leal L42, %esp + jmp stackless_PCIConfig_Read + +L42: + orl $2, %eax + movl $(SD_CFG_CMD), %ebx + leal L43, %esp + jmp stackless_PCIConfig_Write + +L43: + movl $(SD_CFG_CMD), %ebx + leal L44, %esp + jmp stackless_PCIConfig_Read + +L44: + /* Turn on SD LED to indicate ESRAM successfully initialized */ + movl $SD_HOST_CTRL, %ebx + movb 0(%ebx), %al + orb $1, %al + movb %al, 0(%ebx) + + /* Loop forever */ + jmp . |