/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2008 coresystems GmbH
+ * Copyright (C) 2008-2009 coresystems GmbH
*
* 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.
+ * 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
#ifndef SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H
#define SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H
+/*
+ * It does not matter where we put the SMBus I/O base, as long as we
+ * keep it consistent and don't interfere with other devices. Stage2
+ * will relocate this anyways.
+ * Our solution is to have SMB initialization move the I/O to SMBUS_IO_BASE
+ * again. But handling static BARs is a generic problem that should be
+ * solved in the device allocator.
+ */
+#define SMBUS_IO_BASE 0x0400
+/* TODO Make sure these don't get changed by stage2 */
+#define DEFAULT_GPIOBASE 0x0480
+#define DEFAULT_PMBASE 0x0500
+
+#define HPET_ADDR 0xfed00000
+#define DEFAULT_RCBA 0xfed1c000
+#ifndef __ACPI__
+#define DEBUG_PERIODIC_SMIS 0
+
+#if !defined(__ASSEMBLER__) && !defined(__ROMCC__)
+#if !defined(__PRE_RAM__)
#include "chip.h"
extern void i82801gx_enable(device_t dev);
+#else
+void enable_smbus(void);
+int smbus_read_byte(unsigned device, unsigned address);
+#endif
+void i82801gx_enable_usbdebug(unsigned int port);
+#endif
+
+#define MAINBOARD_POWER_OFF 0
+#define MAINBOARD_POWER_ON 1
+#define MAINBOARD_POWER_KEEP 2
+
+#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL
+#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
+#endif
+
+/* PCI Configuration Space (D30:F0): PCI2PCI */
+#define PSTS 0x06
+#define SMLT 0x1b
+#define SECSTS 0x1e
+#define INTR 0x3c
+#define BCTRL 0x3e
+#define SBR (1 << 6)
+#define SEE (1 << 1)
+#define PERE (1 << 0)
+
+/* PCI Configuration Space (D31:F0): LPC */
-#define PCI_DMA_CFG 0x90
#define SERIRQ_CNTL 0x64
-#define GEN_CNTL 0xd0
-#define GEN_STS 0xd4
-#define RTC_CONF 0xd8
+
#define GEN_PMCON_1 0xa0
#define GEN_PMCON_2 0xa2
#define GEN_PMCON_3 0xa4
+/* GEN_PMCON_3 bits */
+#define RTC_BATTERY_DEAD (1 << 2)
+#define RTC_POWER_FAILED (1 << 1)
+#define SLEEP_AFTER_POWER_FAIL (1 << 0)
+
#define PMBASE 0x40
#define ACPI_CNTL 0x44
-#define BIOS_CNTL 0x4E
+#define BIOS_CNTL 0xDC
#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
#define PIRQG_ROUT 0x6A
#define PIRQH_ROUT 0x6B
-#define FUNC_DIS 0xF2
-
#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
#define LPC_EN 0x82 /* LPC IF Enables Register */
-#define SBUS_NUM 0x19
-#define SUB_BUS_NUM 0x1A
-#define SMLT 0x1B
-#define IOBASE 0x1C
-#define IOLIM 0x1D
-#define MEMBASE 0x20
-#define MEMLIM 0x22
-#define CNF 0x50
-#define MTT 0x70
-#define PCI_MAST_STS 0x82
-
-/* GEN_PMCON_3 bits */
-#define RTC_BATTERY_DEAD (1 << 2)
-#define RTC_POWER_FAILED (1 << 1)
-#define SLEEP_AFTER_POWER_FAIL (1 << 0)
-
-/* PCI Configuration Space (D31:F1) */
+/* PCI Configuration Space (D31:F1): IDE */
#define INTR_LN 0x3c
#define IDE_TIM_PRI 0x40 /* IDE timings, primary */
#define IDE_DECODE_ENABLE (1 << 15)
#define IDE_SITRE (1 << 14)
+#define IDE_ISP_5_CLOCKS (0 << 12)
+#define IDE_ISP_4_CLOCKS (1 << 12)
+#define IDE_ISP_3_CLOCKS (2 << 12)
+#define IDE_RCT_4_CLOCKS (0 << 8)
+#define IDE_RCT_3_CLOCKS (1 << 8)
+#define IDE_RCT_2_CLOCKS (2 << 8)
+#define IDE_RCT_1_CLOCKS (3 << 8)
+#define IDE_DTE1 (1 << 7)
+#define IDE_PPE1 (1 << 6)
+#define IDE_IE1 (1 << 5)
+#define IDE_TIME1 (1 << 4)
+#define IDE_DTE0 (1 << 3)
+#define IDE_PPE0 (1 << 2)
+#define IDE_IE0 (1 << 1)
+#define IDE_TIME0 (1 << 0)
#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
+
+#define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */
+#define IDE_SSDE1 (1 << 3)
+#define IDE_SSDE0 (1 << 2)
+#define IDE_PSDE1 (1 << 1)
+#define IDE_PSDE0 (1 << 0)
+
+#define IDE_SDMA_TIM 0x4a
+
#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
-#define SIG_MODE_NORMAL (0 << 16)
-#define SIG_MODE_TRISTATE (1 << 16)
-#define SIG_MODE_DRIVELOW (2 << 16)
+#define SIG_MODE_SEC_NORMAL (0 << 18)
+#define SIG_MODE_SEC_TRISTATE (1 << 18)
+#define SIG_MODE_SEC_DRIVELOW (2 << 18)
+#define SIG_MODE_PRI_NORMAL (0 << 16)
+#define SIG_MODE_PRI_TRISTATE (1 << 16)
+#define SIG_MODE_PRI_DRIVELOW (2 << 16)
+#define FAST_SCB1 (1 << 15)
+#define FAST_SCB0 (1 << 14)
#define FAST_PCB1 (1 << 13)
#define FAST_PCB0 (1 << 12)
+#define SCB1 (1 << 3)
+#define SCB0 (1 << 2)
#define PCB1 (1 << 1)
#define PCB0 (1 << 0)
-/* PCI Configuration Space (D31:F3) */
+/* PCI Configuration Space (D31:F3): SMBus */
#define SMB_BASE 0x20
#define HOSTC 0x40
#define SMB_SMI_EN (1 << 1)
#define HST_EN (1 << 0)
-/* SMBus I/O bits.
- * TODO: It does not matter where we put the SMBus IO base, as long as we keep
- * consistent and don't interfere with other devices. Stage2 will relocate
- * this anyways. But it's a general problem we have not solved in the brightest
- * possible way.
- */
-/* #define SMBUS_IO_BASE 0x1000 */
-#define SMBUS_IO_BASE 0x0400
-
+/* SMBus I/O bits. */
#define SMBHSTSTAT 0x0
#define SMBHSTCTL 0x2
#define SMBHSTCMD 0x3
#define SMBUS_TIMEOUT (10 * 1000 * 100)
-/* HPET, if present */
-#define HPET_ADDR 0xfed0000
+/* Southbridge IO BARs */
+
+#define GPIOBASE 0x48
+
+#define PMBASE 0x40
+
+/* Root Complex Register Block */
+#define RCBA 0xf0
+
+#define RCBA8(x) *((volatile u8 *)(DEFAULT_RCBA + x))
+#define RCBA16(x) *((volatile u16 *)(DEFAULT_RCBA + x))
+#define RCBA32(x) *((volatile u32 *)(DEFAULT_RCBA + x))
+
+#define VCH 0x0000 /* 32bit */
+#define VCAP1 0x0004 /* 32bit */
+#define VCAP2 0x0008 /* 32bit */
+#define PVC 0x000c /* 16bit */
+#define PVS 0x000e /* 16bit */
+
+#define V0CAP 0x0010 /* 32bit */
+#define V0CTL 0x0014 /* 32bit */
+#define V0STS 0x001a /* 16bit */
+
+#define V1CAP 0x001c /* 32bit */
+#define V1CTL 0x0020 /* 32bit */
+#define V1STS 0x0026 /* 16bit */
+
+#define RCTCL 0x0100 /* 32bit */
+#define ESD 0x0104 /* 32bit */
+#define ULD 0x0110 /* 32bit */
+#define ULBA 0x0118 /* 64bit */
+
+#define RP1D 0x0120 /* 32bit */
+#define RP1BA 0x0128 /* 64bit */
+#define RP2D 0x0130 /* 32bit */
+#define RP2BA 0x0138 /* 64bit */
+#define RP3D 0x0140 /* 32bit */
+#define RP3BA 0x0148 /* 64bit */
+#define RP4D 0x0150 /* 32bit */
+#define RP4BA 0x0158 /* 64bit */
+#define HDD 0x0160 /* 32bit */
+#define HDBA 0x0168 /* 64bit */
+#define RP5D 0x0170 /* 32bit */
+#define RP5BA 0x0178 /* 64bit */
+#define RP6D 0x0180 /* 32bit */
+#define RP6BA 0x0188 /* 64bit */
+
+#define ILCL 0x01a0 /* 32bit */
+#define LCAP 0x01a4 /* 32bit */
+#define LCTL 0x01a8 /* 16bit */
+#define LSTS 0x01aa /* 16bit */
+
+#define RPC 0x0224 /* 32bit */
+#define RPFN 0x0238 /* 32bit */
+
+#define TRSR 0x1e00 /* 8bit */
+#define TRCR 0x1e10 /* 64bit */
+#define TWDR 0x1e18 /* 64bit */
+
+#define IOTR0 0x1e80 /* 64bit */
+#define IOTR1 0x1e88 /* 64bit */
+#define IOTR2 0x1e90 /* 64bit */
+#define IOTR3 0x1e98 /* 64bit */
+
+#define TCTL 0x3000 /* 8bit */
+
+#define D31IP 0x3100 /* 32bit */
+#define D30IP 0x3104 /* 32bit */
+#define D29IP 0x3108 /* 32bit */
+#define D28IP 0x310c /* 32bit */
+#define D27IP 0x3110 /* 32bit */
+#define D31IR 0x3140 /* 16bit */
+#define D30IR 0x3142 /* 16bit */
+#define D29IR 0x3144 /* 16bit */
+#define D28IR 0x3146 /* 16bit */
+#define D27IR 0x3148 /* 16bit */
+#define OIC 0x31ff /* 8bit */
+
+#define RC 0x3400 /* 32bit */
+#define HPTC 0x3404 /* 32bit */
+#define GCS 0x3410 /* 32bit */
+#define BUC 0x3414 /* 32bit */
+#define FD 0x3418 /* 32bit */
+#define CG 0x341c /* 32bit */
+
+/* Function Disable (FD) register values.
+ * Setting a bit disables the corresponding
+ * feature.
+ * Not all features might be disabled on
+ * all chipsets. Esp. ICH-7U is picky.
+ */
+#define FD_PCIE6 (1 << 21)
+#define FD_PCIE5 (1 << 20)
+#define FD_PCIE4 (1 << 19)
+#define FD_PCIE3 (1 << 18)
+#define FD_PCIE2 (1 << 17)
+#define FD_PCIE1 (1 << 16)
+#define FD_EHCI (1 << 15)
+#define FD_LPCB (1 << 14)
+
+/* UHCI must be disabled from 4 downwards.
+ * If UHCI controllers get disabled, EHCI
+ * must know about it, too! */
+#define FD_UHCI4 (1 << 11)
+#define FD_UHCI34 (1 << 10) | FD_UHCI4
+#define FD_UHCI234 (1 << 9) | FD_UHCI3
+#define FD_UHCI1234 (1 << 8) | FD_UHCI2
+
+#define FD_INTLAN (1 << 7)
+#define FD_ACMOD (1 << 6)
+#define FD_ACAUD (1 << 5)
+#define FD_HDAUD (1 << 4)
+#define FD_SMBUS (1 << 3)
+#define FD_SATA (1 << 2)
+#define FD_PATA (1 << 1)
+
+/* ICH7 GPIOBASE */
+#define GPIO_USE_SEL 0x00
+#define GP_IO_SEL 0x04
+#define GP_LVL 0x0c
+#define GPO_BLINK 0x18
+#define GPI_INV 0x2c
+#define GPIO_USE_SEL2 0x30
+#define GP_IO_SEL2 0x34
+#define GP_LVL2 0x38
+
+/* ICH7 PMBASE */
+#define PM1_STS 0x00
+#define WAK_STS (1 << 15)
+#define PCIEXPWAK_STS (1 << 14)
+#define PRBTNOR_STS (1 << 11)
+#define RTC_STS (1 << 10)
+#define PWRBTN_STS (1 << 8)
+#define GBL_STS (1 << 5)
+#define BM_STS (1 << 4)
+#define TMROF_STS (1 << 0)
+#define PM1_EN 0x02
+#define PCIEXPWAK_DIS (1 << 14)
+#define RTC_EN (1 << 10)
+#define PWRBTN_EN (1 << 8)
+#define GBL_EN (1 << 5)
+#define TMROF_EN (1 << 0)
+#define PM1_CNT 0x04
+#define SLP_EN (1 << 13)
+#define SLP_TYP (7 << 10)
+#define GBL_RLS (1 << 2)
+#define BM_RLD (1 << 1)
+#define SCI_EN (1 << 0)
+#define PM1_TMR 0x08
+#define PROC_CNT 0x10
+#define LV2 0x14
+#define LV3 0x15
+#define LV4 0x16
+#define PM2_CNT 0x20 // mobile only
+#define GPE0_STS 0x28
+#define USB4_STS (1 << 14)
+#define PME_B0_STS (1 << 13)
+#define USB3_STS (1 << 12)
+#define PME_STS (1 << 11)
+#define BATLOW_STS (1 << 10)
+#define PCI_EXP_STS (1 << 9)
+#define RI_STS (1 << 8)
+#define SMB_WAK_STS (1 << 7)
+#define TCOSCI_STS (1 << 6)
+#define AC97_STS (1 << 5)
+#define USB2_STS (1 << 4)
+#define USB1_STS (1 << 3)
+#define SWGPE_STS (1 << 2)
+#define HOT_PLUG_STS (1 << 1)
+#define THRM_STS (1 << 0)
+#define GPE0_EN 0x2c
+#define PME_B0_EN (1 << 13)
+#define PME_EN (1 << 11)
+#define SMI_EN 0x30
+#define EL_SMI_EN (1 << 25) // Intel Quick Resume Technology
+#define INTEL_USB2_EN (1 << 18) // Intel-Specific USB2 SMI logic
+#define LEGACY_USB2_EN (1 << 17) // Legacy USB2 SMI logic
+#define PERIODIC_EN (1 << 14) // SMI on PERIODIC_STS in SMI_STS
+#define TCO_EN (1 << 13) // Enable TCO Logic (BIOSWE et al)
+#define MCSMI_EN (1 << 11) // Trap microcontroller range access
+#define BIOS_RLS (1 << 7) // asserts SCI on bit set
+#define SWSMI_TMR_EN (1 << 6) // start software smi timer on bit set
+#define APMC_EN (1 << 5) // Writes to APM_CNT cause SMI#
+#define SLP_SMI_EN (1 << 4) // Write to SLP_EN in PM1_CNT asserts SMI#
+#define LEGACY_USB_EN (1 << 3) // Legacy USB circuit SMI logic
+#define BIOS_EN (1 << 2) // Assert SMI# on setting GBL_RLS bit
+#define EOS (1 << 1) // End of SMI (deassert SMI#)
+#define GBL_SMI_EN (1 << 0) // SMI# generation at all?
+#define SMI_STS 0x34
+#define ALT_GP_SMI_EN 0x38
+#define ALT_GP_SMI_STS 0x3a
+#define GPE_CNTL 0x42
+#define DEVACT_STS 0x44
+#define SS_CNT 0x50
+#define C3_RES 0x54
+
+#endif /* __ACPI__ */
#endif /* SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H */
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