3 files changed, 489 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h
new file mode 100644
index 000000000000..021f77ca59ec
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h
@@ -0,0 +1,305 @@
+/*
+ * The header file of cs5536 sourth bridge.
+ *
+ * Copyright (C) 2007 Lemote, Inc.
+ * Author : jlliu <liujl@lemote.com>
+ */
+
+#ifndef _CS5536_H
+#define _CS5536_H
+
+#include <linux/types.h>
+
+extern void _rdmsr(u32 msr, u32 *hi, u32 *lo);
+extern void _wrmsr(u32 msr, u32 hi, u32 lo);
+
+/*
+ * MSR module base
+ */
+#define CS5536_SB_MSR_BASE      (0x00000000)
+#define CS5536_GLIU_MSR_BASE    (0x10000000)
+#define CS5536_ILLEGAL_MSR_BASE (0x20000000)
+#define CS5536_USB_MSR_BASE     (0x40000000)
+#define CS5536_IDE_MSR_BASE     (0x60000000)
+#define CS5536_DIVIL_MSR_BASE   (0x80000000)
+#define CS5536_ACC_MSR_BASE     (0xa0000000)
+#define CS5536_UNUSED_MSR_BASE  (0xc0000000)
+#define CS5536_GLCP_MSR_BASE    (0xe0000000)
+
+#define SB_MSR_REG(offset)      (CS5536_SB_MSR_BASE     | (offset))
+#define GLIU_MSR_REG(offset)    (CS5536_GLIU_MSR_BASE   | (offset))
+#define ILLEGAL_MSR_REG(offset) (CS5536_ILLEGAL_MSR_BASE | (offset))
+#define USB_MSR_REG(offset)     (CS5536_USB_MSR_BASE    | (offset))
+#define IDE_MSR_REG(offset)     (CS5536_IDE_MSR_BASE    | (offset))
+#define DIVIL_MSR_REG(offset)   (CS5536_DIVIL_MSR_BASE  | (offset))
+#define ACC_MSR_REG(offset)     (CS5536_ACC_MSR_BASE    | (offset))
+#define UNUSED_MSR_REG(offset)  (CS5536_UNUSED_MSR_BASE | (offset))
+#define GLCP_MSR_REG(offset)    (CS5536_GLCP_MSR_BASE   | (offset))
+
+/*
+ * BAR SPACE OF VIRTUAL PCI :
+ * range for pci probe use, length is the actual size.
+ */
+/* IO space for all DIVIL modules */
+#define CS5536_IRQ_RANGE        0xffffffe0 /* USERD FOR PCI PROBE */
+#define CS5536_IRQ_LENGTH       0x20    /* THE REGS ACTUAL LENGTH */
+#define CS5536_SMB_RANGE        0xfffffff8
+#define CS5536_SMB_LENGTH       0x08
+#define CS5536_GPIO_RANGE       0xffffff00
+#define CS5536_GPIO_LENGTH      0x100
+#define CS5536_MFGPT_RANGE      0xffffffc0
+#define CS5536_MFGPT_LENGTH     0x40
+#define CS5536_ACPI_RANGE       0xffffffe0
+#define CS5536_ACPI_LENGTH      0x20
+#define CS5536_PMS_RANGE        0xffffff80
+#define CS5536_PMS_LENGTH       0x80
+/* IO space for IDE */
+#define CS5536_IDE_RANGE        0xfffffff0
+#define CS5536_IDE_LENGTH       0x10
+/* IO space for ACC */
+#define CS5536_ACC_RANGE        0xffffff80
+#define CS5536_ACC_LENGTH       0x80
+/* MEM space for ALL USB modules */
+#define CS5536_OHCI_RANGE       0xfffff000
+#define CS5536_OHCI_LENGTH      0x1000
+#define CS5536_EHCI_RANGE       0xfffff000
+#define CS5536_EHCI_LENGTH      0x1000
+
+/*
+ * PCI MSR ACCESS
+ */
+#define PCI_MSR_CTRL            0xF0
+#define PCI_MSR_ADDR            0xF4
+#define PCI_MSR_DATA_LO         0xF8
+#define PCI_MSR_DATA_HI         0xFC
+
+/**************** MSR *****************************/
+
+/*
+ * GLIU STANDARD MSR
+ */
+#define GLIU_CAP                0x00
+#define GLIU_CONFIG             0x01
+#define GLIU_SMI                0x02
+#define GLIU_ERROR              0x03
+#define GLIU_PM                 0x04
+#define GLIU_DIAG               0x05
+
+/*
+ * GLIU SPEC. MSR
+ */
+#define GLIU_P2D_BM0            0x20
+#define GLIU_P2D_BM1            0x21
+#define GLIU_P2D_BM2            0x22
+#define GLIU_P2D_BMK0           0x23
+#define GLIU_P2D_BMK1           0x24
+#define GLIU_P2D_BM3            0x25
+#define GLIU_P2D_BM4            0x26
+#define GLIU_COH                0x80
+#define GLIU_PAE                0x81
+#define GLIU_ARB                0x82
+#define GLIU_ASMI               0x83
+#define GLIU_AERR               0x84
+#define GLIU_DEBUG              0x85
+#define GLIU_PHY_CAP            0x86
+#define GLIU_NOUT_RESP          0x87
+#define GLIU_NOUT_WDATA         0x88
+#define GLIU_WHOAMI             0x8B
+#define GLIU_SLV_DIS            0x8C
+#define GLIU_IOD_BM0            0xE0
+#define GLIU_IOD_BM1            0xE1
+#define GLIU_IOD_BM2            0xE2
+#define GLIU_IOD_BM3            0xE3
+#define GLIU_IOD_BM4            0xE4
+#define GLIU_IOD_BM5            0xE5
+#define GLIU_IOD_BM6            0xE6
+#define GLIU_IOD_BM7            0xE7
+#define GLIU_IOD_BM8            0xE8
+#define GLIU_IOD_BM9            0xE9
+#define GLIU_IOD_SC0            0xEA
+#define GLIU_IOD_SC1            0xEB
+#define GLIU_IOD_SC2            0xEC
+#define GLIU_IOD_SC3            0xED
+#define GLIU_IOD_SC4            0xEE
+#define GLIU_IOD_SC5            0xEF
+#define GLIU_IOD_SC6            0xF0
+#define GLIU_IOD_SC7            0xF1
+
+/*
+ * SB STANDARD
+ */
+#define SB_CAP          0x00
+#define SB_CONFIG       0x01
+#define SB_SMI          0x02
+#define SB_ERROR        0x03
+#define SB_MAR_ERR_EN           0x00000001
+#define SB_TAR_ERR_EN           0x00000002
+#define SB_RSVD_BIT1            0x00000004
+#define SB_EXCEP_ERR_EN         0x00000008
+#define SB_SYSE_ERR_EN          0x00000010
+#define SB_PARE_ERR_EN          0x00000020
+#define SB_TAS_ERR_EN           0x00000040
+#define SB_MAR_ERR_FLAG         0x00010000
+#define SB_TAR_ERR_FLAG         0x00020000
+#define SB_RSVD_BIT2            0x00040000
+#define SB_EXCEP_ERR_FLAG       0x00080000
+#define SB_SYSE_ERR_FLAG        0x00100000
+#define SB_PARE_ERR_FLAG        0x00200000
+#define SB_TAS_ERR_FLAG         0x00400000
+#define SB_PM           0x04
+#define SB_DIAG         0x05
+
+/*
+ * SB SPEC.
+ */
+#define SB_CTRL         0x10
+#define SB_R0           0x20
+#define SB_R1           0x21
+#define SB_R2           0x22
+#define SB_R3           0x23
+#define SB_R4           0x24
+#define SB_R5           0x25
+#define SB_R6           0x26
+#define SB_R7           0x27
+#define SB_R8           0x28
+#define SB_R9           0x29
+#define SB_R10          0x2A
+#define SB_R11          0x2B
+#define SB_R12          0x2C
+#define SB_R13          0x2D
+#define SB_R14          0x2E
+#define SB_R15          0x2F
+
+/*
+ * GLCP STANDARD
+ */
+#define GLCP_CAP                0x00
+#define GLCP_CONFIG             0x01
+#define GLCP_SMI                0x02
+#define GLCP_ERROR              0x03
+#define GLCP_PM                 0x04
+#define GLCP_DIAG               0x05
+
+/*
+ * GLCP SPEC.
+ */
+#define GLCP_CLK_DIS_DELAY      0x08
+#define GLCP_PM_CLK_DISABLE     0x09
+#define GLCP_GLB_PM             0x0B
+#define GLCP_DBG_OUT            0x0C
+#define GLCP_RSVD1              0x0D
+#define GLCP_SOFT_COM           0x0E
+#define SOFT_BAR_SMB_FLAG       0x00000001
+#define SOFT_BAR_GPIO_FLAG      0x00000002
+#define SOFT_BAR_MFGPT_FLAG     0x00000004
+#define SOFT_BAR_IRQ_FLAG       0x00000008
+#define SOFT_BAR_PMS_FLAG       0x00000010
+#define SOFT_BAR_ACPI_FLAG      0x00000020
+#define SOFT_BAR_IDE_FLAG       0x00000400
+#define SOFT_BAR_ACC_FLAG       0x00000800
+#define SOFT_BAR_OHCI_FLAG      0x00001000
+#define SOFT_BAR_EHCI_FLAG      0x00002000
+#define GLCP_RSVD2              0x0F
+#define GLCP_CLK_OFF            0x10
+#define GLCP_CLK_ACTIVE         0x11
+#define GLCP_CLK_DISABLE        0x12
+#define GLCP_CLK4ACK            0x13
+#define GLCP_SYS_RST            0x14
+#define GLCP_RSVD3              0x15
+#define GLCP_DBG_CLK_CTRL       0x16
+#define GLCP_CHIP_REV_ID        0x17
+
+/* PIC */
+#define PIC_YSEL_LOW            0x20
+#define PIC_YSEL_LOW_USB_SHIFT          8
+#define PIC_YSEL_LOW_ACC_SHIFT          16
+#define PIC_YSEL_LOW_FLASH_SHIFT        24
+#define PIC_YSEL_HIGH           0x21
+#define PIC_ZSEL_LOW            0x22
+#define PIC_ZSEL_HIGH           0x23
+#define PIC_IRQM_PRIM           0x24
+#define PIC_IRQM_LPC            0x25
+#define PIC_XIRR_STS_LOW        0x26
+#define PIC_XIRR_STS_HIGH       0x27
+#define PCI_SHDW                0x34
+
+/*
+ * DIVIL STANDARD
+ */
+#define DIVIL_CAP               0x00
+#define DIVIL_CONFIG            0x01
+#define DIVIL_SMI               0x02
+#define DIVIL_ERROR             0x03
+#define DIVIL_PM                0x04
+#define DIVIL_DIAG              0x05
+
+/*
+ * DIVIL SPEC.
+ */
+#define DIVIL_LBAR_IRQ          0x08
+#define DIVIL_LBAR_KEL          0x09
+#define DIVIL_LBAR_SMB          0x0B
+#define DIVIL_LBAR_GPIO         0x0C
+#define DIVIL_LBAR_MFGPT        0x0D
+#define DIVIL_LBAR_ACPI         0x0E
+#define DIVIL_LBAR_PMS          0x0F
+#define DIVIL_LEG_IO            0x14
+#define DIVIL_BALL_OPTS         0x15
+#define DIVIL_SOFT_IRQ          0x16
+#define DIVIL_SOFT_RESET        0x17
+
+/* MFGPT */
+#define MFGPT_IRQ       0x28
+
+/*
+ * IDE STANDARD
+ */
+#define IDE_CAP         0x00
+#define IDE_CONFIG      0x01
+#define IDE_SMI         0x02
+#define IDE_ERROR       0x03
+#define IDE_PM          0x04
+#define IDE_DIAG        0x05
+
+/*
+ * IDE SPEC.
+ */
+#define IDE_IO_BAR      0x08
+#define IDE_CFG         0x10
+#define IDE_DTC         0x12
+#define IDE_CAST        0x13
+#define IDE_ETC         0x14
+#define IDE_INTERNAL_PM 0x15
+
+/*
+ * ACC STANDARD
+ */
+#define ACC_CAP         0x00
+#define ACC_CONFIG      0x01
+#define ACC_SMI         0x02
+#define ACC_ERROR       0x03
+#define ACC_PM          0x04
+#define ACC_DIAG        0x05
+
+/*
+ * USB STANDARD
+ */
+#define USB_CAP         0x00
+#define USB_CONFIG      0x01
+#define USB_SMI         0x02
+#define USB_ERROR       0x03
+#define USB_PM          0x04
+#define USB_DIAG        0x05
+
+/*
+ * USB SPEC.
+ */
+#define USB_OHCI        0x08
+#define USB_EHCI        0x09
+
+/****************** NATIVE ***************************/
+/* GPIO : I/O SPACE; REG : 32BITS */
+#define GPIOL_OUT_VAL           0x00
+#define GPIOL_OUT_EN            0x04
+
+#endif                          /* _CS5536_H */
diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h
new file mode 100644
index 000000000000..0dca9c89ee7c
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h
@@ -0,0 +1,153 @@
+/*
+ * the definition file of cs5536 Virtual Support Module(VSM).
+ * pci configuration space can be accessed through the VSM, so
+ * there is no need of the MSR read/write now, except the spec.
+ * MSR registers which are not implemented yet.
+ *
+ * Copyright (C) 2007 Lemote Inc.
+ * Author : jlliu, liujl@lemote.com
+ */
+
+#ifndef _CS5536_PCI_H
+#define _CS5536_PCI_H
+
+#include <linux/types.h>
+#include <linux/pci_regs.h>
+
+extern void cs5536_pci_conf_write4(int function, int reg, u32 value);
+extern u32 cs5536_pci_conf_read4(int function, int reg);
+
+#define CS5536_ACC_INTR         9
+#define CS5536_IDE_INTR         14
+#define CS5536_USB_INTR         11
+#define CS5536_MFGPT_INTR       5
+#define CS5536_UART1_INTR       4
+#define CS5536_UART2_INTR       3
+
+/************** PCI BUS DEVICE FUNCTION ***************/
+
+/*
+ * PCI bus device function
+ */
+#define PCI_BUS_CS5536          0
+#define PCI_IDSEL_CS5536        14
+
+/********** STANDARD PCI-2.2 EXPANSION ****************/
+
+/*
+ * PCI configuration space
+ * we have to virtualize the PCI configure space head, so we should
+ * define the necessary IDs and some others.
+ */
+
+/* CONFIG of PCI VENDOR ID*/
+#define CFG_PCI_VENDOR_ID(mod_dev_id, sys_vendor_id) \
+        (((mod_dev_id) << 16) | (sys_vendor_id))
+
+/* VENDOR ID */
+#define CS5536_VENDOR_ID        0x1022
+
+/* DEVICE ID */
+#define CS5536_ISA_DEVICE_ID            0x2090
+#define CS5536_IDE_DEVICE_ID            0x209a
+#define CS5536_ACC_DEVICE_ID            0x2093
+#define CS5536_OHCI_DEVICE_ID           0x2094
+#define CS5536_EHCI_DEVICE_ID           0x2095
+
+/* CLASS CODE : CLASS SUB-CLASS INTERFACE */
+#define CS5536_ISA_CLASS_CODE           0x060100
+#define CS5536_IDE_CLASS_CODE           0x010180
+#define CS5536_ACC_CLASS_CODE           0x040100
+#define CS5536_OHCI_CLASS_CODE          0x0C0310
+#define CS5536_EHCI_CLASS_CODE          0x0C0320
+
+/* BHLC : BIST HEADER-TYPE LATENCY-TIMER CACHE-LINE-SIZE */
+
+#define CFG_PCI_CACHE_LINE_SIZE(header_type, latency_timer)     \
+        ((PCI_NONE_BIST << 24) | ((header_type) << 16) \
+                | ((latency_timer) << 8) | PCI_NORMAL_CACHE_LINE_SIZE);
+
+#define PCI_NONE_BIST                   0x00    /* RO not implemented yet. */
+#define PCI_BRIDGE_HEADER_TYPE          0x80    /* RO */
+#define PCI_NORMAL_HEADER_TYPE          0x00
+#define PCI_NORMAL_LATENCY_TIMER        0x00
+#define PCI_NORMAL_CACHE_LINE_SIZE      0x08    /* RW */
+
+/* BAR */
+#define PCI_BAR0_REG                    0x10
+#define PCI_BAR1_REG                    0x14
+#define PCI_BAR2_REG                    0x18
+#define PCI_BAR3_REG                    0x1c
+#define PCI_BAR4_REG                    0x20
+#define PCI_BAR5_REG                    0x24
+#define PCI_BAR_COUNT                   6
+#define PCI_BAR_RANGE_MASK              0xFFFFFFFF
+
+/* CARDBUS CIS POINTER */
+#define PCI_CARDBUS_CIS_POINTER         0x00000000
+
+/* SUBSYSTEM VENDOR ID  */
+#define CS5536_SUB_VENDOR_ID            CS5536_VENDOR_ID
+
+/* SUBSYSTEM ID */
+#define CS5536_ISA_SUB_ID               CS5536_ISA_DEVICE_ID
+#define CS5536_IDE_SUB_ID               CS5536_IDE_DEVICE_ID
+#define CS5536_ACC_SUB_ID               CS5536_ACC_DEVICE_ID
+#define CS5536_OHCI_SUB_ID              CS5536_OHCI_DEVICE_ID
+#define CS5536_EHCI_SUB_ID              CS5536_EHCI_DEVICE_ID
+
+/* EXPANSION ROM BAR */
+#define PCI_EXPANSION_ROM_BAR           0x00000000
+
+/* CAPABILITIES POINTER */
+#define PCI_CAPLIST_POINTER             0x00000000
+#define PCI_CAPLIST_USB_POINTER         0x40
+/* INTERRUPT */
+
+#define CFG_PCI_INTERRUPT_LINE(pin, mod_intr) \
+        ((PCI_MAX_LATENCY << 24) | (PCI_MIN_GRANT << 16) | \
+                ((pin) << 8) | (mod_intr))
+
+#define PCI_MAX_LATENCY                 0x40
+#define PCI_MIN_GRANT                   0x00
+#define PCI_DEFAULT_PIN                 0x01
+
+/*********** EXPANSION PCI REG ************************/
+
+/*
+ * ISA EXPANSION
+ */
+#define PCI_UART1_INT_REG       0x50
+#define PCI_UART2_INT_REG       0x54
+#define PCI_ISA_FIXUP_REG       0x58
+
+/*
+ * IDE EXPANSION
+ */
+#define PCI_IDE_CFG_REG         0x40
+#define CS5536_IDE_FLASH_SIGNATURE      0xDEADBEEF
+#define PCI_IDE_DTC_REG         0x48
+#define PCI_IDE_CAST_REG        0x4C
+#define PCI_IDE_ETC_REG         0x50
+#define PCI_IDE_PM_REG          0x54
+#define PCI_IDE_INT_REG         0x60
+
+/*
+ * ACC EXPANSION
+ */
+#define PCI_ACC_INT_REG         0x50
+
+/*
+ * OHCI EXPANSION : INTTERUPT IS IMPLEMENTED BY THE OHCI
+ */
+#define PCI_OHCI_PM_REG         0x40
+#define PCI_OHCI_INT_REG        0x50
+
+/*
+ * EHCI EXPANSION
+ */
+#define PCI_EHCI_LEGSMIEN_REG   0x50
+#define PCI_EHCI_LEGSMISTS_REG  0x54
+#define PCI_EHCI_FLADJ_REG      0x60
+
+#endif                          /* _CS5536_PCI_H_ */
diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h
new file mode 100644
index 000000000000..6305bea7e18e
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h
@@ -0,0 +1,31 @@
+/*
+ * the read/write interfaces for Virtual Support Module(VSM)
+ *
+ * Copyright (C) 2009 Lemote, Inc.
+ * Author: Wu Zhangjin <wuzj@lemote.com>
+ */
+
+#ifndef _CS5536_VSM_H
+#define _CS5536_VSM_H
+
+#include <linux/types.h>
+
+typedef void (*cs5536_pci_vsm_write)(int reg, u32 value);
+typedef u32 (*cs5536_pci_vsm_read)(int reg);
+
+#define DECLARE_CS5536_MODULE(name) \
+extern void pci_##name##_write_reg(int reg, u32 value); \
+extern u32 pci_##name##_read_reg(int reg);
+
+/* ide module */
+DECLARE_CS5536_MODULE(ide)
+/* acc module */
+DECLARE_CS5536_MODULE(acc)
+/* ohci module */
+DECLARE_CS5536_MODULE(ohci)
+/* isa module */
+DECLARE_CS5536_MODULE(isa)
+/* ehci module */
+DECLARE_CS5536_MODULE(ehci)
+
+#endif                          /* _CS5536_VSM_H */