Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 527 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536.h
new file mode 100644
index 0000000000..9795b33615
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536.h
@@ -0,0 +1,306 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * The header file of cs5536 south 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-loongson2ef/cs5536/cs5536_mfgpt.h b/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536_mfgpt.h
new file mode 100644
index 0000000000..52e8bb0fc0
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536_mfgpt.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * cs5536 mfgpt header file
+ */
+
+#ifndef _CS5536_MFGPT_H
+#define _CS5536_MFGPT_H
+
+#include <cs5536/cs5536.h>
+#include <cs5536/cs5536_pci.h>
+
+#ifdef CONFIG_CS5536_MFGPT
+extern void setup_mfgpt0_timer(void);
+extern void disable_mfgpt0_counter(void);
+extern void enable_mfgpt0_counter(void);
+#else
+static inline void __maybe_unused setup_mfgpt0_timer(void)
+{
+}
+static inline void __maybe_unused disable_mfgpt0_counter(void)
+{
+}
+static inline void __maybe_unused enable_mfgpt0_counter(void)
+{
+}
+#endif
+
+#define MFGPT_TICK_RATE 14318000
+#define COMPARE	 ((MFGPT_TICK_RATE + HZ/2) / HZ)
+
+#define MFGPT_BASE	mfgpt_base
+#define MFGPT0_CMP2	(MFGPT_BASE + 2)
+#define MFGPT0_CNT	(MFGPT_BASE + 4)
+#define MFGPT0_SETUP	(MFGPT_BASE + 6)
+
+#endif /*!_CS5536_MFGPT_H */
diff --git a/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536_pci.h b/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536_pci.h
new file mode 100644
index 0000000000..a0d4b75289
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536_pci.h
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * 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_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-loongson2ef/cs5536/cs5536_vsm.h b/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536_vsm.h
new file mode 100644
index 0000000000..70d0153ccc
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson2ef/cs5536/cs5536_vsm.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * the read/write interfaces for Virtual Support Module(VSM)
+ *
+ * Copyright (C) 2009 Lemote, Inc.
+ * Author: Wu Zhangjin <wuzhangjin@gmail.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 */