1 files changed, 259 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-quark/quark.h b/arch/x86/include/asm/arch-quark/quark.h
new file mode 100644
index 0000000..feca198
--- /dev/null
+++ b/arch/x86/include/asm/arch-quark/quark.h
@@ -0,0 +1,259 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#ifndef _QUARK_H_
+#define _QUARK_H_
+
+/* Message Bus Ports */
+#define MSG_PORT_MEM_ARBITER	0x00
+#define MSG_PORT_HOST_BRIDGE	0x03
+#define MSG_PORT_RMU		0x04
+#define MSG_PORT_MEM_MGR	0x05
+#define MSG_PORT_USB_AFE	0x14
+#define MSG_PORT_PCIE_AFE	0x16
+#define MSG_PORT_SOC_UNIT	0x31
+
+/* Port 0x00: Memory Arbiter Message Port Registers */
+
+/* Enhanced Configuration Space */
+#define AEC_CTRL		0x00
+
+/* Port 0x03: Host Bridge Message Port Registers */
+
+/* Host Miscellaneous Controls 2 */
+#define HMISC2			0x03
+
+#define HMISC2_SEGE		0x00000002
+#define HMISC2_SEGF		0x00000004
+#define HMISC2_SEGAB		0x00000010
+
+/* Host Memory I/O Boundary */
+#define HM_BOUND		0x08
+#define HM_BOUND_LOCK		0x00000001
+
+/* Extended Configuration Space */
+#define HEC_REG			0x09
+
+/* MTRR Registers */
+#define MTRR_CAP		0x40
+#define MTRR_DEF_TYPE		0x41
+
+#define MTRR_FIX_64K_00000	0x42
+#define MTRR_FIX_64K_40000	0x43
+#define MTRR_FIX_16K_80000	0x44
+#define MTRR_FIX_16K_90000	0x45
+#define MTRR_FIX_16K_A0000	0x46
+#define MTRR_FIX_16K_B0000	0x47
+#define MTRR_FIX_4K_C0000	0x48
+#define MTRR_FIX_4K_C4000	0x49
+#define MTRR_FIX_4K_C8000	0x4a
+#define MTRR_FIX_4K_CC000	0x4b
+#define MTRR_FIX_4K_D0000	0x4c
+#define MTRR_FIX_4K_D4000	0x4d
+#define MTRR_FIX_4K_D8000	0x4e
+#define MTRR_FIX_4K_DC000	0x4f
+#define MTRR_FIX_4K_E0000	0x50
+#define MTRR_FIX_4K_E4000	0x51
+#define MTRR_FIX_4K_E8000	0x52
+#define MTRR_FIX_4K_EC000	0x53
+#define MTRR_FIX_4K_F0000	0x54
+#define MTRR_FIX_4K_F4000	0x55
+#define MTRR_FIX_4K_F8000	0x56
+#define MTRR_FIX_4K_FC000	0x57
+
+#define MTRR_SMRR_PHYBASE	0x58
+#define MTRR_SMRR_PHYMASK	0x59
+
+#define MTRR_VAR_PHYBASE(n)	(0x5a + 2 * (n))
+#define MTRR_VAR_PHYMASK(n)	(0x5b + 2 * (n))
+
+#ifndef __ASSEMBLY__
+
+/* variable range MTRR usage */
+enum {
+	MTRR_VAR_ROM,
+	MTRR_VAR_ESRAM,
+	MTRR_VAR_RAM
+};
+
+#endif /* __ASSEMBLY__ */
+
+/* Port 0x04: Remote Management Unit Message Port Registers */
+
+/* ACPI PBLK Base Address Register */
+#define PBLK_BA			0x70
+
+/* Control Register */
+#define RMU_CTRL		0x71
+
+/* SPI DMA Base Address Register */
+#define SPI_DMA_BA		0x7a
+
+/* Thermal Sensor Register */
+#define TS_MODE			0xb0
+#define TS_TEMP			0xb1
+#define TS_TRIP			0xb2
+
+/* Port 0x05: Memory Manager Message Port Registers */
+
+/* eSRAM Block Page Control */
+#define ESRAM_BLK_CTRL		0x82
+#define ESRAM_BLOCK_MODE	0x10000000
+
+/* Port 0x14: USB2 AFE Unit Port Registers */
+
+#define USB2_GLOBAL_PORT	0x4001
+#define USB2_PLL1		0x7f02
+#define USB2_PLL2		0x7f03
+#define USB2_COMPBG		0x7f04
+
+/* Port 0x16: PCIe AFE Unit Port Registers */
+
+#define PCIE_RXPICTRL0_L0	0x2080
+#define PCIE_RXPICTRL0_L1	0x2180
+
+/* Port 0x31: SoC Unit Port Registers */
+
+/* Thermal Sensor Config */
+#define TS_CFG1			0x31
+#define TS_CFG2			0x32
+#define TS_CFG3			0x33
+#define TS_CFG4			0x34
+
+/* PCIe Controller Config */
+#define PCIE_CFG		0x36
+#define PCIE_CTLR_PRI_RST	0x00010000
+#define PCIE_PHY_SB_RST		0x00020000
+#define PCIE_CTLR_SB_RST	0x00040000
+#define PCIE_PHY_LANE_RST	0x00090000
+#define PCIE_CTLR_MAIN_RST	0x00100000
+
+/* DRAM */
+#define DRAM_BASE		0x00000000
+#define DRAM_MAX_SIZE		0x80000000
+
+/* eSRAM */
+#define ESRAM_SIZE		0x80000
+
+/* Memory BAR Enable */
+#define MEM_BAR_EN		0x00000001
+
+/* I/O BAR Enable */
+#define IO_BAR_EN		0x80000000
+
+/* 64KiB of RMU binary in flash */
+#define RMU_BINARY_SIZE		0x10000
+
+/* PCIe Root Port Configuration Registers */
+
+#define PCIE_RP_CCFG		0xd0
+#define CCFG_UPRS		(1 << 14)
+#define CCFG_UNRS		(1 << 15)
+#define CCFG_UNSD		(1 << 23)
+#define CCFG_UPSD		(1 << 24)
+
+#define PCIE_RP_MPC2		0xd4
+#define MPC2_IPF		(1 << 11)
+
+#define PCIE_RP_MBC		0xf4
+#define MBC_SBIC		(3 << 16)
+
+/* Legacy Bridge PCI Configuration Registers */
+#define LB_GBA			0x44
+#define LB_PM1BLK		0x48
+#define LB_GPE0BLK		0x4c
+#define LB_ACTL			0x58
+#define LB_PABCDRC		0x60
+#define LB_PEFGHRC		0x64
+#define LB_WDTBA		0x84
+#define LB_BCE			0xd4
+#define LB_BC			0xd8
+#define LB_RCBA			0xf0
+
+/* USB EHCI memory-mapped registers */
+#define EHCI_INSNREG01		0x94
+
+/* USB device memory-mapped registers */
+#define USBD_INT_MASK		0x410
+#define USBD_EP_INT_STS		0x414
+#define USBD_EP_INT_MASK	0x418
+
+#ifndef __ASSEMBLY__
+
+/* Root Complex Register Block */
+struct quark_rcba {
+	u32	rctl;
+	u32	esd;
+	u32	rsvd1[3150];
+	u16	rmu_ir;
+	u16	d23_ir;
+	u16	core_ir;
+	u16	d20d21_ir;
+};
+
+#include <asm/io.h>
+#include <asm/pci.h>
+
+/**
+ * qrk_pci_read_config_dword() - Read a configuration value
+ *
+ * @dev:	PCI device address: bus, device and function
+ * @offset:	Dword offset within the device's configuration space
+ * @valuep:	Place to put the returned value
+ *
+ * Note: This routine is inlined to provide better performance on Quark
+ */
+static inline void qrk_pci_read_config_dword(pci_dev_t dev, int offset,
+					     u32 *valuep)
+{
+	outl(dev | offset | PCI_CFG_EN, PCI_REG_ADDR);
+	*valuep = inl(PCI_REG_DATA);
+}
+
+/**
+ * qrk_pci_write_config_dword() - Write a PCI configuration value
+ *
+ * @dev:	PCI device address: bus, device and function
+ * @offset:	Dword offset within the device's configuration space
+ * @value:	Value to write
+ *
+ * Note: This routine is inlined to provide better performance on Quark
+ */
+static inline void qrk_pci_write_config_dword(pci_dev_t dev, int offset,
+					      u32 value)
+{
+	outl(dev | offset | PCI_CFG_EN, PCI_REG_ADDR);
+	outl(value, PCI_REG_DATA);
+}
+
+/**
+ * board_assert_perst() - Assert the PERST# pin
+ *
+ * The CPU interface to the PERST# signal on Quark is platform dependent.
+ * Board-specific codes need supply this routine to assert PCIe slot reset.
+ *
+ * The tricky part in this routine is that any APIs that may trigger PCI
+ * enumeration process are strictly forbidden, as any access to PCIe root
+ * port's configuration registers will cause system hang while it is held
+ * in reset.
+ */
+void board_assert_perst(void);
+
+/**
+ * board_deassert_perst() - De-assert the PERST# pin
+ *
+ * The CPU interface to the PERST# signal on Quark is platform dependent.
+ * Board-specific codes need supply this routine to de-assert PCIe slot reset.
+ *
+ * The tricky part in this routine is that any APIs that may trigger PCI
+ * enumeration process are strictly forbidden, as any access to PCIe root
+ * port's configuration registers will cause system hang while it is held
+ * in reset.
+ */
+void board_deassert_perst(void);
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _QUARK_H_ */