1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
9 /* Message Bus Ports */
10 #define MSG_PORT_MEM_ARBITER 0x00
11 #define MSG_PORT_HOST_BRIDGE 0x03
12 #define MSG_PORT_RMU 0x04
13 #define MSG_PORT_MEM_MGR 0x05
14 #define MSG_PORT_USB_AFE 0x14
15 #define MSG_PORT_PCIE_AFE 0x16
16 #define MSG_PORT_SOC_UNIT 0x31
18 /* Port 0x00: Memory Arbiter Message Port Registers */
20 /* Enhanced Configuration Space */
23 /* Port 0x03: Host Bridge Message Port Registers */
25 /* Host Miscellaneous Controls 2 */
28 #define HMISC2_SEGE 0x00000002
29 #define HMISC2_SEGF 0x00000004
30 #define HMISC2_SEGAB 0x00000010
32 /* Host Memory I/O Boundary */
34 #define HM_BOUND_LOCK 0x00000001
36 /* Extended Configuration Space */
41 #define MTRR_DEF_TYPE 0x41
43 #define MTRR_FIX_64K_00000 0x42
44 #define MTRR_FIX_64K_40000 0x43
45 #define MTRR_FIX_16K_80000 0x44
46 #define MTRR_FIX_16K_90000 0x45
47 #define MTRR_FIX_16K_A0000 0x46
48 #define MTRR_FIX_16K_B0000 0x47
49 #define MTRR_FIX_4K_C0000 0x48
50 #define MTRR_FIX_4K_C4000 0x49
51 #define MTRR_FIX_4K_C8000 0x4a
52 #define MTRR_FIX_4K_CC000 0x4b
53 #define MTRR_FIX_4K_D0000 0x4c
54 #define MTRR_FIX_4K_D4000 0x4d
55 #define MTRR_FIX_4K_D8000 0x4e
56 #define MTRR_FIX_4K_DC000 0x4f
57 #define MTRR_FIX_4K_E0000 0x50
58 #define MTRR_FIX_4K_E4000 0x51
59 #define MTRR_FIX_4K_E8000 0x52
60 #define MTRR_FIX_4K_EC000 0x53
61 #define MTRR_FIX_4K_F0000 0x54
62 #define MTRR_FIX_4K_F4000 0x55
63 #define MTRR_FIX_4K_F8000 0x56
64 #define MTRR_FIX_4K_FC000 0x57
66 #define MTRR_SMRR_PHYBASE 0x58
67 #define MTRR_SMRR_PHYMASK 0x59
69 #define MTRR_VAR_PHYBASE(n) (0x5a + 2 * (n))
70 #define MTRR_VAR_PHYMASK(n) (0x5b + 2 * (n))
74 /* variable range MTRR usage */
81 #endif /* __ASSEMBLY__ */
83 /* Port 0x04: Remote Management Unit Message Port Registers */
85 /* ACPI PBLK Base Address Register */
88 /* Control Register */
91 /* SPI DMA Base Address Register */
92 #define SPI_DMA_BA 0x7a
94 /* Thermal Sensor Register */
99 /* Port 0x05: Memory Manager Message Port Registers */
101 /* eSRAM Block Page Control */
102 #define ESRAM_BLK_CTRL 0x82
103 #define ESRAM_BLOCK_MODE 0x10000000
105 /* Port 0x14: USB2 AFE Unit Port Registers */
107 #define USB2_GLOBAL_PORT 0x4001
108 #define USB2_PLL1 0x7f02
109 #define USB2_PLL2 0x7f03
110 #define USB2_COMPBG 0x7f04
112 /* Port 0x16: PCIe AFE Unit Port Registers */
114 #define PCIE_RXPICTRL0_L0 0x2080
115 #define PCIE_RXPICTRL0_L1 0x2180
117 /* Port 0x31: SoC Unit Port Registers */
119 /* Thermal Sensor Config */
125 /* PCIe Controller Config */
126 #define PCIE_CFG 0x36
127 #define PCIE_CTLR_PRI_RST 0x00010000
128 #define PCIE_PHY_SB_RST 0x00020000
129 #define PCIE_CTLR_SB_RST 0x00040000
130 #define PCIE_PHY_LANE_RST 0x00090000
131 #define PCIE_CTLR_MAIN_RST 0x00100000
134 #define DRAM_BASE 0x00000000
135 #define DRAM_MAX_SIZE 0x80000000
138 #define ESRAM_SIZE 0x80000
140 /* Memory BAR Enable */
141 #define MEM_BAR_EN 0x00000001
144 #define IO_BAR_EN 0x80000000
146 /* 64KiB of RMU binary in flash */
147 #define RMU_BINARY_SIZE 0x10000
149 /* PCIe Root Port Configuration Registers */
151 #define PCIE_RP_CCFG 0xd0
152 #define CCFG_UPRS (1 << 14)
153 #define CCFG_UNRS (1 << 15)
154 #define CCFG_UNSD (1 << 23)
155 #define CCFG_UPSD (1 << 24)
157 #define PCIE_RP_MPC2 0xd4
158 #define MPC2_IPF (1 << 11)
160 #define PCIE_RP_MBC 0xf4
161 #define MBC_SBIC (3 << 16)
163 /* Legacy Bridge PCI Configuration Registers */
165 #define LB_PM1BLK 0x48
166 #define LB_GPE0BLK 0x4c
168 #define LB_PABCDRC 0x60
169 #define LB_PEFGHRC 0x64
170 #define LB_WDTBA 0x84
175 /* USB EHCI memory-mapped registers */
176 #define EHCI_INSNREG01 0x94
178 /* USB device memory-mapped registers */
179 #define USBD_INT_MASK 0x410
180 #define USBD_EP_INT_STS 0x414
181 #define USBD_EP_INT_MASK 0x418
185 /* Root Complex Register Block */
200 * qrk_pci_read_config_dword() - Read a configuration value
202 * @dev: PCI device address: bus, device and function
203 * @offset: Dword offset within the device's configuration space
204 * @valuep: Place to put the returned value
206 * Note: This routine is inlined to provide better performance on Quark
208 static inline void qrk_pci_read_config_dword(pci_dev_t dev, int offset,
211 outl(dev | offset | PCI_CFG_EN, PCI_REG_ADDR);
212 *valuep = inl(PCI_REG_DATA);
216 * qrk_pci_write_config_dword() - Write a PCI configuration value
218 * @dev: PCI device address: bus, device and function
219 * @offset: Dword offset within the device's configuration space
220 * @value: Value to write
222 * Note: This routine is inlined to provide better performance on Quark
224 static inline void qrk_pci_write_config_dword(pci_dev_t dev, int offset,
227 outl(dev | offset | PCI_CFG_EN, PCI_REG_ADDR);
228 outl(value, PCI_REG_DATA);
232 * board_assert_perst() - Assert the PERST# pin
234 * The CPU interface to the PERST# signal on Quark is platform dependent.
235 * Board-specific codes need supply this routine to assert PCIe slot reset.
237 * The tricky part in this routine is that any APIs that may trigger PCI
238 * enumeration process are strictly forbidden, as any access to PCIe root
239 * port's configuration registers will cause system hang while it is held
242 void board_assert_perst(void);
245 * board_deassert_perst() - De-assert the PERST# pin
247 * The CPU interface to the PERST# signal on Quark is platform dependent.
248 * Board-specific codes need supply this routine to de-assert PCIe slot reset.
250 * The tricky part in this routine is that any APIs that may trigger PCI
251 * enumeration process are strictly forbidden, as any access to PCIe root
252 * port's configuration registers will cause system hang while it is held
255 void board_deassert_perst(void);
257 #endif /* __ASSEMBLY__ */
259 #endif /* _QUARK_H_ */