1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * common routine and memory layout for Tundra TSI108(Grendel) host bridge
4 * memory controller.
5 *
6 * Author: Jacob Pan (jacob.pan@freescale.com)
7 * Alex Bounine (alexandreb@tundra.com)
8 *
9 * Copyright 2004-2006 Freescale Semiconductor, Inc.
10 */
11
12 #ifndef __PPC_KERNEL_TSI108_H
13 #define __PPC_KERNEL_TSI108_H
14
15 #include <asm/pci-bridge.h>
16
17 /* Size of entire register space */
18 #define TSI108_REG_SIZE (0x10000)
19
20 /* Sizes of register spaces for individual blocks */
21 #define TSI108_HLP_SIZE 0x1000
22 #define TSI108_PCI_SIZE 0x1000
23 #define TSI108_CLK_SIZE 0x1000
24 #define TSI108_PB_SIZE 0x1000
25 #define TSI108_SD_SIZE 0x1000
26 #define TSI108_DMA_SIZE 0x1000
27 #define TSI108_ETH_SIZE 0x1000
28 #define TSI108_I2C_SIZE 0x400
29 #define TSI108_MPIC_SIZE 0x400
30 #define TSI108_UART0_SIZE 0x200
31 #define TSI108_GPIO_SIZE 0x200
32 #define TSI108_UART1_SIZE 0x200
33
34 /* Offsets within Tsi108(A) CSR space for individual blocks */
35 #define TSI108_HLP_OFFSET 0x0000
36 #define TSI108_PCI_OFFSET 0x1000
37 #define TSI108_CLK_OFFSET 0x2000
38 #define TSI108_PB_OFFSET 0x3000
39 #define TSI108_SD_OFFSET 0x4000
40 #define TSI108_DMA_OFFSET 0x5000
41 #define TSI108_ETH_OFFSET 0x6000
42 #define TSI108_I2C_OFFSET 0x7000
43 #define TSI108_MPIC_OFFSET 0x7400
44 #define TSI108_UART0_OFFSET 0x7800
45 #define TSI108_GPIO_OFFSET 0x7A00
46 #define TSI108_UART1_OFFSET 0x7C00
47
48 /* Tsi108 registers used by common code components */
49 #define TSI108_PCI_CSR (0x004)
50 #define TSI108_PCI_IRP_CFG_CTL (0x180)
51 #define TSI108_PCI_IRP_STAT (0x184)
52 #define TSI108_PCI_IRP_ENABLE (0x188)
53 #define TSI108_PCI_IRP_INTAD (0x18C)
54
55 #define TSI108_PCI_IRP_STAT_P_INT (0x00400000)
56 #define TSI108_PCI_IRP_ENABLE_P_INT (0x00400000)
57
58 #define TSI108_CG_PWRUP_STATUS (0x234)
59
60 #define TSI108_PB_ISR (0x00C)
61 #define TSI108_PB_ERRCS (0x404)
62 #define TSI108_PB_AERR (0x408)
63
64 #define TSI108_PB_ERRCS_ES (1 << 1)
65 #define TSI108_PB_ISR_PBS_RD_ERR (1 << 8)
66
67 #define TSI108_PCI_CFG_SIZE (0x01000000)
68
69 /*
70 * PHY Configuration Options
71 *
72 * Specify "bcm54xx" in the compatible property of your device tree phy
73 * nodes if your board uses the Broadcom PHYs
74 */
75 #define TSI108_PHY_MV88E 0 /* Marvel 88Exxxx PHY */
76 #define TSI108_PHY_BCM54XX 1 /* Broadcom BCM54xx PHY */
77
78 /* Global variables */
79
80 extern u32 tsi108_pci_cfg_base;
81 /* Exported functions */
82
83 extern int tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfn,
84 int offset, int len, u32 val);
85 extern int tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn,
86 int offset, int len, u32 * val);
87 extern void tsi108_clear_pci_error(u32 pci_cfg_base);
88
89 extern phys_addr_t get_csrbase(void);
90
91 typedef struct {
92 u32 regs; /* hw registers base address */
93 u32 phyregs; /* phy registers base address */
94 u16 phy; /* phy address */
95 u16 irq_num; /* irq number */
96 u8 mac_addr[6]; /* phy mac address */
97 u16 phy_type; /* type of phy on board */
98 } hw_info;
99
100 extern u32 get_vir_csrbase(void);
101 extern u32 tsi108_csr_vir_base;
102
103 static inline u32 tsi108_read_reg(u32 reg_offset)
104 {
105 return in_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset));
106 }
107
108 static inline void tsi108_write_reg(u32 reg_offset, u32 val)
109 {
110 out_be32((volatile u32 *)(tsi108_csr_vir_base + reg_offset), val);
111 }
112
113 #endif /* __PPC_KERNEL_TSI108_H */
114
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