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Stefan Roese93e6bf42014-10-22 12:13:17 +02001/*
2 * (C) Copyright 2009
3 * Marvell Semiconductor <www.marvell.com>
4 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9#ifndef _ARMADA_XP_CPU_H
10#define _ARMADA_XP_CPU_H
11
12#include <asm/system.h>
13
14#ifndef __ASSEMBLY__
15
16#define MVEBU_REG_PCIE_DEVID (MVEBU_REG_PCIE_BASE + 0x00)
17#define MVEBU_REG_PCIE_REVID (MVEBU_REG_PCIE_BASE + 0x08)
18
19enum memory_bank {
20 BANK0,
21 BANK1,
22 BANK2,
23 BANK3
24};
25
26enum cpu_winen {
27 CPU_WIN_DISABLE,
28 CPU_WIN_ENABLE
29};
30
31enum cpu_target {
32 CPU_TARGET_DRAM = 0x0,
33 CPU_TARGET_DEVICEBUS_BOOTROM_SPI = 0x1,
34 CPU_TARGET_ETH23 = 0x3,
35 CPU_TARGET_PCIE02 = 0x4,
36 CPU_TARGET_ETH01 = 0x7,
37 CPU_TARGET_PCIE13 = 0x8,
38 CPU_TARGET_SASRAM = 0x9,
39 CPU_TARGET_NAND = 0xd,
40};
41
42enum cpu_attrib {
43 CPU_ATTR_SASRAM = 0x01,
44 CPU_ATTR_DRAM_CS0 = 0x0e,
45 CPU_ATTR_DRAM_CS1 = 0x0d,
46 CPU_ATTR_DRAM_CS2 = 0x0b,
47 CPU_ATTR_DRAM_CS3 = 0x07,
48 CPU_ATTR_NANDFLASH = 0x2f,
49 CPU_ATTR_SPIFLASH = 0x1e,
50 CPU_ATTR_BOOTROM = 0x1d,
51 CPU_ATTR_PCIE_IO = 0xe0,
52 CPU_ATTR_PCIE_MEM = 0xe8,
53 CPU_ATTR_DEV_CS0 = 0x3e,
54 CPU_ATTR_DEV_CS1 = 0x3d,
55 CPU_ATTR_DEV_CS2 = 0x3b,
56 CPU_ATTR_DEV_CS3 = 0x37,
57};
58
59/*
60 * Default Device Address MAP BAR values
61 */
62#define DEFADR_PCI_MEM 0x90000000
63#define DEFADR_PCI_IO 0xC0000000
64#define DEFADR_SPIF 0xF4000000
65#define DEFADR_BOOTROM 0xF8000000
66
67struct mbus_win {
68 u32 base;
69 u32 size;
70 u8 target;
71 u8 attr;
72};
73
74/*
75 * System registers
76 * Ref: Datasheet sec:A.28
77 */
78struct mvebu_system_registers {
79 u8 pad1[0x60];
80 u32 rstoutn_mask; /* 0x60 */
81 u32 sys_soft_rst; /* 0x64 */
82};
83
84/*
85 * GPIO Registers
86 * Ref: Datasheet sec:A.19
87 */
88struct kwgpio_registers {
89 u32 dout;
90 u32 oe;
91 u32 blink_en;
92 u32 din_pol;
93 u32 din;
94 u32 irq_cause;
95 u32 irq_mask;
96 u32 irq_level;
97};
98
99/*
100 * functions
101 */
102unsigned int mvebu_sdram_bar(enum memory_bank bank);
103unsigned int mvebu_sdram_bs(enum memory_bank bank);
104void mvebu_sdram_size_adjust(enum memory_bank bank);
105int mvebu_mbus_probe(struct mbus_win windows[], int count);
106#endif /* __ASSEMBLY__ */
107#endif /* _ARMADA_XP_CPU_H */