1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* Driver for BayHub Technology BH720 PCI to eMMC 5.0 HS200 bridge
*
* This file is part of the coreboot project.
*
* Copyright 2018 Google LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <types.h>
enum {
BH720_PROTECT = 0xd0,
BH720_PROTECT_LOCK_OFF = 0,
BH720_PROTECT_LOCK_ON = BIT(0),
BH720_PROTECT_OFF = 0,
BH720_PROTECT_ON = BIT(31),
BH720_LINK_CTRL = 0x90,
BH720_LINK_CTRL_L0_ENABLE = BIT(0),
BH720_LINK_CTRL_L1_ENABLE = BIT(1),
BH720_LINK_CTRL_CLKREQ = BIT(8),
BH720_MISC2 = 0xf0,
BH720_MISC2_ASPM_DISABLE = BIT(0),
BH720_MISC2_APSM_CLKREQ_L1 = BIT(7),
BH720_MISC2_APSM_PHY_L1 = BIT(10),
BH720_MISC2_APSM_MORE = BIT(12),
BH720_MEM_RW_DATA = 0x200,
BH720_MEM_RW_ADR = 0x204,
BH720_MEM_RW_READ = BIT(30),
BH720_MEM_RW_WRITE = BIT(31),
BH720_MEM_ACCESS_EN = 0x208,
BH720_PCR_DrvStrength_PLL = 0x304,
BH720_PCR_DATA_CMD_DRV_MAX = 7,
BH720_PCR_CLK_DRV_MAX = 7,
BH720_PCR_EMMC_SETTING = 0x308,
BH720_PCR_EMMC_SETTING_1_8V = BIT(4),
BH720_RTD3_L1 = 0x3e0,
BH720_RTD3_L1_DISABLE_L1 = BIT(28),
BH720_PCR_CSR = 0x3e4,
BH720_PCR_CSR_EMMC_MODE_SEL = BIT(22),
};
void board_bh720(struct device *dev);
|
