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80872e21 WS |
1 | /* |
2 | * Freescale eSDHC controller driver generics for OF and pltfm. | |
3 | * | |
4 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | |
5 | * Copyright (c) 2009 MontaVista Software, Inc. | |
6 | * Copyright (c) 2010 Pengutronix e.K. | |
7 | * Author: Wolfram Sang <w.sang@pengutronix.de> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License. | |
12 | */ | |
13 | ||
14 | #ifndef _DRIVERS_MMC_SDHCI_ESDHC_H | |
15 | #define _DRIVERS_MMC_SDHCI_ESDHC_H | |
16 | ||
17 | /* | |
18 | * Ops and quirks for the Freescale eSDHC controller. | |
19 | */ | |
20 | ||
21 | #define ESDHC_DEFAULT_QUIRKS (SDHCI_QUIRK_FORCE_BLK_SZ_2048 | \ | |
cbb45093 | 22 | SDHCI_QUIRK_32BIT_DMA_ADDR | \ |
80872e21 | 23 | SDHCI_QUIRK_NO_BUSY_IRQ | \ |
80872e21 | 24 | SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \ |
67b589a2 YL |
25 | SDHCI_QUIRK_PIO_NEEDS_DELAY | \ |
26 | SDHCI_QUIRK_NO_HISPD_BIT) | |
80872e21 | 27 | |
80872e21 WS |
28 | /* pltfm-specific */ |
29 | #define ESDHC_HOST_CONTROL_LE 0x20 | |
30 | ||
66b50a00 | 31 | /* |
a6b44888 | 32 | * eSDHC register definition |
66b50a00 | 33 | */ |
80872e21 | 34 | |
e87d2db2 | 35 | /* Present State Register */ |
36 | #define ESDHC_PRSSTAT 0x24 | |
37 | #define ESDHC_CLOCK_STABLE 0x00000008 | |
38 | ||
a6b44888 | 39 | /* Protocol Control Register */ |
40 | #define ESDHC_PROCTL 0x28 | |
ea35645a | 41 | #define ESDHC_VOLT_SEL 0x00000400 |
a6b44888 | 42 | #define ESDHC_CTRL_4BITBUS (0x1 << 1) |
43 | #define ESDHC_CTRL_8BITBUS (0x2 << 1) | |
44 | #define ESDHC_CTRL_BUSWIDTH_MASK (0x3 << 1) | |
45 | #define ESDHC_HOST_CONTROL_RES 0x01 | |
46 | ||
47 | /* System Control Register */ | |
48 | #define ESDHC_SYSTEM_CONTROL 0x2c | |
49 | #define ESDHC_CLOCK_MASK 0x0000fff0 | |
50 | #define ESDHC_PREDIV_SHIFT 8 | |
51 | #define ESDHC_DIVIDER_SHIFT 4 | |
e87d2db2 | 52 | #define ESDHC_CLOCK_SDCLKEN 0x00000008 |
a6b44888 | 53 | #define ESDHC_CLOCK_PEREN 0x00000004 |
54 | #define ESDHC_CLOCK_HCKEN 0x00000002 | |
55 | #define ESDHC_CLOCK_IPGEN 0x00000001 | |
56 | ||
2f3110cc | 57 | /* Host Controller Capabilities Register 2 */ |
58 | #define ESDHC_CAPABILITIES_1 0x114 | |
59 | ||
ba49cbd0 | 60 | /* Tuning Block Control Register */ |
61 | #define ESDHC_TBCTL 0x120 | |
54e08d9a YL |
62 | #define ESDHC_HS400_WNDW_ADJUST 0x00000040 |
63 | #define ESDHC_HS400_MODE 0x00000010 | |
ba49cbd0 | 64 | #define ESDHC_TB_EN 0x00000004 |
b1f378ab | 65 | #define ESDHC_TBPTR 0x128 |
ba49cbd0 | 66 | |
54e08d9a YL |
67 | /* SD Clock Control Register */ |
68 | #define ESDHC_SDCLKCTL 0x144 | |
69 | #define ESDHC_LPBK_CLK_SEL 0x80000000 | |
70 | #define ESDHC_CMD_CLK_CTL 0x00008000 | |
71 | ||
72 | /* SD Timing Control Register */ | |
73 | #define ESDHC_SDTIMNGCTL 0x148 | |
74 | #define ESDHC_FLW_CTL_BG 0x00008000 | |
75 | ||
76 | /* DLL Config 0 Register */ | |
77 | #define ESDHC_DLLCFG0 0x160 | |
78 | #define ESDHC_DLL_ENABLE 0x80000000 | |
79 | #define ESDHC_DLL_FREQ_SEL 0x08000000 | |
80 | ||
48e304cc YL |
81 | /* DLL Config 1 Register */ |
82 | #define ESDHC_DLLCFG1 0x164 | |
83 | #define ESDHC_DLL_PD_PULSE_STRETCH_SEL 0x80000000 | |
84 | ||
54e08d9a YL |
85 | /* DLL Status 0 Register */ |
86 | #define ESDHC_DLLSTAT0 0x170 | |
87 | #define ESDHC_DLL_STS_SLV_LOCK 0x08000000 | |
88 | ||
a6b44888 | 89 | /* Control Register for DMA transfer */ |
90 | #define ESDHC_DMA_SYSCTL 0x40c | |
19c3a0ef | 91 | #define ESDHC_PERIPHERAL_CLK_SEL 0x00080000 |
ba49cbd0 | 92 | #define ESDHC_FLUSH_ASYNC_FIFO 0x00040000 |
a6b44888 | 93 | #define ESDHC_DMA_SNOOP 0x00000040 |
80872e21 | 94 | |
80872e21 | 95 | #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ |