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35bdd29095
This also introduces <asm/sta2x11.h> to export a function that is in the base sta2x11 support patches. The header will increase with other prototypes and constants over time. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
325 lines
12 KiB
C
325 lines
12 KiB
C
/*
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* Copyright (c) 2009-2011 Wind River Systems, Inc.
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* Copyright (c) 2011 ST Microelectronics (Alessandro Rubini)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* The STMicroelectronics ConneXt (STA2X11) chip has several unrelated
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* functions in one PCI endpoint functions. This driver simply
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* registers the platform devices in this iomemregion and exports a few
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* functions to access common registers
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*/
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#ifndef __STA2X11_MFD_H
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#define __STA2X11_MFD_H
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#include <linux/types.h>
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#include <linux/pci.h>
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/*
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* The MFD PCI block includes the GPIO peripherals and other register blocks.
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* For GPIO, we have 32*4 bits (I use "gsta" for "gpio sta2x11".)
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*/
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#define GSTA_GPIO_PER_BLOCK 32
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#define GSTA_NR_BLOCKS 4
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#define GSTA_NR_GPIO (GSTA_GPIO_PER_BLOCK * GSTA_NR_BLOCKS)
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/* Pinconfig is set by the board definition: altfunc, pull-up, pull-down */
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struct sta2x11_gpio_pdata {
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unsigned pinconfig[GSTA_NR_GPIO];
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};
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/* Macros below lifted from sh_pfc.h, with minor differences */
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#define PINMUX_TYPE_NONE 0
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#define PINMUX_TYPE_FUNCTION 1
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#define PINMUX_TYPE_OUTPUT_LOW 2
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#define PINMUX_TYPE_OUTPUT_HIGH 3
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#define PINMUX_TYPE_INPUT 4
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#define PINMUX_TYPE_INPUT_PULLUP 5
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#define PINMUX_TYPE_INPUT_PULLDOWN 6
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/* Give names to GPIO pins, like PXA does, taken from the manual */
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#define STA2X11_GPIO0 0
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#define STA2X11_GPIO1 1
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#define STA2X11_GPIO2 2
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#define STA2X11_GPIO3 3
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#define STA2X11_GPIO4 4
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#define STA2X11_GPIO5 5
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#define STA2X11_GPIO6 6
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#define STA2X11_GPIO7 7
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#define STA2X11_GPIO8_RGBOUT_RED7 8
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#define STA2X11_GPIO9_RGBOUT_RED6 9
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#define STA2X11_GPIO10_RGBOUT_RED5 10
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#define STA2X11_GPIO11_RGBOUT_RED4 11
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#define STA2X11_GPIO12_RGBOUT_RED3 12
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#define STA2X11_GPIO13_RGBOUT_RED2 13
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#define STA2X11_GPIO14_RGBOUT_RED1 14
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#define STA2X11_GPIO15_RGBOUT_RED0 15
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#define STA2X11_GPIO16_RGBOUT_GREEN7 16
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#define STA2X11_GPIO17_RGBOUT_GREEN6 17
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#define STA2X11_GPIO18_RGBOUT_GREEN5 18
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#define STA2X11_GPIO19_RGBOUT_GREEN4 19
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#define STA2X11_GPIO20_RGBOUT_GREEN3 20
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#define STA2X11_GPIO21_RGBOUT_GREEN2 21
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#define STA2X11_GPIO22_RGBOUT_GREEN1 22
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#define STA2X11_GPIO23_RGBOUT_GREEN0 23
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#define STA2X11_GPIO24_RGBOUT_BLUE7 24
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#define STA2X11_GPIO25_RGBOUT_BLUE6 25
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#define STA2X11_GPIO26_RGBOUT_BLUE5 26
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#define STA2X11_GPIO27_RGBOUT_BLUE4 27
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#define STA2X11_GPIO28_RGBOUT_BLUE3 28
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#define STA2X11_GPIO29_RGBOUT_BLUE2 29
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#define STA2X11_GPIO30_RGBOUT_BLUE1 30
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#define STA2X11_GPIO31_RGBOUT_BLUE0 31
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#define STA2X11_GPIO32_RGBOUT_VSYNCH 32
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#define STA2X11_GPIO33_RGBOUT_HSYNCH 33
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#define STA2X11_GPIO34_RGBOUT_DEN 34
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#define STA2X11_GPIO35_ETH_CRS_DV 35
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#define STA2X11_GPIO36_ETH_TXD1 36
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#define STA2X11_GPIO37_ETH_TXD0 37
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#define STA2X11_GPIO38_ETH_TX_EN 38
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#define STA2X11_GPIO39_MDIO 39
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#define STA2X11_GPIO40_ETH_REF_CLK 40
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#define STA2X11_GPIO41_ETH_RXD1 41
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#define STA2X11_GPIO42_ETH_RXD0 42
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#define STA2X11_GPIO43_MDC 43
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#define STA2X11_GPIO44_CAN_TX 44
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#define STA2X11_GPIO45_CAN_RX 45
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#define STA2X11_GPIO46_MLB_DAT 46
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#define STA2X11_GPIO47_MLB_SIG 47
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#define STA2X11_GPIO48_SPI0_CLK 48
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#define STA2X11_GPIO49_SPI0_TXD 49
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#define STA2X11_GPIO50_SPI0_RXD 50
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#define STA2X11_GPIO51_SPI0_FRM 51
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#define STA2X11_GPIO52_SPI1_CLK 52
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#define STA2X11_GPIO53_SPI1_TXD 53
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#define STA2X11_GPIO54_SPI1_RXD 54
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#define STA2X11_GPIO55_SPI1_FRM 55
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#define STA2X11_GPIO56_SPI2_CLK 56
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#define STA2X11_GPIO57_SPI2_TXD 57
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#define STA2X11_GPIO58_SPI2_RXD 58
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#define STA2X11_GPIO59_SPI2_FRM 59
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#define STA2X11_GPIO60_I2C0_SCL 60
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#define STA2X11_GPIO61_I2C0_SDA 61
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#define STA2X11_GPIO62_I2C1_SCL 62
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#define STA2X11_GPIO63_I2C1_SDA 63
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#define STA2X11_GPIO64_I2C2_SCL 64
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#define STA2X11_GPIO65_I2C2_SDA 65
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#define STA2X11_GPIO66_I2C3_SCL 66
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#define STA2X11_GPIO67_I2C3_SDA 67
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#define STA2X11_GPIO68_MSP0_RCK 68
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#define STA2X11_GPIO69_MSP0_RXD 69
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#define STA2X11_GPIO70_MSP0_RFS 70
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#define STA2X11_GPIO71_MSP0_TCK 71
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#define STA2X11_GPIO72_MSP0_TXD 72
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#define STA2X11_GPIO73_MSP0_TFS 73
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#define STA2X11_GPIO74_MSP0_SCK 74
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#define STA2X11_GPIO75_MSP1_CK 75
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#define STA2X11_GPIO76_MSP1_RXD 76
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#define STA2X11_GPIO77_MSP1_FS 77
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#define STA2X11_GPIO78_MSP1_TXD 78
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#define STA2X11_GPIO79_MSP2_CK 79
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#define STA2X11_GPIO80_MSP2_RXD 80
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#define STA2X11_GPIO81_MSP2_FS 81
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#define STA2X11_GPIO82_MSP2_TXD 82
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#define STA2X11_GPIO83_MSP3_CK 83
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#define STA2X11_GPIO84_MSP3_RXD 84
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#define STA2X11_GPIO85_MSP3_FS 85
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#define STA2X11_GPIO86_MSP3_TXD 86
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#define STA2X11_GPIO87_MSP4_CK 87
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#define STA2X11_GPIO88_MSP4_RXD 88
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#define STA2X11_GPIO89_MSP4_FS 89
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#define STA2X11_GPIO90_MSP4_TXD 90
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#define STA2X11_GPIO91_MSP5_CK 91
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#define STA2X11_GPIO92_MSP5_RXD 92
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#define STA2X11_GPIO93_MSP5_FS 93
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#define STA2X11_GPIO94_MSP5_TXD 94
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#define STA2X11_GPIO95_SDIO3_DAT3 95
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#define STA2X11_GPIO96_SDIO3_DAT2 96
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#define STA2X11_GPIO97_SDIO3_DAT1 97
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#define STA2X11_GPIO98_SDIO3_DAT0 98
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#define STA2X11_GPIO99_SDIO3_CLK 99
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#define STA2X11_GPIO100_SDIO3_CMD 100
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#define STA2X11_GPIO101 101
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#define STA2X11_GPIO102 102
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#define STA2X11_GPIO103 103
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#define STA2X11_GPIO104 104
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#define STA2X11_GPIO105_SDIO2_DAT3 105
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#define STA2X11_GPIO106_SDIO2_DAT2 106
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#define STA2X11_GPIO107_SDIO2_DAT1 107
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#define STA2X11_GPIO108_SDIO2_DAT0 108
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#define STA2X11_GPIO109_SDIO2_CLK 109
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#define STA2X11_GPIO110_SDIO2_CMD 110
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#define STA2X11_GPIO111 111
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#define STA2X11_GPIO112 112
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#define STA2X11_GPIO113 113
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#define STA2X11_GPIO114 114
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#define STA2X11_GPIO115_SDIO1_DAT3 115
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#define STA2X11_GPIO116_SDIO1_DAT2 116
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#define STA2X11_GPIO117_SDIO1_DAT1 117
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#define STA2X11_GPIO118_SDIO1_DAT0 118
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#define STA2X11_GPIO119_SDIO1_CLK 119
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#define STA2X11_GPIO120_SDIO1_CMD 120
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#define STA2X11_GPIO121 121
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#define STA2X11_GPIO122 122
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#define STA2X11_GPIO123 123
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#define STA2X11_GPIO124 124
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#define STA2X11_GPIO125_UART2_TXD 125
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#define STA2X11_GPIO126_UART2_RXD 126
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#define STA2X11_GPIO127_UART3_TXD 127
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/*
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* The APB bridge has its own registers, needed by our users as well.
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* They are accessed with the following read/mask/write function.
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*/
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u32 sta2x11_apbreg_mask(struct pci_dev *pdev, u32 reg, u32 mask, u32 val);
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/* CAN and MLB */
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#define APBREG_BSR 0x00 /* Bridge Status Reg */
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#define APBREG_PAER 0x08 /* Peripherals Address Error Reg */
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#define APBREG_PWAC 0x20 /* Peripheral Write Access Control reg */
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#define APBREG_PRAC 0x40 /* Peripheral Read Access Control reg */
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#define APBREG_PCG 0x60 /* Peripheral Clock Gating Reg */
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#define APBREG_PUR 0x80 /* Peripheral Under Reset Reg */
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#define APBREG_EMU_PCG 0xA0 /* Emulator Peripheral Clock Gating Reg */
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#define APBREG_CAN (1 << 1)
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#define APBREG_MLB (1 << 3)
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/* SARAC */
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#define APBREG_BSR_SARAC 0x100 /* Bridge Status Reg */
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#define APBREG_PAER_SARAC 0x108 /* Peripherals Address Error Reg */
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#define APBREG_PWAC_SARAC 0x120 /* Peripheral Write Access Control reg */
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#define APBREG_PRAC_SARAC 0x140 /* Peripheral Read Access Control reg */
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#define APBREG_PCG_SARAC 0x160 /* Peripheral Clock Gating Reg */
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#define APBREG_PUR_SARAC 0x180 /* Peripheral Under Reset Reg */
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#define APBREG_EMU_PCG_SARAC 0x1A0 /* Emulator Peripheral Clock Gating Reg */
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#define APBREG_SARAC (1 << 2)
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/*
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* The system controller has its own registers. Some of these are accessed
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* by out users as well, using the following read/mask/write/function
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*/
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u32 sta2x11_sctl_mask(struct pci_dev *pdev, u32 reg, u32 mask, u32 val);
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#define SCTL_SCCTL 0x00 /* System controller control register */
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#define SCTL_ARMCFG 0x04 /* ARM configuration register */
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#define SCTL_SCPLLCTL 0x08 /* PLL control status register */
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#define SCTL_SCPLLFCTRL 0x0c /* PLL frequency control register */
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#define SCTL_SCRESFRACT 0x10 /* PLL fractional input register */
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#define SCTL_SCRESCTRL1 0x14 /* Peripheral reset control 1 */
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#define SCTL_SCRESXTRL2 0x18 /* Peripheral reset control 2 */
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#define SCTL_SCPEREN0 0x1c /* Peripheral clock enable register 0 */
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#define SCTL_SCPEREN1 0x20 /* Peripheral clock enable register 1 */
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#define SCTL_SCPEREN2 0x24 /* Peripheral clock enable register 2 */
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#define SCTL_SCGRST 0x28 /* Peripheral global reset */
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#define SCTL_SCPCIPMCR1 0x30 /* PCI power management control 1 */
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#define SCTL_SCPCIPMCR2 0x34 /* PCI power management control 2 */
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#define SCTL_SCPCIPMSR1 0x38 /* PCI power management status 1 */
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#define SCTL_SCPCIPMSR2 0x3c /* PCI power management status 2 */
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#define SCTL_SCPCIPMSR3 0x40 /* PCI power management status 3 */
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#define SCTL_SCINTREN 0x44 /* Interrupt enable */
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#define SCTL_SCRISR 0x48 /* RAW interrupt status */
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#define SCTL_SCCLKSTAT0 0x4c /* Peripheral clocks status 0 */
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#define SCTL_SCCLKSTAT1 0x50 /* Peripheral clocks status 1 */
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#define SCTL_SCCLKSTAT2 0x54 /* Peripheral clocks status 2 */
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#define SCTL_SCRSTSTA 0x58 /* Reset status register */
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#define SCTL_SCRESCTRL1_USB_PHY_POR (1 << 0)
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#define SCTL_SCRESCTRL1_USB_OTG (1 << 1)
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#define SCTL_SCRESCTRL1_USB_HRST (1 << 2)
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#define SCTL_SCRESCTRL1_USB_PHY_HOST (1 << 3)
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#define SCTL_SCRESCTRL1_SATAII (1 << 4)
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#define SCTL_SCRESCTRL1_VIP (1 << 5)
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#define SCTL_SCRESCTRL1_PER_MMC0 (1 << 6)
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#define SCTL_SCRESCTRL1_PER_MMC1 (1 << 7)
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#define SCTL_SCRESCTRL1_PER_GPIO0 (1 << 8)
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#define SCTL_SCRESCTRL1_PER_GPIO1 (1 << 9)
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#define SCTL_SCRESCTRL1_PER_GPIO2 (1 << 10)
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#define SCTL_SCRESCTRL1_PER_GPIO3 (1 << 11)
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#define SCTL_SCRESCTRL1_PER_MTU0 (1 << 12)
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#define SCTL_SCRESCTRL1_KER_SPI0 (1 << 13)
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#define SCTL_SCRESCTRL1_KER_SPI1 (1 << 14)
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#define SCTL_SCRESCTRL1_KER_SPI2 (1 << 15)
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#define SCTL_SCRESCTRL1_KER_MCI0 (1 << 16)
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#define SCTL_SCRESCTRL1_KER_MCI1 (1 << 17)
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#define SCTL_SCRESCTRL1_PRE_HSI2C0 (1 << 18)
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#define SCTL_SCRESCTRL1_PER_HSI2C1 (1 << 19)
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#define SCTL_SCRESCTRL1_PER_HSI2C2 (1 << 20)
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#define SCTL_SCRESCTRL1_PER_HSI2C3 (1 << 21)
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#define SCTL_SCRESCTRL1_PER_MSP0 (1 << 22)
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#define SCTL_SCRESCTRL1_PER_MSP1 (1 << 23)
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#define SCTL_SCRESCTRL1_PER_MSP2 (1 << 24)
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#define SCTL_SCRESCTRL1_PER_MSP3 (1 << 25)
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#define SCTL_SCRESCTRL1_PER_MSP4 (1 << 26)
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#define SCTL_SCRESCTRL1_PER_MSP5 (1 << 27)
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#define SCTL_SCRESCTRL1_PER_MMC (1 << 28)
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#define SCTL_SCRESCTRL1_KER_MSP0 (1 << 29)
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#define SCTL_SCRESCTRL1_KER_MSP1 (1 << 30)
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#define SCTL_SCRESCTRL1_KER_MSP2 (1 << 31)
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#define SCTL_SCPEREN0_UART0 (1 << 0)
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#define SCTL_SCPEREN0_UART1 (1 << 1)
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#define SCTL_SCPEREN0_UART2 (1 << 2)
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#define SCTL_SCPEREN0_UART3 (1 << 3)
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#define SCTL_SCPEREN0_MSP0 (1 << 4)
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#define SCTL_SCPEREN0_MSP1 (1 << 5)
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#define SCTL_SCPEREN0_MSP2 (1 << 6)
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#define SCTL_SCPEREN0_MSP3 (1 << 7)
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#define SCTL_SCPEREN0_MSP4 (1 << 8)
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#define SCTL_SCPEREN0_MSP5 (1 << 9)
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#define SCTL_SCPEREN0_SPI0 (1 << 10)
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#define SCTL_SCPEREN0_SPI1 (1 << 11)
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#define SCTL_SCPEREN0_SPI2 (1 << 12)
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#define SCTL_SCPEREN0_I2C0 (1 << 13)
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#define SCTL_SCPEREN0_I2C1 (1 << 14)
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#define SCTL_SCPEREN0_I2C2 (1 << 15)
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#define SCTL_SCPEREN0_I2C3 (1 << 16)
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#define SCTL_SCPEREN0_SVDO_LVDS (1 << 17)
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#define SCTL_SCPEREN0_USB_HOST (1 << 18)
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#define SCTL_SCPEREN0_USB_OTG (1 << 19)
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#define SCTL_SCPEREN0_MCI0 (1 << 20)
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#define SCTL_SCPEREN0_MCI1 (1 << 21)
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#define SCTL_SCPEREN0_MCI2 (1 << 22)
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#define SCTL_SCPEREN0_MCI3 (1 << 23)
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#define SCTL_SCPEREN0_SATA (1 << 24)
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#define SCTL_SCPEREN0_ETHERNET (1 << 25)
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#define SCTL_SCPEREN0_VIC (1 << 26)
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#define SCTL_SCPEREN0_DMA_AUDIO (1 << 27)
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#define SCTL_SCPEREN0_DMA_SOC (1 << 28)
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#define SCTL_SCPEREN0_RAM (1 << 29)
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#define SCTL_SCPEREN0_VIP (1 << 30)
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#define SCTL_SCPEREN0_ARM (1 << 31)
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#define SCTL_SCPEREN1_UART0 (1 << 0)
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#define SCTL_SCPEREN1_UART1 (1 << 1)
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#define SCTL_SCPEREN1_UART2 (1 << 2)
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#define SCTL_SCPEREN1_UART3 (1 << 3)
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#define SCTL_SCPEREN1_MSP0 (1 << 4)
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#define SCTL_SCPEREN1_MSP1 (1 << 5)
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#define SCTL_SCPEREN1_MSP2 (1 << 6)
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#define SCTL_SCPEREN1_MSP3 (1 << 7)
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#define SCTL_SCPEREN1_MSP4 (1 << 8)
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#define SCTL_SCPEREN1_MSP5 (1 << 9)
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#define SCTL_SCPEREN1_SPI0 (1 << 10)
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#define SCTL_SCPEREN1_SPI1 (1 << 11)
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#define SCTL_SCPEREN1_SPI2 (1 << 12)
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#define SCTL_SCPEREN1_I2C0 (1 << 13)
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#define SCTL_SCPEREN1_I2C1 (1 << 14)
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#define SCTL_SCPEREN1_I2C2 (1 << 15)
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#define SCTL_SCPEREN1_I2C3 (1 << 16)
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#define SCTL_SCPEREN1_USB_PHY (1 << 17)
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#endif /* __STA2X11_MFD_H */
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