blob: b1ac59e5b3c93ca3ce1f73faee0a799cff7f6eca [file] [log] [blame]
Tom Warren8981bff2014-01-24 12:46:15 -07001/*
2 * (C) Copyright 2013
3 * NVIDIA Corporation <www.nvidia.com>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8/* Tegra124 pin multiplexing functions */
9
10#include <common.h>
11#include <asm/io.h>
12#include <asm/arch/tegra.h>
13#include <asm/arch/pinmux.h>
14
15struct tegra_pingroup_desc {
16 const char *name;
17 enum pmux_func funcs[4];
Tom Warren8981bff2014-01-24 12:46:15 -070018 enum pmux_vddio vddio;
19 enum pmux_pin_io io;
20};
21
22#define PMUX_MUXCTL_SHIFT 0
23#define PMUX_PULL_SHIFT 2
24#define PMUX_TRISTATE_SHIFT 4
25#define PMUX_TRISTATE_MASK (1 << PMUX_TRISTATE_SHIFT)
26#define PMUX_IO_SHIFT 5
27#define PMUX_OD_SHIFT 6
28#define PMUX_LOCK_SHIFT 7
29#define PMUX_IO_RESET_SHIFT 8
30#define PMUX_RCV_SEL_SHIFT 9
31
32#define PGRP_HSM_SHIFT 2
33#define PGRP_SCHMT_SHIFT 3
34#define PGRP_LPMD_SHIFT 4
35#define PGRP_LPMD_MASK (3 << PGRP_LPMD_SHIFT)
36#define PGRP_DRVDN_SHIFT 12
37#define PGRP_DRVDN_MASK (0x7F << PGRP_DRVDN_SHIFT)
38#define PGRP_DRVUP_SHIFT 20
39#define PGRP_DRVUP_MASK (0x7F << PGRP_DRVUP_SHIFT)
40#define PGRP_SLWR_SHIFT 28
41#define PGRP_SLWR_MASK (3 << PGRP_SLWR_SHIFT)
42#define PGRP_SLWF_SHIFT 30
43#define PGRP_SLWF_MASK (3 << PGRP_SLWF_SHIFT)
44
45/* Convenient macro for defining pin group properties */
46#define PIN(pg_name, vdd, f0, f1, f2, f3, iod) \
47 { \
48 .vddio = PMUX_VDDIO_ ## vdd, \
49 .funcs = { \
50 PMUX_FUNC_ ## f0, \
51 PMUX_FUNC_ ## f1, \
52 PMUX_FUNC_ ## f2, \
53 PMUX_FUNC_ ## f3, \
54 }, \
Tom Warren8981bff2014-01-24 12:46:15 -070055 .io = PMUX_PIN_ ## iod, \
56 }
57
58/* Input and output pins */
59#define PINI(pg_name, vdd, f0, f1, f2, f3) \
60 PIN(pg_name, vdd, f0, f1, f2, f3, INPUT)
61#define PINO(pg_name, vdd, f0, f1, f2, f3) \
62 PIN(pg_name, vdd, f0, f1, f2, f3, OUTPUT)
63
64/* A pin group number which is not used */
65#define PIN_RESERVED \
66 PIN(NONE, NONE, INVALID, INVALID, INVALID, INVALID, NONE)
67
68const struct tegra_pingroup_desc tegra_soc_pingroups[PINGRP_COUNT] = {
69 /* NAME VDD f0 f1 f2 f3 */
70 PINI(ULPI_DATA0, BB, SPI3, HSI, UARTA, ULPI),
71 PINI(ULPI_DATA1, BB, SPI3, HSI, UARTA, ULPI),
72 PINI(ULPI_DATA2, BB, SPI3, HSI, UARTA, ULPI),
73 PINI(ULPI_DATA3, BB, SPI3, HSI, UARTA, ULPI),
74 PINI(ULPI_DATA4, BB, SPI2, HSI, UARTA, ULPI),
75 PINI(ULPI_DATA5, BB, SPI2, HSI, UARTA, ULPI),
76 PINI(ULPI_DATA6, BB, SPI2, HSI, UARTA, ULPI),
77 PINI(ULPI_DATA7, BB, SPI2, HSI, UARTA, ULPI),
78 PINI(ULPI_CLK, BB, SPI1, SPI5, UARTD, ULPI),
79 PINI(ULPI_DIR, BB, SPI1, SPI5, UARTD, ULPI),
80 PINI(ULPI_NXT, BB, SPI1, SPI5, UARTD, ULPI),
81 PINI(ULPI_STP, BB, SPI1, SPI5, UARTD, ULPI),
82 PINI(DAP3_FS, BB, I2S2, SPI5, DISPA, DISPB),
83 PINI(DAP3_DIN, BB, I2S2, SPI5, DISPA, DISPB),
84 PINI(DAP3_DOUT, BB, I2S2, SPI5, DISPA, DISPB),
85 PINI(DAP3_SCLK, BB, I2S2, SPI5, DISPA, DISPB),
86 PINI(GPIO_PV0, BB, USB, RSVD2, RSVD3, RSVD4),
87 PINI(GPIO_PV1, BB, RSVD1, RSVD2, RSVD3, RSVD4),
88 PINI(SDMMC1_CLK, SDMMC1, SDMMC1, CLK12, RSVD3, RSVD4),
89 PINI(SDMMC1_CMD, SDMMC1, SDMMC1, SPDIF, SPI4, UARTA),
90 PINI(SDMMC1_DAT3, SDMMC1, SDMMC1, SPDIF, SPI4, UARTA),
91 PINI(SDMMC1_DAT2, SDMMC1, SDMMC1, PWM0, SPI4, UARTA),
92 PINI(SDMMC1_DAT1, SDMMC1, SDMMC1, PWM1, SPI4, UARTA),
93 PINI(SDMMC1_DAT0, SDMMC1, SDMMC1, RSVD2, SPI4, UARTA),
94 PIN_RESERVED, /* Reserved: 0x3060 - 0x3064 */
95 PIN_RESERVED,
96 PINI(CLK2_OUT, SDMMC1, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
97 PINI(CLK2_REQ, SDMMC1, DAP, RSVD2, RSVD3, RSVD4),
98 PIN_RESERVED, /* Reserved: 0x3070 - 0x310c */
99 PIN_RESERVED,
100 PIN_RESERVED,
101 PIN_RESERVED,
102 PIN_RESERVED,
103 PIN_RESERVED,
104 PIN_RESERVED,
105 PIN_RESERVED,
106 PIN_RESERVED,
107 PIN_RESERVED,
108 PIN_RESERVED,
109 PIN_RESERVED,
110 PIN_RESERVED,
111 PIN_RESERVED,
112 PIN_RESERVED,
113 PIN_RESERVED,
114 PIN_RESERVED,
115 PIN_RESERVED,
116 PIN_RESERVED,
117 PIN_RESERVED,
118 PIN_RESERVED,
119 PIN_RESERVED,
120 PIN_RESERVED,
121 PIN_RESERVED,
122 PIN_RESERVED,
123 PIN_RESERVED,
124 PIN_RESERVED,
125 PIN_RESERVED,
126 PIN_RESERVED,
127 PIN_RESERVED,
128 PIN_RESERVED,
129 PIN_RESERVED,
130 PIN_RESERVED,
131 PIN_RESERVED,
132 PIN_RESERVED,
133 PIN_RESERVED,
134 PIN_RESERVED,
135 PIN_RESERVED,
136 PIN_RESERVED,
137 PIN_RESERVED,
138 PINI(HDMI_INT, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
139 PINI(DDC_SCL, LCD, I2C4, RSVD2, RSVD3, RSVD4),
140 PINI(DDC_SDA, LCD, I2C4, RSVD2, RSVD3, RSVD4),
141 PIN_RESERVED, /* Reserved: 0x311c - 0x3160 */
142 PIN_RESERVED,
143 PIN_RESERVED,
144 PIN_RESERVED,
145 PIN_RESERVED,
146 PIN_RESERVED,
147 PIN_RESERVED,
148 PIN_RESERVED,
149 PIN_RESERVED,
150 PIN_RESERVED,
151 PIN_RESERVED,
152 PIN_RESERVED,
153 PIN_RESERVED,
154 PIN_RESERVED,
155 PIN_RESERVED,
156 PIN_RESERVED,
157 PIN_RESERVED,
158 PIN_RESERVED,
159 PINI(UART2_RXD, UART, UARTB, SPDIF, UARTA, SPI4),
160 PINI(UART2_TXD, UART, UARTB, SPDIF, UARTA, SPI4),
161 PINI(UART2_RTS_N, UART, UARTA, UARTB, RSVD3, SPI4),
162 PINI(UART2_CTS_N, UART, UARTA, UARTB, RSVD3, SPI4),
163 PINI(UART3_TXD, UART, UARTC, RSVD2, RSVD3, SPI4),
164 PINI(UART3_RXD, UART, UARTC, RSVD2, RSVD3, SPI4),
165 PINI(UART3_CTS_N, UART, UARTC, SDMMC1, DTV, SPI4),
166 PINI(UART3_RTS_N, UART, UARTC, PWM0, DTV, DISPA),
167 PINI(GPIO_PU0, UART, OWR, UARTA, RSVD3, RSVD4),
168 PINI(GPIO_PU1, UART, RSVD1, UARTA, RSVD3, RSVD4),
169 PINI(GPIO_PU2, UART, RSVD1, UARTA, RSVD3, RSVD4),
170 PINI(GPIO_PU3, UART, PWM0, UARTA, DISPA, DISPB),
171 PINI(GPIO_PU4, UART, PWM1, UARTA, DISPA, DISPB),
172 PINI(GPIO_PU5, UART, PWM2, UARTA, DISPA, DISPB),
173 PINI(GPIO_PU6, UART, PWM3, UARTA, USB, DISPB),
174 PINI(GEN1_I2C_SDA, UART, I2C1, RSVD2, RSVD3, RSVD4),
175 PINI(GEN1_I2C_SCL, UART, I2C1, RSVD2, RSVD3, RSVD4),
176 PINI(DAP4_FS, UART, I2S3, RSVD2, DTV, RSVD4),
177 PINI(DAP4_DIN, UART, I2S3, RSVD2, RSVD3, RSVD4),
178 PINI(DAP4_DOUT, UART, I2S3, RSVD2, DTV, RSVD4),
179 PINI(DAP4_SCLK, UART, I2S3, RSVD2, RSVD3, RSVD4),
180 PINI(CLK3_OUT, UART, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
181 PINI(CLK3_REQ, UART, DEV3, RSVD2, RSVD3, RSVD4),
182 PINI(GMI_WP_N, GMI, RSVD1, NAND, GMI, GMI_ALT),
183 PINI(GMI_IORDY, GMI, SDMMC2, RSVD2, GMI, TRACE),
184 PINI(GMI_WAIT, GMI, SPI4, NAND, GMI, DTV),
185 PINI(GMI_ADV_N, GMI, RSVD1, NAND, GMI, TRACE),
186 PINI(GMI_CLK, GMI, SDMMC2, NAND, GMI, TRACE),
187 PINI(GMI_CS0_N, GMI, RSVD1, NAND, GMI, USB),
188 PINI(GMI_CS1_N, GMI, RSVD1, NAND, GMI, SOC),
189 PINI(GMI_CS2_N, GMI, SDMMC2, NAND, GMI, TRACE),
190 PINI(GMI_CS3_N, GMI, SDMMC2, NAND, GMI, GMI_ALT),
191 PINI(GMI_CS4_N, GMI, USB, NAND, GMI, TRACE),
192 PINI(GMI_CS6_N, GMI, NAND, NAND_ALT, GMI, SPI4),
193 PINI(GMI_CS7_N, GMI, NAND, NAND_ALT, GMI, SDMMC2),
194 PINI(GMI_AD0, GMI, RSVD1, NAND, GMI, RSVD4),
195 PINI(GMI_AD1, GMI, RSVD1, NAND, GMI, RSVD4),
196 PINI(GMI_AD2, GMI, RSVD1, NAND, GMI, RSVD4),
197 PINI(GMI_AD3, GMI, RSVD1, NAND, GMI, RSVD4),
198 PINI(GMI_AD4, GMI, RSVD1, NAND, GMI, RSVD4),
199 PINI(GMI_AD5, GMI, RSVD1, NAND, GMI, SPI4),
200 PINI(GMI_AD6, GMI, RSVD1, NAND, GMI, SPI4),
201 PINI(GMI_AD7, GMI, RSVD1, NAND, GMI, SPI4),
202 PINI(GMI_AD8, GMI, PWM0, NAND, GMI, DTV),
203 PINI(GMI_AD9, GMI, PWM1, NAND, GMI, CLDVFS),
204 PINI(GMI_AD10, GMI, PWM2, NAND, GMI, CLDVFS),
205 PINI(GMI_AD11, GMI, PWM3, NAND, GMI, USB),
206 PINI(GMI_AD12, GMI, SDMMC2, NAND, GMI, RSVD4),
207 PINI(GMI_AD13, GMI, SDMMC2, NAND, GMI, RSVD4),
208 PINI(GMI_AD14, GMI, SDMMC2, NAND, GMI, DTV),
209 PINI(GMI_AD15, GMI, SDMMC2, NAND, GMI, DTV),
210 PINI(GMI_A16, GMI, UARTD, TRACE, GMI, GMI_ALT),
211 PINI(GMI_A17, GMI, UARTD, RSVD2, GMI, TRACE),
212 PINI(GMI_A18, GMI, UARTD, RSVD2, GMI, TRACE),
213 PINI(GMI_A19, GMI, UARTD, SPI4, GMI, TRACE),
214 PINI(GMI_WR_N, GMI, RSVD1, NAND, GMI, SPI4),
215 PINI(GMI_OE_N, GMI, RSVD1, NAND, GMI, SOC),
216 PINI(GMI_DQS, GMI, SDMMC2, NAND, GMI, TRACE),
217 PINI(GMI_RST_N, GMI, NAND, NAND_ALT, GMI, RSVD4),
218 PINI(GEN2_I2C_SCL, GMI, I2C2, RSVD2, GMI, RSVD4),
219 PINI(GEN2_I2C_SDA, GMI, I2C2, RSVD2, GMI, RSVD4),
220 PINI(SDMMC4_CLK, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
221 PINI(SDMMC4_CMD, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
222 PINI(SDMMC4_DAT0, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
223 PINI(SDMMC4_DAT1, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
224 PINI(SDMMC4_DAT2, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
225 PINI(SDMMC4_DAT3, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
226 PINI(SDMMC4_DAT4, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
227 PINI(SDMMC4_DAT5, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
228 PINI(SDMMC4_DAT6, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
229 PINI(SDMMC4_DAT7, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
230 PIN_RESERVED, /* Reserved: 0x3280 */
231 PINI(CAM_MCLK, CAM, VI, VI_ALT1, VI_ALT3, RSVD4),
232 PINI(GPIO_PCC1, CAM, I2S4, RSVD2, RSVD3, RSVD4),
233 PINI(GPIO_PBB0, CAM, I2S4, VI, VI_ALT1, VI_ALT3),
234 PINI(CAM_I2C_SCL, CAM, VGP1, I2C3, RSVD3, RSVD4),
235 PINI(CAM_I2C_SDA, CAM, VGP2, I2C3, RSVD3, RSVD4),
236 PINI(GPIO_PBB3, CAM, VGP3, DISPA, DISPB, RSVD4),
237 PINI(GPIO_PBB4, CAM, VGP4, DISPA, DISPB, RSVD4),
238 PINI(GPIO_PBB5, CAM, VGP5, DISPA, DISPB, RSVD4),
239 PINI(GPIO_PBB6, CAM, VGP6, DISPA, DISPB, RSVD4),
240 PINI(GPIO_PBB7, CAM, I2S4, RSVD2, RSVD3, RSVD4),
241 PINI(GPIO_PCC2, CAM, I2S4, RSVD2, RSVD3, RSVD4),
242 PINI(JTAG_RTCK, SYS, RTCK, RSVD2, RSVD3, RSVD4),
243 PINI(PWR_I2C_SCL, SYS, I2CPWR, RSVD2, RSVD3, RSVD4),
244 PINI(PWR_I2C_SDA, SYS, I2CPWR, RSVD2, RSVD3, RSVD4),
245 PINI(KB_ROW0, SYS, KBC, RSVD2, DTV, RSVD4),
246 PINI(KB_ROW1, SYS, KBC, RSVD2, DTV, RSVD4),
247 PINI(KB_ROW2, SYS, KBC, RSVD2, DTV, SOC),
248 PINI(KB_ROW3, SYS, KBC, DISPA, RSVD3, DISPB),
249 PINI(KB_ROW4, SYS, KBC, DISPA, SPI2, DISPB),
250 PINI(KB_ROW5, SYS, KBC, DISPA, SPI2, DISPB),
251 PINI(KB_ROW6, SYS, KBC, DISPA, RSVD3, DISPB),
252 PINI(KB_ROW7, SYS, KBC, RSVD2, CLDVFS, UARTA),
253 PINI(KB_ROW8, SYS, KBC, RSVD2, RSVD3, UARTA),
254 PINI(KB_ROW9, SYS, KBC, RSVD2, RSVD3, UARTA),
255 PINI(KB_ROW10, SYS, KBC, RSVD2, RSVD3, UARTA),
256 PIN_RESERVED, /* Reserved: 0x32e8 - 0x32f8 */
257 PIN_RESERVED,
258 PIN_RESERVED,
259 PIN_RESERVED,
260 PIN_RESERVED,
261 PINI(KB_COL0, SYS, KBC, USB, SPI2, EMC_DLL),
262 PINI(KB_COL1, SYS, KBC, RSVD2, SPI2, EMC_DLL),
263 PINI(KB_COL2, SYS, KBC, RSVD2, SPI2, RSVD4),
264 PINI(KB_COL3, SYS, KBC, DISPA, PWM2, UARTA),
265 PINI(KB_COL4, SYS, KBC, OWR, SDMMC3, UARTA),
266 PINI(KB_COL5, SYS, KBC, RSVD2, SDMMC1, RSVD4),
267 PINI(KB_COL6, SYS, KBC, RSVD2, SPI2, RSVD4),
268 PINI(KB_COL7, SYS, KBC, RSVD2, SPI2, RSVD4),
269 PINI(CLK_32K_OUT, SYS, BLINK, SOC, RSVD3, RSVD4),
270 PINI(SYS_CLK_REQ, SYS, SYSCLK, RSVD2, RSVD3, RSVD4),
271 PINI(CORE_PWR_REQ, SYS, PWRON, RSVD2, RSVD3, RSVD4),
272 PINI(CPU_PWR_REQ, SYS, CPU, RSVD2, RSVD3, RSVD4),
273 PINI(PWR_INT_N, SYS, PMI, RSVD2, RSVD3, RSVD4),
274 PINI(CLK_32K_IN, SYS, CLK, RSVD2, RSVD3, RSVD4),
275 PINI(OWR, SYS, OWR, RSVD2, RSVD3, RSVD4),
276 PINI(DAP1_FS, AUDIO, I2S0, HDA, GMI, RSVD4),
277 PINI(DAP1_DIN, AUDIO, I2S0, HDA, GMI, RSVD4),
278 PINI(DAP1_DOUT, AUDIO, I2S0, HDA, GMI, RSVD4),
279 PINI(DAP1_SCLK, AUDIO, I2S0, HDA, GMI, RSVD4),
280 PINI(CLK1_REQ, AUDIO, DAP, DAP1, RSVD3, RSVD4),
281 PINI(CLK1_OUT, AUDIO, EXTPERIPH1, DAP2, RSVD3, RSVD4),
282 PINI(SPDIF_IN, AUDIO, SPDIF, USB, RSVD3, RSVD4),
283 PINI(SPDIF_OUT, AUDIO, SPDIF, RSVD2, RSVD3, RSVD4),
284 PINI(DAP2_FS, AUDIO, I2S1, HDA, RSVD3, RSVD4),
285 PINI(DAP2_DIN, AUDIO, I2S1, HDA, RSVD3, RSVD4),
286 PINI(DAP2_DOUT, AUDIO, I2S1, HDA, RSVD3, RSVD4),
287 PINI(DAP2_SCLK, AUDIO, I2S1, HDA, RSVD3, RSVD4),
288 PINI(DVFS_PWM, AUDIO, SPI6, CLDVFS, RSVD3, RSVD4),
289 PINI(GPIO_X1_AUD, AUDIO, SPI6, RSVD2, RSVD3, RSVD4),
290 PINI(GPIO_X3_AUD, AUDIO, SPI6, SPI1, RSVD3, RSVD4),
291 PINI(DVFS_CLK, AUDIO, SPI6, CLDVFS, RSVD3, RSVD4),
292 PINI(GPIO_X4_AUD, AUDIO, RSVD1, SPI1, SPI2, DAP2),
293 PINI(GPIO_X5_AUD, AUDIO, RSVD1, SPI1, SPI2, RSVD4),
294 PINI(GPIO_X6_AUD, AUDIO, SPI6, SPI1, SPI2, RSVD4),
295 PINI(GPIO_X7_AUD, AUDIO, RSVD1, SPI1, SPI2, RSVD4),
296 PIN_RESERVED, /* Reserved: 0x3388 - 0x338c */
297 PIN_RESERVED,
298 PINI(SDMMC3_CLK, SDMMC3, SDMMC3, RSVD2, RSVD3, SPI3),
299 PINI(SDMMC3_CMD, SDMMC3, SDMMC3, PWM3, UARTA, SPI3),
300 PINI(SDMMC3_DAT0, SDMMC3, SDMMC3, RSVD2, RSVD3, SPI3),
301 PINI(SDMMC3_DAT1, SDMMC3, SDMMC3, PWM2, UARTA, SPI3),
302 PINI(SDMMC3_DAT2, SDMMC3, SDMMC3, PWM1, DISPA, SPI3),
303 PINI(SDMMC3_DAT3, SDMMC3, SDMMC3, PWM0, DISPB, SPI3),
304 PIN_RESERVED, /* Reserved: 0x33a8 - 0x33dc */
305 PIN_RESERVED,
306 PIN_RESERVED,
307 PIN_RESERVED,
308 PIN_RESERVED,
309 PIN_RESERVED,
310 PIN_RESERVED,
311 PIN_RESERVED,
312 PIN_RESERVED,
313 PIN_RESERVED,
314 PIN_RESERVED,
315 PIN_RESERVED,
316 PIN_RESERVED,
317 PIN_RESERVED,
318 PINI(HDMI_CEC, SYS, CEC, SDMMC3, RSVD3, SOC),
319 PINI(SDMMC1_WP_N, SDMMC1, SDMMC1, CLK12, SPI4, UARTA),
320 PINI(SDMMC3_CD_N, SYS, SDMMC3, OWR, RSVD3, RSVD4),
321 PINI(GPIO_W2_AUD, AUDIO, SPI6, RSVD2, SPI2, I2C1),
322 PINI(GPIO_W3_AUD, AUDIO, SPI6, SPI1, SPI2, I2C1),
323 PINI(USB_VBUS_EN0, LCD, USB, RSVD2, RSVD3, RSVD4),
324 PINI(USB_VBUS_EN1, LCD, USB, RSVD2, RSVD3, RSVD4),
325 PINI(SDMMC3_CLK_LB_IN, SDMMC3, SDMMC3, RSVD2, RSVD3, RSVD4),
326 PINI(SDMMC3_CLK_LB_OUT, SDMMC3, SDMMC3, RSVD2, RSVD3, RSVD4),
327 PIN_RESERVED, /* Reserved: 0x3404 */
328 PINO(RESET_OUT_N, SYS, RSVD1, RSVD2, RSVD3, RESET_OUT_N),
329};
330
331void pinmux_set_tristate(enum pmux_pingrp pin, int enable)
332{
333 struct pmux_tri_ctlr *pmt =
334 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
335 u32 *tri = &pmt->pmt_ctl[pin];
336 u32 reg;
337
338 /* Error check on pin */
339 assert(pmux_pingrp_isvalid(pin));
340
341 reg = readl(tri);
342 if (enable)
343 reg |= PMUX_TRISTATE_MASK;
344 else
345 reg &= ~PMUX_TRISTATE_MASK;
346 writel(reg, tri);
347}
348
349void pinmux_tristate_enable(enum pmux_pingrp pin)
350{
351 pinmux_set_tristate(pin, 1);
352}
353
354void pinmux_tristate_disable(enum pmux_pingrp pin)
355{
356 pinmux_set_tristate(pin, 0);
357}
358
359void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd)
360{
361 struct pmux_tri_ctlr *pmt =
362 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
363 u32 *pull = &pmt->pmt_ctl[pin];
364 u32 reg;
365
366 /* Error check on pin and pupd */
367 assert(pmux_pingrp_isvalid(pin));
368 assert(pmux_pin_pupd_isvalid(pupd));
369
370 reg = readl(pull);
371 reg &= ~(0x3 << PMUX_PULL_SHIFT);
372 reg |= (pupd << PMUX_PULL_SHIFT);
373 writel(reg, pull);
374}
375
376void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func)
377{
378 struct pmux_tri_ctlr *pmt =
379 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
380 u32 *muxctl = &pmt->pmt_ctl[pin];
381 int i, mux = -1;
382 u32 reg;
383
384 /* Error check on pin and func */
385 assert(pmux_pingrp_isvalid(pin));
386 assert(pmux_func_isvalid(func));
387
Tom Warren8981bff2014-01-24 12:46:15 -0700388 if (func & PMUX_FUNC_RSVD1) {
389 mux = func & 0x3;
390 } else {
391 /* Search for the appropriate function */
392 for (i = 0; i < 4; i++) {
393 if (tegra_soc_pingroups[pin].funcs[i] == func) {
394 mux = i;
395 break;
396 }
397 }
398 }
399 assert(mux != -1);
400
401 reg = readl(muxctl);
402 reg &= ~(0x3 << PMUX_MUXCTL_SHIFT);
403 reg |= (mux << PMUX_MUXCTL_SHIFT);
404 writel(reg, muxctl);
405}
406
407void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io)
408{
409 struct pmux_tri_ctlr *pmt =
410 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
411 u32 *pin_io = &pmt->pmt_ctl[pin];
412 u32 reg;
413
414 /* Error check on pin and io */
415 assert(pmux_pingrp_isvalid(pin));
416 assert(pmux_pin_io_isvalid(io));
417
418 reg = readl(pin_io);
419 reg &= ~(0x1 << PMUX_IO_SHIFT);
420 reg |= (io & 0x1) << PMUX_IO_SHIFT;
421 writel(reg, pin_io);
422}
423
424static int pinmux_set_lock(enum pmux_pingrp pin, enum pmux_pin_lock lock)
425{
426 struct pmux_tri_ctlr *pmt =
427 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
428 u32 *pin_lock = &pmt->pmt_ctl[pin];
429 u32 reg;
430
431 /* Error check on pin and lock */
432 assert(pmux_pingrp_isvalid(pin));
433 assert(pmux_pin_lock_isvalid(lock));
434
435 if (lock == PMUX_PIN_LOCK_DEFAULT)
436 return 0;
437
438 reg = readl(pin_lock);
439 reg &= ~(0x1 << PMUX_LOCK_SHIFT);
440 if (lock == PMUX_PIN_LOCK_ENABLE) {
441 reg |= (0x1 << PMUX_LOCK_SHIFT);
442 } else {
443 /* lock == DISABLE, which isn't possible */
444 printf("%s: Warning: lock == %d, DISABLE is not allowed!\n",
445 __func__, lock);
446 }
447 writel(reg, pin_lock);
448
449 return 0;
450}
451
452static int pinmux_set_od(enum pmux_pingrp pin, enum pmux_pin_od od)
453{
454 struct pmux_tri_ctlr *pmt =
455 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
456 u32 *pin_od = &pmt->pmt_ctl[pin];
457 u32 reg;
458
459 /* Error check on pin and od */
460 assert(pmux_pingrp_isvalid(pin));
461 assert(pmux_pin_od_isvalid(od));
462
463 if (od == PMUX_PIN_OD_DEFAULT)
464 return 0;
465
466 reg = readl(pin_od);
467 reg &= ~(0x1 << PMUX_OD_SHIFT);
468 if (od == PMUX_PIN_OD_ENABLE)
469 reg |= (0x1 << PMUX_OD_SHIFT);
470 writel(reg, pin_od);
471
472 return 0;
473}
474
475static int pinmux_set_ioreset(enum pmux_pingrp pin,
476 enum pmux_pin_ioreset ioreset)
477{
478 struct pmux_tri_ctlr *pmt =
479 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
480 u32 *pin_ioreset = &pmt->pmt_ctl[pin];
481 u32 reg;
482
483 /* Error check on pin and ioreset */
484 assert(pmux_pingrp_isvalid(pin));
485 assert(pmux_pin_ioreset_isvalid(ioreset));
486
487 if (ioreset == PMUX_PIN_IO_RESET_DEFAULT)
488 return 0;
489
490 reg = readl(pin_ioreset);
491 reg &= ~(0x1 << PMUX_IO_RESET_SHIFT);
492 if (ioreset == PMUX_PIN_IO_RESET_ENABLE)
493 reg |= (0x1 << PMUX_IO_RESET_SHIFT);
494 writel(reg, pin_ioreset);
495
496 return 0;
497}
498
499static int pinmux_set_rcv_sel(enum pmux_pingrp pin,
500 enum pmux_pin_rcv_sel rcv_sel)
501{
502 struct pmux_tri_ctlr *pmt =
503 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
504 u32 *pin_rcv_sel = &pmt->pmt_ctl[pin];
505 u32 reg;
506
507 /* Error check on pin and rcv_sel */
508 assert(pmux_pingrp_isvalid(pin));
509 assert(pmux_pin_rcv_sel_isvalid(rcv_sel));
510
511 if (rcv_sel == PMUX_PIN_RCV_SEL_DEFAULT)
512 return 0;
513
514 reg = readl(pin_rcv_sel);
515 reg &= ~(0x1 << PMUX_RCV_SEL_SHIFT);
516 if (rcv_sel == PMUX_PIN_RCV_SEL_HIGH)
517 reg |= (0x1 << PMUX_RCV_SEL_SHIFT);
518 writel(reg, pin_rcv_sel);
519
520 return 0;
521}
522
523void pinmux_config_pingroup(struct pingroup_config *config)
524{
525 enum pmux_pingrp pin = config->pingroup;
526
527 pinmux_set_func(pin, config->func);
528 pinmux_set_pullupdown(pin, config->pull);
529 pinmux_set_tristate(pin, config->tristate);
530 pinmux_set_io(pin, config->io);
531 pinmux_set_lock(pin, config->lock);
532 pinmux_set_od(pin, config->od);
533 pinmux_set_ioreset(pin, config->ioreset);
534 pinmux_set_rcv_sel(pin, config->rcv_sel);
535}
536
537void pinmux_config_table(struct pingroup_config *config, int len)
538{
539 int i;
540
541 for (i = 0; i < len; i++)
542 pinmux_config_pingroup(&config[i]);
543}
544
545static int padgrp_set_drvup_slwf(enum pdrive_pingrp pad, int slwf)
546{
547 struct pmux_tri_ctlr *pmt =
548 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
549 u32 *pad_slwf = &pmt->pmt_drive[pad];
550 u32 reg;
551
552 /* Error check on pad and slwf */
553 assert(pmux_padgrp_isvalid(pad));
554 assert(pmux_pad_slw_isvalid(slwf));
555
556 /* NONE means unspecified/do not change/use POR value */
557 if (slwf == PGRP_SLWF_NONE)
558 return 0;
559
560 reg = readl(pad_slwf);
561 reg &= ~PGRP_SLWF_MASK;
562 reg |= (slwf << PGRP_SLWF_SHIFT);
563 writel(reg, pad_slwf);
564
565 return 0;
566}
567
568static int padgrp_set_drvdn_slwr(enum pdrive_pingrp pad, int slwr)
569{
570 struct pmux_tri_ctlr *pmt =
571 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
572 u32 *pad_slwr = &pmt->pmt_drive[pad];
573 u32 reg;
574
575 /* Error check on pad and slwr */
576 assert(pmux_padgrp_isvalid(pad));
577 assert(pmux_pad_slw_isvalid(slwr));
578
579 /* NONE means unspecified/do not change/use POR value */
580 if (slwr == PGRP_SLWR_NONE)
581 return 0;
582
583 reg = readl(pad_slwr);
584 reg &= ~PGRP_SLWR_MASK;
585 reg |= (slwr << PGRP_SLWR_SHIFT);
586 writel(reg, pad_slwr);
587
588 return 0;
589}
590
591static int padgrp_set_drvup(enum pdrive_pingrp pad, int drvup)
592{
593 struct pmux_tri_ctlr *pmt =
594 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
595 u32 *pad_drvup = &pmt->pmt_drive[pad];
596 u32 reg;
597
598 /* Error check on pad and drvup */
599 assert(pmux_padgrp_isvalid(pad));
600 assert(pmux_pad_drv_isvalid(drvup));
601
602 /* NONE means unspecified/do not change/use POR value */
603 if (drvup == PGRP_DRVUP_NONE)
604 return 0;
605
606 reg = readl(pad_drvup);
607 reg &= ~PGRP_DRVUP_MASK;
608 reg |= (drvup << PGRP_DRVUP_SHIFT);
609 writel(reg, pad_drvup);
610
611 return 0;
612}
613
614static int padgrp_set_drvdn(enum pdrive_pingrp pad, int drvdn)
615{
616 struct pmux_tri_ctlr *pmt =
617 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
618 u32 *pad_drvdn = &pmt->pmt_drive[pad];
619 u32 reg;
620
621 /* Error check on pad and drvdn */
622 assert(pmux_padgrp_isvalid(pad));
623 assert(pmux_pad_drv_isvalid(drvdn));
624
625 /* NONE means unspecified/do not change/use POR value */
626 if (drvdn == PGRP_DRVDN_NONE)
627 return 0;
628
629 reg = readl(pad_drvdn);
630 reg &= ~PGRP_DRVDN_MASK;
631 reg |= (drvdn << PGRP_DRVDN_SHIFT);
632 writel(reg, pad_drvdn);
633
634 return 0;
635}
636
637static int padgrp_set_lpmd(enum pdrive_pingrp pad, enum pgrp_lpmd lpmd)
638{
639 struct pmux_tri_ctlr *pmt =
640 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
641 u32 *pad_lpmd = &pmt->pmt_drive[pad];
642 u32 reg;
643
644 /* Error check pad and lpmd value */
645 assert(pmux_padgrp_isvalid(pad));
646 assert(pmux_pad_lpmd_isvalid(lpmd));
647
648 /* NONE means unspecified/do not change/use POR value */
649 if (lpmd == PGRP_LPMD_NONE)
650 return 0;
651
652 reg = readl(pad_lpmd);
653 reg &= ~PGRP_LPMD_MASK;
654 reg |= (lpmd << PGRP_LPMD_SHIFT);
655 writel(reg, pad_lpmd);
656
657 return 0;
658}
659
660static int padgrp_set_schmt(enum pdrive_pingrp pad, enum pgrp_schmt schmt)
661{
662 struct pmux_tri_ctlr *pmt =
663 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
664 u32 *pad_schmt = &pmt->pmt_drive[pad];
665 u32 reg;
666
667 /* Error check pad */
668 assert(pmux_padgrp_isvalid(pad));
669
670 /* NONE means unspecified/do not change/use POR value */
671 if (schmt == PGRP_SCHMT_NONE)
672 return 0;
673
674 reg = readl(pad_schmt);
675 reg &= ~(1 << PGRP_SCHMT_SHIFT);
676 if (schmt == PGRP_SCHMT_ENABLE)
677 reg |= (0x1 << PGRP_SCHMT_SHIFT);
678 writel(reg, pad_schmt);
679
680 return 0;
681}
682static int padgrp_set_hsm(enum pdrive_pingrp pad, enum pgrp_hsm hsm)
683{
684 struct pmux_tri_ctlr *pmt =
685 (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
686 u32 *pad_hsm = &pmt->pmt_drive[pad];
687 u32 reg;
688
689 /* Error check pad */
690 assert(pmux_padgrp_isvalid(pad));
691
692 /* NONE means unspecified/do not change/use POR value */
693 if (hsm == PGRP_HSM_NONE)
694 return 0;
695
696 reg = readl(pad_hsm);
697 reg &= ~(1 << PGRP_HSM_SHIFT);
698 if (hsm == PGRP_HSM_ENABLE)
699 reg |= (0x1 << PGRP_HSM_SHIFT);
700 writel(reg, pad_hsm);
701
702 return 0;
703}
704
705void padctrl_config_pingroup(struct padctrl_config *config)
706{
707 enum pdrive_pingrp pad = config->padgrp;
708
709 padgrp_set_drvup_slwf(pad, config->slwf);
710 padgrp_set_drvdn_slwr(pad, config->slwr);
711 padgrp_set_drvup(pad, config->drvup);
712 padgrp_set_drvdn(pad, config->drvdn);
713 padgrp_set_lpmd(pad, config->lpmd);
714 padgrp_set_schmt(pad, config->schmt);
715 padgrp_set_hsm(pad, config->hsm);
716}
717
718void padgrp_config_table(struct padctrl_config *config, int len)
719{
720 int i;
721
722 for (i = 0; i < len; i++)
723 padctrl_config_pingroup(&config[i]);
724}