coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
gpio.c
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #include <baseboard/gpio.h>
4 #include <baseboard/variants.h>
5 #include <commonlib/helpers.h>
6 
7 /* Pad configuration in ramstage */
8 static const struct pad_config override_gpio_table[] = {
9  /* A7 : I2S2_SCLK ==> EN_PP3300_TRACKPAD */
10  PAD_CFG_GPO(GPP_A7, 1, DEEP),
11  /* A8 : I2S2_SFRM ==> EN_PP3300_TOUCHSCREEN */
12  PAD_CFG_GPO(GPP_A8, 0, DEEP),
13  /* A10 : I2S2_RXD ==> EN_SPKR_PA */
14  PAD_CFG_GPO(GPP_A10, 1, DEEP),
15  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
16  PAD_CFG_GPO(GPP_A13, 1, DEEP),
17  /* A16 : USB_OC3# ==> USB_C0_OC_ODL */
18  PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1),
19  /* A18 : DDSP_HPDB ==> HDMI_HPD */
20  PAD_CFG_NF(GPP_A18, NONE, DEEP, NF1),
21  /* A19 : DDSP_HPD1 ==> USB_C0_DP_HPD */
22  PAD_CFG_NF(GPP_A19, NONE, DEEP, NF1),
23  /* A20 : DDSP_HPD2 ==> USB_C1_DP_HPD */
24  PAD_CFG_NF(GPP_A20, NONE, DEEP, NF1),
25  /* A21 : DDPC_CTRCLK ==> EN_FP_PWR */
26  PAD_CFG_GPO(GPP_A21, 1, DEEP),
27  /* A22 : DDPC_CTRLDATA ==> EN_HDMI_PWR */
28  PAD_CFG_GPO(GPP_A22, 1, DEEP),
29  /* A23 : I2S1_SCLK ==> I2S1_SPKR_SCLK */
30  PAD_CFG_NF(GPP_A23, NONE, DEEP, NF1),
31 
32  /* B3 : CPU_GP2 ==> PEN_DET_ODL */
34  /* B5 : ISH_I2C0_CVF_SDA */
35  PAD_CFG_NF(GPP_B5, NONE, DEEP, NF1),
36  /* B6 : ISH_I2C0_CVF_SCL */
37  PAD_CFG_NF(GPP_B6, NONE, DEEP, NF1),
38  /* B7 : ISH_12C1_SDA ==> ISH_I2C0_SENSOR_SDA */
39  PAD_CFG_NF(GPP_B7, NONE, DEEP, NF1),
40  /* B8 : ISH_I2C1_SCL ==> ISH_I2C0_SENSOR_SCL */
41  PAD_CFG_NF(GPP_B8, NONE, DEEP, NF1),
42  /* B9 : I2C5_SDA ==> PCH_I2C5_TRACKPAD_SDA */
43  PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1),
44  /* B10 : I2C5_SCL ==> PCH_I2C5_TRACKPAD_SCL */
45  PAD_CFG_NF(GPP_B10, NONE, DEEP, NF1),
46  /* B19 : GSPI1_CS0# ==> PCH_GSPI1_FPMCU_CS_L */
47  PAD_CFG_NF(GPP_B19, NONE, DEEP, NF1),
48  /* B20 : GSPI1_CLK ==> PCH_GSPI1_FPMCU_CLK */
49  PAD_CFG_NF(GPP_B20, NONE, DEEP, NF1),
50  /* B21 : GSPI1_MISO ==> PCH_GSPI1_FPMCU_MISO */
51  PAD_CFG_NF(GPP_B21, NONE, DEEP, NF1),
52 
53  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
54  PAD_CFG_GPO(GPP_C0, 1, DEEP),
55  /* C7 : SML1DATA ==> EN_USI_CHARGE */
56  PAD_CFG_GPO(GPP_C7, 1, DEEP),
57  /* C10 : UART0_RTS# ==> USI_RST_L */
58  PAD_CFG_GPO(GPP_C10, 0, DEEP),
59  /* C13 : UART1_TXD ==> EN_PP5000_TRACKPAD */
60  PAD_CFG_GPO(GPP_C13, 1, DEEP),
61  /* C16 : I2C0_SDA ==> PCH_I2C0_1V8_AUDIO_SDA */
62  PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
63  /* C17 : I2C0_SCL ==> PCH_I2C0_1V8_AUDIO_SCL */
64  PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
65  /* C18 : I2C1_SDA ==> PCH_I2C1_TOUCH_USI_SDA */
66  PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
67  /* C19 : I2C1_SCL ==> PCH_I2C1_TOUCH_USI_SCL */
68  PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
69  /* C20 : UART2_RXD ==> FPMCU_INT_L */
70  /* APIC interrupt conflict, so used GPI_INT; see b/147500717 */
71  PAD_CFG_GPI_INT(GPP_C20, NONE, PLTRST, LEVEL),
72  /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
73  PAD_CFG_GPO(GPP_C22, 0, DEEP),
74  /* C23 : UART2_CTS# ==> FPMCU_RST_ODL */
75  PAD_CFG_GPO(GPP_C23, 1, DEEP),
76 
77  /* D1 : ISH_GP1 ==> ISH_ACCEL_INT_L */
78  PAD_CFG_GPI(GPP_D1, NONE, DEEP),
79  /* D2 : ISH_GP2 ==> ISH_LID_OPEN */
80  PAD_CFG_GPI(GPP_D2, NONE, DEEP),
81  /* D3 : ISH_GP3 ==> ISH_ALS_RGB_INT_L */
82  PAD_CFG_GPI(GPP_D3, NONE, DEEP),
83  /* D4 : IMGCLKOUT0 ==> FCAM_RST_L */
84  PAD_CFG_GPO(GPP_D4, 0, PLTRST),
85  /* D6 : SRCCLKREQ1# ==> WLAN_CLKREQ_ODL */
86  PAD_CFG_NF(GPP_D6, NONE, DEEP, NF1),
87  /* D8 : SRCCLKREQ3# ==> SD_CLKREQ_ODL */
88  PAD_CFG_NF(GPP_D8, NONE, DEEP, NF1),
89  /* D13 : ISH_UART0_RXD ==> UART_ISH_RX_DEBUG_TX */
90  PAD_CFG_NF(GPP_D13, NONE, DEEP, NF1),
91  /* D14 : ISH_UART0_TXD ==> UART_ISH_TX_DEBUG_RX */
92  PAD_CFG_NF(GPP_D14, NONE, DEEP, NF1),
93  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
94  PAD_NC(GPP_D16, UP_20K),
95  /* D17 : ISH_GP4 ==> EN_FCAM_PWR */
96  PAD_CFG_GPO(GPP_D17, 0, DEEP),
97  /* D18 : ISH_GP5 ==> FCAM_SNRPWR_EN */
98  PAD_CFG_GPO(GPP_D18, 0, DEEP),
99 
100  /* E1 : SPI1_IO2 ==> PEN_DET_ODL */
101  PAD_CFG_GPI_SCI(GPP_E1, NONE, DEEP, EDGE_SINGLE, NONE),
102  /* E2 : SPI1_IO3 ==> WLAN_PCIE_WAKE_ODL */
103  PAD_CFG_GPI(GPP_E2, NONE, DEEP),
104  /* E3 : CPU_GP0 ==> USI_REPORT_EN */
105  PAD_CFG_GPO(GPP_E3, 0, DEEP),
106  /* E7 : CPU_GP1 ==> USI_INT */
107  PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST, LEVEL, NONE),
108  /* E8 : SPI1_CS1# ==> SLP_S0IX */
109  PAD_CFG_GPO(GPP_E8, 0, DEEP),
110  /* E11 : SPI1_CLK ==> SD_PE_WAKE_ODL */
111  PAD_CFG_GPI(GPP_E11, NONE, DEEP),
112  /* E15 : ISH_GP6 ==> TRACKPAD_INT_ODL */
113  PAD_CFG_GPI_IRQ_WAKE(GPP_E15, NONE, DEEP, LEVEL, INVERT),
114  /* E16 : ISH_GP7 ==> WWAN_SIM1_DET_OD */
115  PAD_CFG_GPI(GPP_E16, NONE, DEEP),
116  /* E17 : THC0_SPI1_INT# ==> WWAN_PERST_L */
117  PAD_CFG_GPO(GPP_E17, 1, DEEP),
118 
119  /* F6 : CNV_PA_BLANKING ==> WWAN_WLAN_COEX3 */
120  PAD_CFG_NF(GPP_F6, NONE, DEEP, NF1),
121  /* F8 : I2S_MCLK2_INOUT ==> HP_INT_L */
122  PAD_CFG_GPI_INT(GPP_F8, NONE, PLTRST, EDGE_BOTH),
123  /* F12 : GSXDOUT ==> WWAN_RST_ODL */
124  PAD_CFG_GPI(GPP_F12, NONE, DEEP),
125  /* F13 : GSXDOUT ==> WiFi_DISABLE_L */
126  PAD_CFG_GPO(GPP_F13, 1, DEEP),
127  /* F14 : GSXDIN ==> SAR0_INT_L */
128  PAD_CFG_GPI_APIC(GPP_F14, NONE, PLTRST, LEVEL, NONE),
129  /* F15 : GSXSRESET# ==> RCAM_RST_L */
130  PAD_CFG_GPO(GPP_F15, 1, DEEP),
131  /* F16 : GSXCLK ==> WWAN_DPR_SAR_ODL */
132  PAD_CFG_GPO(GPP_F16, 1, DEEP),
133  /* F17 : WWAN_RF_DISABLE_ODL */
134  PAD_CFG_GPO(GPP_F17, 1, DEEP),
135  /* F18 : THC1_SPI2_INT# ==> WWAN_PCIE_WAKE_ODL */
136  PAD_CFG_GPI_SCI_LOW(GPP_F18, NONE, DEEP, EDGE_SINGLE),
137  /* F19 : SRCCLKREQ6# ==> WLAN_INT_L */
138  PAD_CFG_GPI_SCI_LOW(GPP_F19, NONE, DEEP, EDGE_SINGLE),
139 
140  /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */
141  PAD_CFG_GPO(GPP_H3, 1, DEEP),
142  /* H6 : I2C3_SDA ==> PCH_I2C3_CAM_SDA */
143  PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1),
144  /* H7 : I2C3_SCL ==> PCH_I2C3_CAM_SCL */
145  PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1),
146  /* H8 : I2C4_SDA ==> WWAN_WLAN_COEX1 */
147  PAD_CFG_NF(GPP_H8, NONE, DEEP, NF2),
148  /* H9 : I2C4_SCL ==> WWAN_WLAN_COEX2 */
149  PAD_CFG_NF(GPP_H9, NONE, DEEP, NF2),
150  /* H11 : SRCCLKREQ5# ==> WLAN_PERST_L */
151  PAD_CFG_GPO(GPP_H11, 1, DEEP),
152  /* H12 : M2_SKT2_CFG0 ==> WWAN_CONFIG0 */
153  PAD_CFG_GPI(GPP_H12, NONE, DEEP),
154  /* H13 : M2_SKT2_CFG1 # ==> WWAN_CONFIG1 */
155  PAD_CFG_GPI(GPP_H13, NONE, DEEP),
156  /* H14 : M2_SKT2_CFG2 # ==> RCAM_SNRPWR_EN */
157  PAD_CFG_GPO(GPP_H14, 0, DEEP),
158  /* H15 : M2_SKT2_CFG3 # ==> WWAN_CONFIG3 */
159  PAD_CFG_GPI(GPP_H15, NONE, DEEP),
160  /* H16 : DDPB_CTRLCLK ==> DDPB_HDMI_CTRLCLK */
161  PAD_CFG_NF(GPP_H16, NONE, DEEP, NF1),
162  /* H17 : DDPB_CTRLDATA ==> DDPB_HDMI_CTRLDATA */
163  PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1),
164  /* H19 : TIME_SYNC0 ==> USER_PRES_FP_ODL */
165  PAD_CFG_GPI(GPP_H19, NONE, DEEP),
166  /* H20 : IMGCLKOUT1 ==> EN_MIPI_RCAM_PWR */
167  PAD_CFG_GPO(GPP_H20, 0, DEEP),
168  /* H21 : IMGCLKOUT2 ==> CAM_MCLK1 */
169  PAD_CFG_NF(GPP_H21, NONE, DEEP, NF1),
170  /* H22 : IMGCLKOUT3 ==> CAM_MCLK0 */
171  PAD_CFG_NF(GPP_H22, NONE, DEEP, NF1),
172 
173  /* R0 : HDA_BCLK ==> I2S0_HP_SCLK */
174  PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),
175  /* R1 : HDA_SYNC ==> I2S0_HP_SFRM */
176  PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),
177  /* R2 : HDA_SDO ==> I2S0_PCH_TX_HP_RX_STRAP */
178  PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),
179  /* R3 : HDA_SDIO ==> I2S0_PCH_RX_HP_TX */
180  PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),
181  /* R5 : HDA_SDI1 ==> I2S1_PCH_RX_SPKR_TX */
182  PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2),
183  /* R6 : I2S1_TXD ==> I2S1_PCH_RX_SPKR_RX */
184  PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),
185  /* R7 : I2S1_SFRM ==> I2S1_SPKR_SFRM */
186  PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),
187 
188  /* S0 : SNDW0_CLK ==> SNDW0_HP_CLK */
189  PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1),
190  /* S1 : SNDW0_DATA ==> SNDW0_HP_DATA */
191  PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),
192  /* S2 : SNDW1_CLK ==> SNDW1_SPKR_CLK */
193  PAD_CFG_NF(GPP_S2, NONE, DEEP, NF1),
194  /* S3 : SNDW1_DATA ==> SNDW1_SPKR_DATA */
195  PAD_CFG_NF(GPP_S3, NONE, DEEP, NF1),
196  /* S4 : SNDW2_CLK ==> DMIC_CLK1 */
197  PAD_CFG_NF(GPP_S4, NONE, DEEP, NF2),
198  /* S5 : SNDW2_DATA ==> DMIC_DATA1 */
199  PAD_CFG_NF(GPP_S5, NONE, DEEP, NF2),
200  /* S6 : SNDW3_CLK ==> DMIC_CLK0 */
201  PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),
202  /* S7 : SNDW3_DATA ==> DMIC_DATA0 */
203  PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),
204 
205  /* GPD9: SLP_WLAN# ==> SLP_WLAN_L */
206  PAD_CFG_NF(GPD9, NONE, DEEP, NF1),
207 };
208 
209 /* Early pad configuration in bootblock */
210 static const struct pad_config early_gpio_table[] = {
211  /* C8 : UART0 RX */
212  PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1),
213  /* C9 : UART0 TX */
214  PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1),
215 
216  /* A12 : SATAXPCIE1 ==> M2_SSD_PEDET */
217  PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
218  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
219  /* assert reset on reboot */
220  PAD_CFG_GPO(GPP_A13, 0, DEEP),
221  /* A17 : DDSP_HPDC ==> MEM_CH_SEL */
222  PAD_CFG_GPI(GPP_A17, NONE, DEEP),
223 
224  /* B11 : PMCALERT# ==> PCH_WP_OD */
226  /* B15 : GSPI0_CS0# ==> PCH_GSPI0_H1_TPM_CS_L */
227  PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
228  /* B16 : GSPI0_CLK ==> PCH_GSPI0_H1_TPM_CLK */
229  PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
230  /* B17 : GSPI0_MISO ==> PCH_GSPIO_H1_TPM_MISO */
231  PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
232  /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
233  PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
234 
235  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
236  PAD_CFG_GPO(GPP_C0, 1, DEEP),
237  /* C21 : UART2_TXD ==> H1_PCH_INT_ODL */
238  PAD_CFG_GPI_APIC(GPP_C21, NONE, PLTRST, LEVEL, INVERT),
239  /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
240  PAD_CFG_GPO(GPP_C22, 0, DEEP),
241 
242  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
243  PAD_NC(GPP_D16, UP_20K),
244 
245  /* F11 : THC1_SPI2_CLK ==> EN_PP3300_WWAN */
246  PAD_CFG_GPO(GPP_F11, 1, DEEP),
247  /* F12 : GSXDOUT ==> WWAN_RST_ODL
248  To meet timing constrains - drive reset low.
249  Deasserted in ramstage. */
250  PAD_CFG_GPO(GPP_F12, 0, DEEP),
251 
252  /* H11 : SRCCLKREQ5# ==> WLAN_PERST_L */
253  PAD_CFG_GPO(GPP_H11, 1, DEEP),
254 };
255 
256 const struct pad_config *variant_override_gpio_table(size_t *num)
257 {
259  return override_gpio_table;
260 }
261 
262 const struct pad_config *variant_early_gpio_table(size_t *num)
263 {
265  return early_gpio_table;
266 }
#define GPP_H22
#define GPP_H20
#define GPP_B6
Definition: gpio_soc_defs.h:59
#define GPP_H19
#define GPP_D1
#define GPD9
#define GPP_D8
#define GPP_D17
#define GPP_E3
#define GPP_A18
#define GPP_F12
#define GPP_F16
#define GPP_S4
#define GPP_H15
#define GPP_H16
#define GPP_R7
#define GPP_F6
#define GPP_D14
#define GPP_S0
#define GPP_H11
#define GPP_H17
#define GPP_S5
#define GPP_B16
Definition: gpio_soc_defs.h:69
#define GPP_R3
#define GPP_D6
#define GPP_A19
#define GPP_D2
#define GPP_H12
#define GPP_H6
#define GPP_C9
#define GPP_C22
#define GPP_R6
#define GPP_H9
#define GPP_R0
#define GPP_B15
Definition: gpio_soc_defs.h:68
#define GPP_H21
#define GPP_C23
#define GPP_H13
#define GPP_C8
#define GPP_S7
#define GPP_H7
#define GPP_H14
#define GPP_A23
#define GPP_C18
#define GPP_S3
#define GPP_C13
#define GPP_C17
#define GPP_E8
#define GPP_A7
#define GPP_B8
Definition: gpio_soc_defs.h:61
#define GPP_S1
#define GPP_C20
#define GPP_B20
Definition: gpio_soc_defs.h:73
#define GPP_A20
#define GPP_A16
#define GPP_F17
#define GPP_A12
#define GPP_F15
#define GPP_D4
#define GPP_C10
#define GPP_E7
#define GPP_C16
#define GPP_F13
#define GPP_D18
#define GPP_S6
#define GPP_B19
Definition: gpio_soc_defs.h:72
#define GPP_E17
#define GPP_E2
#define GPP_C21
#define GPP_R2
#define GPP_B9
Definition: gpio_soc_defs.h:62
#define GPP_F14
#define GPP_H3
#define GPP_A10
#define GPP_A8
#define GPP_B11
Definition: gpio_soc_defs.h:64
#define GPP_D13
#define GPP_B18
Definition: gpio_soc_defs.h:71
#define GPP_B5
Definition: gpio_soc_defs.h:58
#define GPP_R5
#define GPP_F8
#define GPP_C19
#define GPP_A13
#define GPP_S2
#define GPP_A21
#define GPP_E15
#define GPP_B10
Definition: gpio_soc_defs.h:63
#define GPP_E16
#define GPP_E11
#define GPP_F18
#define GPP_B3
Definition: gpio_soc_defs.h:56
#define GPP_A22
#define GPP_F11
#define GPP_B21
Definition: gpio_soc_defs.h:74
#define GPP_D16
#define GPP_A17
#define GPP_B17
Definition: gpio_soc_defs.h:70
#define GPP_C0
#define GPP_E1
#define GPP_H8
#define GPP_F19
#define GPP_B7
Definition: gpio_soc_defs.h:60
#define GPP_C7
#define GPP_D3
#define GPP_R1
#define ARRAY_SIZE(a)
Definition: helpers.h:12
const struct pad_config * variant_early_gpio_table(size_t *num)
Definition: gpio.c:204
const struct pad_config *__weak variant_override_gpio_table(size_t *num)
Definition: gpio.c:450
static const struct pad_config override_gpio_table[]
Definition: gpio.c:8
static const struct pad_config early_gpio_table[]
Definition: gpio.c:210
#define PAD_NC(pin)
Definition: gpio_defs.h:263
#define PAD_CFG_GPI(pad, pull, rst)
Definition: gpio_defs.h:284
#define PAD_CFG_GPI_SCI_LOW(pad, pull, rst, trig)
Definition: gpio_defs.h:452
#define PAD_CFG_NF(pad, pull, rst, func)
Definition: gpio_defs.h:197
#define PAD_CFG_GPI_INT(pad, pull, rst, trig)
Definition: gpio_defs.h:348
#define PAD_CFG_GPI_APIC(pad, pull, rst, trig, inv)
Definition: gpio_defs.h:376
#define PAD_CFG_GPO(pad, val, rst)
Definition: gpio_defs.h:247
#define PAD_CFG_GPI_SCI(pad, pull, rst, trig, inv)
Definition: gpio_defs.h:432
#define PAD_CFG_GPI_GPIO_DRIVER(pad, pull, rst)
Definition: gpio_defs.h:323