coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
gpio.c
Go to the documentation of this file.
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <variant/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 ==> I2S1_SPKR_SCLK */
10  PAD_CFG_NF(GPP_A7, NONE, DEEP, NF1),
11  /* A8 : I2S2_SFRM ==> I2S1_SPKR_SFRM */
12  PAD_CFG_NF(GPP_A8, NONE, DEEP, NF1),
13  /* A9 : I2S2_TXD ==> I2S1_PCH_TX_SPKR_RX */
14  PAD_CFG_NF(GPP_A9, NONE, DEEP, NF1),
15  /* A10 : I2S2_RXD ==> I2S1_PCH_RX_SPKR */
16  PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1),
17  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
18  PAD_CFG_GPO(GPP_A13, 1, DEEP),
19  /* A16 : USB_OC3# ==> USB_C0_OC_ODL */
20  PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1),
21  /* A18 : DDSP_HPDB ==> HDMI_HPD */
22  PAD_CFG_NF(GPP_A18, NONE, DEEP, NF1),
23  /* A19 : DDSP_HPD1 ==> USB_C0_DP_HPD */
24  PAD_CFG_NF(GPP_A19, NONE, DEEP, NF1),
25  /* A20 : DDSP_HPD2 ==> USB_C1_DP_HPD */
26  PAD_CFG_NF(GPP_A20, NONE, DEEP, NF1),
27  /* A21 : DDPC_CTRCLK ==> EN_FP_PWR */
28  PAD_CFG_GPO(GPP_A21, 1, DEEP),
29  /* A22 : DDPC_CTRLDATA ==> EN_HDMI_PWR */
30  PAD_CFG_GPO(GPP_A22, 1, DEEP),
31 
32  /* B2 : VRALERT# ==> NC */
33  PAD_NC(GPP_B2, NONE),
34  /* B7 : ISH_12C1_SDA ==> ISH_I2C1_SENSOR_SDA */
35  PAD_CFG_NF(GPP_B7, NONE, DEEP, NF1),
36  /* B8 : ISH_I2C1_SCL ==> ISH_I2C1_SENSOR_SCL */
37  PAD_CFG_NF(GPP_B8, NONE, DEEP, NF1),
38  /* B9 : I2C5_SDA ==> PCH_I2C5_TRACKPAD_SDA */
39  PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1),
40  /* B10 : I2C5_SCL ==> PCH_I2C5_TRACKPAD_SCL */
41  PAD_CFG_NF(GPP_B10, NONE, DEEP, NF1),
42  /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
43  PAD_CFG_NF(GPP_B18, DN_20K, DEEP, NF1),
44  /* B19 : GSPI1_CS0# ==> PCH_GSPI1_FPMCU_CS_L */
45  PAD_CFG_NF(GPP_B19, NONE, DEEP, NF1),
46  /* B20 : GSPI1_CLK ==> PCH_GSPI1_FPMCU_CLK */
47  PAD_CFG_NF(GPP_B20, NONE, DEEP, NF1),
48  /* B21 : GSPI1_MISO ==> PCH_GSPI1_FPMCU_MISO */
49  PAD_CFG_NF(GPP_B21, NONE, DEEP, NF1),
50  /* B23 : SML1ALERT# ==> GPP_B23_STRAP # */
51  PAD_NC(GPP_B23, DN_20K),
52 
53  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
54  PAD_CFG_GPO(GPP_C0, 1, DEEP),
55  /* C2 : SMBALERT# ==> GPP_C2_STRAP */
56  PAD_NC(GPP_C2, DN_20K),
57  /* C3 : SML0CLK ==> USB4_SMB_SCL */
58  PAD_CFG_NF(GPP_C3, NONE, DEEP, NF1),
59  /* C4 : SML0DATA ==> USB4_SMB_SDA */
60  PAD_CFG_NF(GPP_C4, NONE, DEEP, NF1),
61  /* C5 : SML0ALERT# ==> USB_SMB_INT_L_BOOT_STRAP0 */
62  PAD_NC(GPP_C5, DN_20K),
63  /* C7 : SML1DATA ==> EN_USI_CHARGE */
64  PAD_CFG_GPO(GPP_C7, 1, DEEP),
65  /* C10 : UART0_RTS# ==> USI_RST_L */
66  PAD_CFG_GPO(GPP_C10, 1, DEEP),
67  /* C13 : UART1_TXD ==> EN_PP5000_TRACKPAD */
68  PAD_CFG_GPO(GPP_C13, 1, DEEP),
69  /* C16 : I2C0_SDA ==> PCH_I2C0_1V8_AUDIO_SDA */
70  PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
71  /* C17 : I2C0_SCL ==> PCH_I2C0_1V8_AUDIO_SCL */
72  PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
73  /* C18 : I2C1_SDA ==> PCH_I2C1_TOUCH_USI_SDA */
74  PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
75  /* C19 : I2C1_SCL ==> PCH_I2C1_TOUCH_USI_SCL */
76  PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
77  /* C20 : UART2_RXD ==> FPMCU_INT_L */
78  PAD_CFG_GPI_INT(GPP_C20, NONE, PLTRST, LEVEL),
79  /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
80  PAD_CFG_GPO(GPP_C22, 0, DEEP),
81  /* C23 : UART2_CTS# ==> FPMCU_RST_ODL */
82  PAD_CFG_GPO(GPP_C23, 1, DEEP),
83 
84  /* D0 : ISH_GP0 ==> ISH_IMU_INT_L */
85  PAD_CFG_GPI(GPP_D0, NONE, DEEP),
86  /* D1 : ISH_GP1 ==> ISH_ACCEL_INT_L */
87  PAD_CFG_GPI(GPP_D1, NONE, DEEP),
88  /* D2 : ISH_GP2 ==> ISH_LID_OPEN */
89  PAD_CFG_GPI(GPP_D2, NONE, DEEP),
90  /* D8 : SRCCLKREQ3# ==> SD_CLKREQ_ODL */
91  PAD_CFG_NF(GPP_D8, NONE, DEEP, NF1),
92  /* D10 : ISH_SPI_CLK ==> PCH_GSPI2_CVF_CLK_STRAP */
93  PAD_CFG_NF(GPP_D10, DN_20K, DEEP, NF7),
94  /* D12 : ISH_SPI_MOSI ==> PCH_GSPI2_CVF_MISO_STRAP */
95  PAD_CFG_NF(GPP_D12, DN_20K, DEEP, NF7),
96  /* D13 : ISH_UART0_RXD ==> UART_ISH_RX_DEBUG_TX */
97  PAD_CFG_NF(GPP_D13, NONE, DEEP, NF1),
98  /* D14 : ISH_UART0_TXD ==> UART_ISH_TX_DEBUG_RX */
99  PAD_CFG_NF(GPP_D14, NONE, DEEP, NF1),
100  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
101  PAD_CFG_GPO(GPP_D16, 1, DEEP),
102 
103  /* E1 : SPI1_IO2 ==> PEN_DET_ODL */
104  PAD_CFG_GPI_SCI_LOW(GPP_E1, NONE, DEEP, EDGE_SINGLE),
105  /* E3 : CPU_GP0 ==> USI_REPORT_EN */
106  PAD_CFG_GPO(GPP_E3, 1, DEEP),
107  /* E7 : CPU_GP1 ==> USI_INT */
108  PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST, LEVEL, NONE),
109  /* E10 : SPI1_CS# ==> NC */
110  PAD_NC(GPP_E10, NONE),
111  /* E11 : SPI1_CLK ==> SD_PE_WAKE_ODL */
112  PAD_CFG_GPI(GPP_E11, NONE, DEEP),
113  /* E12 : SPI1_MISO_IO1 ==> PEN_ALERT_ODL */
114  PAD_CFG_GPI(GPP_E12, NONE, DEEP),
115  /* E13 : SPI1_MOSI_IO0 ==> NC */
116  PAD_NC(GPP_E13, NONE),
117  /* E15 : ISH_GP6 ==> TRACKPAD_INT_ODL */
118  PAD_CFG_GPI_IRQ_WAKE(GPP_E15, NONE, DEEP, LEVEL, INVERT),
119  /* E16 : ISH_GP7 ==> USB_A0_RT_RST_ODL */
120  PAD_CFG_GPO(GPP_E16, 1, DEEP),
121  /* E17 : THC0_SPI1_INT# ==> PEN_DET_ODL */
122  PAD_CFG_GPI_SCI_LOW(GPP_E1, NONE, DEEP, EDGE_SINGLE),
123  /* E19 : DDP1_CTRLDATA ==> USB0_C0_LSX_SOC_RX_STRAP */
124  PAD_CFG_NF(GPP_E19, DN_20K, DEEP, NF4),
125 
126  /* F7 : GPPF7_STRAP */
127  PAD_NC(GPP_F7, DN_20K),
128  /* F11 : THC1_SPI2_CLK ==> NC */
129  PAD_NC(GPP_F11, NONE),
130  /* F12 : GSXDOUT ==> EN_PP3300_TRACKPAD */
131  PAD_CFG_GPO(GPP_F12, 1, DEEP),
132  /* F13 : GSXDOUT ==> WiFi_DISABLE_L */
133  PAD_CFG_GPO(GPP_F13, 1, DEEP),
134  /* F16 : GSXCLK ==> EN_PP3300_TOUCHSCREEN */
135  PAD_CFG_GPO(GPP_F16, 1, DEEP),
136  /* F17 : WWAN_RF_DISABLE_ODL ==> EC_IN_RW_OD */
137  PAD_CFG_GPI(GPP_F17, NONE, DEEP),
138  /* F18 : THC1_SPI2_INT# ==> EN_SPKR_PA */
139  PAD_CFG_GPO(GPP_F18, 1, DEEP),
140 
141  /* H0 : GPPH0_BOOT_STRAP1 */
142  PAD_NC(GPP_H0, DN_20K),
143  /* H1 : GPPH1_BOOT_STRAP2 */
144  PAD_NC(GPP_H1, DN_20K),
145  /* H2 : GPPH2_BOOT_STRAP3 */
146  PAD_NC(GPP_H2, DN_20K),
147  /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */
148  PAD_CFG_GPO(GPP_H3, 1, DEEP),
149  /* H10 : SRCCLKREQ4# ==> USB_C_MIX_RT_FORCE_PWR */
150  PAD_CFG_GPO(GPP_H10, 0, DEEP),
151  /* H13 : M2_SKT2_CFG1 # ==> SPKR_INT_L */
152  PAD_CFG_GPI(GPP_H13, NONE, DEEP),
153  /* H16 : DDPB_CTRLCLK ==> DDPB_HDMI_CTRLCLK */
154  PAD_CFG_NF(GPP_H16, NONE, DEEP, NF1),
155  /* H17 : DDPB_CTRLDATA ==> DDPB_HDMI_CTRLDATA */
156  PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1),
157  /* H19 : TIME_SYNC0 ==> USER_PRES_FP_ODL_R */
158  PAD_CFG_GPI(GPP_H19, NONE, DEEP),
159 
160  /* R0 : HDA_BCLK ==> I2S0_HP_SCLK */
161  PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),
162  /* R1 : HDA_SYNC ==> I2S0_HP_SFRM */
163  PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),
164  /* R2 : HDA_SDO ==> I2S0_PCH_TX_HP_RX_STRAP */
165  PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),
166  /* R3 : HDA_SDIO ==> I2S0_PCH_RX_HP_TX */
167  PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),
168  /* R5 : HDA_SDI1 ==> HP_INT_L */
169  PAD_CFG_GPI_INT(GPP_R5, NONE, PLTRST, EDGE_BOTH),
170 
171  /* S0 : SNDW0_CLK ==> SNDW0_HP_CLK */
172  PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1),
173  /* S1 : SNDW0_DATA ==> SNDW0_HP_DATA */
174  PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),
175  /* S2 : SNDW1_CLK ==> SNDW1_SPKR_CLK */
176  PAD_CFG_NF(GPP_S2, NONE, DEEP, NF1),
177  /* S3 : SNDW1_DATA ==> SNDW1_SPKR_DATA */
178  PAD_CFG_NF(GPP_S3, NONE, DEEP, NF1),
179  /* S6 : SNDW3_CLK ==> DMIC_CLK0 */
180  PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),
181  /* S7 : SNDW3_DATA ==> DMIC_DATA0 */
182  PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),
183 
184  /* GPD6: SLP_A# ==> NC */
185  PAD_NC(GPD6, NONE),
186  /* GPD9: SLP_WLAN# ==> SLP_WLAN_L */
187  PAD_CFG_NF(GPD9, NONE, DEEP, NF1),
188 };
189 
190 const struct pad_config *variant_override_gpio_table(size_t *num)
191 {
193  return override_gpio_table;
194 }
195 
196 /* Early pad configuration in bootblock */
197 static const struct pad_config early_gpio_table[] = {
198  /* C8 : UART0 RX */
199  PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1),
200  /* C9 : UART0 TX */
201  PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1),
202 
203  /* A12 : SATAXPCIE1 ==> M2_SSD_PEDET */
204  PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
205  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
206  /* assert reset on reboot */
207  PAD_CFG_GPO(GPP_A13, 0, DEEP),
208  /* A17 : DDSP_HPDC ==> MEM_CH_SEL */
209  PAD_CFG_GPI(GPP_A17, NONE, DEEP),
210 
211  /* B11 : PMCALERT# ==> PCH_WP_OD */
213  /* B15 : GSPI0_CS0# ==> PCH_GSPI0_H1_TPM_CS_L */
214  PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
215  /* B16 : GSPI0_CLK ==> PCH_GSPI0_H1_TPM_CLK */
216  PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
217  /* B17 : GSPI0_MISO ==> PCH_GSPI0_H1_TPM_MISO */
218  PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
219  /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
220  PAD_CFG_NF(GPP_B18, DN_20K, DEEP, NF1),
221 
222  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
223  PAD_CFG_GPO(GPP_C0, 1, DEEP),
224  /* C21 : UART2_TXD ==> H1_PCH_INT_ODL */
225  PAD_CFG_GPI_APIC(GPP_C21, NONE, PLTRST, LEVEL, INVERT),
226  /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
227  PAD_CFG_GPO(GPP_C22, 0, DEEP),
228 
229  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
230  PAD_CFG_GPO(GPP_D16, 1, DEEP),
231 
232  /* E12 : SPI1_MISO_IO1 ==> PEN_ALERT_ODL */
233  PAD_CFG_GPI(GPP_E12, NONE, DEEP),
234 
235  /* F17 : WWAN_RF_DISABLE_ODL ==> EC_IN_RW_OD */
236  PAD_CFG_GPI(GPP_F17, NONE, DEEP),
237 };
238 
239 const struct pad_config *variant_early_gpio_table(size_t *num)
240 {
242  return early_gpio_table;
243 }
#define GPP_H19
#define GPP_D1
#define GPD9
#define GPP_C2
#define GPP_D10
#define GPP_D8
#define GPP_E3
#define GPP_A18
#define GPP_F12
#define GPP_F16
#define GPP_H16
#define GPP_D14
#define GPP_S0
#define GPP_C5
#define GPP_H17
#define GPP_D12
#define GPP_B16
Definition: gpio_soc_defs.h:69
#define GPP_B2
Definition: gpio_soc_defs.h:55
#define GPP_R3
#define GPP_A19
#define GPP_D2
#define GPP_C9
#define GPP_H2
#define GPP_C22
#define GPP_R0
#define GPP_B15
Definition: gpio_soc_defs.h:68
#define GPP_E13
#define GPP_C23
#define GPP_H13
#define GPP_C8
#define GPP_S7
#define GPP_H1
#define GPP_C18
#define GPP_S3
#define GPP_C13
#define GPP_C17
#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_C10
#define GPP_E7
#define GPP_C16
#define GPP_F7
#define GPP_F13
#define GPP_C4
#define GPP_S6
#define GPP_B19
Definition: gpio_soc_defs.h:72
#define GPP_E19
#define GPP_H0
#define GPP_C21
#define GPP_R2
#define GPP_B9
Definition: gpio_soc_defs.h:62
#define GPP_H3
#define GPP_A10
#define GPP_A8
#define GPP_D0
#define GPP_B11
Definition: gpio_soc_defs.h:64
#define GPP_D13
#define GPP_B18
Definition: gpio_soc_defs.h:71
#define GPP_R5
#define GPP_A9
#define GPP_E10
#define GPP_C19
#define GPP_A13
#define GPP_S2
#define GPP_A21
#define GPP_B23
Definition: gpio_soc_defs.h:76
#define GPP_E15
#define GPP_B10
Definition: gpio_soc_defs.h:63
#define GPP_E16
#define GPP_E11
#define GPD6
#define GPP_F18
#define GPP_A22
#define GPP_F11
#define GPP_B21
Definition: gpio_soc_defs.h:74
#define GPP_D16
#define GPP_H10
#define GPP_C3
#define GPP_E12
#define GPP_A17
#define GPP_B17
Definition: gpio_soc_defs.h:70
#define GPP_C0
#define GPP_E1
#define GPP_B7
Definition: gpio_soc_defs.h:60
#define GPP_C7
#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:197
#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_GPIO_DRIVER(pad, pull, rst)
Definition: gpio_defs.h:323