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-only */
2 
3 #include <acpi/acpi.h>
4 #include <variant/gpio.h>
5 #include <baseboard/variants.h>
6 #include <commonlib/helpers.h>
7 
8 /* Pad configuration in ramstage */
9 static const struct pad_config override_gpio_table[] = {
10  /* A7 : I2S2_SCLK ==> I2S1_SPKR_SCLK */
11  PAD_CFG_NF(GPP_A7, NONE, DEEP, NF1),
12  /* A8 : I2S2_SFRM ==> I2S1_SPKR_SFRM */
13  PAD_CFG_NF(GPP_A8, NONE, DEEP, NF1),
14  /* A9 : I2S2_TXD ==> I2S1_PCH_TX_SPKR_RX */
15  PAD_CFG_NF(GPP_A9, NONE, DEEP, NF1),
16  /* A10 : I2S2_RXD ==> I2S1_PCH_RX_SPKR */
17  PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1),
18  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
19  PAD_CFG_GPO(GPP_A13, 1, DEEP),
20  /* A16 : USB_OC3# ==> USB_C0_OC_ODL */
21  PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1),
22  /* A18 : DDSP_HPDB ==> HDMI_HPD */
23  PAD_CFG_NF(GPP_A18, NONE, DEEP, NF1),
24  /* A22 : DDPC_CTRLDATA ==> EN_HDMI_PWR */
25  PAD_CFG_GPO(GPP_A22, 1, DEEP),
26 
27  /* B2 : VRALERT# ==> EN_PP3300_SSD */
28  PAD_CFG_GPO(GPP_B2, 1, PLTRST),
29  /* B7 : ISH_12C1_SDA ==> ISH_I2C1_SENSOR_SDA */
30  PAD_CFG_NF(GPP_B7, NONE, DEEP, NF1),
31  /* B8 : ISH_I2C1_SCL ==> ISH_I2C1_SENSOR_SCL */
32  PAD_CFG_NF(GPP_B8, NONE, DEEP, NF1),
33  /* B9 : I2C5_SDA ==> PCH_I2C5_TRACKPAD_SDA */
34  PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1),
35  /* B10 : I2C5_SCL ==> PCH_I2C5_TRACKPAD_SCL */
36  PAD_CFG_NF(GPP_B10, NONE, DEEP, NF1),
37  /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
38  PAD_CFG_NF(GPP_B18, DN_20K, DEEP, NF1),
39  /* B19 : GSPI1_CS0# ==> PCH_GSPI1_FPMCU_CS_L */
40  PAD_CFG_NF(GPP_B19, NONE, DEEP, NF1),
41  /* B20 : GSPI1_CLK ==> PCH_GSPI1_FPMCU_CLK */
42  PAD_CFG_NF(GPP_B20, NONE, DEEP, NF1),
43  /* B21 : GSPI1_MISO ==> PCH_GSPI1_FPMCU_MISO */
44  PAD_CFG_NF(GPP_B21, NONE, DEEP, NF1),
45  /* B23 : SML1ALERT# ==> GPP_B23_STRAP # */
46  PAD_NC(GPP_B23, DN_20K),
47 
48  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
49  PAD_CFG_GPO(GPP_C0, 1, DEEP),
50  /* C2 : SMBALERT# ==> GPP_C2_STRAP */
51  PAD_NC(GPP_C2, DN_20K),
52  /* C5 : SML0ALERT# ==> USB_SMB_INT_L_BOOT_STRAP0 */
53  PAD_NC(GPP_C5, DN_20K),
54  /* C7 : SML1DATA ==> EN_USI_CHARGE */
55  PAD_CFG_GPO(GPP_C7, 1, DEEP),
56  /* C10 : UART0_RTS# ==> USI_RST_L */
57  PAD_CFG_GPO(GPP_C10, 1, DEEP),
58  /* C13 : UART1_TXD ==> EN_PP5000_TRACKPAD */
59  PAD_CFG_GPO(GPP_C13, 1, DEEP),
60  /* C16 : I2C0_SDA ==> PCH_I2C0_1V8_AUDIO_SDA */
61  PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
62  /* C17 : I2C0_SCL ==> PCH_I2C0_1V8_AUDIO_SCL */
63  PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
64  /* C18 : I2C1_SDA ==> PCH_I2C1_TOUCH_USI_SDA */
65  PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
66  /* C19 : I2C1_SCL ==> PCH_I2C1_TOUCH_USI_SCL */
67  PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
68  /* C20 : UART2_RXD ==> FPMCU_INT_L */
69  PAD_CFG_GPI_INT(GPP_C20, NONE, PLTRST, LEVEL),
70  /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
71  PAD_CFG_GPO(GPP_C22, 0, DEEP),
72 
73  /* D0 : ISH_GP0 ==> ISH_IMU_INT_L */
74  PAD_CFG_GPI(GPP_D0, NONE, DEEP),
75  /* D1 : ISH_GP1 ==> ISH_ACCEL_INT_L */
76  PAD_CFG_GPI(GPP_D1, NONE, DEEP),
77  /* D2 : ISH_GP2 ==> ISH_LID_OPEN */
78  PAD_CFG_GPI(GPP_D2, NONE, DEEP),
79  /* D8 : SRCCLKREQ3# ==> SD_CLKREQ_ODL */
80  PAD_CFG_NF(GPP_D8, NONE, DEEP, NF1),
81  /* D10 : ISH_SPI_CLK ==> PCH_GSPI2_CVF_CLK_STRAP */
82  PAD_CFG_NF(GPP_D10, DN_20K, DEEP, NF7),
83  /* D12 : ISH_SPI_MOSI ==> PCH_GSPI2_CVF_MISO_STRAP */
84  PAD_CFG_NF(GPP_D12, DN_20K, DEEP, NF7),
85  /* D13 : ISH_UART0_RXD ==> UART_ISH_RX_DEBUG_TX */
86  PAD_CFG_NF(GPP_D13, NONE, DEEP, NF1),
87  /* D14 : ISH_UART0_TXD ==> UART_ISH_TX_DEBUG_RX */
88  PAD_CFG_NF(GPP_D14, NONE, DEEP, NF1),
89  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
90  PAD_CFG_GPO(GPP_D16, 1, DEEP),
91 
92  /* E1 : SPI1_IO2 ==> PEN_DET_ODL */
93  PAD_CFG_GPI_SCI_LOW(GPP_E1, NONE, DEEP, EDGE_SINGLE),
94  /* E3 : CPU_GP0 ==> USI_REPORT_EN */
95  PAD_CFG_GPO(GPP_E3, 1, DEEP),
96  /* E7 : CPU_GP1 ==> USI_INT */
97  PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST, LEVEL, NONE),
98  /* E10 : SPI1_CS# ==> NC */
100  /* E11 : SPI1_CLK ==> SD_PE_WAKE_ODL */
101  PAD_CFG_GPI(GPP_E11, NONE, DEEP),
102  /* E12 : SPI1_MISO_IO1 ==> PEN_ALERT_ODL */
103  PAD_CFG_GPI(GPP_E12, NONE, DEEP),
104  /* E13 : SPI1_MOSI_IO0 ==> NC */
105  PAD_NC(GPP_E13, NONE),
106  /* E15 : ISH_GP6 ==> TRACKPAD_INT_ODL */
107  PAD_CFG_GPI_IRQ_WAKE(GPP_E15, NONE, DEEP, LEVEL, INVERT),
108  /* E16 : ISH_GP7 ==> USB_A0_RT_RST_ODL */
109  PAD_CFG_GPO(GPP_E16, 1, DEEP),
110  /* E17 : THC0_SPI1_INT# ==> PEN_DET_ODL */
111  PAD_CFG_GPI_SCI_LOW(GPP_E1, NONE, DEEP, EDGE_SINGLE),
112  /* E19 : DDP1_CTRLDATA ==> USB0_C0_LSX_SOC_RX_STRAP */
113  PAD_CFG_NF(GPP_E19, DN_20K, DEEP, NF4),
114 
115  /* F7 : GPPF7_STRAP */
116  PAD_NC(GPP_F7, DN_20K),
117  /* F11 : THC1_SPI2_CLK ==> NC */
118  PAD_NC(GPP_F11, NONE),
119  /* F12 : GSXDOUT ==> EN_PP3300_TRACKPAD */
120  PAD_CFG_GPO(GPP_F12, 1, DEEP),
121  /* F13 : GSXDOUT ==> WiFi_DISABLE_L */
122  PAD_CFG_GPO(GPP_F13, 1, DEEP),
123  /* F16 : GSXCLK ==> EN_PP3300_TOUCHSCREEN */
124  PAD_CFG_GPO(GPP_F16, 1, DEEP),
125  /* F17 : WWAN_RF_DISABLE_ODL ==> EC_IN_RW_OD */
126  PAD_CFG_GPI(GPP_F17, NONE, DEEP),
127  /* F18 : THC1_SPI2_INT# ==> EN_SPKR_PA */
128  PAD_CFG_GPO(GPP_F18, 1, DEEP),
129 
130  /* H0 : GPPH0_BOOT_STRAP1 */
131  PAD_NC(GPP_H0, DN_20K),
132  /* H1 : GPPH1_BOOT_STRAP2 */
133  PAD_NC(GPP_H1, DN_20K),
134  /* H2 : GPPH2_BOOT_STRAP3 */
135  PAD_NC(GPP_H2, DN_20K),
136  /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */
137  PAD_CFG_GPO(GPP_H3, 1, DEEP),
138  /* H10 : SRCCLKREQ4# ==> USB_C_MIX_RT_FORCE_PWR */
139  PAD_CFG_GPO(GPP_H10, 0, DEEP),
140  /* H13 : M2_SKT2_CFG1 # ==> SPKR_INT_L */
141  PAD_CFG_GPI(GPP_H13, NONE, DEEP),
142  /* H16 : DDPB_CTRLCLK ==> DDPB_HDMI_CTRLCLK */
143  PAD_CFG_NF(GPP_H16, NONE, DEEP, NF1),
144  /* H17 : DDPB_CTRLDATA ==> DDPB_HDMI_CTRLDATA */
145  PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1),
146  /* H19 : TIME_SYNC0 ==> USER_PRES_FP_ODL_R */
147  PAD_CFG_GPI(GPP_H19, NONE, DEEP),
148 
149  /* R0 : HDA_BCLK ==> I2S0_HP_SCLK */
150  PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),
151  /* R1 : HDA_SYNC ==> I2S0_HP_SFRM */
152  PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),
153  /* R2 : HDA_SDO ==> I2S0_PCH_TX_HP_RX_STRAP */
154  PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),
155  /* R3 : HDA_SDIO ==> I2S0_PCH_RX_HP_TX */
156  PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),
157  /* R5 : HDA_SDI1 ==> HP_INT_L */
158  PAD_CFG_GPI_INT(GPP_R5, NONE, PLTRST, EDGE_BOTH),
159 
160  /* S0 : SNDW0_CLK ==> SNDW0_HP_CLK */
161  PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1),
162  /* S1 : SNDW0_DATA ==> SNDW0_HP_DATA */
163  PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),
164  /* S2 : SNDW1_CLK ==> SNDW1_SPKR_CLK */
165  PAD_CFG_NF(GPP_S2, NONE, DEEP, NF1),
166  /* S3 : SNDW1_DATA ==> SNDW1_SPKR_DATA */
167  PAD_CFG_NF(GPP_S3, NONE, DEEP, NF1),
168  /* S6 : SNDW3_CLK ==> DMIC_CLK0 */
169  PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),
170  /* S7 : SNDW3_DATA ==> DMIC_DATA0 */
171  PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),
172 
173  /* GPD6: SLP_A# ==> NC */
174  PAD_NC(GPD6, NONE),
175  /* GPD9: SLP_WLAN# ==> SLP_WLAN_L */
176  PAD_CFG_NF(GPD9, NONE, DEEP, NF1),
177 };
178 
179 const struct pad_config *variant_override_gpio_table(size_t *num)
180 {
182  return override_gpio_table;
183 }
184 
185 /* Early pad configuration in bootblock */
186 static const struct pad_config early_gpio_table[] = {
187  /* A12 : SATAXPCIE1 ==> M2_SSD_PEDET */
188  PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
189  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
190  /* assert reset on reboot */
191  PAD_CFG_GPO(GPP_A13, 0, DEEP),
192  /* A17 : DDSP_HPDC ==> MEM_CH_SEL */
193  PAD_CFG_GPI(GPP_A17, NONE, DEEP),
194 
195  /* B2 : VRALERT# ==> EN_PP3300_SSD */
196  PAD_CFG_GPO(GPP_B2, 1, PLTRST),
197  /* B11 : PMCALERT# ==> PCH_WP_OD */
199  /* B15 : GSPI0_CS0# ==> PCH_GSPI0_H1_TPM_CS_L */
200  PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
201  /* B16 : GSPI0_CLK ==> PCH_GSPI0_H1_TPM_CLK */
202  PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
203  /* B17 : GSPI0_MISO ==> PCH_GSPI0_H1_TPM_MISO */
204  PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
205  /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
206  PAD_CFG_NF(GPP_B18, DN_20K, DEEP, NF1),
207 
208  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
209  PAD_CFG_GPO(GPP_C0, 1, DEEP),
210  /* C8 : UART0 RX */
211  PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1),
212  /* C9 : UART0 TX */
213  PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1),
214  /* C21 : UART2_TXD ==> H1_PCH_INT_ODL */
215  PAD_CFG_GPI_APIC(GPP_C21, NONE, PLTRST, LEVEL, INVERT),
216  /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
217  PAD_CFG_GPO(GPP_C22, 0, DEEP),
218 
219  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
220  PAD_CFG_GPO(GPP_D16, 1, DEEP),
221 
222  /* E12 : SPI1_MISO_IO1 ==> PEN_ALERT_ODL */
223  PAD_CFG_GPI(GPP_E12, NONE, DEEP),
224 
225  /* F17 : WWAN_RF_DISABLE_ODL ==> EC_IN_RW_OD */
226  PAD_CFG_GPI(GPP_F17, NONE, DEEP),
227 };
228 
229 const struct pad_config *variant_early_gpio_table(size_t *num)
230 {
232  return early_gpio_table;
233 }
234 
235 /* GPIO settings before entering S5 */
236 static const struct pad_config s5_sleep_gpio_table[] = {
237  PAD_CFG_GPO(GPP_C23, 0, DEEP), /* FPMCU_RST_ODL */
238  PAD_CFG_GPO(GPP_A21, 0, DEEP), /* EN_FP_PWR */
239 };
240 
241 const struct pad_config *variant_sleep_gpio_table(u8 slp_typ, size_t *num)
242 {
243  if (slp_typ == ACPI_S5) {
245  return s5_sleep_gpio_table;
246  }
247  *num = 0;
248  return NULL;
249 }
#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_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_A16
#define GPP_F17
#define GPP_A12
#define GPP_C10
#define GPP_E7
#define GPP_C16
#define GPP_F7
#define GPP_F13
#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_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
@ ACPI_S5
Definition: acpi.h:1385
const struct pad_config * variant_early_gpio_table(size_t *num)
Definition: gpio.c:204
const struct pad_config *__weak variant_sleep_gpio_table(size_t *num)
Definition: gpio.c:466
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:9
static const struct pad_config s5_sleep_gpio_table[]
Definition: gpio.c:236
static const struct pad_config early_gpio_table[]
Definition: gpio.c:186
#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
#define NULL
Definition: stddef.h:19
uint8_t u8
Definition: stdint.h:45