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, 1, 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  /* A22 : DDPC_CTRLDATA ==> EN_HDMI_PWR */
22  PAD_CFG_GPO(GPP_A22, 1, DEEP),
23  /* A23 : I2S1_SCLK ==> I2S1_SPKR_SCLK */
24  PAD_CFG_NF(GPP_A23, NONE, DEEP, NF1),
25 
26  /* B2 : VRALERT# ==> EN_PP3300_SSD */
27  PAD_CFG_GPO(GPP_B2, 1, PLTRST),
28  /* B3 : CPU_GP2 ==> PEN_DET_ODL */
29  PAD_CFG_GPI(GPP_B3, NONE, DEEP),
30  /* B4 : CPU_GP3==> EN_PP3300_EMMC */
31  PAD_CFG_GPO(GPP_B4, 1, DEEP),
32  /* B9 : I2C5_SDA ==> PCH_I2C5_TRACKPAD_SDA */
33  PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1),
34  /* B10 : I2C5_SCL ==> PCH_I2C5_TRACKPAD_SCL */
35  PAD_CFG_NF(GPP_B10, NONE, DEEP, NF1),
36  /* B19 : GSPI1_CS0# ==> PCH_GSPI1_FPMCU_CS_L */
37  PAD_CFG_NF(GPP_B19, NONE, DEEP, NF1),
38  /* B20 : GSPI1_CLK ==> PCH_GSPI1_FPMCU_CLK */
39  PAD_CFG_NF(GPP_B20, NONE, DEEP, NF1),
40  /* B21 : GSPI1_MISO ==> PCH_GSPI1_FPMCU_MISO */
41  PAD_CFG_NF(GPP_B21, NONE, DEEP, NF1),
42 
43  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
44  PAD_CFG_GPO(GPP_C0, 1, DEEP),
45  /* C2 : SMBALERT# ==> GPP_C2_STRAP */
46  PAD_NC(GPP_C2, DN_20K),
47  /* C3 : EMMC_PE_WAKE_ODL*/
48  PAD_CFG_GPI(GPP_C3, NONE, DEEP),
49  /* C4 : EMMC_PERST_L*/
50  PAD_CFG_GPO(GPP_C4, 1, DEEP),
51 
52  /* C5 : SML0ALERT# ==> GPP_C5_BOOT_STRAP_0 */
53  PAD_NC(GPP_C5, DN_20K),
54  /* C10 : UART0_RTS# ==> USI_RST_L */
55  PAD_CFG_GPO(GPP_C10, 0, DEEP),
56  /* C16 : I2C0_SDA ==> PCH_I2C0_1V8_AUDIO_SDA */
57  PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
58  /* C17 : I2C0_SCL ==> PCH_I2C0_1V8_AUDIO_SCL */
59  PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
60  /* C18 : I2C1_SDA ==> PCH_I2C1_TOUCH_USI_SDA */
61  PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
62  /* C19 : I2C1_SCL ==> PCH_I2C1_TOUCH_USI_SCL */
63  PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
64  /* C20 : UART2_RXD ==> FPMCU_INT_L */
65  PAD_CFG_GPI_INT(GPP_C20, NONE, PLTRST, LEVEL),
66  /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
67  PAD_CFG_GPO(GPP_C22, 0, DEEP),
68 
69  /* D6 : SRCCLKREQ1# ==> WLAN_CLKREQ_ODL */
70  PAD_CFG_NF(GPP_D6, NONE, DEEP, NF1),
71  /* D8 : SRCCLKREQ3# ==> SD_CLKREQ_ODL */
72  PAD_CFG_NF(GPP_D8, NONE, DEEP, NF1),
73  /* D12 : ISH_SPI_MOSI ==> PCH_GSPI2_CVF_MOSI_STRAP */
74  PAD_CFG_NF(GPP_D12, DN_20K, DEEP, NF7),
75  /* D13 : ISH_UART0_RXD ==> UART_ISH_RX_DEBUG_TX */
76  PAD_CFG_NF(GPP_D13, NONE, DEEP, NF1),
77  /* D14 : ISH_UART0_TXD ==> UART_ISH_TX_DEBUG_RX */
78  PAD_CFG_NF(GPP_D14, NONE, DEEP, NF1),
79  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
80  PAD_CFG_GPO(GPP_D16, 1, DEEP),
81  /* D17 : ISH_GP4 ==> EN_FCAM_PWR */
82  PAD_CFG_GPO(GPP_D17, 1, DEEP),
83 
84  /* E1 : SPI1_IO2 ==> PEN_DET_ODL */
85  PAD_CFG_GPI_SCI_LOW(GPP_E1, NONE, DEEP, EDGE_SINGLE),
86  /* E2 : SPI1_IO3 ==> WLAN_PCIE_WAKE_ODL */
87  PAD_CFG_GPI(GPP_E2, NONE, DEEP),
88  /* E3 : CPU_GP0 ==> USI_REPORT_EN */
89  PAD_CFG_GPO(GPP_E3, 0, DEEP),
90  /* E4 : SATA_DEVSLP0 ==> M2_SSD_PE_WAKE_ODL */
91  PAD_CFG_GPI(GPP_E4, NONE, DEEP),
92  /* E6 : THC0_SPI1_RST# ==> GPP_E6_STRAP */
93  PAD_CFG_GPI(GPP_E6, NONE, DEEP),
94  /* E7 : CPU_GP1 ==> USI_INT */
95  PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST, LEVEL, NONE),
96  /* E8 : SPI1_CS1# ==> SLP_S0IX */
97  PAD_CFG_GPO(GPP_E8, 0, DEEP),
98  /* E11 : SPI1_CLK ==> SD_PE_WAKE_ODL */
99  PAD_CFG_GPI(GPP_E11, NONE, DEEP),
100  /* E15 : ISH_GP6 ==> TRACKPAD_INT_ODL */
101  PAD_CFG_GPI_IRQ_WAKE(GPP_E15, NONE, DEEP, LEVEL, INVERT),
102  /* E18 : DDP1_CTRLCLK ==> NC */
103  PAD_NC(GPP_E18, NONE),
104  /* E20 : DDP2_CTRLCLK ==> NC */
105  PAD_NC(GPP_E20, NONE),
106  /* E21 : DDP2_CTRLDATA ==> NC */
107  PAD_NC(GPP_E21, NONE),
108 
109  /* F7 : GPPF7_STRAP ==> GPP_F7_STRAP */
110  PAD_NC(GPP_F7, DN_20K),
111  /* F8 : I2S_MCLK2_INOUT ==> HP_INT_L */
112  PAD_CFG_GPI_INT(GPP_F8, NONE, PLTRST, EDGE_BOTH),
113  /* F11 : THC1_SPI2_CLK ==> NC */
114  PAD_NC(GPP_F11, NONE),
115  /* F12 : GSXDOUT ==> NC */
116  PAD_NC(GPP_F12, NONE),
117 
118  /* F13 : GSXDOUT ==> WiFi_DISABLE_L */
119  PAD_CFG_GPO(GPP_F13, 1, DEEP),
120  /* F19 : SRCCLKREQ6# ==> WLAN_INT_L */
121  PAD_CFG_GPI_SCI_LOW(GPP_F19, NONE, DEEP, EDGE_SINGLE),
122 
123  /* H0 : GPPH0_BOOT_STRAP1 */
124  PAD_NC(GPP_H0, DN_20K),
125  /* H1 : GPPH1_BOOT_STRAP2 */
126  PAD_NC(GPP_H1, DN_20K),
127  /* H2 : GPPH2_BOOT_STRAP3 */
128  PAD_NC(GPP_H2, DN_20K),
129  /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */
130  PAD_CFG_GPO(GPP_H3, 1, DEEP),
131  /* H10 : SRCCLKREQ4# ==> WLAN_PERST_L*/
132  PAD_CFG_GPO(GPP_H10, 1, DEEP),
133  /* H11 : SRCCLKREQ5# ==> EMMC_CLKREQ_ODL*/
134  PAD_CFG_NF(GPP_H11, NONE, DEEP, NF1),
135  /* H16 : DDPB_CTRLCLK ==> DDIB_HDMI_CTRLCLK */
136  PAD_CFG_NF(GPP_H16, NONE, DEEP, NF1),
137  /* H17 : DDPB_CTRLDATA ==> DDPB_HDMI_CTRLDATA */
138  PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1),
139  /* H19 : TIME_SYNC0 ==> USER_PRES_FP_ODL */
140  PAD_CFG_GPI(GPP_H19, NONE, DEEP),
141 
142  /* R0 : HDA_BCLK ==> I2S0_HP_SCLK */
143  PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),
144  /* R1 : HDA_SYNC ==> I2S0_HP_SFRM */
145  PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),
146  /* R2 : HDA_SDO ==> I2S0_PCH_TX_HP_RX_STRAP */
147  PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),
148  /* R3 : HDA_SDIO ==> I2S0_PCH_RX_HP_TX */
149  PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),
150  /* R5 : HDA_SDI1 ==> I2S1_PCH_RX_SPKR_TX */
151  PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2),
152  /* R6 : I2S1_TXD ==> I2S1_PCH_RX_SPKR_RX */
153  PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),
154  /* R7 : I2S1_SFRM ==> I2S1_SPKR_SFRM */
155  PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),
156 
157  /* S0 : SNDW0_CLK ==> SNDW0_HP_CLK */
158  PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1),
159  /* S1 : SNDW0_DATA ==> SNDW0_HP_DATA */
160  PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),
161  /* S6 : SNDW3_CLK ==> DMIC_CLK0 */
162  PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),
163  /* S7 : SNDW3_DATA ==> DMIC_DATA0 */
164  PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),
165 
166  /* GPD9: SLP_WLAN# ==> SLP_WLAN_L */
167  PAD_CFG_NF(GPD9, NONE, DEEP, NF1),
168 
169 };
170 
171 /* Early pad configuration in bootblock */
172 static const struct pad_config early_gpio_table[] = {
173  /* C8 : UART0 RX */
174  PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1),
175  /* C9 : UART0 TX */
176  PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1),
177 
178  /* A12 : SATAXPCIE1 ==> M2_SSD_PEDET */
179  PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
180  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
181  /* assert reset on reboot */
182  PAD_CFG_GPO(GPP_A13, 0, DEEP),
183  /* A17 : DDSP_HPDC ==> MEM_CH_SEL */
184  PAD_CFG_GPI(GPP_A17, NONE, DEEP),
185  /* B2 : VRALERT# ==> EN_PP3300_SSD */
186  PAD_CFG_GPO(GPP_B2, 1, PLTRST),
187  /* B4 : CPU_GP3==> EN_PP3300_EMMC */
188  PAD_CFG_GPO(GPP_B4, 1, DEEP),
189 
190 
191  /* B11 : PMCALERT# ==> PCH_WP_OD */
193  /* B15 : GSPI0_CS0# ==> PCH_GSPI0_H1_TPM_CS_L */
194  PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
195  /* B16 : GSPI0_CLK ==> PCH_GSPI0_H1_TPM_CLK */
196  PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
197  /* B17 : GSPI0_MISO ==> PCH_GSPIO_H1_TPM_MISO */
198  PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
199  /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
200  PAD_CFG_NF(GPP_B18, DN_20K, DEEP, NF1),
201 
202  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
203  PAD_CFG_GPO(GPP_C0, 1, DEEP),
204  /* C21 : UART2_TXD ==> H1_PCH_INT_ODL */
205  PAD_CFG_GPI_APIC(GPP_C21, NONE, PLTRST, LEVEL, INVERT),
206  /* C22 : UART2_RTS# ==> PCH_FPMCU_BOOT0 */
207  PAD_CFG_GPO(GPP_C22, 0, DEEP),
208 
209  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
210  PAD_CFG_GPO(GPP_D16, 1, DEEP),
211 
212  /* H10 : SRCCLKREQ5# ==> WLAN_PERST_L */
213  PAD_CFG_GPO(GPP_H10, 1, DEEP),
214 };
215 
216 const struct pad_config *variant_override_gpio_table(size_t *num)
217 {
219  return override_gpio_table;
220 }
221 
222 const struct pad_config *variant_early_gpio_table(size_t *num)
223 {
225  return early_gpio_table;
226 }
#define GPP_H19
#define GPD9
#define GPP_C2
#define GPP_D8
#define GPP_D17
#define GPP_E3
#define GPP_A18
#define GPP_F12
#define GPP_H16
#define GPP_R7
#define GPP_D14
#define GPP_S0
#define GPP_C5
#define GPP_H11
#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_E6
#define GPP_D6
#define GPP_C9
#define GPP_H2
#define GPP_C22
#define GPP_R6
#define GPP_R0
#define GPP_B15
Definition: gpio_soc_defs.h:68
#define GPP_C8
#define GPP_S7
#define GPP_H1
#define GPP_A23
#define GPP_C18
#define GPP_C17
#define GPP_E8
#define GPP_A7
#define GPP_S1
#define GPP_C20
#define GPP_B20
Definition: gpio_soc_defs.h:73
#define GPP_A16
#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_E2
#define GPP_H0
#define GPP_C21
#define GPP_R2
#define GPP_B9
Definition: gpio_soc_defs.h:62
#define GPP_E18
#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_R5
#define GPP_E20
#define GPP_F8
#define GPP_C19
#define GPP_A13
#define GPP_E15
#define GPP_B10
Definition: gpio_soc_defs.h:63
#define GPP_E11
#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_B4
Definition: gpio_soc_defs.h:57
#define GPP_D16
#define GPP_H10
#define GPP_E21
#define GPP_C3
#define GPP_A17
#define GPP_B17
Definition: gpio_soc_defs.h:70
#define GPP_E4
#define GPP_C0
#define GPP_E1
#define GPP_F19
#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:172
#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