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 <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  /* A15 : USB_OC2# ==> NC */
19  /* A16 : USB_OC3# ==> USB_C0_OC_ODL */
20  PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1),
21  /* A22 : DDPC_CTRLDATA ==> EN_PP3300_SSD */
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# ==> NOT USED */
27  PAD_NC(GPP_B2, NONE),
28  /* B9 : I2C5_SDA ==> PCH_I2C5_TRACKPAD_SDA */
29  PAD_CFG_NF(GPP_B9, NONE, DEEP, NF1),
30  /* B10 : I2C5_SCL ==> PCH_I2C5_TRACKPAD_SCL */
31  PAD_CFG_NF(GPP_B10, NONE, DEEP, NF1),
32  /* B22 : GSPI1_MOSI ==> NOT USED */
34 
35  /* C10 : UART0_RTS# ==> USI_RST_L */
36  PAD_CFG_GPO(GPP_C10, 0, DEEP),
37  /* C16 : I2C0_SDA ==> PCH_I2C0_1V8_AUDIO_SDA */
38  PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
39  /* C17 : I2C0_SCL ==> PCH_I2C0_1V8_AUDIO_SCL */
40  PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
41  /* C18 : I2C1_SDA ==> PCH_I2C1_TOUCH_USI_SDA */
42  PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
43  /* C19 : I2C1_SCL ==> PCH_I2C1_TOUCH_USI_SCL */
44  PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
45 
46  /* D6 : SRCCLKREQ1# ==> WLAN_CLKREQ_ODL */
47  PAD_CFG_NF(GPP_D6, NONE, DEEP, NF1),
48  /* D8 : SRCCLKREQ3# ==> SD_CLKREQ_ODL */
49  PAD_CFG_NF(GPP_D8, NONE, DEEP, NF1),
50  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
51  PAD_CFG_GPO(GPP_D16, 1, DEEP),
52  /* D17 : ISH_GP4 ==> EN_CVF_PWR */
53  PAD_CFG_GPO(GPP_D17, 1, DEEP),
54 
55  /* E0 : SATAXPCIE0 ==> NC */
56  PAD_NC(GPP_E0, NONE),
57  /* E2 : SPI1_IO3 ==> WLAN_PCIE_WAKE_ODL */
58  PAD_CFG_GPI(GPP_E2, NONE, DEEP),
59  /* E4 : SATA_DEVSLP0 ==> M2_SSD_PE_WAKE_ODL */
60  PAD_CFG_GPI(GPP_E4, NONE, DEEP),
61  /* E7 : CPU_GP1 ==> USI_INT */
62  PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST, LEVEL, NONE),
63  /* E11 : SPI1_CLK ==> SD_PE_WAKE_ODL */
64  PAD_CFG_GPI(GPP_E11, NONE, DEEP),
65  /* E15 : ISH_GP6 ==> TRACKPAD_INT_ODL */
66  PAD_CFG_GPI_IRQ_WAKE(GPP_E15, NONE, DEEP, LEVEL, INVERT),
67  /* E18 : DDP1_CTRLCLK ==> NC */
69  /* E19 : DDP1_CTRLCLK ==> NC */
71  /* E20 : DDP2_CTRLCLK ==> NC */
73  /* E21 : DDP1_CTRLCLK ==> NC */
75 
76  /* F8 : I2S_MCLK2_INOUT ==> HP_INT_L */
77  PAD_CFG_GPI_INT(GPP_F8, NONE, PLTRST, EDGE_BOTH),
78  /* F11 : THC1_SPI2_CLK ==> NC */
80  /* F13 : GSXDOUT ==> WiFi_DISABLE_L */
81  PAD_CFG_GPO(GPP_F13, 1, DEEP),
82  /* F19 : SRCCLKREQ6# ==> WLAN_INT_L */
83  PAD_CFG_GPI_SCI_LOW(GPP_F19, NONE, DEEP, EDGE_SINGLE),
84  /* F20 : EXT_PWR_GATE# ==> NC */
86  /* F21 : EXT_PWR_GATE2# ==> NC */
88  /* F22 : VNN_CTRL ==> NC */
90 
91  /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */
92  PAD_CFG_GPO(GPP_H3, 1, DEEP),
93  /* H4 : I2C2_SDA ==> NC */
94  PAD_NC(GPP_H4, NONE),
95  /* H5 : I2C2_SCL ==> NC */
96  PAD_NC(GPP_H5, NONE),
97  /* H10 : SRCCLKREQ4# ==> NC */
99  /* H11 : SRCCLKREQ5# ==> WLAN_PERST_L */
100  PAD_CFG_GPO(GPP_H11, 1, DEEP),
101  /* H12 : M2_SKT2_CFG0 ==> SPKR_INT_R */
102  PAD_CFG_GPI(GPP_H12, NONE, DEEP),
103  /* H13 : M2_SKT2_CFG1 # ==> SPKR_INT_L */
104  PAD_CFG_GPI(GPP_H13, NONE, DEEP),
105 
106  /* R0 : HDA_BCLK ==> I2S0_HP_SCLK */
107  PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),
108  /* R1 : HDA_SYNC ==> I2S0_HP_SFRM */
109  PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),
110  /* R2 : HDA_SDO ==> I2S0_PCH_TX_HP_RX_STRAP */
111  PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),
112  /* R3 : HDA_SDIO ==> I2S0_PCH_RX_HP_TX */
113  PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),
114  /* R5 : HDA_SDI1 ==> I2S1_PCH_RX_SPKR_TX */
115  PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2),
116  /* R6 : I2S1_TXD ==> I2S1_PCH_RX_SPKR_RX */
117  PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),
118  /* R7 : I2S1_SFRM ==> I2S1_SPKR_SFRM */
119  PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),
120 
121  /* S6 : SNDW3_CLK ==> DMIC_CLK0 */
122  PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),
123  /* S7 : SNDW3_DATA ==> DMIC_DATA0 */
124  PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),
125 
126  /* GPD9: SLP_WLAN# ==> SLP_WLAN_L_CAP_SITE */
127  PAD_CFG_NF(GPD9, NONE, DEEP, NF1),
128 };
129 
130 /* Early pad configuration in bootblock */
131 static const struct pad_config early_gpio_table[] = {
132  /* C8 : UART0 RX */
133  PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1),
134  /* C9 : UART0 TX */
135  PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1),
136 
137  /* A12 : SATAXPCIE1 ==> M2_SSD_PEDET */
138  PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
139  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
140  /* assert reset on reboot */
141  PAD_CFG_GPO(GPP_A13, 0, DEEP),
142  /* A17 : DDSP_HPDC ==> MEM_CH_SEL */
143  PAD_CFG_GPI(GPP_A17, NONE, DEEP),
144  /* A22 : DDPC_CTRLDATA ==> EN_PP3300_SSD */
145  PAD_CFG_GPO(GPP_A22, 1, DEEP),
146 
147  /* B11 : PMCALERT# ==> PCH_WP_OD */
149  /* B15 : GSPI0_CS0# ==> PCH_GSPI0_H1_TPM_CS_L */
150  PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
151  /* B16 : GSPI0_CLK ==> PCH_GSPI0_H1_TPM_CLK */
152  PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
153  /* B17 : GSPI0_MISO ==> PCH_GSPIO_H1_TPM_MISO */
154  PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
155  /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
156  PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
157 
158  /* C21 : UART2_TXD ==> H1_PCH_INT_ODL */
159  PAD_CFG_GPI_APIC(GPP_C21, NONE, PLTRST, LEVEL, INVERT),
160 
161  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
162  PAD_CFG_GPO(GPP_D16, 1, DEEP),
163 
164  /* E15 : ISH_GP6 ==> NC */
165  PAD_NC(GPP_E15, NONE),
166 
167  /* H11 : SRCCLKREQ5# ==> WLAN_PERST_L */
168  PAD_CFG_GPO(GPP_H11, 1, DEEP),
169 };
170 
171 const struct pad_config *variant_override_gpio_table(size_t *num)
172 {
174  return override_gpio_table;
175 }
176 
177 const struct pad_config *variant_early_gpio_table(size_t *num)
178 {
180  return early_gpio_table;
181 }
#define GPD9
#define GPP_D8
#define GPP_D17
#define GPP_F21
#define GPP_E0
#define GPP_R7
#define GPP_F20
#define GPP_H11
#define GPP_B16
Definition: gpio_soc_defs.h:69
#define GPP_B2
Definition: gpio_soc_defs.h:55
#define GPP_R3
#define GPP_D6
#define GPP_H12
#define GPP_C9
#define GPP_R6
#define GPP_R0
#define GPP_B15
Definition: gpio_soc_defs.h:68
#define GPP_H13
#define GPP_C8
#define GPP_S7
#define GPP_B22
Definition: gpio_soc_defs.h:75
#define GPP_A23
#define GPP_C18
#define GPP_C17
#define GPP_A7
#define GPP_A16
#define GPP_A12
#define GPP_C10
#define GPP_E7
#define GPP_C16
#define GPP_F13
#define GPP_S6
#define GPP_E2
#define GPP_E19
#define GPP_H5
#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_B18
Definition: gpio_soc_defs.h:71
#define GPP_R5
#define GPP_E20
#define GPP_A15
#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_A22
#define GPP_F22
#define GPP_F11
#define GPP_D16
#define GPP_H10
#define GPP_E21
#define GPP_A17
#define GPP_B17
Definition: gpio_soc_defs.h:70
#define GPP_E4
#define GPP_F19
#define GPP_H4
#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:131
#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