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 */
23  /* A20 : DDSP_HPD2 ==> USB_C1_DP_HPD */
25  /* A22 : DDPC_CTRLDATA ==> EN_HDMI_PWR */
26  PAD_CFG_GPO(GPP_A22, 1, DEEP),
27  /* A23 : I2S1_SCLK ==> I2S1_SPKR_SCLK */
28  PAD_CFG_NF(GPP_A23, NONE, DEEP, NF1),
29 
30  /* B2 : VRALERT# ==> EN_PP3300_SSD */
31  PAD_CFG_GPO(GPP_B2, 1, PLTRST),
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  /* B22 : GSPI1_MOSI ==> NC */
38 
39  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
40  PAD_CFG_GPO(GPP_C0, 1, DEEP),
41  /* C10 : UART0_RTS# ==> USI_RST_L */
42  PAD_CFG_GPO(GPP_C10, 0, DEEP),
43  /* C16 : I2C0_SDA ==> PCH_I2C0_1V8_AUDIO_SDA */
44  PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1),
45  /* C17 : I2C0_SCL ==> PCH_I2C0_1V8_AUDIO_SCL */
46  PAD_CFG_NF(GPP_C17, NONE, DEEP, NF1),
47  /* C18 : I2C1_SDA ==> PCH_I2C1_TOUCH_USI_SDA */
48  PAD_CFG_NF(GPP_C18, NONE, DEEP, NF1),
49  /* C19 : I2C1_SCL ==> PCH_I2C1_TOUCH_USI_SCL */
50  PAD_CFG_NF(GPP_C19, NONE, DEEP, NF1),
51 
52  /* D8 : SRCCLKREQ3# ==> SD_CLKREQ_ODL */
53  PAD_CFG_NF(GPP_D8, NONE, DEEP, NF1),
54  /* D13 : ISH_UART0_RXD ==> UART_ISH_RX_DEBUG_TX */
55  PAD_CFG_NF(GPP_D13, NONE, DEEP, NF1),
56  /* D14 : ISH_UART0_TXD ==> UART_ISH_TX_DEBUG_RX */
57  PAD_CFG_NF(GPP_D14, NONE, DEEP, NF1),
58  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
59  PAD_CFG_GPO(GPP_D16, 1, DEEP),
60  /* D17 : ISH_GP4 ==> EN_FCAM_PWR */
61  PAD_CFG_GPO(GPP_D17, 1, DEEP),
62 
63  /* E3 : CPU_GP0 ==> USI_REPORT_EN */
64  PAD_CFG_GPO(GPP_E3, 1, DEEP),
65  /* E4 : SATA_DEVSLP0 ==> M2_SSD_PE_WAKE_ODL */
66  PAD_CFG_GPI(GPP_E4, NONE, DEEP),
67  /* E7 : CPU_GP1 ==> USI_INT */
68  PAD_CFG_GPI_APIC(GPP_E7, NONE, PLTRST, LEVEL, NONE),
69  /* E8 : SPI1_CS1# ==> SLP_S0IX */
70  PAD_CFG_GPO(GPP_E8, 0, DEEP),
71  /* E11 : SPI1_CLK ==> SD_PE_WAKE_ODL */
72  PAD_CFG_GPI(GPP_E11, NONE, DEEP),
73  /* E15 : ISH_GP6 ==> TRACKPAD_INT_ODL */
74  PAD_CFG_GPI_IRQ_WAKE(GPP_E15, NONE, DEEP, LEVEL, INVERT),
75  /* E18 : DDP1_CTRLCLK ==> NC */
77  /* E20 : DDP2_CTRLCLK ==> NC */
79 
80  /* F8 : I2S_MCLK2_INOUT ==> HP_INT_L */
81  PAD_CFG_GPI_INT(GPP_F8, NONE, PLTRST, EDGE_BOTH),
82  /* F11 : GPPF11_THC1_SPI2_CLK ==> NC */
84  /* F13 : GSXDOUT ==> WiFi_DISABLE_L */
85  PAD_CFG_GPO(GPP_F13, 1, DEEP),
86 
87  /* H3 : SX_EXIT_HOLDOFF# ==> SD_PERST_L */
88  PAD_CFG_GPO(GPP_H3, 1, DEEP),
89  /* H8 : I2C4_SDA ==> PCB_ID0 */
90  PAD_CFG_GPI(GPP_H8, NONE, DEEP),
91  /* H9 : I2C4_SCL ==> PCB_ID1 */
92  PAD_CFG_GPI(GPP_H9, NONE, DEEP),
93  /* H10 : SRCCLKREQ4# ==> NC */
95  /* H13 : M2_SKT2_CFG1 # ==> WWAN_CONFIG1 */
96  PAD_CFG_GPI(GPP_H13, NONE, DEEP),
97  /* H16 : DDPB_CTRLCLK ==> DDPB_HDMI_CTRLCLK */
98  PAD_CFG_NF(GPP_H16, NONE, DEEP, NF1),
99  /* H17 : DDPB_CTRLDATA ==> DDPB_HDMI_CTRLDATA */
100  PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1),
101 
102  /* R0 : HDA_BCLK ==> I2S0_HP_SCLK */
103  PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),
104  /* R1 : HDA_SYNC ==> I2S0_HP_SFRM */
105  PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),
106  /* R2 : HDA_SDO ==> I2S0_PCH_TX_HP_RX */
107  PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),
108  /* R3 : HDA_SDIO ==> I2S0_PCH_RX_HP_TX */
109  PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),
110  /* R5 : HDA_SDI1 ==> I2S1_PCH_RX_SPKR_TX */
111  PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2),
112  /* R6 : I2S1_TXD ==> I2S1_PCH_RX_SPKR_RX */
113  PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),
114  /* R7 : I2S1_SFRM ==> I2S1_SPKR_SFRM */
115  PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),
116 
117  /* S6 : SNDW3_CLK ==> DMIC_CLK0 */
118  PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),
119  /* S7 : SNDW3_DATA ==> DMIC_DATA0 */
120  PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),
121 
122  /* GPD9: SLP_WLAN# ==> SLP_WLAN_L */
123  PAD_CFG_NF(GPD9, NONE, DEEP, NF1),
124 };
125 
126 /* Early pad configuration in bootblock */
127 static const struct pad_config early_gpio_table[] = {
128  /* C8 : UART0 RX */
129  PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1),
130  /* C9 : UART0 TX */
131  PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1),
132 
133  /* A12 : SATAXPCIE1 ==> M2_SSD_PEDET */
134  PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
135  /* A13 : PMC_I2C_SCL ==> BT_DISABLE_L */
136  /* assert reset on reboot */
137  PAD_CFG_GPO(GPP_A13, 0, DEEP),
138  /* A17 : DDSP_HPDC ==> MEM_CH_SEL */
139  PAD_CFG_GPI(GPP_A17, NONE, DEEP),
140 
141  /* B2 : VRALERT# ==> EN_PP3300_SSD */
142  PAD_CFG_GPO(GPP_B2, 1, PLTRST),
143  /* B11 : PMCALERT# ==> PCH_WP_OD */
145  /* B15 : GSPI0_CS0# ==> PCH_GSPI0_H1_TPM_CS_L */
146  PAD_CFG_NF(GPP_B15, NONE, DEEP, NF1),
147  /* B16 : GSPI0_CLK ==> PCH_GSPI0_H1_TPM_CLK */
148  PAD_CFG_NF(GPP_B16, NONE, DEEP, NF1),
149  /* B17 : GSPI0_MISO ==> PCH_GSPIO_H1_TPM_MISO */
150  PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1),
151  /* B18 : GSPI0_MOSI ==> PCH_GSPI0_H1_TPM_MOSI_STRAP */
152  PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1),
153 
154  /* C0 : SMBCLK ==> EN_PP3300_WLAN */
155  PAD_CFG_GPO(GPP_C0, 1, DEEP),
156  /* C21 : UART2_TXD ==> H1_PCH_INT_ODL */
157  PAD_CFG_GPI_APIC(GPP_C21, NONE, PLTRST, LEVEL, INVERT),
158 
159  /* D16 : ISH_UART0_CTS# ==> EN_PP3300_SD */
160  PAD_CFG_GPO(GPP_D16, 1, DEEP),
161 };
162 
163 const struct pad_config *variant_override_gpio_table(size_t *num)
164 {
166  return override_gpio_table;
167 }
168 
169 const struct pad_config *variant_early_gpio_table(size_t *num)
170 {
172  return early_gpio_table;
173 }
#define GPD9
#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_H17
#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_C9
#define GPP_R6
#define GPP_H9
#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_E8
#define GPP_A7
#define GPP_A20
#define GPP_A16
#define GPP_A12
#define GPP_C10
#define GPP_E7
#define GPP_C16
#define GPP_F13
#define GPP_S6
#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_A22
#define GPP_D16
#define GPP_H10
#define GPP_A17
#define GPP_B17
Definition: gpio_soc_defs.h:70
#define GPP_E4
#define GPP_C0
#define GPP_H8
#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:127
#define PAD_NC(pin)
Definition: gpio_defs.h:263
#define PAD_CFG_GPI(pad, pull, rst)
Definition: gpio_defs.h:284
#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