summaryrefslogtreecommitdiff
path: root/src/mainboard/google/brya/variants/primus4es/gpio.c
blob: 5947b6e2e1feeb642a5cde483c320e4f35ceaf70 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/* SPDX-License-Identifier: GPL-2.0-or-later */

#include <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <commonlib/helpers.h>
#include <soc/gpio.h>

/* Pad configuration in ramstage */
static const struct pad_config override_gpio_table[] = {
	/* A6  : ESPI_ALERT1# ==> NC */
	PAD_NC(GPP_A6, NONE),
	/* A7  : SRCCLK_OE7# ==> NC */
	PAD_NC(GPP_A7, NONE),
	/* A14 : USB_OC1# ==> NC */
	PAD_NC(GPP_A14, NONE),
	/* A15 : USB_OC2# ==> NC */
	PAD_NC(GPP_A15, NONE),
	/* A21 : DDPC_CTRCLK ==> NC */
	PAD_NC(GPP_A21, NONE),
	/* A22 : DDPC_CTRLDATA ==> NC */
	PAD_NC(GPP_A22, NONE),

	/* B2  : VRALERT# ==> NC */
	PAD_NC(GPP_B2, NONE),
	/* B3  : PROC_GP2 ==> eMMC_PERST_L */
	PAD_CFG_GPO(GPP_B3, 1, DEEP),
	/* B7  : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */
	PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG),
	/* B8  : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */
	PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG),
	/* B15 : TIME_SYNC0 ==> NC */
	PAD_NC_LOCK(GPP_B15, NONE, LOCK_CONFIG),

	/* C3 : SML0CLK ==> NC */
	PAD_NC(GPP_C3, NONE),
	/* C4 : SML0DATA ==> NC */
	PAD_NC(GPP_C4, NONE),

	/* D3  : ISH_GP3 ==> NC */
	PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
	/* D5  : SRCCLKREQ0# ==> SSD_CLKREQ_ODL */
	PAD_CFG_NF(GPP_D5, NONE, DEEP, NF1),
	/* D6  : SRCCLKREQ1# ==> NC */
	PAD_NC(GPP_D6, NONE),
	/* D13 : ISH_UART0_RXD ==> NC */
	PAD_NC_LOCK(GPP_D13, NONE, LOCK_CONFIG),
	/* D14 : ISH_UART0_TXD ==> USB_A1_RT_RST_ODL */
	PAD_CFG_GPO_LOCK(GPP_D14, 1, LOCK_CONFIG),
	/* D18 : UART1_TXD ==> SD_PE_RST_L */
	PAD_CFG_GPO_LOCK(GPP_D18, 1, LOCK_CONFIG),

	/* E3  : PROC_GP0 ==> NC */
	PAD_NC(GPP_E3, NONE),
	/* E7  : PROC_GP1 ==> NC */
	PAD_NC(GPP_E7, NONE),
	/* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_eMMC */
	PAD_CFG_GPO(GPP_E20, 1, DEEP),
	/* E21 : DDP2_CTRLDATA ==> NC */
	PAD_NC(GPP_E21, NONE),

	/* F19 : SRCCLKREQ6# ==> EMMC_CLKREQ_ODL */
	PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1),
	/* F20 : EXT_PWR_GATE# ==> NC */
	PAD_NC(GPP_F20, NONE),

	/* H19 : SRCCLKREQ4# ==> NC */
	PAD_NC(GPP_H19, NONE),
	/* H21 : IMGCLKOUT2 ==> NC */
	PAD_NC(GPP_H21, NONE),
	/* H22 : IMGCLKOUT3 ==> NC */
	PAD_NC(GPP_H22, NONE),
	/* H23 : SRCCLKREQ5# ==> NC */
	PAD_NC(GPP_H23, NONE),

	/* S6 : SNDW3_CLK ==> NC */
	PAD_NC(GPP_S6, NONE),
	/* S7 : SNDW3_DATA ==> NC */
	PAD_NC(GPP_S7, NONE),

	/* T2 : GPP_T2 ==> eMMC_CFG */
	PAD_CFG_GPI(GPP_T2, NONE, DEEP),

	/* GPD11: LANPHYC ==> NC */
	PAD_NC(GPD11, NONE),
};

/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
	/* A12 : SATAXPCIE1 ==> EN_PPVAR_WWAN */
	PAD_CFG_GPO(GPP_A12, 1, DEEP),
	/* A13 : PMC_I2C_SCL ==> GSC_PCH_INT_ODL */
	PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
	/* B3  : PROC_GP2 ==> eMMC_PERST_L */
	PAD_CFG_GPO(GPP_B3, 0, DEEP),
	/* B4  : PROC_GP3 ==> SSD_PERST_L */
	PAD_CFG_GPO(GPP_B4, 0, DEEP),
	/* B7  : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */
	PAD_CFG_NF(GPP_B7, NONE, DEEP, NF2),
	/* B8  : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */
	PAD_CFG_NF(GPP_B8, NONE, DEEP, NF2),
	/*
	 * D1  : ISH_GP1 ==> FP_RST_ODL
	 * FP_RST_ODL comes out of reset as hi-z and does not have an external pull-down.
	 * To ensure proper power sequencing for the FPMCU device, reset signal is driven low
	 * early on in bootblock, followed by enabling of power. Reset signal is deasserted
	 * later on in ramstage. Since reset signal is asserted in bootblock, it results in
	 * FPMCU not working after a S3 resume. This is a known issue.
	 */
	PAD_CFG_GPO(GPP_D1, 0, DEEP),
	/* D2  : ISH_GP2 ==> EN_FP_PWR */
	PAD_CFG_GPO(GPP_D2, 1, DEEP),
	/* D11 : ISH_SPI_MISO ==> EN_PP3300_SSD */
	PAD_CFG_GPO(GPP_D11, 1, DEEP),
	/* D18 : UART1_TXD ==> SD_PE_RST_L */
	PAD_CFG_GPO(GPP_D18, 0, PLTRST),
	/* E0  : SATAXPCIE0 ==> WWAN_PERST_L (updated in ramstage)*/
	PAD_CFG_GPO(GPP_E0, 0, DEEP),
	/* E13 : THC0_SPI1_IO2 ==> MEM_CH_SEL */
	PAD_CFG_GPI(GPP_E13, NONE, DEEP),
	/* E16 : RSVD_TP ==> WWAN_RST_L (updated in ramstage)*/
	PAD_CFG_GPO(GPP_E16, 0, DEEP),
	/* E15 : RSVD_TP ==> PCH_WP_OD */
	PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, NONE, DEEP),
	/* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_eMMC */
	PAD_CFG_GPO(GPP_E20, 1, DEEP),
	/* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L (updated in romstage) */
	PAD_CFG_GPO(GPP_F21, 0, DEEP),
	/* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
	PAD_CFG_GPI(GPP_F18, NONE, DEEP),
	/* H10 : UART0_RXD ==> UART_PCH_RX_DBG_TX */
	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
	/* H11 : UART0_TXD ==> UART_PCH_TX_DBG_RX */
	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),
	/* H13 : I2C7_SCL ==> EN_PP3300_SD */
	PAD_CFG_GPO(GPP_H13, 1, PLTRST),
};

static const struct pad_config romstage_gpio_table[] = {
	/* A12 : SATAXPCIE1 ==> EN_PPVAR_WWAN (set here for correct power sequencing) */
	PAD_CFG_GPO(GPP_A12, 1, DEEP),
	/* B4  : PROC_GP3 ==> SSD_PERST_L */
	PAD_CFG_GPO(GPP_B4, 1, DEEP),
	/* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L (set here for correct power sequencing) */
	PAD_CFG_GPO(GPP_F21, 1, DEEP),
};

const struct pad_config *variant_gpio_override_table(size_t *num)
{
	*num = ARRAY_SIZE(override_gpio_table);
	return override_gpio_table;
}

const struct pad_config *variant_early_gpio_table(size_t *num)
{
	*num = ARRAY_SIZE(early_gpio_table);
	return early_gpio_table;
}

const struct pad_config *variant_romstage_gpio_table(size_t *num)
{
	*num = ARRAY_SIZE(romstage_gpio_table);
	return romstage_gpio_table;
}