summaryrefslogtreecommitdiff
path: root/src/mainboard/google/brya/variants/pujjo/gpio.c
blob: 91223c30fe32bf76ed099c53d75dc38f770c7bcf (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
/* SPDX-License-Identifier: GPL-2.0-or-later */

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

/* Pad configuration in ramstage for Pujjo */
static const struct pad_config override_gpio_table[] = {
	/* A8  : WWAN_RF_DISABLE_ODL */
	PAD_CFG_GPO(GPP_A8, 1, DEEP),
	/* D3  : WCAM_RST_L ==> NC */
	PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
	/* D6  : SRCCLKREQ1# ==> WWAN_EN */
	PAD_CFG_GPO(GPP_D6, 1, DEEP),
	/* D15  : EN_PP2800_WCAM_X ==> NC */
	PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
	/* D16  : EN_PP1800_PP1200_WCAM_X ==> NC */
	PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
	/* D17 : NC ==> SD_WAKE_N */
	PAD_CFG_GPI_LOCK(GPP_D17, NONE, LOCK_CONFIG),
	/* F12 : WWAN_RST_L */
	PAD_CFG_GPO_LOCK(GPP_F12, 1, LOCK_CONFIG),
	/* H19 : SOC_I2C_SUB_INT_ODL */
	PAD_CFG_GPI_APIC(GPP_H19, NONE, PLTRST, LEVEL, NONE),
	/* H22  : WCAM_MCLK_R ==> NC */
	PAD_NC(GPP_H22, NONE),
	/* H23 : WWAN_SAR_DETECT_ODL */
	PAD_CFG_GPO(GPP_H23, 1, DEEP),
};

/* Pad configuration in ramstage for Pujjoteen5 */
static const struct pad_config override_5g_gpio_table[] = {
	/* A8  : WWAN_RF_DISABLE_ODL */
	PAD_CFG_GPO(GPP_A8, 1, DEEP),
	/* A12 : WWAN_PCIE_WAKE_ODL */
	PAD_CFG_GPI_LOCK(GPP_A12, NONE, LOCK_CONFIG),
	/* D3  : WCAM_RST_L ==> NC */
	PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
	/* D5  : SRCCLKREQ0# ==> WWAN_CLKREQ_ODL */
	PAD_CFG_NF(GPP_D5, NONE, DEEP, NF1),
	/* D6  : SRCCLKREQ1# ==> WWAN_EN */
	PAD_CFG_GPO_LOCK(GPP_D6, 1, LOCK_CONFIG),
	/* D15  : EN_PP2800_WCAM_X ==> WWAN_SAR_DETECT_2_ODL */
	PAD_CFG_GPO(GPP_D15, 1, DEEP),
	/* D16  : EN_PP1800_PP1200_WCAM_X ==> NC */
	PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
	/* D17 : NC ==> SD_WAKE_N */
	PAD_CFG_GPI_LOCK(GPP_D17, NONE, LOCK_CONFIG),
	/* F12 : WWAN_RST_L */
	PAD_CFG_GPO_LOCK(GPP_F12, 1, LOCK_CONFIG),
	/* H19 : SOC_I2C_SUB_INT_ODL */
	PAD_CFG_GPI_APIC(GPP_H19, NONE, PLTRST, LEVEL, NONE),
	/* H21  : WCAM_MCLK_R ==> WWAN_PERST_L */
	PAD_CFG_GPO(GPP_H21, 1, DEEP),
	/* H22  : WCAM_MCLK_R ==> NC */
	PAD_NC(GPP_H22, NONE),
	/* H23 : WWAN_SAR_DETECT_ODL */
	PAD_CFG_GPO(GPP_H23, 1, DEEP),
};

/* Early pad configuration in bootblock */
static const struct pad_config early_gpio_table[] = {
	/* A13 : GPP_A13 ==> GSC_SOC_INT_ODL */
	PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
	/*
	* WWAN_EN is asserted in ramstage to meet the 500 ms warm reset toff
	* requirement. WWAN_EN must be asserted before WWAN_RST_L is released
	* (with min delay 0 ms), so this works as long as the pin used for
	* WWAN_EN comes before the pin used for WWAN_RST_L.
	*/
	/* D6  : SRCCLKREQ1# ==> WWAN_EN */
	PAD_CFG_GPO(GPP_D6, 0, DEEP),
	/* E12 : THC0_SPI1_IO1 ==> SOC_WP_OD */
	PAD_CFG_GPI_GPIO_DRIVER(GPP_E12, NONE, DEEP),
	/* F12 : WWAN_RST_L */
	PAD_CFG_GPO(GPP_F12, 0, DEEP),
	/* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
	PAD_CFG_GPI(GPP_F18, NONE, DEEP),
	/* H4  : I2C0_SDA ==> SOC_I2C_GSC_SDA */
	PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
	/* H5  : I2C0_SCL ==> SOC_I2C_GSC_SCL */
	PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1),
	/* H10 : UART0_RXD ==> UART_SOC_RX_DBG_TX */
	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
	/* H11 : UART0_TXD ==> UART_SOC_TX_DBG_RX */
	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),
	/* H12 : UART0_RTS# ==> SD_PERST_L */
	PAD_CFG_GPO(GPP_H12, 0, DEEP),
	/* H13 : UART0_CTS# ==> EN_PP3300_SD_X */
	PAD_CFG_GPO(GPP_H13, 1, DEEP),
};


/* Early pad configuration in bootblock for Pujjoteen5 */
static const struct pad_config early_5g_gpio_table[] = {
	/* A13 : GPP_A13 ==> GSC_SOC_INT_ODL */
	PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
	/*
	* WWAN_EN is asserted in ramstage to meet the 500 ms warm reset toff
	* requirement. WWAN_EN must be asserted before WWAN_RST_L is released
	* (with min delay 0 ms), so this works as long as the pin used for
	* WWAN_EN comes before the pin used for WWAN_RST_L.
	*/
	/* D6  : SRCCLKREQ1# ==> WWAN_EN */
	PAD_CFG_GPO(GPP_D6, 0, DEEP),
	/* E12 : THC0_SPI1_IO1 ==> SOC_WP_OD */
	PAD_CFG_GPI_GPIO_DRIVER(GPP_E12, NONE, DEEP),
	/* F12 : WWAN_RST_L */
	PAD_CFG_GPO(GPP_F12, 0, DEEP),
	/* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
	PAD_CFG_GPI(GPP_F18, NONE, DEEP),
	/* H4  : I2C0_SDA ==> SOC_I2C_GSC_SDA */
	PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
	/* H5  : I2C0_SCL ==> SOC_I2C_GSC_SCL */
	PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1),
	/* H10 : UART0_RXD ==> UART_SOC_RX_DBG_TX */
	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
	/* H11 : UART0_TXD ==> UART_SOC_TX_DBG_RX */
	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),
	/* H12 : UART0_RTS# ==> SD_PERST_L */
	PAD_CFG_GPO(GPP_H12, 0, DEEP),
	/* H13 : UART0_CTS# ==> EN_PP3300_SD_X */
	PAD_CFG_GPO(GPP_H13, 1, DEEP),
	/* H21  : WCAM_MCLK_R ==> WWAN_PERST_L */
	PAD_CFG_GPO(GPP_H21, 0, DEEP),
};

static const struct pad_config romstage_gpio_table[] = {
	/* H12 : UART0_RTS# ==> SD_PERST_L */
	PAD_CFG_GPO(GPP_H12, 1, DEEP),
};

const struct pad_config *variant_gpio_override_table(size_t *num)
{
	if (fw_config_probe(FW_CONFIG(WWAN_5G, WWAN_5G_PRESENT))) {
		*num = ARRAY_SIZE(override_5g_gpio_table);
		return override_5g_gpio_table;
	} else {
		*num = ARRAY_SIZE(override_gpio_table);
		return override_gpio_table;
	}
}

const struct pad_config *variant_early_gpio_table(size_t *num)
{
	if (fw_config_probe(FW_CONFIG(WWAN_5G, WWAN_5G_PRESENT))) {
		*num = ARRAY_SIZE(early_5g_gpio_table);
		return early_5g_gpio_table;
	} else {
		*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;
}