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authorAndrey Petrov <andrey.petrov@intel.com>2017-06-05 14:10:17 -0700
committerMartin Roth <martinroth@google.com>2017-07-18 19:16:56 +0000
commitc854b49db94675f62d6feae60bbd7ad5cfccd721 (patch)
tree4594dd4fee43f4313b9f8913ca315657402cedb6 /src/soc/intel/cannonlake/gpio.c
parentfc8eaf579e10ca996d886e2d2b811f3d373f2c41 (diff)
soc/intel/cannonlake: Use common GPIO driver
Change-Id: I0bbdd641244f0c7baaa2146dcfde6431bde387c5 Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/20074 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/cannonlake/gpio.c')
-rw-r--r--src/soc/intel/cannonlake/gpio.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/gpio.c b/src/soc/intel/cannonlake/gpio.c
new file mode 100644
index 0000000000..2dd90f9f01
--- /dev/null
+++ b/src/soc/intel/cannonlake/gpio.c
@@ -0,0 +1,98 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 - 2017 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <intelblocks/gpio.h>
+#include <intelblocks/pcr.h>
+#include <soc/pcr_ids.h>
+
+static const struct reset_mapping rst_map[] = {
+ { .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 0U << 30 },
+ { .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 },
+ { .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 },
+};
+
+static const struct reset_mapping rst_map_com0[] = {
+ { .logical = PAD_CFG0_LOGICAL_RESET_PWROK, .chipset = 0U << 30 },
+ { .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 },
+ { .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 },
+ { .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 3U << 30 },
+};
+
+static const struct pad_community cnl_communities[] = {
+ { /* GPP A, B, G */
+ .port = PID_GPIOCOM0,
+ .first_pad = GPP_A0,
+ .last_pad = GPP_G7,
+ .num_gpi_regs = NUM_GPIO_COM0_GPI_REGS,
+ .pad_cfg_base = PAD_CFG_BASE,
+ .host_own_reg_0 = HOSTSW_OWN_REG_0,
+ .gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+ .gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+ .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+ .name = "GPP_ABG",
+ .acpi_path = "\\_SB.PCI0.GPIO",
+ .reset_map = rst_map_com0,
+ .num_reset_vals = ARRAY_SIZE(rst_map_com0),
+ }, { /* GPP D, F, H */
+ .port = PID_GPIOCOM1,
+ .first_pad = GPP_D0,
+ .last_pad = GPP_H23,
+ .num_gpi_regs = NUM_GPIO_COM1_GPI_REGS,
+ .pad_cfg_base = PAD_CFG_BASE,
+ .host_own_reg_0 = HOSTSW_OWN_REG_0,
+ .gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+ .gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+ .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+ .name = "GPP_DFH",
+ .acpi_path = "\\_SB.PCI0.GPIO",
+ .reset_map = rst_map,
+ .num_reset_vals = ARRAY_SIZE(rst_map),
+ }, { /* GPD */
+ .port = PID_GPIOCOM2,
+ .first_pad = GPD0,
+ .last_pad = GPD11,
+ .num_gpi_regs = NUM_GPIO_COM2_GPI_REGS,
+ .pad_cfg_base = PAD_CFG_BASE,
+ .host_own_reg_0 = HOSTSW_OWN_REG_0,
+ .gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+ .gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+ .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+ .name = "GPD",
+ .acpi_path = "\\_SB.PCI0.GPIO",
+ .reset_map = rst_map,
+ .num_reset_vals = ARRAY_SIZE(rst_map),
+ }, { /* GPP C, E */
+ .port = PID_GPIOCOM3,
+ .first_pad = GPP_C0,
+ .last_pad = GPP_E23,
+ .num_gpi_regs = NUM_GPIO_COM3_GPI_REGS,
+ .pad_cfg_base = PAD_CFG_BASE,
+ .host_own_reg_0 = HOSTSW_OWN_REG_0,
+ .gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+ .gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+ .max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+ .name = "GPP_CE",
+ .acpi_path = "\\_SB.PCI0.GPIO",
+ .reset_map = rst_map,
+ .num_reset_vals = ARRAY_SIZE(rst_map),
+ }
+};
+
+const struct pad_community *soc_gpio_get_community(size_t *num_communities)
+{
+ *num_communities = ARRAY_SIZE(cnl_communities);
+ return cnl_communities;
+}