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Diffstat (limited to 'arch/x86/include/asm/arch-broadwell/gpio.h')
-rw-r--r--arch/x86/include/asm/arch-broadwell/gpio.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-broadwell/gpio.h b/arch/x86/include/asm/arch-broadwell/gpio.h
new file mode 100644
index 0000000..a32e2db
--- /dev/null
+++ b/arch/x86/include/asm/arch-broadwell/gpio.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2016 Google, Inc
+ *
+ * From Coreboot src/soc/intel/broadwell/include/soc/gpio.h
+ */
+
+#ifndef __ASM_ARCH_GPIO
+#define __ASM_ARCH_GPIO
+
+#define GPIO_PER_BANK 32
+#define GPIO_BANKS 3
+
+struct broadwell_bank_platdata {
+ uint16_t base_addr;
+ const char *bank_name;
+ int bank;
+};
+
+/* PCH-LP GPIOBASE Registers */
+struct pch_lp_gpio_regs {
+ u32 own[GPIO_BANKS];
+ u32 reserved0;
+
+ u16 pirq_to_ioxapic;
+ u16 reserved1[3];
+ u32 blink;
+ u32 ser_blink;
+
+ u32 ser_blink_cmdsts;
+ u32 ser_blink_data;
+ u16 gpi_nmi_en;
+ u16 gpi_nmi_sts;
+ u32 reserved2;
+
+ u32 gpi_route[GPIO_BANKS];
+ u32 reserved3;
+
+ u32 reserved4[4];
+
+ u32 alt_gpi_smi_sts;
+ u32 alt_gpi_smi_en;
+ u32 reserved5[2];
+
+ u32 rst_sel[GPIO_BANKS];
+ u32 reserved6;
+
+ u32 reserved9[3];
+ u32 gpio_gc;
+
+ u32 gpi_is[GPIO_BANKS];
+ u32 reserved10;
+
+ u32 gpi_ie[GPIO_BANKS];
+ u32 reserved11;
+
+ u32 reserved12[24];
+
+ struct {
+ u32 conf_a;
+ u32 conf_b;
+ } config[GPIO_BANKS * GPIO_PER_BANK];
+};
+check_member(pch_lp_gpio_regs, gpi_ie[0], 0x90);
+check_member(pch_lp_gpio_regs, config[0], 0x100);
+
+enum {
+ CONFA_MODE_SHIFT = 0,
+ CONFA_MODE_GPIO = 1 << CONFA_MODE_SHIFT,
+
+ CONFA_DIR_SHIFT = 2,
+ CONFA_DIR_INPUT = 1 << CONFA_DIR_SHIFT,
+
+ CONFA_INVERT_SHIFT = 3,
+ CONFA_INVERT = 1 << CONFA_INVERT_SHIFT,
+
+ CONFA_TRIGGER_SHIFT = 4,
+ CONFA_TRIGGER_LEVEL = 1 << CONFA_TRIGGER_SHIFT,
+
+ CONFA_LEVEL_SHIFT = 30,
+ CONFA_LEVEL_HIGH = 1UL << CONFA_LEVEL_SHIFT,
+
+ CONFA_OUTPUT_SHIFT = 31,
+ CONFA_OUTPUT_HIGH = 1UL << CONFA_OUTPUT_SHIFT,
+
+ CONFB_SENSE_SHIFT = 2,
+ CONFB_SENSE_DISABLE = 1 << CONFB_SENSE_SHIFT,
+};
+
+#endif