x86: braswell: Add FSP configuration

Add FSP related configuration for Braswell.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

5 files changed, 637 insertions, 1 deletions

diff --git a/arch/x86/cpu/braswell/Makefile b/arch/x86/cpu/braswell/Makefile
index 19bcee6..ddf6d28 100644
--- a/arch/x86/cpu/braswell/Makefile
+++ b/arch/x86/cpu/braswell/Makefile
@@ -4,4 +4,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-y += braswell.o cpu.o early_uart.o
+obj-y += braswell.o cpu.o early_uart.o fsp_configs.o
diff --git a/arch/x86/cpu/braswell/fsp_configs.c b/arch/x86/cpu/braswell/fsp_configs.c
new file mode 100644
index 0000000..d984519
--- /dev/null
+++ b/arch/x86/cpu/braswell/fsp_configs.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <asm/fsp/fsp_support.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+ * Override the FSP's Azalia configuration data
+ *
+ * @azalia:	pointer to be updated to point to a ROM address where Azalia
+ *		configuration data is stored
+ */
+__weak void update_fsp_azalia_configs(struct azalia_config **azalia)
+{
+	*azalia = NULL;
+}
+
+/**
+ * Override the FSP's GPIO configuration data
+ *
+ * @family:	pointer to be updated to point to a ROM address where GPIO
+ *		family configuration data is stored
+ * @pad:	pointer to be updated to point to a ROM address where GPIO
+ *		pad configuration data is stored
+ */
+__weak void update_fsp_gpio_configs(struct gpio_family **family,
+				    struct gpio_pad **pad)
+{
+	*family = NULL;
+	*pad = NULL;
+}
+
+/**
+ * Override the FSP's configuration data.
+ * If the device tree does not specify an integer setting, use the default
+ * provided in Intel's Braswell release FSP/BraswellFsp.bsf file.
+ */
+void update_fsp_configs(struct fsp_config_data *config,
+			struct fspinit_rtbuf *rt_buf)
+{
+	struct upd_region *fsp_upd = &config->fsp_upd;
+	struct memory_upd *memory_upd = &fsp_upd->memory_upd;
+	struct silicon_upd *silicon_upd = &fsp_upd->silicon_upd;
+	const void *blob = gd->fdt_blob;
+	int node;
+
+	/* Initialize runtime buffer for fsp_init() */
+	rt_buf->common.stack_top = config->common.stack_top - 32;
+	rt_buf->common.boot_mode = config->common.boot_mode;
+	rt_buf->common.upd_data = &config->fsp_upd;
+
+	node = fdt_node_offset_by_compatible(blob, 0, "intel,braswell-fsp");
+	if (node < 0) {
+		debug("%s: Cannot find FSP node\n", __func__);
+		return;
+	}
+
+	node = fdt_node_offset_by_compatible(blob, node,
+					     "intel,braswell-fsp-memory");
+	if (node < 0) {
+		debug("%s: Cannot find FSP memory node\n", __func__);
+		return;
+	}
+
+	/* Override memory UPD contents */
+	memory_upd->mrc_init_tseg_size = fdtdec_get_int(blob, node,
+		"fsp,mrc-init-tseg-size", MRC_INIT_TSEG_SIZE_4MB);
+	memory_upd->mrc_init_mmio_size = fdtdec_get_int(blob, node,
+		"fsp,mrc-init-mmio-size", MRC_INIT_MMIO_SIZE_2048MB);
+	memory_upd->mrc_init_spd_addr1 = fdtdec_get_int(blob, node,
+		"fsp,mrc-init-spd-addr1", 0xa0);
+	memory_upd->mrc_init_spd_addr2 = fdtdec_get_int(blob, node,
+		"fsp,mrc-init-spd-addr2", 0xa2);
+	memory_upd->igd_dvmt50_pre_alloc = fdtdec_get_int(blob, node,
+		"fsp,igd-dvmt50-pre-alloc", IGD_DVMT50_PRE_ALLOC_32MB);
+	memory_upd->aperture_size = fdtdec_get_int(blob, node,
+		"fsp,aperture-size", APERTURE_SIZE_256MB);
+	memory_upd->gtt_size = fdtdec_get_int(blob, node,
+		"fsp,gtt-size", GTT_SIZE_1MB);
+	memory_upd->legacy_seg_decode = fdtdec_get_bool(blob, node,
+		"fsp,legacy-seg-decode");
+	memory_upd->enable_dvfs = fdtdec_get_bool(blob, node,
+		"fsp,enable-dvfs");
+	memory_upd->memory_type = fdtdec_get_int(blob, node,
+		"fsp,memory-type", DRAM_TYPE_DDR3);
+	memory_upd->enable_ca_mirror = fdtdec_get_bool(blob, node,
+		"fsp,enable-ca-mirror");
+
+	node = fdt_node_offset_by_compatible(blob, node,
+					     "intel,braswell-fsp-silicon");
+	if (node < 0) {
+		debug("%s: Cannot find FSP silicon node\n", __func__);
+		return;
+	}
+
+	/* Override silicon UPD contents */
+	silicon_upd->sdcard_mode = fdtdec_get_int(blob, node,
+		"fsp,sdcard-mode", SDCARD_MODE_PCI);
+	silicon_upd->enable_hsuart0 = fdtdec_get_bool(blob, node,
+		"fsp,enable-hsuart0");
+	silicon_upd->enable_hsuart1 = fdtdec_get_bool(blob, node,
+		"fsp,enable-hsuart1");
+	silicon_upd->enable_azalia = fdtdec_get_bool(blob, node,
+		"fsp,enable-azalia");
+	if (silicon_upd->enable_azalia)
+		update_fsp_azalia_configs(&silicon_upd->azalia_cfg_ptr);
+	silicon_upd->enable_sata = fdtdec_get_bool(blob, node,
+		"fsp,enable-sata");
+	silicon_upd->enable_xhci = fdtdec_get_bool(blob, node,
+		"fsp,enable-xhci");
+	silicon_upd->lpe_mode = fdtdec_get_int(blob, node,
+		"fsp,lpe-mode", LPE_MODE_PCI);
+	silicon_upd->enable_dma0 = fdtdec_get_bool(blob, node,
+		"fsp,enable-dma0");
+	silicon_upd->enable_dma1 = fdtdec_get_bool(blob, node,
+		"fsp,enable-dma1");
+	silicon_upd->enable_i2c0 = fdtdec_get_bool(blob, node,
+		"fsp,enable-i2c0");
+	silicon_upd->enable_i2c1 = fdtdec_get_bool(blob, node,
+		"fsp,enable-i2c1");
+	silicon_upd->enable_i2c2 = fdtdec_get_bool(blob, node,
+		"fsp,enable-i2c2");
+	silicon_upd->enable_i2c3 = fdtdec_get_bool(blob, node,
+		"fsp,enable-i2c3");
+	silicon_upd->enable_i2c4 = fdtdec_get_bool(blob, node,
+		"fsp,enable-i2c4");
+	silicon_upd->enable_i2c5 = fdtdec_get_bool(blob, node,
+		"fsp,enable-i2c5");
+	silicon_upd->enable_i2c6 = fdtdec_get_bool(blob, node,
+		"fsp,enable-i2c6");
+#ifdef CONFIG_HAVE_VBT
+	silicon_upd->graphics_config_ptr = CONFIG_VBT_ADDR;
+#endif
+	update_fsp_gpio_configs(&silicon_upd->gpio_familiy_ptr,
+				&silicon_upd->gpio_pad_ptr);
+	silicon_upd->emmc_mode = fdtdec_get_int(blob, node,
+		"fsp,emmc-mode", EMMC_MODE_PCI);
+	silicon_upd->sata_speed = fdtdec_get_int(blob, node,
+		"fsp,sata-speed", SATA_SPEED_GEN3);
+	silicon_upd->pmic_i2c_bus = fdtdec_get_int(blob, node,
+		"fsp,pmic-i2c-bus", 0);
+	silicon_upd->enable_isp = fdtdec_get_bool(blob, node,
+		"fsp,enable-isp");
+	silicon_upd->isp_pci_dev_config = fdtdec_get_int(blob, node,
+		"fsp,isp-pci-dev-config", ISP_PCI_DEV_CONFIG_2);
+	silicon_upd->turbo_mode = fdtdec_get_bool(blob, node,
+		"fsp,turbo-mode");
+	silicon_upd->pnp_settings = fdtdec_get_int(blob, node,
+		"fsp,pnp-settings", PNP_SETTING_POWER_AND_PERF);
+	silicon_upd->sd_detect_chk = fdtdec_get_bool(blob, node,
+		"fsp,sd-detect-chk");
+}
diff --git a/arch/x86/include/asm/arch-braswell/fsp/fsp_configs.h b/arch/x86/include/asm/arch-braswell/fsp/fsp_configs.h
new file mode 100644
index 0000000..4b8521d
--- /dev/null
+++ b/arch/x86/include/asm/arch-braswell/fsp/fsp_configs.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __FSP_CONFIGS_H__
+#define __FSP_CONFIGS_H__
+
+#ifndef __ASSEMBLY__
+struct fsp_config_data {
+	struct fsp_cfg_common	common;
+	struct upd_region	fsp_upd;
+};
+
+struct fspinit_rtbuf {
+	struct common_buf	common;	/* FSP common runtime data structure */
+};
+#endif
+
+/* FSP user configuration settings */
+
+#define MRC_INIT_TSEG_SIZE_1MB		1
+#define MRC_INIT_TSEG_SIZE_2MB		2
+#define MRC_INIT_TSEG_SIZE_4MB		4
+#define MRC_INIT_TSEG_SIZE_8MB		8
+
+#define MRC_INIT_MMIO_SIZE_1024MB	0x400
+#define MRC_INIT_MMIO_SIZE_1536MB	0x600
+#define MRC_INIT_MMIO_SIZE_2048MB	0x800
+
+#define IGD_DVMT50_PRE_ALLOC_32MB	0x01
+#define IGD_DVMT50_PRE_ALLOC_64MB	0x02
+#define IGD_DVMT50_PRE_ALLOC_96MB	0x03
+#define IGD_DVMT50_PRE_ALLOC_128MB	0x04
+#define IGD_DVMT50_PRE_ALLOC_160MB	0x05
+#define IGD_DVMT50_PRE_ALLOC_192MB	0x06
+#define IGD_DVMT50_PRE_ALLOC_224MB	0x07
+#define IGD_DVMT50_PRE_ALLOC_256MB	0x08
+#define IGD_DVMT50_PRE_ALLOC_288MB	0x09
+#define IGD_DVMT50_PRE_ALLOC_320MB	0x0a
+#define IGD_DVMT50_PRE_ALLOC_352MB	0x0b
+#define IGD_DVMT50_PRE_ALLOC_384MB	0x0c
+#define IGD_DVMT50_PRE_ALLOC_416MB	0x0d
+#define IGD_DVMT50_PRE_ALLOC_448MB	0x0e
+#define IGD_DVMT50_PRE_ALLOC_480MB	0x0f
+#define IGD_DVMT50_PRE_ALLOC_512MB	0x10
+
+#define APERTURE_SIZE_128MB		1
+#define APERTURE_SIZE_256MB		2
+#define APERTURE_SIZE_512MB		3
+
+#define GTT_SIZE_1MB			1
+#define GTT_SIZE_2MB			2
+
+#define DRAM_TYPE_DDR3			0
+#define DRAM_TYPE_LPDDR3		1
+
+#define SDCARD_MODE_DISABLED		0
+#define SDCARD_MODE_PCI			1
+#define SDCARD_MODE_ACPI		2
+
+#define LPE_MODE_DISABLED		0
+#define LPE_MODE_PCI			1
+#define LPE_MODE_ACPI			2
+
+#define CHV_SVID_CONFIG_0		0
+#define CHV_SVID_CONFIG_1		1
+#define CHV_SVID_CONFIG_2		2
+#define CHV_SVID_CONFIG_3		3
+
+#define EMMC_MODE_DISABLED		0
+#define EMMC_MODE_PCI			1
+#define EMMC_MODE_ACPI			2
+
+#define SATA_SPEED_GEN1			1
+#define SATA_SPEED_GEN2			2
+#define SATA_SPEED_GEN3			3
+
+#define ISP_PCI_DEV_CONFIG_1		1
+#define ISP_PCI_DEV_CONFIG_2		2
+#define ISP_PCI_DEV_CONFIG_3		3
+
+#define PNP_SETTING_DISABLED		0
+#define PNP_SETTING_POWER		1
+#define PNP_SETTING_PERF		2
+#define PNP_SETTING_POWER_AND_PERF	3
+
+#endif /* __FSP_CONFIGS_H__ */
diff --git a/arch/x86/include/asm/arch-braswell/fsp/fsp_vpd.h b/arch/x86/include/asm/arch-braswell/fsp/fsp_vpd.h
new file mode 100644
index 0000000..ecb01fa
--- /dev/null
+++ b/arch/x86/include/asm/arch-braswell/fsp/fsp_vpd.h
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2015, Intel Corporation
+ * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	Intel
+ */
+
+#ifndef __FSP_VPD_H__
+#define __FSP_VPD_H__
+
+struct __packed memory_upd {
+	u64 signature;				/* Offset 0x0020 */
+	u8 revision;				/* Offset 0x0028 */
+	u8 unused2[7];				/* Offset 0x0029 */
+	u16 mrc_init_tseg_size;			/* Offset 0x0030 */
+	u16 mrc_init_mmio_size;			/* Offset 0x0032 */
+	u8 mrc_init_spd_addr1;			/* Offset 0x0034 */
+	u8 mrc_init_spd_addr2;			/* Offset 0x0035 */
+	u8 mem_ch0_config;			/* Offset 0x0036 */
+	u8 mem_ch1_config;			/* Offset 0x0037 */
+	u32 memory_spd_ptr;			/* Offset 0x0038 */
+	u8 igd_dvmt50_pre_alloc;		/* Offset 0x003c */
+	u8 aperture_size;			/* Offset 0x003d */
+	u8 gtt_size;				/* Offset 0x003e */
+	u8 legacy_seg_decode;			/* Offset 0x003f */
+	u8 enable_dvfs;				/* Offset 0x0040 */
+	u8 memory_type;				/* Offset 0x0041 */
+	u8 enable_ca_mirror;			/* Offset 0x0042 */
+	u8 reserved[189];			/* Offset 0x0043 */
+};
+
+struct __packed azalia_verb_table_header {
+	u32 vendor_device_id;
+	u16 sub_system_id;
+	u8 revision_id;
+	u8 front_panel_support;
+	u16 number_of_rear_jacks;
+	u16 number_of_front_jacks;
+};
+
+struct __packed azalia_verb_table {
+	struct azalia_verb_table_header header;
+	u32 *data;
+};
+
+struct __packed azalia_config {
+	u8 pme_enable:1;
+	u8 docking_supported:1;
+	u8 docking_attached:1;
+	u8 hdmi_codec_enable:1;
+	u8 azalia_v_ci_enable:1;
+	u8 reserved:3;
+	u8 verb_table_num;
+	struct azalia_verb_table *verb_table;
+	u16 reset_wait_timer_ms;
+};
+
+struct gpio_family {
+	u32 confg;
+	u32 confg_changes;
+	u32 misc;
+	u32 mmio_addr;
+	wchar_t *name;
+};
+
+struct gpio_pad {
+	u32 confg0;
+	u32 confg0_changes;
+	u32 confg1;
+	u32 confg1_changes;
+	u32 community;
+	u32 mmio_addr;
+	wchar_t *name;
+	u32 misc;
+};
+
+struct __packed silicon_upd {
+	u64 signature;				/* Offset 0x0100 */
+	u8 revision;				/* Offset 0x0108 */
+	u8 unused3[7];				/* Offset 0x0109 */
+	u8 sdcard_mode;				/* Offset 0x0110 */
+	u8 enable_hsuart0;			/* Offset 0x0111 */
+	u8 enable_hsuart1;			/* Offset 0x0112 */
+	u8 enable_azalia;			/* Offset 0x0113 */
+	struct azalia_config *azalia_cfg_ptr;	/* Offset 0x0114 */
+	u8 enable_sata;				/* Offset 0x0118 */
+	u8 enable_xhci;				/* Offset 0x0119 */
+	u8 lpe_mode;				/* Offset 0x011a */
+	u8 enable_dma0;				/* Offset 0x011b */
+	u8 enable_dma1;				/* Offset 0x011c */
+	u8 enable_i2c0;				/* Offset 0x011d */
+	u8 enable_i2c1;				/* Offset 0x011e */
+	u8 enable_i2c2;				/* Offset 0x011f */
+	u8 enable_i2c3;				/* Offset 0x0120 */
+	u8 enable_i2c4;				/* Offset 0x0121 */
+	u8 enable_i2c5;				/* Offset 0x0122 */
+	u8 enable_i2c6;				/* Offset 0x0123 */
+	u32 graphics_config_ptr;		/* Offset 0x0124 */
+	struct gpio_family *gpio_familiy_ptr;	/* Offset 0x0128 */
+	struct gpio_pad *gpio_pad_ptr;		/* Offset 0x012c */
+	u8 disable_punit_pwr_config;		/* Offset 0x0130 */
+	u8 chv_svid_config;			/* Offset 0x0131 */
+	u8 disable_dptf;			/* Offset 0x0132 */
+	u8 emmc_mode;				/* Offset 0x0133 */
+	u8 usb3_clk_ssc;			/* Offset 0x0134 */
+	u8 disp_clk_ssc;			/* Offset 0x0135 */
+	u8 sata_clk_ssc;			/* Offset 0x0136 */
+	u8 usb2_port0_pe_txi_set;		/* Offset 0x0137 */
+	u8 usb2_port0_txi_set;			/* Offset 0x0138 */
+	u8 usb2_port0_tx_emphasis_en;		/* Offset 0x0139 */
+	u8 usb2_port0_tx_pe_half;		/* Offset 0x013a */
+	u8 usb2_port1_pe_txi_set;		/* Offset 0x013b */
+	u8 usb2_port1_txi_set;			/* Offset 0x013c */
+	u8 usb2_port1_tx_emphasis_en;		/* Offset 0x013d */
+	u8 usb2_port1_tx_pe_half;		/* Offset 0x013e */
+	u8 usb2_port2_pe_txi_set;		/* Offset 0x013f */
+	u8 usb2_port2_txi_set;			/* Offset 0x0140 */
+	u8 usb2_port2_tx_emphasis_en;		/* Offset 0x0141 */
+	u8 usb2_port2_tx_pe_half;		/* Offset 0x0142 */
+	u8 usb2_port3_pe_txi_set;		/* Offset 0x0143 */
+	u8 usb2_port3_txi_set;			/* Offset 0x0144 */
+	u8 usb2_port3_tx_emphasis_en;		/* Offset 0x0145 */
+	u8 usb2_port3_tx_pe_half;		/* Offset 0x0146 */
+	u8 usb2_port4_pe_txi_set;		/* Offset 0x0147 */
+	u8 usb2_port4_txi_set;			/* Offset 0x0148 */
+	u8 usb2_port4_tx_emphasis_en;		/* Offset 0x0149 */
+	u8 usb2_port4_tx_pe_half;		/* Offset 0x014a */
+	u8 usb3_lane0_ow2tap_gen2_deemph3p5;	/* Offset 0x014b */
+	u8 usb3_lane1_ow2tap_gen2_deemph3p5;	/* Offset 0x014c */
+	u8 usb3_lane2_ow2tap_gen2_deemph3p5;	/* Offset 0x014d */
+	u8 usb3_lane3_ow2tap_gen2_deemph3p5;	/* Offset 0x014e */
+	u8 sata_speed;				/* Offset 0x014f */
+	u8 usb_ssic_port;			/* Offset 0x0150 */
+	u8 usb_hsic_port;			/* Offset 0x0151 */
+	u8 pcie_rootport_speed;			/* Offset 0x0152 */
+	u8 enable_ssic;				/* Offset 0x0153 */
+	u32 logo_ptr;				/* Offset 0x0154 */
+	u32 logo_size;				/* Offset 0x0158 */
+	u8 rtc_lock;				/* Offset 0x015c */
+	u8 pmic_i2c_bus;			/* Offset 0x015d */
+	u8 enable_isp;				/* Offset 0x015e */
+	u8 isp_pci_dev_config;			/* Offset 0x015f */
+	u8 turbo_mode;				/* Offset 0x0160 */
+	u8 pnp_settings;			/* Offset 0x0161 */
+	u8 sd_detect_chk;			/* Offset 0x0162 */
+	u8 reserved[411];			/* Offset 0x0163 */
+};
+
+#define MEMORY_UPD_ID	0x244450554d454d24	/* '$MEMUPD$' */
+#define SILICON_UPD_ID	0x244450555f495324	/* '$SI_UPD$' */
+
+struct __packed upd_region {
+	u64 signature;				/* Offset 0x0000 */
+	u8 revision;				/* Offset 0x0008 */
+	u8 unused0[7];				/* Offset 0x0009 */
+	u32 memory_upd_offset;			/* Offset 0x0010 */
+	u32 silicon_upd_offset;			/* Offset 0x0014 */
+	u64 unused1;				/* Offset 0x0018 */
+	struct memory_upd memory_upd;		/* Offset 0x0020 */
+	struct silicon_upd silicon_upd;		/* Offset 0x0100 */
+	u16 terminator;				/* Offset 0x02fe */
+};
+
+#define VPD_IMAGE_ID	0x2450534657534224	/* '$BSWFSP$' */
+
+struct __packed vpd_region {
+	u64 sign;				/* Offset 0x0000 */
+	u32 img_rev;				/* Offset 0x0008 */
+	u32 upd_offset;				/* Offset 0x000c */
+};
+
+#endif /* __FSP_VPD_H__ */
diff --git a/arch/x86/include/asm/arch-braswell/gpio.h b/arch/x86/include/asm/arch-braswell/gpio.h
new file mode 100644
index 0000000..5f1252f
--- /dev/null
+++ b/arch/x86/include/asm/arch-braswell/gpio.h
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * From coreboot src/soc/intel/braswell/include/soc/gpio.h
+ */
+
+#ifndef _BRASWELL_GPIO_H_
+#define _BRASWELL_GPIO_H_
+
+#include <asm/arch/iomap.h>
+
+enum mode_list {
+	M0,
+	M1,
+	M2,
+	M3,
+	M4,
+	M5,
+	M6,
+	M7,
+	M8,
+	M9,
+	M10,
+	M11,
+	M12,
+	M13,
+};
+
+enum int_select {
+	L0,
+	L1,
+	L2,
+	L3,
+	L4,
+	L5,
+	L6,
+	L7,
+	L8,
+	L9,
+	L10,
+	L11,
+	L12,
+	L13,
+	L14,
+	L15,
+};
+
+enum gpio_en {
+	NATIVE = 0xff,
+	GPIO = 0,	/* Native, no need to set PAD_VALUE */
+	GPO = 1,	/* GPO, output only in PAD_VALUE */
+	GPI = 2,	/* GPI, input only in PAD_VALUE */
+	HI_Z = 3,
+	NA_GPO = 0,
+};
+
+enum gpio_state {
+	LOW,
+	HIGH,
+};
+
+enum en_dis {
+	DISABLE,	/* Disable */
+	ENABLE,		/* Enable */
+};
+
+enum int_type {
+	INT_DIS,
+	TRIG_EDGE_LOW,
+	TRIG_EDGE_HIGH,
+	TRIG_EDGE_BOTH,
+	TRIG_LEVEL,
+};
+
+enum mask {
+	MASKABLE,
+	NON_MASKABLE,
+};
+
+enum glitch_cfg {
+	GLITCH_DISABLE,
+	EN_EDGE_DETECT,
+	EN_RX_DATA,
+	EN_EDGE_RX_DATA,
+};
+
+enum inv_rx_tx {
+	NO_INVERSION = 0,
+	INV_RX_ENABLE = 1,
+	INV_TX_ENABLE = 2,
+	INV_RX_TX_ENABLE = 3,
+	INV_RX_DATA = 4,
+	INV_TX_DATA = 8,
+};
+
+enum voltage {
+	VOLT_3_3,	/* Working on 3.3 Volts */
+	VOLT_1_8,	/* Working on 1.8 Volts */
+};
+
+enum hs_mode {
+	DISABLE_HS,	/* Disable high speed mode */
+	ENABLE_HS,	/* Enable high speed mode */
+};
+
+enum odt_up_dn {
+	PULL_UP,	/* On Die Termination Up */
+	PULL_DOWN,	/* On Die Termination Down */
+};
+
+enum odt_en {
+	DISABLE_OD,	/* On Die Termination Disable */
+	ENABLE_OD,	/* On Die Termination Enable */
+};
+
+enum pull_type {
+	P_NONE  = 0,	/* Pull None */
+	P_20K_L = 1,	/* Pull Down 20K */
+	P_5K_L  = 2,	/* Pull Down  5K */
+	P_1K_L  = 4,	/* Pull Down  1K */
+	P_20K_H = 9,	/* Pull Up 20K */
+	P_5K_H  = 10,	/* Pull Up  5K */
+	P_1K_H  = 12	/* Pull Up  1K */
+};
+
+enum bit {
+	ONE_BIT = 1,
+	TWO_BIT = 3,
+	THREE_BIT = 7,
+	FOUR_BIT = 15,
+	FIVE_BIT = 31,
+	SIX_BIT = 63,
+	SEVEN_BIT = 127,
+	EIGHT_BIT = 255
+};
+
+enum gpe_config {
+	GPE,
+	SMI,
+	SCI,
+};
+
+enum community {
+	SOUTHWEST = 0x0000,
+	NORTH = 0x8000,
+	EAST = 0x10000,
+	SOUTHEAST = 0x18000,
+	VIRTUAL = 0x20000,
+};
+
+#define NA		0xff
+#define TERMINATOR	0xffffffff
+
+#define GPIO_FAMILY_CONF(family_name, park_mode, hysctl, vp18_mode, hs_mode, \
+	odt_up_dn, odt_en, curr_src_str, rcomp, family_no, community_offset) { \
+	.confg = ((((park_mode) != NA) ? park_mode << 26 : 0) | \
+		  (((hysctl) != NA) ? hysctl << 24 : 0) | \
+		  (((vp18_mode) != NA) ? vp18_mode << 21 : 0) | \
+		  (((hs_mode) != NA) ? hs_mode << 19 : 0) | \
+		  (((odt_up_dn) != NA) ? odt_up_dn << 18 : 0) | \
+		  (((odt_en) != NA) ? odt_en << 17 : 0) | \
+		  (curr_src_str)), \
+	.confg_changes = ((((park_mode) != NA) ? ONE_BIT << 26 : 0) | \
+			  (((hysctl) != NA) ? TWO_BIT << 24 : 0) | \
+			  (((vp18_mode) != NA) ? ONE_BIT  << 21 : 0) | \
+			  (((hs_mode) != NA) ? ONE_BIT << 19 : 0) | \
+			  (((odt_up_dn) != NA) ? ONE_BIT << 18 : 0) | \
+			  (((odt_en) != NA) ? ONE_BIT << 17 : 0) | \
+			  (THREE_BIT)), \
+	.misc = ((rcomp == ENABLE) ? 1 : 0) , \
+	.mmio_addr = (community_offset == TERMINATOR) ? TERMINATOR : \
+		     ((family_no != NA) ? (IO_BASE_ADDRESS + community_offset +\
+		     (0x80 * family_no) + 0x1080) : 0) , \
+	.name = 0 \
+}
+
+#define GPIO_PAD_CONF(pad_name, mode_select, mode, gpio_config, gpio_state, \
+	gpio_light_mode, int_type, int_sel, term, open_drain, current_source,\
+	int_mask, glitch, inv_rx_tx, wake_mask, wake_mask_bit, gpe, \
+	mmio_offset, community_offset) { \
+	.confg0 = ((((int_sel) != NA) ? (int_sel << 28) : 0) | \
+		   (((glitch) != NA) ? (glitch << 26) : 0) | \
+		   (((term) != NA) ? (term << 20) : 0) | \
+		   (((mode_select) == GPIO) ? ((mode << 16) | (1 << 15)) : \
+		    ((mode << 16))) | \
+		   (((gpio_config) != NA) ? (gpio_config << 8) : 0) | \
+		   (((gpio_light_mode) != NA) ? (gpio_light_mode << 7) : 0) | \
+		   (((gpio_state) == HIGH) ? 2 : 0)), \
+	.confg0_changes = ((((int_sel) != NA) ? (FOUR_BIT << 28) : 0) | \
+			   (((glitch) != NA) ? (TWO_BIT << 26) : 0) | \
+			   (((term) != NA) ? (FOUR_BIT << 20) : 0) | \
+			   (FIVE_BIT << 15) | \
+			   (((gpio_config) != NA) ? (THREE_BIT << 8) : 0) | \
+			   (((gpio_light_mode) != NA) ? (ONE_BIT << 7) : 0) | \
+			   (((gpio_state) != NA) ? ONE_BIT << 1 : 0)), \
+	.confg1  = ((((current_source) != NA) ? (current_source << 27) : 0) | \
+		    (((inv_rx_tx) != NA) ? inv_rx_tx << 4 : 0) | \
+		    (((open_drain) != NA) ? open_drain << 3 : 0) | \
+		    (((int_type) != NA) ? int_type : 0)), \
+	.confg1_changes = ((((current_source) != NA) ? (ONE_BIT << 27) : 0) | \
+			   (((inv_rx_tx) != NA) ? FOUR_BIT << 4 : 0) | \
+			   (((open_drain) != NA) ? ONE_BIT << 3 : 0) | \
+			   (((int_type) != NA) ? THREE_BIT : 0)), \
+	.community = community_offset, \
+	.mmio_addr = (community_offset == TERMINATOR) ? TERMINATOR : \
+		     ((mmio_offset != NA) ? (IO_BASE_ADDRESS + \
+		      community_offset + mmio_offset) : 0), \
+	.name = 0, \
+	.misc = ((((gpe) != NA) ? (gpe << 0) : 0) | \
+		 (((wake_mask) != NA) ? (wake_mask << 2) : 0) | \
+		 (((int_mask) != NA) ? (int_mask << 3) : 0)) | \
+		 (((wake_mask_bit) != NA) ? (wake_mask_bit << 4) : (NA << 4)) \
+}
+
+#endif /* _BRASWELL_GPIO_H_ */