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Commit c4e4d631 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

Merge branch 'acpi-soc' into pm-core

parents 4295733e d35818a9

arch/x86/Kconfig

+2 −1
Original line number Diff line number Diff line
@@ -523,9 +523,10 @@ config X86_INTEL_QUARK 


config X86_INTEL_LPSS

	bool "Intel Low Power Subsystem Support"

	depends on ACPI

	depends on X86 && ACPI

	select COMMON_CLK

	select PINCTRL

	select IOSF_MBI

	---help---

	  Select to build support for Intel Low Power Subsystem such as

	  found on Intel Lynxpoint PCH. Selecting this option enables

arch/x86/include/asm/iosf_mbi.h

+13 −38
Original line number Diff line number Diff line 
/*

 * iosf_mbi.h: Intel OnChip System Fabric MailBox access support

 * Intel OnChip System Fabric MailBox access support

 */



#ifndef IOSF_MBI_SYMS_H
@@ -16,6 +16,18 @@ 
#define MBI_MASK_LO		0x000000FF

#define MBI_ENABLE		0xF0



/* IOSF SB read/write opcodes */

#define MBI_MMIO_READ		0x00

#define MBI_MMIO_WRITE		0x01

#define MBI_CFG_READ		0x04

#define MBI_CFG_WRITE		0x05

#define MBI_CR_READ		0x06

#define MBI_CR_WRITE		0x07

#define MBI_REG_READ		0x10

#define MBI_REG_WRITE		0x11

#define MBI_ESRAM_READ		0x12

#define MBI_ESRAM_WRITE		0x13



/* Baytrail available units */

#define BT_MBI_UNIT_AUNIT	0x00

#define BT_MBI_UNIT_SMC		0x01
@@ -28,50 +40,13 @@ 
#define BT_MBI_UNIT_SATA	0xA3

#define BT_MBI_UNIT_PCIE	0xA6



/* Baytrail read/write opcodes */

#define BT_MBI_AUNIT_READ	0x10

#define BT_MBI_AUNIT_WRITE	0x11

#define BT_MBI_SMC_READ		0x10

#define BT_MBI_SMC_WRITE	0x11

#define BT_MBI_CPU_READ		0x10

#define BT_MBI_CPU_WRITE	0x11

#define BT_MBI_BUNIT_READ	0x10

#define BT_MBI_BUNIT_WRITE	0x11

#define BT_MBI_PMC_READ		0x06

#define BT_MBI_PMC_WRITE	0x07

#define BT_MBI_GFX_READ		0x00

#define BT_MBI_GFX_WRITE	0x01

#define BT_MBI_SMIO_READ	0x06

#define BT_MBI_SMIO_WRITE	0x07

#define BT_MBI_USB_READ		0x06

#define BT_MBI_USB_WRITE	0x07

#define BT_MBI_SATA_READ	0x00

#define BT_MBI_SATA_WRITE	0x01

#define BT_MBI_PCIE_READ	0x00

#define BT_MBI_PCIE_WRITE	0x01



/* Quark available units */

#define QRK_MBI_UNIT_HBA	0x00

#define QRK_MBI_UNIT_HB		0x03

#define QRK_MBI_UNIT_RMU	0x04

#define QRK_MBI_UNIT_MM		0x05

#define QRK_MBI_UNIT_MMESRAM	0x05

#define QRK_MBI_UNIT_SOC	0x31



/* Quark read/write opcodes */

#define QRK_MBI_HBA_READ	0x10

#define QRK_MBI_HBA_WRITE	0x11

#define QRK_MBI_HB_READ		0x10

#define QRK_MBI_HB_WRITE	0x11

#define QRK_MBI_RMU_READ	0x10

#define QRK_MBI_RMU_WRITE	0x11

#define QRK_MBI_MM_READ		0x10

#define QRK_MBI_MM_WRITE	0x11

#define QRK_MBI_MMESRAM_READ	0x12

#define QRK_MBI_MMESRAM_WRITE	0x13

#define QRK_MBI_SOC_READ	0x06

#define QRK_MBI_SOC_WRITE	0x07



#if IS_ENABLED(CONFIG_IOSF_MBI)



bool iosf_mbi_available(void);

arch/x86/platform/atom/punit_atom_debug.c

+2 −5
Original line number Diff line number Diff line
@@ -25,8 +25,6 @@ 
#include <asm/cpu_device_id.h>

#include <asm/iosf_mbi.h>



/* Side band Interface port */

#define PUNIT_PORT		0x04

/* Power gate status reg */

#define PWRGT_STATUS		0x61

/* Subsystem config/status Video processor */
@@ -85,9 +83,8 @@ static int punit_dev_state_show(struct seq_file *seq_file, void *unused) 


	seq_puts(seq_file, "\n\nPUNIT NORTH COMPLEX DEVICES :\n");

	while (punit_devp->name) {

		status = iosf_mbi_read(PUNIT_PORT, BT_MBI_PMC_READ,

				       punit_devp->reg,

				       &punit_pwr_status);

		status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,

				       punit_devp->reg, &punit_pwr_status);

		if (status) {

			seq_printf(seq_file, "%9s : Read Failed\n",

				   punit_devp->name);

arch/x86/platform/intel-quark/imr.c

+10 −18
Original line number Diff line number Diff line
@@ -111,23 +111,19 @@ static int imr_read(struct imr_device *idev, u32 imr_id, struct imr_regs *imr) 
	u32 reg = imr_id * IMR_NUM_REGS + idev->reg_base;

	int ret;



	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ,

				reg++, &imr->addr_lo);

	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->addr_lo);

	if (ret)

		return ret;



	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ,

				reg++, &imr->addr_hi);

	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->addr_hi);

	if (ret)

		return ret;



	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ,

				reg++, &imr->rmask);

	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->rmask);

	if (ret)

		return ret;



	return iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ,

				reg++, &imr->wmask);

	return iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->wmask);

}



/**
@@ -151,30 +147,26 @@ static int imr_write(struct imr_device *idev, u32 imr_id, 


	local_irq_save(flags);



	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE, reg++,

				imr->addr_lo);

	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->addr_lo);

	if (ret)

		goto failed;



	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE,

				reg++, imr->addr_hi);

	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->addr_hi);

	if (ret)

		goto failed;



	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE,

				reg++, imr->rmask);

	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->rmask);

	if (ret)

		goto failed;



	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE,

				reg++, imr->wmask);

	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->wmask);

	if (ret)

		goto failed;



	/* Lock bit must be set separately to addr_lo address bits. */

	if (lock) {

		imr->addr_lo |= IMR_LOCK;

		ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE,

		ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE,

				     reg - IMR_NUM_REGS, imr->addr_lo);

		if (ret)

			goto failed;

drivers/acpi/acpi_apd.c

+15 −1
Original line number Diff line number Diff line
@@ -51,7 +51,7 @@ struct apd_private_data { 
	const struct apd_device_desc *dev_desc;

};



#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE

#if defined(CONFIG_X86_AMD_PLATFORM_DEVICE) || defined(CONFIG_ARM64)

#define APD_ADDR(desc)	((unsigned long)&desc)



static int acpi_apd_setup(struct apd_private_data *pdata)
@@ -71,6 +71,7 @@ static int acpi_apd_setup(struct apd_private_data *pdata) 
	return 0;

}



#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE

static struct apd_device_desc cz_i2c_desc = {

	.setup = acpi_apd_setup,

	.fixed_clk_rate = 133000000,
@@ -80,6 +81,14 @@ static struct apd_device_desc cz_uart_desc = { 
	.setup = acpi_apd_setup,

	.fixed_clk_rate = 48000000,

};

#endif



#ifdef CONFIG_ARM64

static struct apd_device_desc xgene_i2c_desc = {

	.setup = acpi_apd_setup,

	.fixed_clk_rate = 100000000,

};

#endif



#else
@@ -132,9 +141,14 @@ static int acpi_apd_create_device(struct acpi_device *adev, 


static const struct acpi_device_id acpi_apd_device_ids[] = {

	/* Generic apd devices */

#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE

	{ "AMD0010", APD_ADDR(cz_i2c_desc) },

	{ "AMD0020", APD_ADDR(cz_uart_desc) },

	{ "AMD0030", },

#endif

#ifdef CONFIG_ARM64

	{ "APMC0D0F", APD_ADDR(xgene_i2c_desc) },

#endif

	{ }

};