MIPS: Loongson-3: Move chipset ACPI code from drivers to arch

SB700/SB710/SB800 chipset ACPI code is mostly Loongson-3 specific
routines rather than a "platform driver".

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <sjhill@realitydiluted.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/11273/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 0 insertions, 155 deletions

diff --git a/drivers/platform/mips/Kconfig b/drivers/platform/mips/Kconfig
index 125e569017be..b3ae30a4c67b 100644
--- a/drivers/platform/mips/Kconfig
+++ b/drivers/platform/mips/Kconfig
@@ -15,10 +15,6 @@ menuconfig MIPS_PLATFORM_DEVICES
 
 if MIPS_PLATFORM_DEVICES
 
-config MIPS_ACPI
-        bool
-        default y if LOONGSON_MACH3X
-
 config CPU_HWMON
         tristate "Loongson CPU HWMon Driver"
         depends on LOONGSON_MACH3X
diff --git a/drivers/platform/mips/Makefile b/drivers/platform/mips/Makefile
index 43412849b195..8dfd03924c37 100644
--- a/drivers/platform/mips/Makefile
+++ b/drivers/platform/mips/Makefile
@@ -1,2 +1 @@
-obj-$(CONFIG_MIPS_ACPI) += acpi_init.o
 obj-$(CONFIG_CPU_HWMON) += cpu_hwmon.o
diff --git a/drivers/platform/mips/acpi_init.c b/drivers/platform/mips/acpi_init.c
deleted file mode 100644
index dbdad79ead8f..000000000000
--- a/drivers/platform/mips/acpi_init.c
+++ /dev/null
@@ -1,150 +0,0 @@
-#include <linux/io.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/export.h>
-
-#define SBX00_ACPI_IO_BASE 0x800
-#define SBX00_ACPI_IO_SIZE 0x100
-
-#define ACPI_PM_EVT_BLK         (SBX00_ACPI_IO_BASE + 0x00) /* 4 bytes */
-#define ACPI_PM_CNT_BLK         (SBX00_ACPI_IO_BASE + 0x04) /* 2 bytes */
-#define ACPI_PMA_CNT_BLK        (SBX00_ACPI_IO_BASE + 0x0F) /* 1 byte */
-#define ACPI_PM_TMR_BLK         (SBX00_ACPI_IO_BASE + 0x18) /* 4 bytes */
-#define ACPI_GPE0_BLK           (SBX00_ACPI_IO_BASE + 0x10) /* 8 bytes */
-#define ACPI_END                (SBX00_ACPI_IO_BASE + 0x80)
-
-#define PM_INDEX        0xCD6
-#define PM_DATA         0xCD7
-#define PM2_INDEX       0xCD0
-#define PM2_DATA        0xCD1
-
-/*
- * SCI interrupt need acpi space, allocate here
- */
-
-static int __init register_acpi_resource(void)
-{
-        request_region(SBX00_ACPI_IO_BASE, SBX00_ACPI_IO_SIZE, "acpi");
-        return 0;
-}
-
-static void pmio_write_index(u16 index, u8 reg, u8 value)
-{
-        outb(reg, index);
-        outb(value, index + 1);
-}
-
-static u8 pmio_read_index(u16 index, u8 reg)
-{
-        outb(reg, index);
-        return inb(index + 1);
-}
-
-void pm_iowrite(u8 reg, u8 value)
-{
-        pmio_write_index(PM_INDEX, reg, value);
-}
-EXPORT_SYMBOL(pm_iowrite);
-
-u8 pm_ioread(u8 reg)
-{
-        return pmio_read_index(PM_INDEX, reg);
-}
-EXPORT_SYMBOL(pm_ioread);
-
-void pm2_iowrite(u8 reg, u8 value)
-{
-        pmio_write_index(PM2_INDEX, reg, value);
-}
-EXPORT_SYMBOL(pm2_iowrite);
-
-u8 pm2_ioread(u8 reg)
-{
-        return pmio_read_index(PM2_INDEX, reg);
-}
-EXPORT_SYMBOL(pm2_ioread);
-
-static void acpi_hw_clear_status(void)
-{
-        u16 value;
-
-        /* PMStatus: Clear WakeStatus/PwrBtnStatus */
-        value = inw(ACPI_PM_EVT_BLK);
-        value |= (1 << 8 | 1 << 15);
-        outw(value, ACPI_PM_EVT_BLK);
-
-        /* GPEStatus: Clear all generated events */
-        outl(inl(ACPI_GPE0_BLK), ACPI_GPE0_BLK);
-}
-
-void acpi_registers_setup(void)
-{
-        u32 value;
-
-        /* PM Status Base */
-        pm_iowrite(0x20, ACPI_PM_EVT_BLK & 0xff);
-        pm_iowrite(0x21, ACPI_PM_EVT_BLK >> 8);
-
-        /* PM Control Base */
-        pm_iowrite(0x22, ACPI_PM_CNT_BLK & 0xff);
-        pm_iowrite(0x23, ACPI_PM_CNT_BLK >> 8);
-
-        /* GPM Base */
-        pm_iowrite(0x28, ACPI_GPE0_BLK & 0xff);
-        pm_iowrite(0x29, ACPI_GPE0_BLK >> 8);
-
-        /* ACPI End */
-        pm_iowrite(0x2e, ACPI_END & 0xff);
-        pm_iowrite(0x2f, ACPI_END >> 8);
-
-        /* IO Decode: When AcpiDecodeEnable set, South-Bridge uses the contents
-         * of the PM registers at index 0x20~0x2B to decode ACPI I/O address. */
-        pm_iowrite(0x0e, 1 << 3);
-
-        /* SCI_EN set */
-        outw(1, ACPI_PM_CNT_BLK);
-
-        /* Enable to generate SCI */
-        pm_iowrite(0x10, pm_ioread(0x10) | 1);
-
-        /* GPM3/GPM9 enable */
-        value = inl(ACPI_GPE0_BLK + 4);
-        outl(value | (1 << 14) | (1 << 22), ACPI_GPE0_BLK + 4);
-
-        /* Set GPM9 as input */
-        pm_iowrite(0x8d, pm_ioread(0x8d) & (~(1 << 1)));
-
-        /* Set GPM9 as non-output */
-        pm_iowrite(0x94, pm_ioread(0x94) | (1 << 3));
-
-        /* GPM3 config ACPI trigger SCIOUT */
-        pm_iowrite(0x33, pm_ioread(0x33) & (~(3 << 4)));
-
-        /* GPM9 config ACPI trigger SCIOUT */
-        pm_iowrite(0x3d, pm_ioread(0x3d) & (~(3 << 2)));
-
-        /* GPM3 config falling edge trigger */
-        pm_iowrite(0x37, pm_ioread(0x37) & (~(1 << 6)));
-
-        /* No wait for STPGNT# in ACPI Sx state */
-        pm_iowrite(0x7c, pm_ioread(0x7c) | (1 << 6));
-
-        /* Set GPM3 pull-down enable */
-        value = pm2_ioread(0xf6);
-        value |= ((1 << 7) | (1 << 3));
-        pm2_iowrite(0xf6, value);
-
-        /* Set GPM9 pull-down enable */
-        value = pm2_ioread(0xf8);
-        value |= ((1 << 5) | (1 << 1));
-        pm2_iowrite(0xf8, value);
-}
-
-int __init sbx00_acpi_init(void)
-{
-        register_acpi_resource();
-        acpi_registers_setup();
-        acpi_hw_clear_status();
-
-        return 0;
-}