Merge branch 'master' of git://git.denx.de/u-boot-rockchip
diff --git a/arch/Kconfig b/arch/Kconfig
index dd5a887..cbeb9f6 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -118,6 +118,8 @@
imply DM_SPI_FLASH
imply DM_USB
imply DM_VIDEO
+ imply SYSRESET
+ imply SYSRESET_X86
imply CMD_FPGA_LOADMK
imply CMD_GETTIME
imply CMD_IO
diff --git a/arch/x86/cpu/baytrail/valleyview.c b/arch/x86/cpu/baytrail/valleyview.c
index b7d481a..8882a76 100644
--- a/arch/x86/cpu/baytrail/valleyview.c
+++ b/arch/x86/cpu/baytrail/valleyview.c
@@ -55,9 +55,3 @@
return 0;
}
-
-void reset_cpu(ulong addr)
-{
- /* cold reset */
- x86_full_reset();
-}
diff --git a/arch/x86/cpu/braswell/braswell.c b/arch/x86/cpu/braswell/braswell.c
index 32a6a5e..7a83b06 100644
--- a/arch/x86/cpu/braswell/braswell.c
+++ b/arch/x86/cpu/braswell/braswell.c
@@ -27,9 +27,3 @@
return 0;
}
-
-void reset_cpu(ulong addr)
-{
- /* cold reset */
- x86_full_reset();
-}
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 6aefa12..290ee08 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -24,6 +24,7 @@
#include <errno.h>
#include <malloc.h>
#include <syscon.h>
+#include <asm/acpi.h>
#include <asm/acpi_s3.h>
#include <asm/acpi_table.h>
#include <asm/control_regs.h>
@@ -75,37 +76,11 @@
}
int init_cache(void) __attribute__((weak, alias("x86_init_cache")));
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- printf("resetting ...\n");
-
- /* wait 50 ms */
- udelay(50000);
- disable_interrupts();
- reset_cpu(0);
-
- /*NOTREACHED*/
- return 0;
-}
-
void flush_cache(unsigned long dummy1, unsigned long dummy2)
{
asm("wbinvd\n");
}
-__weak void reset_cpu(ulong addr)
-{
- /* Do a hard reset through the chipset's reset control register */
- outb(SYS_RST | RST_CPU, IO_PORT_RESET);
- for (;;)
- cpu_hlt();
-}
-
-void x86_full_reset(void)
-{
- outb(FULL_RST | SYS_RST | RST_CPU, IO_PORT_RESET);
-}
-
/* Define these functions to allow ehch-hcd to function */
void flush_dcache_range(unsigned long start, unsigned long stop)
{
@@ -204,17 +179,32 @@
int last_stage_init(void)
{
+ struct acpi_fadt __maybe_unused *fadt;
+
board_final_cleanup();
-#if CONFIG_HAVE_ACPI_RESUME
- struct acpi_fadt *fadt = acpi_find_fadt();
+#ifdef CONFIG_HAVE_ACPI_RESUME
+ fadt = acpi_find_fadt();
- if (fadt != NULL && gd->arch.prev_sleep_state == ACPI_S3)
+ if (fadt && gd->arch.prev_sleep_state == ACPI_S3)
acpi_resume(fadt);
#endif
write_tables();
+#ifdef CONFIG_GENERATE_ACPI_TABLE
+ fadt = acpi_find_fadt();
+
+ /* Don't touch ACPI hardware on HW reduced platforms */
+ if (fadt && !(fadt->flags & ACPI_FADT_HW_REDUCED_ACPI)) {
+ /*
+ * Other than waiting for OSPM to request us to switch to ACPI
+ * mode, do it by ourselves, since SMI will not be triggered.
+ */
+ enter_acpi_mode(fadt->pm1a_cnt_blk);
+ }
+#endif
+
return 0;
}
#endif
diff --git a/arch/x86/cpu/ivybridge/early_me.c b/arch/x86/cpu/ivybridge/early_me.c
index 1a15229..219d5be 100644
--- a/arch/x86/cpu/ivybridge/early_me.c
+++ b/arch/x86/cpu/ivybridge/early_me.c
@@ -8,6 +8,7 @@
#include <common.h>
#include <dm.h>
#include <errno.h>
+#include <sysreset.h>
#include <asm/pci.h>
#include <asm/cpu.h>
#include <asm/processor.h>
@@ -138,17 +139,17 @@
case ME_HFS_ACK_RESET:
/* Non-power cycle reset */
set_global_reset(dev, 0);
- reset_cpu(0);
+ sysreset_walk_halt(SYSRESET_COLD);
break;
case ME_HFS_ACK_PWR_CYCLE:
/* Power cycle reset */
set_global_reset(dev, 0);
- x86_full_reset();
+ sysreset_walk_halt(SYSRESET_COLD);
break;
case ME_HFS_ACK_GBL_RESET:
/* Global reset */
set_global_reset(dev, 1);
- x86_full_reset();
+ sysreset_walk_halt(SYSRESET_COLD);
break;
case ME_HFS_ACK_S3:
case ME_HFS_ACK_S4:
diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
index 2f253e8..8a58d03 100644
--- a/arch/x86/cpu/ivybridge/sdram.c
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -18,6 +18,7 @@
#include <spi.h>
#include <spi_flash.h>
#include <syscon.h>
+#include <sysreset.h>
#include <asm/cpu.h>
#include <asm/processor.h>
#include <asm/gpio.h>
@@ -497,7 +498,7 @@
/* If MRC data is not found we cannot continue S3 resume. */
if (pei_data->boot_mode == PEI_BOOT_RESUME && !pei_data->mrc_input) {
debug("Giving up in sdram_initialize: No MRC data\n");
- reset_cpu(0);
+ sysreset_walk_halt(SYSRESET_COLD);
}
/* Pass console handler in pei_data */
diff --git a/arch/x86/cpu/qemu/qemu.c b/arch/x86/cpu/qemu/qemu.c
index ca4b3f0..5e8b4f0 100644
--- a/arch/x86/cpu/qemu/qemu.c
+++ b/arch/x86/cpu/qemu/qemu.c
@@ -156,12 +156,6 @@
}
#endif
-void reset_cpu(ulong addr)
-{
- /* cold reset */
- x86_full_reset();
-}
-
int arch_early_init_r(void)
{
qemu_chipset_init();
diff --git a/arch/x86/cpu/quark/acpi.c b/arch/x86/cpu/quark/acpi.c
index 4a02720..7b6fc2f 100644
--- a/arch/x86/cpu/quark/acpi.c
+++ b/arch/x86/cpu/quark/acpi.c
@@ -67,7 +67,7 @@
fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->reset_reg.addrl = IO_PORT_RESET;
fadt->reset_reg.addrh = 0;
- fadt->reset_value = SYS_RST | RST_CPU;
+ fadt->reset_value = SYS_RST | RST_CPU | FULL_RST;
fadt->x_firmware_ctl_l = (u32)facs;
fadt->x_firmware_ctl_h = 0;
diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c
index 4fd6864..d39edb2 100644
--- a/arch/x86/cpu/quark/quark.c
+++ b/arch/x86/cpu/quark/quark.c
@@ -270,12 +270,6 @@
return default_print_cpuinfo();
}
-void reset_cpu(ulong addr)
-{
- /* cold reset */
- x86_full_reset();
-}
-
static void quark_pcie_init(void)
{
u32 val;
diff --git a/arch/x86/cpu/tangier/Makefile b/arch/x86/cpu/tangier/Makefile
index 44ccb3f..8274482 100644
--- a/arch/x86/cpu/tangier/Makefile
+++ b/arch/x86/cpu/tangier/Makefile
@@ -2,5 +2,5 @@
#
# Copyright (c) 2017 Intel Corporation
-obj-y += car.o tangier.o sdram.o
+obj-y += car.o tangier.o sdram.o sysreset.o
obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o
diff --git a/arch/x86/cpu/tangier/sysreset.c b/arch/x86/cpu/tangier/sysreset.c
new file mode 100644
index 0000000..e762ee1
--- /dev/null
+++ b/arch/x86/cpu/tangier/sysreset.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Reset driver for tangier processor
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <sysreset.h>
+#include <asm/scu.h>
+
+static int tangier_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+ int value;
+
+ switch (type) {
+ case SYSRESET_WARM:
+ value = IPCMSG_WARM_RESET;
+ break;
+ case SYSRESET_COLD:
+ value = IPCMSG_COLD_RESET;
+ break;
+ default:
+ return -ENOSYS;
+ }
+
+ scu_ipc_simple_command(value, 0);
+
+ return -EINPROGRESS;
+}
+
+static const struct udevice_id tangier_sysreset_ids[] = {
+ { .compatible = "intel,reset-tangier" },
+ { }
+};
+
+static struct sysreset_ops tangier_sysreset_ops = {
+ .request = tangier_sysreset_request,
+};
+
+U_BOOT_DRIVER(tangier_sysreset) = {
+ .name = "tangier-sysreset",
+ .id = UCLASS_SYSRESET,
+ .of_match = tangier_sysreset_ids,
+ .ops = &tangier_sysreset_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/arch/x86/cpu/tangier/tangier.c b/arch/x86/cpu/tangier/tangier.c
index 0a15e64..df2c600 100644
--- a/arch/x86/cpu/tangier/tangier.c
+++ b/arch/x86/cpu/tangier/tangier.c
@@ -4,7 +4,6 @@
*/
#include <common.h>
-#include <asm/scu.h>
#include <asm/u-boot-x86.h>
/*
@@ -24,8 +23,3 @@
{
return default_print_cpuinfo();
}
-
-void reset_cpu(ulong addr)
-{
- scu_ipc_simple_command(IPCMSG_COLD_RESET, 0);
-}
diff --git a/arch/x86/dts/bayleybay.dts b/arch/x86/dts/bayleybay.dts
index 74291a8..9683c52 100644
--- a/arch/x86/dts/bayleybay.dts
+++ b/arch/x86/dts/bayleybay.dts
@@ -12,6 +12,7 @@
/include/ "skeleton.dtsi"
/include/ "keyboard.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
/include/ "coreboot_fb.dtsi"
diff --git a/arch/x86/dts/baytrail_som-db5800-som-6867.dts b/arch/x86/dts/baytrail_som-db5800-som-6867.dts
index 36e6069..4e8a761 100644
--- a/arch/x86/dts/baytrail_som-db5800-som-6867.dts
+++ b/arch/x86/dts/baytrail_som-db5800-som-6867.dts
@@ -12,6 +12,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/broadwell_som-6896.dts b/arch/x86/dts/broadwell_som-6896.dts
index 3966199..ec691f1 100644
--- a/arch/x86/dts/broadwell_som-6896.dts
+++ b/arch/x86/dts/broadwell_som-6896.dts
@@ -2,6 +2,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
/include/ "coreboot_fb.dtsi"
diff --git a/arch/x86/dts/cherryhill.dts b/arch/x86/dts/cherryhill.dts
index 3e29683..39e2d2f 100644
--- a/arch/x86/dts/cherryhill.dts
+++ b/arch/x86/dts/cherryhill.dts
@@ -10,6 +10,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts
index 26b9f85..115a088 100644
--- a/arch/x86/dts/chromebook_link.dts
+++ b/arch/x86/dts/chromebook_link.dts
@@ -5,6 +5,7 @@
/include/ "skeleton.dtsi"
/include/ "keyboard.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
/include/ "coreboot_fb.dtsi"
diff --git a/arch/x86/dts/chromebook_samus.dts b/arch/x86/dts/chromebook_samus.dts
index 52a9ea6..9c48c9a 100644
--- a/arch/x86/dts/chromebook_samus.dts
+++ b/arch/x86/dts/chromebook_samus.dts
@@ -5,6 +5,7 @@
/include/ "skeleton.dtsi"
/include/ "keyboard.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
/include/ "coreboot_fb.dtsi"
diff --git a/arch/x86/dts/chromebox_panther.dts b/arch/x86/dts/chromebox_panther.dts
index b25c919..a72a85e 100644
--- a/arch/x86/dts/chromebox_panther.dts
+++ b/arch/x86/dts/chromebox_panther.dts
@@ -2,6 +2,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
/include/ "coreboot_fb.dtsi"
diff --git a/arch/x86/dts/conga-qeval20-qa3-e3845.dts b/arch/x86/dts/conga-qeval20-qa3-e3845.dts
index c3d1514..5884dbc 100644
--- a/arch/x86/dts/conga-qeval20-qa3-e3845.dts
+++ b/arch/x86/dts/conga-qeval20-qa3-e3845.dts
@@ -12,6 +12,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/cougarcanyon2.dts b/arch/x86/dts/cougarcanyon2.dts
index c1cda73..9801790 100644
--- a/arch/x86/dts/cougarcanyon2.dts
+++ b/arch/x86/dts/cougarcanyon2.dts
@@ -10,6 +10,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
/include/ "keyboard.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/crownbay.dts b/arch/x86/dts/crownbay.dts
index d8faa9d..2ffcc5f 100644
--- a/arch/x86/dts/crownbay.dts
+++ b/arch/x86/dts/crownbay.dts
@@ -10,6 +10,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
/include/ "keyboard.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/dfi-bt700.dtsi b/arch/x86/dts/dfi-bt700.dtsi
index cb96fdf..51d33e7 100644
--- a/arch/x86/dts/dfi-bt700.dtsi
+++ b/arch/x86/dts/dfi-bt700.dtsi
@@ -9,6 +9,7 @@
#include <dt-bindings/interrupt-router/intel-irq.h>
#include "skeleton.dtsi"
+#include "reset.dtsi"
#include "rtc.dtsi"
#include "tsc_timer.dtsi"
diff --git a/arch/x86/dts/edison.dts b/arch/x86/dts/edison.dts
index 9033532..5c80f5c 100644
--- a/arch/x86/dts/edison.dts
+++ b/arch/x86/dts/edison.dts
@@ -85,4 +85,9 @@
compatible = "intel,scu-ipc";
reg = <0xff009000 0x1000>;
};
+
+ reset {
+ compatible = "intel,reset-tangier";
+ u-boot,dm-pre-reloc;
+ };
};
diff --git a/arch/x86/dts/efi-x86_app.dts b/arch/x86/dts/efi-x86_app.dts
index e70e351..20150f6 100644
--- a/arch/x86/dts/efi-x86_app.dts
+++ b/arch/x86/dts/efi-x86_app.dts
@@ -23,4 +23,9 @@
serial: serial {
compatible = "efi,uart";
};
+
+ reset {
+ compatible = "efi,reset";
+ u-boot,dm-pre-reloc;
+ };
};
diff --git a/arch/x86/dts/efi-x86_payload.dts b/arch/x86/dts/efi-x86_payload.dts
index 148b587..19f2530 100644
--- a/arch/x86/dts/efi-x86_payload.dts
+++ b/arch/x86/dts/efi-x86_payload.dts
@@ -10,6 +10,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
/include/ "keyboard.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/galileo.dts b/arch/x86/dts/galileo.dts
index 3454abd..3a5d168 100644
--- a/arch/x86/dts/galileo.dts
+++ b/arch/x86/dts/galileo.dts
@@ -9,6 +9,7 @@
#include <dt-bindings/interrupt-router/intel-irq.h>
/include/ "skeleton.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts
index 42ba0c7..02ab4c1 100644
--- a/arch/x86/dts/minnowmax.dts
+++ b/arch/x86/dts/minnowmax.dts
@@ -11,6 +11,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
/include/ "coreboot_fb.dtsi"
diff --git a/arch/x86/dts/qemu-x86_i440fx.dts b/arch/x86/dts/qemu-x86_i440fx.dts
index 6565429..2e5210d 100644
--- a/arch/x86/dts/qemu-x86_i440fx.dts
+++ b/arch/x86/dts/qemu-x86_i440fx.dts
@@ -10,6 +10,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
/include/ "keyboard.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/qemu-x86_q35.dts b/arch/x86/dts/qemu-x86_q35.dts
index f1c4cb9..e8f55b1 100644
--- a/arch/x86/dts/qemu-x86_q35.dts
+++ b/arch/x86/dts/qemu-x86_q35.dts
@@ -20,6 +20,7 @@
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
/include/ "keyboard.dtsi"
+/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"
diff --git a/arch/x86/dts/reset.dtsi b/arch/x86/dts/reset.dtsi
new file mode 100644
index 0000000..f979d83
--- /dev/null
+++ b/arch/x86/dts/reset.dtsi
@@ -0,0 +1,6 @@
+/ {
+ reset {
+ compatible = "x86,reset";
+ u-boot,dm-pre-reloc;
+ };
+};
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
new file mode 100644
index 0000000..4475d04
--- /dev/null
+++ b/arch/x86/include/asm/acpi.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#ifndef __ASM_ACPI_H__
+#define __ASM_ACPI_H__
+
+struct acpi_fadt;
+
+/**
+ * acpi_find_fadt() - find ACPI FADT table in the system memory
+ *
+ * This routine parses the ACPI table to locate the ACPI FADT table.
+ *
+ * @return: a pointer to the ACPI FADT table in the system memory
+ */
+struct acpi_fadt *acpi_find_fadt(void);
+
+/**
+ * acpi_find_wakeup_vector() - find OS installed wake up vector address
+ *
+ * This routine parses the ACPI table to locate the wake up vector installed
+ * by the OS previously.
+ *
+ * @fadt: a pointer to the ACPI FADT table in the system memory
+ * @return: wake up vector address installed by the OS
+ */
+void *acpi_find_wakeup_vector(struct acpi_fadt *fadt);
+
+/**
+ * enter_acpi_mode() - enter into ACPI mode
+ *
+ * This programs the ACPI-defined PM1_CNT register to enable SCI interrupt
+ * so that the whole system swiches to ACPI mode.
+ *
+ * @pm1_cnt: PM1_CNT register I/O address
+ */
+void enter_acpi_mode(int pm1_cnt);
+
+#endif /* __ASM_ACPI_H__ */
diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h
index 239bcdc..95fae03 100644
--- a/arch/x86/include/asm/acpi_table.h
+++ b/arch/x86/include/asm/acpi_table.h
@@ -6,6 +6,9 @@
* Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
*/
+#ifndef __ASM_ACPI_TABLE_H__
+#define __ASM_ACPI_TABLE_H__
+
#define RSDP_SIG "RSD PTR " /* RSDP pointer signature */
#define OEM_ID "U-BOOT" /* U-Boot */
#define OEM_TABLE_ID "U-BOOTBL" /* U-Boot Table */
@@ -317,15 +320,6 @@
u16 seg_nr, u8 start, u8 end);
u32 acpi_fill_mcfg(u32 current);
void acpi_create_gnvs(struct acpi_global_nvs *gnvs);
-/**
- * enter_acpi_mode() - enter into ACPI mode
- *
- * This programs the ACPI-defined PM1_CNT register to enable SCI interrupt
- * so that the whole system swiches to ACPI mode.
- *
- * @pm1_cnt: PM1_CNT register I/O address
- */
-void enter_acpi_mode(int pm1_cnt);
ulong write_acpi_tables(ulong start);
/**
@@ -337,21 +331,4 @@
*/
ulong acpi_get_rsdp_addr(void);
-/**
- * acpi_find_fadt() - find ACPI FADT table in the sytem memory
- *
- * This routine parses the ACPI table to locate the ACPI FADT table.
- *
- * @return: a pointer to the ACPI FADT table in the system memory
- */
-struct acpi_fadt *acpi_find_fadt(void);
-
-/**
- * acpi_find_wakeup_vector() - find OS installed wake up vector address
- *
- * This routine parses the ACPI table to locate the wake up vector installed
- * by the OS previously.
- *
- * @return: wake up vector address installed by the OS
- */
-void *acpi_find_wakeup_vector(struct acpi_fadt *);
+#endif /* __ASM_ACPI_TABLE_H__ */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index dd957d2..f1d9977 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -43,11 +43,6 @@
FULL_RST = 1 << 3, /* full power cycle */
};
-/**
- * x86_full_reset() - reset everything: perform a full power cycle
- */
-void x86_full_reset(void);
-
static inline __attribute__((always_inline)) void cpu_hlt(void)
{
asm("hlt");
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index 2340ef8..670fcdc 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -40,7 +40,6 @@
void x86_enable_caches(void);
void x86_disable_caches(void);
int x86_init_cache(void);
-void reset_cpu(ulong addr);
ulong board_get_usable_ram_top(ulong total_size);
int default_print_cpuinfo(void);
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index ba07ac7..1e8efcc 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -33,6 +33,7 @@
obj-y += sections.o
obj-y += sfi.o
obj-y += string.o
+obj-y += acpi.o
obj-$(CONFIG_HAVE_ACPI_RESUME) += acpi_s3.o
ifndef CONFIG_QEMU
obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi_table.o
diff --git a/arch/x86/lib/acpi.c b/arch/x86/lib/acpi.c
new file mode 100644
index 0000000..cba9c24
--- /dev/null
+++ b/arch/x86/lib/acpi.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <common.h>
+#include <asm/acpi_table.h>
+#include <asm/io.h>
+#include <asm/tables.h>
+
+static struct acpi_rsdp *acpi_valid_rsdp(struct acpi_rsdp *rsdp)
+{
+ if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0)
+ return NULL;
+
+ debug("Looking on %p for valid checksum\n", rsdp);
+
+ if (table_compute_checksum((void *)rsdp, 20) != 0)
+ return NULL;
+ debug("acpi rsdp checksum 1 passed\n");
+
+ if ((rsdp->revision > 1) &&
+ (table_compute_checksum((void *)rsdp, rsdp->length) != 0))
+ return NULL;
+ debug("acpi rsdp checksum 2 passed\n");
+
+ return rsdp;
+}
+
+struct acpi_fadt *acpi_find_fadt(void)
+{
+ char *p, *end;
+ struct acpi_rsdp *rsdp = NULL;
+ struct acpi_rsdt *rsdt;
+ struct acpi_fadt *fadt = NULL;
+ int i;
+
+ /* Find RSDP */
+ for (p = (char *)ROM_TABLE_ADDR; p < (char *)ROM_TABLE_END; p += 16) {
+ rsdp = acpi_valid_rsdp((struct acpi_rsdp *)p);
+ if (rsdp)
+ break;
+ }
+
+ if (!rsdp)
+ return NULL;
+
+ debug("RSDP found at %p\n", rsdp);
+ rsdt = (struct acpi_rsdt *)(uintptr_t)rsdp->rsdt_address;
+
+ end = (char *)rsdt + rsdt->header.length;
+ debug("RSDT found at %p ends at %p\n", rsdt, end);
+
+ for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) {
+ fadt = (struct acpi_fadt *)(uintptr_t)rsdt->entry[i];
+ if (strncmp((char *)fadt, "FACP", 4) == 0)
+ break;
+ fadt = NULL;
+ }
+
+ if (!fadt)
+ return NULL;
+
+ debug("FADT found at %p\n", fadt);
+ return fadt;
+}
+
+void *acpi_find_wakeup_vector(struct acpi_fadt *fadt)
+{
+ struct acpi_facs *facs;
+ void *wake_vec;
+
+ debug("Trying to find the wakeup vector...\n");
+
+ facs = (struct acpi_facs *)(uintptr_t)fadt->firmware_ctrl;
+
+ if (!facs) {
+ debug("No FACS found, wake up from S3 not possible.\n");
+ return NULL;
+ }
+
+ debug("FACS found at %p\n", facs);
+ wake_vec = (void *)(uintptr_t)facs->firmware_waking_vector;
+ debug("OS waking vector is %p\n", wake_vec);
+
+ return wake_vec;
+}
+
+void enter_acpi_mode(int pm1_cnt)
+{
+ u16 val = inw(pm1_cnt);
+
+ /*
+ * PM1_CNT register bit0 selects the power management event to be
+ * either an SCI or SMI interrupt. When this bit is set, then power
+ * management events will generate an SCI interrupt. When this bit
+ * is reset power management events will generate an SMI interrupt.
+ *
+ * Per ACPI spec, it is the responsibility of the hardware to set
+ * or reset this bit. OSPM always preserves this bit position.
+ *
+ * U-Boot does not support SMI. And we don't have plan to support
+ * anything running in SMM within U-Boot. To create a legacy-free
+ * system, and expose ourselves to OSPM as working under ACPI mode
+ * already, turn this bit on.
+ */
+ outw(val | PM1_CNT_SCI_EN, pm1_cnt);
+}
diff --git a/arch/x86/lib/acpi_s3.c b/arch/x86/lib/acpi_s3.c
index 514b92f..0391718 100644
--- a/arch/x86/lib/acpi_s3.c
+++ b/arch/x86/lib/acpi_s3.c
@@ -4,6 +4,7 @@
*/
#include <common.h>
+#include <asm/acpi.h>
#include <asm/acpi_s3.h>
#include <asm/acpi_table.h>
#include <asm/post.h>
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index 7c4321b..e48c9b9 100644
--- a/arch/x86/lib/acpi_table.c
+++ b/arch/x86/lib/acpi_table.c
@@ -13,7 +13,6 @@
#include <version.h>
#include <asm/acpi/global_nvs.h>
#include <asm/acpi_table.h>
-#include <asm/io.h>
#include <asm/ioapic.h>
#include <asm/lapic.h>
#include <asm/mpspec.h>
@@ -337,27 +336,6 @@
header->checksum = table_compute_checksum((void *)mcfg, header->length);
}
-void enter_acpi_mode(int pm1_cnt)
-{
- u16 val = inw(pm1_cnt);
-
- /*
- * PM1_CNT register bit0 selects the power management event to be
- * either an SCI or SMI interrupt. When this bit is set, then power
- * management events will generate an SCI interrupt. When this bit
- * is reset power management events will generate an SMI interrupt.
- *
- * Per ACPI spec, it is the responsibility of the hardware to set
- * or reset this bit. OSPM always preserves this bit position.
- *
- * U-Boot does not support SMI. And we don't have plan to support
- * anything running in SMM within U-Boot. To create a legacy-free
- * system, and expose ourselves to OSPM as working under ACPI mode
- * already, turn this bit on.
- */
- outw(val | PM1_CNT_SCI_EN, pm1_cnt);
-}
-
/*
* QEMU's version of write_acpi_tables is defined in drivers/misc/qfw.c
*/
@@ -465,16 +443,6 @@
acpi_rsdp_addr = (unsigned long)rsdp;
debug("ACPI: done\n");
- /* Don't touch ACPI hardware on HW reduced platforms */
- if (fadt->flags & ACPI_FADT_HW_REDUCED_ACPI)
- return current;
-
- /*
- * Other than waiting for OSPM to request us to switch to ACPI mode,
- * do it by ourselves, since SMI will not be triggered.
- */
- enter_acpi_mode(fadt->pm1a_cnt_blk);
-
return current;
}
@@ -482,81 +450,3 @@
{
return acpi_rsdp_addr;
}
-
-static struct acpi_rsdp *acpi_valid_rsdp(struct acpi_rsdp *rsdp)
-{
- if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0)
- return NULL;
-
- debug("Looking on %p for valid checksum\n", rsdp);
-
- if (table_compute_checksum((void *)rsdp, 20) != 0)
- return NULL;
- debug("acpi rsdp checksum 1 passed\n");
-
- if ((rsdp->revision > 1) &&
- (table_compute_checksum((void *)rsdp, rsdp->length) != 0))
- return NULL;
- debug("acpi rsdp checksum 2 passed\n");
-
- return rsdp;
-}
-
-struct acpi_fadt *acpi_find_fadt(void)
-{
- char *p, *end;
- struct acpi_rsdp *rsdp = NULL;
- struct acpi_rsdt *rsdt;
- struct acpi_fadt *fadt = NULL;
- int i;
-
- /* Find RSDP */
- for (p = (char *)ROM_TABLE_ADDR; p < (char *)ROM_TABLE_END; p += 16) {
- rsdp = acpi_valid_rsdp((struct acpi_rsdp *)p);
- if (rsdp)
- break;
- }
-
- if (rsdp == NULL)
- return NULL;
-
- debug("RSDP found at %p\n", rsdp);
- rsdt = (struct acpi_rsdt *)rsdp->rsdt_address;
-
- end = (char *)rsdt + rsdt->header.length;
- debug("RSDT found at %p ends at %p\n", rsdt, end);
-
- for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) {
- fadt = (struct acpi_fadt *)rsdt->entry[i];
- if (strncmp((char *)fadt, "FACP", 4) == 0)
- break;
- fadt = NULL;
- }
-
- if (fadt == NULL)
- return NULL;
-
- debug("FADT found at %p\n", fadt);
- return fadt;
-}
-
-void *acpi_find_wakeup_vector(struct acpi_fadt *fadt)
-{
- struct acpi_facs *facs;
- void *wake_vec;
-
- debug("Trying to find the wakeup vector...\n");
-
- facs = (struct acpi_facs *)fadt->firmware_ctrl;
-
- if (facs == NULL) {
- debug("No FACS found, wake up from S3 not possible.\n");
- return NULL;
- }
-
- debug("FACS found at %p\n", facs);
- wake_vec = (void *)facs->firmware_waking_vector;
- debug("OS waking vector is %p\n", wake_vec);
-
- return wake_vec;
-}
diff --git a/arch/x86/lib/fsp/fsp_common.c b/arch/x86/lib/fsp/fsp_common.c
index b4ba129..d5ed1d5 100644
--- a/arch/x86/lib/fsp/fsp_common.c
+++ b/arch/x86/lib/fsp/fsp_common.c
@@ -132,7 +132,7 @@
chipset_clear_sleep_state();
/* Reboot */
debug("Rebooting..\n");
- reset_cpu(0);
+ outb(SYS_RST | RST_CPU, IO_PORT_RESET);
/* Should not reach here.. */
panic("Reboot System");
}
diff --git a/configs/chromebook_link64_defconfig b/configs/chromebook_link64_defconfig
index 59b6bd0..9af2c4d 100644
--- a/configs/chromebook_link64_defconfig
+++ b/configs/chromebook_link64_defconfig
@@ -4,6 +4,7 @@
CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
CONFIG_DEBUG_UART_BOARD_INIT=y
CONFIG_DEBUG_UART_BASE=0x3f8
CONFIG_DEBUG_UART_CLOCK=1843200
diff --git a/drivers/sysreset/Kconfig b/drivers/sysreset/Kconfig
index f2524c1..9b2fda4 100644
--- a/drivers/sysreset/Kconfig
+++ b/drivers/sysreset/Kconfig
@@ -51,4 +51,10 @@
help
Reboot support for generic watchdog reset.
+config SYSRESET_X86
+ bool "Enable support for x86 processor reboot driver"
+ depends on X86
+ help
+ Reboot support for generic x86 processor reset.
+
endmenu
diff --git a/drivers/sysreset/Makefile b/drivers/sysreset/Makefile
index 223a071..707f1d7 100644
--- a/drivers/sysreset/Makefile
+++ b/drivers/sysreset/Makefile
@@ -8,6 +8,7 @@
obj-$(CONFIG_SYSRESET_PSCI) += sysreset_psci.o
obj-$(CONFIG_SYSRESET_SYSCON) += sysreset_syscon.o
obj-$(CONFIG_SYSRESET_WATCHDOG) += sysreset_watchdog.o
+obj-$(CONFIG_SYSRESET_X86) += sysreset_x86.o
obj-$(CONFIG_ARCH_ROCKCHIP) += sysreset_rockchip.o
obj-$(CONFIG_SANDBOX) += sysreset_sandbox.o
obj-$(CONFIG_ARCH_STI) += sysreset_sti.o
diff --git a/drivers/sysreset/sysreset-uclass.c b/drivers/sysreset/sysreset-uclass.c
index 840eab6..b918365 100644
--- a/drivers/sysreset/sysreset-uclass.c
+++ b/drivers/sysreset/sysreset-uclass.c
@@ -69,6 +69,8 @@
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
+ printf("resetting ...\n");
+
sysreset_walk_halt(SYSRESET_COLD);
return 0;
diff --git a/drivers/sysreset/sysreset_x86.c b/drivers/sysreset/sysreset_x86.c
new file mode 100644
index 0000000..5943a63
--- /dev/null
+++ b/drivers/sysreset/sysreset_x86.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Generic reset driver for x86 processor
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <sysreset.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+
+static int x86_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+ int value;
+
+ switch (type) {
+ case SYSRESET_WARM:
+ value = SYS_RST | RST_CPU;
+ break;
+ case SYSRESET_COLD:
+ value = SYS_RST | RST_CPU | FULL_RST;
+ break;
+ default:
+ return -ENOSYS;
+ }
+
+ outb(value, IO_PORT_RESET);
+
+ return -EINPROGRESS;
+}
+
+static const struct udevice_id x86_sysreset_ids[] = {
+ { .compatible = "x86,reset" },
+ { }
+};
+
+static struct sysreset_ops x86_sysreset_ops = {
+ .request = x86_sysreset_request,
+};
+
+U_BOOT_DRIVER(x86_sysreset) = {
+ .name = "x86-sysreset",
+ .id = UCLASS_SYSRESET,
+ .of_match = x86_sysreset_ids,
+ .ops = &x86_sysreset_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};
diff --git a/lib/efi/efi_app.c b/lib/efi/efi_app.c
index 3eb8eeb..5879d40 100644
--- a/lib/efi/efi_app.c
+++ b/lib/efi/efi_app.c
@@ -10,11 +10,13 @@
#include <common.h>
#include <debug_uart.h>
+#include <dm.h>
#include <errno.h>
#include <linux/err.h>
#include <linux/types.h>
#include <efi.h>
#include <efi_api.h>
+#include <sysreset.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -129,7 +131,7 @@
return EFI_SUCCESS;
}
-void reset_cpu(ulong addr)
+static void efi_exit(void)
{
struct efi_priv *priv = global_priv;
@@ -137,3 +139,27 @@
printf("U-Boot EFI exiting\n");
priv->boot->exit(priv->parent_image, EFI_SUCCESS, 0, NULL);
}
+
+static int efi_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+ efi_exit();
+
+ return -EINPROGRESS;
+}
+
+static const struct udevice_id efi_sysreset_ids[] = {
+ { .compatible = "efi,reset" },
+ { }
+};
+
+static struct sysreset_ops efi_sysreset_ops = {
+ .request = efi_sysreset_request,
+};
+
+U_BOOT_DRIVER(efi_sysreset) = {
+ .name = "efi-sysreset",
+ .id = UCLASS_SYSRESET,
+ .of_match = efi_sysreset_ids,
+ .ops = &efi_sysreset_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};