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[src/trunk]: src/sys/arch/arm/fdt Support using EFI runtime services for RTC ...
details: https://anonhg.NetBSD.org/src/rev/d8887b7ce99f
branches: trunk
changeset: 944765:d8887b7ce99f
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sat Oct 10 15:34:05 2020 +0000
description:
Support using EFI runtime services for RTC when booting in devicetree mode.
diffstat:
sys/arch/arm/fdt/acpi_fdt.c | 87 +------------------------------------------
sys/arch/arm/fdt/arm_fdt.c | 90 ++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 90 insertions(+), 87 deletions(-)
diffs (260 lines):
diff -r 8dbcead996fb -r d8887b7ce99f sys/arch/arm/fdt/acpi_fdt.c
--- a/sys/arch/arm/fdt/acpi_fdt.c Sat Oct 10 15:25:30 2020 +0000
+++ b/sys/arch/arm/fdt/acpi_fdt.c Sat Oct 10 15:34:05 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_fdt.c,v 1.15 2020/09/15 10:33:58 jmcneill Exp $ */
+/* $NetBSD: acpi_fdt.c,v 1.16 2020/10/10 15:34:05 jmcneill Exp $ */
/*-
* Copyright (c) 2015-2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -30,7 +30,7 @@
#include "opt_efi.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_fdt.c,v 1.15 2020/09/15 10:33:58 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_fdt.c,v 1.16 2020/10/10 15:34:05 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -54,7 +54,6 @@
#ifdef EFI_RUNTIME
#include <arm/arm/efi_runtime.h>
-#include <dev/clock_subr.h>
#endif
static int acpi_fdt_match(device_t, cfdata_t, void *);
@@ -62,22 +61,12 @@
static void acpi_fdt_poweroff(device_t);
-#ifdef EFI_RUNTIME
-static void acpi_fdt_efi_init(device_t);
-static int acpi_fdt_efi_rtc_gettime(todr_chip_handle_t, struct clock_ymdhms *);
-static int acpi_fdt_efi_rtc_settime(todr_chip_handle_t, struct clock_ymdhms *);
-#endif
-
static void acpi_fdt_sysctl_init(void);
extern struct arm32_bus_dma_tag acpi_coherent_dma_tag;
static uint64_t smbios_table = 0;
-#ifdef EFI_RUNTIME
-static struct todr_chip_handle efi_todr;
-#endif
-
static const char * const compatible[] = {
"netbsd,acpi",
NULL
@@ -106,10 +95,6 @@
aprint_naive("\n");
aprint_normal("\n");
-#ifdef EFI_RUNTIME
- acpi_fdt_efi_init(self);
-#endif
-
fdtbus_register_power_controller(self, faa->faa_phandle,
&acpi_fdt_power_funcs);
@@ -171,71 +156,3 @@
CTL_CREATE, CTL_EOL);
}
}
-
-#ifdef EFI_RUNTIME
-static void
-acpi_fdt_efi_init(device_t dev)
-{
- uint64_t efi_system_table;
- struct efi_tm tm;
- int error;
-
- const int chosen = OF_finddevice("/chosen");
- if (chosen < 0)
- return;
-
- if (of_getprop_uint64(chosen, "netbsd,uefi-system-table", &efi_system_table) != 0)
- return;
-
- error = arm_efirt_init(efi_system_table);
- if (error)
- return;
-
- aprint_debug_dev(dev, "EFI system table at %#" PRIx64 "\n", efi_system_table);
-
- if (arm_efirt_gettime(&tm) == 0) {
- aprint_normal_dev(dev, "using EFI runtime services for RTC\n");
- efi_todr.cookie = NULL;
- efi_todr.todr_gettime_ymdhms = acpi_fdt_efi_rtc_gettime;
- efi_todr.todr_settime_ymdhms = acpi_fdt_efi_rtc_settime;
- todr_attach(&efi_todr);
- }
-}
-
-static int
-acpi_fdt_efi_rtc_gettime(todr_chip_handle_t tch, struct clock_ymdhms *dt)
-{
- struct efi_tm tm;
- int error;
-
- error = arm_efirt_gettime(&tm);
- if (error)
- return error;
-
- dt->dt_year = tm.tm_year;
- dt->dt_mon = tm.tm_mon;
- dt->dt_day = tm.tm_mday;
- dt->dt_wday = 0;
- dt->dt_hour = tm.tm_hour;
- dt->dt_min = tm.tm_min;
- dt->dt_sec = tm.tm_sec;
-
- return 0;
-}
-
-static int
-acpi_fdt_efi_rtc_settime(todr_chip_handle_t tch, struct clock_ymdhms *dt)
-{
- struct efi_tm tm;
-
- memset(&tm, 0, sizeof(tm));
- tm.tm_year = dt->dt_year;
- tm.tm_mon = dt->dt_mon;
- tm.tm_mday = dt->dt_day;
- tm.tm_hour = dt->dt_hour;
- tm.tm_min = dt->dt_min;
- tm.tm_sec = dt->dt_sec;
-
- return arm_efirt_settime(&tm);
-}
-#endif
diff -r 8dbcead996fb -r d8887b7ce99f sys/arch/arm/fdt/arm_fdt.c
--- a/sys/arch/arm/fdt/arm_fdt.c Sat Oct 10 15:25:30 2020 +0000
+++ b/sys/arch/arm/fdt/arm_fdt.c Sat Oct 10 15:34:05 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: arm_fdt.c,v 1.11 2020/06/21 17:25:03 jmcneill Exp $ */
+/* $NetBSD: arm_fdt.c,v 1.12 2020/10/10 15:34:05 jmcneill Exp $ */
/*-
* Copyright (c) 2017 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,10 +27,11 @@
*/
#include "opt_arm_timer.h"
+#include "opt_efi.h"
#include "opt_modular.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: arm_fdt.c,v 1.11 2020/06/21 17:25:03 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: arm_fdt.c,v 1.12 2020/10/10 15:34:05 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -47,9 +48,22 @@
#include <arm/fdt/arm_fdtvar.h>
+#ifdef EFI_RUNTIME
+#include <arm/arm/efi_runtime.h>
+#include <dev/clock_subr.h>
+#endif
+
static int arm_fdt_match(device_t, cfdata_t, void *);
static void arm_fdt_attach(device_t, device_t, void *);
+#ifdef EFI_RUNTIME
+static void arm_fdt_efi_init(device_t);
+static int arm_fdt_efi_rtc_gettime(todr_chip_handle_t, struct clock_ymdhms *);
+static int arm_fdt_efi_rtc_settime(todr_chip_handle_t, struct clock_ymdhms *);
+
+static struct todr_chip_handle efi_todr;
+#endif
+
CFATTACH_DECL_NEW(arm_fdt, 0,
arm_fdt_match, arm_fdt_attach, NULL, NULL);
@@ -80,6 +94,10 @@
aprint_naive("\n");
aprint_normal("\n");
+#ifdef EFI_RUNTIME
+ arm_fdt_efi_init(self);
+#endif
+
plat->ap_init_attach_args(&faa);
faa.faa_name = "";
faa.faa_phandle = OF_peer(0);
@@ -253,3 +271,71 @@
}
#endif /* !MODULAR */
}
+
+#ifdef EFI_RUNTIME
+static void
+arm_fdt_efi_init(device_t dev)
+{
+ uint64_t efi_system_table;
+ struct efi_tm tm;
+ int error;
+
+ const int chosen = OF_finddevice("/chosen");
+ if (chosen < 0)
+ return;
+
+ if (of_getprop_uint64(chosen, "netbsd,uefi-system-table", &efi_system_table) != 0)
+ return;
+
+ error = arm_efirt_init(efi_system_table);
+ if (error)
+ return;
+
+ aprint_debug_dev(dev, "EFI system table at %#" PRIx64 "\n", efi_system_table);
+
+ if (arm_efirt_gettime(&tm) == 0) {
+ aprint_normal_dev(dev, "using EFI runtime services for RTC\n");
+ efi_todr.cookie = NULL;
+ efi_todr.todr_gettime_ymdhms = arm_fdt_efi_rtc_gettime;
+ efi_todr.todr_settime_ymdhms = arm_fdt_efi_rtc_settime;
+ todr_attach(&efi_todr);
+ }
+}
+
+static int
+arm_fdt_efi_rtc_gettime(todr_chip_handle_t tch, struct clock_ymdhms *dt)
+{
+ struct efi_tm tm;
+ int error;
+
+ error = arm_efirt_gettime(&tm);
+ if (error)
+ return error;
+
+ dt->dt_year = tm.tm_year;
+ dt->dt_mon = tm.tm_mon;
+ dt->dt_day = tm.tm_mday;
+ dt->dt_wday = 0;
+ dt->dt_hour = tm.tm_hour;
+ dt->dt_min = tm.tm_min;
+ dt->dt_sec = tm.tm_sec;
+
+ return 0;
+}
+
+static int
+arm_fdt_efi_rtc_settime(todr_chip_handle_t tch, struct clock_ymdhms *dt)
+{
+ struct efi_tm tm;
+
+ memset(&tm, 0, sizeof(tm));
+ tm.tm_year = dt->dt_year;
+ tm.tm_mon = dt->dt_mon;
+ tm.tm_mday = dt->dt_day;
+ tm.tm_hour = dt->dt_hour;
+ tm.tm_min = dt->dt_min;
+ tm.tm_sec = dt->dt_sec;
+
+ return arm_efirt_settime(&tm);
+}
+#endif
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