mirror of
https://src.fedoraproject.org/rpms/grub2.git
synced 2024-11-28 15:46:53 +00:00
afb0baacd6
The BLS config filenames are guaranteed to be unique, so they can be used as GRUB2 entry id and can also be used to sort the menu entries. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
73 lines
1.8 KiB
Diff
73 lines
1.8 KiB
Diff
From 5a865b37866ee8cd64c080bc6fb1e537f8e2b3c6 Mon Sep 17 00:00:00 2001
|
|
From: Vladimir Serbinenko <phcoder@gmail.com>
|
|
Date: Mon, 8 May 2017 21:26:36 +0200
|
|
Subject: [PATCH 021/250] arm-coreboot: Support for vexpress timer.
|
|
|
|
---
|
|
grub-core/kern/arm/coreboot/timer.c | 36 ++++++++++++++++++++++++++++++++++++
|
|
1 file changed, 36 insertions(+)
|
|
|
|
diff --git a/grub-core/kern/arm/coreboot/timer.c b/grub-core/kern/arm/coreboot/timer.c
|
|
index ebefb99d58f..d97b844f848 100644
|
|
--- a/grub-core/kern/arm/coreboot/timer.c
|
|
+++ b/grub-core/kern/arm/coreboot/timer.c
|
|
@@ -21,6 +21,7 @@
|
|
#include <grub/types.h>
|
|
#include <grub/err.h>
|
|
#include <grub/time.h>
|
|
+#include <grub/fdtbus.h>
|
|
#include <grub/misc.h>
|
|
|
|
grub_uint64_t
|
|
@@ -33,6 +34,39 @@ grub_uint32_t
|
|
grub_arm_pfr1(void);
|
|
|
|
static int have_timer = 0;
|
|
+static volatile grub_uint32_t *sp804_regs;
|
|
+
|
|
+static grub_uint64_t
|
|
+sp804_get_time_ms (void)
|
|
+{
|
|
+ static grub_uint32_t high, last_low;
|
|
+ grub_uint32_t low = ~sp804_regs[1];
|
|
+ if (last_low > low)
|
|
+ high++;
|
|
+ last_low = low;
|
|
+ return grub_divmod64 ((((grub_uint64_t) high) << 32) | low,
|
|
+ 1000, 0);
|
|
+}
|
|
+
|
|
+static grub_err_t
|
|
+sp804_attach(const struct grub_fdtbus_dev *dev)
|
|
+{
|
|
+ if (have_timer)
|
|
+ return GRUB_ERR_NONE;
|
|
+ sp804_regs = grub_fdtbus_map_reg (dev, 0, 0);
|
|
+ if (!grub_fdtbus_is_mapping_valid (sp804_regs))
|
|
+ return grub_error (GRUB_ERR_IO, "could not map sp804: %p", sp804_regs);
|
|
+ grub_install_get_time_ms (sp804_get_time_ms);
|
|
+ have_timer = 1;
|
|
+ return GRUB_ERR_NONE;
|
|
+}
|
|
+
|
|
+struct grub_fdtbus_driver sp804 =
|
|
+{
|
|
+ .compatible = "arm,sp804",
|
|
+ .attach = sp804_attach
|
|
+};
|
|
+
|
|
static grub_uint32_t timer_frequency_in_khz;
|
|
|
|
static grub_uint64_t
|
|
@@ -58,6 +92,8 @@ try_generic_timer (void)
|
|
void
|
|
grub_machine_timer_init (void)
|
|
{
|
|
+ grub_fdtbus_register (&sp804);
|
|
+
|
|
if (!have_timer)
|
|
try_generic_timer ();
|
|
if (!have_timer)
|
|
--
|
|
2.17.1
|
|
|