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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/powerpc/platforms/86xx/common.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/platforms/86xx/common.c')
-rw-r--r--arch/powerpc/platforms/86xx/common.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/86xx/common.c b/arch/powerpc/platforms/86xx/common.c
new file mode 100644
index 000000000..0f7b7fcf1
--- /dev/null
+++ b/arch/powerpc/platforms/86xx/common.c
@@ -0,0 +1,43 @@
+/*
+ * Routines common to most mpc86xx-based boards.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/of_platform.h>
+#include <asm/synch.h>
+
+#include "mpc86xx.h"
+
+static const struct of_device_id mpc86xx_common_ids[] __initconst = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ { .compatible = "simple-bus", },
+ { .name = "localbus", },
+ { .compatible = "gianfar", },
+ { .compatible = "fsl,mpc8641-pcie", },
+ {},
+};
+
+int __init mpc86xx_common_publish_devices(void)
+{
+ return of_platform_bus_probe(NULL, mpc86xx_common_ids, NULL);
+}
+
+long __init mpc86xx_time_init(void)
+{
+ unsigned int temp;
+
+ /* Set the time base to zero */
+ mtspr(SPRN_TBWL, 0);
+ mtspr(SPRN_TBWU, 0);
+
+ temp = mfspr(SPRN_HID0);
+ temp |= HID0_TBEN;
+ mtspr(SPRN_HID0, temp);
+ isync();
+
+ return 0;
+}