powerpc: Create arch/powerpc/platforms/iseries

I also move arch/ppc64/kernel/HvCall.c to
arch/powerpc/platforms/iseries/hvcall.c.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

3 files changed, 41 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile
index dbc093759a89..697addea192f 100644
--- a/arch/powerpc/platforms/Makefile
+++ b/arch/powerpc/platforms/Makefile
@@ -1,4 +1,5 @@
-obj-$(CONFIG_PPC_PMAC)  += powermac/
-obj-$(CONFIG_4xx)       += 4xx/
-obj-$(CONFIG_83xx)      += 83xx/
-obj-$(CONFIG_85xx)      += 85xx/
+obj-$(CONFIG_PPC_PMAC)          += powermac/
+obj-$(CONFIG_4xx)               += 4xx/
+obj-$(CONFIG_83xx)              += 83xx/
+obj-$(CONFIG_85xx)              += 85xx/
+obj-$(CONFIG_PPC_ISERIES)       += iseries/
diff --git a/arch/powerpc/platforms/iseries/Makefile b/arch/powerpc/platforms/iseries/Makefile
new file mode 100644
index 000000000000..af0c7d97121d
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_PPC_ISERIES) += hvcall.o
diff --git a/arch/powerpc/platforms/iseries/hvcall.c b/arch/powerpc/platforms/iseries/hvcall.c
new file mode 100644
index 000000000000..f61e2e9ac9ec
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/hvcall.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2001  Mike Corrigan IBM Corporation
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <asm/page.h>
+#include <asm/abs_addr.h>
+#include <asm/iSeries/HvCall.h>
+#include <asm/iSeries/HvCallSc.h>
+#include <asm/iSeries/HvTypes.h>
+
+
+void HvCall_writeLogBuffer(const void *buffer, u64 len)
+{
+        struct HvLpBufferList hv_buf;
+        u64 left_this_page;
+        u64 cur = virt_to_abs(buffer);
+
+        while (len) {
+                hv_buf.addr = cur;
+                left_this_page = ((cur & PAGE_MASK) + PAGE_SIZE) - cur;
+                if (left_this_page > len)
+                        left_this_page = len;
+                hv_buf.len = left_this_page;
+                len -= left_this_page;
+                HvCall2(HvCallBaseWriteLogBuffer,
+                                virt_to_abs(&hv_buf),
+                                left_this_page);
+                cur = (cur & PAGE_MASK) + PAGE_SIZE;
+        }
+}