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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/mips/sgi-ip32/ip32-memory.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/sgi-ip32/ip32-memory.c')
-rw-r--r--arch/mips/sgi-ip32/ip32-memory.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/mips/sgi-ip32/ip32-memory.c b/arch/mips/sgi-ip32/ip32-memory.c
new file mode 100644
index 000000000..0f53fed39
--- /dev/null
+++ b/arch/mips/sgi-ip32/ip32-memory.c
@@ -0,0 +1,47 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Keith M Wesolowski
+ * Copyright (C) 2005 Ilya A. Volynets (Total Knowledge)
+ */
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/memblock.h>
+#include <linux/mm.h>
+
+#include <asm/ip32/crime.h>
+#include <asm/bootinfo.h>
+#include <asm/page.h>
+
+extern void crime_init(void);
+
+void __init prom_meminit(void)
+{
+ u64 base, size;
+ int bank;
+
+ crime_init();
+
+ for (bank=0; bank < CRIME_MAXBANKS; bank++) {
+ u64 bankctl = crime->bank_ctrl[bank];
+ base = (bankctl & CRIME_MEM_BANK_CONTROL_ADDR) << 25;
+ if (bank != 0 && base == 0)
+ continue;
+ size = (bankctl & CRIME_MEM_BANK_CONTROL_SDRAM_SIZE) ? 128 : 32;
+ size <<= 20;
+ if (base + size > (256 << 20))
+ base += CRIME_HI_MEM_BASE;
+
+ printk("CRIME MC: bank %u base 0x%016Lx size %LuMiB\n",
+ bank, base, size >> 20);
+ memblock_add(base, size);
+ }
+}
+
+
+void __init prom_free_prom_memory(void)
+{
+}