Initial import of qemu-2.4.1HEADmaster

1 files changed, 69 insertions, 0 deletions

diff --git a/roms/u-boot/arch/powerpc/cpu/mpc8xx/commproc.c b/roms/u-boot/arch/powerpc/cpu/mpc8xx/commproc.c
new file mode 100644
index 00000000..f8581d13
--- /dev/null
+++ b/roms/u-boot/arch/powerpc/cpu/mpc8xx/commproc.c
@@ -0,0 +1,69 @@
+/*
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <commproc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_SYS_ALLOC_DPRAM
+
+int dpram_init (void)
+{
+	/* Reclaim the DP memory for our use. */
+	gd->arch.dp_alloc_base = CPM_DATAONLY_BASE;
+	gd->arch.dp_alloc_top  = CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE;
+
+	return (0);
+}
+
+/* Allocate some memory from the dual ported ram.  We may want to
+ * enforce alignment restrictions, but right now everyone is a good
+ * citizen.
+ */
+uint dpram_alloc (uint size)
+{
+	uint addr = gd->arch.dp_alloc_base;
+
+	if ((gd->arch.dp_alloc_base + size) >= gd->arch.dp_alloc_top)
+		return (CPM_DP_NOSPACE);
+
+	gd->arch.dp_alloc_base += size;
+
+	return addr;
+}
+
+uint dpram_base (void)
+{
+	return gd->arch.dp_alloc_base;
+}
+
+/* Allocate some memory from the dual ported ram.  We may want to
+ * enforce alignment restrictions, but right now everyone is a good
+ * citizen.
+ */
+uint dpram_alloc_align (uint size, uint align)
+{
+	uint addr, mask = align - 1;
+
+	addr = (gd->arch.dp_alloc_base + mask) & ~mask;
+
+	if ((addr + size) >= gd->arch.dp_alloc_top)
+		return (CPM_DP_NOSPACE);
+
+	gd->arch.dp_alloc_base = addr + size;
+
+	return addr;
+}
+
+uint dpram_base_align (uint align)
+{
+	uint mask = align - 1;
+
+	return (gd->arch.dp_alloc_base + mask) & ~mask;
+}
+#endif	/* CONFIG_SYS_ALLOC_DPRAM */