Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (54 commits)
  [MIPS] Remove mips_machtype for LASAT machines
  [MIPS] Remove mips_machtype from EMMA2RH machines
  [MIPS] Remove mips_machtype from ARC based machines
  [MIPS] MTX-1 flash partition setup move to platform devices registration
  [MIPS] TXx9: cleanup and fix some sparse warnings
  [MIPS] TXx9: rename asm-mips/mach-jmr3927 to asm-mips/mach-tx39xx
  [MIPS] remove machtype for group Toshiba
  [MIPS] separate rbtx4927_time_init() and rbtx4937_time_init()
  [MIPS] separate rbtx4927_arch_init() and rbtx4937_arch_init()
  [MIPS] txx9_cpu_clock setup move to rbtx4927_time_init()
  [MIPS] txx9_board_vec set directly without mips_machtype
  [MIPS] IP22: Add platform device for Indy volume buttons
  [MIPS] cmbvr4133: Remove support
  [MIPS] remove wrppmc_machine_power_off()
  [MIPS] replace inline assembler to cpu_wait()
  [MIPS] IP22/28: Add platform devices for HAL2
  [MIPS] TXx9: Update and merge defconfigs
  [MIPS] TXx9: Make single kernel can support multiple boards
  [MIPS] TXx9: Update defconfigs
  [MIPS] TXx9: Reorganize PCI code
  ...

1 files changed, 124 insertions, 0 deletions

diff --git a/arch/mips/txx9/generic/mem_tx4938.c b/arch/mips/txx9/generic/mem_tx4938.c
new file mode 100644
index 00000000000..20baeaeba4c
--- /dev/null
+++ b/arch/mips/txx9/generic/mem_tx4938.c
@@ -0,0 +1,124 @@
+/*
+ * linux/arch/mips/tx4938/common/prom.c
+ *
+ * common tx4938 memory interface
+ * Copyright (C) 2000-2001 Toshiba Corporation
+ *
+ * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
+ * terms of the GNU General Public License version 2. This program is
+ * licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ *
+ * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
+ */
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/io.h>
+
+static unsigned int __init
+tx4938_process_sdccr(u64 * addr)
+{
+	u64 val;
+	unsigned int sdccr_ce;
+	unsigned int sdccr_rs;
+	unsigned int sdccr_cs;
+	unsigned int sdccr_mw;
+	unsigned int rs = 0;
+	unsigned int cs = 0;
+	unsigned int mw = 0;
+	unsigned int bc = 4;
+	unsigned int msize = 0;
+
+	val = ____raw_readq((void __iomem *)addr);
+
+	/* MVMCP -- need #defs for these bits masks */
+	sdccr_ce = ((val & (1 << 10)) >> 10);
+	sdccr_rs = ((val & (3 << 5)) >> 5);
+	sdccr_cs = ((val & (7 << 2)) >> 2);
+	sdccr_mw = ((val & (1 << 0)) >> 0);
+
+	if (sdccr_ce) {
+		switch (sdccr_rs) {
+		case 0:{
+				rs = 2048;
+				break;
+			}
+		case 1:{
+				rs = 4096;
+				break;
+			}
+		case 2:{
+				rs = 8192;
+				break;
+			}
+		default:{
+				rs = 0;
+				break;
+			}
+		}
+		switch (sdccr_cs) {
+		case 0:{
+				cs = 256;
+				break;
+			}
+		case 1:{
+				cs = 512;
+				break;
+			}
+		case 2:{
+				cs = 1024;
+				break;
+			}
+		case 3:{
+				cs = 2048;
+				break;
+			}
+		case 4:{
+				cs = 4096;
+				break;
+			}
+		default:{
+				cs = 0;
+				break;
+			}
+		}
+		switch (sdccr_mw) {
+		case 0:{
+				mw = 8;
+				break;
+			}	/* 8 bytes = 64 bits */
+		case 1:{
+				mw = 4;
+				break;
+			}	/* 4 bytes = 32 bits */
+		}
+	}
+
+	/*           bytes per chip    MB per chip          bank count */
+	msize = (((rs * cs * mw) / (1024 * 1024)) * (bc));
+
+	/* MVMCP -- bc hard coded to 4 from table 9.3.1     */
+	/*          boad supports bc=2 but no way to detect */
+
+	return (msize);
+}
+
+unsigned int __init
+tx4938_get_mem_size(void)
+{
+	unsigned int c0;
+	unsigned int c1;
+	unsigned int c2;
+	unsigned int c3;
+	unsigned int total;
+
+	/* MVMCP -- need #defs for these registers */
+	c0 = tx4938_process_sdccr((u64 *) 0xff1f8000);
+	c1 = tx4938_process_sdccr((u64 *) 0xff1f8008);
+	c2 = tx4938_process_sdccr((u64 *) 0xff1f8010);
+	c3 = tx4938_process_sdccr((u64 *) 0xff1f8018);
+	total = c0 + c1 + c2 + c3;
+
+	return (total);
+}