ppc4xx: Added ppc4xx-isram.h for internal SRAM and L2 cache DCRs

Added include/asm-ppc/ppc4xx-isram.h and moved internal SRAM and
L2 cache DCRs from ppc440.h to this new header.

Also converted these DCR defines from lowercase to uppercase and
modified referencing modules to use them.

Signed-off-by: Dave Mitchell <dmitch71@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>

1 files changed, 75 insertions, 0 deletions

diff --git a/include/asm-ppc/ppc4xx-isram.h b/include/asm-ppc/ppc4xx-isram.h
new file mode 100644
index 0000000000..d6d17ac961
--- /dev/null
+++ b/include/asm-ppc/ppc4xx-isram.h
@@ -0,0 +1,75 @@
+
+/*
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _PPC4xx_ISRAM_H_
+#define _PPC4xx_ISRAM_H_
+
+/*
+ * Internal SRAM
+ */
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#define ISRAM0_DCR_BASE 0x380
+#else
+#define ISRAM0_DCR_BASE 0x020
+#endif
+#define ISRAM0_SB0CR	(ISRAM0_DCR_BASE+0x00)	/* SRAM bank config 0*/
+#define ISRAM0_SB1CR	(ISRAM0_DCR_BASE+0x01)	/* SRAM bank config 1*/
+#define ISRAM0_SB2CR	(ISRAM0_DCR_BASE+0x02)	/* SRAM bank config 2*/
+#define ISRAM0_SB3CR	(ISRAM0_DCR_BASE+0x03)	/* SRAM bank config 3*/
+#define ISRAM0_BEAR	(ISRAM0_DCR_BASE+0x04)	/* SRAM bus error addr reg */
+#define ISRAM0_BESR0	(ISRAM0_DCR_BASE+0x05)	/* SRAM bus error status reg 0 */
+#define ISRAM0_BESR1	(ISRAM0_DCR_BASE+0x06)	/* SRAM bus error status reg 1 */
+#define ISRAM0_PMEG	(ISRAM0_DCR_BASE+0x07)	/* SRAM power management */
+#define ISRAM0_CID	(ISRAM0_DCR_BASE+0x08)	/* SRAM bus core id reg */
+#define ISRAM0_REVID	(ISRAM0_DCR_BASE+0x09)	/* SRAM bus revision id reg */
+#define ISRAM0_DPC	(ISRAM0_DCR_BASE+0x0a)	/* SRAM data parity check reg */
+
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#define ISRAM1_DCR_BASE 0x0B0
+#define ISRAM1_SB0CR	(ISRAM1_DCR_BASE+0x00)	/* SRAM1 bank config 0*/
+#define ISRAM1_BEAR	(ISRAM1_DCR_BASE+0x04)	/* SRAM1 bus error addr reg */
+#define ISRAM1_BESR0	(ISRAM1_DCR_BASE+0x05)	/* SRAM1 bus error status reg 0 */
+#define ISRAM1_BESR1	(ISRAM1_DCR_BASE+0x06)	/* SRAM1 bus error status reg 1 */
+#define ISRAM1_PMEG	(ISRAM1_DCR_BASE+0x07)	/* SRAM1 power management */
+#define ISRAM1_CID	(ISRAM1_DCR_BASE+0x08)	/* SRAM1 bus core id reg */
+#define ISRAM1_REVID	(ISRAM1_DCR_BASE+0x09)	/* SRAM1 bus revision id reg */
+#define ISRAM1_DPC	(ISRAM1_DCR_BASE+0x0a)	/* SRAM1 data parity check reg */
+#endif /* CONFIG_460EX || CONFIG_460GT */
+
+/*
+ * L2 Cache
+ */
+#if defined (CONFIG_440GX) || \
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
+    defined(CONFIG_460SX)
+#define L2_CACHE_BASE	0x030
+#define L2_CACHE_CFG	(L2_CACHE_BASE+0x00)	/* L2 Cache Config      */
+#define L2_CACHE_CMD	(L2_CACHE_BASE+0x01)	/* L2 Cache Command     */
+#define L2_CACHE_ADDR	(L2_CACHE_BASE+0x02)	/* L2 Cache Address     */
+#define L2_CACHE_DATA	(L2_CACHE_BASE+0x03)	/* L2 Cache Data        */
+#define L2_CACHE_STAT	(L2_CACHE_BASE+0x04)	/* L2 Cache Status      */
+#define L2_CACHE_CVER	(L2_CACHE_BASE+0x05)	/* L2 Cache Revision ID */
+#define L2_CACHE_SNP0	(L2_CACHE_BASE+0x06)	/* L2 Cache Snoop reg 0 */
+#define L2_CACHE_SNP1	(L2_CACHE_BASE+0x07)	/* L2 Cache Snoop reg 1 */
+#endif /* CONFIG_440GX */
+
+#endif /* _PPC4xx_ISRAM_H_ */