#include <command.h>
#include <ppc4xx.h>
#include <asm/processor.h>
+#include <asm/ppc4xx-isram.h>
#include <spd_sdram.h>
#include "epld.h"
************************************************************************/
static void l2cache_disable(void)
{
- mtdcr( l2_cache_cfg, 0 );
+ mtdcr( L2_CACHE_CFG, 0 );
}
************************************************************************/
static void l2cache_enable(void) /* see p258 7.4.1 Enabling L2 Cache */
{
- mtdcr( l2_cache_cfg, 0x80000000 ); /* enable L2_MODE L2_CFG[L2M] */
+ mtdcr( L2_CACHE_CFG, 0x80000000 ); /* enable L2_MODE L2_CFG[L2M] */
- mtdcr( l2_cache_addr, 0 ); /* set L2_ADDR with all zeros */
+ mtdcr( L2_CACHE_ADDR, 0 ); /* set L2_ADDR with all zeros */
- mtdcr( l2_cache_cmd, 0x80000000 ); /* issue HCLEAR command via L2_CMD */
+ mtdcr( L2_CACHE_CMD, 0x80000000 ); /* issue HCLEAR command via L2_CMD */
- while (!(mfdcr( l2_cache_stat ) & 0x80000000 )) ;; /* poll L2_SR for completion */
+ while (!(mfdcr( L2_CACHE_STAT ) & 0x80000000 )) ;; /* poll L2_SR for completion */
- mtdcr( l2_cache_cmd, 0x10000000 ); /* clear cache errors L2_CMD[CCP] */
+ mtdcr( L2_CACHE_CMD, 0x10000000 ); /* clear cache errors L2_CMD[CCP] */
- mtdcr( l2_cache_cmd, 0x08000000 ); /* clear tag errors L2_CMD[CTE] */
+ mtdcr( L2_CACHE_CMD, 0x08000000 ); /* clear tag errors L2_CMD[CTE] */
- mtdcr( l2_cache_snp0, 0 ); /* snoop registers */
- mtdcr( l2_cache_snp1, 0 );
+ mtdcr( L2_CACHE_SNP0, 0 ); /* snoop registers */
+ mtdcr( L2_CACHE_SNP1, 0 );
__asm__ volatile ("sync"); /* msync */
- mtdcr( l2_cache_cfg, 0xe0000000 ); /* inst and data use L2 */
+ mtdcr( L2_CACHE_CFG, 0xe0000000 ); /* inst and data use L2 */
__asm__ volatile ("sync");
}
************************************************************************/
static int l2cache_status(void)
{
- return (mfdcr( l2_cache_cfg ) & 0x60000000) != 0;
+ return (mfdcr( L2_CACHE_CFG ) & 0x60000000) != 0;
}
#include <asm/cache.h>
#include <asm/mmu.h>
+#include <asm/ppc4xx-isram.h>
#ifndef CONFIG_IDENT_STRING
#define CONFIG_IDENT_STRING ""
defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
defined(CONFIG_460SX)
- mtdcr l2_cache_cfg,r0 /* Ensure L2 Cache is off */
+ mtdcr L2_CACHE_CFG,r0 /* Ensure L2 Cache is off */
#endif
lis r2,0x7fff
ori r2,r2,0xffff
- mfdcr r1,isram0_dpc
+ mfdcr r1,ISRAM0_DPC
and r1,r1,r2 /* Disable parity check */
- mtdcr isram0_dpc,r1
- mfdcr r1,isram0_pmeg
+ mtdcr ISRAM0_DPC,r1
+ mfdcr r1,ISRAM0_PMEG
and r1,r1,r2 /* Disable pwr mgmt */
- mtdcr isram0_pmeg,r1
+ mtdcr ISRAM0_PMEG,r1
lis r1,0x8000 /* BAS = 8000_0000 */
#if defined(CONFIG_440GX) || defined(CONFIG_440SP)
ori r1,r1,0x0980 /* first 64k */
- mtdcr isram0_sb0cr,r1
+ mtdcr ISRAM0_SB0CR,r1
lis r1,0x8001
ori r1,r1,0x0980 /* second 64k */
- mtdcr isram0_sb1cr,r1
+ mtdcr ISRAM0_SB1CR,r1
lis r1, 0x8002
ori r1,r1, 0x0980 /* third 64k */
- mtdcr isram0_sb2cr,r1
+ mtdcr ISRAM0_SB2CR,r1
lis r1, 0x8003
ori r1,r1, 0x0980 /* fourth 64k */
- mtdcr isram0_sb3cr,r1
+ mtdcr ISRAM0_SB3CR,r1
#elif defined(CONFIG_440SPE)
lis r1,0x0000 /* BAS = 0000_0000 */
ori r1,r1,0x0984 /* first 64k */
- mtdcr isram0_sb0cr,r1
+ mtdcr ISRAM0_SB0CR,r1
lis r1,0x0001
ori r1,r1,0x0984 /* second 64k */
- mtdcr isram0_sb1cr,r1
+ mtdcr ISRAM0_SB1CR,r1
lis r1, 0x0002
ori r1,r1, 0x0984 /* third 64k */
- mtdcr isram0_sb2cr,r1
+ mtdcr ISRAM0_SB2CR,r1
lis r1, 0x0003
ori r1,r1, 0x0984 /* fourth 64k */
- mtdcr isram0_sb3cr,r1
+ mtdcr ISRAM0_SB3CR,r1
#elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
lis r1,0x4000 /* BAS = 8000_0000 */
ori r1,r1,0x4580 /* 16k */
- mtdcr isram0_sb0cr,r1
+ mtdcr ISRAM0_SB0CR,r1
#elif defined(CONFIG_460SX)
lis r1,0x0000 /* BAS = 0000_0000 */
ori r1,r1,0x0B84 /* first 128k */
- mtdcr isram0_sb0cr,r1
+ mtdcr ISRAM0_SB0CR,r1
lis r1,0x0001
ori r1,r1,0x0B84 /* second 128k */
- mtdcr isram0_sb1cr,r1
+ mtdcr ISRAM0_SB1CR,r1
lis r1, 0x0002
ori r1,r1, 0x0B84 /* third 128k */
- mtdcr isram0_sb2cr,r1
+ mtdcr ISRAM0_SB2CR,r1
lis r1, 0x0003
ori r1,r1, 0x0B84 /* fourth 128k */
- mtdcr isram0_sb3cr,r1
+ mtdcr ISRAM0_SB3CR,r1
#elif defined(CONFIG_440GP)
ori r1,r1,0x0380 /* 8k rw */
- mtdcr isram0_sb0cr,r1
- mtdcr isram0_sb1cr,r0 /* Disable bank 1 */
+ mtdcr ISRAM0_SB0CR,r1
+ mtdcr ISRAM0_SB1CR,r0 /* Disable bank 1 */
#endif
#endif /* #if !defined(CONFIG_440EP) && !defined(CONFIG_440GR) */
--- /dev/null
+
+/*
+ * 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_ */
#endif /* 440EP || 440GR || 440EPX || 440GRX */
-/*-----------------------------------------------------------------------------
- | 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 */
-
-/*-----------------------------------------------------------------------------
- | 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_440EP) || defined(CONFIG_440GR) || \
defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT)
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