]> git.karo-electronics.de Git - karo-tx-uboot.git/commitdiff
[Blackfin][PATCH] Fix dynamic CPLB generation issue
authorAubrey Li <aubrey.adi@gmail.com>
Thu, 5 Apr 2007 10:33:04 +0000 (18:33 +0800)
committerAubrey Li <aubrey.adi@gmail.com>
Thu, 5 Apr 2007 10:33:04 +0000 (18:33 +0800)
cpu/bf533/cpu.c
include/asm-blackfin/arch-bf533/cplbtab.h [deleted file]
include/asm-blackfin/arch-bf537/cplbtab.h [deleted file]
include/asm-blackfin/cplb.h
lib_blackfin/board.c

index 8b2cd71dfa699a4983bc9da399580a07921a6ac4..8118861f8d86fe4b9f0421f67ccaede04b6663ba 100644 (file)
@@ -93,7 +93,7 @@ void icache_enable(void)
 
        /* Fill the rest with invalid entry */
        if (j <= 15) {
-               for (; j <= 16; j++) {
+               for (; j < 16; j++) {
                        debug("filling %i with 0", j);
                        *I1++ = 0x0;
                }
@@ -169,7 +169,7 @@ void dcache_enable(void)
 
        /* Fill the rest with invalid entry */
        if (j <= 15) {
-               for (; j <= 16; j++) {
+               for (; j < 16; j++) {
                        debug("filling %i with 0", j);
                        *I1++ = 0x0;
                }
diff --git a/include/asm-blackfin/arch-bf533/cplbtab.h b/include/asm-blackfin/arch-bf533/cplbtab.h
deleted file mode 100644 (file)
index 89f0325..0000000
+++ /dev/null
@@ -1,482 +0,0 @@
-/*This file is subject to the terms and conditions of the GNU General Public
- * License.
- *
- * Blackfin BF533/2.6 support : LG Soft India
- * Updated : Ashutosh Singh / Jahid Khan : Rrap Software Pvt Ltd
- * Updated : 1. SDRAM_KERNEL, SDRAM_DKENEL are added as initial cplb's
- *             shouldn't be victimized. cplbmgr.S search logic is corrected
- *             to findout the appropriate victim.
- *          2. SDRAM_IGENERIC in dpdt_table is replaced with SDRAM_DGENERIC
- *          : LG Soft India
- */
-#include <config.h>
-
-#ifndef __ARCH_BFINNOMMU_CPLBTAB_H
-#define __ARCH_BFINNOMMU_CPLBTAB_H
-
-/*************************************************************************
- *                     ICPLB TABLE
- *************************************************************************/
-
-.data
-/* This table is configurable */
-    .align 4;
-
-/* Data Attibutes*/
-
-#define SDRAM_IGENERIC         (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
-#define SDRAM_IKERNEL          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
-#define L1_IMEMORY             (PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
-#define SDRAM_INON_CHBL                (PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
-
-/*Use the menuconfig cache policy here - CONFIG_BLKFIN_WT/CONFIG_BLKFIN_WB*/
-
-#define ANOMALY_05000158               0x200
-#ifdef CONFIG_BLKFIN_WB                /*Write Back Policy */
-#define SDRAM_DGENERIC         (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_DNON_CHBL         (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_DKERNEL          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_USER_WR | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
-#define L1_DMEMORY             (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_EBIU             (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
-
-#else                          /*Write Through */
-#define SDRAM_DGENERIC                 (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_DNON_CHBL         (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_DKERNEL          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
-#define L1_DMEMORY             (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_L1_AOW | CPLB_WT | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_EBIU             (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
-#endif
-
-.align 4;
-.global _ipdt_table _ipdt_table:.byte4 0x00000000;
-.byte4(SDRAM_IKERNEL);         /*SDRAM_Page0 */
-.byte4 0x00400000;
-.byte4(SDRAM_IKERNEL);         /*SDRAM_Page1 */
-.byte4 0x00800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page2 */
-.byte4 0x00C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page3 */
-.byte4 0x01000000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page4 */
-.byte4 0x01400000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page5 */
-.byte4 0x01800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page6 */
-.byte4 0x01C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page7 */
-#ifndef CONFIG_EZKIT           /*STAMP Memory regions */
-.byte4 0x02000000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page8 */
-.byte4 0x02400000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page9 */
-.byte4 0x02800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page10 */
-.byte4 0x02C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page11 */
-.byte4 0x03000000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page12 */
-.byte4 0x03400000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page13 */
-.byte4 0x03800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page14 */
-.byte4 0x03C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page15 */
-#endif
-.byte4 0x20000000;
-.byte4(SDRAM_EBIU);            /* Async Memory Bank 2 (Secnd) */
-
-#ifdef CONFIG_STAMP
-.byte4 0x04000000;
-.byte4(SDRAM_IGENERIC);
-.byte4 0x04400000;
-.byte4(SDRAM_IGENERIC);
-.byte4 0x04800000;
-.byte4(SDRAM_IGENERIC);
-.byte4 0x04C00000;
-.byte4(SDRAM_IGENERIC);
-.byte4 0x05000000;
-.byte4(SDRAM_IGENERIC);
-.byte4 0x05400000;
-.byte4(SDRAM_IGENERIC);
-.byte4 0x05800000;
-.byte4(SDRAM_IGENERIC);
-.byte4 0x05C00000;
-.byte4(SDRAM_IGENERIC);
-.byte4 0x06000000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page25 */
-.byte4 0x06400000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page26 */
-.byte4 0x06800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page27 */
-.byte4 0x06C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page28 */
-.byte4 0x07000000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page29 */
-.byte4 0x07400000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page30 */
-.byte4 0x07800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page31 */
-.byte4 0x07C00000;
-.byte4(SDRAM_IKERNEL);         /*SDRAM_Page32 */
-#endif
-.byte4 0xffffffff;             /* end of section - termination */
-
-/**********************************************************************
- *             PAGE DESCRIPTOR TABLE
- *
- **********************************************************************/
-
-/* Till here we are discussing about the static memory management model.
- * However, the operating envoronments commonly define more CPLB
- * descriptors to cover the entire addressable memory than will fit into
- * the available on-chip 16 CPLB MMRs. When this happens, the below table
- * will be used which will hold all the potentially required CPLB descriptors
- *
- * This is how Page descriptor Table is implemented in uClinux/Blackfin.
- */
-.global _dpdt_table _dpdt_table:.byte4 0x00000000;
-.byte4(SDRAM_DKERNEL);         /*SDRAM_Page0 */
-.byte4 0x00400000;
-.byte4(SDRAM_DKERNEL);         /*SDRAM_Page1 */
-.byte4 0x00800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page2 */
-.byte4 0x00C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page3 */
-.byte4 0x01000000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page4 */
-.byte4 0x01400000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page5 */
-.byte4 0x01800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page6 */
-.byte4 0x01C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page7 */
-
-#ifndef CONFIG_EZKIT
-.byte4 0x02000000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page8 */
-.byte4 0x02400000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page9 */
-.byte4 0x02800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page10 */
-.byte4 0x02C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page11 */
-.byte4 0x03000000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page12 */
-.byte4 0x03400000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page13 */
-.byte4 0x03800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page14 */
-.byte4 0x03C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page15 */
-#endif
-
-#ifdef CONFIG_STAMP
-.byte4 0x04000000;
-.byte4(SDRAM_DGENERIC);
-.byte4 0x04400000;
-.byte4(SDRAM_DGENERIC);
-.byte4 0x04800000;
-.byte4(SDRAM_DGENERIC);
-.byte4 0x04C00000;
-.byte4(SDRAM_DGENERIC);
-.byte4 0x05000000;
-.byte4(SDRAM_DGENERIC);
-.byte4 0x05400000;
-.byte4(SDRAM_DGENERIC);
-.byte4 0x05800000;
-.byte4(SDRAM_DGENERIC);
-.byte4 0x05C00000;
-.byte4(SDRAM_DGENERIC);
-.byte4 0x06000000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page25 */
-.byte4 0x06400000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page26 */
-.byte4 0x06800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page27 */
-.byte4 0x06C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page28 */
-.byte4 0x07000000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page29 */
-.byte4 0x07400000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page30 */
-.byte4 0x07800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page31 */
-.byte4 0x07C00000;
-.byte4(SDRAM_DKERNEL);         /*SDRAM_Page32 */
-#endif
-
-.byte4 0x20000000;
-.byte4(SDRAM_EBIU);            /* Async Memory Bank 0 (Prim A) */
-
-#if (BFIN_CPU == ADSP_BF533)
-.byte4 0xFF800000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF801000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF802000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF803000;
-.byte4(L1_DMEMORY);
-#endif
-.byte4 0xFF804000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF805000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF806000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF807000;
-.byte4(L1_DMEMORY);
-#if (BFIN_CPU == ADSP_BF533)
-.byte4 0xFF900000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF901000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF902000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF903000;
-.byte4(L1_DMEMORY);
-#endif
-#if ((BFIN_CPU == ADSP_BF532) || (BFIN_CPU == ADSP_BF533))
-.byte4 0xFF904000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF905000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF906000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF907000;
-.byte4(L1_DMEMORY);
-#endif
-.byte4 0xFFB00000;
-.byte4(L1_DMEMORY);
-
-.byte4 0xffffffff;             /*end of section - termination */
-
-#ifdef CONFIG_CPLB_INFO
-.global _ipdt_swapcount_table; /* swapin count first, then swapout count */
-_ipdt_swapcount_table:
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 10 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 20 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 30 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 40 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 50 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 60 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 70 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 80 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 90 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 100 */
-
-.global _dpdt_swapcount_table; /* swapin count first, then swapout count */
-_dpdt_swapcount_table:
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 10 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 20 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 30 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 40 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 50 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 60 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 70 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 80 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 80 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 100 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 110 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 120 */
-#endif
-
-#endif /*__ARCH_BFINNOMMU_CPLBTAB_H*/
diff --git a/include/asm-blackfin/arch-bf537/cplbtab.h b/include/asm-blackfin/arch-bf537/cplbtab.h
deleted file mode 100644 (file)
index c5151bb..0000000
+++ /dev/null
@@ -1,408 +0,0 @@
-/*This file is subject to the terms and conditions of the GNU General Public
- * License.
- *
- * Blackfin BF533/2.6 support : LG Soft India
- * Updated : Ashutosh Singh / Jahid Khan : Rrap Software Pvt Ltd
- * Updated : 1. SDRAM_KERNEL, SDRAM_DKENEL are added as initial cplb's
- *             shouldn't be victimized. cplbmgr.S search logic is corrected
- *             to findout the appropriate victim.
- *          2. SDRAM_IGENERIC in dpdt_table is replaced with SDRAM_DGENERIC
- *          : LG Soft India
- */
-#include <config.h>
-
-#ifndef __ARCH_BFINNOMMU_CPLBTAB_H
-#define __ARCH_BFINNOMMU_CPLBTAB_H
-
-/*
- * ICPLB TABLE
- */
-
-.data
-/* This table is configurable */
-    .align 4;
-
-/* Data Attibutes*/
-
-#define SDRAM_IGENERIC         (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
-#define SDRAM_IKERNEL          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
-#define L1_IMEMORY             (PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
-#define SDRAM_INON_CHBL                (PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
-
-/*Use the menuconfig cache policy here - CONFIG_BLKFIN_WT/CONFIG_BLKFIN_WB*/
-
-#define ANOMALY_05000158       0x200
-#ifdef CONFIG_BLKFIN_WB                /*Write Back Policy */
-#define SDRAM_DGENERIC         (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_DNON_CHBL                (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_DKERNEL          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_USER_WR | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
-#define L1_DMEMORY             (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_EBIU             (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
-
-#else                          /*Write Through */
-#define SDRAM_DGENERIC         (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_DNON_CHBL                (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_DKERNEL          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
-#define L1_DMEMORY             (PAGE_SIZE_4KB | CPLB_L1_CHBL | CPLB_L1_AOW | CPLB_WT | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
-#define SDRAM_EBIU             (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
-#endif
-
-.align 4;
-.global _ipdt_table _ipdt_table:.byte4 0x00000000;
-.byte4(SDRAM_IKERNEL);         /*SDRAM_Page0 */
-.byte4 0x00400000;
-.byte4(SDRAM_IKERNEL);         /*SDRAM_Page1 */
-.byte4 0x00800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page2 */
-.byte4 0x00C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page3 */
-.byte4 0x01000000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page4 */
-.byte4 0x01400000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page5 */
-.byte4 0x01800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page6 */
-.byte4 0x01C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page7 */
-.byte4 0x02000000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page8 */
-.byte4 0x02400000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page9 */
-.byte4 0x02800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page10 */
-.byte4 0x02C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page11 */
-.byte4 0x03000000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page12 */
-.byte4 0x03400000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page13 */
-.byte4 0x03800000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page14 */
-.byte4 0x03C00000;
-.byte4(SDRAM_IGENERIC);                /*SDRAM_Page15 */
-.byte4 0x20000000;
-.byte4(SDRAM_EBIU);            /* Async Memory Bank 2 (Secnd) */
-
-.byte4 0xffffffff;             /* end of section - termination */
-
-/*
- * PAGE DESCRIPTOR TABLE
- *
- */
-
-/*
- * Till here we are discussing about the static memory management model.
- * However, the operating envoronments commonly define more CPLB
- * descriptors to cover the entire addressable memory than will fit into
- * the available on-chip 16 CPLB MMRs. When this happens, the below table
- * will be used which will hold all the potentially required CPLB descriptors
- *
- * This is how Page descriptor Table is implemented in uClinux/Blackfin.
- */
-.global _dpdt_table _dpdt_table:.byte4 0x00000000;
-.byte4(SDRAM_DKERNEL);         /*SDRAM_Page0 */
-.byte4 0x00400000;
-.byte4(SDRAM_DKERNEL);         /*SDRAM_Page1 */
-.byte4 0x00800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page2 */
-.byte4 0x00C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page3 */
-.byte4 0x01000000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page4 */
-.byte4 0x01400000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page5 */
-.byte4 0x01800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page6 */
-.byte4 0x01C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page7 */
-.byte4 0x02000000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page8 */
-.byte4 0x02400000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page9 */
-.byte4 0x02800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page10 */
-.byte4 0x02C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page11 */
-.byte4 0x03000000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page12 */
-.byte4 0x03400000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page13 */
-.byte4 0x03800000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page14 */
-.byte4 0x03C00000;
-.byte4(SDRAM_DGENERIC);                /*SDRAM_Page15 */
-.byte4 0x20000000;
-.byte4(SDRAM_EBIU);            /* Async Memory Bank 0 (Prim A) */
-
-#if ((BFIN_CPU == ADSP_BF534) || (BFIN_CPU == ADSP_BF537))
-.byte4 0xFF800000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF801000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF802000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF803000;
-.byte4(L1_DMEMORY);
-#endif
-.byte4 0xFF804000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF805000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF806000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF807000;
-.byte4(L1_DMEMORY);
-#if ((BFIN_CPU == ADSP_BF534) || (BFIN_CPU == ADSP_BF537))
-.byte4 0xFF900000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF901000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF902000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF903000;
-.byte4(L1_DMEMORY);
-#endif
-.byte4 0xFF904000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF905000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF906000;
-.byte4(L1_DMEMORY);
-.byte4 0xFF907000;
-.byte4(L1_DMEMORY);
-
-.byte4 0xFFB00000;
-.byte4(L1_DMEMORY);
-
-.byte4 0xffffffff;             /*end of section - termination */
-
-#ifdef CONFIG_CPLB_INFO
-.global _ipdt_swapcount_table; /* swapin count first, then swapout count */
-_ipdt_swapcount_table:
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 10 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 20 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 30 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 40 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 50 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 60 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 70 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 80 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 90 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 100 */
-
-.global _dpdt_swapcount_table; /* swapin count first, then swapout count */
-_dpdt_swapcount_table:
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 10 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 20 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 30 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 40 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 50 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 60 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 70 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 80 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 80 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 100 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 110 */
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;
-.byte4 0x00000000;             /* 120 */
-
-#endif
-
-#endif /*__ARCH_BFINNOMMU_CPLBTAB_H*/
index dd695e10ade98625289b3cb23f1a5ccc352cbcac..9d8d9ecc87bac687c28956cb3d653c383268cb73 100644 (file)
@@ -50,7 +50,7 @@
 
 #define SDRAM_IGENERIC          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
 #define SDRAM_IKERNEL           (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
-#define L1_IMEMORY              (PAGE_SIZE_1MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
+#define L1_IMEMORY              (PAGE_SIZE_1MB | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
 #define SDRAM_INON_CHBL         (PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
 
 /*Use the menuconfig cache policy here - CONFIG_BLKFIN_WT/CONFIG_BLKFIN_WB*/
 #define SDRAM_DGENERIC          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
 #define SDRAM_DNON_CHBL         (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
 #define SDRAM_DKERNEL           (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_USER_WR | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
-#define L1_DMEMORY              (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
+#define L1_DMEMORY              (PAGE_SIZE_4MB | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
 #define SDRAM_EBIU              (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
 
 #else                          /*Write Through */
 #define SDRAM_DGENERIC          (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
 #define SDRAM_DNON_CHBL         (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158)
 #define SDRAM_DKERNEL           (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158)
-#define L1_DMEMORY              (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_L1_AOW | CPLB_WT | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
+#define L1_DMEMORY              (PAGE_SIZE_4MB | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158)
 #define SDRAM_EBIU              (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158)
 #endif
 
 #if defined(CONFIG_BF561)
-#define page_descriptor_table_size (CONFIG_MEM_SIZE/4 + 2)     /* SDRAM +L1 + ASYNC_Memory */
+#define page_descriptor_table_size (CONFIG_MEM_SIZE/4 + 1 + 4) /* SDRAM +L1 + ASYNC_Memory */
 #else
-#define page_descriptor_table_size (CONFIG_MEM_SIZE/4 + 1 + 3) /* SDRAM + L1 + ASYNC_Memory */
+#define page_descriptor_table_size (CONFIG_MEM_SIZE/4 + 2)     /* SDRAM + L1 + ASYNC_Memory */
 #endif
 #endif                         /* _CPLB_H */
index 554fae6a3e61a77c7f19aec102fd50ad8c58c9cc..1538da3f29a6f6a0317e9ff7d75d23322baf0161 100644 (file)
@@ -182,7 +182,7 @@ void init_cplbtables(void)
        icplb_table[j][1] = L1_IMEMORY;
        j++;
 
-       for (i = 0; i <= CONFIG_MEM_SIZE / 4; i++) {
+       for (i = 0; i < CONFIG_MEM_SIZE / 4; i++) {
                icplb_table[j][0] = (i * 4 * 1024 * 1024);
                if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
                    && (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
@@ -193,14 +193,19 @@ void init_cplbtables(void)
                j++;
        }
 #if defined(CONFIG_BF561)
+       /* MAC space */
+       icplb_table[j][0] = 0x2C000000;
+       icplb_table[j][1] = SDRAM_INON_CHBL;
+       j++;
        /* Async Memory space */
        for (i = 0; i < 3; i++) {
-               icplb_table[j++][0] = 0x20000000 + i * 4 * 1024 * 1024;
-               icplb_table[j++][1] = SDRAM_IGENERIC;
+               icplb_table[j][0] = 0x20000000 + i * 4 * 1024 * 1024;
+               icplb_table[j][1] = SDRAM_INON_CHBL;
+               j++;
        }
 #else
        icplb_table[j][0] = 0x20000000;
-       icplb_table[j][1] = SDRAM_IGENERIC;
+       icplb_table[j][1] = SDRAM_INON_CHBL;
 #endif
        j = 0;
        dcplb_table[j][0] = 0xFF800000;
@@ -220,13 +225,15 @@ void init_cplbtables(void)
 
 #if defined(CONFIG_BF561)
        /* MAC space */
-       dcplb_table[j++][0] = CONFIG_ASYNC_EBIU_BASE;
-       dcplb_table[j++][1] = SDRAM_EBIU;
+       dcplb_table[j][0] = 0x2C000000;
+       dcplb_table[j][1] = SDRAM_EBIU;
+       j++;
 
        /* Flash space */
-       for (i = 0; i < 2; i++) {
-               dcplb_table[j++][0] = 0x20000000 + i * 4 * 1024 * 1024;
-               dcplb_table[j++][1] = SDRAM_EBIU;
+       for (i = 0; i < 3; i++) {
+               dcplb_table[j][0] = 0x20000000 + i * 4 * 1024 * 1024;
+               dcplb_table[j][1] = SDRAM_EBIU;
+               j++;
        }
 #else
        dcplb_table[j][0] = 0x20000000;