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changeset 1370:b83338d7c212

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* cdl/flash_edb7xxx.cdl: * src/edb7xxx_flash.c.c: * src/flash_query.c: * src/flash_erase_block.c: * src/flash_program_buf.c: Place flash functions in RAM sections and no longer implement CYGHWR_IO_FLASH_DEVICE_NOT_IN_RAM. Use generic flash_dev_query().
author asl
date Thu, 20 Nov 2003 12:33:37 +0000
parents c92d7972c02c
children e4d78a7a628d
files packages/devs/flash/arm/edb7xxx/current/ChangeLog packages/devs/flash/arm/edb7xxx/current/cdl/flash_edb7xxx.cdl packages/devs/flash/arm/edb7xxx/current/src/edb7xxx_flash.c packages/devs/flash/arm/edb7xxx/current/src/flash_erase_block.c packages/devs/flash/arm/edb7xxx/current/src/flash_program_buf.c packages/devs/flash/arm/edb7xxx/current/src/flash_query.c
diffstat 6 files changed, 20 insertions(+), 88 deletions(-) [+]
line wrap: on
line diff
--- a/packages/devs/flash/arm/edb7xxx/current/ChangeLog
+++ b/packages/devs/flash/arm/edb7xxx/current/ChangeLog
@@ -1,3 +1,13 @@
+2003-11-20  Jani Monoses <jani@iv.ro>
+	
+	* cdl/flash_edb7xxx.cdl:
+	* src/edb7xxx_flash.c.c:
+	* src/flash_query.c:
+	* src/flash_erase_block.c:
+	* src/flash_program_buf.c: Place flash functions in RAM sections
+	and no longer implement CYGHWR_IO_FLASH_DEVICE_NOT_IN_RAM. Use
+	generic flash_dev_query().
+	
 2001-10-14  Gary Thomas  <gthomas@redhat.com>
 
 	* cdl/flash_edb7xxx.cdl: Missed change in include file location
--- a/packages/devs/flash/arm/edb7xxx/current/cdl/flash_edb7xxx.cdl
+++ b/packages/devs/flash/arm/edb7xxx/current/cdl/flash_edb7xxx.cdl
@@ -67,34 +67,9 @@ cdl_package CYGPKG_DEVS_FLASH_EDB7XXX {
         calculated    1
         no_define
         implements    CYGHWR_IO_FLASH_DEVICE
-        implements    CYGHWR_IO_FLASH_DEVICE_NOT_IN_RAM
-    
-        compile       edb7xxx_flash.c
     
-        make -priority 1 {
-            flash_erase_block.o: $(REPOSITORY)/$(PACKAGE)/src/flash_erase_block.c
-            $(CC) -S $(INCLUDE_PATH) $(CFLAGS) -g0 -mcpu=strongarm -fno-function-sections $(REPOSITORY)/$(PACKAGE)/src/flash_erase_block.c
-            echo " .globl flash_erase_block_end" >>flash_erase_block.s
-            echo "flash_erase_block_end:" >>flash_erase_block.s
-            $(CC) -c -o flash_erase_block.o flash_erase_block.s
-            $(AR) rcs $(PREFIX)/lib/libtarget.a flash_erase_block.o
-        }
-        make -priority 1 {
-            flash_program_buf.o: $(REPOSITORY)/$(PACKAGE)/src/flash_program_buf.c
-            $(CC) -S $(INCLUDE_PATH) $(CFLAGS) -g0 -mcpu=strongarm -fno-function-sections $(REPOSITORY)/$(PACKAGE)/src/flash_program_buf.c
-            echo " .globl flash_program_buf_end" >>flash_program_buf.s
-            echo "flash_program_buf_end:" >>flash_program_buf.s
-            $(CC) -c -o flash_program_buf.o flash_program_buf.s
-            $(AR) rcs $(PREFIX)/lib/libtarget.a flash_program_buf.o
-        }
-        make -priority 1 {
-            flash_query.o: $(REPOSITORY)/$(PACKAGE)/src/flash_query.c
-            $(CC) -S $(INCLUDE_PATH) $(CFLAGS) -g0 -mcpu=strongarm -fno-function-sections $(REPOSITORY)/$(PACKAGE)/src/flash_query.c
-            echo " .globl flash_query_end" >>flash_query.s
-            echo "flash_query_end:" >>flash_query.s
-            $(CC) -c -o flash_query.o flash_query.s
-            $(AR) rcs $(PREFIX)/lib/libtarget.a flash_query.o
-        }
+        compile       edb7xxx_flash.c flash_query.c flash_program_buf.c flash_erase_block.c
+    
     }
     cdl_component CYGPKG_DEVS_FLASH_STRATA_EDB7XXX {
         display       "Cirrus Logic EDB7xxx StrataFLASH memory support"
--- a/packages/devs/flash/arm/edb7xxx/current/src/edb7xxx_flash.c
+++ b/packages/devs/flash/arm/edb7xxx/current/src/edb7xxx_flash.c
@@ -52,7 +52,6 @@
 
 #include <pkgconf/hal.h>
 #include <cyg/hal/hal_arch.h>
-#include <cyg/hal/hal_cache.h>
 
 #define  _FLASH_PRIVATE_
 #include <cyg/io/flash.h>
@@ -65,16 +64,7 @@ int
 flash_hwr_init(void)
 {
     unsigned short data[4];
-    extern char flash_query, flash_query_end;
-    typedef int code_fun(unsigned char *);
-    code_fun *_flash_query;
-    int code_len, stat, num_regions, region_size;
-
-    // Copy 'program' code to RAM for execution
-    code_len = (unsigned long)&flash_query_end - (unsigned long)&flash_query;
-    _flash_query = (code_fun *)flash_info.work_space;
-    memcpy(_flash_query, &flash_query, code_len);
-    HAL_DCACHE_SYNC();  // Should guarantee this code will run
+    int num_regions, region_size;
 
 #if 0
     {
@@ -105,9 +95,8 @@ flash_hwr_init(void)
     }
 #endif
 
-    stat = (*_flash_query)(data);
+    flash_dev_query(data);
 #if 0
-    (*flash_info.pf)("stat = %x\n", stat);
     dump_buf(data, sizeof(data));
 #endif
 
--- a/packages/devs/flash/arm/edb7xxx/current/src/flash_erase_block.c
+++ b/packages/devs/flash/arm/edb7xxx/current/src/flash_erase_block.c
@@ -54,27 +54,17 @@
 
 #include <pkgconf/hal.h>
 #include <cyg/hal/hal_arch.h>
-#include <cyg/hal/hal_cache.h>
 
-//
-// CAUTION!  This code must be copied to RAM before execution.  Therefore,
-// it must not contain any code which might be position dependent!
-//
+int  flash_erase_block(volatile unsigned long * block) 
+    __attribute__ ((section (".2ram.flash_erase_block")));
 
 int flash_erase_block(volatile unsigned long *block)
 {
     volatile unsigned long *ROM, *sb;
     unsigned long stat;
     int timeout = 50000;
-    int cache_on;
     int len, block_size;
 
-    HAL_DCACHE_IS_ENABLED(cache_on);
-    if (cache_on) {
-        HAL_DCACHE_SYNC();
-        HAL_DCACHE_DISABLE();
-    }
-
     ROM = (volatile unsigned long *)((unsigned long)block & 0xFF800000);
 
     // Clear any error conditions
@@ -114,9 +104,5 @@ int flash_erase_block(volatile unsigned 
         if (len == 0) stat = 0;
     }
 
-    if (cache_on) {
-        HAL_DCACHE_ENABLE();
-    }
-
     return stat;
 }
--- a/packages/devs/flash/arm/edb7xxx/current/src/flash_program_buf.c
+++ b/packages/devs/flash/arm/edb7xxx/current/src/flash_program_buf.c
@@ -54,12 +54,9 @@
 
 #include <pkgconf/hal.h>
 #include <cyg/hal/hal_arch.h>
-#include <cyg/hal/hal_cache.h>
 
-//
-// CAUTION!  This code must be copied to RAM before execution.  Therefore,
-// it must not contain any code which might be position dependent!
-//
+int  flash_program_buf(volatile unsigned long* addr, unsigned long* data, int len)
+    __attribute__ ((section (".2ram.flash_program_buf")));
 
 int
 flash_program_buf(volatile unsigned long *addr, unsigned long *data, int len)
@@ -67,13 +64,6 @@ flash_program_buf(volatile unsigned long
     volatile unsigned long *ROM;
     unsigned long stat = 0;
     int timeout = 50000;
-    int cache_on;
-
-    HAL_DCACHE_IS_ENABLED(cache_on);
-    if (cache_on) {
-        HAL_DCACHE_SYNC();
-        HAL_DCACHE_DISABLE();
-    }
 
     ROM = (volatile unsigned long *)((unsigned long)addr & 0xFF800000);
 
@@ -104,9 +94,5 @@ flash_program_buf(volatile unsigned long
  bad:
     ROM[0] = FLASH_Reset;            
 
-    if (cache_on) {
-        HAL_DCACHE_ENABLE();
-    }
-
     return stat;
 }
--- a/packages/devs/flash/arm/edb7xxx/current/src/flash_query.c
+++ b/packages/devs/flash/arm/edb7xxx/current/src/flash_query.c
@@ -54,28 +54,18 @@
 
 #include <pkgconf/hal.h>
 #include <cyg/hal/hal_arch.h>
-#include <cyg/hal/hal_cache.h>
 #include CYGHWR_MEMORY_LAYOUT_H
 
-//
-// CAUTION!  This code must be copied to RAM before execution.  Therefore,
-// it must not contain any code which might be position dependent!
-//
 
 #define CNT 2000*1000*10  // At least 20ms
 
+int flash_query(unsigned short* data) __attribute__ ((section (".2ram.flash_query")));
+
 int
 flash_query(unsigned short *data)
 {
     volatile unsigned long *ROM;
     int cnt;
-    int cache_on;
-
-    HAL_DCACHE_IS_ENABLED(cache_on);
-    if (cache_on) {
-        HAL_DCACHE_SYNC();
-        HAL_DCACHE_DISABLE();
-    }
 
     ROM = (volatile unsigned long *)0xE0000000;
 
@@ -86,9 +76,5 @@ flash_query(unsigned short *data)
 
     ROM[0] = FLASH_Reset;
 
-    if (cache_on) {
-        HAL_DCACHE_ENABLE();
-    }
-
     return 0;
 }