- Fix some coding style violations.
- Use in/out_u16/32 where appropriate.
- Use register names from ppc405.h.
- Fix trace useage for Lauterbach.
- Fix detection of vxWorks EDR.
- Remove obsolete generation HCU2.
- Renamed fixed_hcu4_sdram to init_ppc405_sdram.

Signed-off-by: Niklaus Giger <[EMAIL PROTECTED]>
---
 board/netstal/common/fixed_sdram.c |    2 +-
 board/netstal/common/hcu_flash.c   |   14 ------
 board/netstal/common/nm.h          |   11 ++++-
 board/netstal/common/nm_bsp.c      |    4 +-
 board/netstal/hcu4/hcu4.c          |   78 ++++++++++++++++--------------------
 board/netstal/hcu5/hcu5.c          |    8 +--
 board/netstal/hcu5/sdram.c         |   32 +++++++++------
 7 files changed, 68 insertions(+), 81 deletions(-)

diff --git a/board/netstal/common/fixed_sdram.c 
b/board/netstal/common/fixed_sdram.c
index 8082f60..1df790c 100644
--- a/board/netstal/common/fixed_sdram.c
+++ b/board/netstal/common/fixed_sdram.c
@@ -44,7 +44,7 @@ void show_sdram_registers(void)
 }
 #endif

-long int fixed_hcu4_sdram (unsigned int dram_size)
+long int init_ppc405_sdram (unsigned int dram_size)
 {
 #ifdef DEBUG
        printf(__FUNCTION__);
diff --git a/board/netstal/common/hcu_flash.c b/board/netstal/common/hcu_flash.c
index be2cb37..d0322f2 100644
--- a/board/netstal/common/hcu_flash.c
+++ b/board/netstal/common/hcu_flash.c
@@ -21,18 +21,6 @@
  * MA 02111-1307 USA
  */

-/*
- * Modified 4/5/2001
- * Wait for completion of each sector erase command issued
- * 4/5/2001
- * Chris Hallinan - DS4.COM, Inc. - [EMAIL PROTECTED]
- *
- * Modified 6/6/2007
- * Added isync
- * Niklaus Giger, Netstal Maschinen, [EMAIL PROTECTED]
- *
- */
-
 #include <common.h>
 #include <ppc4xx.h>
 #include <asm/processor.h>
@@ -387,7 +375,6 @@ int flash_erase (flash_info_t * info, int s_first, int 
s_last)
        /* wait at least 80us - let's wait 1 ms */
        udelay (1000);

-#if 0
        /*
         * We wait for the last triggered sector
         */
@@ -396,7 +383,6 @@ int flash_erase (flash_info_t * info, int s_first, int 
s_last)
        wait_for_DQ7 (info, l_sect);

 DONE:
-#endif
        /* reset to read mode */
        addr = (FLASH_WORD_SIZE *) info->start[0];
        addr[0] = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
diff --git a/board/netstal/common/nm.h b/board/netstal/common/nm.h
index 2801e13..f6acd47 100644
--- a/board/netstal/common/nm.h
+++ b/board/netstal/common/nm.h
@@ -27,8 +27,7 @@ extern void set_params_for_sw_install(int install_requested, 
char *board_name );
 extern void common_misc_init_r(void);

 enum {
-       /* HW_GENERATION_HCU1 is no longer supported */
-       HW_GENERATION_HCU2  = 0x10,
+       /* HW_GENERATION_HCU1/2 is no longer supported */
        HW_GENERATION_HCU3  = 0x10,
        HW_GENERATION_HCU4  = 0x20,
        HW_GENERATION_HCU5  = 0x30,
@@ -36,3 +35,11 @@ enum {
        HW_GENERATION_MCU20 = 0x0a,
        HW_GENERATION_MCU25 = 0x09,
 };
+
+#ifdef CONFIG_405GPr
+#if defined(DEBUG)
+void show_sdram_registers(void);
+#endif
+long int init_ppc405_sdram (unsigned int dram_size);
+#endif
+
diff --git a/board/netstal/common/nm_bsp.c b/board/netstal/common/nm_bsp.c
index c4265bb..89c697c 100644
--- a/board/netstal/common/nm_bsp.c
+++ b/board/netstal/common/nm_bsp.c
@@ -29,8 +29,7 @@ DECLARE_GLOBAL_DATA_PTR;

 typedef struct {u8     id;     char *name;} generation_info;

-generation_info generations[7] = {
-       {HW_GENERATION_HCU2,    "HCU2"},
+generation_info generations[6] = {
        {HW_GENERATION_HCU3,    "HCU3"},
        {HW_GENERATION_HCU4,    "HCU4"},
        {HW_GENERATION_HCU5,    "HCU5"},
@@ -134,3 +133,4 @@ void common_misc_init_r(void)
                saveenv();
        }
 }
+
diff --git a/board/netstal/hcu4/hcu4.c b/board/netstal/hcu4/hcu4.c
index 4fbe701..43057a0 100644
--- a/board/netstal/hcu4/hcu4.c
+++ b/board/netstal/hcu4/hcu4.c
@@ -1,5 +1,5 @@
 /*
- *(C) Copyright 2005-2007 Netstal Maschinen AG
+ *(C) Copyright 2005-2008 Netstal Maschinen AG
  *    Niklaus Giger ([EMAIL PROTECTED])
  *
  *    This source code is free software; you can redistribute it
@@ -28,17 +28,10 @@
 DECLARE_GLOBAL_DATA_PTR;

 #define HCU_MACH_VERSIONS_REGISTER     (0x7C000000 + 0xF00000)
-#define SYS_SLOT_ADDRESS               (0x7C000000 + 0x400000)
-#define HCU3_DIGITAL_IO_REGISTER       (0x7C000000 + 0x500000)
+#define HCU_SLOT_ADDRESS               (0x7C000000 + 0x400000)
+#define HCU_DIGITAL_IO_REGISTER                (0x7C000000 + 0x500000)
 #define HCU_SW_INSTALL_REQUESTED       0x10

-#undef DEBUG
-
-#if defined(DEBUG)
-void show_sdram_registers(void);
-#endif
-long int fixed_hcu4_sdram (unsigned int dram_size);
-
 /*
  * This function is run very early, out of flash, and before devices are
  * initialized. It is called by lib_ppc/board.c:board_init_f by virtue
@@ -49,17 +42,12 @@ long int fixed_hcu4_sdram (unsigned int dram_size);
  * anything, not even stack. So be careful.
  */

-#define CPC0_CR0       0xb1    /* Chip control register 0 */
-#define CPC0_CR1        0xb2   /* Chip control register 1 */
 /* Attention: If you want 1 microsecs times from the external oscillator
- * use  0x00804051. But this causes problems with u-boot and linux!
+ * 0x00004051 is okay for u-boot/linux, but different from old vxworks values
+ * 0x00804051 causes problems with u-boot and linux!
  */
 #define CPC0_CR0_VALUE 0x0030103c
 #define CPC0_CR1_VALUE 0x00004051
-#define CPC0_ECR       0xaa    /* Edge condition register */
-#define EBC0_CFG       0x23    /* External Peripheral Control Register */
-#define CPC0_EIRR      0xb6    /* External Interrupt Register */
-

 int board_early_init_f (void)
 {
@@ -70,16 +58,16 @@ int board_early_init_f (void)
         *      IRQ 17-24 RESERVED/UNUSED
         *      IRQ 31 (EXT IRQ 6) (unused)
         */
-       mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
-       mtdcr (uicer, 0x00000000); /* disable all ints */
-       mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
-       mtdcr (uicpr, 0xFFFFE000); /* set int polarities */
-       mtdcr (uictr, 0x00000000); /* set int trigger levels */
-       mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+       mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+       mtdcr(uicer, 0x00000000); /* disable all ints */
+       mtdcr(uiccr, 0x00000000); /* set all to be non-critical */
+       mtdcr(uicpr, 0xFFFFE000); /* set int polarities */
+       mtdcr(uictr, 0x00000000); /* set int trigger levels */
+       mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */

-       mtdcr(CPC0_CR1,  CPC0_CR1_VALUE);
-       mtdcr(CPC0_ECR,  0x60606000);
-       mtdcr(CPC0_EIRR, 0x7c000000);
+       mtdcr(cntrl1,  CPC0_CR1_VALUE);
+       mtdcr(ecr,  0x60606000);
+       mtdcr(eirr, 0x7C000000);

        return 0;
 }
@@ -93,18 +81,19 @@ int board_pre_init (void)

 int sys_install_requested(void)
 {
-       u16 *ioValuePtr = (u16 *)HCU3_DIGITAL_IO_REGISTER;
-       return (in_be16(ioValuePtr) & HCU_SW_INSTALL_REQUESTED) != 0;
+       u16 ioValue = in_be16((u16 *)HCU_DIGITAL_IO_REGISTER);
+       return (ioValue & HCU_SW_INSTALL_REQUESTED) != 0;
 }

 int checkboard (void)
 {
-       u16 *boardVersReg = (u16 *)HCU_MACH_VERSIONS_REGISTER;
-       u16 generation = in_be16(boardVersReg) & 0xf0;
-       u16 index      = in_be16(boardVersReg) & 0x0f;
+       u16 boardVersReg = in_be16((u16 *)HCU_MACH_VERSIONS_REGISTER);
+       u16 generation = boardVersReg & 0xf0;
+       u16 index      = boardVersReg & 0x0f;
+
+       /* Cannot be done in board_early_init */
+       mtdcr(cntrl0,  CPC0_CR0_VALUE);

-       /* Cannot be done, in board_early_init */
-       mtdcr(CPC0_CR0,  CPC0_CR0_VALUE);
        /* Force /RTS to active. The board it not wired quite
         *  correctly to use cts/rtc flow control, so just force the
         *  /RST active and forget about it.
@@ -145,8 +134,8 @@ void sdram_init(void)
  */
 u32 hcu_get_slot(void)
 {
-       u16 *slot = (u16 *)SYS_SLOT_ADDRESS;
-       return in_be16(slot) & 0x7f;
+       u16 slot = in_be16((u16 *)HCU_SLOT_ADDRESS);
+       return slot & 0x7f;
 }

 /*
@@ -154,12 +143,12 @@ u32 hcu_get_slot(void)
  */
 u32 get_serial_number(void)
 {
-       u32 *serial = (u32 *)CFG_FLASH_BASE;
+       u32 serial = in_be32((u32 *)CFG_FLASH_BASE);

-       if (in_be32(serial) == 0xffffffff)
+       if (serial == 0xffffffff)
                return 0;

-       return in_be32(serial);
+       return serial;
 }


@@ -177,12 +166,13 @@ int misc_init_r(void)
 long int initdram(int board_type)
 {
        long dram_size = 0;
-       u16 *boardVersReg = (u16 *) HCU_MACH_VERSIONS_REGISTER;
-       u16 generation = in_be16(boardVersReg) & 0xf0;
-       if (generation == HW_GENERATION_HCU3)
-               dram_size = 32*1024*1024;
-       else dram_size = 64*1024*1024;
-       fixed_hcu4_sdram(dram_size);
+       u16 boardVersReg = in_be16((u16 *)HCU_MACH_VERSIONS_REGISTER);
+       u16 generation = boardVersReg & 0xf0;
+       u16 index      = boardVersReg & 0x0f;
+       if (generation == HW_GENERATION_HCU3 && index < 0xf)
+               dram_size = 32 << 20; /* 32 MB - RAM */
+       else dram_size = 64 << 20;    /* 64 MB - RAM */
+       init_ppc405_sdram(dram_size);

 #ifdef DEBUG
        show_sdram_registers();
diff --git a/board/netstal/hcu5/hcu5.c b/board/netstal/hcu5/hcu5.c
index 2c7afe2..c494e93 100644
--- a/board/netstal/hcu5/hcu5.c
+++ b/board/netstal/hcu5/hcu5.c
@@ -309,15 +309,13 @@ int misc_init_r(void)
         */
        if (mfspr(dbcr0) & 0x80000000) {
                /* External debugger alive
-                * enable trace facilty for Lauterback
-                * CCR0[DAPUIB]=0       Enable broadcast of instruction data
-                *                      to auxiliary processor interface
+                * enable trace facilty for Lauterbach
                 * CCR0[DTB]=0          Enable broadcast of trace information
                 * SDR0_PFC0[TRE]       Trace signals are enabled instead of
                 *                      GPIO49-63
                 */
-               mtspr(ccr0, mfspr(ccr0)  &~ 0x00108000);
-               mtsdr(SDR0_PFC0, sdr0_pfc1 | 0x00000100);
+               mtspr(ccr0, mfspr(ccr0)  &~ (CCR0_DTB));
+               mtsdr(SDR0_PFC0, sdr0_pfc1 | SDR0_PFC0_TRE_ENABLE);
        }
        return 0;
 }
diff --git a/board/netstal/hcu5/sdram.c b/board/netstal/hcu5/sdram.c
index 5435de1..be9a4cb 100644
--- a/board/netstal/hcu5/sdram.c
+++ b/board/netstal/hcu5/sdram.c
@@ -165,19 +165,25 @@ static void program_ecc(unsigned long start_address, 
unsigned long num_bytes)
        u32 val;
        char str[] = "ECC generation -";
 #if defined(CONFIG_PRAM)
-       u32 *magic;
-
-       /* Check whether vxWorks is using EDR logging, if yes zero */
-       /* also PostMortem and user reserved memory */
-       magic = (u32 *)in_be32((u32 *)(start_address + num_bytes -
-                                      (CONFIG_PRAM*1024) + sizeof(u32)));
-
-       debug("\n%s:  CONFIG_PRAM %d kB magic 0x%x 0x%p -> 0x%x\n", 
__FUNCTION__,
-              CONFIG_PRAM,
-              start_address + num_bytes - (CONFIG_PRAM*1024) + sizeof(u32),
-              magic, in_be32(magic));
-       if (in_be32(magic) == 0xbeefbabe)
-               num_bytes -= (CONFIG_PRAM*1024) - PM_RESERVED_MEM;
+       u32 *magicPtr;
+       u32 magic;
+
+       if ((mfspr(dbcr0) & 0x80000000) == 0) {
+               /* only if no external debugger is alive!
+                * Check whether vxWorks is using EDR logging, if yes zero
+                * also PostMortem and user reserved memory
+                */
+               magicPtr =  (u32 *)(start_address + num_bytes -
+                               (CONFIG_PRAM*1024) + sizeof(u32));
+               magic = in_be32(magicPtr);
+               debug("%s:  CONFIG_PRAM %d kB magic 0x%x 0x%p\n",
+                     __FUNCTION__, CONFIG_PRAM,
+                     magicPtr, magic);
+               if (magic == 0xbeefbabe) {
+                       printf("%s: preserving at %p\n", __FUNCTION__, 
magicPtr);
+                       num_bytes -= (CONFIG_PRAM*1024) - PM_RESERVED_MEM;
+               }
+       }
 #endif

        sync();
--
1.5.2.5


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