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

Signed-off-by: Niklaus Giger niklaus.giger@netstal.com --- 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 | 80 ++++++++++++++++-------------------- board/netstal/hcu5/hcu5.c | 8 +-- board/netstal/hcu5/sdram.c | 32 ++++++++------ 7 files changed, 70 insertions(+), 81 deletions(-)

diff --git a/board/netstal/common/fixed_sdram.c b/board/netstal/common/fixed_sdram.c index 8082f60..f7baed6 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. - clh@net1plus.com - * - * Modified 6/6/2007 - * Added isync - * Niklaus Giger, Netstal Maschinen, niklaus.giger@netstal.com - * - */ - #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..9357f3a 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_405GP +#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..bb610e2 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 (Niklaus.Giger@netstal.com) * * 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(CPC0_CR1, CPC0_CR1_VALUE); + mtdcr(CPC0_ECR, 0x60606000); + mtdcr(CPC0_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 +166,15 @@ 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..d3c2233 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