Firebee/FireBee_SVN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tried, but did not find the cause of access error during alignment of the TD buffers...

Browse Source
This commit is contained in:
Markus Fröschle
2013-11-04 20:09:32 +00:00
parent d11cfe5ba0
commit d14bfd1cf2
8 changed files with 57 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
sources/sysinit.c
View File

@@ -347,15 +347,15 @@ void init_fbcs()
xprintf("FlexBus chip select registers initialization: ");
/* Flash */
MCF_FBCS0_CSAR = BOOTFLASH_BASE_ADDRESS;/* flash base address */
MCF_FBCS0_CSCR = MCF_FBCS_CSCR_PS_16 | /* 16 bit word access */
MCF_FBCS_CSCR_WS(6)| /* 6 Waitstates */
MCF_FBCS_CSCR_AA; /* */
MCF_FBCS0_CSAR = BOOTFLASH_BASE_ADDRESS; /* flash base address */
MCF_FBCS0_CSCR = MCF_FBCS_CSCR_PS_16 | /* 16 bit word access */
MCF_FBCS_CSCR_WS(6)| /* 6 Waitstates */
MCF_FBCS_CSCR_AA; /* */
MCF_FBCS0_CSMR = BOOTFLASH_BAM |
MCF_FBCS_CSMR_V; /* 8 MByte on */
MCF_FBCS_CSMR_V; /* enable */
#ifdef MACHINE_FIREBEE /* FBC setup for FireBee */
#if MACHINE_FIREBEE /* FBC setup for FireBee */
MCF_FBCS1_CSAR = 0xFFF00000; /* ATARI I/O ADRESS */
MCF_FBCS1_CSCR = MCF_FBCS_CSCR_PS_16 /* 16BIT PORT */
| MCF_FBCS_CSCR_WS(8) /* DEFAULT 8WS */
@@ -381,6 +381,12 @@ void init_fbcs()
| MCF_FBCS_CSCR_BSTW; // BURST WRITE ENABLE
MCF_FBCS4_CSMR = MCF_FBCS_CSMR_BAM_1G // 4000'0000-7FFF'FFFF
| MCF_FBCS_CSMR_V;
#elif MACHINE_M5484LITE
/* disable other FBCS for now */
MCF_FBCS1_CSMR = 0;
MCF_FBCS2_CSMR = 0;
MCF_FBCS3_CSMR = 0;
MCF_FBCS4_CSMR = 0;
#endif /* MACHINE_FIREBEE */
@@ -837,7 +843,7 @@ extern uint8_t _BAS_RESIDENT_TEXT[];
extern uint8_t _BAS_RESIDENT_TEXT_SIZE[];
#define BAS_RESIDENT_TEXT_SIZE ((uint32_t) _BAS_RESIDENT_TEXT_SIZE)
void clear_datasegment(void)
void clear_data_segment(void)
{
extern uint8_t _BAS_DATA_START[];
uint8_t *BAS_DATA_START = &_BAS_DATA_START[0];
@@ -847,6 +853,16 @@ void clear_datasegment(void)
bzero(BAS_DATA_START, BAS_DATA_END - BAS_DATA_START);
}
void clear_bss_segment(void)
{
extern uint8_t _BAS_BSS_START[];
uint8_t * BAS_BSS_START = &_BAS_BSS_START[0];
extern uint8_t _BAS_BSS_END[];
uint8_t *BAS_BSS_END = &_BAS_BSS_END[0];
bzero(BAS_BSS_START, BAS_BSS_END - BAS_BSS_END);
}
void initialize_hardware(void)
{
/* Test for FireTOS switch: DIP switch #5 up */
@@ -881,8 +897,9 @@ void initialize_hardware(void)
if (BAS_LMA != BAS_IN_RAM)
{
clear_datasegment();
clear_data_segment();
}
clear_bss_segment();
init_gpio();
init_serial();