diff options
Diffstat (limited to 'board/integratorap/integratorap.c')
| -rw-r--r-- | board/integratorap/integratorap.c | 66 |
1 files changed, 32 insertions, 34 deletions
diff --git a/board/integratorap/integratorap.c b/board/integratorap/integratorap.c index 6140a7a..31bd1d4 100644 --- a/board/integratorap/integratorap.c +++ b/board/integratorap/integratorap.c @@ -24,7 +24,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -109,17 +109,17 @@ static struct pci_config_table pci_integrator_config_table[] = { /* V3 access routines */ #define _V3Write16(o,v) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned short)(v)) -#define _V3Read16(o) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o))) +#define _V3Read16(o) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o))) #define _V3Write32(o,v) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned int)(v)) -#define _V3Read32(o) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o))) +#define _V3Read32(o) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o))) /* Compute address necessary to access PCI config space for the given */ /* bus and device. */ #define PCI_CONFIG_ADDRESS( __bus, __devfn, __offset ) ({ \ unsigned int __address, __devicebit; \ unsigned short __mapaddress; \ - unsigned int __dev = PCI_DEV (__devfn); /* FIXME to check!! (slot?) */ \ + unsigned int __dev = PCI_DEV (__devfn); /* FIXME to check!! (slot?) */ \ \ if (__bus == 0) { \ /* local bus segment so need a type 0 config cycle */ \ @@ -142,10 +142,10 @@ static struct pci_config_table pci_integrator_config_table[] = { /* A31-A24 are don't care (so clear to 0) */ \ __mapaddress = 0x000B; /* 101=>config cycle, 1=>A1&A0 from PCI_CFG */ \ __address = PCI_CONFIG_BASE; \ - __address |= ((__bus & 0xFF) << 16); /* bits 23..16 = bus number */ \ - __address |= ((__dev & 0x1F) << 11); /* bits 15..11 = device number */ \ + __address |= ((__bus & 0xFF) << 16); /* bits 23..16 = bus number */ \ + __address |= ((__dev & 0x1F) << 11); /* bits 15..11 = device number */ \ __address |= ((__devfn & 0x07) << 8); /* bits 10..8 = function number */ \ - __address |= __offset & 0xFF; /* bits 7..0 = register number */ \ + __address |= __offset & 0xFF; /* bits 7..0 = register number */ \ } \ _V3Write16 (V3_LB_MAP1, __mapaddress); \ __address; \ @@ -463,7 +463,7 @@ void flash__init (void) /************************************************************* Routine:ether__init Description: take the Ethernet controller out of reset and wait - for the EEPROM load to complete. + for the EEPROM load to complete. *************************************************************/ void ether__init (void) { @@ -483,36 +483,36 @@ int dram_init (void) * and is a 16-bit counter */ /* U-Boot expects a 32 bit timer running at CFG_HZ*/ -static ulong timestamp; /* U-Boot ticks since startup */ -static ulong total_count = 0; /* Total timer count */ -static ulong lastdec; /* Timer reading at last call */ -static ulong div_clock = 256; /* Divisor applied to the timer clock */ -static ulong div_timer = 1; /* Divisor to convert timer reading - * change to U-Boot ticks - */ +static ulong timestamp; /* U-Boot ticks since startup */ +static ulong total_count = 0; /* Total timer count */ +static ulong lastdec; /* Timer reading at last call */ +static ulong div_clock = 256; /* Divisor applied to the timer clock */ +static ulong div_timer = 1; /* Divisor to convert timer reading + * change to U-Boot ticks + */ /* CFG_HZ = CFG_HZ_CLOCK/(div_clock * div_timer) */ #define TIMER_LOAD_VAL 0x0000FFFFL #define READ_TIMER ((*(volatile ulong *)(CFG_TIMERBASE+4)) & 0x0000FFFFL) -/* all function return values in U-Boot ticks i.e. (1/CFG_HZ) sec +/* all function return values in U-Boot ticks i.e. (1/CFG_HZ) sec * - unless otherwise stated */ -/* starts a counter - * - the Integrator/AP timer issues an interrupt - * each time it reaches zero +/* starts a counter + * - the Integrator/AP timer issues an interrupt + * each time it reaches zero */ int interrupt_init (void) { /* Load timer with initial value */ *(volatile ulong *)(CFG_TIMERBASE + 0) = TIMER_LOAD_VAL; /* Set timer to be - * enabled 1 - * free-running 0 - * XX 00 - * divider 256 10 - * XX 00 + * enabled 1 + * free-running 0 + * XX 00 + * divider 256 10 + * XX 00 */ *(volatile ulong *)(CFG_TIMERBASE + 8) = 0x00000088; total_count = 0; @@ -555,10 +555,9 @@ void udelay (unsigned long usec) tmo /= (1000000L); tmp = get_timer_masked(); /* get current timestamp */ - tmo += tmp; /* wake up timestamp */ + tmo += tmp; /* wake up timestamp */ - while (get_timer_masked () < tmo)/* loop till event */ - { + while (get_timer_masked () < tmo) { /* loop till event */ /*NOP*/; } } @@ -566,11 +565,11 @@ void udelay (unsigned long usec) void reset_timer_masked (void) { /* reset time */ - lastdec = READ_TIMER; /* capture current decrementer value */ + lastdec = READ_TIMER; /* capture current decrementer value */ timestamp = 0; /* start "advancing" time stamp from 0 */ } -/* converts the timer reading to U-Boot ticks */ +/* converts the timer reading to U-Boot ticks */ /* the timestamp is the number of ticks since reset */ /* This routine does not detect wraps unless called regularly ASSUMES a call at least every 16 seconds to detect every reload */ @@ -578,14 +577,13 @@ ulong get_timer_masked (void) { ulong now = READ_TIMER; /* current count */ - if(now > lastdec) - { + if (now > lastdec) { /* Must have wrapped */ - total_count += lastdec + TIMER_LOAD_VAL + 1 - now; + total_count += lastdec + TIMER_LOAD_VAL + 1 - now; } else { total_count += lastdec - now; } - lastdec = now; + lastdec = now; timestamp = total_count/div_timer; return timestamp; @@ -594,7 +592,7 @@ ulong get_timer_masked (void) /* waits specified delay value and resets timestamp */ void udelay_masked (unsigned long usec) { - udelay(usec); + udelay(usec); } /* |