*
* 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
#include <common.h>
#ifdef CONFIG_PCI
+#include <pci.h>
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
void flash__init (void);
void ether__init (void);
void peripheral_power_enable (void);
#if defined(CONFIG_SHOW_BOOT_PROGRESS)
void show_boot_progress(int progress)
{
- printf("Boot reached stage %d\n", progress);
+ printf("Boot reached stage %d\n", progress);
}
#endif
int board_init (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
/* arch number of Integrator Board */
gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR;
gd->flags = 0;
+#ifdef CONFIG_CM_REMAP
+extern void cm_remap(void);
+ cm_remap(); /* remaps writeable memory to 0x00000000 */
+#endif
+
icache_enable ();
flash__init ();
/* 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 */ \
/* 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; \
/*************************************************************
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)
{
******************************/
int dram_init (void)
{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+#ifdef CONFIG_CM_SPD_DETECT
+ {
+extern void dram_query(void);
+ unsigned long cm_reg_sdram;
+ unsigned long sdram_shift;
+
+ dram_query(); /* Assembler accesses to CM registers */
+ /* Queries the SPD values */
+
+ /* Obtain the SDRAM size from the CM SDRAM register */
+
+ cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
+ /* Register SDRAM size
+ *
+ * 0xXXXXXXbbb000bb 16 MB
+ * 0xXXXXXXbbb001bb 32 MB
+ * 0xXXXXXXbbb010bb 64 MB
+ * 0xXXXXXXbbb011bb 128 MB
+ * 0xXXXXXXbbb100bb 256 MB
+ *
+ */
+ sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
+ gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
+
+ }
+#endif /* CM_SPD_DETECT */
+
return 0;
}
* 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;
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*/;
}
}
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 */
{
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;
/* waits specified delay value and resets timestamp */
void udelay_masked (unsigned long usec)
{
- udelay(usec);
+ udelay(usec);
}
/*
projects / u-boot / blobdiff