integratorap_config : unconfig
@echo -n "/* Integrator configuration implied " > tmp.fil; \
echo " by Makefile target */" >> tmp.fil; \
- echo >> tmp.fil
+ echo >> tmp.fil
@echo -n "#define CONFIG_INTEGRATOR 1" >> tmp.fil; \
echo " /* Integrator board */" >> tmp.fil; \
echo -n "#define CONFIG_ARCH_INTEGRATOR" >> tmp.fil; \
integratorap_CM1136JF_S_config : unconfig
@echo -n "/* Integrator configuration implied " > tmp.fil; \
echo " by Makefile target */" >> tmp.fil; \
- echo >> tmp.fil
+ echo >> tmp.fil
@echo -n "#define CONFIG_INTEGRATOR 1" >> tmp.fil; \
echo " /* Integrator board */" >> tmp.fil; \
echo -n "#define CONFIG_ARCH_INTEGRATOR" >> tmp.fil; \
integratorcp_config : unconfig
@echo -n "/* Integrator configuration implied " > tmp.fil; \
echo " by Makefile target */" >> tmp.fil; \
- echo >> tmp.fil
+ echo >> tmp.fil
@echo -n "#define CONFIG_INTEGRATOR 1" >> tmp.fil; \
echo " /* Integrator board */" >> tmp.fil; \
echo -n "#define CONFIG_ARCH_CINTEGRATOR" >> tmp.fil; \
integratorcp_CM1136JF_S_config : unconfig
@echo -n "/* Integrator configuration implied " > tmp.fil; \
echo " by Makefile target */" >> tmp.fil; \
- echo >> tmp.fil
+ echo >> tmp.fil
@echo -n "#define CONFIG_INTEGRATOR 1" >> tmp.fil; \
echo " /* Integrator board */" >> tmp.fil; \
echo -n "#define CONFIG_ARCH_CINTEGRATOR" >> tmp.fil; \
-include .depend
#########################################################################
-
*
* 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
/* 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)
{
* 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);
}
/*
/*
- * Memory setup for integratorAP
+ * Memory setup for integratorAP
*
* See file CREDITS for list of people who contributed to this
* project.
.globl memsetup
memsetup:
mov pc,lr
-
reset_failed:
b reset_failed
-
*
* 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
DECLARE_GLOBAL_DATA_PTR;
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+ 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 */
+ /* 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
- *
+ /* 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;
+ sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
+ gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
- }
+ }
#endif /* CM_SPD_DETECT */
return 0;
/* U-Boot expects a 32 bit timer, running at CFG_HZ */
/* Keep total timer count to avoid losing decrements < div_timer */
static unsigned long long total_count = 0;
-static unsigned long long lastdec; /* Timer reading at last call */
+static unsigned long long lastdec; /* Timer reading at last call */
static unsigned long long div_clock = 1; /* Divisor applied to timer clock */
static unsigned long long div_timer = 1; /* Divisor to convert timer reading
* change to U-Boot ticks
*/
/* CFG_HZ = CFG_HZ_CLOCK/(div_clock * div_timer) */
-static ulong timestamp; /* U-Boot ticks since startup */
+static ulong timestamp; /* U-Boot ticks since startup */
#define TIMER_LOAD_VAL ((ulong)0xFFFFFFFF)
#define READ_TIMER (*(volatile ulong *)(CFG_TIMERBASE+4))
/* Load timer with initial value */
*(volatile ulong *)(CFG_TIMERBASE + 0) = TIMER_LOAD_VAL;
/* Set timer to be
- * enabled 1
- * periodic 1
- * no interrupts 0
- * X 0
- * divider 1 00 == less rounding error
- * 32 bit 1
- * wrapping 0
+ * enabled 1
+ * periodic 1
+ * no interrupts 0
+ * X 0
+ * divider 1 00 == less rounding error
+ * 32 bit 1
+ * wrapping 0
*/
*(volatile ulong *)(CFG_TIMERBASE + 8) = 0x000000C2;
/* init the timestamp */
tmp = get_timer_masked(); /* get current timestamp */
tmo += tmp; /* form target timestamp */
- while (get_timer_masked () < tmo)/* loop till event */
- {
+ while (get_timer_masked () < tmo) {/* loop till event */
/*NOP*/;
}
}
void reset_timer_masked (void)
{
/* capure current decrementer value */
- lastdec = (unsigned long long)READ_TIMER;
+ lastdec = (unsigned long long)READ_TIMER;
/* start "advancing" time stamp from 0 */
- timestamp = 0L;
+ timestamp = 0L;
}
-/* 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 */
ulong get_timer_masked (void)
{
/* get current count */
unsigned long long now = (unsigned long long)READ_TIMER;
- 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 = (ulong)(total_count/div_timer);
return timestamp;
/*
- * Memory setup for integratorAP
+ * Memory setup for integratorAP
*
* See file CREDITS for list of people who contributed to this
* project.
.globl memsetup
memsetup:
mov pc,lr
-
*
* 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
#ifdef CONFIG_CM_INIT
/* CM has an initialization register
* - bits in it are wired into test-chip pins to force
- * reset defaults
- * - may need to change its contents for U-Boot
+ * reset defaults
+ * - may need to change its contents for U-Boot
*/
/* set the desired CM specific value */
#if !defined (CONFIG_CM920T) && !defined (CONFIG_CM920T_ETM) && \
!defined (CONFIG_CM940T)
-
-#ifdef CONFIG_CM_MULTIPLE_SSRAM
- /* set simple mapping */
+
+#ifdef CONFIG_CM_MULTIPLE_SSRAM
+ /* set simple mapping */
and r2,r2,#CMMASK_MAP_SIMPLE
#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
-#ifdef CONFIG_CM_TCRAM
- /* disable TCRAM */
+#ifdef CONFIG_CM_TCRAM
+ /* disable TCRAM */
and r2,r2,#CMMASK_TCRAM_DISABLE
-#endif /* #ifdef CONFIG_CM_TCRAM */
+#endif /* #ifdef CONFIG_CM_TCRAM */
#if defined (CONFIG_CM926EJ_S) || defined (CONFIG_CM1026EJ_S) || \
defined (CONFIG_CM1136JF_S)
and r2,r2,#CMMASK_LE
-
+
#endif /* cpu with little endian initialization */
orr r2,r2,#CMMASK_CMxx6_COMMON
#endif /* CMxx6 code */
-
+
#endif /* ARM102xxE value */
-
- /* read CM_INIT */
+
+ /* read CM_INIT */
mov r0, #CM_BASE
ldr r1, [r0, #OS_INIT]
/* check against desired bit setting */
and r3,r1,r2
cmp r3,r2
beq init_reg_OK
-
- /* lock for change */
+
+ /* lock for change */
mov r3, #CMVAL_LOCK
and r3,r3,#CMMASK_LOCK
str r3, [r0, #OS_LOCK]
b reset_cpu
init_reg_OK:
-
-#endif /* CONFIG_CM_INIT */
+
+#endif /* CONFIG_CM_INIT */
mov pc, lr
-#ifdef CONFIG_CM_SPD_DETECT
+#ifdef CONFIG_CM_SPD_DETECT
/* Fast memory is available for the DRAM data
- * - ensure it has been transferred, then summarize the data
+ * - ensure it has been transferred, then summarize the data
* into a CM register
*/
.globl dram_query
dram_query:
stmfd r13!,{r4-r6,lr}
- /* set up SDRAM info */
+ /* set up SDRAM info */
/* - based on example code from the CM User Guide */
mov r0, #CM_BASE
-
+
readspdbit:
- ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
- and r1, r1, #0x20 /* mask SPD bit (5) */
- cmp r1, #0x20 /* test if set */
+ ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
+ and r1, r1, #0x20 /* mask SPD bit (5) */
+ cmp r1, #0x20 /* test if set */
bne readspdbit
setupsdram:
add r0, r0, #OS_SPD /* address the copy of the SDP data */
- ldrb r1, [r0, #3] /* number of row address lines */
+ ldrb r1, [r0, #3] /* number of row address lines */
ldrb r2, [r0, #4] /* number of column address lines */
- ldrb r3, [r0, #5] /* number of banks */
- ldrb r4, [r0, #31] /* module bank density */
+ ldrb r3, [r0, #5] /* number of banks */
+ ldrb r4, [r0, #31] /* module bank density */
mul r5, r4, r3 /* size of SDRAM (MB divided by 4) */
- mov r5, r5, ASL#2 /* size in MB */
- mov r0, #CM_BASE /* reload for later code */
- cmp r5, #0x10 /* is it 16MB? */
+ mov r5, r5, ASL#2 /* size in MB */
+ mov r0, #CM_BASE /* reload for later code */
+ cmp r5, #0x10 /* is it 16MB? */
bne not16
mov r6, #0x2 /* store size and CAS latency of 2 */
b writesize
writesize:
mov r1, r1, ASL#8 /* row addr lines from SDRAM reg */
- orr r2, r1, r2, ASL#12 /* OR in column address lines */
- orr r3, r2, r3, ASL#16 /* OR in number of banks */
- orr r6, r6, r3 /* OR in size and CAS latency */
- str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
+ orr r2, r1, r2, ASL#12 /* OR in column address lines */
+ orr r3, r2, r3, ASL#16 /* OR in number of banks */
+ orr r6, r6, r3 /* OR in size and CAS latency */
+ str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
#endif /* #ifdef CONFIG_CM_SPD_DETECT */
ldmfd r13!,{r4-r6,pc} /* back to caller */
-#ifdef CONFIG_CM_REMAP
- /* CM remap bit is operational
+#ifdef CONFIG_CM_REMAP
+ /* CM remap bit is operational
* - use it to map writeable memory at 0x00000000, in place of flash
*/
.globl cm_remap
-cm_remap:
+cm_remap:
stmfd r13!,{r4-r10,lr}
mov r0, #CM_BASE
str r1, [r0, #OS_CTRL]
/* Now 0x00000000 is writeable, replace the vectors */
- ldr r0, =_start /* r0 <- start of vectors */
- ldr r2, =_armboot_start /* r2 <- past vectors */
- sub r1,r1,r1 /* destination 0x00000000 */
+ ldr r0, =_start /* r0 <- start of vectors */
+ ldr r2, =_armboot_start /* r2 <- past vectors */
+ sub r1,r1,r1 /* destination 0x00000000 */
copy_vec:
ldmia r0!, {r3-r10} /* copy from source address [r0] */
cmp r0, r2 /* until source end address [r2] */
ble copy_vec
- ldmfd r13!,{r4-r10,pc} /* back to caller */
+ ldmfd r13!,{r4-r10,pc} /* back to caller */
#endif /* #ifdef CONFIG_CM_REMAP */
-
void watchdog_init(void)
{
/* There are 4 watch dogs. 1 secure, and 3 general purpose.
- * The ROM takes care of the secure one. Of the 3 GP ones,
+ * The ROM takes care of the secure one. Of the 3 GP ones,
* 1 can reset us directly, the other 2 only generate MPU interrupts.
*/
__raw_writel(WD_UNLOCK1 ,WD2_BASE+WSPR);
/* ASSUMED to be a timer interrupt */
/* Just clear it - count handled in */
/* integratorap.c */
- *(volatile ulong *)(CFG_TIMERBASE + 0x0C) = 0;
+ *(volatile ulong *)(CFG_TIMERBASE + 0x0C) = 0;
#else
printf ("interrupt request\n");
show_regs (pt_regs);
# ifdef CONFIG_INTEGRATOR
- /* Satisfied by Integrator routine (AP or CP) */
+ /* Satisfied by Integrator routine (AP or CP) */
#else
.word 0xfffece10
#endif /* #ifdef CONFIG_INTEGRATOR */
-
sinclude .depend
#########################################################################
-
*
* 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
unsigned long value;
__asm__ __volatile__(
- "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n"
+ "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n"
: "=r" (value)
:
: "memory");
printf ("write %08lx to p15/c1\n", value);
#endif
__asm__ __volatile__(
- "mcr p15, 0, %0, c1, c0, 0 @ write it back\n"
+ "mcr p15, 0, %0, c1, c0, 0 @ write it back\n"
:
: "r" (value)
: "memory");
#define C1_SYS_PROT (1<<8) /* system protection */
#define C1_ROM_PROT (1<<9) /* ROM protection */
#define C1_IC (1<<12) /* icache off/on */
-#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */
+#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */
int cpu_init (void)
disable_interrupts ();
- /* ARM926E-S needs the protection unit enabled for the icache to have
- * been enabled - left for possible later use
+ /* ARM926E-S needs the protection unit enabled for the icache to have
+ * been enabled - left for possible later use
* should turn off the protection unit as well....
- */
+ */
/* turn off I/D-cache */
asm ("mrc p15, 0, %0, c1, c0, 0":"=r" (i));
i &= ~(C1_DC | C1_IC);
{
return (read_p15_c1 () & C1_IC) != 0;
}
-
disable_interrupts ();
- /* Since the CM has unknown processor we do not support
- * cache operations
+ /* Since the CM has unknown processor we do not support
+ * cache operations
*/
return (0);
#ifndef CONFIG_INTEGRATOR
/* Only to be used for integrator/AP or /CP */
-/* Allows U-Boot to be used with any ARM supplied core module (CM),
+/* Allows U-Boot to be used with any ARM supplied core module (CM),
* provided the ARM boot monitor, or similar software,
* runs first to set up the platform e.g. map writeable memory to 0x00000000
* - see Integrator User Guides
* Versatile has a supported cpu - arm926ejs
* Some integrator CMs cpus are supported
* CM926EJ-S, CM946E-S
- * For platforms with supported cpus U-Boot can be used as the sole boot
+ * For platforms with supported cpus U-Boot can be used as the sole boot
* monitor/loader - it will configure the platform itself
- * Also U-Boot may be faster/smaller in those cases since specific
+ * Also U-Boot may be faster/smaller in those cases since specific
* qualities of the cpu and/or CM can be used e.g i and/or d caches etc.
*/
#endif
#else
.align 5
-.globl irq
+.globl irq
irq:
get_bad_stack
bad_save_user_regs
bl do_irq
.align 5
-.globl fiq
+.globl fiq
fiq:
get_bad_stack
bad_save_user_regs
--------
There are two Integrator variants - Integrator/AP and Integrator/CP.
Each may be fitted with a variety of core modules (CMs).
-Each CM consists of a ARM processor core and associated hardware e.g
+Each CM consists of a ARM processor core and associated hardware e.g
FPGA implementing various controllers and/or register
SSRAM
SDRAM
b) Run ARM boot monitor, automatically run U-Boot image from flash
c) Run U-Boot image direct from flash.
-In cases a) and b) the ARM boot monitor will have configured the CM and mapped
+In cases a) and b) the ARM boot monitor will have configured the CM and mapped
writeable memory to 0x00000000 in the Integrator address space.
U-Boot has to carry out minimal configration before standard code is run.
In case c) it may be necessary for U-Boot to perform CM dependent initialization.
Configuring U-Boot :
-------------------
+------------------
The makefile contains targets for Integrator platforms of both types
-fitted with all current variants of CM. If these targets are to be used with
-boot process c) above then CONFIG_INIT_CRITICAL may need to be defined to ensure
+fitted with all current variants of CM. If these targets are to be used with
+boot process c) above then CONFIG_INIT_CRITICAL may need to be defined to ensure
that the CM is correctly configured.
There are also targets independent of CM. These may not be suitable for
-boot process c) above. They have been preserved for backward compatibility with
+boot process c) above. They have been preserved for backward compatibility with
existing build processes.
Code Hierarchy Applied :
----------------------
-Code specific to initialization of a particular ARM processor has been placed in
+Code specific to initialization of a particular ARM processor has been placed in
cpu/arm<>/start.S so that it may be used by other boards.
-However, to avoid duplicating code through all processor files, a generic core
+However, to avoid duplicating code through all processor files, a generic core
for ARM Integrator CMs has been added
cpu/arm_intcm
need placing in each CM processor file......
Code specific to the initialization of the CM, rather than the cpu, and initialization
-of the Integrator board itself, has been placed in
+of the Integrator board itself, has been placed in
- board/integrator<>/platform.S
+ board/integrator<>/platform.S
board/integrator<>/integrator<>.c
-
-
-
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
-
+
#ifndef __CONFIG_H
#define __CONFIG_H
/*
#endif
/* Flash loaded
- - U-Boot
+ - U-Boot
- u-linux
- system.cramfs
*/
#define CMMASK_TCRAM_DISABLE 0xFFFEFFFF /* TCRAM disabled */
#define CMMASK_LOWVEC 0x00000004 /* vectors @ 0x00000000 */
#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E)
-#define CMMASK_INIT_102 0x00000300 /* see CM102xx ref manual
+#define CMMASK_INIT_102 0x00000300 /* see CM102xx ref manual
* - PLL test clock bypassed
* - bus clock ratio 2
* - little endian
* - vectors at zero
*/
-#endif /* CM1022xx */
+#endif /* CM1022xx */
#define CMMASK_LE 0x00000008 /* little endian */
-#define CMMASK_CMxx6_COMMON 0x00000100 /* Common value for CMxx6
+#define CMMASK_CMxx6_COMMON 0x00000100 /* Common value for CMxx6
* - divisor/ratio b00000001
* bx
* - HCLKDIV b000
/* Determine CM characteristics */
#undef CONFIG_CM_MULTIPLE_SSRAM
-#undef CONFIG_CM_SPD_DETECT
-#undef CONFIG_CM_REMAP
-#undef CONFIG_CM_INIT
-#undef CONFIG_CM_TCRAM
+#undef CONFIG_CM_SPD_DETECT
+#undef CONFIG_CM_REMAP
+#undef CONFIG_CM_INIT
+#undef CONFIG_CM_TCRAM
#if defined (CONFIG_CM946E_S) || defined (CONFIG_CM966E_S)
#define CONFIG_CM_MULTIPLE_SSRAM /* CM has multiple SSRAM mapping */
#endif
-#ifndef CONFIG_CM922t_XA10
+#ifndef CONFIG_CM922t_XA10
#define CONFIG_CM_SPD_DETECT /* CM supports SPD query */
#define OS_SPD 0x00000100 /* Address of SPD data */
#define CONFIG_CM_REMAP /* CM supports remapping */
#define CONFIG_CM_INIT /* CM has initialization reg */
-#endif
+#endif
#if defined(CONFIG_CM926EJ_S) || defined (CONFIG_CM946E_S) || \
defined(CONFIG_CM966E_S) || defined (CONFIG_CM1026EJ_S) || \
defined(CONFIG_CM1136JF_S)
#define CONFIG_CM_TCRAM /* CM has TCRAM */
-#endif
+#endif
#endif /* __CONFIG_H */
projects / people / ms / u-boot.git / commitdiff
