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-rw-r--r--board/integratorap/lowlevel_init.S56
-rwxr-xr-xboard/integratorap/split_by_variant.sh112
-rw-r--r--board/integratorap/u-boot.lds.template (renamed from board/integratorap/u-boot.lds.S)8
3 files changed, 93 insertions, 83 deletions
diff --git a/board/integratorap/lowlevel_init.S b/board/integratorap/lowlevel_init.S
index 1aacbf4..ab9589c 100644
--- a/board/integratorap/lowlevel_init.S
+++ b/board/integratorap/lowlevel_init.S
@@ -67,17 +67,17 @@ lowlevel_init:
!defined (CONFIG_CM940T)
#ifdef CONFIG_CM_MULTIPLE_SSRAM
- /* set simple mapping */
+ /* set simple mapping */
and r2,r2,#CMMASK_MAP_SIMPLE
-#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
+#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
#ifdef CONFIG_CM_TCRAM
- /* disable 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)
+ defined (CONFIG_CM1136JF_S)
and r2,r2,#CMMASK_LE
@@ -89,7 +89,7 @@ lowlevel_init:
#endif /* ARM102xxE value */
- /* read CM_INIT */
+ /* read CM_INIT */
mov r0, #CM_BASE
ldr r1, [r0, #OS_INIT]
/* check against desired bit setting */
@@ -125,28 +125,28 @@ init_reg_OK:
.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 r2, [r0, #4] /* number of column address lines */
- 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? */
+ add r0, r0, #OS_SPD /* address the copy of the SDP data */
+ 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 */
+ 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? */
bne not16
- mov r6, #0x2 /* store size and CAS latency of 2 */
+ mov r6, #0x2 /* store size and CAS latency of 2 */
b writesize
not16:
@@ -197,17 +197,17 @@ cm_remap:
orr r1, r1, #CMMASK_REMAP /* set remap and led bits */
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 */
+ /* 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 */
copy_vec:
- ldmia r0!, {r3-r10} /* copy from source address [r0] */
- stmia r1!, {r3-r10} /* copy to target address [r1] */
- cmp r0, r2 /* until source end address [r2] */
+ ldmia r0!, {r3-r10} /* copy from source address [r0] */
+ stmia r1!, {r3-r10} /* copy to target address [r1] */
+ 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 */
diff --git a/board/integratorap/split_by_variant.sh b/board/integratorap/split_by_variant.sh
index 1c5f097..9f71bab 100755
--- a/board/integratorap/split_by_variant.sh
+++ b/board/integratorap/split_by_variant.sh
@@ -2,105 +2,115 @@
# ---------------------------------------------------------
# Set the platform defines
# ---------------------------------------------------------
-echo -n "/* Integrator configuration implied " > tmp.fil
-echo " by Makefile target */" >> tmp.fil
-echo -n "#define CONFIG_INTEGRATOR" >> tmp.fil
-echo " /* Integrator board */" >> tmp.fil
-echo -n "#define CONFIG_ARCH_INTEGRATOR" >> tmp.fil
-echo " 1 /* Integrator/AP */" >> tmp.fil
+echo -n "/* Integrator configuration implied " > tmp.fil
+echo " by Makefile target */" >> tmp.fil
+echo -n "#define CONFIG_INTEGRATOR" >> tmp.fil
+echo " /* Integrator board */" >> tmp.fil
+echo -n "#define CONFIG_ARCH_INTEGRATOR" >> tmp.fil
+echo " 1 /* Integrator/AP */" >> tmp.fil
# ---------------------------------------------------------
-# Set the core module defines according to Core Module
+# Set the core module defines according to Core Module
# ---------------------------------------------------------
-CC=${CROSS_COMPILE}gcc
cpu="arm_intcm"
-
-if [ "$2" == "" ]
-then
- echo "$0:: No preprocessor parameter - using ${CROSS_COMPILE}gcc"
-else
- CC=$2
-fi
-
+variant="unknown core module"
if [ "$1" == "" ]
then
- echo "$0:: No parameters - using ${CROSS_COMPILE}gcc arm_intcm"
+ echo "$0:: No parameters - using arm_intcm"
else
case "$1" in
- ap7_config | \
- ap966_config | \
- ap922_config | \
+ ap7_config)
+ cpu="arm_intcm"
+ variant="unported core module CM7TDMI"
+ ;;
+
+ ap966)
+ cpu="arm_intcm"
+ variant="unported core module CM966E-S"
+ ;;
+
+ ap922_config)
+ cpu="arm_intcm"
+ variant="unported core module CM922T"
+ ;;
+
integratorap_config | \
ap_config)
cpu="arm_intcm"
+ variant="unspecified core module"
;;
ap720t_config)
cpu="arm720t"
- echo -n "#define CONFIG_CM720T" >> tmp.fil
- echo " 1 /* CPU core is ARM720T */ " >> tmp.fil
+ echo -n "#define CONFIG_CM720T" >> tmp.fil
+ echo " 1 /* CPU core is ARM720T */ " >> tmp.fil
+ variant="Core module CM720T"
;;
ap922_XA10_config)
- echo -n "#define CONFIG_CM922T_XA10" >> tmp.fil
- echo " 1 /* CPU core is ARM922T_XA10 */" >> tmp.fil
cpu="arm_intcm"
+ variant="unported core module CM922T_XA10"
+ echo -n "#define CONFIG_CM922T_XA10" >> tmp.fil
+ echo " 1 /* CPU core is ARM922T_XA10 */" >> tmp.fil
;;
ap920t_config)
cpu="arm920t"
- echo -n "#define CONFIG_CM920T" >> tmp.fil
- echo " 1 /* CPU core is ARM920T */" >> tmp.fil
+ variant="Core module CM920T"
+ echo -n "#define CONFIG_CM920T" >> tmp.fil
+ echo " 1 /* CPU core is ARM920T */" >> tmp.fil
;;
ap926ejs_config)
cpu="arm926ejs"
- echo -n "#define CONFIG_CM926EJ_S" >> tmp.fil
- echo " 1 /* CPU core is ARM926EJ-S */ " >> tmp.fil
+ variant="Core module CM926EJ-S"
+ echo -n "#define CONFIG_CM926EJ_S" >> tmp.fil
+ echo " 1 /* CPU core is ARM926EJ-S */ " >> tmp.fil
;;
-
ap946es_config)
cpu="arm946es"
- echo -n "#define CONFIG_CM946E_S" >> tmp.fil
- echo " 1 /* CPU core is ARM946E-S */ " >> tmp.fil
+ variant="Core module CM946E-S"
+ echo -n "#define CONFIG_CM946E_S" >> tmp.fil
+ echo " 1 /* CPU core is ARM946E-S */ " >> tmp.fil
;;
*)
- echo "$0:: Unrecognised target - using arm_intcm"
+ echo "$0:: Unknown core module"
+ variant="unknown core module"
cpu="arm_intcm"
;;
esac
-
fi
if [ "$cpu" == "arm_intcm" ]
then
echo "/* Core module undefined/not ported */" >> tmp.fil
- echo "#define CONFIG_ARM_INTCM 1" >> tmp.fil
- echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> tmp.fil
- echo -n " /* CM may not have " >> tmp.fil
- echo "multiple SSRAM mapping */" >> tmp.fil
- echo -n "#undef CONFIG_CM_SPD_DETECT " >> tmp.fil
- echo -n " /* CM may not support SPD " >> tmp.fil
- echo "query */" >> tmp.fil
- echo -n "#undef CONFIG_CM_REMAP " >> tmp.fil
- echo -n " /* CM may not support " >> tmp.fil
- echo "remapping */" >> tmp.fil
- echo -n "#undef CONFIG_CM_INIT " >> tmp.fil
- echo -n " /* CM may not have " >> tmp.fil
- echo "initialization reg */" >> tmp.fil
- echo -n "#undef CONFIG_CM_TCRAM " >> tmp.fil
- echo " /* CM may not have TCRAM */" >> tmp.fil
+ echo "#define CONFIG_ARM_INTCM 1" >> tmp.fil
+ echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> tmp.fil
+ echo -n " /* CM may not have " >> tmp.fil
+ echo "multiple SSRAM mapping */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_SPD_DETECT " >> tmp.fil
+ echo -n " /* CM may not support SPD " >> tmp.fil
+ echo "query */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_REMAP " >> tmp.fil
+ echo -n " /* CM may not support " >> tmp.fil
+ echo "remapping */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_INIT " >> tmp.fil
+ echo -n " /* CM may not have " >> tmp.fil
+ echo "initialization reg */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_TCRAM " >> tmp.fil
+ echo " /* CM may not have TCRAM */" >> tmp.fil
fi
mv tmp.fil ./include/config.h
# ---------------------------------------------------------
-# Ensure correct core object loaded first in U-Boot image
+# Ensure correct core object loaded first in U-Boot image
# ---------------------------------------------------------
-$CC -E -P -C -D CPU_FILE=cpu/$cpu/start.o \
--o board/integratorap/u-boot.lds board/integratorap/u-boot.lds.S
+sed -r 's/CPU_FILE/cpu\/'$cpu'\/start.o/; s/#.*//' board/integratorap/u-boot.lds.template > board/integratorap/u-boot.lds
# ---------------------------------------------------------
# Complete the configuration
# ---------------------------------------------------------
./mkconfig -a integratorap arm $cpu integratorap;
+echo "Variant:: $variant with core $cpu"
+
diff --git a/board/integratorap/u-boot.lds.S b/board/integratorap/u-boot.lds.template
index 486b5da..0ec8087 100644
--- a/board/integratorap/u-boot.lds.S
+++ b/board/integratorap/u-boot.lds.template
@@ -20,8 +20,8 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
-/* Preprocessed during configuration to emsure the core module processor code,
- from CPU_FILE, is placed at the start of the image */
+# Template used during configuration to emsure the core module processor code,
+# from CPU_FILE, is placed at the start of the image */
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
@@ -32,8 +32,8 @@ SECTIONS
. = ALIGN(4);
.text :
{
- CPU_FILE (.text)
- *(.text)
+ CPU_FILE (.text)
+ *(.text)
}
.rodata : { *(.rodata) }
. = ALIGN(4);
generated by cgit v1.1 at 2024-11-24 21:03:24 +0000