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@@ -14,7 +14,7 @@
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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@@ -52,8 +52,8 @@ platformsetup:
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#ifdef CONFIG_CM_INIT
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/* CM has an initialization register
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* - bits in it are wired into test-chip pins to force
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- * reset defaults
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- * - may need to change its contents for U-Boot
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+ * reset defaults
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+ * - may need to change its contents for U-Boot
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*/
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/* set the desired CM specific value */
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@@ -65,39 +65,39 @@ platformsetup:
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#if !defined (CONFIG_CM920T) && !defined (CONFIG_CM920T_ETM) && \
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!defined (CONFIG_CM940T)
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-
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-#ifdef CONFIG_CM_MULTIPLE_SSRAM
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- /* set simple mapping */
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+
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+#ifdef CONFIG_CM_MULTIPLE_SSRAM
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+ /* set simple mapping */
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and r2,r2,#CMMASK_MAP_SIMPLE
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#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
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-#ifdef CONFIG_CM_TCRAM
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- /* disable TCRAM */
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+#ifdef CONFIG_CM_TCRAM
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+ /* disable TCRAM */
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and r2,r2,#CMMASK_TCRAM_DISABLE
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-#endif /* #ifdef CONFIG_CM_TCRAM */
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+#endif /* #ifdef CONFIG_CM_TCRAM */
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#if defined (CONFIG_CM926EJ_S) || defined (CONFIG_CM1026EJ_S) || \
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defined (CONFIG_CM1136JF_S)
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and r2,r2,#CMMASK_LE
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-
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+
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#endif /* cpu with little endian initialization */
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orr r2,r2,#CMMASK_CMxx6_COMMON
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#endif /* CMxx6 code */
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-
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+
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#endif /* ARM102xxE value */
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-
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- /* read CM_INIT */
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+
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+ /* read CM_INIT */
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mov r0, #CM_BASE
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ldr r1, [r0, #OS_INIT]
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/* check against desired bit setting */
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and r3,r1,r2
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cmp r3,r2
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beq init_reg_OK
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-
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- /* lock for change */
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+
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+ /* lock for change */
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mov r3, #CMVAL_LOCK
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and r3,r3,#CMMASK_LOCK
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str r3, [r0, #OS_LOCK]
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@@ -112,39 +112,39 @@ platformsetup:
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b reset_cpu
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init_reg_OK:
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-
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-#endif /* CONFIG_CM_INIT */
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+
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+#endif /* CONFIG_CM_INIT */
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mov pc, lr
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-#ifdef CONFIG_CM_SPD_DETECT
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+#ifdef CONFIG_CM_SPD_DETECT
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/* Fast memory is available for the DRAM data
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- * - ensure it has been transferred, then summarize the data
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+ * - ensure it has been transferred, then summarize the data
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* into a CM register
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*/
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.globl dram_query
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dram_query:
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stmfd r13!,{r4-r6,lr}
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- /* set up SDRAM info */
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+ /* set up SDRAM info */
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/* - based on example code from the CM User Guide */
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mov r0, #CM_BASE
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-
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+
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readspdbit:
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- ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
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- and r1, r1, #0x20 /* mask SPD bit (5) */
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- cmp r1, #0x20 /* test if set */
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+ ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
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+ and r1, r1, #0x20 /* mask SPD bit (5) */
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+ cmp r1, #0x20 /* test if set */
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bne readspdbit
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setupsdram:
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add r0, r0, #OS_SPD /* address the copy of the SDP data */
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- ldrb r1, [r0, #3] /* number of row address lines */
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+ ldrb r1, [r0, #3] /* number of row address lines */
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ldrb r2, [r0, #4] /* number of column address lines */
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- ldrb r3, [r0, #5] /* number of banks */
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- ldrb r4, [r0, #31] /* module bank density */
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+ ldrb r3, [r0, #5] /* number of banks */
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+ ldrb r4, [r0, #31] /* module bank density */
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mul r5, r4, r3 /* size of SDRAM (MB divided by 4) */
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- mov r5, r5, ASL#2 /* size in MB */
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- mov r0, #CM_BASE /* reload for later code */
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- cmp r5, #0x10 /* is it 16MB? */
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+ mov r5, r5, ASL#2 /* size in MB */
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+ mov r0, #CM_BASE /* reload for later code */
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+ cmp r5, #0x10 /* is it 16MB? */
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bne not16
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mov r6, #0x2 /* store size and CAS latency of 2 */
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b writesize
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@@ -175,21 +175,21 @@ not128:
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writesize:
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mov r1, r1, ASL#8 /* row addr lines from SDRAM reg */
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- orr r2, r1, r2, ASL#12 /* OR in column address lines */
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- orr r3, r2, r3, ASL#16 /* OR in number of banks */
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- orr r6, r6, r3 /* OR in size and CAS latency */
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- str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
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+ orr r2, r1, r2, ASL#12 /* OR in column address lines */
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+ orr r3, r2, r3, ASL#16 /* OR in number of banks */
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+ orr r6, r6, r3 /* OR in size and CAS latency */
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+ str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
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#endif /* #ifdef CONFIG_CM_SPD_DETECT */
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ldmfd r13!,{r4-r6,pc} /* back to caller */
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-#ifdef CONFIG_CM_REMAP
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- /* CM remap bit is operational
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+#ifdef CONFIG_CM_REMAP
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+ /* CM remap bit is operational
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* - use it to map writeable memory at 0x00000000, in place of flash
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*/
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.globl cm_remap
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-cm_remap:
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+cm_remap:
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stmfd r13!,{r4-r10,lr}
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mov r0, #CM_BASE
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@@ -198,9 +198,9 @@ cm_remap:
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str r1, [r0, #OS_CTRL]
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/* Now 0x00000000 is writeable, replace the vectors */
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- ldr r0, =_start /* r0 <- start of vectors */
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- ldr r2, =_armboot_start /* r2 <- past vectors */
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- sub r1,r1,r1 /* destination 0x00000000 */
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+ ldr r0, =_start /* r0 <- start of vectors */
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+ ldr r2, =_armboot_start /* r2 <- past vectors */
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+ sub r1,r1,r1 /* destination 0x00000000 */
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copy_vec:
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ldmia r0!, {r3-r10} /* copy from source address [r0] */
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@@ -208,7 +208,6 @@ copy_vec:
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cmp r0, r2 /* until source end address [r2] */
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ble copy_vec
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- ldmfd r13!,{r4-r10,pc} /* back to caller */
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+ ldmfd r13!,{r4-r10,pc} /* back to caller */
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#endif /* #ifdef CONFIG_CM_REMAP */
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-
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