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Diffstat (limited to 'cpu/arm926ejs/at91/lowlevel_init.S')
-rw-r--r--cpu/arm926ejs/at91/lowlevel_init.S95
1 files changed, 45 insertions, 50 deletions
diff --git a/cpu/arm926ejs/at91/lowlevel_init.S b/cpu/arm926ejs/at91/lowlevel_init.S
index f11ebc6..559c35c 100644
--- a/cpu/arm926ejs/at91/lowlevel_init.S
+++ b/cpu/arm926ejs/at91/lowlevel_init.S
@@ -27,15 +27,20 @@
*/
#include <config.h>
-#include <version.h>
#include <asm/arch/hardware.h>
#include <asm/arch/at91_pmc.h>
-#include <asm/arch/at91_pio.h>
-#include <asm/arch/at91_rstc.h>
#include <asm/arch/at91_wdt.h>
-#include <asm/arch/at91sam9_matrix.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/at91_matrix.h>
#include <asm/arch/at91sam9_sdramc.h>
#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_rstc.h>
+#ifdef CONFIG_AT91_LEGACY
+#include <asm/arch/at91sam9_matrix.h>
+#endif
+#ifndef CONFIG_SYS_MATRIX_EBICSA_VAL
+#define CONFIG_SYS_MATRIX_EBICSA_VAL CONFIG_SYS_MATRIX_EBI0CSA_VAL
+#endif
_TEXT_BASE:
.word TEXT_BASE
@@ -75,7 +80,7 @@ POS1:
* - Check if the PLL is already initialized
* ----------------------------------------------------------------------------
*/
- ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR)
+ ldr r1, =(AT91_ASM_PMC_MCKR)
ldr r0, [r1]
and r0, r0, #3
cmp r0, #0
@@ -85,18 +90,18 @@ POS1:
* - Enable the Main Oscillator
* ---------------------------------------------------------------------------
*/
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR)
- ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR)
+ ldr r1, =(AT91_ASM_PMC_MOR)
+ ldr r2, =(AT91_ASM_PMC_SR)
/* Main oscillator Enable register PMC_MOR: */
ldr r0, =CONFIG_SYS_MOR_VAL
str r0, [r1]
/* Reading the PMC Status to detect when the Main Oscillator is enabled */
- mov r4, #AT91_PMC_MOSCS
+ mov r4, #AT91_PMC_IXR_MOSCS
MOSCS_Loop:
ldr r3, [r2]
and r3, r4, r3
- cmp r3, #AT91_PMC_MOSCS
+ cmp r3, #AT91_PMC_IXR_MOSCS
bne MOSCS_Loop
/* ----------------------------------------------------------------------------
@@ -105,16 +110,16 @@ MOSCS_Loop:
* Setup PLLA
* ----------------------------------------------------------------------------
*/
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_PLLAR)
+ ldr r1, =(AT91_ASM_PMC_PLLAR)
ldr r0, =CONFIG_SYS_PLLAR_VAL
str r0, [r1]
/* Reading the PMC Status register to detect when the PLLA is locked */
- mov r4, #AT91_PMC_LOCKA
+ mov r4, #AT91_PMC_IXR_LOCKA
MOSCS_Loop1:
ldr r3, [r2]
and r3, r4, r3
- cmp r3, #AT91_PMC_LOCKA
+ cmp r3, #AT91_PMC_IXR_LOCKA
bne MOSCS_Loop1
/* ----------------------------------------------------------------------------
@@ -123,38 +128,37 @@ MOSCS_Loop1:
* - Switch on the Main Oscillator
* ----------------------------------------------------------------------------
*/
- ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR)
+ ldr r1, =(AT91_ASM_PMC_MCKR)
/* -Master Clock Controller register PMC_MCKR */
ldr r0, =CONFIG_SYS_MCKR1_VAL
str r0, [r1]
/* Reading the PMC Status to detect when the Master clock is ready */
- mov r4, #AT91_PMC_MCKRDY
+ mov r4, #AT91_PMC_IXR_MCKRDY
MCKRDY_Loop:
ldr r3, [r2]
and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
+ cmp r3, #AT91_PMC_IXR_MCKRDY
bne MCKRDY_Loop
ldr r0, =CONFIG_SYS_MCKR2_VAL
str r0, [r1]
/* Reading the PMC Status to detect when the Master clock is ready */
- mov r4, #AT91_PMC_MCKRDY
+ mov r4, #AT91_PMC_IXR_MCKRDY
MCKRDY_Loop1:
ldr r3, [r2]
and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
+ cmp r3, #AT91_PMC_IXR_MCKRDY
bne MCKRDY_Loop1
-
PLL_setup_end:
/* ----------------------------------------------------------------------------
* - memory control configuration 2
* ----------------------------------------------------------------------------
*/
- ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR)
+ ldr r0, =(AT91_ASM_SDRAMC_TR)
ldr r1, [r0]
cmp r1, #0
bne SDRAM_setup_end
@@ -166,7 +170,6 @@ PLL_setup_end:
sub r2, r2, r1
add r0, r0, r5
add r2, r2, r5
-
2:
/* the address */
ldr r1, [r0], #4
@@ -183,60 +186,53 @@ SDRAM_setup_end:
.ltorg
SMRDATA:
- .word (AT91_BASE_SYS + AT91_WDT_MR)
+ .word AT91_ASM_WDT_MR
.word CONFIG_SYS_WDTC_WDMR_VAL
-
/* configure PIOx as EBI0 D[16-31] */
#if defined(CONFIG_AT91SAM9263)
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PDR)
+ .word AT91_ASM_PIOD_PDR
.word CONFIG_SYS_PIOD_PDR_VAL1
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR)
+ .word AT91_ASM_PIOD_PUDR
.word CONFIG_SYS_PIOD_PPUDR_VAL
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR)
+ .word AT91_ASM_PIOD_ASR
.word CONFIG_SYS_PIOD_PPUDR_VAL
#elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) \
|| defined(CONFIG_AT91SAM9G20)
- .word (AT91_BASE_SYS + AT91_PIOC + PIO_PDR)
+ .word AT91_ASM_PIOC_PDR
.word CONFIG_SYS_PIOC_PDR_VAL1
- .word (AT91_BASE_SYS + AT91_PIOC + PIO_PUDR)
+ .word AT91_ASM_PIOC_PUDR
.word CONFIG_SYS_PIOC_PPUDR_VAL
#endif
-
-#if defined(AT91_MATRIX_EBI0CSA)
- .word (AT91_BASE_SYS + AT91_MATRIX_EBI0CSA)
- .word CONFIG_SYS_MATRIX_EBI0CSA_VAL
-#else /* AT91_MATRIX_EBICSA */
- .word (AT91_BASE_SYS + AT91_MATRIX_EBICSA)
+ .word AT91_ASM_MATRIX_CSA0
.word CONFIG_SYS_MATRIX_EBICSA_VAL
-#endif
/* flash */
- .word (AT91_BASE_SYS + AT91_SMC_MODE(0))
+ .word AT91_ASM_SMC_MODE0
.word CONFIG_SYS_SMC0_MODE0_VAL
- .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0))
+ .word AT91_ASM_SMC_CYCLE0
.word CONFIG_SYS_SMC0_CYCLE0_VAL
- .word (AT91_BASE_SYS + AT91_SMC_PULSE(0))
+ .word AT91_ASM_SMC_PULSE0
.word CONFIG_SYS_SMC0_PULSE0_VAL
- .word (AT91_BASE_SYS + AT91_SMC_SETUP(0))
+ .word AT91_ASM_SMC_SETUP0
.word CONFIG_SYS_SMC0_SETUP0_VAL
SMRDATA1:
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word AT91_ASM_SDRAMC_MR
.word CONFIG_SYS_SDRC_MR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
+ .word AT91_ASM_SDRAMC_TR
.word CONFIG_SYS_SDRC_TR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_CR)
+ .word AT91_ASM_SDRAMC_CR
.word CONFIG_SYS_SDRC_CR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MDR)
+ .word AT91_ASM_SDRAMC_MDR
.word CONFIG_SYS_SDRC_MDR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word AT91_ASM_SDRAMC_MR
.word CONFIG_SYS_SDRC_MR_VAL2
.word AT91_SDRAM_BASE
.word CONFIG_SYS_SDRAM_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word AT91_ASM_SDRAMC_MR
.word CONFIG_SYS_SDRC_MR_VAL3
.word AT91_SDRAM_BASE
.word CONFIG_SYS_SDRAM_VAL2
@@ -254,26 +250,25 @@ SMRDATA1:
.word CONFIG_SYS_SDRAM_VAL8
.word AT91_SDRAM_BASE
.word CONFIG_SYS_SDRAM_VAL9
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word AT91_ASM_SDRAMC_MR
.word CONFIG_SYS_SDRC_MR_VAL4
.word AT91_SDRAM_BASE
.word CONFIG_SYS_SDRAM_VAL10
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word AT91_ASM_SDRAMC_MR
.word CONFIG_SYS_SDRC_MR_VAL5
.word AT91_SDRAM_BASE
.word CONFIG_SYS_SDRAM_VAL11
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
+ .word AT91_ASM_SDRAMC_TR
.word CONFIG_SYS_SDRC_TR_VAL2
.word AT91_SDRAM_BASE
.word CONFIG_SYS_SDRAM_VAL12
/* User reset enable*/
- .word (AT91_BASE_SYS + AT91_RSTC_MR)
+ .word AT91_ASM_RSTC_MR
.word CONFIG_SYS_RSTC_RMR_VAL
#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
/* MATRIX_MCFG - REMAP all masters */
- .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0)
+ .word AT91_ASM_MATRIX_MCFG
.word 0x1FF
#endif
-
SMRDATA2:
.word 0