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Diffstat (limited to 'arch/arm/cpu/arm926ejs/at91/lowlevel_init.S')
-rw-r--r--arch/arm/cpu/arm926ejs/at91/lowlevel_init.S246
1 files changed, 0 insertions, 246 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S b/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S
deleted file mode 100644
index a9ec81a..0000000
--- a/arch/arm/cpu/arm926ejs/at91/lowlevel_init.S
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- * Memory Setup stuff - taken from blob memsetup.S
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
- * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
- *
- * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
- * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <config.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/at91_wdt.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_ATMEL_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
-
-.globl lowlevel_init
-.type lowlevel_init,function
-lowlevel_init:
-
-POS1:
- adr r5, POS1 /* r5 = POS1 run time */
- ldr r0, =POS1 /* r0 = POS1 compile */
- sub r5, r5, r0 /* r0 = CONFIG_SYS_TEXT_BASE-1 */
-
- /* memory control configuration 1 */
- ldr r0, =SMRDATA
- ldr r2, =SMRDATA1
- add r0, r0, r5
- add r2, r2, r5
-0:
- /* the address */
- ldr r1, [r0], #4
- /* the value */
- ldr r3, [r0], #4
- str r3, [r1]
- cmp r2, r0
- bne 0b
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 1.
- * ----------------------------------------------------------------------------
- * - Check if the PLL is already initialized
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_ASM_PMC_MCKR)
- ldr r0, [r1]
- and r0, r0, #3
- cmp r0, #0
- bne PLL_setup_end
-
-/* ---------------------------------------------------------------------------
- * - Enable the Main Oscillator
- * ---------------------------------------------------------------------------
- */
- 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_IXR_MOSCS
-MOSCS_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_IXR_MOSCS
- bne MOSCS_Loop
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 2.
- * ----------------------------------------------------------------------------
- * Setup PLLA
- * ----------------------------------------------------------------------------
- */
- 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_IXR_LOCKA
-MOSCS_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_IXR_LOCKA
- bne MOSCS_Loop1
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 3.
- * ----------------------------------------------------------------------------
- * - Switch on the Main Oscillator
- * ----------------------------------------------------------------------------
- */
- 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_IXR_MCKRDY
-MCKRDY_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- 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_IXR_MCKRDY
-MCKRDY_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_IXR_MCKRDY
- bne MCKRDY_Loop1
-PLL_setup_end:
-
-/* ----------------------------------------------------------------------------
- * - memory control configuration 2
- * ----------------------------------------------------------------------------
- */
- ldr r0, =(AT91_ASM_SDRAMC_TR)
- ldr r1, [r0]
- cmp r1, #0
- bne SDRAM_setup_end
-
- ldr r0, =SMRDATA1
- ldr r2, =SMRDATA2
- add r0, r0, r5
- add r2, r2, r5
-2:
- /* the address */
- ldr r1, [r0], #4
- /* the value */
- ldr r3, [r0], #4
- str r3, [r1]
- cmp r2, r0
- bne 2b
-
-SDRAM_setup_end:
- /* everything is fine now */
- mov pc, lr
-
- .ltorg
-
-SMRDATA:
- .word AT91_ASM_WDT_MR
- .word CONFIG_SYS_WDTC_WDMR_VAL
- /* configure PIOx as EBI0 D[16-31] */
-#if defined(CONFIG_AT91SAM9263)
- .word AT91_ASM_PIOD_PDR
- .word CONFIG_SYS_PIOD_PDR_VAL1
- .word AT91_ASM_PIOD_PUDR
- .word CONFIG_SYS_PIOD_PPUDR_VAL
- .word AT91_ASM_PIOD_ASR
- .word CONFIG_SYS_PIOD_PPUDR_VAL
-#elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) \
- || defined(CONFIG_AT91SAM9G20)
- .word AT91_ASM_PIOC_PDR
- .word CONFIG_SYS_PIOC_PDR_VAL1
- .word AT91_ASM_PIOC_PUDR
- .word CONFIG_SYS_PIOC_PPUDR_VAL
-#endif
- .word AT91_ASM_MATRIX_CSA0
- .word CONFIG_SYS_MATRIX_EBICSA_VAL
-
- /* flash */
- .word AT91_ASM_SMC_MODE0
- .word CONFIG_SYS_SMC0_MODE0_VAL
-
- .word AT91_ASM_SMC_CYCLE0
- .word CONFIG_SYS_SMC0_CYCLE0_VAL
-
- .word AT91_ASM_SMC_PULSE0
- .word CONFIG_SYS_SMC0_PULSE0_VAL
-
- .word AT91_ASM_SMC_SETUP0
- .word CONFIG_SYS_SMC0_SETUP0_VAL
-
-SMRDATA1:
- .word AT91_ASM_SDRAMC_MR
- .word CONFIG_SYS_SDRC_MR_VAL1
- .word AT91_ASM_SDRAMC_TR
- .word CONFIG_SYS_SDRC_TR_VAL1
- .word AT91_ASM_SDRAMC_CR
- .word CONFIG_SYS_SDRC_CR_VAL
- .word AT91_ASM_SDRAMC_MDR
- .word CONFIG_SYS_SDRC_MDR_VAL
- .word AT91_ASM_SDRAMC_MR
- .word CONFIG_SYS_SDRC_MR_VAL2
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL1
- .word AT91_ASM_SDRAMC_MR
- .word CONFIG_SYS_SDRC_MR_VAL3
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL2
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL3
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL4
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL5
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL6
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL7
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL8
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL9
- .word AT91_ASM_SDRAMC_MR
- .word CONFIG_SYS_SDRC_MR_VAL4
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL10
- .word AT91_ASM_SDRAMC_MR
- .word CONFIG_SYS_SDRC_MR_VAL5
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL11
- .word AT91_ASM_SDRAMC_TR
- .word CONFIG_SYS_SDRC_TR_VAL2
- .word CONFIG_SYS_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL12
- /* User reset enable*/
- .word AT91_ASM_RSTC_MR
- .word CONFIG_SYS_RSTC_RMR_VAL
-#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
- /* MATRIX_MCFG - REMAP all masters */
- .word AT91_ASM_MATRIX_MCFG
- .word 0x1FF
-#endif
-SMRDATA2:
- .word 0