COBJS-y += at91sam9263ek.o
COBJS-y += led.o
COBJS-$(CONFIG_HAS_DATAFLASH) += partition.o
-ifndef CONFIG_SKIP_LOWLEVEL_INIT
-SOBJS-y += lowlevel_init.o
-endif
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y))
+++ /dev/null
-/*
- * 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-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#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_sdramc.h>
-#include <asm/arch/at91sam9_smc.h>
-#include <asm/arch/at91sam9263_matrix.h>
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl lowlevel_init
-.type lowlevel_init,function
-lowlevel_init:
-
- mov r5, pc /* r5 = POS1 + 4 current */
-POS1:
- ldr r0, =POS1 /* r0 = POS1 compile */
- ldr r2, _TEXT_BASE
- sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
- sub r5, r5, r0 /* r0 = TEXT_BASE-1 */
- sub r5, r5, #4 /* r1 = text base - current */
-
- /* memory control configuration 1 */
- ldr r0, =SMRDATA
- ldr r2, =SMRDATA1
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- 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_BASE_SYS + AT91_PMC_MCKR)
- ldr r0, [r1]
- and r0, r0, #3
- cmp r0, #0
- bne PLL_setup_end
-
-/* ---------------------------------------------------------------------------
- * - Enable the Main Oscillator
- * ---------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR)
- ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR)
- ldr r0, =CONFIG_SYS_MOR_VAL
- str r0, [r1] /* Enable main oscillator, OSCOUNT = 0xFF */
-
- /* Reading the PMC Status to detect when the Main Oscillator is enabled */
- mov r4, #AT91_PMC_MOSCS
-MOSCS_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MOSCS
- bne MOSCS_Loop
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 2.
- * ----------------------------------------------------------------------------
- * Setup PLLA
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_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
-MOSCS_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_LOCKA
- bne MOSCS_Loop1
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 3.
- * ----------------------------------------------------------------------------
- * - Switch on the Main Oscillator 16.367 MHz
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_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
-MCKRDY_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_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
-MCKRDY_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
- bne MCKRDY_Loop1
-
-PLL_setup_end:
-
-/* ----------------------------------------------------------------------------
- * - memory control configuration 2
- * ----------------------------------------------------------------------------
- */
- ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR)
- ldr r1, [r0]
- cmp r1, #0
- bne SDRAM_setup_end
-
- ldr r0, =SMRDATA1
- ldr r2, =SMRDATA2
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- 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_BASE_SYS + AT91_WDT_MR)
- .word CONFIG_SYS_WDTC_WDMR_VAL
-
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PDR)
- .word CONFIG_SYS_PIOD_PDR_VAL1
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR)
- .word CONFIG_SYS_PIOD_PPUDR_VAL
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR)
- .word CONFIG_SYS_PIOD_PPUDR_VAL
-
- .word (AT91_BASE_SYS + AT91_MATRIX_EBI0CSA)
- .word CONFIG_SYS_MATRIX_EBI0CSA_VAL
-
- /* flash */
- .word (AT91_BASE_SYS + AT91_SMC_MODE(0))
- .word CONFIG_SYS_SMC0_MODE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0))
- .word CONFIG_SYS_SMC0_CYCLE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_PULSE(0))
- .word CONFIG_SYS_SMC0_PULSE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_SETUP(0))
- .word CONFIG_SYS_SMC0_SETUP0_VAL
-
-SMRDATA1:
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
- .word CONFIG_SYS_SDRC_TR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_CR)
- .word CONFIG_SYS_SDRC_CR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MDR)
- .word CONFIG_SYS_SDRC_MDR_VAL
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_SDRC_MR_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL4
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL6
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL7
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL8
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL9
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_SDRC_MR_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL11
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_RSTC_RMR_VAL
-#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
- /* MATRIX_MCFG - REMAP all masters */
- .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0)
- .word 0x1FF
-#endif
-
-SMRDATA2:
- .word 0
COBJS-y += led.o
COBJS-$(CONFIG_HAS_DATAFLASH) += partition.o
-ifndef CONFIG_SKIP_LOWLEVEL_INIT
-SOBJS-y := lowlevel_init.o
-endif
-
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y) $(SOBJS-y))
SOBJS := $(addprefix $(obj),$(SOBJS-y))
+++ /dev/null
-/*
- * 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-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#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_sdramc.h>
-#include <asm/arch/at91sam9_smc.h>
-#include <asm/arch/at91sam9261_matrix.h>
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl lowlevel_init
-.type lowlevel_init,function
-lowlevel_init:
-
- mov r5, pc /* r5 = POS1 + 4 current */
-POS1:
- ldr r0, =POS1 /* r0 = POS1 compile */
- ldr r2, _TEXT_BASE
- sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
- sub r5, r5, r0 /* r0 = TEXT_BASE-1 */
- sub r5, r5, #4 /* r1 = text base - current */
-
- /* memory control configuration 1 */
- ldr r0, =SMRDATA
- ldr r2, =SMRDATA1
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- 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_BASE_SYS + AT91_PMC_MCKR)
- ldr r0, [r1]
- and r0, r0, #3
- cmp r0, #0
- bne PLL_setup_end
-
-/* ---------------------------------------------------------------------------
- * - Enable the Main Oscillator
- * ---------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR)
- ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR)
- /* Main oscillator Enable register PMC_MOR: */
- /* Enable main oscillator, OSCOUNT = 0xFF */
- 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
-MOSCS_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MOSCS
- bne MOSCS_Loop
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 2.
- * ----------------------------------------------------------------------------
- * Setup PLLA
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_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
-MOSCS_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_LOCKA
- bne MOSCS_Loop1
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 3.
- * ----------------------------------------------------------------------------
- * - Switch on the Main Oscillator 18.432 MHz
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_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
-MCKRDY_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_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
-MCKRDY_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
- bne MCKRDY_Loop1
-
-PLL_setup_end:
-
-/* ----------------------------------------------------------------------------
- * - memory control configuration 2
- * ----------------------------------------------------------------------------
- */
- ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR)
- ldr r1, [r0]
- cmp r1, #0
- bne SDRAM_setup_end
-
- ldr r0, =SMRDATA1
- ldr r2, =SMRDATA2
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- 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_BASE_SYS + AT91_WDT_MR)
- .word CONFIG_SYS_WDTC_WDMR_VAL
-
- .word (AT91_BASE_SYS + AT91_PIOC + PIO_PDR)
- .word CONFIG_SYS_PIOC_PDR_VAL1
- .word (AT91_BASE_SYS + AT91_PIOC + PIO_PUDR)
- .word CONFIG_SYS_PIOC_PPUDR_VAL
-
- .word (AT91_BASE_SYS + AT91_MATRIX_EBICSA)
- .word CONFIG_SYS_MATRIX_EBICSA_VAL
-
- /* flash */
- .word (AT91_BASE_SYS + AT91_SMC_MODE(0))
- .word CONFIG_SYS_SMC0_MODE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0))
- .word CONFIG_SYS_SMC0_CYCLE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_PULSE(0))
- .word CONFIG_SYS_SMC0_PULSE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_SETUP(0))
- .word CONFIG_SYS_SMC0_SETUP0_VAL
-
-SMRDATA1:
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
- .word CONFIG_SYS_SDRC_TR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_CR)
- .word CONFIG_SYS_SDRC_CR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MDR)
- .word CONFIG_SYS_SDRC_MDR_VAL
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_SDRC_MR_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL4
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL6
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL7
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL8
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL9
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_SDRC_MR_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL11
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_RSTC_RMR_VAL
-
-SMRDATA2:
- .word 0
COBJS-y += led.o
COBJS-$(CONFIG_HAS_DATAFLASH) += partition.o
-ifndef CONFIG_SKIP_LOWLEVEL_INIT
-SOBJS-y := lowlevel_init.o
-endif
-
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y) $(SOBJS-y))
SOBJS := $(addprefix $(obj),$(SOBJS-y))
+++ /dev/null
-/*
- * 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>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#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_sdramc.h>
-#include <asm/arch/at91sam9_smc.h>
-#include <asm/arch/at91sam9263_matrix.h>
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl lowlevel_init
-.type lowlevel_init,function
-lowlevel_init:
-
- mov r5, pc /* r5 = POS1 + 4 current */
-POS1:
- ldr r0, =POS1 /* r0 = POS1 compile */
- ldr r2, _TEXT_BASE
- sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
- sub r5, r5, r0 /* r0 = TEXT_BASE-1 */
- sub r5, r5, #4 /* r1 = text base - current */
-
- /* memory control configuration 1 */
- ldr r0, =SMRDATA
- ldr r2, =SMRDATA1
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- 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_BASE_SYS + AT91_PMC_MCKR)
- ldr r0, [r1]
- and r0, r0, #3
- cmp r0, #0
- bne PLL_setup_end
-
-/* ---------------------------------------------------------------------------
- * - Enable the Main Oscillator
- * ---------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR)
- ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR)
- ldr r0, =CONFIG_SYS_MOR_VAL
- str r0, [r1] /* Enable main oscillator, OSCOUNT = 0xFF */
-
- /* Reading the PMC Status to detect when the Main Oscillator is enabled */
- mov r4, #AT91_PMC_MOSCS
-MOSCS_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MOSCS
- bne MOSCS_Loop
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 2.
- * ----------------------------------------------------------------------------
- * Setup PLLA
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_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
-MOSCS_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_LOCKA
- bne MOSCS_Loop1
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 3.
- * ----------------------------------------------------------------------------
- * - Switch on the Main Oscillator 18.432 MHz
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_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
-MCKRDY_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_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
-MCKRDY_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
- bne MCKRDY_Loop1
-
-PLL_setup_end:
-
-/* ----------------------------------------------------------------------------
- * - memory control configuration 2
- * ----------------------------------------------------------------------------
- */
- ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR)
- ldr r1, [r0]
- cmp r1, #0
- bne SDRAM_setup_end
-
- ldr r0, =SMRDATA1
- ldr r2, =SMRDATA2
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- 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_BASE_SYS + AT91_WDT_MR)
- .word CONFIG_SYS_WDTC_WDMR_VAL
-
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PDR)
- .word CONFIG_SYS_PIOD_PDR_VAL1
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR)
- .word CONFIG_SYS_PIOD_PPUDR_VAL
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR)
- .word CONFIG_SYS_PIOD_PPUDR_VAL
-
- .word (AT91_BASE_SYS + AT91_MATRIX_EBI0CSA)
- .word CONFIG_SYS_MATRIX_EBI0CSA_VAL
-
- /* flash */
- .word (AT91_BASE_SYS + AT91_SMC_MODE(0))
- .word CONFIG_SYS_SMC0_MODE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0))
- .word CONFIG_SYS_SMC0_CYCLE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_PULSE(0))
- .word CONFIG_SYS_SMC0_PULSE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_SETUP(0))
- .word CONFIG_SYS_SMC0_SETUP0_VAL
-
-SMRDATA1:
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
- .word CONFIG_SYS_SDRC_TR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_CR)
- .word CONFIG_SYS_SDRC_CR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MDR)
- .word CONFIG_SYS_SDRC_MDR_VAL
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_SDRC_MR_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL4
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL6
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL7
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL8
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL9
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_SDRC_MR_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL11
- .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_RSTC_RMR_VAL
-#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
- /* MATRIX_MCFG - REMAP all masters */
- .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0)
- .word 0x1FF
-#endif
-
-SMRDATA2:
- .word 0
COBJS-y += reset.o
COBJS-y += timer.o
-SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
+ifndef CONFIG_SKIP_LOWLEVEL_INIT
+SOBJS-y := lowlevel_init.o
+endif
+
+SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
all: $(obj).depend $(LIB)
--- /dev/null
+/*
+ * 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>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#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/at91sam9_sdramc.h>
+#include <asm/arch/at91sam9_smc.h>
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl lowlevel_init
+.type lowlevel_init,function
+lowlevel_init:
+
+ mov r5, pc /* r5 = POS1 + 4 current */
+POS1:
+ ldr r0, =POS1 /* r0 = POS1 compile */
+ ldr r2, _TEXT_BASE
+ sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
+ sub r5, r5, r0 /* r0 = TEXT_BASE-1 */
+ sub r5, r5, #4 /* r1 = text base - current */
+
+ /* memory control configuration 1 */
+ ldr r0, =SMRDATA
+ ldr r2, =SMRDATA1
+ ldr r1, _TEXT_BASE
+ sub r0, r0, r1
+ sub r2, r2, r1
+ 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_BASE_SYS + AT91_PMC_MCKR)
+ ldr r0, [r1]
+ and r0, r0, #3
+ cmp r0, #0
+ bne PLL_setup_end
+
+/* ---------------------------------------------------------------------------
+ * - Enable the Main Oscillator
+ * ---------------------------------------------------------------------------
+ */
+ ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR)
+ ldr r2, =(AT91_BASE_SYS + AT91_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
+MOSCS_Loop:
+ ldr r3, [r2]
+ and r3, r4, r3
+ cmp r3, #AT91_PMC_MOSCS
+ bne MOSCS_Loop
+
+/* ----------------------------------------------------------------------------
+ * PMC Init Step 2.
+ * ----------------------------------------------------------------------------
+ * Setup PLLA
+ * ----------------------------------------------------------------------------
+ */
+ ldr r1, =(AT91_BASE_SYS + AT91_CKGR_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
+MOSCS_Loop1:
+ ldr r3, [r2]
+ and r3, r4, r3
+ cmp r3, #AT91_PMC_LOCKA
+ bne MOSCS_Loop1
+
+/* ----------------------------------------------------------------------------
+ * PMC Init Step 3.
+ * ----------------------------------------------------------------------------
+ * - Switch on the Main Oscillator
+ * ----------------------------------------------------------------------------
+ */
+ ldr r1, =(AT91_BASE_SYS + AT91_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
+MCKRDY_Loop:
+ ldr r3, [r2]
+ and r3, r4, r3
+ cmp r3, #AT91_PMC_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
+MCKRDY_Loop1:
+ ldr r3, [r2]
+ and r3, r4, r3
+ cmp r3, #AT91_PMC_MCKRDY
+ bne MCKRDY_Loop1
+
+PLL_setup_end:
+
+/* ----------------------------------------------------------------------------
+ * - memory control configuration 2
+ * ----------------------------------------------------------------------------
+ */
+ ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR)
+ ldr r1, [r0]
+ cmp r1, #0
+ bne SDRAM_setup_end
+
+ ldr r0, =SMRDATA1
+ ldr r2, =SMRDATA2
+ ldr r1, _TEXT_BASE
+ sub r0, r0, r1
+ sub r2, r2, r1
+ 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_BASE_SYS + AT91_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 CONFIG_SYS_PIOD_PDR_VAL1
+ .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR)
+ .word CONFIG_SYS_PIOD_PPUDR_VAL
+ .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR)
+ .word CONFIG_SYS_PIOD_PPUDR_VAL
+#elif defined(CONFIG_AT91SAM9261)
+ .word (AT91_BASE_SYS + AT91_PIOC + PIO_PDR)
+ .word CONFIG_SYS_PIOC_PDR_VAL1
+ .word (AT91_BASE_SYS + AT91_PIOC + PIO_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 CONFIG_SYS_MATRIX_EBICSA_VAL
+#endif
+
+ /* flash */
+ .word (AT91_BASE_SYS + AT91_SMC_MODE(0))
+ .word CONFIG_SYS_SMC0_MODE0_VAL
+
+ .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0))
+ .word CONFIG_SYS_SMC0_CYCLE0_VAL
+
+ .word (AT91_BASE_SYS + AT91_SMC_PULSE(0))
+ .word CONFIG_SYS_SMC0_PULSE0_VAL
+
+ .word (AT91_BASE_SYS + AT91_SMC_SETUP(0))
+ .word CONFIG_SYS_SMC0_SETUP0_VAL
+
+SMRDATA1:
+ .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word CONFIG_SYS_SDRC_MR_VAL1
+ .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
+ .word CONFIG_SYS_SDRC_TR_VAL1
+ .word (AT91_BASE_SYS + AT91_SDRAMC_CR)
+ .word CONFIG_SYS_SDRC_CR_VAL
+ .word (AT91_BASE_SYS + AT91_SDRAMC_MDR)
+ .word CONFIG_SYS_SDRC_MDR_VAL
+ .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_SDRC_MR_VAL3
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL2
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL3
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL4
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL5
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL6
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL7
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL8
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL9
+ .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_SDRC_MR_VAL5
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL11
+ .word (AT91_BASE_SYS + AT91_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 CONFIG_SYS_RSTC_RMR_VAL
+#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
+ /* MATRIX_MCFG - REMAP all masters */
+ .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0)
+ .word 0x1FF
+#endif
+
+SMRDATA2:
+ .word 0
--- /dev/null
+/*
+ * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jrosoft.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#ifndef __ASM_ARCH_AT91SAM9_MATRIX_H
+#define __ASM_ARCH_AT91SAM9_MATRIX_H
+
+#if defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9G20)
+#include <asm/arch/at91sam9260_matrix.h>
+#elif defined(CONFIG_AT91SAM9261)
+#include <asm/arch/at91sam9261_matrix.h>
+#elif defined(CONFIG_AT91SAM9263)
+#include <asm/arch/at91sam9263_matrix.h>
+#elif defined(CONFIG_AT91SAM9RL)
+#include <asm/arch/at91sam9rl_matrix.h>
+#elif defined(CONFIG_AT91CAP9)
+#include <asm/arch/at91cap9_matrix.h>
+#else
+#error "Unsupported AT91SAM9/CAP9 processor"
+#endif
+
+#endif /* __ASM_ARCH_AT91SAM9_MATRIX_H */
projects / u-boot / commitdiff