the lowlevel init sequence is the same so unify it
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com --- board/atmel/at91sam9263ek/Makefile | 3 - board/atmel/at91sam9263ek/lowlevel_init.S | 264 -------------------- board/ronetix/pm9261/Makefile | 4 - board/ronetix/pm9261/lowlevel_init.S | 259 ------------------- board/ronetix/pm9263/Makefile | 4 - cpu/arm926ejs/at91/Makefile | 8 +- .../pm9263 => cpu/arm926ejs/at91}/lowlevel_init.S | 22 ++- include/asm-arm/arch-at91/at91sam9_matrix.h | 28 ++ 8 files changed, 52 insertions(+), 540 deletions(-) delete mode 100644 board/atmel/at91sam9263ek/lowlevel_init.S delete mode 100644 board/ronetix/pm9261/lowlevel_init.S rename {board/ronetix/pm9263 => cpu/arm926ejs/at91}/lowlevel_init.S (92%) create mode 100644 include/asm-arm/arch-at91/at91sam9_matrix.h
diff --git a/board/atmel/at91sam9263ek/Makefile b/board/atmel/at91sam9263ek/Makefile index 19a354b..79ec45f 100644 --- a/board/atmel/at91sam9263ek/Makefile +++ b/board/atmel/at91sam9263ek/Makefile @@ -32,9 +32,6 @@ LIB = $(obj)lib$(BOARD).a 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)) diff --git a/board/atmel/at91sam9263ek/lowlevel_init.S b/board/atmel/at91sam9263ek/lowlevel_init.S deleted file mode 100644 index 3a95777..0000000 --- a/board/atmel/at91sam9263ek/lowlevel_init.S +++ /dev/null @@ -1,264 +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-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 diff --git a/board/ronetix/pm9261/Makefile b/board/ronetix/pm9261/Makefile index 1db9de2..2e065a2 100644 --- a/board/ronetix/pm9261/Makefile +++ b/board/ronetix/pm9261/Makefile @@ -34,10 +34,6 @@ COBJS-y += $(BOARD).o COBJS-y += led.o COBJS-$(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) $(SOBJS-y)) SOBJS := $(addprefix $(obj),$(SOBJS-y)) diff --git a/board/ronetix/pm9261/lowlevel_init.S b/board/ronetix/pm9261/lowlevel_init.S deleted file mode 100644 index 5880a84..0000000 --- a/board/ronetix/pm9261/lowlevel_init.S +++ /dev/null @@ -1,259 +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-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 diff --git a/board/ronetix/pm9263/Makefile b/board/ronetix/pm9263/Makefile index 270abd8..ebc2adf 100644 --- a/board/ronetix/pm9263/Makefile +++ b/board/ronetix/pm9263/Makefile @@ -34,10 +34,6 @@ COBJS-y += pm9263.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) $(SOBJS-y)) SOBJS := $(addprefix $(obj),$(SOBJS-y)) diff --git a/cpu/arm926ejs/at91/Makefile b/cpu/arm926ejs/at91/Makefile index 66eec76..3da89f4 100644 --- a/cpu/arm926ejs/at91/Makefile +++ b/cpu/arm926ejs/at91/Makefile @@ -37,8 +37,12 @@ COBJS-y += cpu.o 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)
diff --git a/board/ronetix/pm9263/lowlevel_init.S b/cpu/arm926ejs/at91/lowlevel_init.S similarity index 92% rename from board/ronetix/pm9263/lowlevel_init.S rename to cpu/arm926ejs/at91/lowlevel_init.S index b139c89..5ed518c 100644 --- a/board/ronetix/pm9263/lowlevel_init.S +++ b/cpu/arm926ejs/at91/lowlevel_init.S @@ -33,9 +33,9 @@ #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> -#include <asm/arch/at91sam9263_matrix.h>
_TEXT_BASE: .word TEXT_BASE @@ -87,8 +87,9 @@ POS1: */ 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] /* Enable main oscillator, OSCOUNT = 0xFF */ + str r0, [r1]
/* Reading the PMC Status to detect when the Main Oscillator is enabled */ mov r4, #AT91_PMC_MOSCS @@ -119,7 +120,7 @@ MOSCS_Loop1: /* ---------------------------------------------------------------------------- * PMC Init Step 3. * ---------------------------------------------------------------------------- - * - Switch on the Main Oscillator 18.432 MHz + * - Switch on the Main Oscillator * ---------------------------------------------------------------------------- */ ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR) @@ -185,15 +186,28 @@ 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)) diff --git a/include/asm-arm/arch-at91/at91sam9_matrix.h b/include/asm-arm/arch-at91/at91sam9_matrix.h new file mode 100644 index 0000000..913f374 --- /dev/null +++ b/include/asm-arm/arch-at91/at91sam9_matrix.h @@ -0,0 +1,28 @@ +/* + * 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 */