m68k: add support for mcf5307 cpu
PATCH v4 1/2 m68k: add support for mcf5307 cpu
Add support for freescale coldfire mcf5307 cpu.
Signed-off-by Angelo Dureghello <[email protected]>
Cc Jason Jin <[email protected]>
---
Changes for v2:
- Add MAINTAINERS entry
- Add boards.cfg entry
Changes for v3:
- Fix code format issues
Changes for v4:
- Removed MAINTAINERS file / entry
- Fixed macroes adding do {} while(0)
- Removed volatile
- Accessing cpu registers through structures/pointers
--- arch/m68k/cpu/mcf530x/Makefile | 48 +++++++ arch/m68k/cpu/mcf530x/config.mk | 30 ++++ arch/m68k/cpu/mcf530x/cpu.c | 53 +++++++ arch/m68k/cpu/mcf530x/cpu.h | 33 +++++ arch/m68k/cpu/mcf530x/cpu_init.c | 175 +++++++++++++++++++++++ arch/m68k/cpu/mcf530x/interrupts.c | 44 ++++++ arch/m68k/cpu/mcf530x/speed.c | 38 +++++ arch/m68k/cpu/mcf530x/start.S | 271 ++++++++++++++++++++++++++++++++++++ arch/m68k/include/asm/cache.h | 3 +- arch/m68k/include/asm/immap.h | 23 +++ arch/m68k/include/asm/immap_5307.h | 135 ++++++++++++++++++ arch/m68k/include/asm/m5307.h | 87 ++++++++++++ arch/m68k/include/asm/timer.h | 3 +- arch/m68k/lib/time.c | 1 + 14 files changed, 942 insertions(+), 2 deletions(-)
arch/m68k/cpu/mcf530x/Makefile new file +48 -0
@@ -0,0 +1,48 @@ +# +# Copyright (c) 2011 Angelo Dureghello <[email protected]> +# +# 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 $(TOPDIR)/config.mk + +# CFLAGS += -DET_DEBUG + +LIB = $(obj)lib$(CPU).o + +START = start.o +COBJS = interrupts.o cpu.o speed.o cpu_init.o + +SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) +START := $(addprefix $(obj),$(START)) + +all: $(obj).depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +#########################################################################
arch/m68k/cpu/mcf530x/config.mk new file +30 -0
@@ -0,0 +1,30 @@ +# +# Copyright (c) 2012 Angelo Dureghello <[email protected]> +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +PLATFORM_RELFLAGS += -ffixed-d7 -msep-data + +cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/') +is5307:=$(shell grep CONFIG_M5307 $(TOPDIR)/include/$(cfg)) + +ifneq (,$(findstring CONFIG_M5307,$(is5307))) +PLATFORM_CPPFLAGS += -mcpu=5307 +endif
arch/m68k/cpu/mcf530x/cpu.c new file +53 -0
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arch/m68k/cpu/mcf530x/cpu.h new file +33 -0
@@ -0,0 +1,33 @@ +/* +* cpu.h +* +* Copyright (c) 2012 Angelo Dureghello <[email protected]> +* +* 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., 51 Franklin St, Fifth Floor, Boston, +* MA 02110-1301 USA +*/ + +#ifndef _CPU_H_ +#define _CPU_H_ + +#include <command.h> + +/* Use this to create board specific reset functions */ +void board_reset (void ) __attribute__((__weak__)); + +#endif /* _CPU_H_ */
arch/m68k/cpu/mcf530x/cpu_init.c new file +175 -0
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arch/m68k/cpu/mcf530x/interrupts.c new file +44 -0
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arch/m68k/cpu/mcf530x/speed.c new file +38 -0
@@ -0,0 +1,38 @@ +/* +* Copyright (c) 2012 Angelo Dureghello <[email protected]> +* +* 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 <common.h> +#include <asm/processor.h> +#include <asm/immap.h> + +DECLARE_GLOBAL_DATA_PTR ; + +/* get_clocks() fills in gd->cpu_clock and gd->bus_clk */ +int get_clocks (void ) +{ +#if defined(CONFIG_M5307 ) + gd->bus_clk =CONFIG_SYS_CLK ; + gd->cpu_clk =CONFIG_SYS_CPU_CLK ; +#endif + +return 0 ; +}
arch/m68k/cpu/mcf530x/start.S new file +271 -0
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arch/m68k/include/asm/cache.h +2 -1
@@ -31,7 +31,8 @@#define CONFIG_CF_V2 #endif -#if defined(CONFIG_MCF532x) || defined(CONFIG_MCF5301x) +#if defined(CONFIG_MCF530x) || defined(CONFIG_MCF532x) || \ + defined(CONFIG_MCF5301x)#define CONFIG_CF_V3 #endif
arch/m68k/include/asm/immap.h +23 -0
@@ -256,6 +256,29 @@#endif #endif /* CONFIG_M5282 */ +#ifdef CONFIG_M5307 +#include <asm/immap_5307.h> +#include <asm/m5307.h> + +#define CONFIG_SYS_UART_BASE (MMAP_UART0 + \ + (CONFIG_SYS_UART_PORT * 0x40)) +#define CONFIG_SYS_INTR_BASE (MMAP_INTC) +#define CONFIG_SYS_NUM_IRQS (64) + +/* Timer */ +#ifdef CONFIG_MCFTMR +#define CONFIG_SYS_UDELAY_BASE (MMAP_DTMR0) +#define CONFIG_SYS_TMR_BASE (MMAP_DTMR1) +#define CONFIG_SYS_TMRPND_REG (in_be32(MMAP_INTC)) +#define CONFIG_SYS_TMRINTR_NO (31) +#define CONFIG_SYS_TMRINTR_MASK (0x00000400) +#define CONFIG_SYS_TMRINTR_PEND (CONFIG_SYS_TMRINTR_MASK) +#define CONFIG_SYS_TMRINTR_PRI (MCFSIM_ICR_AUTOVEC | \ + MCFSIM_ICR_LEVEL7 | MCFSIM_ICR_PRI3) +#define CONFIG_SYS_TIMER_PRESCALER (((gd->bus_clk / 1000000) - 1) << 8) +#endif +#endif /* CONFIG_M5307 */ +#if defined(CONFIG_MCF5301x)#include <asm/immap_5301x.h> #include <asm/m5301x.h>
arch/m68k/include/asm/immap_5307.h new file +134 -0
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arch/m68k/include/asm/m5307.h new file +86 -0
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arch/m68k/include/asm/timer.h +2 -1
@@ -33,7 +33,8 @@/****************************************************************************/ /* DMA Timer module registers */ typedef struct dtimer_ctrl { -#if defined(CONFIG_M5249) || defined(CONFIG_M5253) || defined(CONFIG_M5272) +#if defined(CONFIG_M5249) || defined(CONFIG_M5253) || \ + defined(CONFIG_M5272) || defined(CONFIG_M5307) u16 tmr; /* 0x00 Mode register */ u16 res1; /* 0x02 */ u16 trr; /* 0x04 Reference register */
arch/m68k/lib/time.c +1 -0
@@ -27,6 +27,7 @@#include <asm/timer.h> #include <asm/immap.h> +#include <asm/io.h> #include <watchdog.h> DECLARE_GLOBAL_DATA_PTR ;