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spl/mpc85xx: move udelay to cpu code 

It applies to non-Freescale 85xx boards as well as Freescale boards,
so it doesn't belong in board/freescale.  Plus, it needs to come out
of nand_spl if it's to be used by the new SPL.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Scott Wood 2012-08-17 19:46:29 -05:00
parent 8bc50f0b6d
commit 59629c2897
5 changed files with 20 additions and 55 deletions
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17
arch/powerpc/cpu/mpc85xx/cpu_init_nand.c
View File

@ -21,9 +21,13 @@
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/global_data.h>
#include <asm/fsl_ifc.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
void cpu_init_f(void)
{
#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
@ -40,3 +44,16 @@ void cpu_init_f(void)
(MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE));
#endif
}
#ifndef CONFIG_SYS_FSL_TBCLK_DIV
#define CONFIG_SYS_FSL_TBCLK_DIV 8
#endif
void udelay(unsigned long usec)
{
u32 ticks_per_usec = gd->bus_clk / (CONFIG_SYS_FSL_TBCLK_DIV * 1000000);
u32 ticks = ticks_per_usec * usec;
u32 s = mfspr(SPRN_TBRL);
while ((mfspr(SPRN_TBRL) - s) < ticks);
}

40
nand_spl/board/freescale/common.c
View File

@ -1,40 +0,0 @@
/*
* Copyright 2012 Freescale Semiconductor, Inc.
* Author: Matthew McClintock <msm@freescale.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.
*
* 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/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
#ifndef CONFIG_SYS_FSL_TBCLK_DIV
#define CONFIG_SYS_FSL_TBCLK_DIV 8
#endif
void udelay(unsigned long usec)
{
u32 ticks_per_usec = gd->bus_clk / (CONFIG_SYS_FSL_TBCLK_DIV * 1000000);
u32 ticks = ticks_per_usec * usec;
u32 s = mfspr(SPRN_TBRL);
while ((mfspr(SPRN_TBRL) - s) < ticks);
}

6
nand_spl/board/freescale/p1010rdb/Makefile
View File

@ -40,8 +40,7 @@ CFLAGS += -DCONFIG_NAND_SPL
SOBJS = start.o resetvec.o ticks.o
COBJS = cache.o cpu_init_early.o cpu_init_nand.o fsl_law.o law.o \
nand_boot.o nand_boot_fsl_ifc.o ns16550.o tlb.o tlb_table.o \
../common.o
nand_boot.o nand_boot_fsl_ifc.o ns16550.o tlb.o tlb_table.o
SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
@ -130,9 +129,6 @@ ifneq ($(OBJTREE), $(SRCTREE))
$(obj)nand_boot.c:
@rm -f $(obj)nand_boot.c
ln -s $(SRCTREE)/nand_spl/board/$(BOARDDIR)/nand_boot.c $(obj)nand_boot.c
$(obj)../common.c:
@rm -f $(obj)../common.c
ln -s $(SRCTREE)/nand_spl/board/freescale/common.c $(obj)../common.c
endif
#########################################################################

6
nand_spl/board/freescale/p1023rds/Makefile
View File

@ -35,8 +35,7 @@ CFLAGS += -DCONFIG_NAND_SPL
SOBJS = start.o resetvec.o
COBJS = cache.o cpu_init_early.o cpu_init_nand.o fsl_law.o law.o \
nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o \
../common.o
nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
@ -121,9 +120,6 @@ ifneq ($(OBJTREE), $(SRCTREE))
$(obj)nand_boot.c:
@rm -f $(obj)nand_boot.c
ln -s $(SRCTREE)/nand_spl/board/$(BOARDDIR)/nand_boot.c $(obj)nand_boot.c
$(obj)../common.c:
@rm -f $(obj)../common.c
ln -s $(SRCTREE)/nand_spl/board/freescale/common.c $(obj)../common.c
endif
#########################################################################

6
nand_spl/board/freescale/p1_p2_rdb_pc/Makefile
View File

@ -40,8 +40,7 @@ CFLAGS += -DCONFIG_NAND_SPL
SOBJS = start.o resetvec.o
COBJS = cache.o cpu_init_early.o cpu_init_nand.o fsl_law.o law.o \
nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o \
../common.o
nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
@ -125,9 +124,6 @@ ifneq ($(OBJTREE), $(SRCTREE))
$(obj)nand_boot.c:
@rm -f $(obj)nand_boot.c
ln -s $(SRCTREE)/nand_spl/board/$(BOARDDIR)/nand_boot.c $(obj)nand_boot.c
$(obj)../common.c:
@rm -f $(obj)../common.c
ln -s $(SRCTREE)/nand_spl/board/freescale/common.c $(obj)../common.c
endif
#########################################################################