diff options
Diffstat (limited to 'nand_spl')
| -rw-r--r-- | nand_spl/board/freescale/common.c | 40 | ||||
| -rw-r--r-- | nand_spl/board/freescale/p1010rdb/Makefile | 6 | ||||
| -rw-r--r-- | nand_spl/board/freescale/p1010rdb/nand_boot.c | 11 | ||||
| -rw-r--r-- | nand_spl/board/freescale/p1_p2_rdb_pc/Makefile | 6 | ||||
| -rw-r--r-- | nand_spl/board/freescale/p1_p2_rdb_pc/nand_boot.c | 12 | 
5 files changed, 60 insertions, 15 deletions
| diff --git a/nand_spl/board/freescale/common.c b/nand_spl/board/freescale/common.c new file mode 100644 index 000000000..0e099bc7c --- /dev/null +++ b/nand_spl/board/freescale/common.c @@ -0,0 +1,40 @@ +/* + * 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); +} diff --git a/nand_spl/board/freescale/p1010rdb/Makefile b/nand_spl/board/freescale/p1010rdb/Makefile index 8d240eadd..cdbd49292 100644 --- a/nand_spl/board/freescale/p1010rdb/Makefile +++ b/nand_spl/board/freescale/p1010rdb/Makefile @@ -39,7 +39,8 @@ 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 +	  nand_boot.o nand_boot_fsl_ifc.o ns16550.o tlb.o tlb_table.o \ +	  ../common.o  SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))  OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS)) @@ -123,6 +124,9 @@ ifneq ($(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  ######################################################################### diff --git a/nand_spl/board/freescale/p1010rdb/nand_boot.c b/nand_spl/board/freescale/p1010rdb/nand_boot.c index f5294d0da..a0755098f 100644 --- a/nand_spl/board/freescale/p1010rdb/nand_boot.c +++ b/nand_spl/board/freescale/p1010rdb/nand_boot.c @@ -27,8 +27,9 @@  #include <asm/immap_85xx.h>  #include <asm/fsl_ddr_sdram.h>  #include <asm/fsl_law.h> +#include <asm/global_data.h> -#define udelay(x) { int j; for (j = 0; j < x * 10000; j++) isync(); } +DECLARE_GLOBAL_DATA_PTR;  unsigned long ddr_freq_mhz; @@ -82,8 +83,7 @@ void sdram_init(void)  		__raw_writel((CONFIG_SYS_DDR_CS0_BNDS >> 1) & 0x0fff0fff, &ddr->cs0_bnds);  	} -	/* mimic 500us delay, with busy isync() loop */ -	udelay(100); +	udelay(500);  	/* Let the controller go */  	out_be32(&ddr->sdram_cfg, in_be32(&ddr->sdram_cfg) | SDRAM_CFG_MEM_EN); @@ -94,20 +94,19 @@ void sdram_init(void)  void board_init_f(ulong bootflag)  {  	u32 plat_ratio, ddr_ratio; -	unsigned long bus_clk;  	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;  	/* initialize selected port with appropriate baud rate */  	plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;  	plat_ratio >>= 1; -	bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; +	gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;  	ddr_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO;  	ddr_ratio = ddr_ratio >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;  	ddr_freq_mhz = (CONFIG_SYS_CLK_FREQ * ddr_ratio) / 0x1000000;  	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, -			bus_clk / 16 / CONFIG_BAUDRATE); +			gd->bus_clk / 16 / CONFIG_BAUDRATE);  	puts("\nNAND boot... "); diff --git a/nand_spl/board/freescale/p1_p2_rdb_pc/Makefile b/nand_spl/board/freescale/p1_p2_rdb_pc/Makefile index 475cc496b..46cf7099b 100644 --- a/nand_spl/board/freescale/p1_p2_rdb_pc/Makefile +++ b/nand_spl/board/freescale/p1_p2_rdb_pc/Makefile @@ -39,7 +39,8 @@ 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 +	  nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o \ +	  ../common.o  SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))  OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS)) @@ -119,6 +120,9 @@ ifneq ($(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  ######################################################################### diff --git a/nand_spl/board/freescale/p1_p2_rdb_pc/nand_boot.c b/nand_spl/board/freescale/p1_p2_rdb_pc/nand_boot.c index b9796ea6c..fcff38249 100644 --- a/nand_spl/board/freescale/p1_p2_rdb_pc/nand_boot.c +++ b/nand_spl/board/freescale/p1_p2_rdb_pc/nand_boot.c @@ -25,11 +25,9 @@  #include <nand.h>  #include <asm/fsl_law.h>  #include <asm/fsl_ddr_sdram.h> +#include <asm/global_data.h> -#define udelay(x) {int i, j; \ -			for (i = 0; i < x; i++) \ -				for (j = 0; j < 10000; j++) \ -					; } +DECLARE_GLOBAL_DATA_PTR;  /*   * Fixed sdram init -- doesn't use serial presence detect. @@ -76,7 +74,7 @@ void sdram_init(void)  void board_init_f(ulong bootflag)  { -	u32 plat_ratio, bus_clk; +	u32 plat_ratio;  	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;  #ifndef CONFIG_QE  	ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); @@ -85,10 +83,10 @@ void board_init_f(ulong bootflag)  	/* initialize selected port with appropriate baud rate */  	plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;  	plat_ratio >>= 1; -	bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; +	gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;  	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, -			bus_clk / 16 / CONFIG_BAUDRATE); +			gd->bus_clk / 16 / CONFIG_BAUDRATE);  	puts("\nNAND boot... "); |