Stefano , > -----Original Message----- > From: u-boot-boun...@lists.denx.de > [mailto:u-boot-boun...@lists.denx.de] On Behalf Of Stefano Babic > Sent: 2010年3月28日 19:43 > To: u-boot@lists.denx.de > Subject: [U-Boot] [PATCH V2] Moved board specific values in > config file > > The lowlevel_init file contained some hard-coded values to > setup the RAM. These board related values are moved into the > board configuration file. > > Signed-off-by: Stefano Babic <sba...@denx.de> > --- > cpu/arm_cortexa8/mx51/lowlevel_init.S | 5 ++++- > include/configs/mx51evk.h | 3 +++ > 2 files changed, 7 insertions(+), 1 deletions(-) > > diff --git a/cpu/arm_cortexa8/mx51/lowlevel_init.S > b/cpu/arm_cortexa8/mx51/lowlevel_init.S > index 31af9e2..783c81f 100644 > --- a/cpu/arm_cortexa8/mx51/lowlevel_init.S > +++ b/cpu/arm_cortexa8/mx51/lowlevel_init.S > @@ -158,6 +158,7 @@ > /* Switch peripheral to PLL 3 */ > ldr r0, =CCM_BASE_ADDR > ldr r1, =0x000010C0 > + orr r1,r1,#CONFIG_SYS_DDR_CLKSEL > str r1, [r0, #CLKCTL_CBCMR] > ldr r1, =0x13239145 > str r1, [r0, #CLKCTL_CBCDR] > @@ -171,6 +172,7 @@ > ldr r1, =0x19239145 > str r1, [r0, #CLKCTL_CBCDR] > ldr r1, =0x000020C0 > + orr r1,r1,#CONFIG_SYS_DDR_CLKSEL > str r1, [r0, #CLKCTL_CBCMR] > > mov r3, #DP_OP_216 > @@ -201,9 +203,10 @@ > /* setup the rest */ > /* Use lp_apm (24MHz) source for perclk */ > ldr r1, =0x000020C2 > + orr r1,r1,#CONFIG_SYS_DDR_CLKSEL > str r1, [r0, #CLKCTL_CBCMR] > /* ddr clock from PLL 1, all perclk dividers are 1 > since using 24MHz */ > - ldr r1, =0x59E35100 > + ldr r1, =CONFIG_SYS_CLKTL_CBCDR > str r1, [r0, #CLKCTL_CBCDR] > > /* Restore the default values in the Gate registers */ > diff --git a/include/configs/mx51evk.h > b/include/configs/mx51evk.h index e2daeca..5096ab7 100644 > --- a/include/configs/mx51evk.h > +++ b/include/configs/mx51evk.h > @@ -177,6 +177,9 @@ > #define PHYS_SDRAM_1 CSD0_BASE_ADDR > #define PHYS_SDRAM_1_SIZE (512 * 1024 * 1024) > > +#define CONFIG_SYS_DDR_CLKSEL 0 > +#define CONFIG_SYS_CLKTL_CBCDR 0x59E35100
It's nice to have some comments about the value selected. > + > > /*------------------------------------------------------------ > ----------- > * FLASH and environment organization > */ > -- > 1.6.3.3 > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot > > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
