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| author | Anatolij Gustschin <agust@denx.de> | 2013-02-08 00:03:46 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2013-03-09 08:22:45 +0100 |
| commit | 1d63b8ffdb4c244fd1c6e4c31efad343b1919675 (patch) | |
| tree | 27938f86f44cdab6856fdf18c5700c0bfa206c15 /arch/powerpc | |
| parent | e5f538649c7d492b097fcfaf62e03b32b11e11be (diff) | |
| download | u-boot-imx-1d63b8ffdb4c244fd1c6e4c31efad343b1919675.zip u-boot-imx-1d63b8ffdb4c244fd1c6e4c31efad343b1919675.tar.gz u-boot-imx-1d63b8ffdb4c244fd1c6e4c31efad343b1919675.tar.bz2 | |
mpc512x: optionally configure DIU, LPC and NFC deviders
If a board config file defines DIU, LPC and NFC deviders,
configure them in the SCFR1 register.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/cpu/mpc512x/cpu_init.c | 15 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/immap_512x.h | 6 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc512x/cpu_init.c b/arch/powerpc/cpu/mpc512x/cpu_init.c index 2f6a14f..b308cb4 100644 --- a/arch/powerpc/cpu/mpc512x/cpu_init.c +++ b/arch/powerpc/cpu/mpc512x/cpu_init.c @@ -172,6 +172,21 @@ void cpu_init_f (volatile immap_t * im) ips_div |= SCFR1_IPS_DIV << SCFR1_IPS_DIV_SHIFT; out_be32(&im->clk.scfr[0], ips_div); +#ifdef SCFR1_LPC_DIV + clrsetbits_be32(&im->clk.scfr[0], SCFR1_LPC_DIV_MASK, + SCFR1_LPC_DIV << SCFR1_LPC_DIV_SHIFT); +#endif + +#ifdef SCFR1_NFC_DIV + clrsetbits_be32(&im->clk.scfr[0], SCFR1_NFC_DIV_MASK, + SCFR1_NFC_DIV << SCFR1_NFC_DIV_SHIFT); +#endif + +#ifdef SCFR1_DIU_DIV + clrsetbits_be32(&im->clk.scfr[0], SCFR1_DIU_DIV_MASK, + SCFR1_DIU_DIV << SCFR1_DIU_DIV_SHIFT); +#endif + /* * Enable Time Base/Decrementer * diff --git a/arch/powerpc/include/asm/immap_512x.h b/arch/powerpc/include/asm/immap_512x.h index f763a54..157e6b8 100644 --- a/arch/powerpc/include/asm/immap_512x.h +++ b/arch/powerpc/include/asm/immap_512x.h @@ -238,6 +238,12 @@ typedef struct clk512x { #define SCFR1_LPC_DIV_MASK 0x00003800 #define SCFR1_LPC_DIV_SHIFT 11 +#define SCFR1_NFC_DIV_MASK 0x00000700 +#define SCFR1_NFC_DIV_SHIFT 8 + +#define SCFR1_DIU_DIV_MASK 0x000000FF +#define SCFR1_DIU_DIV_SHIFT 0 + /* SCFR2 System Clock Frequency Register 2 */ #define SCFR2_SYS_DIV 0xFC000000 #define SCFR2_SYS_DIV_SHIFT 26 |