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| author | Jason Jin <Jason.jin@freescale.com> | 2008-09-27 14:40:57 +0800 |
|---|---|---|
| committer | Andrew Fleming-AFLEMING <afleming@freescale.com> | 2008-10-07 15:37:08 -0500 |
| commit | c0391111c33c22fabeddf8f4ca801ec7645b4f5c (patch) | |
| tree | 38f34ae2b3cdb04300ee0c5afb08e9317c2e5d05 /cpu | |
| parent | bac6a1d1fa1cd80aa57881fa9c2152b853cd0ed4 (diff) | |
| download | u-boot-c0391111c33c22fabeddf8f4ca801ec7645b4f5c.tar.gz u-boot-c0391111c33c22fabeddf8f4ca801ec7645b4f5c.tar.bz2 u-boot-c0391111c33c22fabeddf8f4ca801ec7645b4f5c.zip | |
Fix the incorrect DDR clk freq reporting on 8536DS
On 8536DS board, When the DDR clk is set async mode(SW3[6:8] != 111),
The display is still sync mode DDR freq. This patch try to fix
this. The display DDR freq is now the actual freq in both
sync and async mode.
Signed-off-by: Jason Jin <Jason.jin@freescale.com>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc85xx/cpu.c | 3 | ||||
| -rw-r--r-- | cpu/mpc85xx/speed.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index 67e81c0574..f15b0a8c9e 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -85,7 +85,8 @@ int checkcpu (void) struct cpu_type *cpu; #ifdef CONFIG_DDR_CLK_FREQ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); - u32 ddr_ratio = ((gur->porpllsr) & 0x00003e00) >> 9; + u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO) + >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT; #else u32 ddr_ratio = 0; #endif diff --git a/cpu/mpc85xx/speed.c b/cpu/mpc85xx/speed.c index 1cda1e34eb..485ba20fd7 100644 --- a/cpu/mpc85xx/speed.c +++ b/cpu/mpc85xx/speed.c @@ -54,7 +54,8 @@ void get_sys_info (sys_info_t * sysInfo) #ifdef CONFIG_DDR_CLK_FREQ { - u32 ddr_ratio = ((gur->porpllsr) & 0x00003e00) >> 9; + u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO) + >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT; if (ddr_ratio != 0x7) sysInfo->freqDDRBus = ddr_ratio * CONFIG_DDR_CLK_FREQ; } |