diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc83xx/speed.c | 68 |
1 files changed, 42 insertions, 26 deletions
diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c index c75993059e..1a440310e5 100644 --- a/cpu/mpc83xx/speed.c +++ b/cpu/mpc83xx/speed.c @@ -99,12 +99,14 @@ int get_clocks(void) u32 lcrr; u32 csb_clk; -#if defined(CONFIG_MPC834X) +#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) u32 tsec1_clk; u32 tsec2_clk; - u32 usbmph_clk; u32 usbdr_clk; #endif +#ifdef CONFIG_MPC834X + u32 usbmph_clk; +#endif u32 core_clk; u32 i2c1_clk; #if !defined(CONFIG_MPC832X) @@ -148,7 +150,7 @@ int get_clocks(void) sccr = im->clk.sccr; -#if defined(CONFIG_MPC834X) +#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) { case 0: tsec1_clk = 0; @@ -167,6 +169,26 @@ int get_clocks(void) return -4; } + switch ((sccr & SCCR_USBDRCM) >> SCCR_USBDRCM_SHIFT) { + case 0: + usbdr_clk = 0; + break; + case 1: + usbdr_clk = csb_clk; + break; + case 2: + usbdr_clk = csb_clk / 2; + break; + case 3: + usbdr_clk = csb_clk / 3; + break; + default: + /* unkown SCCR_USBDRCM value */ + return -8; + } +#endif + +#if defined(CONFIG_MPC834X) switch ((sccr & SCCR_TSEC2CM) >> SCCR_TSEC2CM_SHIFT) { case 0: tsec2_clk = 0; @@ -205,24 +227,6 @@ int get_clocks(void) return -7; } - switch ((sccr & SCCR_USBDRCM) >> SCCR_USBDRCM_SHIFT) { - case 0: - usbdr_clk = 0; - break; - case 1: - usbdr_clk = csb_clk; - break; - case 2: - usbdr_clk = csb_clk / 2; - break; - case 3: - usbdr_clk = csb_clk / 3; - break; - default: - /* unkown SCCR_USBDRCM value */ - return -8; - } - if (usbmph_clk != 0 && usbdr_clk != 0 && usbmph_clk != usbdr_clk) { /* if USB MPH clock is not disabled and * USB DR clock is not disabled then @@ -230,8 +234,16 @@ int get_clocks(void) */ return -9; } +#elif defined(CONFIG_MPC831X) + tsec2_clk = tsec1_clk; + + if (!(sccr & SCCR_TSEC1ON)) + tsec1_clk = 0; + if (!(sccr & SCCR_TSEC2ON)) + tsec2_clk = 0; #endif -#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X) + +#if !defined(CONFIG_MPC834X) i2c1_clk = csb_clk; #endif #if !defined(CONFIG_MPC832X) @@ -314,12 +326,14 @@ int get_clocks(void) #endif gd->csb_clk = csb_clk; -#if defined(CONFIG_MPC834X) +#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) gd->tsec1_clk = tsec1_clk; gd->tsec2_clk = tsec2_clk; - gd->usbmph_clk = usbmph_clk; gd->usbdr_clk = usbdr_clk; #endif +#if defined(CONFIG_MPC834X) + gd->usbmph_clk = usbmph_clk; +#endif gd->core_clk = core_clk; gd->i2c1_clk = i2c1_clk; #if !defined(CONFIG_MPC832X) @@ -371,11 +385,13 @@ int print_clock_conf(void) #if !defined(CONFIG_MPC832X) printf(" I2C2: %4d MHz\n", gd->i2c2_clk / 1000000); #endif -#if defined(CONFIG_MPC834X) +#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) printf(" TSEC1: %4d MHz\n", gd->tsec1_clk / 1000000); printf(" TSEC2: %4d MHz\n", gd->tsec2_clk / 1000000); - printf(" USB MPH: %4d MHz\n", gd->usbmph_clk / 1000000); printf(" USB DR: %4d MHz\n", gd->usbdr_clk / 1000000); #endif +#if defined(CONFIG_MPC834X) + printf(" USB MPH: %4d MHz\n", gd->usbmph_clk / 1000000); +#endif return 0; } |