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mpc83xx: Add 831x support to speed.c.

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Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Scott Wood 2007-04-16 14:34:19 -05:00 committed by Kim Phillips
parent 0f253283a3
commit 7c98e5193e
1 changed files with 42 additions and 26 deletions
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68
cpu/mpc83xx/speed.c
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@ -99,11 +99,13 @@ 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;
@ -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)
@ -314,11 +326,13 @@ 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;
@ -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;
}