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authorKim Phillips <kim.phillips@freescale.com>2008-01-16 12:06:16 -0600
committerKim Phillips <kim.phillips@freescale.com>2008-01-16 12:32:39 -0600
commit9e89647889cd4b5ada5b5e7cad6cbe55737a08d7 (patch)
tree82be5026f963c2fb9ce66120897c0d7b3e72dc4c /cpu
parent711a7946277d2e29af481011e8635e9975c54e45 (diff)
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mpc83xx: add support for more system clock performance controls
System registers that are modified are the Arbiter Configuration Register (ACR), the System Priority Control Register (SPCR), and the System Clock Configuration Register (SCCR). Signed-off by: Michael F. Reiss <Michael.F.Reiss@freescale.com> Signed-off by: Joe D'Abbraccio <ljd015@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'cpu')
-rw-r--r--cpu/mpc83xx/cpu_init.c73
-rw-r--r--cpu/mpc83xx/speed.c12
2 files changed, 57 insertions, 28 deletions
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c
index 18d5a76..3337d8c 100644
--- a/cpu/mpc83xx/cpu_init.c
+++ b/cpu/mpc83xx/cpu_init.c
@@ -78,59 +78,88 @@ void cpu_init_f (volatile immap_t * im)
im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSECEP) | (CFG_SPCR_TSECEP << SPCR_TSECEP_SHIFT);
#endif
+#ifdef CFG_ACR_RPTCNT
+ /* Arbiter repeat count */
+ im->arbiter.acr = (im->arbiter.acr & ~(ACR_RPTCNT)) |
+ (CFG_ACR_RPTCNT << ACR_RPTCNT_SHIFT);
+#endif
+
+#ifdef CFG_SPCR_TSECEP
+ /* all TSEC's Emergency priority */
+ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSECEP) |
+ (CFG_SPCR_TSECEP << SPCR_TSECEP_SHIFT);
+#endif
+
#ifdef CFG_SPCR_TSEC1EP
/* TSEC1 Emergency priority */
- im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC1EP) | (CFG_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT);
+ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC1EP) |
+ (CFG_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT);
#endif
#ifdef CFG_SPCR_TSEC2EP
/* TSEC2 Emergency priority */
- im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC2EP) | (CFG_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT);
+ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC2EP) |
+ (CFG_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT);
+#endif
+
+#ifdef CFG_SCCR_ENCCM
+ /* Encryption clock mode */
+ im->clk.sccr = (im->clk.sccr & ~SCCR_ENCCM) |
+ (CFG_SCCR_ENCCM << SCCR_PCICM_SHIFT);
+#endif
+
+#ifdef CFG_SCCR_PCICM
+ /* PCI & DMA clock mode */
+ im->clk.sccr = (im->clk.sccr & ~SCCR_PCICM) |
+ (CFG_SCCR_PCICM << SCCR_PCICM_SHIFT);
+#endif
+
+#ifdef CFG_SCCR_TSECCM
+ /* all TSEC's clock mode */
+ im->clk.sccr = (im->clk.sccr & ~SCCR_TSECCM) |
+ (CFG_SCCR_TSECCM << SCCR_TSECCM_SHIFT);
#endif
#ifdef CFG_SCCR_TSEC1CM
/* TSEC1 clock mode */
- im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1CM) | (CFG_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT);
+ im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1CM) |
+ (CFG_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT);
#endif
#ifdef CFG_SCCR_TSEC2CM
- /* TSEC2 & I2C1 clock mode */
- im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2CM) | (CFG_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT);
+ /* TSEC2 clock mode */
+ im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2CM) |
+ (CFG_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT);
#endif
#ifdef CFG_SCCR_TSEC1ON
/* TSEC1 clock switch */
- im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1ON) | (CFG_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT);
+ im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1ON) |
+ (CFG_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT);
#endif
#ifdef CFG_SCCR_TSEC2ON
/* TSEC2 clock switch */
- im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2ON) | (CFG_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT);
+ im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2ON) |
+ (CFG_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT);
#endif
#ifdef CFG_SCCR_USBMPHCM
/* USB MPH clock mode */
- im->clk.sccr = (im->clk.sccr & ~SCCR_USBMPHCM) | (CFG_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT);
-#endif
-
-#ifdef CFG_SCCR_PCICM
- /* PCI & DMA clock mode */
- im->clk.sccr = (im->clk.sccr & ~SCCR_PCICM) | (CFG_SCCR_PCICM << SCCR_PCICM_SHIFT);
+ im->clk.sccr = (im->clk.sccr & ~SCCR_USBMPHCM) |
+ (CFG_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT);
#endif
#ifdef CFG_SCCR_USBDRCM
/* USB DR clock mode */
- im->clk.sccr = (im->clk.sccr & ~SCCR_USBDRCM) | (CFG_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT);
+ im->clk.sccr = (im->clk.sccr & ~SCCR_USBDRCM) |
+ (CFG_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT);
#endif
-#ifdef CFG_SCCR_ENCCM
- /* Encryption clock mode */
- im->clk.sccr = (im->clk.sccr & ~SCCR_ENCCM) | (CFG_SCCR_ENCCM << SCCR_PCICM_SHIFT);
-#endif
-
-#ifdef CFG_ACR_RPTCNT
- /* Arbiter repeat count */
- im->arbiter.acr = ((im->arbiter.acr & ~(ACR_RPTCNT)) | (CFG_ACR_RPTCNT << ACR_RPTCNT_SHIFT));
+#ifdef CFG_SCCR_SATACM
+ /* SATA controller clock mode */
+ im->clk.sccr = (im->clk.sccr & ~SCCR_SATACM) |
+ (CFG_SCCR_SATACM << SCCR_SATACM_SHIFT);
#endif
/* RSR - Reset Status Register - clear all status (4.6.1.3) */
diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c
index 4f5a866..61c9379 100644
--- a/cpu/mpc83xx/speed.c
+++ b/cpu/mpc83xx/speed.c
@@ -367,21 +367,21 @@ int get_clocks(void)
#endif
#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
- switch ((sccr & SCCR_SATA1CM) >> SCCR_SATA1CM_SHIFT) {
- case 0:
+ switch ((sccr & SCCR_SATACM) >> SCCR_SATACM_SHIFT) {
+ case SCCR_SATACM_0:
sata_clk = 0;
break;
- case 1:
+ case SCCR_SATACM_1:
sata_clk = csb_clk;
break;
- case 2:
+ case SCCR_SATACM_2:
sata_clk = csb_clk / 2;
break;
- case 3:
+ case SCCR_SATACM_3:
sata_clk = csb_clk / 3;
break;
default:
- /* unkown SCCR_SATA1CM value */
+ /* unkown SCCR_SATACM value */
return -11;
}
#endif