summaryrefslogtreecommitdiff
path: root/cpu/mpc83xx/speed.c
diff options
context:
space:
mode:
authorStefan Roese <sr@denx.de>2008-01-13 15:04:37 +0100
committerStefan Roese <sr@denx.de>2008-01-13 15:04:37 +0100
commit8d79953d03e6c5b24215609997dafe4daa623cd6 (patch)
treecb9a4246cde2d32fa600461da008c7d59b57cf4b /cpu/mpc83xx/speed.c
parent47cc23cbe9a669c510183f4f049bf703ef445f3b (diff)
parent2b2f43ed6a30ece77f76191c845ac95267daa31a (diff)
downloadu-boot-imx-8d79953d03e6c5b24215609997dafe4daa623cd6.zip
u-boot-imx-8d79953d03e6c5b24215609997dafe4daa623cd6.tar.gz
u-boot-imx-8d79953d03e6c5b24215609997dafe4daa623cd6.tar.bz2
Merge branch 'master' of /home/stefan/git/u-boot/u-boot
Diffstat (limited to 'cpu/mpc83xx/speed.c')
-rw-r--r--cpu/mpc83xx/speed.c201
1 files changed, 172 insertions, 29 deletions
diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c
index cba57fa..4f5a866 100644
--- a/cpu/mpc83xx/speed.c
+++ b/cpu/mpc83xx/speed.c
@@ -2,7 +2,7 @@
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -100,7 +100,7 @@ int get_clocks(void)
u32 lcrr;
u32 csb_clk;
-#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X)
+#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) || defined(CONFIG_MPC837X)
u32 tsec1_clk;
u32 tsec2_clk;
u32 usbdr_clk;
@@ -113,6 +113,12 @@ int get_clocks(void)
#if !defined(CONFIG_MPC832X)
u32 i2c2_clk;
#endif
+#if defined(CONFIG_MPC8315)
+ u32 tdm_clk;
+#endif
+#if defined(CONFIG_MPC837X)
+ u32 sdhc_clk;
+#endif
u32 enc_clk;
u32 lbiu_clk;
u32 lclk_clk;
@@ -126,6 +132,13 @@ int get_clocks(void)
u32 qe_clk;
u32 brg_clk;
#endif
+#if defined(CONFIG_MPC837X)
+ u32 pciexp1_clk;
+ u32 pciexp2_clk;
+#endif
+#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
+ u32 sata_clk;
+#endif
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
return -1;
@@ -151,7 +164,7 @@ int get_clocks(void)
sccr = im->clk.sccr;
-#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X)
+#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) || defined(CONFIG_MPC837X)
switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) {
case 0:
tsec1_clk = 0;
@@ -167,7 +180,7 @@ int get_clocks(void)
break;
default:
/* unkown SCCR_TSEC1CM value */
- return -4;
+ return -2;
}
switch ((sccr & SCCR_USBDRCM) >> SCCR_USBDRCM_SHIFT) {
@@ -185,11 +198,11 @@ int get_clocks(void)
break;
default:
/* unkown SCCR_USBDRCM value */
- return -8;
+ return -3;
}
#endif
-#if defined(CONFIG_MPC834X)
+#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
switch ((sccr & SCCR_TSEC2CM) >> SCCR_TSEC2CM_SHIFT) {
case 0:
tsec2_clk = 0;
@@ -205,11 +218,18 @@ int get_clocks(void)
break;
default:
/* unkown SCCR_TSEC2CM value */
- return -5;
+ return -4;
}
+#elif defined(CONFIG_MPC8313)
+ tsec2_clk = tsec1_clk;
- i2c1_clk = tsec2_clk;
+ if (!(sccr & SCCR_TSEC1ON))
+ tsec1_clk = 0;
+ if (!(sccr & SCCR_TSEC2ON))
+ tsec2_clk = 0;
+#endif
+#if defined(CONFIG_MPC834X)
switch ((sccr & SCCR_USBMPHCM) >> SCCR_USBMPHCM_SHIFT) {
case 0:
usbmph_clk = 0;
@@ -225,7 +245,7 @@ int get_clocks(void)
break;
default:
/* unkown SCCR_USBMPHCM value */
- return -7;
+ return -5;
}
if (usbmph_clk != 0 && usbdr_clk != 0 && usbmph_clk != usbdr_clk) {
@@ -233,41 +253,138 @@ int get_clocks(void)
* USB DR clock is not disabled then
* USB MPH & USB DR must have the same rate
*/
- return -9;
+ return -6;
+ }
+#endif
+ switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
+ case 0:
+ enc_clk = 0;
+ break;
+ case 1:
+ enc_clk = csb_clk;
+ break;
+ case 2:
+ enc_clk = csb_clk / 2;
+ break;
+ case 3:
+ enc_clk = csb_clk / 3;
+ break;
+ default:
+ /* unkown SCCR_ENCCM value */
+ return -7;
}
-#elif defined(CONFIG_MPC831X)
- tsec2_clk = tsec1_clk;
- if (!(sccr & SCCR_TSEC1ON))
- tsec1_clk = 0;
- if (!(sccr & SCCR_TSEC2ON))
- tsec2_clk = 0;
+#if defined(CONFIG_MPC837X)
+ switch ((sccr & SCCR_SDHCCM) >> SCCR_SDHCCM_SHIFT) {
+ case 0:
+ sdhc_clk = 0;
+ break;
+ case 1:
+ sdhc_clk = csb_clk;
+ break;
+ case 2:
+ sdhc_clk = csb_clk / 2;
+ break;
+ case 3:
+ sdhc_clk = csb_clk / 3;
+ break;
+ default:
+ /* unkown SCCR_SDHCCM value */
+ return -8;
+ }
+#endif
+#if defined(CONFIG_MPC8315)
+ switch ((sccr & SCCR_TDMCM) >> SCCR_TDMCM_SHIFT) {
+ case 0:
+ tdm_clk = 0;
+ break;
+ case 1:
+ tdm_clk = csb_clk;
+ break;
+ case 2:
+ tdm_clk = csb_clk / 2;
+ break;
+ case 3:
+ tdm_clk = csb_clk / 3;
+ break;
+ default:
+ /* unkown SCCR_TDMCM value */
+ return -8;
+ }
#endif
-#if !defined(CONFIG_MPC834X)
+#if defined(CONFIG_MPC834X)
+ i2c1_clk = tsec2_clk;
+#elif defined(CONFIG_MPC8360)
i2c1_clk = csb_clk;
+#elif defined(CONFIG_MPC832X)
+ i2c1_clk = enc_clk;
+#elif defined(CONFIG_MPC831X)
+ i2c1_clk = enc_clk;
+#elif defined(CONFIG_MPC837X)
+ i2c1_clk = sdhc_clk;
#endif
#if !defined(CONFIG_MPC832X)
- i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */
+ i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */
#endif
- switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
+#if defined(CONFIG_MPC837X)
+ switch ((sccr & SCCR_PCIEXP1CM) >> SCCR_PCIEXP1CM_SHIFT) {
case 0:
- enc_clk = 0;
+ pciexp1_clk = 0;
break;
case 1:
- enc_clk = csb_clk;
+ pciexp1_clk = csb_clk;
break;
case 2:
- enc_clk = csb_clk / 2;
+ pciexp1_clk = csb_clk / 2;
break;
case 3:
- enc_clk = csb_clk / 3;
+ pciexp1_clk = csb_clk / 3;
break;
default:
- /* unkown SCCR_ENCCM value */
- return -6;
+ /* unkown SCCR_PCIEXP1CM value */
+ return -9;
+ }
+
+ switch ((sccr & SCCR_PCIEXP2CM) >> SCCR_PCIEXP2CM_SHIFT) {
+ case 0:
+ pciexp2_clk = 0;
+ break;
+ case 1:
+ pciexp2_clk = csb_clk;
+ break;
+ case 2:
+ pciexp2_clk = csb_clk / 2;
+ break;
+ case 3:
+ pciexp2_clk = csb_clk / 3;
+ break;
+ default:
+ /* unkown SCCR_PCIEXP2CM value */
+ return -10;
}
+#endif
+
+#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
+ switch ((sccr & SCCR_SATA1CM) >> SCCR_SATA1CM_SHIFT) {
+ case 0:
+ sata_clk = 0;
+ break;
+ case 1:
+ sata_clk = csb_clk;
+ break;
+ case 2:
+ sata_clk = csb_clk / 2;
+ break;
+ case 3:
+ sata_clk = csb_clk / 3;
+ break;
+ default:
+ /* unkown SCCR_SATA1CM value */
+ return -11;
+ }
+#endif
lbiu_clk = csb_clk *
(1 + ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT));
@@ -280,7 +397,7 @@ int get_clocks(void)
break;
default:
/* unknown lcrr */
- return -10;
+ return -12;
}
ddr_clk = csb_clk *
@@ -316,7 +433,7 @@ int get_clocks(void)
break;
default:
/* unkown core to csb ratio */
- return -12;
+ return -13;
}
#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X)
@@ -327,7 +444,7 @@ int get_clocks(void)
#endif
gd->csb_clk = csb_clk;
-#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X)
+#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) || defined(CONFIG_MPC837X)
gd->tsec1_clk = tsec1_clk;
gd->tsec2_clk = tsec2_clk;
gd->usbdr_clk = usbdr_clk;
@@ -335,6 +452,12 @@ int get_clocks(void)
#if defined(CONFIG_MPC834X)
gd->usbmph_clk = usbmph_clk;
#endif
+#if defined(CONFIG_MPC8315)
+ gd->tdm_clk = tdm_clk;
+#endif
+#if defined(CONFIG_MPC837X)
+ gd->sdhc_clk = sdhc_clk;
+#endif
gd->core_clk = core_clk;
gd->i2c1_clk = i2c1_clk;
#if !defined(CONFIG_MPC832X)
@@ -351,6 +474,13 @@ int get_clocks(void)
gd->qe_clk = qe_clk;
gd->brg_clk = brg_clk;
#endif
+#if defined(CONFIG_MPC837X)
+ gd->pciexp1_clk = pciexp1_clk;
+ gd->pciexp2_clk = pciexp2_clk;
+#endif
+#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
+ gd->sata_clk = sata_clk;
+#endif
gd->pci_clk = pci_sync_in;
gd->cpu_clk = gd->core_clk;
gd->bus_clk = gd->csb_clk;
@@ -387,7 +517,13 @@ int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
#if !defined(CONFIG_MPC832X)
printf(" I2C2: %4d MHz\n", gd->i2c2_clk / 1000000);
#endif
-#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X)
+#if defined(CONFIG_MPC8315)
+ printf(" TDM: %4d MHz\n", gd->tdm_clk / 1000000);
+#endif
+#if defined(CONFIG_MPC837X)
+ printf(" SDHC: %4d MHz\n", gd->sdhc_clk / 1000000);
+#endif
+#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) || defined(CONFIG_MPC837X)
printf(" TSEC1: %4d MHz\n", gd->tsec1_clk / 1000000);
printf(" TSEC2: %4d MHz\n", gd->tsec2_clk / 1000000);
printf(" USB DR: %4d MHz\n", gd->usbdr_clk / 1000000);
@@ -395,6 +531,13 @@ int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
#if defined(CONFIG_MPC834X)
printf(" USB MPH: %4d MHz\n", gd->usbmph_clk / 1000000);
#endif
+#if defined(CONFIG_MPC837X)
+ printf(" PCIEXP1: %4d MHz\n", gd->pciexp1_clk / 1000000);
+ printf(" PCIEXP2: %4d MHz\n", gd->pciexp2_clk / 1000000);
+#endif
+#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
+ printf(" SATA: %4d MHz\n", gd->sata_clk / 1000000);
+#endif
return 0;
}