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-rw-r--r--cpu/mpc83xx/speed.c209
1 files changed, 110 insertions, 99 deletions
diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c
index 412713f..31fcadd 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 2004 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2006 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@@ -104,79 +104,52 @@ int get_clocks (void)
u32 lcrr;
u32 csb_clk;
+#if defined(CONFIG_MPC8349)
u32 tsec1_clk;
u32 tsec2_clk;
- u32 core_clk;
u32 usbmph_clk;
u32 usbdr_clk;
- u32 i2c_clk;
+#endif
+ u32 core_clk;
+ u32 i2c1_clk;
+ u32 i2c2_clk;
u32 enc_clk;
u32 lbiu_clk;
u32 lclk_clk;
u32 ddr_clk;
+#if defined (CONFIG_MPC8360)
+ u32 qepmf;
+ u32 qepdf;
+ u32 ddr_sec_clk;
+ u32 qe_clk;
+ u32 brg_clk;
+#endif
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
return -1;
-#ifndef CFG_HRCW_HIGH
-# error "CFG_HRCW_HIGH must be defined in board config file"
-#endif /* CFG_HCWD_HIGH */
-
-#if (CFG_HRCW_HIGH & HRCWH_PCI_HOST)
-
-# ifndef CONFIG_83XX_CLKIN
-# error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in board config file"
-# endif /* CONFIG_83XX_CLKIN */
-# ifdef CONFIG_83XX_PCICLK
-# warning "In PCI Host Mode, CONFIG_83XX_PCICLK in board config file is igonred"
-# endif /* CONFIG_83XX_PCICLK */
-
- /* PCI Host Mode */
- if (!(im->reset.rcwh & RCWH_PCIHOST)) {
- /* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH
- * the im->reset.rcwhr PCI Host Mode is disabled
- * FIXME: findout if there is a way to issue some warning */
- return -2;
- }
- if (im->clk.spmr & SPMR_CKID) {
- /* PCI Clock is half CONFIG_83XX_CLKIN */
- pci_sync_in = CONFIG_83XX_CLKIN / 2;
- }
- else {
- pci_sync_in = CONFIG_83XX_CLKIN;
- }
-
-#else /* (CFG_HRCW_HIGH & HRCWH_PCI_HOST) */
-
-# ifdef CONFIG_83XX_CLKIN
-# warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in board config file is igonred"
-# endif /* CONFIG_83XX_CLKIN */
-# ifndef CONFIG_83XX_PCICLK
-# error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in board config file"
-# endif /* CONFIG_83XX_PCICLK */
+ clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
- /* PCI Agent Mode */
- if (im->reset.rcwh & RCWH_PCIHOST) {
- /* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH
- * the im->reset.rcwhr PCI Host Mode is enabled */
- return -3;
+ if (im->reset.rcwh & HRCWH_PCI_HOST) {
+#if defined(CONFIG_83XX_CLKIN)
+ pci_sync_in = CONFIG_83XX_CLKIN / (1 + clkin_div);
+#else
+ pci_sync_in = 0xDEADBEEF;
+#endif
+ } else {
+#if defined(CONFIG_83XX_PCICLK)
+ pci_sync_in = CONFIG_83XX_PCICLK;
+#else
+ pci_sync_in = 0xDEADBEEF;
+#endif
}
- pci_sync_in = CONFIG_83XX_PCICLK;
-
-#endif /* (CFG_HRCW_HIGH | RCWH_PCIHOST) */
- /* we have up to date pci_sync_in */
spmf = ((im->reset.rcwl & RCWL_SPMF) >> RCWL_SPMF_SHIFT);
- clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
-
- if ((im->reset.rcwl & RCWL_LBIUCM) || (im->reset.rcwl & RCWL_DDRCM)) {
- csb_clk = (pci_sync_in * spmf * (1 + clkin_div)) / 2;
- }
- else {
- csb_clk = pci_sync_in * spmf * (1 + clkin_div);
- }
+ csb_clk = pci_sync_in * (1 + clkin_div) * spmf;
sccr = im->clk.sccr;
+
+#if defined(CONFIG_MPC8349)
switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) {
case 0:
tsec1_clk = 0;
@@ -212,25 +185,8 @@ int get_clocks (void)
/* unkown SCCR_TSEC2CM value */
return -5;
}
- i2c_clk = tsec2_clk;
- 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 -6;
- }
+ i2c1_clk = tsec2_clk;
switch ((sccr & SCCR_USBMPHCM) >> SCCR_USBMPHCM_SHIFT) {
case 0:
@@ -274,8 +230,34 @@ int get_clocks (void)
/* if USB MPH clock is not disabled and USB DR clock is not disabled than USB MPH & USB DR must have the same rate */
return -9;
}
+#endif
+#if defined (CONFIG_MPC8360)
+ i2c1_clk = csb_clk;
+#endif
+ i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */
+ 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 -6;
+ }
+#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360)
lbiu_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
+#else
+#error Unknown MPC83xx chip
+#endif
lcrr = (im->lbus.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT;
switch (lcrr) {
case 2:
@@ -287,10 +269,16 @@ int get_clocks (void)
/* unknown lcrr */
return -10;
}
-
+#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360)
ddr_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT));
-
corepll = (im->reset.rcwl & RCWL_COREPLL) >> RCWL_COREPLL_SHIFT;
+#if defined (CONFIG_MPC8360)
+ ddr_sec_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
+#endif
+#else
+#error Unknown MPC83xx chip
+#endif
+
corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5);
if (corecnf_tab_index > (sizeof(corecnf_tab)/sizeof(corecnf_t)) ) {
/* corecnf_tab_index is too high, possibly worng value */
@@ -319,22 +307,36 @@ int get_clocks (void)
return -12;
}
- gd->csb_clk = csb_clk ;
- gd->tsec1_clk = tsec1_clk ;
- gd->tsec2_clk = tsec2_clk ;
- gd->core_clk = core_clk ;
- gd->usbmph_clk = usbmph_clk;
- gd->usbdr_clk = usbdr_clk ;
- gd->i2c_clk = i2c_clk ;
- gd->enc_clk = enc_clk ;
- gd->lbiu_clk = lbiu_clk ;
- gd->lclk_clk = lclk_clk ;
- gd->ddr_clk = ddr_clk ;
- gd->pci_clk = pci_sync_in;
-
- gd->cpu_clk = gd->core_clk;
- gd->bus_clk = gd->lbiu_clk;
+#if defined (CONFIG_MPC8360)
+ qepmf = (im->reset.rcwl & RCWL_CEPMF) >> RCWL_CEPMF_SHIFT;
+ qepdf = (im->reset.rcwl & RCWL_CEPDF) >> RCWL_CEPDF_SHIFT;
+ qe_clk = (pci_sync_in * qepmf)/(1+qepdf);
+ brg_clk = qe_clk / 2;
+#endif
+
+ gd->csb_clk = csb_clk;
+#if defined(CONFIG_MPC8349)
+ gd->tsec1_clk = tsec1_clk;
+ gd->tsec2_clk = tsec2_clk;
+ gd->usbmph_clk = usbmph_clk;
+ gd->usbdr_clk = usbdr_clk;
+#endif
+ gd->core_clk = core_clk;
+ gd->i2c1_clk = i2c1_clk;
+ gd->i2c2_clk = i2c2_clk;
+ gd->enc_clk = enc_clk;
+ gd->lbiu_clk = lbiu_clk;
+ gd->lclk_clk = lclk_clk;
+ gd->ddr_clk = ddr_clk;
+#if defined (CONFIG_MPC8360)
+ gd->ddr_sec_clk = ddr_sec_clk;
+ gd->qe_clk = qe_clk;
+ gd->brg_clk = brg_clk;
+#endif
+ gd->cpu_clk = gd->core_clk;
+ gd->bus_clk = gd->csb_clk;
return 0;
+
}
ulong get_ddr_clk(ulong dummy)
@@ -357,14 +359,23 @@ int print_clock_conf (void)
printf("Clock configuration:\n");
printf(" Coherent System Bus: %4d MHz\n",gd->csb_clk/1000000);
printf(" Core: %4d MHz\n",gd->core_clk/1000000);
- debug(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000);
+#if defined (CONFIG_MPC8360)
+ printf(" QE: %4d MHz\n",gd->qe_clk/1000000);
+#endif
+ printf(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000);
printf(" Local Bus: %4d MHz\n",gd->lclk_clk/1000000);
- debug(" DDR: %4d MHz\n",gd->ddr_clk/1000000);
- debug(" I2C: %4d MHz\n",gd->i2c_clk/1000000);
- debug(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000);
- debug(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000);
- debug(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000);
- debug(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000);
-
+ printf(" DDR: %4d MHz\n",gd->ddr_clk/1000000);
+#if defined (CONFIG_MPC8360)
+ printf(" DDR Secondary: %4d MHz\n",gd->ddr_sec_clk/1000000);
+#endif
+ printf(" SEC: %4d MHz\n",gd->enc_clk/1000000);
+ printf(" I2C1: %4d MHz\n",gd->i2c1_clk/1000000);
+ printf(" I2C2: %4d MHz\n",gd->i2c2_clk/1000000);
+#if defined(CONFIG_MPC8349)
+ 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
return 0;
}
generated by cgit v1.1 at 2024-11-01 15:51:55 +0000