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authorwdenk <wdenk>2004-09-28 17:59:53 +0000
committerwdenk <wdenk>2004-09-28 17:59:53 +0000
commit66ca92a5ba882807ba8ed8f772c0fc22b25976cc (patch)
tree45f62d161cf60f9b5be79427073c979d99a41be2 /cpu/mpc8xx
parent4ec3a7f0fdbad19ad4fa0172b97451b98e82316a (diff)
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* Patch by Yuli Barcohen, 13 Jul 2004:
Allow clock setting on MPC866/MPC885 series chips according to environment variable `cpuclk' * Patch by Yuli Barcohen, 20 Apr 2004: Remove unnecessary redefine of CPM_DATAONLY_SIZE for MPC826x
Diffstat (limited to 'cpu/mpc8xx')
-rw-r--r--cpu/mpc8xx/cpu.c12
-rw-r--r--cpu/mpc8xx/speed.c32
2 files changed, 22 insertions, 22 deletions
diff --git a/cpu/mpc8xx/cpu.c b/cpu/mpc8xx/cpu.c
index d23d7ee..89a176e 100644
--- a/cpu/mpc8xx/cpu.c
+++ b/cpu/mpc8xx/cpu.c
@@ -124,13 +124,13 @@ static int check_CPU (long clock, uint pvr, uint immr)
printf ("unknown M%s (0x%08x)", id_str, k);
-#if defined(CFG_866_CPUCLK_MIN) && defined(CFG_866_CPUCLK_MAX)
+#if defined(CFG_8xx_CPUCLK_MIN) && defined(CFG_8xx_CPUCLK_MAX)
printf (" at %s MHz [%d.%d...%d.%d MHz]\n ",
strmhz (buf, clock),
- CFG_866_CPUCLK_MIN / 1000000,
- ((CFG_866_CPUCLK_MIN % 1000000) + 50000) / 100000,
- CFG_866_CPUCLK_MAX / 1000000,
- ((CFG_866_CPUCLK_MAX % 1000000) + 50000) / 100000
+ CFG_8xx_CPUCLK_MIN / 1000000,
+ ((CFG_8xx_CPUCLK_MIN % 1000000) + 50000) / 100000,
+ CFG_8xx_CPUCLK_MAX / 1000000,
+ ((CFG_8xx_CPUCLK_MAX % 1000000) + 50000) / 100000
);
#else
printf (" at %s MHz: ", strmhz (buf, clock));
@@ -140,7 +140,7 @@ static int check_CPU (long clock, uint pvr, uint immr)
checkdcache () >> 10
);
- /* do we have a FEC (860T/P or 852/859/866)? */
+ /* do we have a FEC (860T/P or 852/859/866/885)? */
immap->im_cpm.cp_fec.fec_addr_low = 0x12345678;
if (immap->im_cpm.cp_fec.fec_addr_low == 0x12345678) {
diff --git a/cpu/mpc8xx/speed.c b/cpu/mpc8xx/speed.c
index ebd1fda..95003ed 100644
--- a/cpu/mpc8xx/speed.c
+++ b/cpu/mpc8xx/speed.c
@@ -25,7 +25,7 @@
#include <mpc8xx.h>
#include <asm/processor.h>
-#if !defined(CONFIG_TQM866M) || defined(CFG_MEASURE_CPUCLK)
+#if !defined(CONFIG_8xx_CPUCLK_DEFAULT) || defined(CFG_MEASURE_CPUCLK)
#define PITC_SHIFT 16
#define PITR_SHIFT 16
@@ -172,7 +172,7 @@ unsigned long measure_gclk(void)
#endif
-#if !defined(CONFIG_TQM866M) && !defined(CONFIG_NC650)
+#if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
/*
* get_clocks() fills in gd->cpu_clock depending on CONFIG_8xx_GCLK_FREQ
@@ -226,15 +226,15 @@ int get_clocks (void)
return (0);
}
-#else /* CONFIG_MPC866_FAMILY */
+#else /* CONFIG_8xx_CPUCLK_DEFAULT defined, use dynamic clock setting */
static long init_pll_866 (long clk);
/* This function sets up PLL (init_pll_866() is called) and
* fills gd->cpu_clk and gd->bus_clk according to the environment
- * variable 'cpuclk' or to CFG_866_CPUCLK_DEFAULT (if 'cpuclk'
+ * variable 'cpuclk' or to CONFIG_8xx_CPUCLK_DEFAULT (if 'cpuclk'
* contains invalid value).
- * This functions requires an MPC866 series CPU.
+ * This functions requires an MPC866 or newer series CPU.
*/
int get_clocks_866 (void)
{
@@ -248,8 +248,8 @@ int get_clocks_866 (void)
if (getenv_r ("cpuclk", tmp, sizeof (tmp)) > 0)
cpuclk = simple_strtoul (tmp, NULL, 10) * 1000000;
- if ((CFG_866_CPUCLK_MIN > cpuclk) || (CFG_866_CPUCLK_MAX < cpuclk))
- cpuclk = CFG_866_CPUCLK_DEFAULT;
+ if ((CFG_8xx_CPUCLK_MIN > cpuclk) || (CFG_8xx_CPUCLK_MAX < cpuclk))
+ cpuclk = CONFIG_8xx_CPUCLK_DEFAULT;
gd->cpu_clk = init_pll_866 (cpuclk);
#if defined(CFG_MEASURE_CPUCLK)
@@ -284,13 +284,13 @@ int sdram_adjust_866 (void)
mamr = immr->im_memctl.memc_mamr;
mamr &= ~MAMR_PTA_MSK;
- mamr |= ((gd->cpu_clk / CFG_866_PTA_PER_CLK) << MAMR_PTA_SHIFT);
+ mamr |= ((gd->cpu_clk / CFG_PTA_PER_CLK) << MAMR_PTA_SHIFT);
immr->im_memctl.memc_mamr = mamr;
return (0);
}
-/* Configure PLL for MPC866/859 CPU series
+/* Configure PLL for MPC866/859/885 CPU series
* PLL multiplication factor is set to the value nearest to the desired clk,
* assuming a oscclk of 10 MHz.
*/
@@ -312,19 +312,19 @@ static long init_pll_866 (long clk)
if (clk < 40000000) {
s = 2;
- step_mfi = CFG_866_OSCCLK / 4;
+ step_mfi = CONFIG_8xx_OSCLK / 4;
mfd = 7;
- step_mfn = CFG_866_OSCCLK / 30;
+ step_mfn = CONFIG_8xx_OSCLK / 30;
} else if (clk < 80000000) {
s = 1;
- step_mfi = CFG_866_OSCCLK / 2;
+ step_mfi = CONFIG_8xx_OSCLK / 2;
mfd = 14;
- step_mfn = CFG_866_OSCCLK / 30;
+ step_mfn = CONFIG_8xx_OSCLK / 30;
} else {
s = 0;
- step_mfi = CFG_866_OSCCLK;
+ step_mfi = CONFIG_8xx_OSCLK;
mfd = 29;
- step_mfn = CFG_866_OSCCLK / 30;
+ step_mfn = CONFIG_8xx_OSCLK / 30;
}
/* Calculate integer part of multiplication factor
@@ -362,7 +362,7 @@ static long init_pll_866 (long clk)
return (n);
}
-#endif /* CONFIG_MPC866_FAMILY */
+#endif /* CONFIG_8xx_CPUCLK_DEFAULT */
#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M)
/*