I've changed the patch so that it is less intrusive. It now simply
adds the new function to the "init_sequence" if defined.
Signed-off-by: John Ogness <[EMAIL PROTECTED]>
diff -Nur a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
--- a/cpu/mpc85xx/cpu.c 2008-07-11 11:15:15.000000000 +0200
+++ b/cpu/mpc85xx/cpu.c 2008-07-11 11:23:27.000000000 +0200
@@ -69,6 +69,35 @@
return NULL;
}
+#ifdef CONFIG_LBC_CLOCK_RATIO
+void set_lbc_clock_ratio (void)
+{
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ uint clkratio = CONFIG_LBC_CLOCK_RATIO;
+ uint lcrr;
+
+ switch (clkratio) {
+ case 4:
+ case 8:
+ case 16:
+ lcrr = lbc->lcrr;
+ lcrr &= ~0xf;
+ lcrr |= (clkratio >> 1);
+ lbc->lcrr = lcrr;
+ lcrr = lbc->lcrr;
+ __asm__ __volatile__ ("isync" : : : "memory");
+ break;
+
+ default:
+ /* invalid CCB:LBC clock ratio */
+ printf("Error: invalid CCB:LBC clock ratio "
+ "(CONFIG_LBC_CLOCK_RATIO=%d)\n",
+ clkratio);
+ break;
+ }
+}
+#endif
+
int checkcpu (void)
{
sys_info_t sysinfo;
diff -Nur a/lib_ppc/board.c b/lib_ppc/board.c
--- a/lib_ppc/board.c 2008-07-11 11:14:52.000000000 +0200
+++ b/lib_ppc/board.c 2008-07-11 11:23:27.000000000 +0200
@@ -83,6 +83,10 @@
extern void sc3_read_eeprom(void);
#endif
+#ifdef CONFIG_LBC_CLOCK_RATIO
+extern void set_lbc_clock_ratio (void);
+#endif
+
#if defined(CONFIG_CMD_DOC)
void doc_init (void);
#endif
@@ -329,6 +333,9 @@
#if defined(CONFIG_MPC83XX)
prt_83xx_rsr,
#endif
+#ifdef CONFIG_LBC_CLOCK_RATIO
+ set_lbc_clock_ratio,
+#endif
checkcpu,
#if defined(CONFIG_MPC5xxx)
prt_mpc5xxx_clks,
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