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authorDetlev Zundel <dzu@denx.de>2008-06-30 15:35:34 +0200
committerDetlev Zundel <dzu@denx.de>2008-06-30 15:38:24 +0200
commita524e112b424c6843800ea2f19d3a8cf01d0aa94 (patch)
tree9bb267b7324e95dd56945f9f16f822a434d34024 /cpu/ppc4xx/cpu_init.c
parent40777812316fc252c941665c0f60c148fd79d50f (diff)
parent745d8a0d3cea82e6d1753e14afb4588c34761b15 (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot-ppc4xx
Diffstat (limited to 'cpu/ppc4xx/cpu_init.c')
-rw-r--r--cpu/ppc4xx/cpu_init.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c
index 1e9423a..ac64279 100644
--- a/cpu/ppc4xx/cpu_init.c
+++ b/cpu/ppc4xx/cpu_init.c
@@ -138,8 +138,8 @@ void reconfigure_pll(u32 new_cpu_freq)
void
cpu_init_f (void)
{
-#if defined(CONFIG_WATCHDOG)
- unsigned long val;
+#if defined(CONFIG_WATCHDOG) || defined(CONFIG_460EX)
+ u32 val;
#endif
reconfigure_pll(CFG_PLL_RECONFIG);
@@ -272,6 +272,22 @@ cpu_init_f (void)
reset_4xx_watchdog();
#endif /* CONFIG_WATCHDOG */
+
+#if defined(CONFIG_460EX)
+ /*
+ * Set SDR0_AHB_CFG[A2P_INCR4] (bit 24) and
+ * clear SDR0_AHB_CFG[A2P_PROT2] (bit 25) for a new 460EX errata
+ * regarding concurrent use of AHB USB OTG, USB 2.0 host and SATA
+ */
+ mfsdr(SDR0_AHB_CFG, val);
+ val |= 0x80;
+ val &= ~0x40;
+ mtsdr(SDR0_AHB_CFG, val);
+ mfsdr(SDR0_USB2HOST_CFG, val);
+ val &= ~0xf00;
+ val |= 0x400;
+ mtsdr(SDR0_USB2HOST_CFG, val);
+#endif /* CONFIG_460EX */
}
/*