* Patch by Jon Loeliger, 24 Aug 2004:
- Fix PCI window on MPC85xx; remove unneeded PCI initialization
from board_early_init_f()
- Provide SW workaround for PCI initialization on 85xx CDS
- Convert MPC85xxADS to use common CFI flash driver
* Cleanup: avoid compiler warnings
* Add CMC PU2 board to MAKEALL script
diff --git a/cpu/at91rm9200/cpu.c b/cpu/at91rm9200/cpu.c
index a7e2ca9..a464f29 100644
--- a/cpu/at91rm9200/cpu.c
+++ b/cpu/at91rm9200/cpu.c
@@ -121,7 +121,7 @@
reset_cpu(0);
#else
#ifdef CONFIG_DBGU
- AT91PS_USART us = AT91C_BASE_DBGU;
+ AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU;
#endif
#ifdef CONFIG_USART0
AT91PS_USART us = AT91C_BASE_US0;
diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c
index 60c1e61..b61aab5 100644
--- a/cpu/mpc85xx/pci.c
+++ b/cpu/mpc85xx/pci.c
@@ -77,7 +77,7 @@
pcix->powbear1 = 0x00000000;
pcix->powar1 = 0x8004401c; /* 512M MEM space */
- pcix->potar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
+ pcix->potar2 = 0x00000000;
pcix->potear2 = 0x00000000;
pcix->powbar2 = (CFG_PCI1_IO_BASE >> 12) & 0x000fffff;
pcix->powbear2 = 0x00000000;
@@ -85,12 +85,38 @@
pcix->pitar1 = 0x00000000;
pcix->piwbar1 = 0x00000000;
- pcix->piwar1 = 0xa0F5501f;
+ pcix->piwar1 = 0xa0f5501e; /* Enable, Prefetch, Local Mem,
+ * Snoop R/W, 2G */
/*
* Hose scan.
*/
pci_register_hose(hose);
+
+#if defined(CONFIG_MPC8555CDS) || defined(CONFIG_MPC8541CDS)
+ /*
+ * This is a SW workaround for an apparent HW problem
+ * in the PCI controller on the MPC85555/41 CDS boards.
+ * The first config cycle must be to a valid, known
+ * device on the PCI bus in order to trick the PCI
+ * controller state machine into a known valid state.
+ * Without this, the first config cycle has the chance
+ * of hanging the controller permanently, just leaving
+ * it in a semi-working state, or leaving it working.
+ *
+ * Pick on the Tundra, Device 17, to get it right.
+ */
+ {
+ u8 header_type;
+
+ pci_hose_read_config_byte(hose,
+ PCI_BDF(0,17,0),
+ PCI_HEADER_TYPE,
+ &header_type);
+ }
+
+#endif
+
hose->last_busno = pci_hose_scan(hose);
}