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authorStefan Roese <sr@denx.de>2007-08-14 14:44:41 +0200
committerStefan Roese <sr@denx.de>2007-08-14 14:44:41 +0200
commit779e975117a75e91fcebe226a63104dbfb924ab1 (patch)
tree42f48ba97342287f8e155cce29e8e0600064a16f /board/amcc
parentc5a172a5fd636c12467429e3f7910e53773979c6 (diff)
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ppc4xx: Add initial Zeus (PPC405EP) board support
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/amcc')
-rw-r--r--board/amcc/bubinga/bubinga.c13
-rw-r--r--board/amcc/taihu/taihu.c6
2 files changed, 18 insertions, 1 deletions
diff --git a/board/amcc/bubinga/bubinga.c b/board/amcc/bubinga/bubinga.c
index fe6ce8a..66e7509 100644
--- a/board/amcc/bubinga/bubinga.c
+++ b/board/amcc/bubinga/bubinga.c
@@ -20,10 +20,12 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
-long int spd_sdram(void);
#include <common.h>
#include <asm/processor.h>
+#include <asm/io.h>
+
+long int spd_sdram(void);
int board_early_init_f(void)
{
@@ -34,6 +36,15 @@ int board_early_init_f(void)
mtdcr(uictr, 0x00000010); /* set int trigger levels */
mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+ /*
+ * Configure CPC0_PCI to enable PerWE as output
+ * and enable the internal PCI arbiter if selected
+ */
+ if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
+ mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
+ else
+ mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN);
+
return 0;
}
diff --git a/board/amcc/taihu/taihu.c b/board/amcc/taihu/taihu.c
index ee9d3b5..ea83671 100644
--- a/board/amcc/taihu/taihu.c
+++ b/board/amcc/taihu/taihu.c
@@ -50,6 +50,12 @@ int board_early_init_f(void)
mtebc(pb3ap, CFG_EBC_PB3AP); /* memory bank 3 (CPLD_LCM) initialization */
mtebc(pb3cr, CFG_EBC_PB3CR);
+ /*
+ * Configure CPC0_PCI to enable PerWE as output
+ * and enable the internal PCI arbiter
+ */
+ mtdcr(cpc0_pci, CPC0_PCI_SPE | CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
+
return 0;
}