[PATCH] ppc32: add 440ep support

Add PPC440EP core support.  PPC440EP is a PPC440-based SoC with a classic PPC
FPU and another set of peripherals.

Signed-off-by: Wade Farnsworth <wfarnsworth@mvista.com>
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/ppc/syslib/ibm440gx_common.c b/arch/ppc/syslib/ibm440gx_common.c
index 4ad85e0e0234..d4776af6a3ca 100644
--- a/arch/ppc/syslib/ibm440gx_common.c
+++ b/arch/ppc/syslib/ibm440gx_common.c
@@ -34,6 +34,10 @@ void __init ibm440gx_get_clocks(struct ibm44x_clocks* p, unsigned int sys_clk,
         u32 plld  = CPR_READ(DCRN_CPR_PLLD);
         u32 uart0 = SDR_READ(DCRN_SDR_UART0);
         u32 uart1 = SDR_READ(DCRN_SDR_UART1);
+#ifdef CONFIG_440EP
+        u32 uart2 = SDR_READ(DCRN_SDR_UART2);
+        u32 uart3 = SDR_READ(DCRN_SDR_UART3);
+#endif
 
         /* Dividers */
         u32 fbdv   = __fix_zero((plld >> 24) & 0x1f, 32);
@@ -96,6 +100,17 @@ bypass:
                 p->uart1 = ser_clk;
         else
                 p->uart1 = p->plb / __fix_zero(uart1 & 0xff, 256);
+#ifdef CONFIG_440EP
+        if (uart2 & 0x00800000)
+                p->uart2 = ser_clk;
+        else
+                p->uart2 = p->plb / __fix_zero(uart2 & 0xff, 256);
+
+        if (uart3 & 0x00800000)
+                p->uart3 = ser_clk;
+        else
+                p->uart3 = p->plb / __fix_zero(uart3 & 0xff, 256);
+#endif
 }
 
 /* Issue L2C diagnostic command */