[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>

3 files changed, 21 insertions, 0 deletions

diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index dec5bf4f6879..220a65ab0a51 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_PPCBUG_NVRAM)	+= prep_nvram.o
 obj-$(CONFIG_PPC_OCP)           += ocp.o
 obj-$(CONFIG_IBM_OCP)           += ibm_ocp.o
 obj-$(CONFIG_44x)               += ibm44x_common.o
+obj-$(CONFIG_440EP)             += ibm440gx_common.o
 obj-$(CONFIG_440GP)             += ibm440gp_common.o
 obj-$(CONFIG_440GX)             += ibm440gx_common.o
 obj-$(CONFIG_440SP)             += ibm440gx_common.o ibm440sp_common.o
@@ -44,6 +45,7 @@ obj-$(CONFIG_PPC_CHRP)		+= open_pic.o indirect_pci.o i8259.o
 obj-$(CONFIG_PPC_PREP)          += open_pic.o indirect_pci.o i8259.o todc_time.o
 obj-$(CONFIG_ADIR)              += i8259.o indirect_pci.o pci_auto.o \
                                         todc_time.o
+obj-$(CONFIG_BAMBOO)            += indirect_pci.o pci_auto.o todc_time.o
 obj-$(CONFIG_CPCI690)           += todc_time.o pci_auto.o
 obj-$(CONFIG_EBONY)             += indirect_pci.o pci_auto.o todc_time.o
 obj-$(CONFIG_EV64260)           += todc_time.o pci_auto.o
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 */
diff --git a/arch/ppc/syslib/ibm44x_common.h b/arch/ppc/syslib/ibm44x_common.h
index b14eb603ce01..c16b6a5ac6ab 100644
--- a/arch/ppc/syslib/ibm44x_common.h
+++ b/arch/ppc/syslib/ibm44x_common.h
@@ -29,6 +29,10 @@ struct ibm44x_clocks {
         unsigned int ebc;       /* PerClk */
         unsigned int uart0;
         unsigned int uart1;
+#ifdef CONFIG_440EP
+        unsigned int uart2;
+        unsigned int uart3;
+#endif
 };
 
 /* common 44x platform init */