1 files changed, 120 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index cae6b73..28070e7 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -32,6 +32,13 @@
 #include <sysdev/fsl_soc.h>
 #include "mpc85xx.h"
 
+#ifdef CONFIG_CPM2
+#include <linux/fs_enet_pd.h>
+#include <asm/cpm2.h>
+#include <sysdev/cpm2_pic.h>
+#include <asm/fs_pd.h>
+#endif
+
 #ifndef CONFIG_PCI
 unsigned long isa_io_base = 0;
 unsigned long isa_mem_base = 0;
@@ -57,12 +64,29 @@ mpc85xx_pcibios_fixup(void)
 }
 #endif /* CONFIG_PCI */
 
+#ifdef CONFIG_CPM2
+
+static void cpm2_cascade(unsigned int irq, struct irq_desc *desc,
+			 struct pt_regs *regs)
+{
+	int cascade_irq;
+
+	while ((cascade_irq = cpm2_get_irq(regs)) >= 0) {
+		generic_handle_irq(cascade_irq, regs);
+	}
+	desc->chip->eoi(irq);
+}
+
+#endif /* CONFIG_CPM2 */
 
 void __init mpc85xx_ads_pic_init(void)
 {
 	struct mpic *mpic;
 	struct resource r;
 	struct device_node *np = NULL;
+#ifdef CONFIG_CPM2
+	int irq;
+#endif
 
 	np = of_find_node_by_type(np, "open-pic");
 
@@ -104,11 +128,103 @@ void __init mpc85xx_ads_pic_init(void)
 	mpic_assign_isu(mpic, 14, r.start + 0x10100);
 
 	mpic_init(mpic);
+
+#ifdef CONFIG_CPM2
+	/* Setup CPM2 PIC */
+	np = of_find_node_by_type(NULL, "cpm-pic");
+	if (np == NULL) {
+		printk(KERN_ERR "PIC init: can not find cpm-pic node\n");
+                return;
+	}
+	irq = irq_of_parse_and_map(np, 0);
+
+	cpm2_pic_init(np);
+	set_irq_chained_handler(irq, cpm2_cascade);
+#endif
 }
 
 /*
  * Setup the architecture
  */
+#ifdef CONFIG_CPM2
+void init_fcc_ioports(struct fs_platform_info *fpi)
+{
+	struct io_port *io = cpm2_map(im_ioport);
+	int fcc_no = fs_get_fcc_index(fpi->fs_no);
+	int target;
+	u32 tempval;
+
+	switch(fcc_no) {
+	case 1:
+		tempval = in_be32(&io->iop_pdirb);
+		tempval &= ~PB2_DIRB0;
+		tempval |= PB2_DIRB1;
+		out_be32(&io->iop_pdirb, tempval);
+
+		tempval = in_be32(&io->iop_psorb);
+		tempval &= ~PB2_PSORB0;
+		tempval |= PB2_PSORB1;
+		out_be32(&io->iop_psorb, tempval);
+
+		tempval = in_be32(&io->iop_pparb);
+		tempval |= (PB2_DIRB0 | PB2_DIRB1);
+		out_be32(&io->iop_pparb, tempval);
+
+		target = CPM_CLK_FCC2;
+		break;
+	case 2:
+		tempval = in_be32(&io->iop_pdirb);
+		tempval &= ~PB3_DIRB0;
+		tempval |= PB3_DIRB1;
+		out_be32(&io->iop_pdirb, tempval);
+
+		tempval = in_be32(&io->iop_psorb);
+		tempval &= ~PB3_PSORB0;
+		tempval |= PB3_PSORB1;
+		out_be32(&io->iop_psorb, tempval);
+
+		tempval = in_be32(&io->iop_pparb);
+		tempval |= (PB3_DIRB0 | PB3_DIRB1);
+		out_be32(&io->iop_pparb, tempval);
+
+		tempval = in_be32(&io->iop_pdirc);
+		tempval |= PC3_DIRC1;
+		out_be32(&io->iop_pdirc, tempval);
+
+		tempval = in_be32(&io->iop_pparc);
+		tempval |= PC3_DIRC1;
+		out_be32(&io->iop_pparc, tempval);
+
+		target = CPM_CLK_FCC3;
+		break;
+	default:
+		printk(KERN_ERR "init_fcc_ioports: invalid FCC number\n");
+		return;
+	}
+
+	/* Port C has clocks......  */
+	tempval = in_be32(&io->iop_psorc);
+	tempval &= ~(PC_CLK(fpi->clk_rx - 8) | PC_CLK(fpi->clk_tx - 8));
+	out_be32(&io->iop_psorc, tempval);
+
+	tempval = in_be32(&io->iop_pdirc);
+	tempval &= ~(PC_CLK(fpi->clk_rx - 8) | PC_CLK(fpi->clk_tx - 8));
+	out_be32(&io->iop_pdirc, tempval);
+	tempval = in_be32(&io->iop_pparc);
+	tempval |= (PC_CLK(fpi->clk_rx - 8) | PC_CLK(fpi->clk_tx - 8));
+	out_be32(&io->iop_pparc, tempval);
+
+	cpm2_unmap(io);
+
+	/* Configure Serial Interface clock routing.
+	 * First,  clear FCC bits to zero,
+	 * then set the ones we want.
+	 */
+	cpm2_clk_setup(target, fpi->clk_rx, CPM_CLK_RX);
+	cpm2_clk_setup(target, fpi->clk_tx, CPM_CLK_TX);
+}
+#endif
+
 static void __init mpc85xx_ads_setup_arch(void)
 {
 	struct device_node *cpu;
@@ -131,6 +247,10 @@ static void __init mpc85xx_ads_setup_arch(void)
 		of_node_put(cpu);
 	}
 
+#ifdef CONFIG_CPM2
+	cpm2_reset();
+#endif
+
 #ifdef CONFIG_PCI
 	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
 		add_bridge(np);