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-rw-r--r--arch/powerpc/platforms/85xx/Kconfig21
-rw-r--r--arch/powerpc/platforms/85xx/Makefile1
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ads.c109
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ads.h61
4 files changed, 192 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index c3268d9877e..0584f3c7e88 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -11,6 +11,12 @@ config MPC8540_ADS
help
This option enables support for the MPC 8540 ADS board
+config MPC8560_ADS
+ bool "Freescale MPC8560 ADS"
+ select DEFAULT_UIMAGE
+ help
+ This option enables support for the MPC 8560 ADS board
+
config MPC85xx_CDS
bool "Freescale MPC85xx CDS"
select DEFAULT_UIMAGE
@@ -25,6 +31,11 @@ config MPC8540
select PPC_INDIRECT_PCI
default y if MPC8540_ADS || MPC85xx_CDS
+config MPC8560
+ bool
+ select PPC_INDIRECT_PCI
+ default y if MPC8560_ADS
+
config PPC_INDIRECT_PCI_BE
bool
depends on PPC_85xx
@@ -34,4 +45,14 @@ config MPIC
bool
default y
+config CPM2
+ bool
+ depends on MPC8560
+ default y
+ help
+ The CPM2 (Communications Processor Module) is a coprocessor on
+ embedded CPUs made by Motorola. Selecting this option means that
+ you wish to build a kernel for a machine with a CPM2 coprocessor
+ on it.
+
endmenu
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 7615aa59c78..282f5d0d015 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -3,4 +3,5 @@
#
obj-$(CONFIG_PPC_85xx) += misc.o pci.o
obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
+obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index cae6b73357d..7ebfe74bde4 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -32,6 +32,12 @@
#include <sysdev/fsl_soc.h>
#include "mpc85xx.h"
+#ifdef CONFIG_CPM2
+#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 +63,29 @@ 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 +127,92 @@ 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
+static void init_fcc_ioports(void)
+{
+ struct immap *immap;
+ struct io_port *io;
+ u32 tempval;
+
+ immap = cpm2_immr;
+
+ io = &immap->im_ioport;
+ /* FCC2/3 are on the ports B/C. */
+ 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);
+
+ 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);
+
+ /* Port C has clocks...... */
+ tempval = in_be32(&io->iop_psorc);
+ tempval &= ~(CLK_TRX);
+ out_be32(&io->iop_psorc, tempval);
+
+ tempval = in_be32(&io->iop_pdirc);
+ tempval &= ~(CLK_TRX);
+ out_be32(&io->iop_pdirc, tempval);
+ tempval = in_be32(&io->iop_pparc);
+ tempval |= (CLK_TRX);
+ out_be32(&io->iop_pparc, tempval);
+
+ /* Configure Serial Interface clock routing.
+ * First, clear all FCC bits to zero,
+ * then set the ones we want.
+ */
+ immap->im_cpmux.cmx_fcr &= ~(CPMUX_CLK_MASK);
+ immap->im_cpmux.cmx_fcr |= CPMUX_CLK_ROUTE;
+}
+#endif
+
static void __init mpc85xx_ads_setup_arch(void)
{
struct device_node *cpu;
@@ -131,6 +235,11 @@ static void __init mpc85xx_ads_setup_arch(void)
of_node_put(cpu);
}
+#ifdef CONFIG_CPM2
+ cpm2_reset();
+ init_fcc_ioports();
+#endif
+
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
add_bridge(np);
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.h b/arch/powerpc/platforms/85xx/mpc85xx_ads.h
new file mode 100644
index 00000000000..effcbf78f85
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.h
@@ -0,0 +1,61 @@
+/*
+ * MPC85xx ADS board definitions
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * Copyright 2004 Freescale Semiconductor Inc.
+ *
+ * 2006 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MACH_MPC85XXADS_H
+#define __MACH_MPC85XXADS_H
+
+#include <linux/config.h>
+#include <linux/initrd.h>
+#include <sysdev/fsl_soc.h>
+
+#define BCSR_ADDR ((uint)0xf8000000)
+#define BCSR_SIZE ((uint)(32 * 1024))
+
+#ifdef CONFIG_CPM2
+
+#define MPC85xx_CPM_OFFSET (0x80000)
+
+#define CPM_MAP_ADDR (get_immrbase() + MPC85xx_CPM_OFFSET)
+#define CPM_IRQ_OFFSET 60
+
+#define SIU_INT_SMC1 ((uint)0x04+CPM_IRQ_OFFSET)
+#define SIU_INT_SMC2 ((uint)0x05+CPM_IRQ_OFFSET)
+#define SIU_INT_SCC1 ((uint)0x28+CPM_IRQ_OFFSET)
+#define SIU_INT_SCC2 ((uint)0x29+CPM_IRQ_OFFSET)
+#define SIU_INT_SCC3 ((uint)0x2a+CPM_IRQ_OFFSET)
+#define SIU_INT_SCC4 ((uint)0x2b+CPM_IRQ_OFFSET)
+
+/* FCC1 Clock Source Configuration. These can be
+ * redefined in the board specific file.
+ * Can only choose from CLK9-12 */
+#define F1_RXCLK 12
+#define F1_TXCLK 11
+
+/* FCC2 Clock Source Configuration. These can be
+ * redefined in the board specific file.
+ * Can only choose from CLK13-16 */
+#define F2_RXCLK 13
+#define F2_TXCLK 14
+
+/* FCC3 Clock Source Configuration. These can be
+ * redefined in the board specific file.
+ * Can only choose from CLK13-16 */
+#define F3_RXCLK 15
+#define F3_TXCLK 16
+
+#endif /* CONFIG_CPM2 */
+#endif /* __MACH_MPC85XXADS_H */
generated by cgit (git 2.34.1) at 2024-12-28 00:56:29 +0000