Philips PNX8550 support: MIPS32-like core with 2 Trimedias on it.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

4 files changed, 162 insertions, 0 deletions

diff --git a/arch/mips/philips/pnx8550/jbs/Makefile b/arch/mips/philips/pnx8550/jbs/Makefile
new file mode 100644
index 00000000000..e8228dbca8f
--- /dev/null
+++ b/arch/mips/philips/pnx8550/jbs/Makefile
@@ -0,0 +1,4 @@
+
+# Makefile for the Philips JBS Board.
+
+lib-y := init.o board_setup.o irqmap.o
diff --git a/arch/mips/philips/pnx8550/jbs/board_setup.c b/arch/mips/philips/pnx8550/jbs/board_setup.c
new file mode 100644
index 00000000000..f92826e0096
--- /dev/null
+++ b/arch/mips/philips/pnx8550/jbs/board_setup.c
@@ -0,0 +1,65 @@
+/*
+ *  JBS Specific board startup routines.
+ *
+ *  Copyright 2005, Embedded Alley Solutions, Inc
+ *
+ *  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.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+#include <linux/mc146818rtc.h>
+#include <linux/delay.h>
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/mipsregs.h>
+#include <asm/reboot.h>
+#include <asm/pgtable.h>
+
+#include <glb.h>
+
+/* CP0 hazard avoidance. */
+#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \
+                                     "nop; nop; nop; nop; nop; nop;\n\t" \
+                                     ".set reorder\n\t")
+
+void __init board_setup(void)
+{
+        unsigned long config0, configpr;
+
+        config0 = read_c0_config();
+
+        /* clear all three cache coherency fields */
+        config0 &= ~(0x7 | (7<<25) | (7<<28));
+        config0 |= (CONF_CM_DEFAULT | (CONF_CM_DEFAULT<<25) |
+                        (CONF_CM_DEFAULT<<28));
+        write_c0_config(config0);
+        BARRIER;
+
+        configpr = read_c0_config7();
+        configpr |= (1<<19); /* enable tlb */
+        write_c0_config7(configpr);
+        BARRIER;
+}
diff --git a/arch/mips/philips/pnx8550/jbs/init.c b/arch/mips/philips/pnx8550/jbs/init.c
new file mode 100644
index 00000000000..85f449174bc
--- /dev/null
+++ b/arch/mips/philips/pnx8550/jbs/init.c
@@ -0,0 +1,57 @@
+/*
+ *
+ *  Copyright 2005 Embedded Alley Solutions, Inc
+ *  source@embeddedalley.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.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+extern void  __init prom_init_cmdline(void);
+extern char *prom_getenv(char *envname);
+
+const char *get_system_type(void)
+{
+        return "Philips PNX8550/JBS";
+}
+
+void __init prom_init(void)
+{
+
+        unsigned long memsize;
+
+        mips_machgroup = MACH_GROUP_PHILIPS;
+        mips_machtype = MACH_PHILIPS_JBS;
+
+        //memsize = 0x02800000; /* Trimedia uses memory above */
+        memsize = 0x08000000; /* Trimedia uses memory above */
+        add_memory_region(0, memsize, BOOT_MEM_RAM);
+}
diff --git a/arch/mips/philips/pnx8550/jbs/irqmap.c b/arch/mips/philips/pnx8550/jbs/irqmap.c
new file mode 100644
index 00000000000..f78e0423dc9
--- /dev/null
+++ b/arch/mips/philips/pnx8550/jbs/irqmap.c
@@ -0,0 +1,36 @@
+/*
+ *  Philips JBS board irqmap.
+ *
+ *  Copyright 2005 Embedded Alley Solutions, Inc
+ *  source@embeddealley.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.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <int.h>
+
+char irq_tab_jbs[][5] __initdata = {
+ [8] =  { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+ [9] =  { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+ [17] = { -1, PNX8550_INT_PCI_INTA, 0xff, 0xff, 0xff},
+};
+