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authorPaul Burton <paul.burton@imgtec.com>2014-01-15 10:31:55 +0000
committerRalf Baechle <ralf@linux-mips.org>2014-03-26 23:09:06 +0100
commit7dc2834fd57e12b355ee80ae5edf134af7476a3b (patch)
tree1638ba087ecd7c761b425cc60f67ca4b5a9acb6a /arch
parent237036de6540a377268db5bb2b9c8efdccbe51c1 (diff)
MIPS: Malta: Probe CPC when supported
When CPC support is compiled into the kernel (ie. CONFIG_MIPS_CPC=y), probe the CPC on boot for Malta in order to allow any users of the CPC to detect its presence & function correctly. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6363/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/include/asm/mips-boards/malta.h5
-rw-r--r--arch/mips/mti-malta/malta-init.c7
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mips-boards/malta.h b/arch/mips/include/asm/mips-boards/malta.h
index 722bc889eab..fd9774269a5 100644
--- a/arch/mips/include/asm/mips-boards/malta.h
+++ b/arch/mips/include/asm/mips-boards/malta.h
@@ -64,6 +64,11 @@ static inline unsigned long get_msc_port_base(unsigned long reg)
#define GIC_ADDRSPACE_SZ (128 * 1024)
/*
+ * CPC Specific definitions
+ */
+#define CPC_BASE_ADDR 0x1bde0000
+
+/*
* MSC01 BIU Specific definitions
* FIXME : These should be elsewhere ?
*/
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index 85a62b036df..1381365b887 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -21,6 +21,7 @@
#include <asm/traps.h>
#include <asm/fw/fw.h>
#include <asm/mips-cm.h>
+#include <asm/mips-cpc.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/malta.h>
@@ -110,6 +111,11 @@ static void __init mips_ejtag_setup(void)
flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
}
+phys_t mips_cpc_default_phys_base(void)
+{
+ return CPC_BASE_ADDR;
+}
+
extern struct plat_smp_ops msmtc_smp_ops;
void __init prom_init(void)
@@ -277,6 +283,7 @@ mips_pci_controller:
#endif
/* Early detection of CMP support */
mips_cm_probe();
+ mips_cpc_probe();
if (!register_cmp_smp_ops())
return;