MIPS: Octeon: Rearrange CVMX files in preperation for device tree
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: netdev@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Patchwork: https://patchwork.linux-mips.org/patch/2941/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c
index 464347f..0c0bf5d 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c
@@ -326,6 +326,10 @@
return 0;
}
+int __cvmx_helper_sgmii_enumerate(int interface)
+{
+ return 4;
+}
/**
* Probe a SGMII interface and determine the number of ports
* connected to it. The SGMII interface should still be down after
@@ -347,7 +351,7 @@
mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
mode.s.en = 1;
cvmx_write_csr(CVMX_GMXX_INF_MODE(interface), mode.u64);
- return 4;
+ return __cvmx_helper_sgmii_enumerate(interface);
}
/**
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c b/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c
index 02a4442..2830e4b 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c
@@ -51,6 +51,16 @@
#define CVMX_HELPER_SPI_TIMEOUT 10
#endif
+int __cvmx_helper_spi_enumerate(int interface)
+{
+ if ((cvmx_sysinfo_get()->board_type != CVMX_BOARD_TYPE_SIM) &&
+ cvmx_spi4000_is_present(interface)) {
+ return 10;
+ } else {
+ return 16;
+ }
+}
+
/**
* Probe a SPI interface and determine the number of ports
* connected to it. The SPI interface should still be down after
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c
index 667a8e3..1723248e 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c
@@ -44,6 +44,19 @@
void __cvmx_interrupt_gmxx_enable(int interface);
void __cvmx_interrupt_pcsx_intx_en_reg_enable(int index, int block);
void __cvmx_interrupt_pcsxx_int_en_reg_enable(int index);
+
+int __cvmx_helper_xaui_enumerate(int interface)
+{
+ union cvmx_gmxx_hg2_control gmx_hg2_control;
+
+ /* If HiGig2 is enabled return 16 ports, otherwise return 1 port */
+ gmx_hg2_control.u64 = cvmx_read_csr(CVMX_GMXX_HG2_CONTROL(interface));
+ if (gmx_hg2_control.s.hg2tx_en)
+ return 16;
+ else
+ return 1;
+}
+
/**
* Probe a XAUI interface and determine the number of ports
* connected to it. The XAUI interface should still be down
@@ -56,7 +69,6 @@
int __cvmx_helper_xaui_probe(int interface)
{
int i;
- union cvmx_gmxx_hg2_control gmx_hg2_control;
union cvmx_gmxx_inf_mode mode;
/*
@@ -90,13 +102,7 @@
pko_mem_port_ptrs.s.pid = interface * 16 + i;
cvmx_write_csr(CVMX_PKO_MEM_PORT_PTRS, pko_mem_port_ptrs.u64);
}
-
- /* If HiGig2 is enabled return 16 ports, otherwise return 1 port */
- gmx_hg2_control.u64 = cvmx_read_csr(CVMX_GMXX_HG2_CONTROL(interface));
- if (gmx_hg2_control.s.hg2tx_en)
- return 16;
- else
- return 1;
+ return __cvmx_helper_xaui_enumerate(interface);
}
/**
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c
index daa8c8b..fa49638 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c
@@ -234,6 +234,80 @@
}
/**
+ * This function sets the interface_port_count[interface] correctly,
+ * without modifying any hardware configuration. Hardware setup of
+ * the ports will be performed later.
+ *
+ * @interface: Interface to probe
+ *
+ * Returns Zero on success, negative on failure
+ */
+int cvmx_helper_interface_enumerate(int interface)
+{
+ switch (cvmx_helper_interface_get_mode(interface)) {
+ /* These types don't support ports to IPD/PKO */
+ case CVMX_HELPER_INTERFACE_MODE_DISABLED:
+ case CVMX_HELPER_INTERFACE_MODE_PCIE:
+ interface_port_count[interface] = 0;
+ break;
+ /* XAUI is a single high speed port */
+ case CVMX_HELPER_INTERFACE_MODE_XAUI:
+ interface_port_count[interface] =
+ __cvmx_helper_xaui_enumerate(interface);
+ break;
+ /*
+ * RGMII/GMII/MII are all treated about the same. Most
+ * functions refer to these ports as RGMII.
+ */
+ case CVMX_HELPER_INTERFACE_MODE_RGMII:
+ case CVMX_HELPER_INTERFACE_MODE_GMII:
+ interface_port_count[interface] =
+ __cvmx_helper_rgmii_enumerate(interface);
+ break;
+ /*
+ * SPI4 can have 1-16 ports depending on the device at
+ * the other end.
+ */
+ case CVMX_HELPER_INTERFACE_MODE_SPI:
+ interface_port_count[interface] =
+ __cvmx_helper_spi_enumerate(interface);
+ break;
+ /*
+ * SGMII can have 1-4 ports depending on how many are
+ * hooked up.
+ */
+ case CVMX_HELPER_INTERFACE_MODE_SGMII:
+ case CVMX_HELPER_INTERFACE_MODE_PICMG:
+ interface_port_count[interface] =
+ __cvmx_helper_sgmii_enumerate(interface);
+ break;
+ /* PCI target Network Packet Interface */
+ case CVMX_HELPER_INTERFACE_MODE_NPI:
+ interface_port_count[interface] =
+ __cvmx_helper_npi_enumerate(interface);
+ break;
+ /*
+ * Special loopback only ports. These are not the same
+ * as other ports in loopback mode.
+ */
+ case CVMX_HELPER_INTERFACE_MODE_LOOP:
+ interface_port_count[interface] =
+ __cvmx_helper_loop_enumerate(interface);
+ break;
+ }
+
+ interface_port_count[interface] =
+ __cvmx_helper_board_interface_probe(interface,
+ interface_port_count
+ [interface]);
+
+ /* Make sure all global variables propagate to other cores */
+ CVMX_SYNCWS;
+
+ return 0;
+}
+
+/**
* This function probes an interface to determine the actual
* number of hardware ports connected to it. It doesn't setup the
* ports or enable them. The main goal here is to set the global
@@ -246,6 +320,7 @@
*/
int cvmx_helper_interface_probe(int interface)
{
+ cvmx_helper_interface_enumerate(interface);
/* At this stage in the game we don't want packets to be moving yet.
The following probe calls should perform hardware setup
needed to determine port counts. Receive must still be disabled */
@@ -253,12 +328,10 @@
/* These types don't support ports to IPD/PKO */
case CVMX_HELPER_INTERFACE_MODE_DISABLED:
case CVMX_HELPER_INTERFACE_MODE_PCIE:
- interface_port_count[interface] = 0;
break;
/* XAUI is a single high speed port */
case CVMX_HELPER_INTERFACE_MODE_XAUI:
- interface_port_count[interface] =
- __cvmx_helper_xaui_probe(interface);
+ __cvmx_helper_xaui_probe(interface);
break;
/*
* RGMII/GMII/MII are all treated about the same. Most
@@ -266,16 +339,14 @@
*/
case CVMX_HELPER_INTERFACE_MODE_RGMII:
case CVMX_HELPER_INTERFACE_MODE_GMII:
- interface_port_count[interface] =
- __cvmx_helper_rgmii_probe(interface);
+ __cvmx_helper_rgmii_probe(interface);
break;
/*
* SPI4 can have 1-16 ports depending on the device at
* the other end.
*/
case CVMX_HELPER_INTERFACE_MODE_SPI:
- interface_port_count[interface] =
- __cvmx_helper_spi_probe(interface);
+ __cvmx_helper_spi_probe(interface);
break;
/*
* SGMII can have 1-4 ports depending on how many are
@@ -283,29 +354,21 @@
*/
case CVMX_HELPER_INTERFACE_MODE_SGMII:
case CVMX_HELPER_INTERFACE_MODE_PICMG:
- interface_port_count[interface] =
- __cvmx_helper_sgmii_probe(interface);
+ __cvmx_helper_sgmii_probe(interface);
break;
/* PCI target Network Packet Interface */
case CVMX_HELPER_INTERFACE_MODE_NPI:
- interface_port_count[interface] =
- __cvmx_helper_npi_probe(interface);
+ __cvmx_helper_npi_probe(interface);
break;
/*
* Special loopback only ports. These are not the same
* as other ports in loopback mode.
*/
case CVMX_HELPER_INTERFACE_MODE_LOOP:
- interface_port_count[interface] =
- __cvmx_helper_loop_probe(interface);
+ __cvmx_helper_loop_probe(interface);
break;
}
- interface_port_count[interface] =
- __cvmx_helper_board_interface_probe(interface,
- interface_port_count
- [interface]);
-
/* Make sure all global variables propagate to other cores */
CVMX_SYNCWS;
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-loop.h b/arch/mips/include/asm/octeon/cvmx-helper-loop.h
index e646a6c..077f0e9 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-loop.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-loop.h
@@ -44,6 +44,7 @@
* Returns Number of ports on the interface. Zero to disable.
*/
extern int __cvmx_helper_loop_probe(int interface);
+static inline int __cvmx_helper_loop_enumerate(int interface) {return 4; }
/**
* Bringup and enable a LOOP interface. After this call packet
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-npi.h b/arch/mips/include/asm/octeon/cvmx-helper-npi.h
index 908e7b0..8df4c7f 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-npi.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-npi.h
@@ -45,6 +45,7 @@
* Returns Number of ports on the interface. Zero to disable.
*/
extern int __cvmx_helper_npi_probe(int interface);
+#define __cvmx_helper_npi_enumerate __cvmx_helper_npi_probe
/**
* Bringup and enable a NPI interface. After this call packet
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h b/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h
index ea26526..78295ba 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-rgmii.h
@@ -43,6 +43,7 @@
* Returns Number of RGMII/GMII/MII ports (0-4).
*/
extern int __cvmx_helper_rgmii_probe(int interface);
+#define __cvmx_helper_rgmii_enumerate __cvmx_helper_rgmii_probe
/**
* Put an RGMII interface in loopback mode. Internal packets sent
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-sgmii.h b/arch/mips/include/asm/octeon/cvmx-helper-sgmii.h
index 19b48d6..9a9b6c1 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-sgmii.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-sgmii.h
@@ -45,6 +45,7 @@
* Returns Number of ports on the interface. Zero to disable.
*/
extern int __cvmx_helper_sgmii_probe(int interface);
+extern int __cvmx_helper_sgmii_enumerate(int interface);
/**
* Bringup and enable a SGMII interface. After this call packet
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-spi.h b/arch/mips/include/asm/octeon/cvmx-helper-spi.h
index 69bac03..9f1c6b9 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-spi.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-spi.h
@@ -42,6 +42,7 @@
* Returns Number of ports on the interface. Zero to disable.
*/
extern int __cvmx_helper_spi_probe(int interface);
+extern int __cvmx_helper_spi_enumerate(int interface);
/**
* Bringup and enable a SPI interface. After this call packet I/O
diff --git a/arch/mips/include/asm/octeon/cvmx-helper-xaui.h b/arch/mips/include/asm/octeon/cvmx-helper-xaui.h
index 4b4db2f..f6fbc4f 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper-xaui.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper-xaui.h
@@ -45,6 +45,7 @@
* Returns Number of ports on the interface. Zero to disable.
*/
extern int __cvmx_helper_xaui_probe(int interface);
+extern int __cvmx_helper_xaui_enumerate(int interface);
/**
* Bringup and enable a XAUI interface. After this call packet
diff --git a/arch/mips/include/asm/octeon/cvmx-helper.h b/arch/mips/include/asm/octeon/cvmx-helper.h
index 51916f3..3169cd7 100644
--- a/arch/mips/include/asm/octeon/cvmx-helper.h
+++ b/arch/mips/include/asm/octeon/cvmx-helper.h
@@ -207,6 +207,7 @@
* Returns Zero on success, negative on failure
*/
extern int cvmx_helper_interface_probe(int interface);
+extern int cvmx_helper_interface_enumerate(int interface);
/**
* Configure a port for internal and/or external loopback. Internal loopback
