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MIPS: Octeon: Rearrange CVMX files in preperation for device tree

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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>
This commit is contained in:
David Daney 2011-11-22 14:47:03 +00:00 committed by Ralf Baechle
parent ada11a339d
commit 37d3bfd992
11 changed files with 117 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c
View File

@ -326,6 +326,10 @@ static int __cvmx_helper_sgmii_hardware_init(int interface, int num_ports)
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 @@ int __cvmx_helper_sgmii_probe(int interface)
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);
}
/**

10
arch/mips/cavium-octeon/executive/cvmx-helper-spi.c
View File

@ -51,6 +51,16 @@ void __cvmx_interrupt_stxx_int_msk_enable(int index);
#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

22
arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c
View File

@ -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 @@ void __cvmx_interrupt_pcsxx_int_en_reg_enable(int index);
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 @@ int __cvmx_helper_xaui_probe(int interface)
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);
}
/**

99
arch/mips/cavium-octeon/executive/cvmx-helper.c
View File

@ -233,6 +233,80 @@ static int __cvmx_helper_port_setup_ipd(int ipd_port)
return 0;
}
/**
* 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
@ -246,6 +320,7 @@ static int __cvmx_helper_port_setup_ipd(int ipd_port)
*/
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 @@ int cvmx_helper_interface_probe(int 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_probe(interface);
__cvmx_helper_xaui_probe(interface);
break;
/*
* RGMII/GMII/MII are all treated about the same. Most
@ -266,16 +339,14 @@ int cvmx_helper_interface_probe(int interface)
*/
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 @@ int cvmx_helper_interface_probe(int interface)
*/
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;

1
arch/mips/include/asm/octeon/cvmx-helper-loop.h
View File

@ -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

1
arch/mips/include/asm/octeon/cvmx-helper-npi.h
View File

@ -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

1
arch/mips/include/asm/octeon/cvmx-helper-rgmii.h
View File

@ -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

1
arch/mips/include/asm/octeon/cvmx-helper-sgmii.h
View File

@ -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

1
arch/mips/include/asm/octeon/cvmx-helper-spi.h
View File

@ -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

1
arch/mips/include/asm/octeon/cvmx-helper-xaui.h
View File

@ -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

1
arch/mips/include/asm/octeon/cvmx-helper.h
View File

@ -207,6 +207,7 @@ extern int cvmx_helper_link_set(int ipd_port,
* 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