GMAC COMMON core is present on BCM4706 and is used for example to access
board PHYs (PHYs can not be accessed directly using GBIT MAC core).
Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx>
---
drivers/bcma/Kconfig | 9 +++
drivers/bcma/Makefile | 1 +
drivers/bcma/driver_gmac_cmn.c | 14 ++++
drivers/bcma/main.c | 7 ++
include/linux/bcma/bcma.h | 2 +
include/linux/bcma/bcma_driver_gmac_cmn.h | 100 +++++++++++++++++++++++++++++
6 files changed, 133 insertions(+), 0 deletions(-)
create mode 100644 drivers/bcma/driver_gmac_cmn.c
create mode 100644 include/linux/bcma/bcma_driver_gmac_cmn.h
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index fb7c80f..9319cde 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -46,6 +46,15 @@ config BCMA_DRIVER_MIPS
If unsure, say N
+config BCMA_DRIVER_GMAC_CMN
+ bool "BCMA Broadcom GBIT MAC COMMON core driver"
+ depends on BCMA
+ help
+ Driver for the Broadcom GBIT MAC COMMON core attached to Broadcom
+ specific Advanced Microcontroller Bus.
+
+ If unsure, say N
+
config BCMA_DEBUG
bool "BCMA debugging"
depends on BCMA
diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile
index 82de24e..d13803f 100644
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -3,6 +3,7 @@ bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
bcma-y += driver_pci.o
bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
+bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o
bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o
bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o
obj-$(CONFIG_BCMA) += bcma.o
diff --git a/drivers/bcma/driver_gmac_cmn.c b/drivers/bcma/driver_gmac_cmn.c
new file mode 100644
index 0000000..834225f
--- /dev/null
+++ b/drivers/bcma/driver_gmac_cmn.c
@@ -0,0 +1,14 @@
+/*
+ * Broadcom specific AMBA
+ * GBIT MAC COMMON Core
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/bcma/bcma.h>
+
+void __devinit bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc)
+{
+ mutex_init(&gc->phy_mutex);
+}
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 7ff4bac..173a0b4 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -177,6 +177,13 @@ int __devinit bcma_bus_register(struct bcma_bus *bus)
bcma_core_pci_init(&bus->drv_pci);
}
+ /* Init GBIT MAC COMMON core */
+ core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
+ if (core) {
+ bus->drv_gmac_cmn.core = core;
+ bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
+ }
+
/* Try to get SPROM */
err = bcma_sprom_get(bus);
if (err == -ENOENT) {
diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h
index 03b2f30..1954a4e 100644
--- a/include/linux/bcma/bcma.h
+++ b/include/linux/bcma/bcma.h
@@ -7,6 +7,7 @@
#include <linux/bcma/bcma_driver_chipcommon.h>
#include <linux/bcma/bcma_driver_pci.h>
#include <linux/bcma/bcma_driver_mips.h>
+#include <linux/bcma/bcma_driver_gmac_cmn.h>
#include <linux/ssb/ssb.h> /* SPROM sharing */
#include "bcma_regs.h"
@@ -252,6 +253,7 @@ struct bcma_bus {
struct bcma_drv_cc drv_cc;
struct bcma_drv_pci drv_pci;
struct bcma_drv_mips drv_mips;
+ struct bcma_drv_gmac_cmn drv_gmac_cmn;
/* We decided to share SPROM struct with SSB as long as we do not need
* any hacks for BCMA. This simplifies drivers code. */
diff --git a/include/linux/bcma/bcma_driver_gmac_cmn.h b/include/linux/bcma/bcma_driver_gmac_cmn.h
new file mode 100644
index 0000000..def894b
--- /dev/null
+++ b/include/linux/bcma/bcma_driver_gmac_cmn.h
@@ -0,0 +1,100 @@
+#ifndef LINUX_BCMA_DRIVER_GMAC_CMN_H_
+#define LINUX_BCMA_DRIVER_GMAC_CMN_H_
+
+#include <linux/types.h>
+
+#define BCMA_GMAC_CMN_STAG0 0x000
+#define BCMA_GMAC_CMN_STAG1 0x004
+#define BCMA_GMAC_CMN_STAG2 0x008
+#define BCMA_GMAC_CMN_STAG3 0x00C
+#define BCMA_GMAC_CMN_PARSER_CTL 0x020
+#define BCMA_GMAC_CMN_MIB_MAX_LEN 0x024
+#define BCMA_GMAC_CMN_PHY_ACCESS 0x100
+#define BCMA_GMAC_CMN_PA_DATA_MASK 0x0000ffff
+#define BCMA_GMAC_CMN_PA_ADDR_MASK 0x001f0000
+#define BCMA_GMAC_CMN_PA_ADDR_SHIFT 16
+#define BCMA_GMAC_CMN_PA_REG_MASK 0x1f000000
+#define BCMA_GMAC_CMN_PA_REG_SHIFT 24
+#define BCMA_GMAC_CMN_PA_WRITE 0x20000000
+#define BCMA_GMAC_CMN_PA_START 0x40000000
+#define BCMA_GMAC_CMN_PHY_CTL 0x104
+#define BCMA_GMAC_CMN_PC_EPA_MASK 0x0000001f
+#define BCMA_GMAC_CMN_PC_MCT_MASK 0x007f0000
+#define BCMA_GMAC_CMN_PC_MCT_SHIFT 16
+#define BCMA_GMAC_CMN_PC_MTE 0x00800000
+#define BCMA_GMAC_CMN_GMAC0_RGMII_CTL 0x110
+#define BCMA_GMAC_CMN_CFP_ACCESS 0x200
+#define BCMA_GMAC_CMN_CFP_TCAM_DATA0 0x210
+#define BCMA_GMAC_CMN_CFP_TCAM_DATA1 0x214
+#define BCMA_GMAC_CMN_CFP_TCAM_DATA2 0x218
+#define BCMA_GMAC_CMN_CFP_TCAM_DATA3 0x21C
+#define BCMA_GMAC_CMN_CFP_TCAM_DATA4 0x220
+#define BCMA_GMAC_CMN_CFP_TCAM_DATA5 0x224
+#define BCMA_GMAC_CMN_CFP_TCAM_DATA6 0x228
+#define BCMA_GMAC_CMN_CFP_TCAM_DATA7 0x22C
+#define BCMA_GMAC_CMN_CFP_TCAM_MASK0 0x230
+#define BCMA_GMAC_CMN_CFP_TCAM_MASK1 0x234
+#define BCMA_GMAC_CMN_CFP_TCAM_MASK2 0x238
+#define BCMA_GMAC_CMN_CFP_TCAM_MASK3 0x23C
+#define BCMA_GMAC_CMN_CFP_TCAM_MASK4 0x240
+#define BCMA_GMAC_CMN_CFP_TCAM_MASK5 0x244
+#define BCMA_GMAC_CMN_CFP_TCAM_MASK6 0x248
+#define BCMA_GMAC_CMN_CFP_TCAM_MASK7 0x24C
+#define BCMA_GMAC_CMN_CFP_ACTION_DATA 0x250
+#define BCMA_GMAC_CMN_TCAM_BIST_CTL 0x2A0
+#define BCMA_GMAC_CMN_TCAM_BIST_STATUS 0x2A4
+#define BCMA_GMAC_CMN_TCAM_CMP_STATUS 0x2A8
+#define BCMA_GMAC_CMN_TCAM_DISABLE 0x2AC
+#define BCMA_GMAC_CMN_TCAM_TEST_CTL 0x2F0
+#define BCMA_GMAC_CMN_UDF_0_A3_A0 0x300
+#define BCMA_GMAC_CMN_UDF_0_A7_A4 0x304
+#define BCMA_GMAC_CMN_UDF_0_A8 0x308
+#define BCMA_GMAC_CMN_UDF_1_A3_A0 0x310
+#define BCMA_GMAC_CMN_UDF_1_A7_A4 0x314
+#define BCMA_GMAC_CMN_UDF_1_A8 0x318
+#define BCMA_GMAC_CMN_UDF_2_A3_A0 0x320
+#define BCMA_GMAC_CMN_UDF_2_A7_A4 0x324
+#define BCMA_GMAC_CMN_UDF_2_A8 0x328
+#define BCMA_GMAC_CMN_UDF_0_B3_B0 0x330
+#define BCMA_GMAC_CMN_UDF_0_B7_B4 0x334
+#define BCMA_GMAC_CMN_UDF_0_B8 0x338
+#define BCMA_GMAC_CMN_UDF_1_B3_B0 0x340
+#define BCMA_GMAC_CMN_UDF_1_B7_B4 0x344
+#define BCMA_GMAC_CMN_UDF_1_B8 0x348
+#define BCMA_GMAC_CMN_UDF_2_B3_B0 0x350
+#define BCMA_GMAC_CMN_UDF_2_B7_B4 0x354
+#define BCMA_GMAC_CMN_UDF_2_B8 0x358
+#define BCMA_GMAC_CMN_UDF_0_C3_C0 0x360
+#define BCMA_GMAC_CMN_UDF_0_C7_C4 0x364
+#define BCMA_GMAC_CMN_UDF_0_C8 0x368
+#define BCMA_GMAC_CMN_UDF_1_C3_C0 0x370
+#define BCMA_GMAC_CMN_UDF_1_C7_C4 0x374
+#define BCMA_GMAC_CMN_UDF_1_C8 0x378
+#define BCMA_GMAC_CMN_UDF_2_C3_C0 0x380
+#define BCMA_GMAC_CMN_UDF_2_C7_C4 0x384
+#define BCMA_GMAC_CMN_UDF_2_C8 0x388
+#define BCMA_GMAC_CMN_UDF_0_D3_D0 0x390
+#define BCMA_GMAC_CMN_UDF_0_D7_D4 0x394
+#define BCMA_GMAC_CMN_UDF_0_D11_D8 0x394
+
+struct bcma_drv_gmac_cmn {
+ struct bcma_device *core;
+
+ /* Drivers accessing BCMA_GMAC_CMN_PHY_ACCESS and
+ * BCMA_GMAC_CMN_PHY_CTL need to take that mutex first. */
+ struct mutex phy_mutex;
+};
+
+/* Register access */
+#define gmac_cmn_read16(gc, offset) bcma_read16((gc)->core, offset)
+#define gmac_cmn_read32(gc, offset) bcma_read32((gc)->core, offset)
+#define gmac_cmn_write16(gc, offset, val) bcma_write16((gc)->core, offset, val)
+#define gmac_cmn_write32(gc, offset, val) bcma_write32((gc)->core, offset, val)
+
+#ifdef CONFIG_BCMA_DRIVER_GMAC_CMN
+extern void __devinit bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc);
+#else
+static inline void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc) { }
+#endif
+
+#endif /* LINUX_BCMA_DRIVER_GMAC_CMN_H_ */
--
1.7.7
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
