[linux-yocto] [PATCH 51/78] arm-powerpc-drivers: Add the necessary wrappers to all architectures.
Paul Butler
butler.paul at gmail.com
Tue Nov 19 20:23:27 PST 2013
From: John Jacques <john.jacques at lsi.com>
Signed-off-by: John Jacques <john.jacques at lsi.com>
---
arch/arm/include/asm/lsi/acp_ncr.h | 4 +-
arch/arm/mach-axxia/Makefile | 1 -
arch/arm/mach-axxia/wrappers.c | 80 -------------
arch/powerpc/include/asm/lsi/acp_ncr.h | 4 +-
drivers/net/ethernet/lsi/lsi_acp_mdio.c | 203 ++++++++++++++++++++++++++++++--
drivers/net/ethernet/lsi/lsi_acp_net.c | 18 +--
6 files changed, 203 insertions(+), 107 deletions(-)
delete mode 100644 arch/arm/mach-axxia/wrappers.c
diff --git a/arch/arm/include/asm/lsi/acp_ncr.h b/arch/arm/include/asm/lsi/acp_ncr.h
index 1a08f07..114a36b 100644
--- a/arch/arm/include/asm/lsi/acp_ncr.h
+++ b/arch/arm/include/asm/lsi/acp_ncr.h
@@ -39,7 +39,7 @@ int ncr_write(unsigned long, unsigned long, int, void *);
int is_asic(void);
-extern int acp_mdio_read(unsigned long, unsigned long, unsigned short *);
-extern int acp_mdio_write(unsigned long, unsigned long, unsigned short);
+extern int acp_mdio_read(unsigned long, unsigned long, unsigned short *, int);
+extern int acp_mdio_write(unsigned long, unsigned long, unsigned short, int);
#endif /* __DRIVERS_LSI_ACP_NCR_H */
diff --git a/arch/arm/mach-axxia/Makefile b/arch/arm/mach-axxia/Makefile
index e2f59cb..6282d36 100644
--- a/arch/arm/mach-axxia/Makefile
+++ b/arch/arm/mach-axxia/Makefile
@@ -1,7 +1,6 @@
#
# Makefile for the linux kernel.
#
-obj-y := wrappers.o
obj-y += axxia.o
obj-y += clock.o
obj-y += io.o
diff --git a/arch/arm/mach-axxia/wrappers.c b/arch/arm/mach-axxia/wrappers.c
deleted file mode 100644
index 54d2021..0000000
--- a/arch/arm/mach-axxia/wrappers.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * arch/arm/mach-axxia/wrappers.c
- *
- * Copyright (C) 2013 LSI
- *
- * 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 program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- ==============================================================================
- ==============================================================================
- Platform Device Registration
- ==============================================================================
- ==============================================================================
-*/
-
-#include <linux/platform_device.h>
-
-/*
- ------------------------------------------------------------------------------
- acp_platform_device_register
-*/
-
-int
-acp_platform_device_register(struct platform_device *pdev)
-{
- return platform_device_register(pdev);
-}
-
-EXPORT_SYMBOL(acp_platform_device_register);
-
-/*
- ------------------------------------------------------------------------------
- acp_platform_device_unregister
-*/
-
-void
-acp_platform_device_unregister(struct platform_device *pdev)
-{
- platform_device_unregister(pdev);
-
- return;
-}
-
-EXPORT_SYMBOL(acp_platform_device_unregister);
-
-/*
- ==============================================================================
- ==============================================================================
- Interrupts
- ==============================================================================
- ==============================================================================
-*/
-
-#include <linux/irqdomain.h>
-
-/*
- ------------------------------------------------------------------------------
- acp_irq_create_mapping
-*/
-
-unsigned int
-acp_irq_create_mapping(struct irq_domain *host, irq_hw_number_t hwirq)
-{
- return irq_create_mapping(host, hwirq);
-}
-
-EXPORT_SYMBOL(acp_irq_create_mapping);
diff --git a/arch/powerpc/include/asm/lsi/acp_ncr.h b/arch/powerpc/include/asm/lsi/acp_ncr.h
index 1a08f07..114a36b 100644
--- a/arch/powerpc/include/asm/lsi/acp_ncr.h
+++ b/arch/powerpc/include/asm/lsi/acp_ncr.h
@@ -39,7 +39,7 @@ int ncr_write(unsigned long, unsigned long, int, void *);
int is_asic(void);
-extern int acp_mdio_read(unsigned long, unsigned long, unsigned short *);
-extern int acp_mdio_write(unsigned long, unsigned long, unsigned short);
+extern int acp_mdio_read(unsigned long, unsigned long, unsigned short *, int);
+extern int acp_mdio_write(unsigned long, unsigned long, unsigned short, int);
#endif /* __DRIVERS_LSI_ACP_NCR_H */
diff --git a/drivers/net/ethernet/lsi/lsi_acp_mdio.c b/drivers/net/ethernet/lsi/lsi_acp_mdio.c
index 489ae9c..8602374 100644
--- a/drivers/net/ethernet/lsi/lsi_acp_mdio.c
+++ b/drivers/net/ethernet/lsi/lsi_acp_mdio.c
@@ -25,6 +25,8 @@
#include <linux/io.h>
#include <linux/of_address.h>
#include <linux/irqdomain.h>
+#include <linux/skbuff.h>
+#include <linux/platform_device.h>
/*
==============================================================================
@@ -61,7 +63,7 @@ static DEFINE_SPINLOCK(mdio_lock);
int
acp_mdio_read(unsigned long address, unsigned long offset,
- unsigned short *value)
+ unsigned short *value, int clause45)
{
unsigned long command = 0;
unsigned long status;
@@ -75,11 +77,53 @@ acp_mdio_read(unsigned long address, unsigned long offset,
WRITE(MDIO_STATUS_RD_DATA, status);
#endif /* BZ33327_WA */
- /* Write the command. */
- command |= 0x10000000; /* op_code: read */
- command |= (address & 0x1f) << 16; /* port_addr (target device) */
- command |= (offset & 0x1f) << 21;/* device_addr (target register) */
- WRITE(MDIO_CONTROL_RD_DATA, command);
+ if(clause45 == 0) {
+ /* Write the command. */
+ command |= 0x10000000; /* op_code: read */
+ command |= (address & 0x1f) << 16; /* port_addr (target device) */
+ command |= (offset & 0x1f) << 21;/* device_addr (target register) */
+ WRITE(MDIO_CONTROL_RD_DATA, command);
+ } else {
+ /*
+ * Step 1: Write the address.
+ */
+
+ /* Write the address */
+ command |= 0x20000000; /* clause_45 = 1 */
+ command |= 0x00000000; /* op_code: write */
+ command |= 0x04000000; /* interface_select = 1 */
+ command |= ((offset & 0x001f0000) >> 3); /* device_addr (target device_type) */
+ command |= (address & 0x1f) << 16; /* port_addr (target device) */
+ command |= (offset & 0xffff); /* addr_or_data (target register) */
+ WRITE(MDIO_CONTROL_RD_DATA, command);
+
+ /* Wait for the mdio_busy (status) bit to clear. */
+ do {
+ status = READ(MDIO_STATUS_RD_DATA);
+ } while (0 != (status & 0x40000000));
+
+ /* Wait for the mdio_busy (control) bit to clear. */
+ do {
+ command = READ(MDIO_CONTROL_RD_DATA);
+ } while (0 != (command & 0x80000000));
+
+ /*
+ * Step 2: Read the value.
+ */
+
+ /* Set the mdio_busy (status) bit. */
+ status = READ(MDIO_STATUS_RD_DATA);
+ status |= 0x40000000;
+ WRITE(MDIO_STATUS_RD_DATA, status);
+
+ command = 0;
+ command |= 0x20000000; /* clause_45 = 1 */
+ command |= 0x10000000; /* op_code: read */
+ command |= 0x04000000; /* interface_select = 1 */
+ command |= ((offset & 0x001f0000) >> 3); /* device_addr (target device_type) */
+ command |= (address & 0x1f) << 16; /* port_addr (target device) */
+ WRITE(MDIO_CONTROL_RD_DATA, command);
+ }
#if defined(BZ33327_WA)
/* Wait for the mdio_busy (status) bit to clear. */
@@ -112,7 +156,7 @@ EXPORT_SYMBOL(acp_mdio_read);
int
acp_mdio_write(unsigned long address, unsigned long offset,
- unsigned short value)
+ unsigned short value, int clause45)
{
unsigned long command = 0;
unsigned long status;
@@ -132,12 +176,55 @@ acp_mdio_write(unsigned long address, unsigned long offset,
WRITE(MDIO_STATUS_RD_DATA, status);
#endif /* BZ33327_WA */
- /* Write the command. */
- command = 0x08000000; /* op_code: write */
- command |= (address & 0x1f) << 16; /* port_addr (target device) */
- command |= (offset & 0x1f) << 21;/* device_addr (target register) */
- command |= (value & 0xffff); /* value */
- WRITE(MDIO_CONTROL_RD_DATA, command);
+ if(clause45 == 0) {
+ /* Write the command. */
+ command = 0x08000000; /* op_code: write */
+ command |= (address & 0x1f) << 16; /* port_addr (target device) */
+ command |= (offset & 0x1f) << 21;/* device_addr (target register) */
+ command |= (value & 0xffff); /* value */
+ WRITE(MDIO_CONTROL_RD_DATA, command);
+ } else {
+ /*
+ * Step 1: Write the address.
+ */
+
+ /* Write the address */
+ command |= 0x20000000; /* clause_45 = 1 */
+ command |= 0x08000000; /* op_code: write */
+ command |= 0x04000000; /* interface_select = 1 */
+ command |= ((offset & 0x001f0000) >> 3); /* device_addr (target device_type) */
+ command |= (address & 0x1f) << 16; /* port_addr (target device) */
+ command |= (offset & 0xffff); /* addr_or_data (target register) */
+ WRITE(MDIO_CONTROL_RD_DATA, command);
+
+ /* Wait for the mdio_busy (status) bit to clear. */
+ do {
+ status = READ(MDIO_STATUS_RD_DATA);
+ } while (0 != (status & 0x40000000));
+
+ /* Wait for the mdio_busy (control) bit to clear. */
+ do {
+ command = READ(MDIO_CONTROL_RD_DATA);
+ } while (0 != (command & 0x80000000));
+
+ /*
+ * Step 2: Write the value.
+ */
+
+ /* Set the mdio_busy (status) bit. */
+ status = READ(MDIO_STATUS_RD_DATA);
+ status |= 0x40000000;
+ WRITE(MDIO_STATUS_RD_DATA, status);
+
+ command = 0;
+ command |= 0x20000000; /* clause_45 = 1 */
+ command |= 0x08000000; /* op_code: write */
+ command |= 0x04000000; /* interface_select = 1 */
+ command |= ((offset & 0x001f0000) >> 3); /* device_addr (target device_type) */
+ command |= (address & 0x1f) << 16; /* port_addr (target device) */
+ command |= (value & 0xffff); /* addr_or_data = value */
+ WRITE(MDIO_CONTROL_RD_DATA, command);
+ }
#if defined(BZ33327_WA)
/* Wait for the mdio_busy (status) bit to clear. */
@@ -184,6 +271,96 @@ acp_mdio_initialize(void)
#endif /* ! CONFIG_ACPISS */
/*
+ ==============================================================================
+ ==============================================================================
+ Platform Device Registration
+ ==============================================================================
+ ==============================================================================
+*/
+
+/*
+ ------------------------------------------------------------------------------
+ acp_platform_device_register
+*/
+
+int
+acp_platform_device_register(struct platform_device *pdev)
+{
+ return platform_device_register(pdev);
+}
+
+EXPORT_SYMBOL(acp_platform_device_register);
+
+/*
+ ------------------------------------------------------------------------------
+ acp_platform_device_unregister
+*/
+
+void
+acp_platform_device_unregister(struct platform_device *pdev)
+{
+ platform_device_unregister(pdev);
+
+ return;
+}
+
+EXPORT_SYMBOL(acp_platform_device_unregister);
+
+/*
+ ============================================================================
+ ============================================================================
+ SKB
+ ============================================================================
+ ============================================================================
+*/
+
+/*
+ ----------------------------------------------------------------------------
+ acp_skb_tstamp_tx
+*/
+
+void
+acp_skb_tstamp_tx(struct sk_buff *orig_skb,
+ struct skb_shared_hwtstamps *hwtstamps) {
+ skb_tstamp_tx(orig_skb, hwtstamps);
+}
+
+EXPORT_SYMBOL(acp_skb_tstamp_tx);
+
+/*
+ ============================================================================
+ ============================================================================
+ Interrupts
+ ============================================================================
+ ============================================================================
+*/
+
+/*
+ * -------------------------------------------------------------------------
+ * acp_irq_create_mapping
+ */
+unsigned int acp_irq_create_mapping(struct irq_domain *host,
+ irq_hw_number_t hwirq)
+{
+ unsigned int mapped_irq;
+
+ preempt_disable();
+ mapped_irq = irq_create_mapping(host, hwirq);
+ preempt_enable();
+
+ return mapped_irq;
+}
+EXPORT_SYMBOL(acp_irq_create_mapping);
+
+/*
+ ==============================================================================
+ ==============================================================================
+ Linux Stuff
+ ==============================================================================
+ ==============================================================================
+*/
+
+/*
------------------------------------------------------------------------------
acp_wrappers_init
*/
diff --git a/drivers/net/ethernet/lsi/lsi_acp_net.c b/drivers/net/ethernet/lsi/lsi_acp_net.c
index 5244040..0fe090e 100644
--- a/drivers/net/ethernet/lsi/lsi_acp_net.c
+++ b/drivers/net/ethernet/lsi/lsi_acp_net.c
@@ -123,7 +123,7 @@ static int appnic_mii_read(struct mii_bus *bus, int phy, int reg)
unsigned short value;
/* Always returns success, so no need to check return status. */
- acp_mdio_read(phy, reg, &value);
+ acp_mdio_read(phy, reg, &value, 0);
return (int)value;
}
@@ -135,7 +135,7 @@ static int appnic_mii_read(struct mii_bus *bus, int phy, int reg)
static int appnic_mii_write(struct mii_bus *bus, int phy, int reg, u16 val)
{
- return acp_mdio_write(phy, reg, val);
+ return acp_mdio_write(phy, reg, val, 0);
}
/*
@@ -277,27 +277,27 @@ skip_first:
#ifdef AMARILLO_WA
/*
- * For Amarillo, without the auto-negotiate ecn.
+ * For the Amarillo, without the auto-negotiate ecn.
*/
{
u16 val;
int rc;
/* Enable access to shadow register @ 0x1d */
- rc = acp_mdio_read(phydev->addr, PHY_BCM_TEST_REG, &val);
+ rc = acp_mdio_read(phydev->addr, PHY_BCM_TEST_REG, &val, 0);
val |= 0x80;
- rc |= acp_mdio_write(phydev->addr, PHY_BCM_TEST_REG, val);
+ rc |= acp_mdio_write(phydev->addr, PHY_BCM_TEST_REG, val, 0);
/* Set RX FIFO size to 0x7 */
- rc |= acp_mdio_read(phydev->addr, PHY_AUXILIARY_MODE3, &val);
+ rc |= acp_mdio_read(phydev->addr, PHY_AUXILIARY_MODE3, &val, 0);
val &= 0xf;
val |= 0x7;
- rc |= acp_mdio_write(phydev->addr, PHY_AUXILIARY_MODE3, val);
+ rc |= acp_mdio_write(phydev->addr, PHY_AUXILIARY_MODE3, val, 0);
/* Disable access to shadow register @ 0x1d */
- rc |= acp_mdio_read(phydev->addr, PHY_BCM_TEST_REG, &val);
+ rc |= acp_mdio_read(phydev->addr, PHY_BCM_TEST_REG, &val, 0);
val &= ~0x80;
- rc |= acp_mdio_write(phydev->addr, PHY_BCM_TEST_REG, val);
+ rc |= acp_mdio_write(phydev->addr, PHY_BCM_TEST_REG, val, 0);
if (0 != rc)
return -EIO;
--
1.8.4.3
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