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-rw-r--r--arch/powerpc/platforms/pasemi/iommu.c19
-rw-r--r--arch/powerpc/sysdev/mpic.c9
-rw-r--r--drivers/net/pasemi_mac.c35
3 files changed, 46 insertions, 17 deletions
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 5803f11..86967bd 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2005-2007, PA Semi, Inc
+ * Copyright (C) 2005-2008, PA Semi, Inc
*
* Maintained by: Olof Johansson <olof@lixom.net>
*
@@ -27,7 +27,6 @@
#include <asm/abs_addr.h>
#include <asm/firmware.h>
-
#define IOBMAP_PAGE_SHIFT 12
#define IOBMAP_PAGE_SIZE (1 << IOBMAP_PAGE_SHIFT)
#define IOBMAP_PAGE_MASK (IOBMAP_PAGE_SIZE - 1)
@@ -35,13 +34,13 @@
#define IOB_BASE 0xe0000000
#define IOB_SIZE 0x3000
/* Configuration registers */
-#define IOBCAP_REG 0x10
-#define IOBCOM_REG 0x40
+#define IOBCAP_REG 0x40
+#define IOBCOM_REG 0x100
/* Enable IOB address translation */
#define IOBCOM_ATEN 0x00000100
/* Address decode configuration register */
-#define IOB_AD_REG 0x53
+#define IOB_AD_REG 0x14c
/* IOBCOM_AD_REG fields */
#define IOB_AD_VGPRT 0x00000e00
#define IOB_AD_VGAEN 0x00000100
@@ -56,13 +55,13 @@
#define IOB_AD_TRNG_2G 0x00000001
#define IOB_AD_TRNG_128G 0x00000003
-#define IOB_TABLEBASE_REG 0x55
+#define IOB_TABLEBASE_REG 0x154
/* Base of the 64 4-byte L1 registers */
-#define IOB_XLT_L1_REGBASE 0xac0
+#define IOB_XLT_L1_REGBASE 0x2b00
/* Register to invalidate TLB entries */
-#define IOB_AT_INVAL_TLB_REG 0xb40
+#define IOB_AT_INVAL_TLB_REG 0x2d00
/* The top two bits of the level 1 entry contains valid and type flags */
#define IOBMAP_L1E_V 0x40000000
@@ -76,7 +75,7 @@
#define IOBMAP_L2E_V 0x80000000
#define IOBMAP_L2E_V_CACHED 0xc0000000
-static u32 __iomem *iob;
+static void __iomem *iob;
static u32 iob_l1_emptyval;
static u32 iob_l2_emptyval;
static u32 *iob_l2_base;
@@ -219,7 +218,7 @@ int __init iob_init(struct device_node *dn)
for (i = 0; i < 64; i++) {
/* Each L1 covers 32MB, i.e. 8K entries = 32K of ram */
regword = IOBMAP_L1E_V | (__pa(iob_l2_base + i*0x2000) >> 12);
- out_le32(iob+IOB_XLT_L1_REGBASE+i, regword);
+ out_le32(iob+IOB_XLT_L1_REGBASE+i*4, regword);
}
/* set 2GB translation window, based at 0 */
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 6131fd2..8619f2a 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1410,11 +1410,6 @@ void mpic_cpu_set_priority(int prio)
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), prio);
}
-/*
- * XXX: someone who knows mpic should check this.
- * do we need to eoi the ipi including for kexec cpu here (see xics comments)?
- * or can we reset the mpic in the new kernel?
- */
void mpic_teardown_this_cpu(int secondary)
{
struct mpic *mpic = mpic_primary;
@@ -1434,6 +1429,10 @@ void mpic_teardown_this_cpu(int secondary)
/* Set current processor priority to max */
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0xf);
+ /* We need to EOI the IPI since not all platforms reset the MPIC
+ * on boot and new interrupts wouldn't get delivered otherwise.
+ */
+ mpic_eoi(mpic);
spin_unlock_irqrestore(&mpic_lock, flags);
}
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index c50f0f4..965f2e4 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -404,6 +404,7 @@ static void pasemi_mac_free_csring(struct pasemi_mac_csring *csring)
pasemi_dma_free_flag(csring->events[1]);
pasemi_dma_free_ring(&csring->chan);
pasemi_dma_free_chan(&csring->chan);
+ pasemi_dma_free_fun(csring->fun);
}
static int pasemi_mac_setup_rx_resources(const struct net_device *dev)
@@ -1150,7 +1151,10 @@ static int pasemi_mac_open(struct net_device *dev)
if (!mac->tx)
goto out_tx_ring;
- if (dev->mtu > 1500) {
+ /* We might already have allocated rings in case mtu was changed
+ * before interface was brought up.
+ */
+ if (dev->mtu > 1500 && !mac->num_cs) {
pasemi_mac_setup_csrings(mac);
if (!mac->num_cs)
goto out_tx_ring;
@@ -1388,8 +1392,12 @@ static int pasemi_mac_close(struct net_device *dev)
free_irq(mac->tx->chan.irq, mac->tx);
free_irq(mac->rx->chan.irq, mac->rx);
- for (i = 0; i < mac->num_cs; i++)
+ for (i = 0; i < mac->num_cs; i++) {
pasemi_mac_free_csring(mac->cs[i]);
+ mac->cs[i] = NULL;
+ }
+
+ mac->num_cs = 0;
/* Free resources */
pasemi_mac_free_rx_resources(mac);
@@ -1640,6 +1648,26 @@ static int pasemi_mac_poll(struct napi_struct *napi, int budget)
return pkts;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void pasemi_mac_netpoll(struct net_device *dev)
+{
+ const struct pasemi_mac *mac = netdev_priv(dev);
+
+ disable_irq(mac->tx->chan.irq);
+ pasemi_mac_tx_intr(mac->tx->chan.irq, mac->tx);
+ enable_irq(mac->tx->chan.irq);
+
+ disable_irq(mac->rx->chan.irq);
+ pasemi_mac_rx_intr(mac->rx->chan.irq, mac->rx);
+ enable_irq(mac->rx->chan.irq);
+}
+#endif
+
static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu)
{
struct pasemi_mac *mac = netdev_priv(dev);
@@ -1799,6 +1827,9 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->mtu = PE_DEF_MTU;
/* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */
mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ dev->poll_controller = pasemi_mac_netpoll;
+#endif
dev->change_mtu = pasemi_mac_change_mtu;
dev->ethtool_ops = &pasemi_mac_ethtool_ops;
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