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Merge branch 'for-2.6.26' of master.kernel.org:/pub/scm/linux/kernel/git/olof/pasemi

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This commit is contained in:
Paul Mackerras 2008-04-17 07:45:35 +10:00
commit c7cd5b9807
3 changed files with 46 additions and 17 deletions
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19
arch/powerpc/platforms/pasemi/iommu.c
View File

@ -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> * Maintained by: Olof Johansson <olof@lixom.net>
* *
@ -27,7 +27,6 @@
#include <asm/abs_addr.h> #include <asm/abs_addr.h>
#include <asm/firmware.h> #include <asm/firmware.h>
#define IOBMAP_PAGE_SHIFT 12 #define IOBMAP_PAGE_SHIFT 12
#define IOBMAP_PAGE_SIZE (1 << IOBMAP_PAGE_SHIFT) #define IOBMAP_PAGE_SIZE (1 << IOBMAP_PAGE_SHIFT)
#define IOBMAP_PAGE_MASK (IOBMAP_PAGE_SIZE - 1) #define IOBMAP_PAGE_MASK (IOBMAP_PAGE_SIZE - 1)
@ -35,13 +34,13 @@
#define IOB_BASE 0xe0000000 #define IOB_BASE 0xe0000000
#define IOB_SIZE 0x3000 #define IOB_SIZE 0x3000
/* Configuration registers */ /* Configuration registers */
#define IOBCAP_REG 0x10 #define IOBCAP_REG 0x40
#define IOBCOM_REG 0x40 #define IOBCOM_REG 0x100
/* Enable IOB address translation */ /* Enable IOB address translation */
#define IOBCOM_ATEN 0x00000100 #define IOBCOM_ATEN 0x00000100
/* Address decode configuration register */ /* Address decode configuration register */
#define IOB_AD_REG 0x53 #define IOB_AD_REG 0x14c
/* IOBCOM_AD_REG fields */ /* IOBCOM_AD_REG fields */
#define IOB_AD_VGPRT 0x00000e00 #define IOB_AD_VGPRT 0x00000e00
#define IOB_AD_VGAEN 0x00000100 #define IOB_AD_VGAEN 0x00000100
@ -56,13 +55,13 @@
#define IOB_AD_TRNG_2G 0x00000001 #define IOB_AD_TRNG_2G 0x00000001
#define IOB_AD_TRNG_128G 0x00000003 #define IOB_AD_TRNG_128G 0x00000003
#define IOB_TABLEBASE_REG 0x55 #define IOB_TABLEBASE_REG 0x154
/* Base of the 64 4-byte L1 registers */ /* 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 */ /* 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 */ /* The top two bits of the level 1 entry contains valid and type flags */
#define IOBMAP_L1E_V 0x40000000 #define IOBMAP_L1E_V 0x40000000
@ -76,7 +75,7 @@
#define IOBMAP_L2E_V 0x80000000 #define IOBMAP_L2E_V 0x80000000
#define IOBMAP_L2E_V_CACHED 0xc0000000 #define IOBMAP_L2E_V_CACHED 0xc0000000
static u32 __iomem *iob; static void __iomem *iob;
static u32 iob_l1_emptyval; static u32 iob_l1_emptyval;
static u32 iob_l2_emptyval; static u32 iob_l2_emptyval;
static u32 *iob_l2_base; static u32 *iob_l2_base;
@ -219,7 +218,7 @@ int __init iob_init(struct device_node *dn)
for (i = 0; i < 64; i++) { for (i = 0; i < 64; i++) {
/* Each L1 covers 32MB, i.e. 8K entries = 32K of ram */ /* Each L1 covers 32MB, i.e. 8K entries = 32K of ram */
regword = IOBMAP_L1E_V | (__pa(iob_l2_base + i*0x2000) >> 12); 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 */ /* set 2GB translation window, based at 0 */

9
arch/powerpc/sysdev/mpic.c
View File

@ -1410,11 +1410,6 @@ void mpic_cpu_set_priority(int prio)
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 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) void mpic_teardown_this_cpu(int secondary)
{ {
struct mpic *mpic = mpic_primary; struct mpic *mpic = mpic_primary;
@ -1434,6 +1429,10 @@ void mpic_teardown_this_cpu(int secondary)
/* Set current processor priority to max */ /* Set current processor priority to max */
mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0xf); 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); spin_unlock_irqrestore(&mpic_lock, flags);
} }

35
drivers/net/pasemi_mac.c
View File

@ -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_flag(csring->events[1]);
pasemi_dma_free_ring(&csring->chan); pasemi_dma_free_ring(&csring->chan);
pasemi_dma_free_chan(&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) 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) if (!mac->tx)
goto out_tx_ring; 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); pasemi_mac_setup_csrings(mac);
if (!mac->num_cs) if (!mac->num_cs)
goto out_tx_ring; 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->tx->chan.irq, mac->tx);
free_irq(mac->rx->chan.irq, mac->rx); 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]); pasemi_mac_free_csring(mac->cs[i]);
mac->cs[i] = NULL;
}
mac->num_cs = 0;
/* Free resources */ /* Free resources */
pasemi_mac_free_rx_resources(mac); pasemi_mac_free_rx_resources(mac);
@ -1640,6 +1648,26 @@ static int pasemi_mac_poll(struct napi_struct *napi, int budget)
return pkts; 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) static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu)
{ {
struct pasemi_mac *mac = netdev_priv(dev); 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; dev->mtu = PE_DEF_MTU;
/* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */ /* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */
mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128; 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->change_mtu = pasemi_mac_change_mtu;
dev->ethtool_ops = &pasemi_mac_ethtool_ops; dev->ethtool_ops = &pasemi_mac_ethtool_ops;