diff options
author | Jeff Garzik <jeff@garzik.org> | 2006-03-20 04:38:03 -0500 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-03-20 04:38:03 -0500 |
commit | d378aca6ec708bfb24df5c47801b1f2399efc481 (patch) | |
tree | 7535f96bf34314df071698d2e06054b8d5223ebb /drivers/net | |
parent | abc71c46dc0a12ab7fddc18cfe4f4aa26808c79b (diff) | |
parent | 7705a8792b0fc82fd7d4dd923724606bbfd9fb20 (diff) |
Merge branch 'master'
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/tg3.c | 52 | ||||
-rw-r--r-- | drivers/net/tg3.h | 1 |
2 files changed, 44 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index c0878f304e54..bd49b25fba6b 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c | |||
@@ -9552,12 +9552,36 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) | |||
9552 | } | 9552 | } |
9553 | } | 9553 | } |
9554 | 9554 | ||
9555 | /* Find msi capability. */ | 9555 | /* The EPB bridge inside 5714, 5715, and 5780 cannot support |
9556 | * DMA addresses > 40-bit. This bridge may have other additional | ||
9557 | * 57xx devices behind it in some 4-port NIC designs for example. | ||
9558 | * Any tg3 device found behind the bridge will also need the 40-bit | ||
9559 | * DMA workaround. | ||
9560 | */ | ||
9556 | if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 || | 9561 | if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 || |
9557 | GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) { | 9562 | GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) { |
9558 | tp->tg3_flags2 |= TG3_FLG2_5780_CLASS; | 9563 | tp->tg3_flags2 |= TG3_FLG2_5780_CLASS; |
9564 | tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG; | ||
9559 | tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI); | 9565 | tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI); |
9560 | } | 9566 | } |
9567 | else { | ||
9568 | struct pci_dev *bridge = NULL; | ||
9569 | |||
9570 | do { | ||
9571 | bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, | ||
9572 | PCI_DEVICE_ID_SERVERWORKS_EPB, | ||
9573 | bridge); | ||
9574 | if (bridge && bridge->subordinate && | ||
9575 | (bridge->subordinate->number <= | ||
9576 | tp->pdev->bus->number) && | ||
9577 | (bridge->subordinate->subordinate >= | ||
9578 | tp->pdev->bus->number)) { | ||
9579 | tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG; | ||
9580 | pci_dev_put(bridge); | ||
9581 | break; | ||
9582 | } | ||
9583 | } while (bridge); | ||
9584 | } | ||
9561 | 9585 | ||
9562 | /* Initialize misc host control in PCI block. */ | 9586 | /* Initialize misc host control in PCI block. */ |
9563 | tp->misc_host_ctrl |= (misc_ctrl_reg & | 9587 | tp->misc_host_ctrl |= (misc_ctrl_reg & |
@@ -10303,7 +10327,14 @@ static int __devinit tg3_test_dma(struct tg3 *tp) | |||
10303 | GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { | 10327 | GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { |
10304 | u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f); | 10328 | u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f); |
10305 | 10329 | ||
10306 | if (ccval == 0x6 || ccval == 0x7) | 10330 | /* If the 5704 is behind the EPB bridge, we can |
10331 | * do the less restrictive ONE_DMA workaround for | ||
10332 | * better performance. | ||
10333 | */ | ||
10334 | if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) && | ||
10335 | GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) | ||
10336 | tp->dma_rwctrl |= 0x8000; | ||
10337 | else if (ccval == 0x6 || ccval == 0x7) | ||
10307 | tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA; | 10338 | tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA; |
10308 | 10339 | ||
10309 | /* Set bit 23 to enable PCIX hw bug fix */ | 10340 | /* Set bit 23 to enable PCIX hw bug fix */ |
@@ -10759,19 +10790,20 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, | |||
10759 | goto err_out_iounmap; | 10790 | goto err_out_iounmap; |
10760 | } | 10791 | } |
10761 | 10792 | ||
10762 | /* 5714, 5715 and 5780 cannot support DMA addresses > 40-bit. | 10793 | /* The EPB bridge inside 5714, 5715, and 5780 and any |
10794 | * device behind the EPB cannot support DMA addresses > 40-bit. | ||
10763 | * On 64-bit systems with IOMMU, use 40-bit dma_mask. | 10795 | * On 64-bit systems with IOMMU, use 40-bit dma_mask. |
10764 | * On 64-bit systems without IOMMU, use 64-bit dma_mask and | 10796 | * On 64-bit systems without IOMMU, use 64-bit dma_mask and |
10765 | * do DMA address check in tg3_start_xmit(). | 10797 | * do DMA address check in tg3_start_xmit(). |
10766 | */ | 10798 | */ |
10767 | if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) { | 10799 | if (tp->tg3_flags2 & TG3_FLG2_IS_5788) |
10800 | persist_dma_mask = dma_mask = DMA_32BIT_MASK; | ||
10801 | else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) { | ||
10768 | persist_dma_mask = dma_mask = DMA_40BIT_MASK; | 10802 | persist_dma_mask = dma_mask = DMA_40BIT_MASK; |
10769 | #ifdef CONFIG_HIGHMEM | 10803 | #ifdef CONFIG_HIGHMEM |
10770 | dma_mask = DMA_64BIT_MASK; | 10804 | dma_mask = DMA_64BIT_MASK; |
10771 | #endif | 10805 | #endif |
10772 | } else if (tp->tg3_flags2 & TG3_FLG2_IS_5788) | 10806 | } else |
10773 | persist_dma_mask = dma_mask = DMA_32BIT_MASK; | ||
10774 | else | ||
10775 | persist_dma_mask = dma_mask = DMA_64BIT_MASK; | 10807 | persist_dma_mask = dma_mask = DMA_64BIT_MASK; |
10776 | 10808 | ||
10777 | /* Configure DMA attributes. */ | 10809 | /* Configure DMA attributes. */ |
@@ -10908,8 +10940,10 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, | |||
10908 | (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0, | 10940 | (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0, |
10909 | (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0, | 10941 | (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0, |
10910 | (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0); | 10942 | (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0); |
10911 | printk(KERN_INFO "%s: dma_rwctrl[%08x]\n", | 10943 | printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n", |
10912 | dev->name, tp->dma_rwctrl); | 10944 | dev->name, tp->dma_rwctrl, |
10945 | (pdev->dma_mask == DMA_32BIT_MASK) ? 32 : | ||
10946 | (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64)); | ||
10913 | 10947 | ||
10914 | return 0; | 10948 | return 0; |
10915 | 10949 | ||
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 7f4b7f6ac40d..7e3b613afb29 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h | |||
@@ -2163,6 +2163,7 @@ struct tg3 { | |||
2163 | #define TG3_FLAG_10_100_ONLY 0x01000000 | 2163 | #define TG3_FLAG_10_100_ONLY 0x01000000 |
2164 | #define TG3_FLAG_PAUSE_AUTONEG 0x02000000 | 2164 | #define TG3_FLAG_PAUSE_AUTONEG 0x02000000 |
2165 | #define TG3_FLAG_IN_RESET_TASK 0x04000000 | 2165 | #define TG3_FLAG_IN_RESET_TASK 0x04000000 |
2166 | #define TG3_FLAG_40BIT_DMA_BUG 0x08000000 | ||
2166 | #define TG3_FLAG_BROKEN_CHECKSUMS 0x10000000 | 2167 | #define TG3_FLAG_BROKEN_CHECKSUMS 0x10000000 |
2167 | #define TG3_FLAG_GOT_SERDES_FLOWCTL 0x20000000 | 2168 | #define TG3_FLAG_GOT_SERDES_FLOWCTL 0x20000000 |
2168 | #define TG3_FLAG_SPLIT_MODE 0x40000000 | 2169 | #define TG3_FLAG_SPLIT_MODE 0x40000000 |