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yaml
---
r: 247226
b: refs/heads/master
c: 5890a3c
h: refs/heads/master
v: v3
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Rafał Miłecki authored and John W. Linville committed Apr 28, 2011
1 parent 8c9c349 commit 6e34dc0
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Showing 2 changed files with 28 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 6e914101d47c76e09b0568d094ef44257dd3d6e9
refs/heads/master: 5890a3ca34aae94dd736557ad8cb898ac2802aa0
35 changes: 27 additions & 8 deletions trunk/drivers/ssb/driver_pcicore.c
Original file line number Diff line number Diff line change
Expand Up @@ -460,16 +460,23 @@ static void ssb_pcicore_pci_setup_workarounds(struct ssb_pcicore *pc)

static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
{
struct ssb_device *pdev = pc->dev;
u32 tmp;
u8 rev = pc->dev->id.revision;

if ((pdev->id.revision == 0) || (pdev->id.revision == 1)) {
if (rev == 0 || rev == 1) {
/* TLP Workaround register. */
tmp = ssb_pcie_read(pc, 0x4);
tmp |= 0x8;
ssb_pcie_write(pc, 0x4, tmp);
}
if (pdev->id.revision == 0) {
if (rev == 1) {
/* DLLP Link Control register. */
tmp = ssb_pcie_read(pc, 0x100);
tmp |= 0x40;
ssb_pcie_write(pc, 0x100, tmp);
}

if (rev == 0) {
const u8 serdes_rx_device = 0x1F;

ssb_pcie_mdio_write(pc, serdes_rx_device,
Expand All @@ -478,11 +485,20 @@ static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
6 /* CDR */, 0x0100);
ssb_pcie_mdio_write(pc, serdes_rx_device,
7 /* CDR BW */, 0x1466);
} else if (pdev->id.revision == 1) {
/* DLLP Link Control register. */
tmp = ssb_pcie_read(pc, 0x100);
tmp |= 0x40;
ssb_pcie_write(pc, 0x100, tmp);
} else if (rev == 3 || rev == 4 || rev == 5) {
/* TODO: DLLP Power Management Threshold */
ssb_pcicore_serdes_workaround(pc);
/* TODO: ASPM */
} else if (rev == 7) {
/* TODO: No PLL down */
}

if (rev >= 6) {
/* Miscellaneous Configuration Fixup */
tmp = pcicore_read16(pc, SSB_PCICORE_SPROM(5));
if (!(tmp & 0x8000))
pcicore_write16(pc, SSB_PCICORE_SPROM(5),
tmp | 0x8000);
}
}

Expand Down Expand Up @@ -513,7 +529,10 @@ void ssb_pcicore_init(struct ssb_pcicore *pc)
if (!pc->hostmode)
ssb_pcicore_init_clientmode(pc);

/* Additional always once-executed workarounds */
ssb_pcicore_serdes_workaround(pc);
/* TODO: ASPM */
/* TODO: Clock Request Update */
}

static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address)
Expand Down

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