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PCIe: Revise L1 Sub-State support 

BRANCH=None
BUG=None
TEST=Confirmed build pass only
Signed-off-by: Kenji Chen <kenji.chen@intel.com>

Change-Id: Ic0e845436614e63ad5ace7fb74400f7ea295571c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: d3670b92e40d8757a48add6116a0edcec18074d8
Original-Change-Id: I5e029b0f82a771149d4c6127e30b9062e8eaba89
Original-Reviewed-on: https://chromium-review.googlesource.com/244514
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Original-Commit-Queue: Kenji Chen <kenji.chen@intel.com>
Original-Tested-by: Kenji Chen <kenji.chen@intel.com>
Reviewed-on: http://review.coreboot.org/8833
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Kenji Chen 2015-01-30 13:57:42 +08:00 committed by Patrick Georgi
parent 31c6e632cf
commit a874a7c26f
1 changed files with 2 additions and 5 deletions
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7
src/device/pciexp_device.c
View File

@ -241,20 +241,17 @@ static void pciexp_L1_substate_commit(device_t root, device_t dev,
pcie_update_cfg(root, root_cap + 0x08, ~0xe3ff0000, pcie_update_cfg(root, root_cap + 0x08, ~0xe3ff0000,
(1 << 21) | (1 << 23) | (1 << 30)); (1 << 21) | (1 << 23) | (1 << 30));
pcie_update_cfg(root, root_cap + 0x08, ~0xf, pcie_update_cfg(root, root_cap + 0x08, ~0x1f,
L1SubStateSupport); L1SubStateSupport);
for (dev_t = dev; dev_t; dev_t = dev_t->sibling) { for (dev_t = dev; dev_t; dev_t = dev_t->sibling) {
pcie_update_cfg(dev_t, end_cap + 0x08, ~0xff00,
(comm_mode_rst_time << 8));
pcie_update_cfg(dev_t, end_cap + 0x0c , 0xffffff04, pcie_update_cfg(dev_t, end_cap + 0x0c , 0xffffff04,
(endp_power_on_value << 3) | (power_on_scale)); (endp_power_on_value << 3) | (power_on_scale));
pcie_update_cfg(dev_t, end_cap + 0x08, ~0xe3ff0000, pcie_update_cfg(dev_t, end_cap + 0x08, ~0xe3ff0000,
(1 << 21) | (1 << 23) | (1 << 30)); (1 << 21) | (1 << 23) | (1 << 30));
pcie_update_cfg(dev_t, end_cap + 0x08, ~0xf, pcie_update_cfg(dev_t, end_cap + 0x08, ~0x1f,
L1SubStateSupport); L1SubStateSupport);
pciexp_enable_ltr(dev_t); pciexp_enable_ltr(dev_t);