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authorShaunak Saha <shaunak.saha@intel.com>2015-09-10 15:55:16 -0700
committerMartin Roth <martinroth@google.com>2016-01-19 04:29:59 +0100
commitd5fd2dddde538362c965ddab5c17a3404317694c (patch)
treeee1515ca8ab174bfef928e050e1f0409038203ee /src/soc/intel/braswell
parent1ed16593670ee5bf165a65ac4bc1fc9e996c4628 (diff)
downloadcoreboot-d5fd2dddde538362c965ddab5c17a3404317694c.tar.xz
soc/braswell: Remove the unneccessary functions from pcie.c
Functions in file pcie.c is not needed. TEST=Boot and test wifi and video playback Original-Reviewed-on: https://chromium-review.googlesource.com/298965 Original-Tested-by: Hannah Williams <hannah.williams@intel.com> Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Change-Id: I70337c0fc61c221330836ef17f6cefea8c5f0f11 Signed-off-by: Shaunak Saha <shaunak.saha@intel.com> Reviewed-on: https://review.coreboot.org/12737 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/soc/intel/braswell')
-rw-r--r--src/soc/intel/braswell/pcie.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/src/soc/intel/braswell/pcie.c b/src/soc/intel/braswell/pcie.c
index 19b9c43ed8..1d70eb06c6 100644
--- a/src/soc/intel/braswell/pcie.c
+++ b/src/soc/intel/braswell/pcie.c
@@ -39,91 +39,10 @@ static inline int is_first_port(device_t dev)
return root_port_offset(dev) == PCIE_PORT1_FUNC;
}
-static const struct reg_script init_static_before_exit_latency[] = {
- /* Disable optimized buffer flush fill and latency tolerant reporting */
- REG_PCI_RMW32(DCAP2, ~(OBFFS | LTRMS), 0),
- REG_PCI_RMW32(DSTS2, ~(OBFFEN | LTRME), 0),
- /* Set maximum payload size. */
- REG_PCI_RMW32(DCAP, ~MPS_MASK, 0),
- /*
- * Disable transmit datapath flush timer, clear transmit config change
- * wait time, clear sideband interface idle counter.
- */
- REG_PCI_RMW32(PHYCTL2_IOSFBCTL, ~(TDFT | TXCFGCHWAIT | SIID), 0),
- REG_SCRIPT_END,
-};
-
-static const struct reg_script init_static_after_exit_latency[] = {
- /* Set common clock configuration. */
- REG_PCI_OR16(LCTL, CCC),
- /* Set NFTS to 0x743a361b */
- REG_PCI_WRITE32(NFTS, 0x743a361b),
- /* Set common clock latency to 0x3 */
- REG_PCI_RMW32(MPC, ~CCEL_MASK, (0x3 << CCEL_SHIFT)),
- /* Set relay timer policy. */
- REG_PCI_RMW32(RTP, 0xff000000, 0x854c74),
- /* Set IOSF packet fast transmit mode and link speed training policy. */
- REG_PCI_OR16(MPC2, IPF | LSTP),
- /*
- * Channel configuration - enable upstream posted split, set non-posted
- * and posted request size
- */
- REG_PCI_RMW32(CHCFG, ~UPSD, UNRS | UPRS),
- /* Completion status replay enable and set TLP grant count */
- REG_PCI_RMW32(CFG2, ~(LATGC_MASK), CSREN | (3 << LATGC_SHIFT)),
- /* Assume no IOAPIC behind root port -- disable EOI forwarding. */
- REG_PCI_OR16(MPC2, EOIFD),
- /* Expose AER */
- REG_PCI_RMW32(AERCH, ~0, (1 << 16) | (1 << 0)),
- /* set completion timeout to 160ms to 170ms */
- REG_PCI_RMW16(DSTS2, ~CTD, 0x6),
- /* Enable AER */
- REG_PCI_OR16(DCTL_DSTS, URE | FEE | NFE | CEE),
- /* Read and write back capabaility registers. */
- REG_PCI_OR32(0x34, 0),
- REG_PCI_OR32(0x80, 0),
- /* Retrain the link. */
- REG_PCI_OR16(LCTL, RL),
- REG_SCRIPT_END,
-};
-
static void pcie_init(device_t dev)
{
- struct reg_script init_script[] = {
- REG_SCRIPT_NEXT(init_static_before_exit_latency),
- /*
- * Exit latency configuration based on
- * PHYCTL2_IOSFBCTL[PLL_OFF_EN] set in root port 1
- */
- REG_PCI_RMW32(LCAP, ~L1EXIT_MASK,
- 2 << (L1EXIT_MASK + pll_en_off)),
- REG_SCRIPT_NEXT(init_static_after_exit_latency),
- /* Disable hot plug, set power to 10W, set slot number. */
- REG_PCI_RMW32(SLCAP, ~(HPC | HPS),
- (1 << SLS_SHIFT) | (100 << SLV_SHIFT) |
- (root_port_offset(dev) << SLN_SHIFT)),
- /* Dynamic clock gating. */
- REG_PCI_OR32(RPPGEN, RPDLCGEN | RPDBCGEN | RPSCGEN),
- REG_PCI_OR32(PWRCTL, RPL1SQPOL | RPDTSQPOL),
- REG_PCI_OR32(PCIEDBG, SPCE),
- REG_SCRIPT_END,
- };
-
printk(BIOS_SPEW, "%s/%s ( %s )\n",
__FILE__, __func__, dev_name(dev));
-
- reg_script_run_on_dev(dev, init_script);
-
- if (is_first_port(dev)) {
- struct soc_intel_braswell_config *config = dev->chip_info;
- uint32_t reg = pci_read_config32(dev, RPPGEN);
- reg |= SRDLCGEN | SRDBCGEN;
-
- if (config && config->clkreq_enable)
- reg |= LCLKREQEN | BBCLKREQEN;
-
- pci_write_config32(dev, RPPGEN, reg);
- }
}
static const struct reg_script no_dev_behind_port[] = {