GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Shaunak Saha 2015-09-10 15:55:16 -07:00 committed by Martin Roth
parent 1ed1659367
commit d5fd2dddde
1 changed files with 0 additions and 81 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

81
src/soc/intel/braswell/pcie.c
View File

@ -39,91 +39,10 @@ static inline int is_first_port(device_t dev)
return root_port_offset(dev) == PCIE_PORT1_FUNC; 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) 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", printk(BIOS_SPEW, "%s/%s ( %s )\n",
__FILE__, __func__, dev_name(dev)); __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[] = { static const struct reg_script no_dev_behind_port[] = {