OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

platform/x86: intel_pmc_core: Add ICL platform support 

Icelake can resue most of the CNL PCH IPs as they are mostly similar.
This patch enables the PMC Core driver for ICL family.

It also addresses few other minor issues like upper case conversions and
some tab alignments.

Cc: "David E. Box" <david.e.box@intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-and-tested-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
This commit is contained in:
Rajneesh Bhardwaj 2019-02-14 17:27:10 +05:30 committed by Darren Hart (VMware)
parent cfb55af9ad
commit 6769fdbe27
2 changed files with 49 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
drivers/platform/x86/intel_pmc_core.c
View File

@ -166,25 +166,26 @@ static const struct pmc_bit_map cnp_pfear_map[] = {
{"SDX", BIT(4)},
{"SPE", BIT(5)},
{"Fuse", BIT(6)},
{"Res_23", BIT(7)},
/* Reserved for Cannonlake but valid for Icelake */
{"SBR8", BIT(7)},
{"CSME_FSC", BIT(0)},
{"USB3_OTG", BIT(1)},
{"EXI", BIT(2)},
{"CSE", BIT(3)},
{"csme_kvm", BIT(4)},
{"csme_pmt", BIT(5)},
{"csme_clink", BIT(6)},
{"csme_ptio", BIT(7)},
{"CSME_KVM", BIT(4)},
{"CSME_PMT", BIT(5)},
{"CSME_CLINK", BIT(6)},
{"CSME_PTIO", BIT(7)},
{"csme_usbr", BIT(0)},
{"csme_susram", BIT(1)},
{"csme_smt1", BIT(2)},
{"CSME_USBR", BIT(0)},
{"CSME_SUSRAM", BIT(1)},
{"CSME_SMT1", BIT(2)},
{"CSME_SMT4", BIT(3)},
{"csme_sms2", BIT(4)},
{"csme_sms1", BIT(5)},
{"csme_rtc", BIT(6)},
{"csme_psf", BIT(7)},
{"CSME_SMS2", BIT(4)},
{"CSME_SMS1", BIT(5)},
{"CSME_RTC", BIT(6)},
{"CSME_PSF", BIT(7)},
{"SBR0", BIT(0)},
{"SBR1", BIT(1)},
@ -209,6 +210,20 @@ static const struct pmc_bit_map cnp_pfear_map[] = {
{"HDA_PGD4", BIT(2)},
{"HDA_PGD5", BIT(3)},
{"HDA_PGD6", BIT(4)},
/* Reserved for Cannonlake but valid for Icelake */
{"PSF6", BIT(5)},
{"PSF7", BIT(6)},
{"PSF8", BIT(7)},
/* Icelake generation onwards only */
{"RES_65", BIT(0)},
{"RES_66", BIT(1)},
{"RES_67", BIT(2)},
{"TAM", BIT(3)},
{"GBETSN", BIT(4)},
{"TBTLSX", BIT(5)},
{"RES_71", BIT(6)},
{"RES_72", BIT(7)},
{}
};
@ -290,6 +305,8 @@ static const struct pmc_bit_map cnp_ltr_show_map[] = {
{"ISH", CNP_PMC_LTR_ISH},
{"UFSX2", CNP_PMC_LTR_UFSX2},
{"EMMC", CNP_PMC_LTR_EMMC},
/* Reserved for Cannonlake but valid for Icelake */
{"WIGIG", ICL_PMC_LTR_WIGIG},
/* Below two cannot be used for LTR_IGNORE */
{"CURRENT_PLATFORM", CNP_PMC_LTR_CUR_PLT},
{"AGGREGATED_SYSTEM", CNP_PMC_LTR_CUR_ASLT},
@ -311,6 +328,21 @@ static const struct pmc_reg_map cnp_reg_map = {
.ltr_ignore_max = CNP_NUM_IP_IGN_ALLOWED,
};
static const struct pmc_reg_map icl_reg_map = {
.pfear_sts = cnp_pfear_map,
.slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET,
.slps0_dbg_maps = cnp_slps0_dbg_maps,
.ltr_show_sts = cnp_ltr_show_map,
.slps0_dbg_offset = CNP_PMC_SLPS0_DBG_OFFSET,
.ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET,
.regmap_length = CNP_PMC_MMIO_REG_LEN,
.ppfear0_offset = CNP_PMC_HOST_PPFEAR0A,
.ppfear_buckets = ICL_PPFEAR_NUM_ENTRIES,
.pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET,
.pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT,
.ltr_ignore_max = ICL_NUM_IP_IGN_ALLOWED,
};
static inline u8 pmc_core_reg_read_byte(struct pmc_dev *pmcdev, int offset)
{
return readb(pmcdev->regbase + offset);
@ -740,6 +772,7 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
INTEL_CPU_FAM6(KABYLAKE_MOBILE, spt_reg_map),
INTEL_CPU_FAM6(KABYLAKE_DESKTOP, spt_reg_map),
INTEL_CPU_FAM6(CANNONLAKE_MOBILE, cnp_reg_map),
INTEL_CPU_FAM6(ICELAKE_MOBILE, icl_reg_map),
{}
};

4
drivers/platform/x86/intel_pmc_core.h
View File

@ -178,6 +178,10 @@ enum ppfear_regs {
#define LTR_REQ_SNOOP BIT(15)
#define LTR_REQ_NONSNOOP BIT(31)
#define ICL_PPFEAR_NUM_ENTRIES 9
#define ICL_NUM_IP_IGN_ALLOWED 20
#define ICL_PMC_LTR_WIGIG 0x1BFC
struct pmc_bit_map {
const char *name;
u32 bit_mask;