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powerpc/64s: Remove POWER9 DD1 support

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POWER9 DD1 was never a product. It is no longer supported by upstream
firmware, and it is not effectively supported in Linux due to lack of
testing.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
[mpe: Remove arch_make_huge_pte() entirely]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin
2018-07-05 18:47:00 +10:00
committed by Michael Ellerman
parent ce397d215c
commit 2bf1071a8d
32 changed files with 65 additions and 532 deletions
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41
drivers/misc/cxl/pci.c
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@@ -465,23 +465,21 @@ int cxl_get_xsl9_dsnctl(struct pci_dev *dev, u64 capp_unit_id, u64 *reg)
/* nMMU_ID Defaults to: b’000001001’*/
xsl_dsnctl |= ((u64)0x09 << (63-28));
if (!(cxl_is_power9_dd1())) {
/*
* Used to identify CAPI packets which should be sorted into
* the Non-Blocking queues by the PHB. This field should match
* the PHB PBL_NBW_CMPM register
* nbwind=0x03, bits [57:58], must include capi indicator.
* Not supported on P9 DD1.
*/
xsl_dsnctl |= (nbwind << (63-55));
/*
* Used to identify CAPI packets which should be sorted into
* the Non-Blocking queues by the PHB. This field should match
* the PHB PBL_NBW_CMPM register
* nbwind=0x03, bits [57:58], must include capi indicator.
* Not supported on P9 DD1.
*/
xsl_dsnctl |= (nbwind << (63-55));
/*
* Upper 16b address bits of ASB_Notify messages sent to the
* system. Need to match the PHB’s ASN Compare/Mask Register.
* Not supported on P9 DD1.
*/
xsl_dsnctl |= asnind;
}
/*
* Upper 16b address bits of ASB_Notify messages sent to the
* system. Need to match the PHB’s ASN Compare/Mask Register.
* Not supported on P9 DD1.
*/
xsl_dsnctl |= asnind;
*reg = xsl_dsnctl;
return 0;
@@ -539,15 +537,8 @@ static int init_implementation_adapter_regs_psl9(struct cxl *adapter,
/* Snoop machines */
cxl_p1_write(adapter, CXL_PSL9_APCDEDALLOC, 0x800F000200000000ULL);
if (cxl_is_power9_dd1()) {
/* Disabling deadlock counter CAR */
cxl_p1_write(adapter, CXL_PSL9_GP_CT, 0x0020000000000001ULL);
/* Enable NORST */
cxl_p1_write(adapter, CXL_PSL9_DEBUG, 0x8000000000000000ULL);
} else {
/* Enable NORST and DD2 features */
cxl_p1_write(adapter, CXL_PSL9_DEBUG, 0xC000000000000000ULL);
}
/* Enable NORST and DD2 features */
cxl_p1_write(adapter, CXL_PSL9_DEBUG, 0xC000000000000000ULL);
/*
* Check if PSL has data-cache. We need to flush adapter datacache