linux-kernel - [PATCH v4 09/11] powerpc: espresso processor support

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Message-Id: <20221119113041.284419-10-ash@heyquark.com>
Date:   Sat, 19 Nov 2022 22:30:39 +1100
From:   Ash Logan <ash@...quark.com>
To:     krzysztof.kozlowski+dt@...aro.org, paulus@...ba.org,
        mpe@...erman.id.au, christophe.leroy@...roup.eu,
        robh+dt@...nel.org, benh@...nel.crashing.org,
        segher@...nel.crashing.org, pali@...nel.org
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        j.ne@...teo.net, linkmauve@...kmauve.fr,
        rw-r-r-0644@...tonmail.com, devicetree@...r.kernel.org,
        joel@....id.au
Subject: [PATCH v4 09/11] powerpc: espresso processor support

Adds a cputable entry for the "Espresso" processor found on the Nintendo
Wii U, which has a PVR unrelated to other 750CL-like chips.
Only this revision has been seen in the wild.

Signed-off-by: Roberto Van Eeden <rw-r-r-0644@...tonmail.com>
Signed-off-by: Ash Logan <ash@...quark.com>
---
v3->v4: Move to new cpu_specs_*.h file.

 arch/powerpc/kernel/cpu_specs_book3s_32.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/powerpc/kernel/cpu_specs_book3s_32.h b/arch/powerpc/kernel/cpu_specs_book3s_32.h
index 3714634d194a..c3cc0a019ba8 100644
--- a/arch/powerpc/kernel/cpu_specs_book3s_32.h
+++ b/arch/powerpc/kernel/cpu_specs_book3s_32.h
@@ -275,6 +275,21 @@ static struct cpu_spec cpu_specs[] __initdata = {
 		.machine_check		= machine_check_generic,
 		.platform		= "ppc750",
 	},
+	{	/* "Espresso" (750CL-like) */
+		.pvr_mask		= 0xffffffff,
+		.pvr_value		= 0x70010201,
+		.cpu_name		= "Espresso",
+		.cpu_features		= CPU_FTRS_750CL,
+		.cpu_user_features	= COMMON_USER | PPC_FEATURE_PPC_LE,
+		.mmu_features		= MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 32,
+		.num_pmcs		= 4,
+		.pmc_type		= PPC_PMC_IBM,
+		.cpu_setup		= __setup_cpu_750,
+		.machine_check		= machine_check_generic,
+		.platform		= "ppc750",
+	},
 	{	/* 745/755 */
 		.pvr_mask		= 0xfffff000,
 		.pvr_value		= 0x00083000,
-- 
2.38.1