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Tue, 15 Dec 2020 06:46:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mymailcheap.com; s=default; t=1608014803; bh=Mg/jh/NtAg4BAIaA2cE74QFzPqb6n/LIT/mGYdacmF4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SwlYPTVLSE/nnFz/y4cY/DQFhsByde7zrzM3nX0pYHb01WBIuiwpAA6Ag0E/nf7lJ QRSo9og/I3tv2yZBt/JWtrhqrBWdeXZEYCH45owrIeB8apoP1eW1YdZR64Sl1wqVVR VGmKuKfbrCGjEbJWJnhVJ4EIRfJMNSAnSBVHKWMk= X-Virus-Scanned: Debian amavisd-new at filter1.mymailcheap.com Authentication-Results: mail20.mymailcheap.com; dkim=pass (1024-bit key; unprotected) header.d=flygoat.com header.i=@flygoat.com header.b="PXi8Wgzw"; dkim-atps=neutral AI-Spam-Status: Not processed DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=flygoat.com; s=default; t=1608014798; bh=Mg/jh/NtAg4BAIaA2cE74QFzPqb6n/LIT/mGYdacmF4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PXi8WgzwEQsXeLddkL5G/Qp78BgYsUEDU5jFGtayYgO9rCqWWjwarM0RzvJ2CsU0e ZPp6yL9r/e/ENmWubIyzmzfyxfpV5X5aaStvpUfKQkZQ0vzBcQtAlFE+qrTRJlyD4L +EhjdBTHLKYiQ81M8YITv+th9NnGhiTk8AOjWsIw= From: Jiaxun Yang To: qemu-devel@nongnu.org Subject: [PATCH v2 8/8] hw/mips/boston: Use bootloader helper to set GCRs Date: Tue, 15 Dec 2020 14:46:31 +0800 Message-Id: <20201215064631.30504-1-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201215064200.28751-1-jiaxun.yang@flygoat.com> References: <20201215064200.28751-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: mail20.mymailcheap.com X-Spamd-Result: default: False [4.90 / 10.00]; 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helo=relay2.mymailcheap.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_SORBS_WEB=1.5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jiaxun Yang , chenhuacai@kernel.org, f4bug@amsat.org, paulburton@kernel.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (found 2 invalid signatures) Content-Type: text/plain; charset="utf-8" Translate embedded assembly into IO writes which is more readable. Also hardcode cm_base at boot time instead of reading from CP0. Signed-off-by: Jiaxun Yang Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/mips/boston.c | 45 ++++++++++++--------------------------------- 1 file changed, 12 insertions(+), 33 deletions(-) diff --git a/hw/mips/boston.c b/hw/mips/boston.c index b622222c7d..9f08aa7285 100644 --- a/hw/mips/boston.c +++ b/hw/mips/boston.c @@ -281,42 +281,21 @@ static void gen_firmware(uint32_t *p, hwaddr kernel_e= ntry, hwaddr fdt_addr, const uint32_t gic_base =3D 0x16120000; const uint32_t cpc_base =3D 0x16200000; =20 - /* Move CM GCRs */ if (is_64b) { - stl_p(p++, 0x40287803); /* dmfc0 $8, CMGCRBase */ - stl_p(p++, 0x00084138); /* dsll $8, $8, 4 */ + bl_gen_write_u64(&p, cm_base, + cpu_mips_phys_to_kseg1(NULL, GCR_BASE_ADDR + GCR_BASE_= OFS)); + bl_gen_write_u64(&p, gic_base | GCR_GIC_BASE_GICEN_MSK, + cpu_mips_phys_to_kseg1(NULL, cm_base + GCR_GIC_BASE_OF= S)); + bl_gen_write_u64(&p, cpc_base | GCR_CPC_BASE_CPCEN_MSK, + cpu_mips_phys_to_kseg1(NULL, cm_base + GCR_CPC_BASE_OF= S)); } else { - stl_p(p++, 0x40087803); /* mfc0 $8, CMGCRBase */ - stl_p(p++, 0x00084100); /* sll $8, $8, 4 */ + bl_gen_write_u32(&p, cm_base, + cpu_mips_phys_to_kseg1(NULL, GCR_BASE_ADDR + GCR_BASE_= OFS)); + bl_gen_write_u32(&p, gic_base | GCR_GIC_BASE_GICEN_MSK, + cpu_mips_phys_to_kseg1(NULL, cm_base + GCR_GIC_BASE_OF= S)); + bl_gen_write_u32(&p, cpc_base | GCR_CPC_BASE_CPCEN_MSK, + cpu_mips_phys_to_kseg1(NULL, cm_base + GCR_CPC_BASE_OF= S)); } - stl_p(p++, 0x3c09a000); /* lui $9, 0xa000 */ - stl_p(p++, 0x01094025); /* or $8, $9 */ - stl_p(p++, 0x3c0a0000 | (cm_base >> 16)); /* lui $10, cm_base >> 16= */ - if (is_64b) { - stl_p(p++, 0xfd0a0008); /* sd $10, 0x8($8) */ - } else { - stl_p(p++, 0xad0a0008); /* sw $10, 0x8($8) */ - } - stl_p(p++, 0x012a4025); /* or $8, $10 */ - - /* Move & enable GIC GCRs */ - stl_p(p++, 0x3c090000 | (gic_base >> 16)); /* lui $9, gic_base >> 16= */ - stl_p(p++, 0x35290001); /* ori $9, 0x1 */ - if (is_64b) { - stl_p(p++, 0xfd090080); /* sd $9, 0x80($8) */ - } else { - stl_p(p++, 0xad090080); /* sw $9, 0x80($8) */ - } - - /* Move & enable CPC GCRs */ - stl_p(p++, 0x3c090000 | (cpc_base >> 16)); /* lui $9, cpc_base >> 16= */ - stl_p(p++, 0x35290001); /* ori $9, 0x1 */ - if (is_64b) { - stl_p(p++, 0xfd090088); /* sd $9, 0x88($8) */ - } else { - stl_p(p++, 0xad090088); /* sw $9, 0x88($8) */ - } - /* * Setup argument registers to follow the UHI boot protocol: * --=20 2.29.2