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[217.237.127.109]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9e5664350esm424328866b.159.2024.11.03.05.34.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Nov 2024 05:34:54 -0800 (PST) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: Jason Wang , qemu-ppc@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Paolo Bonzini , Hanna Reitz , Nicholas Piggin , Corey Minyard , Kevin Wolf , Bin Meng , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Bernhard Beschow , qemu-block@nongnu.org, Alex Williamson , Daniel Henrique Barboza , BALATON Zoltan Subject: [PATCH v4 10/26] hw/ppc/mpc8544_guts: Populate POR PLL ratio status register Date: Sun, 3 Nov 2024 14:33:56 +0100 Message-ID: <20241103133412.73536-11-shentey@gmail.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241103133412.73536-1-shentey@gmail.com> References: <20241103133412.73536-1-shentey@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::62c; envelope-from=shentey@gmail.com; helo=mail-ej1-x62c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Populate this read-only register with some arbitrary values which avoids U-Boot's get_clocks() to hang(). Reviewed-by: BALATON Zoltan Signed-off-by: Bernhard Beschow --- hw/ppc/mpc8544_guts.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/hw/ppc/mpc8544_guts.c b/hw/ppc/mpc8544_guts.c index e3540b0281..c02b34ccde 100644 --- a/hw/ppc/mpc8544_guts.c +++ b/hw/ppc/mpc8544_guts.c @@ -29,6 +29,12 @@ #define MPC8544_GUTS_RSTCR_RESET 0x02 #define MPC8544_GUTS_ADDR_PORPLLSR 0x00 +REG32(GUTS_PORPLLSR, 0x00) + FIELD(GUTS_PORPLLSR, E500_1_RATIO, 24, 6) + FIELD(GUTS_PORPLLSR, E500_0_RATIO, 16, 6) + FIELD(GUTS_PORPLLSR, DDR_RATIO, 9, 5) + FIELD(GUTS_PORPLLSR, PLAT_RATIO, 1, 5) + #define MPC8544_GUTS_ADDR_PORBMSR 0x04 #define MPC8544_GUTS_ADDR_PORIMPSCR 0x08 #define MPC8544_GUTS_ADDR_PORDEVSR 0x0C @@ -75,6 +81,12 @@ static uint64_t mpc8544_guts_read(void *opaque, hwaddr addr, addr &= MPC8544_GUTS_MMIO_SIZE - 1; switch (addr) { + case MPC8544_GUTS_ADDR_PORPLLSR: + value = FIELD_DP32(value, GUTS_PORPLLSR, E500_1_RATIO, 6); /* 3:1 */ + value = FIELD_DP32(value, GUTS_PORPLLSR, E500_0_RATIO, 6); /* 3:1 */ + value = FIELD_DP32(value, GUTS_PORPLLSR, DDR_RATIO, 12); /* 12:1 */ + value = FIELD_DP32(value, GUTS_PORPLLSR, PLAT_RATIO, 6); /* 6:1 */ + break; case MPC8544_GUTS_ADDR_PVR: value = env->spr[SPR_PVR]; break; -- 2.47.0