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envelope-from=deller@gmx.de; helo=mout.gmx.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/02 15:35:05 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Helge Deller , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Devices on hppa occupy at least 4k starting at the HPA, so MEMORY_HPA+4k is blocked (by Linux) for the memory module. I noticed this when testing the new Linux kernel patch to let the fw_cfg entries show up in Linux under /proc. The Linux kernel driver could not allocate the region for fw_cfg. This new base address seems to not conflict. Signed-off-by: Helge Deller --- hw/hppa/hppa_hardware.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) -- 2.21.3 diff --git a/hw/hppa/hppa_hardware.h b/hw/hppa/hppa_hardware.h index cdb7fa6240..b2fbbc2eec 100644 --- a/hw/hppa/hppa_hardware.h +++ b/hw/hppa/hppa_hardware.h @@ -38,8 +38,7 @@ #define PORT_PCI_CMD (PCI_HPA + DINO_PCI_ADDR) #define PORT_PCI_DATA (PCI_HPA + DINO_CONFIG_DATA) -/* QEMU fw_cfg interface port */ -#define QEMU_FW_CFG_IO_BASE (MEMORY_HPA + 0x80) +#define QEMU_FW_CFG_IO_BASE 0xfffa0000 #define PORT_SERIAL1 (DINO_UART_HPA + 0x800) #define PORT_SERIAL2 (LASI_UART_HPA + 0x800)