diff mbox series

[4/5] hw/hppa: Inform SeaBIOS about fw_cfg port address

Message ID 20200827203517.29404-5-deller@gmx.de
State New
Headers show
Series None | expand

Commit Message

Helge Deller Aug. 27, 2020, 8:35 p.m. UTC 
Signed-off-by: Helge Deller <deller@gmx.de>
---
 hw/hppa/hppa_hardware.h | 3 +--
 hw/hppa/machine.c       | 7 ++++++-
 2 files changed, 7 insertions(+), 3 deletions(-)

--
2.21.3
diff mbox series

Patch

diff --git a/hw/hppa/hppa_hardware.h b/hw/hppa/hppa_hardware.h
index cdb7fa6240..bc258895c9 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 FW_CFG_IO_BASE  0xfffa0000

 #define PORT_SERIAL1    (DINO_UART_HPA + 0x800)
 #define PORT_SERIAL2    (LASI_UART_HPA + 0x800)
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index 4b35afc9d5..2bed49807b 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -69,7 +69,7 @@  static FWCfgState *create_fw_cfg(MachineState *ms)
     FWCfgState *fw_cfg;
     uint64_t val;

-    fw_cfg = fw_cfg_init_mem(QEMU_FW_CFG_IO_BASE, QEMU_FW_CFG_IO_BASE + 4);
+    fw_cfg = fw_cfg_init_mem(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4);
     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, HPPA_MAX_CPUS);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ram_size);
@@ -290,6 +290,9 @@  static void machine_hppa_init(MachineState *machine)

     /* tell firmware how many SMP CPUs to present in inventory table */
     cpu[0]->env.gr[21] = smp_cpus;
+
+    /* tell firmware fw_cfg port */
+    cpu[0]->env.gr[19] = FW_CFG_IO_BASE;
 }

 static void hppa_machine_reset(MachineState *ms)
@@ -317,6 +320,8 @@  static void hppa_machine_reset(MachineState *ms)
     cpu[0]->env.gr[24] = 'c';
     /* gr22/gr23 unused, no initrd while reboot. */
     cpu[0]->env.gr[21] = smp_cpus;
+    /* tell firmware fw_cfg port */
+    cpu[0]->env.gr[19] = FW_CFG_IO_BASE;
 }