[Skiboot] [PATCH v4 3/6] plat/qemu: add support for Power11 platform
Mahesh Salgaonkar
mahesh at linux.ibm.com
Fri Feb 21 05:25:29 AEDT 2025
From: Aditya Gupta <adityag at linux.ibm.com>
Add support for QEMU simulator for Power11 when it starts supporting
"qemu,powernv11" machines.
Signed-off-by: Aditya Gupta <adityag at linux.ibm.com>
Signed-off-by: Mahesh Salgaonkar <mahesh at linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin at gmail.com>
---
Change in v4:
- Moved psi.c and xscom.c hunks to patch 1
Change in v3:
- Add helper function to get proc_gen number
- Print unknown processor detected in case of -ve proc_gen number
---
core/chip.c | 1 +
platforms/qemu/qemu.c | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/core/chip.c b/core/chip.c
index 078f658a29..2df35f3ff6 100644
--- a/core/chip.c
+++ b/core/chip.c
@@ -189,6 +189,7 @@ void init_chips(void)
} else if (dt_node_is_compatible(dt_root, "qemu,powernv") ||
dt_node_is_compatible(dt_root, "qemu,powernv8") ||
dt_node_is_compatible(dt_root, "qemu,powernv9") ||
+ dt_node_is_compatible(dt_root, "qemu,powernv11") ||
dt_find_by_path(dt_root, "/qemu")) {
proc_chip_quirks |= QUIRK_QEMU | QUIRK_NO_DIRECT_CTL | QUIRK_NO_RNG;
prlog(PR_NOTICE, "CHIP: Detected QEMU simulator\n");
diff --git a/platforms/qemu/qemu.c b/platforms/qemu/qemu.c
index 0f6e089fa7..c6c6a50072 100644
--- a/platforms/qemu/qemu.c
+++ b/platforms/qemu/qemu.c
@@ -76,6 +76,11 @@ static bool qemu_probe_powernv10(void)
return qemu_probe_common("qemu,powernv10");
}
+static bool qemu_probe_powernv11(void)
+{
+ return qemu_probe_common("qemu,powernv11");
+}
+
static void qemu_init(void)
{
if (!bt_device_present) {
@@ -156,3 +161,21 @@ DECLARE_PLATFORM(qemu_powernv10) = {
.exit = astbmc_exit,
.terminate = ipmi_terminate,
};
+
+/*
+ * For a QEMU PowerNV machine using Power11 CPUs
+ */
+DECLARE_PLATFORM(qemu_powernv11) = {
+ .name = "QEMU Power11",
+ .probe = qemu_probe_powernv11,
+ .bmc = &bmc_plat_ast2600_openbmc,
+ .init = qemu_init,
+ .external_irq = astbmc_ext_irq_serirq_cpld,
+ .cec_power_down = astbmc_ipmi_power_down,
+ .cec_reboot = astbmc_ipmi_reboot,
+ .pci_get_slot_info = slot_table_get_slot_info,
+ .start_preload_resource = flash_start_preload_resource,
+ .resource_loaded = flash_resource_loaded,
+ .exit = astbmc_exit,
+ .terminate = ipmi_terminate,
+};
--
2.48.1
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