[Skiboot] [PATCH v5 3/6] plat/qemu: add support for Power11 platform

[Mahesh Salgaonkar]

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 v5:
- Move the qemu,powernv11 check to if case that enables direct controls.

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           |  5 +++--
 platforms/qemu/qemu.c | 23 +++++++++++++++++++++++
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/core/chip.c b/core/chip.c
index 078f658a29..d8fa99f9bd 100644
--- a/core/chip.c
+++ b/core/chip.c
@@ -182,8 +182,9 @@ void init_chips(void)
 				model_type);
 	}
 	/* Detect Qemu */
-	if (dt_node_is_compatible(dt_root, "qemu,powernv10")) {
-		/* POWER10 has direct controls */
+	if (dt_node_is_compatible(dt_root, "qemu,powernv10") ||
+	    dt_node_is_compatible(dt_root, "qemu,powernv11")) {
+		/* POWER10 and Power11 has direct controls */
 		proc_chip_quirks |= QUIRK_QEMU | QUIRK_NO_RNG;
 		prlog(PR_NOTICE, "CHIP: Detected QEMU simulator\n");
 	} else if (dt_node_is_compatible(dt_root, "qemu,powernv") ||
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