[PATCH 3/4] arm: qemu: Enable the debug UART

Simon Glass sjg at chromium.org
Wed Nov 3 14:16:07 CET 2021


Enable this to permit early debugging. Due to the way qmeu works, the
input clock can be zero and things still work.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 configs/qemu_arm64_defconfig | 5 +++++
 configs/qemu_arm_defconfig   | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/configs/qemu_arm64_defconfig b/configs/qemu_arm64_defconfig
index 003717efde2..3f205e0f824 100644
--- a/configs/qemu_arm64_defconfig
+++ b/configs/qemu_arm64_defconfig
@@ -5,6 +5,9 @@ CONFIG_SYS_MALLOC_LEN=0x1000000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x40000
 CONFIG_ENV_SECT_SIZE=0x40000
+CONFIG_DEBUG_UART_BASE=0x9000000
+CONFIG_DEBUG_UART_CLOCK=0
+CONFIG_DEBUG_UART=y
 CONFIG_AHCI=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SYS_LOAD_ADDR=0x40200000
@@ -47,6 +50,8 @@ CONFIG_PCI=y
 CONFIG_PCIE_ECAM_GENERIC=y
 CONFIG_SCSI=y
 CONFIG_DM_SCSI=y
+CONFIG_DEBUG_UART_PL011=y
+CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYSRESET=y
 CONFIG_SYSRESET_PSCI=y
 CONFIG_USB=y
diff --git a/configs/qemu_arm_defconfig b/configs/qemu_arm_defconfig
index 27b0e49f6f8..e64e2be0192 100644
--- a/configs/qemu_arm_defconfig
+++ b/configs/qemu_arm_defconfig
@@ -6,7 +6,10 @@ CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x40000
 CONFIG_ENV_SECT_SIZE=0x40000
 CONFIG_TARGET_QEMU_ARM_32BIT=y
+CONFIG_DEBUG_UART_BASE=0x9000000
+CONFIG_DEBUG_UART_CLOCK=0
 CONFIG_ARMV7_LPAE=y
+CONFIG_DEBUG_UART=y
 CONFIG_AHCI=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SYS_LOAD_ADDR=0x40200000
@@ -49,6 +52,8 @@ CONFIG_PCI=y
 CONFIG_PCIE_ECAM_GENERIC=y
 CONFIG_SCSI=y
 CONFIG_DM_SCSI=y
+CONFIG_DEBUG_UART_PL011=y
+CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYSRESET=y
 CONFIG_SYSRESET_PSCI=y
 CONFIG_USB=y
-- 
2.33.1.1089.g2158813163f-goog



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