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| author | Jamin Lin <jamin_lin@aspeedtech.com> | 2025-03-04 14:47:03 +0800 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2025-03-09 14:36:53 +0100 |
| commit | 2d082fea485ee455a70ed3e963cdf9a70f34858a (patch) | |
| tree | 17dff4c36336fa1ad74bc8cb6e4191087cdc3195 /hw/misc | |
| parent | 8e002a693198865632f6bed072c5473a6bb9cf45 (diff) | |
| download | qemu-2d082fea485ee455a70ed3e963cdf9a70f34858a.zip qemu-2d082fea485ee455a70ed3e963cdf9a70f34858a.tar.gz qemu-2d082fea485ee455a70ed3e963cdf9a70f34858a.tar.bz2 | |
hw/misc/aspeed_scu: Skipping dram_init in u-boot
Setting BIT6 in VGA0 SCRATCH register will indicate that the ddr traning
is done, therefore skipping the u-boot-spl dram_init() process.
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Nabih Estefan <nabihestefan@google.com>
Link: https://lore.kernel.org/qemu-devel/20250304064710.2128993-2-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'hw/misc')
| -rw-r--r-- | hw/misc/aspeed_scu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c index bac1441..50f74fb 100644 --- a/hw/misc/aspeed_scu.c +++ b/hw/misc/aspeed_scu.c @@ -157,6 +157,7 @@ #define AST2700_SCU_FREQ_CNTR TO_REG(0x3b0) #define AST2700_SCU_CPU_SCRATCH_0 TO_REG(0x780) #define AST2700_SCU_CPU_SCRATCH_1 TO_REG(0x784) +#define AST2700_SCU_VGA_SCRATCH_0 TO_REG(0x900) #define AST2700_SCUIO_CLK_STOP_CTL_1 TO_REG(0x240) #define AST2700_SCUIO_CLK_STOP_CLR_1 TO_REG(0x244) @@ -930,6 +931,7 @@ static const uint32_t ast2700_a0_resets[ASPEED_AST2700_SCU_NR_REGS] = { [AST2700_SCU_FREQ_CNTR] = 0x000375eb, [AST2700_SCU_CPU_SCRATCH_0] = 0x00000000, [AST2700_SCU_CPU_SCRATCH_1] = 0x00000004, + [AST2700_SCU_VGA_SCRATCH_0] = 0x00000040, }; static void aspeed_ast2700_scu_reset(DeviceState *dev) |