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hv: uart: enable early boot uart

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Enable uart as early as possible to make things easier for debugging.
After this we could use printf to output information to the uart. As for
pr_xxx APIs, they start to work when init_logmsg is called.

Tracked-On: #2987
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
This commit is contained in:
Li, Fei1
2019-07-24 17:50:27 +08:00
committed by ACRN System Integration
parent 3945bc4c40
commit cc47dbe769
6 changed files with 26 additions and 9 deletions
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2
hypervisor/include/debug/uart16550.h
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@@ -127,7 +127,7 @@
/* UART oscillator clock */
#define UART_CLOCK_RATE 1843200U /* 1.8432 MHz */
void uart16550_init(void);
void uart16550_init(bool early_boot);
char uart16550_getc(void);
size_t uart16550_puts(const char *buf, uint32_t len);
void uart16550_set_property(bool enabled, bool port_mapped, uint64_t base_addr);