diff options
| author | Nico Huber <nico.h@gmx.de> | 2020-07-18 14:54:47 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-08-24 09:13:09 +0000 |
| commit | be842cb72d83b347bbc1c3308909f4eac286b47a (patch) | |
| tree | e682a6fad4ad45d5764815b2f4754513be0c2c0d /payloads/libpayload/drivers/serial/s5p.c | |
| parent | b2eafa666cb7f5318daa61962bae62859f4e4e88 (diff) | |
libpayload: Cache physical location of serial-console struct
In the presence of self-relocating payloads, it's safer to keep
physical addresses in `libsysinfo`.
Change-Id: Icd30e95c6b8115d16dd793914fb01a1a9da1854f
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43577
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'payloads/libpayload/drivers/serial/s5p.c')
| -rw-r--r-- | payloads/libpayload/drivers/serial/s5p.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/payloads/libpayload/drivers/serial/s5p.c b/payloads/libpayload/drivers/serial/s5p.c index 6ca5dc4717..7a6f0e1c39 100644 --- a/payloads/libpayload/drivers/serial/s5p.c +++ b/payloads/libpayload/drivers/serial/s5p.c @@ -90,10 +90,12 @@ static struct console_input_driver s5p_serial_input = void serial_init(void) { - if (!lib_sysinfo.serial || !lib_sysinfo.serial->baseaddr) + const struct cb_serial *const serial = phys_to_virt(lib_sysinfo.cb_serial); + + if (!lib_sysinfo.cb_serial || !serial->baseaddr) return; - uart_regs = (struct s5p_uart *)lib_sysinfo.serial->baseaddr; + uart_regs = (struct s5p_uart *)serial->baseaddr; } void serial_console_init(void) |