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ppc: qemu: Switch over to use DM serial

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The QEMU ppce500 target integrates 2 NS16550 serial ports. Switch
over to use the DM version of the driver by:

- drop unnecessary ad-hoc config macros
- add get_serial_clock() in the board codes

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Bin Meng 2021-02-25 17:22:39 +08:00 committed by Priyanka Jain
parent a43b598cc1
commit 2e91e8b332
3 changed files with 7 additions and 10 deletions
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6
board/freescale/qemu-ppce500/qemu-ppce500.c
View file

@ -374,3 +374,9 @@ void *board_fdt_blob_setup(void)
{
return get_fdt_virt();
}
/* See CONFIG_SYS_NS16550_CLK in arch/powerpc/include/asm/config.h */
int get_serial_clock(void)
{
return get_bus_freq(0);
}

1
configs/qemu-ppce500_defconfig
View file

@ -30,6 +30,7 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_DM=y
# CONFIG_MMC is not set
CONFIG_E1000=y
CONFIG_DM_SERIAL=y
CONFIG_SYS_NS16550=y
CONFIG_ADDR_MAP=y
CONFIG_PANIC_HANG=y

10
include/configs/qemu-ppce500.h
View file

@ -73,16 +73,6 @@ extern unsigned long long get_phys_ccsrbar_addr_early(void);
#define CONFIG_SYS_MONITOR_LEN (512 * 1024)
#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE 1
#define CONFIG_SYS_NS16550_CLK (get_bus_freq(0))
#define CONFIG_SYS_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_CCSRBAR+0x4500)
#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_CCSRBAR+0x4600)
/*
* General PCI
* Memory space is mapped 1-1, but I/O space must start from 0.