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serial/uart_ns16550: make UART_REG_ADDR_INTERVAL

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On behalf of : Timo Teräs <timo.teras@iki.fi>

UART_REG_ADDR_INTERVAL is SOC / chip implementation specific feature,
and its width does not always correspond to current settings for
IOPORT/non IOPORT access method.

Signed-off-by: Francisco Munoz <francisco.munoz.ruiz@intel.com>
This commit is contained in:
Francisco Munoz 2019-02-06 17:14:14 -05:00 • committed by Anas Nashif
commit 2ab60eb0ab
1 changed files with 7 additions and 1 deletions
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8
drivers/serial/uart_ns16550.c
View file

@ -190,16 +190,22 @@
#define IIRC(dev) (DEV_DATA(dev)->iir_cache)
#ifdef CONFIG_NS16550_REG_SHIFT
#define UART_REG_ADDR_INTERVAL (1<<CONFIG_NS16550_REG_SHIFT)
#endif
#ifdef UART_NS16550_ACCESS_IOPORT
#define INBYTE(x) sys_in8(x)
#define OUTBYTE(x, d) sys_out8(d, x)
#ifndef UART_REG_ADDR_INTERVAL
#define UART_REG_ADDR_INTERVAL 1 /* address diff of adjacent regs. */
#endif
#endif /* UART_REG_ADDR_INTERVAL */
#else
#define INBYTE(x) sys_read8(x)
#define OUTBYTE(x, d) sys_write8(d, x)
#ifndef UART_REG_ADDR_INTERVAL
#define UART_REG_ADDR_INTERVAL 4 /* address diff of adjacent regs. */
#endif
#endif /* UART_NS16550_ACCESS_IOPORT */