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serial/ns16550: ns16550 has a different register layout on SOC_DA8XX

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also fix NS16550_init() as we need 16x divider

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@gmail.com>
Acked-by: Christian Riesch <christian.riesch@omicron.at>
Tested-by: Christian Riesch <christian.riesch@omicron.at>
Acked-by: Sughosh Ganu <urwithsughosh@gmail.com>
Tested-by: Sughosh Ganu <urwithsughosh@gmail.com>
This commit is contained in:
Mikhail Kshevetskiy 2012-07-09 08:52:43 +00:00 committed by Albert ARIBAUD
parent 680866a502
commit 99b603e714
2 changed files with 10 additions and 1 deletions
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2
drivers/serial/ns16550.c
View File

@ -52,7 +52,7 @@ void NS16550_init(NS16550_t com_port, int baud_divisor)
serial_out((baud_divisor >> 8) & 0xff, &com_port->dlm);
serial_out(UART_LCRVAL, &com_port->lcr);
#if (defined(CONFIG_OMAP) && !defined(CONFIG_OMAP3_ZOOM2)) || \
defined(CONFIG_AM33XX)
defined(CONFIG_AM33XX) || defined(CONFIG_SOC_DA8XX)
#if defined(CONFIG_APTIX)
/* /13 mode so Aptix 6MHz can hit 115200 */

9
include/ns16550.h
View File

@ -46,6 +46,14 @@ struct NS16550 {
UART_REG(lsr); /* 5 */
UART_REG(msr); /* 6 */
UART_REG(spr); /* 7 */
#ifdef CONFIG_SOC_DA8XX
UART_REG(reg8); /* 8 */
UART_REG(reg9); /* 9 */
UART_REG(revid1); /* A */
UART_REG(revid2); /* B */
UART_REG(pwr_mgmt); /* C */
UART_REG(mdr1); /* D */
#else
UART_REG(mdr1); /* 8 */
UART_REG(reg9); /* 9 */
UART_REG(regA); /* A */
@ -58,6 +66,7 @@ struct NS16550 {
UART_REG(ssr); /* 11*/
UART_REG(reg12); /* 12*/
UART_REG(osc_12m_sel); /* 13*/
#endif
};
#define thr rbr