Commit 3ffb1a81 authored by Kevin Cernekee's avatar Kevin Cernekee Committed by Greg Kroah-Hartman

serial: core: Add big-endian iotype

Since most drivers interpret UPIO_MEM32 to mean "little-endian" and use
readl/writel to access the registers, add a parallel UPIO_MEM32BE to
request the use of big-endian MMIO accessors (ioread32be/iowrite32be).
Signed-off-by: default avatarKevin Cernekee <cernekee@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 57850a50
...@@ -2153,6 +2153,7 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port) ...@@ -2153,6 +2153,7 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port)
break; break;
case UPIO_MEM: case UPIO_MEM:
case UPIO_MEM32: case UPIO_MEM32:
case UPIO_MEM32BE:
case UPIO_AU: case UPIO_AU:
case UPIO_TSI: case UPIO_TSI:
snprintf(address, sizeof(address), snprintf(address, sizeof(address),
...@@ -2796,6 +2797,7 @@ int uart_match_port(struct uart_port *port1, struct uart_port *port2) ...@@ -2796,6 +2797,7 @@ int uart_match_port(struct uart_port *port1, struct uart_port *port2)
(port1->hub6 == port2->hub6); (port1->hub6 == port2->hub6);
case UPIO_MEM: case UPIO_MEM:
case UPIO_MEM32: case UPIO_MEM32:
case UPIO_MEM32BE:
case UPIO_AU: case UPIO_AU:
case UPIO_TSI: case UPIO_TSI:
return (port1->mapbase == port2->mapbase); return (port1->mapbase == port2->mapbase);
......
...@@ -142,12 +142,13 @@ struct uart_port { ...@@ -142,12 +142,13 @@ struct uart_port {
unsigned char iotype; /* io access style */ unsigned char iotype; /* io access style */
unsigned char unused1; unsigned char unused1;
#define UPIO_PORT (0) #define UPIO_PORT (0) /* 8b I/O port access */
#define UPIO_HUB6 (1) #define UPIO_HUB6 (1) /* Hub6 ISA card */
#define UPIO_MEM (2) #define UPIO_MEM (2) /* 8b MMIO access */
#define UPIO_MEM32 (3) #define UPIO_MEM32 (3) /* 32b little endian */
#define UPIO_AU (4) /* Au1x00 and RT288x type IO */ #define UPIO_MEM32BE (4) /* 32b big endian */
#define UPIO_TSI (5) /* Tsi108/109 type IO */ #define UPIO_AU (5) /* Au1x00 and RT288x type IO */
#define UPIO_TSI (6) /* Tsi108/109 type IO */
unsigned int read_status_mask; /* driver specific */ unsigned int read_status_mask; /* driver specific */
unsigned int ignore_status_mask; /* driver specific */ unsigned int ignore_status_mask; /* driver specific */
......
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