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Blackfin arch: gpio pinmux and resource allocation API required by BF537 on chip ethernet mac driver

Browse source 
Signed-off-by: Michael Hennerich <[email protected]>
Signed-off-by: Bryan Wu <[email protected]>
This commit is contained in:
Michael Hennerich 2007-10-04 00:35:05 +08:00 • committed by Bryan Wu
commit c58c2140f0
6 changed files with 329 additions and 45 deletions
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11
include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
View file

@ -1,5 +1,6 @@
#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
#define NR_PORTS 1
@ -92,18 +93,24 @@ struct bfin_serial_res bfin_serial_resource[] = {
}
};
#define DRIVER_NAME "bfin-uart"
int nr_ports = NR_PORTS;
static void bfin_serial_hw_init(struct bfin_serial_port *uart)
{
#ifdef CONFIG_SERIAL_BFIN_UART0
peripheral_request(P_UART0_TX, DRIVER_NAME);
peripheral_request(P_UART0_RX, DRIVER_NAME);
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
if (uart->cts_pin >= 0) {
gpio_request(uart->cts_pin, NULL);
gpio_request(uart->cts_pin, DRIVER_NAME);
gpio_direction_input(uart->cts_pin);
}
if (uart->rts_pin >= 0) {
gpio_request(uart->rts_pin, NULL);
gpio_request(uart->rts_pin, DRIVER_NAME);
gpio_direction_input(uart->rts_pin);
}
#endif

23
include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
View file

@ -1,5 +1,6 @@
#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
#define NR_PORTS 2
@ -122,25 +123,29 @@ struct bfin_serial_res bfin_serial_resource[] = {
int nr_ports = ARRAY_SIZE(bfin_serial_resource);
#define DRIVER_NAME "bfin-uart"
static void bfin_serial_hw_init(struct bfin_serial_port *uart)
{
unsigned short val;
val = bfin_read16(BFIN_PORT_MUX);
val &= ~(PFDE | PFTE);
bfin_write16(BFIN_PORT_MUX, val);
val = bfin_read16(PORTF_FER);
val |= 0xF;
bfin_write16(PORTF_FER, val);
#ifdef CONFIG_SERIAL_BFIN_UART0
peripheral_request(P_UART0_TX, DRIVER_NAME);
peripheral_request(P_UART0_RX, DRIVER_NAME);
#endif
#ifdef CONFIG_SERIAL_BFIN_UART1
peripheral_request(P_UART1_TX, DRIVER_NAME);
peripheral_request(P_UART1_RX, DRIVER_NAME);
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
if (uart->cts_pin >= 0) {
gpio_request(uart->cts_pin, NULL);
gpio_request(uart->cts_pin, DRIVER_NAME);
gpio_direction_input(uart->cts_pin);
}
if (uart->rts_pin >= 0) {
gpio_request(uart->rts_pin, NULL);
gpio_request(uart->rts_pin, DRIVER_NAME);
gpio_direction_output(uart->rts_pin);
}
#endif

2
include/asm-blackfin/mach-bf537/portmux.h
View file

@ -106,4 +106,4 @@
#define P_SPI0_SSEL2 (P_DEFINED | P_IDENT(PORT_PJ11) | P_FUNCT(1))
#define P_SPI0_SSEL7 (P_DEFINED | P_IDENT(PORT_PJ5) | P_FUNCT(2))
#endif /* _MACH_PORTMUX_H_ */
#endif /* _MACH_PORTMUX_H_ */

11
include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
View file

@ -1,5 +1,6 @@
#include <linux/serial.h>
#include <asm/dma.h>
#include <asm/portmux.h>
#define NR_PORTS 1
@ -92,18 +93,24 @@ struct bfin_serial_res bfin_serial_resource[] = {
}
};
#define DRIVER_NAME "bfin-uart"
int nr_ports = NR_PORTS;
static void bfin_serial_hw_init(struct bfin_serial_port *uart)
{
#ifdef CONFIG_SERIAL_BFIN_UART0
peripheral_request(P_UART0_TX, DRIVER_NAME);
peripheral_request(P_UART0_RX, DRIVER_NAME);
#endif
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
if (uart->cts_pin >= 0) {
gpio_request(uart->cts_pin, NULL);
gpio_request(uart->cts_pin, DRIVER_NAME);
gpio_direction_input(uart->cts_pin);
}
if (uart->rts_pin >= 0) {
gpio_request(uart->rts_pin, NULL);
gpio_request(uart->rts_pin, DRIVER_NAME);
gpio_direction_input(uart->rts_pin);
}
#endif

55
include/asm-blackfin/portmux.h
View file

@ -14,6 +14,12 @@
#define P_MAYSHARE 0x2000
#define P_DONTCARE 0x1000
int peripheral_request(unsigned short per, const char *label);
void peripheral_free(unsigned short per);
int peripheral_request_list(unsigned short per[], const char *label);
void peripheral_free_list(unsigned short per[]);
#include <asm/gpio.h>
#include <asm/mach/portmux.h>
@ -145,6 +151,22 @@
#define P_SPI2_SSEL3 P_UNDEF
#endif
#ifndef P_SPI2_SSEL4
#define P_SPI2_SSEL4 P_UNDEF
#endif
#ifndef P_SPI2_SSEL5
#define P_SPI2_SSEL5 P_UNDEF
#endif
#ifndef P_SPI2_SSEL6
#define P_SPI2_SSEL6 P_UNDEF
#endif
#ifndef P_SPI2_SSEL7
#define P_SPI2_SSEL7 P_UNDEF
#endif
#ifndef P_SPI2_SCK
#define P_SPI2_SCK P_UNDEF
#endif
@ -513,6 +535,22 @@
#define P_SPI0_SSEL3 P_UNDEF
#endif
#ifndef P_SPI0_SSEL4
#define P_SPI0_SSEL4 P_UNDEF
#endif
#ifndef P_SPI0_SSEL5
#define P_SPI0_SSEL5 P_UNDEF
#endif
#ifndef P_SPI0_SSEL6
#define P_SPI0_SSEL6 P_UNDEF
#endif
#ifndef P_SPI0_SSEL7
#define P_SPI0_SSEL7 P_UNDEF
#endif
#ifndef P_UART0_TX
#define P_UART0_TX P_UNDEF
#endif
@ -741,6 +779,23 @@
#define P_SPI1_SSEL3 P_UNDEF
#endif
#ifndef P_SPI1_SSEL4
#define P_SPI1_SSEL4 P_UNDEF
#endif
#ifndef P_SPI1_SSEL5
#define P_SPI1_SSEL5 P_UNDEF
#endif
#ifndef P_SPI1_SSEL6
#define P_SPI1_SSEL6 P_UNDEF
#endif
#ifndef P_SPI1_SSEL7
#define P_SPI1_SSEL7 P_UNDEF
#endif
#ifndef P_SPI1_SCK
#define P_SPI1_SCK P_UNDEF
#endif