patrick/zephyr
1
0
Fork 0
Code Issues Pull requests Actions 7 Packages Projects Releases Wiki Activity

gpio: Make use of sys_io functions in gpio-dw driver

Browse source 
Just to align the code to generic memory mapped registers and bit
operations functions.

Change-Id: I0fe8b3b6687670d0ed0daffe52645ec2c6b4c674
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2015-08-25 17:11:28 +03:00 committed by Anas Nashif
parent 2b6ded2b7f
commit e7c8bf43ac
1 changed files with 10 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/gpio/gpio-dw.c
View file

@ -32,6 +32,7 @@
#include <gpio.h>
#include <gpio/gpio-dw.h>
#include <board.h>
#include <sys_io.h>
#define SWPORTA_DR 0x00
#define SWPORTA_DDR 0x04
@ -57,15 +58,15 @@
#define BIT(n) (1UL << (n))
static inline uint32_t dw_read(uint32_t base_addr, uint32_t offest)
static inline uint32_t dw_read(uint32_t base_addr, uint32_t offset)
{
return *(uint32_t*)(base_addr+offest);
return sys_read32(base_addr + offset);
}
static inline void dw_write(uint32_t base_addr, uint32_t offest,
static inline void dw_write(uint32_t base_addr, uint32_t offset,
uint32_t val)
{
*(uint32_t*)(base_addr+offest) = val;
sys_write32(val, base_addr + offset);
}
@ -74,10 +75,11 @@ static void dw_set_bit(uint32_t base_addr, uint32_t offset,
{
uint32_t reg;
reg = dw_read(base_addr, offset);
reg &= ~BIT(bit);
reg |= (((!!value) & 0x1) << bit);
dw_write(base_addr, offset, reg);
if (!value) {
sys_clear_bit(base_addr + offset, bit);
} else {
sys_set_bit(base_addr + offset, bit);
}
}
static inline void dw_interrupt_config(struct device *port, int access_op,