diff options
Diffstat (limited to 'firmware/target/arm/s5l8702/gpio-s5l8702.h')
| -rw-r--r-- | firmware/target/arm/s5l8702/gpio-s5l8702.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/firmware/target/arm/s5l8702/gpio-s5l8702.h b/firmware/target/arm/s5l8702/gpio-s5l8702.h index 9259fb05ef..f775e86726 100644 --- a/firmware/target/arm/s5l8702/gpio-s5l8702.h +++ b/firmware/target/arm/s5l8702/gpio-s5l8702.h @@ -39,13 +39,13 @@ * bit 2: if unmasked, EINT6 is generated when USB cable * is plugged and/or(TBC) unplugged. * - * IC_GROUP0..6 are connected to EINT6..0 of the VIC. + * EIC_GROUP0..6 are connected to EINT6..0 of the VIC. */ #define EIC_N_GROUPS 7 /* get EIC group and bit for a given GPIO port */ -#define EIC_GROUP(n) (6 - (n >> 5)) -#define EIC_INDEX(n) ((0x18 - (n & 0x18)) | (n & 0x7)) +#define EIC_GROUP(n) (6 - ((n) >> 5)) +#define EIC_INDEX(n) ((0x18 - ((n) & 0x18)) | ((n) & 0x7)) /* SoC EINTs uses these 'gpio' numbers */ #define GPIO_EINT_USB 0xd8 @@ -74,19 +74,19 @@ struct eint_handler { void (*isr)(struct eint_handler*); }; +void eint_init(void); void eint_register(struct eint_handler *h); void eint_unregister(struct eint_handler *h); -void eint_init(void); +void gpio_preinit(void); void gpio_init(void); /* get/set configuration for GPIO groups (0..15) */ uint32_t gpio_group_get(int group); void gpio_group_set(int group, uint32_t mask, uint32_t cfg); -void gpio_preinit(void); - -/* This is very preliminary work in progress, ATM this region is called +/* + * This is very preliminary work in progress, ATM this region is called * system 'alive' because it seems there are similiarities when mixing * concepts from: * - s3c2440 datasheet (figure 7-12, Sleep mode) and @@ -145,8 +145,8 @@ void gpio_preinit(void); * ALVCOM_RUN_BIT starts/stops count on ALVTCNT, counter frequency * is SClk / ALVTDIV. When count reachs ALVTEND then ALVTSTAT[0] * and ALVUNK4[0] are set, optionally an interrupt is generated (see - * GPIO_IC below). Writing 1 to ALVTCOM_RST_BIT clears ALVSTAT[0] - * and ALVUNK4[0] and initializes ALVTCNT to zero. + * GPIO_EINT_ALIVE). Writing 1 to ALVTCOM_RST_BIT clears ALVSTAT[0] + * and ALVUNK4[0], and initializes ALVTCNT to zero. */ #define ALVTCOM (*((REG32_PTR_T)(SYSALV_BASE + 0x6c))) #define ALVTCOM_RUN_BIT (1 << 0) /* 0 -> Stop, 1 -> Start */ |