diff options
Diffstat (limited to 'arch/blackfin/kernel/bfin_gpio.c')
| -rw-r--r-- | arch/blackfin/kernel/bfin_gpio.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index 3fe0cd49e8db..ce85d4bf34ca 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -124,7 +124,7 @@ static struct gpio_port_t *gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = { }; #endif -#ifdef BF537_FAMILY +#if defined(BF527_FAMILY) || defined(BF537_FAMILY) static struct gpio_port_t *gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = { (struct gpio_port_t *) PORTFIO, (struct gpio_port_t *) PORTGIO, @@ -139,6 +139,21 @@ static unsigned short *port_fer[gpio_bank(MAX_BLACKFIN_GPIOS)] = { #endif +#ifdef BF527_FAMILY +static unsigned short *port_mux[gpio_bank(MAX_BLACKFIN_GPIOS)] = { + (unsigned short *) PORTF_MUX, + (unsigned short *) PORTG_MUX, + (unsigned short *) PORTH_MUX, +}; + +static const +u8 pmux_offset[][16] = + {{ 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 4, 6, 8, 8, 10, 10 }, /* PORTF */ + { 0, 0, 0, 0, 0, 2, 2, 4, 4, 6, 8, 10, 10, 10, 12, 12 }, /* PORTG */ + { 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 4, 4, 4, 4, 4 }, /* PORTH */ + }; +#endif + #ifdef BF561_FAMILY static struct gpio_port_t *gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = { (struct gpio_port_t *) FIO0_FLAG_D, @@ -186,6 +201,10 @@ static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG_INTB static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG_INTB, IRQ_PORTG_INTB, IRQ_MAC_TX}; #endif +#ifdef BF527_FAMILY +static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PORTF_INTB, IRQ_PORTG_INTB, IRQ_PORTH_INTB}; +#endif + #ifdef BF561_FAMILY static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB}; #endif @@ -238,7 +257,7 @@ static int cmp_label(unsigned short ident, const char *label) return -EINVAL; } -#ifdef BF537_FAMILY +#if defined(BF527_FAMILY) || defined(BF537_FAMILY) static void port_setup(unsigned short gpio, unsigned short usage) { if (!check_gpio(gpio)) { @@ -354,6 +373,18 @@ inline u16 get_portmux(unsigned short portno) return (pmux >> (2 * gpio_sub_n(portno)) & 0x3); } +#elif defined(BF527_FAMILY) +inline void portmux_setup(unsigned short portno, unsigned short function) +{ + u16 pmux, ident = P_IDENT(portno); + u8 offset = pmux_offset[gpio_bank(ident)][gpio_sub_n(ident)]; + + pmux = *port_mux[gpio_bank(ident)]; + pmux &= ~(3 << offset); + pmux |= (function & 3) << offset; + *port_mux[gpio_bank(ident)] = pmux; + SSYNC(); +} #else # define portmux_setup(...) do { } while (0) #endif |