static int __init jornada720_init(void)
{
GPDR |= GPIO_GPIO20;
TUCR = JORTUCR_VAL; /* set the oscillator out to the SA-1101 */
GPSR = GPIO_GPIO20;
udelay(1);
GPCR = GPIO_GPIO20;
udelay(1);
GPSR = GPIO_GPIO20;
udelay(20);
SKCR = JORSKCR_INIT; /* Turn on the PLL, enable Ready and enable nOE assertion from DC */
mdelay(100);
SBI_SKCR = JORSKCR_RCLK;/* turn on the RCLOCK */
SBI_SMCR = 0x35; /* initialize the SMC (debug SA-1111 reset */
PCCR = 0; /* initialize the S2MC (debug SA-1111 reset) */
/* LDD4 is speaker, LDD3 is microphone */
PPSR &= ~(PPC_LDD3 | PPC_LDD4);
PPDR |= PPC_LDD3 | PPC_LDD4;
/* initialize extra IRQs */
set_GPIO_IRQ_edge(GPIO_GPIO1, GPIO_RISING_EDGE);
sa1111_init_irq(IRQ_GPIO1); /* chained on GPIO 1 */
return 0;
}
static void __init system3_init_irq(void)
{
int irq;
DPRINTK( "%s\n", "START" );
/* SA1111 IRQ not routed to a GPIO. */
sa1111_init_irq(-1);
/* setup extra IRQs */
irq = IRQ_SYSTEM3_SMC9196;
irq_desc[irq].valid = 1;
irq_desc[irq].probe_ok = 1;
#if 0
/* Highspeed Serial Bus not yet used */
irq = PT_USAR_IRQ;
irq_desc[irq].valid = 1;
irq_desc[irq].probe_ok = 1;
#endif
/* IRQ by CPLD */
set_GPIO_IRQ_edge( GPIO_GPIO(25), GPIO_RISING_EDGE );
setup_arm_irq( IRQ_GPIO25, &system3_irq );
}
static int __init graphicsmaster_init(void)
{
int ret;
if (!machine_is_graphicsmaster())
return -ENODEV;
/*
* Ensure that the memory bus request/grant signals are setup,
* and the grant is held in its inactive state
*/
sa1110_mb_disable();
/*
* Probe for SA1111.
*/
ret = sa1111_probe(ADS_SA1111_BASE);
if (ret < 0)
return ret;
/*
* We found it. Wake the chip up.
*/
sa1111_wake();
/*
* The SDRAM configuration of the SA1110 and the SA1111 must
* match. This is very important to ensure that SA1111 accesses
* don't corrupt the SDRAM. Note that this ungates the SA1111's
* MBGNT signal, so we must have called sa1110_mb_disable()
* beforehand.
*/
sa1111_configure_smc(1,
FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
/*
* Enable PWM control for LCD
*/
SKPCR |= SKPCR_PWMCLKEN;
SKPWM0 = 0x7F; // VEE
SKPEN0 = 1;
SKPWM1 = 0x01; // Backlight
SKPEN1 = 1;
/*
* We only need to turn on DCLK whenever we want to use the
* DMA. It can otherwise be held firmly in the off position.
*/
SKPCR |= SKPCR_DCLKEN;
/*
* Enable the SA1110 memory bus request and grant signals.
*/
sa1110_mb_enable();
sa1111_init_irq(IRQ_BOARD_START);
return 0;
}
static void __init neponset_init_irq(void)
{
sa1111_init_irq(-1); /* SA1111 IRQ not routed to a GPIO */
/* setup extra Neponset IRQs */
irq_desc[IRQ_NEPONSET_SMC9196].valid = 1;
irq_desc[IRQ_NEPONSET_SMC9196].probe_ok = 1;
irq_desc[IRQ_NEPONSET_USAR].valid = 1;
irq_desc[IRQ_NEPONSET_USAR].probe_ok = 1;
set_GPIO_IRQ_edge(GPIO_GPIO25, GPIO_RISING_EDGE);
setup_arm_irq(IRQ_GPIO25, &neponset_irq);
}
static void __init neponset_init_irq(void)
{
int irq;
sa1111_init_irq(-1); /* SA1111 IRQ not routed to a GPIO */
/* setup extra Neponset IRQs */
irq = NEPONSET_ETHERNET_IRQ;
irq_desc[irq].valid = 1;
irq_desc[irq].probe_ok = 1;
irq = NEPONSET_USAR_IRQ;
irq_desc[irq].valid = 1;
irq_desc[irq].probe_ok = 1;
set_GPIO_IRQ_edge(ASSABET_GPIO_NEP_IRQ, GPIO_RISING_EDGE);
setup_arm_irq(ASSABET_IRQ_GPIO_NEP_IRQ, &neponset_irq);
}
static int __init adsbitsy_init(void)
{
int ret;
if (!machine_is_adsbitsy())
return -ENODEV;
/*
* Ensure that the memory bus request/grant signals are setup,
* and the grant is held in its inactive state
*/
sa1110_mb_disable();
/* Bitsy uses GPIO pins for SPI interface to AVR
* Bitsy Plus uses the standard pins instead.
* it also needs to reset the AVR when booting
*/
PPAR |= PPAR_SSPGPIO;
/*
* Reset SA1111
*/
GPCR |= GPIO_GPIO26;
udelay(1000);
GPSR |= GPIO_GPIO26;
#ifndef CONFIG_LEDS_TIMER
// Set Serial port 1 RTS and DTR Low during sleep
PGSR |= GPIO_GPIO15 | GPIO_GPIO20;
#else
// only RTS (because DTR is also the LED
// which should be off during sleep);
PGSR |= GPIO_GPIO15;
#endif
// Set Serial port 3RTS Low during sleep
PGSR |= GPIO_GPIO19;
/*
* Probe for SA1111.
*/
ret = sa1111_probe(ADSBITSY_SA1111_BASE);
if (ret < 0)
return ret;
/*
* We found it. Wake the chip up.
*/
sa1111_wake();
/*
* The SDRAM configuration of the SA1110 and the SA1111 must
* match. This is very important to ensure that SA1111 accesses
* don't corrupt the SDRAM. Note that this ungates the SA1111's
* MBGNT signal, so we must have called sa1110_mb_disable()
* beforehand.
*/
sa1111_configure_smc(1,
FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
/*
* We only need to turn on DCLK whenever we want to use the
* DMA. It can otherwise be held firmly in the off position.
*/
SKPCR |= SKPCR_DCLKEN;
/*
* Enable the SA1110 memory bus request and grant signals.
*/
sa1110_mb_enable();
set_GPIO_IRQ_edge(GPIO_GPIO0, GPIO_RISING_EDGE);
sa1111_init_irq(IRQ_GPIO0);
return 0;
}
static int __init graphicsmaster_init(void)
{
int ret;
if (!machine_is_graphicsmaster())
return -ENODEV;
/*
* Ensure that the memory bus request/grant signals are setup,
* and the grant is held in its inactive state
*/
sa1110_mb_disable();
/* GraphicsMaster uses GPIO pins for SPI interface to AVR
*/
/* use the alternate SSP pins */
PPAR |= PPAR_SSPGPIO;
// Set RTS low during sleep
PGSR |= GPIO_GPIO15 | GPIO_GPIO17 | GPIO_GPIO19;
/*
* Probe for SA1111.
*/
ret = sa1111_probe(ADS_SA1111_BASE);
if (ret < 0)
return ret;
/*
* We found it. Wake the chip up.
*/
sa1111_wake();
/*
* The SDRAM configuration of the SA1110 and the SA1111 must
* match. This is very important to ensure that SA1111 accesses
* don't corrupt the SDRAM. Note that this ungates the SA1111's
* MBGNT signal, so we must have called sa1110_mb_disable()
* beforehand.
*/
sa1111_configure_smc(1,
FExtr(MDCNFG, MDCNFG_SA1110_DRAC0),
FExtr(MDCNFG, MDCNFG_SA1110_TDL0));
/*
* Enable PWM control for LCD
*/
SKPCR |= SKPCR_PWMCLKEN;
SACR1 &= ~SACR1_L3EN;
ADS_DCR |= DCR_BACKLITE_ON;
SKPWM0 = 0x01; // Backlight
SKPEN0 = 1;
SKPWM1 = 0x7F; // VEE
SKPEN1 = 1;
/*
* We only need to turn on DCLK whenever we want to use the
* DMA. It can otherwise be held firmly in the off position.
*/
SKPCR |= SKPCR_DCLKEN;
/*
* Enable the SA1110 memory bus request and grant signals.
*/
sa1110_mb_enable();
sa1111_init_irq(IRQ_GRAPHICSMASTER_SA1111);
return 0;
}
