/*
* This needs re-working
*/
static int mcp_sa1100_init(void)
{
struct mcp *mcp = &mcp_sa1100;
int ret = -ENODEV;
if (machine_is_adsbitsy() || machine_is_assabet() ||
machine_is_cerf() || machine_is_flexanet() ||
machine_is_freebird() || machine_is_graphicsclient() ||
machine_is_graphicsmaster() || machine_is_lart() ||
machine_is_omnimeter() || machine_is_pfs168() ||
machine_is_shannon() || machine_is_simpad() ||
machine_is_yopy()) {
/*
* Setup the PPC unit correctly.
*/
PPDR &= ~PPC_RXD4;
PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
PSDR |= PPC_RXD4;
PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
Ser4MCSR = -1;
Ser4MCCR1 = 0;
Ser4MCCR0 = 0x00007f7f | MCCR0_ADM;
/*
* Calculate the read/write timeout (us) from the bit clock
* rate. This is the period for 3 64-bit frames. Always
* round this time up.
*/
mcp->rw_timeout = (64 * 3 * 1000000 + mcp->sclk_rate - 1) /
mcp->sclk_rate;
ret = mcp_register(mcp);
}
return ret;
}
/*
* This configures the UCB1x00 layer depending on the machine type
* we're running on. The UCB1x00 drivers should not contain any
* machine dependencies.
*
* We can get rid of some of these dependencies by using existing
* facilities provided by the kernel - namely IRQ probing. The
* machine specific files are expected to setup the IRQ levels on
* initialisation. With any luck, we'll get rid of all the
* machine dependencies here.
*/
static int __init ucb1x00_configure(struct ucb1x00 *ucb)
{
unsigned int irq_gpio_pin = 0;
int irq, default_irq = NO_IRQ;
if (machine_is_adsbitsy())
default_irq = IRQ_GPCIN4;
// if (machine_is_assabet())
// default_irq = IRQ_GPIO23;
#ifdef CONFIG_SA1100_CERF
if (machine_is_cerf())
default_irq = IRQ_GPIO_UCB1200_IRQ;
#endif
#ifdef CONFIG_SA1100_FREEBIRD
if (machine_is_freebird())
default_irq = IRQ_GPIO_FREEBIRD_UCB1300_IRQ;
#endif
#if defined(CONFIG_SA1100_GRAPHICSCLIENT) || defined(CONFIG_SA1100_GRAPICSMASTER)
if (machine_is_graphicsclient() || machine_is_graphicsmaster())
default_irq = ADS_EXT_IRQ(8);
#endif
#ifdef CONFIG_SA1100_LART
if (machine_is_lart()) {
default_irq = LART_IRQ_UCB1200;
irq_gpio_pin = LART_GPIO_UCB1200;
}
#endif
if (machine_is_omnimeter())
default_irq = IRQ_GPIO23;
#ifdef CONFIG_SA1100_PFS168
if (machine_is_pfs168())
default_irq = IRQ_GPIO_UCB1300_IRQ;
#endif
#ifdef CONFIG_SA1100_SIMPAD
if (machine_is_simpad())
default_irq = IRQ_GPIO_UCB1300_IRQ;
#endif
#ifdef CONFIG_SA1100_SIMPUTER
if (machine_is_simputer()) {
default_irq = IRQ_GPIO_UCB1300_IRQ;
irq_gpio_pin = GPIO_UCB1300_IRQ;
}
#endif
if (machine_is_shannon())
default_irq = SHANNON_IRQ_GPIO_IRQ_CODEC;
#ifdef CONFIG_SA1100_YOPY
if (machine_is_yopy())
default_irq = IRQ_GPIO_UCB1200_IRQ;
#endif
#ifdef CONFIG_SA1100_ACCELENT
if (machine_is_accelent_sa()) {
ucb->irq = IRQ_GPIO_UCB1200_IRQ;
irq_gpio_pin = GPIO_UCB1200_IRQ;
}
#endif
/*
* Eventually, this will disappear.
*/
if (irq_gpio_pin)
set_GPIO_IRQ_edge(irq_gpio_pin, GPIO_RISING_EDGE);
irq = ucb1x00_detect_irq(ucb);
if (irq != NO_IRQ) {
if (default_irq != NO_IRQ && irq != default_irq)
printk(KERN_ERR "UCB1x00: probed IRQ%d != default IRQ%d\n",
irq, default_irq);
if (irq == default_irq)
printk(KERN_ERR "UCB1x00: probed IRQ%d correctly. "
"Please remove machine dependencies from "
"ucb1x00-core.c\n", irq);
ucb->irq = irq;
} else {
printk(KERN_ERR "UCB1x00: IRQ probe failed, using IRQ%d\n",
default_irq);
ucb->irq = default_irq;
}
return ucb->irq == NO_IRQ ? -ENODEV : 0;
}