static void __init assabet_map_io(void)
{
extern void neponset_map_io(void);
sa1100_map_io();
iotable_init(assabet_io_desc);
#ifdef CONFIG_ASSABET_NEPONSET
/*
* We map Neponset registers even if it isn't present since
* many drivers will try to probe their stuff (and fail).
* This is still more friendly than a kernel paging request
* crash.
*/
neponset_map_io();
#endif
if (machine_has_neponset()) {
/*
* When Neponset is attached, the first UART should be
* UART3. That's what Angel is doing and many documents
* are stating this.
* We do the Neponset mapping even if Neponset support
* isn't compiled in so the user will still get something on
* the expected physical serial port.
*/
sa1100_register_uart(0, 3);
sa1100_register_uart(2, 1);
/*
* Set SUS bit in SDCR0 so serial port 1 functions.
* Its called GPCLKR0 in my SA1110 manual.
*/
Ser1SDCR0 |= SDCR0_SUS;
} else {
sa1100_register_uart_fns(&assabet_port_fns);
sa1100_register_uart(0, 1); /* com port */
sa1100_register_uart(2, 3); /* radio module */
}
/*
* Ensure that these pins are set as outputs and are driving
* logic 0. This ensures that we won't inadvertently toggle
* the WS latch in the CPLD, and we don't float causing
* excessive power drain. --rmk
*/
GPDR |= GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM;
GPCR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM;
/*
* Set up registers for sleep mode.
*/
PWER = PWER_GPIO0;
PGSR = 0;
PCFR = 0;
PSDR = 0;
}
static void __init assabet_map_io(void)
{
sa1100_map_io();
iotable_init(assabet_io_desc, ARRAY_SIZE(assabet_io_desc));
/*
* Set SUS bit in SDCR0 so serial port 1 functions.
* Its called GPCLKR0 in my SA1110 manual.
*/
Ser1SDCR0 |= SDCR0_SUS;
if (machine_has_neponset()) {
#ifdef CONFIG_ASSABET_NEPONSET
extern void neponset_map_io(void);
/*
* We map Neponset registers even if it isn't present since
* many drivers will try to probe their stuff (and fail).
* This is still more friendly than a kernel paging request
* crash.
*/
neponset_map_io();
#endif
} else {
sa1100_register_uart_fns(&assabet_port_fns);
}
/*
* When Neponset is attached, the first UART should be
* UART3. That's what Angel is doing and many documents
* are stating this.
*
* We do the Neponset mapping even if Neponset support
* isn't compiled in so the user will still get something on
* the expected physical serial port.
*
* We no longer do this; not all boot loaders support it,
* and UART3 appears to be somewhat unreliable with blob.
*/
sa1100_register_uart(0, 1);
sa1100_register_uart(2, 3);
}
