/* ************************************************************************
*
* Setup the architecture
*
*/
static void __init twr_p1025_setup_arch(void)
{
#ifdef CONFIG_QUICC_ENGINE
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("twr_p1025_setup_arch()", 0);
mpc85xx_smp_init();
fsl_pci_assign_primary();
#ifdef CONFIG_QUICC_ENGINE
np = of_find_compatible_node(NULL, NULL, "fsl,qe");
if (!np) {
np = of_find_node_by_name(NULL, "qe");
if (!np) {
printk(KERN_ERR "Could not find Quicc Engine node\n");
goto qe_fail;
}
}
qe_reset();
of_node_put(np);
np = of_find_node_by_name(NULL, "par_io");
if (np) {
struct device_node *ucc;
par_io_init(np);
of_node_put(np);
for_each_node_by_name(ucc, "ucc")
par_io_of_config(ucc);
}
#if defined(CONFIG_UCC_GETH) || defined(CONFIG_SERIAL_QE)
if (machine_is(twr_p1025)) {
struct ccsr_guts __iomem *guts;
np = of_find_node_by_name(NULL, "global-utilities");
if (np) {
guts = of_iomap(np, 0);
if (!guts)
pr_err("twr_p1025: could not map global utilities register\n");
else {
/* P1025 has pins muxed for QE and other functions. To
* enable QE UEC mode, we need to set bit QE0 for UCC1
* in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9
* and QE12 for QE MII management signals in PMUXCR
* register.
*/
printk(KERN_INFO "P1025 pinmux configured for QE\n");
/* Set QE mux bits in PMUXCR */
setbits32(&guts->pmuxcr, MPC85xx_PMUXCR_QE(0) |
MPC85xx_PMUXCR_QE(3) |
MPC85xx_PMUXCR_QE(9) |
MPC85xx_PMUXCR_QE(12));
iounmap(guts);
#if defined(CONFIG_SERIAL_QE) || defined(CONFIG_SERIAL_QE_MODULE)
/* On P1025TWR board, the UCC7 acted as UART port.
* However, The UCC7's CTS pin is low level in default,
* it will impact the transmission in full duplex
* communication. So disable the Flow control pin PA18.
* The UCC7 UART just can use RXD and TXD pins.
*/
par_io_config_pin(0, 18, 0, 0, 0, 0);
#endif
/* Drive PB29 to CPLD low - CPLD will then change
* muxing from LBC to QE */
par_io_config_pin(1, 29, 1, 0, 0, 0);
par_io_data_set(1, 29, 0);
}
of_node_put(np);
}
}
#endif
qe_fail:
#endif /* CONFIG_QUICC_ENGINE */
printk(KERN_INFO "TWR-P1025 board from Freescale Semiconductor\n");
}
static void mpc83xx_spi_deactivate_cs(u8 cs, u8 polarity)
{
pr_debug("%s %d %d\n", __func__, cs, polarity);
par_io_data_set(3, 13, !polarity);
}
