/*
* Handle the receive of an inter-core interrupt
*/
static irqreturn_t ipc_int_rx_interrupt(int irq, void * dummy)
{
volatile u32 *reg_ipcgr = ((u32 *) IPCGR_BASE) + get_coreid();
volatile u32 *reg_ipcar = ((u32 *) IPCAR_BASE) + get_coreid();
u32 mask;
u32 ipc_src;
u32 ipc_num;
while((mask = (*reg_ipcgr) & ~0xf) != 0) {
ipc_src = __ffs(mask) ;
*reg_ipcar = (1 << ipc_src); /* un-assert handled IPC source */
ipc_num = ipc_src - IPC_INT_SHIFT;
/* Call handler if any */
if (ipc_list[ipc_num].handler != NULL) {
if (!(ipc_list[ipc_num].flags & IRQF_DISABLED))
local_irq_enable();
ipc_list[ipc_num].handler(ipc_num, ipc_list[ipc_num].data);
local_irq_disable();
}
/* Wake up waiting processes */
wake_up_all(&ipc_list[ipc_num].wq);
}
return IRQ_HANDLED;
}
static void __init c6472_setup_clocks(struct device_node *node)
{
struct pll_data *pll = &c6x_soc_pll1;
struct clk *sysclks = pll->sysclks;
int i;
pll->flags = PLL_HAS_MUL;
for (i = 1; i <= 6; i++) {
sysclks[i].flags |= FIXED_DIV_PLL;
sysclks[i].div = 1;
}
sysclks[7].flags |= FIXED_DIV_PLL;
sysclks[7].div = 3;
sysclks[8].flags |= FIXED_DIV_PLL;
sysclks[8].div = 6;
sysclks[9].flags |= FIXED_DIV_PLL;
sysclks[9].div = 2;
sysclks[10].div = PLLDIV10;
c6x_core_clk.parent = &sysclks[get_coreid() + 1];
c6x_i2c_clk.parent = &sysclks[8];
c6x_watchdog_clk.parent = &sysclks[8];
c6x_mdio_clk.parent = &sysclks[5];
c6x_clks_init(c6472_clks);
}
