Merge "net: danipc: Receive interrupts specific to APPS IPC FIFO alone"

#include "danipc_lowlevel.h"

/* Almost Full(AF) interrupt threshold */

#define AF_THRESHOLD		0x7d

/* IPC FIFO interrupt register offsets */

#define FIFO_THR_AF_CFG_F0	0x34

#define CDU_INT0_MASK_F0	0x44

#define CDU_INT0_ENABLE_F0	0x4c

#define CDU_INT0_CLEAR_F0	0x64

/* Almost Full(AF) interrupt indication bit */

#define IPC_INTR_FIFO_AF	5

#define IPC_INTR(intr)		(1 << (intr))

/* Allocation of IPC FIFOS among CPU cores is evident from

 * Platform specific dts file.

 */

#define TCSR_IPC0_CDU0_INT0_MUX	0x1

#define TCSR_IPC0_CDU0_INT1_MUX	0x2

/* Mux IPC0_CDU0 interrupts to APPS. As APPS receives

 * all its messages from FIFOs in TCSR_IPC0_CDU0 alone.

 */

#define APPS_IPC_FIFO_INT	(TCSR_IPC0_CDU0_INT0_MUX | \

				 TCSR_IPC0_CDU0_INT1_MUX)

/* IPC and Linux coexistence.

 * IPC uses/needs physical addresses with bit 31 set while Linux obviously

	__raw_writel_no_log(~IPC_INTR(IPC_INTR_FIFO_AF),

				(void *)(base_addr + CDU_INT0_MASK_F0));

	/* Enable passing all IPC interrupts. */

	__raw_writel_no_log(~0, krait_ipc_mux);

	/* Route interrupts from TCSR to APPS (only relevant to APPS-FIFO) */

	__raw_writel_no_log(APPS_IPC_FIFO_INT, krait_ipc_mux);

}