Commit 9b9ad70f authored by MD Danish Anwar's avatar MD Danish Anwar Committed by Mathieu Poirier
Browse files

remoteproc: pru: Add enum for PRU Core Identifiers. 



Introducing enum pruss_pru_id for PRU Core Identifiers.
PRUSS_PRU0 indicates PRU Core 0.
PRUSS_PRU1 indicates PRU Core 1.
PRUSS_NUM_PRUS indicates the total number of PRU Cores.

Signed-off-by: default avatarMD Danish Anwar <danishanwar@ti.com>
Reviewed-by: default avatarRoger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230106121046.886863-3-danishanwar@ti.com


Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
parent d6e21ef3

drivers/remoteproc/pru_rproc.c

+4 −3
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/module.h>

#include <linux/of_device.h>

#include <linux/of_irq.h>

#include <linux/remoteproc/pruss.h>

#include <linux/pruss_driver.h>

#include <linux/remoteproc.h>
@@ -438,7 +439,7 @@ static void *pru_d_da_to_va(struct pru_rproc *pru, u32 da, size_t len) 
	dram0 = pruss->mem_regions[PRUSS_MEM_DRAM0];

	dram1 = pruss->mem_regions[PRUSS_MEM_DRAM1];

	/* PRU1 has its local RAM addresses reversed */

	if (pru->id == 1)

	if (pru->id == PRUSS_PRU1)

		swap(dram0, dram1);

	shrd_ram = pruss->mem_regions[PRUSS_MEM_SHRD_RAM2];
@@ -747,14 +748,14 @@ static int pru_rproc_set_id(struct pru_rproc *pru) 
	case RTU0_IRAM_ADDR_MASK:

		fallthrough;

	case PRU0_IRAM_ADDR_MASK:

		pru->id = 0;

		pru->id = PRUSS_PRU0;

		break;

	case TX_PRU1_IRAM_ADDR_MASK:

		fallthrough;

	case RTU1_IRAM_ADDR_MASK:

		fallthrough;

	case PRU1_IRAM_ADDR_MASK:

		pru->id = 1;

		pru->id = PRUSS_PRU1;

		break;

	default:

		ret = -EINVAL;

include/linux/remoteproc/pruss.h

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * PRU-ICSS Subsystem user interfaces

 *

 * Copyright (C) 2015-2022 Texas Instruments Incorporated - http://www.ti.com

 *	Suman Anna <s-anna@ti.com>

 */



#ifndef __LINUX_PRUSS_H

#define __LINUX_PRUSS_H



#include <linux/device.h>

#include <linux/types.h>



#define PRU_RPROC_DRVNAME "pru-rproc"



/**

 * enum pruss_pru_id - PRU core identifiers

 * @PRUSS_PRU0: PRU Core 0.

 * @PRUSS_PRU1: PRU Core 1.

 * @PRUSS_NUM_PRUS: Total number of PRU Cores available.

 *

 */



enum pruss_pru_id {

	PRUSS_PRU0 = 0,

	PRUSS_PRU1,

	PRUSS_NUM_PRUS,

};



#endif /* __LINUX_PRUSS_H */