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remoteproc: pru: Add enum for PRU Core Identifiers.

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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: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230106121046.886863-3-danishanwar@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
This commit is contained in:
MD Danish Anwar 2023-01-06 17:40:42 +05:30 committed by Mathieu Poirier
parent d6e21ef31e
commit 9b9ad70f28
2 changed files with 35 additions and 3 deletions
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7
drivers/remoteproc/pru_rproc.c
View File

@ -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;

31
include/linux/remoteproc/pruss.h Normal file
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@ -0,0 +1,31 @@
/* 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 */