mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-08-15 08:57:02 +02:00
09d40e0e08
Enforce full include path for includes. Deprecate old paths.
The following folders inside include/lib have been left unchanged:
- include/lib/cpus/${ARCH}
- include/lib/el3_runtime/${ARCH}
The reason for this change is that having a global namespace for
includes isn't a good idea. It defeats one of the advantages of having
folders and it introduces problems that are sometimes subtle (because
you may not know the header you are actually including if there are two
of them).
For example, this patch had to be created because two headers were
called the same way: e0ea0928d5 ("Fix gpio includes of mt8173 platform
to avoid collision."). More recently, this patch has had similar
problems: 46f9b2c3a2 ("drivers: add tzc380 support").
This problem was introduced in commit 4ecca33988 ("Move include and
source files to logical locations"). At that time, there weren't too
many headers so it wasn't a real issue. However, time has shown that
this creates problems.
Platforms that want to preserve the way they include headers may add the
removed paths to PLAT_INCLUDES, but this is discouraged.
Change-Id: I39dc53ed98f9e297a5966e723d1936d6ccf2fc8f
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
119 lines
2.2 KiB
C
119 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <lib/bakery_lock.h>
|
|
|
|
#include <sci/sci_scfw.h>
|
|
#include <sci/sci_ipc.h>
|
|
#include <sci/sci_rpc.h>
|
|
#include "imx8_mu.h"
|
|
|
|
DEFINE_BAKERY_LOCK(sc_ipc_bakery_lock);
|
|
#define sc_ipc_lock_init() bakery_lock_init(&sc_ipc_bakery_lock)
|
|
#define sc_ipc_lock() bakery_lock_get(&sc_ipc_bakery_lock)
|
|
#define sc_ipc_unlock() bakery_lock_release(&sc_ipc_bakery_lock)
|
|
|
|
void sc_call_rpc(sc_ipc_t ipc, sc_rpc_msg_t *msg, bool no_resp)
|
|
{
|
|
sc_ipc_lock();
|
|
|
|
sc_ipc_write(ipc, msg);
|
|
if (!no_resp)
|
|
sc_ipc_read(ipc, msg);
|
|
|
|
sc_ipc_unlock();
|
|
}
|
|
|
|
sc_err_t sc_ipc_open(sc_ipc_t *ipc, sc_ipc_id_t id)
|
|
{
|
|
uint32_t base = id;
|
|
uint32_t i;
|
|
|
|
/* Get MU base associated with IPC channel */
|
|
if ((ipc == NULL) || (base == 0))
|
|
return SC_ERR_IPC;
|
|
|
|
sc_ipc_lock_init();
|
|
|
|
/* Init MU */
|
|
MU_Init(base);
|
|
|
|
/* Enable all RX interrupts */
|
|
for (i = 0; i < MU_RR_COUNT; i++) {
|
|
MU_EnableRxFullInt(base, i);
|
|
}
|
|
|
|
/* Return MU address as handle */
|
|
*ipc = (sc_ipc_t) id;
|
|
|
|
return SC_ERR_NONE;
|
|
}
|
|
|
|
void sc_ipc_close(sc_ipc_t ipc)
|
|
{
|
|
uint32_t base = ipc;
|
|
|
|
if (base != 0)
|
|
MU_Init(base);
|
|
}
|
|
|
|
void sc_ipc_read(sc_ipc_t ipc, void *data)
|
|
{
|
|
uint32_t base = ipc;
|
|
sc_rpc_msg_t *msg = (sc_rpc_msg_t *) data;
|
|
uint8_t count = 0;
|
|
|
|
/* Check parms */
|
|
if ((base == 0) || (msg == NULL))
|
|
return;
|
|
|
|
/* Read first word */
|
|
MU_ReceiveMsg(base, 0, (uint32_t *) msg);
|
|
count++;
|
|
|
|
/* Check size */
|
|
if (msg->size > SC_RPC_MAX_MSG) {
|
|
*((uint32_t *) msg) = 0;
|
|
return;
|
|
}
|
|
|
|
/* Read remaining words */
|
|
while (count < msg->size) {
|
|
MU_ReceiveMsg(base, count % MU_RR_COUNT,
|
|
&(msg->DATA.u32[count - 1]));
|
|
count++;
|
|
}
|
|
}
|
|
|
|
void sc_ipc_write(sc_ipc_t ipc, void *data)
|
|
{
|
|
sc_rpc_msg_t *msg = (sc_rpc_msg_t *) data;
|
|
uint32_t base = ipc;
|
|
uint8_t count = 0;
|
|
|
|
/* Check parms */
|
|
if ((base == 0) || (msg == NULL))
|
|
return;
|
|
|
|
/* Check size */
|
|
if (msg->size > SC_RPC_MAX_MSG)
|
|
return;
|
|
|
|
/* Write first word */
|
|
MU_SendMessage(base, 0, *((uint32_t *) msg));
|
|
count++;
|
|
|
|
/* Write remaining words */
|
|
while (count < msg->size) {
|
|
MU_SendMessage(base, count % MU_TR_COUNT,
|
|
msg->DATA.u32[count - 1]);
|
|
count++;
|
|
}
|
|
}
|
|
|