mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 14:53:06 +00:00
401d1c4f5d
Move this out of the common header and include it only where needed. In a number of cases this requires adding "struct udevice;" to avoid adding another large header or in other cases replacing / adding missing header files that had been pulled in, very indirectly. Finally, we have a few cases where we did not need to include <asm/global_data.h> at all, so remove that include. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Rini <trini@konsulko.com>
182 lines
4.3 KiB
C
182 lines
4.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2015-2016
|
|
* Texas Instruments Incorporated - http://www.ti.com/
|
|
*/
|
|
#define pr_fmt(fmt) "%s: " fmt, __func__
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <errno.h>
|
|
#include <fdtdec.h>
|
|
#include <log.h>
|
|
#include <remoteproc.h>
|
|
#include <asm/global_data.h>
|
|
#include <mach/psc_defs.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/**
|
|
* struct ti_powerproc_privdata - power processor private data
|
|
* @loadaddr: base address for loading the power processor
|
|
* @psc_module: psc module address.
|
|
*/
|
|
struct ti_powerproc_privdata {
|
|
phys_addr_t loadaddr;
|
|
u32 psc_module;
|
|
};
|
|
|
|
/**
|
|
* ti_of_to_priv() - generate private data from device tree
|
|
* @dev: corresponding ti remote processor device
|
|
* @priv: pointer to driver specific private data
|
|
*
|
|
* Return: 0 if all went ok, else corresponding -ve error
|
|
*/
|
|
static int ti_of_to_priv(struct udevice *dev,
|
|
struct ti_powerproc_privdata *priv)
|
|
{
|
|
int node = dev_of_offset(dev);
|
|
const void *blob = gd->fdt_blob;
|
|
int tmp;
|
|
|
|
if (!blob) {
|
|
debug("'%s' no dt?\n", dev->name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
priv->loadaddr = fdtdec_get_addr(blob, node, "reg");
|
|
if (priv->loadaddr == FDT_ADDR_T_NONE) {
|
|
debug("'%s': no 'reg' property\n", dev->name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
tmp = fdtdec_get_int(blob, node, "ti,lpsc_module", -EINVAL);
|
|
if (tmp < 0) {
|
|
debug("'%s': no 'ti,lpsc_module' property\n", dev->name);
|
|
return tmp;
|
|
}
|
|
priv->psc_module = tmp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_powerproc_probe() - Basic probe
|
|
* @dev: corresponding ti remote processor device
|
|
*
|
|
* Return: 0 if all went ok, else corresponding -ve error
|
|
*/
|
|
static int ti_powerproc_probe(struct udevice *dev)
|
|
{
|
|
struct dm_rproc_uclass_pdata *uc_pdata;
|
|
struct ti_powerproc_privdata *priv;
|
|
int ret;
|
|
|
|
uc_pdata = dev_get_uclass_plat(dev);
|
|
priv = dev_get_priv(dev);
|
|
|
|
ret = ti_of_to_priv(dev, priv);
|
|
|
|
debug("%s probed with slave_addr=0x%08lX module=%d(%d)\n",
|
|
uc_pdata->name, priv->loadaddr, priv->psc_module, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ti_powerproc_load() - Loadup the TI remote processor
|
|
* @dev: corresponding ti remote processor device
|
|
* @addr: Address in memory where image binary is stored
|
|
* @size: Size in bytes of the image binary
|
|
*
|
|
* Return: 0 if all went ok, else corresponding -ve error
|
|
*/
|
|
static int ti_powerproc_load(struct udevice *dev, ulong addr, ulong size)
|
|
{
|
|
struct dm_rproc_uclass_pdata *uc_pdata;
|
|
struct ti_powerproc_privdata *priv;
|
|
int ret;
|
|
|
|
uc_pdata = dev_get_uclass_plat(dev);
|
|
if (!uc_pdata) {
|
|
debug("%s: no uc pdata!\n", dev->name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
priv = dev_get_priv(dev);
|
|
ret = psc_module_keep_in_reset_enabled(priv->psc_module, false);
|
|
if (ret) {
|
|
debug("%s Unable to disable module '%d'(ret=%d)\n",
|
|
uc_pdata->name, priv->psc_module, ret);
|
|
return ret;
|
|
}
|
|
|
|
debug("%s: Loading binary from 0x%08lX, size 0x%08lX to 0x%08lX\n",
|
|
uc_pdata->name, addr, size, priv->loadaddr);
|
|
|
|
memcpy((void *)priv->loadaddr, (void *)addr, size);
|
|
|
|
debug("%s: Complete!\n", uc_pdata->name);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ti_powerproc_start() - (replace: short desc)
|
|
* @dev: corresponding ti remote processor device
|
|
*
|
|
* Return: 0 if all went ok, else corresponding -ve error
|
|
*/
|
|
static int ti_powerproc_start(struct udevice *dev)
|
|
{
|
|
struct dm_rproc_uclass_pdata *uc_pdata;
|
|
struct ti_powerproc_privdata *priv;
|
|
int ret;
|
|
|
|
uc_pdata = dev_get_uclass_plat(dev);
|
|
if (!uc_pdata) {
|
|
debug("%s: no uc pdata!\n", dev->name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
priv = dev_get_priv(dev);
|
|
ret = psc_disable_module(priv->psc_module);
|
|
if (ret) {
|
|
debug("%s Unable to disable module '%d'(ret=%d)\n",
|
|
uc_pdata->name, priv->psc_module, ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = psc_module_release_from_reset(priv->psc_module);
|
|
if (ret) {
|
|
debug("%s Failed to wait for module '%d'(ret=%d)\n",
|
|
uc_pdata->name, priv->psc_module, ret);
|
|
return ret;
|
|
}
|
|
ret = psc_enable_module(priv->psc_module);
|
|
if (ret) {
|
|
debug("%s Unable to disable module '%d'(ret=%d)\n",
|
|
uc_pdata->name, priv->psc_module, ret);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dm_rproc_ops ti_powerproc_ops = {
|
|
.load = ti_powerproc_load,
|
|
.start = ti_powerproc_start,
|
|
};
|
|
|
|
static const struct udevice_id ti_powerproc_ids[] = {
|
|
{.compatible = "ti,power-processor"},
|
|
{}
|
|
};
|
|
|
|
U_BOOT_DRIVER(ti_powerproc) = {
|
|
.name = "ti_power_proc",
|
|
.of_match = ti_powerproc_ids,
|
|
.id = UCLASS_REMOTEPROC,
|
|
.ops = &ti_powerproc_ops,
|
|
.probe = ti_powerproc_probe,
|
|
.priv_auto = sizeof(struct ti_powerproc_privdata),
|
|
};
|