Created
January 27, 2024 17:36
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static int imx_rproc_addr_init(struct imx_rproc *priv, | |
struct platform_device *pdev) | |
{ | |
const struct imx_rproc_dcfg *dcfg = priv->dcfg; | |
struct device *dev = &pdev->dev; | |
struct device_node *np = dev->of_node; | |
int a, b = 0, err, nph; | |
/* remap required addresses */ | |
for (a = 0; a < dcfg->att_size; a++) { | |
const struct imx_rproc_att *att = &dcfg->att[a]; | |
if (!(att->flags & ATT_OWN)) | |
continue; | |
if (att->flags & ATT_CORE_MASK) { | |
if (!((1 << priv->id) & (att->flags & ATT_CORE_MASK))) | |
continue; | |
} | |
if (b >= IMX7D_RPROC_MEM_MAX) | |
break; | |
priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, | |
att->sa, att->size); | |
if (!priv->mem[b].cpu_addr) { | |
dev_err(dev, "devm_ioremap failed\n"); | |
return -ENOMEM; | |
} | |
priv->mem[b].sys_addr = att->sa; | |
priv->mem[b].size = att->size; | |
b++; | |
} | |
/* memory-region is optional property */ | |
nph = of_count_phandle_with_args(np, "memory-region", NULL); | |
if (nph <= 0) | |
return 0; | |
/* remap optional addresses */ | |
for (a = 0; a < nph; a++) { | |
struct device_node *node; | |
struct resource res; | |
node = of_parse_phandle(np, "memory-region", a); | |
err = of_address_to_resource(node, 0, &res); | |
if (err) { | |
dev_err(dev, "unable to resolve memory region\n"); | |
return err; | |
} | |
if (b >= IMX7D_RPROC_MEM_MAX) | |
break; | |
/* Not use resource version, because we might share region*/ | |
priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, res.start, resource_size(&res)); | |
if (IS_ERR(priv->mem[b].cpu_addr)) { | |
dev_err(dev, "devm_ioremap %pR failed\n", &res); | |
err = PTR_ERR(priv->mem[b].cpu_addr); | |
return err; | |
} | |
priv->mem[b].sys_addr = res.start; | |
priv->mem[b].size = resource_size(&res); | |
b++; | |
} | |
return 0; | |
} |
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