Lines Matching +full:secure +full:- +full:regions
1 // SPDX-License-Identifier: GPL-2.0-only
60 struct ocmem_region *regions; member
110 writel(data, ocmem->mmio + reg); in ocmem_write()
115 return readl(ocmem->mmio + reg); in ocmem_read()
124 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
125 struct ocmem_region *region = &ocmem->regions[i]; in update_ocmem()
127 if (region->mode == THIN_MODE) in update_ocmem()
131 dev_dbg(ocmem->dev, "ocmem_region_mode_control %x\n", in update_ocmem()
136 for (i = 0; i < ocmem->config->num_regions; i++) { in update_ocmem()
137 struct ocmem_region *region = &ocmem->regions[i]; in update_ocmem()
140 data = OCMEM_PSGSC_CTL_MACRO0_MODE(region->macro_state[0]) | in update_ocmem()
141 OCMEM_PSGSC_CTL_MACRO1_MODE(region->macro_state[1]) | in update_ocmem()
142 OCMEM_PSGSC_CTL_MACRO2_MODE(region->macro_state[2]) | in update_ocmem()
143 OCMEM_PSGSC_CTL_MACRO3_MODE(region->macro_state[3]); in update_ocmem()
152 if (addr < ocmem->memory->start || addr >= ocmem->memory->end) in phys_to_offset()
155 return addr - ocmem->memory->start; in phys_to_offset()
174 for (i = 0; i < ocmem->config->num_regions; i++) { in update_range()
175 struct ocmem_region *region = &ocmem->regions[i]; in update_range()
177 if (buf->offset <= offset && offset < buf->offset + buf->len) in update_range()
178 region->mode = rmode; in update_range()
180 for (j = 0; j < region->num_macros; j++) { in update_range()
181 if (buf->offset <= offset && in update_range()
182 offset < buf->offset + buf->len) in update_range()
183 region->macro_state[j] = mstate; in update_range()
185 offset += region->macro_size; in update_range()
198 devnode = of_parse_phandle(dev->of_node, "sram", 0); in of_get_ocmem()
199 if (!devnode || !devnode->parent) { in of_get_ocmem()
202 return ERR_PTR(-ENODEV); in of_get_ocmem()
205 pdev = of_find_device_by_node(devnode->parent); in of_get_ocmem()
207 dev_err(dev, "Cannot find device node %s\n", devnode->name); in of_get_ocmem()
209 return ERR_PTR(-EPROBE_DEFER); in of_get_ocmem()
216 put_device(&pdev->dev); in of_get_ocmem()
217 return ERR_PTR(-ENODEV); in of_get_ocmem()
231 return ERR_PTR(-ENODEV); in ocmem_allocate()
234 return ERR_PTR(-EINVAL); in ocmem_allocate()
236 if (test_and_set_bit_lock(BIT(client), &ocmem->active_allocations)) in ocmem_allocate()
237 return ERR_PTR(-EBUSY); in ocmem_allocate()
241 ret = -ENOMEM; in ocmem_allocate()
245 buf->offset = 0; in ocmem_allocate()
246 buf->addr = device_address(ocmem, client, buf->offset); in ocmem_allocate()
247 buf->len = size; in ocmem_allocate()
253 buf->offset, buf->len, WIDE_MODE); in ocmem_allocate()
255 dev_err(ocmem->dev, "could not lock: %d\n", ret); in ocmem_allocate()
256 ret = -EINVAL; in ocmem_allocate()
260 ocmem_write(ocmem, OCMEM_REG_GFX_MPU_START, buf->offset); in ocmem_allocate()
262 buf->offset + buf->len); in ocmem_allocate()
265 dev_dbg(ocmem->dev, "using %ldK of OCMEM at 0x%08lx for client %d\n", in ocmem_allocate()
266 size / 1024, buf->addr, client); in ocmem_allocate()
273 clear_bit_unlock(BIT(client), &ocmem->active_allocations); in ocmem_allocate()
292 buf->offset, buf->len); in ocmem_free()
294 dev_err(ocmem->dev, "could not unlock: %d\n", ret); in ocmem_free()
302 clear_bit_unlock(BIT(client), &ocmem->active_allocations); in ocmem_free()
308 struct device *dev = &pdev->dev; in ocmem_dev_probe()
315 return -EPROBE_DEFER; in ocmem_dev_probe()
319 return -ENOMEM; in ocmem_dev_probe()
321 ocmem->dev = dev; in ocmem_dev_probe()
322 ocmem->config = device_get_match_data(dev); in ocmem_dev_probe()
326 if (ret != -EPROBE_DEFER) in ocmem_dev_probe()
333 ocmem->mmio = devm_ioremap_resource(&pdev->dev, res); in ocmem_dev_probe()
334 if (IS_ERR(ocmem->mmio)) { in ocmem_dev_probe()
335 dev_err(&pdev->dev, "Failed to ioremap ocmem_ctrl resource\n"); in ocmem_dev_probe()
336 return PTR_ERR(ocmem->mmio); in ocmem_dev_probe()
339 ocmem->memory = platform_get_resource_byname(pdev, IORESOURCE_MEM, in ocmem_dev_probe()
341 if (!ocmem->memory) { in ocmem_dev_probe()
343 return -ENXIO; in ocmem_dev_probe()
351 dev_info(ocmem->dev, "Failed to enable clocks\n"); in ocmem_dev_probe()
359 dev_err(dev, "Could not enable secure configuration\n"); in ocmem_dev_probe()
371 ocmem->num_ports = OCMEM_HW_PROFILE_NUM_PORTS(reg); in ocmem_dev_probe()
372 ocmem->num_macros = OCMEM_HW_PROFILE_NUM_MACROS(reg); in ocmem_dev_probe()
373 ocmem->interleaved = !!(reg & OCMEM_HW_PROFILE_INTERLEAVING); in ocmem_dev_probe()
375 num_banks = ocmem->num_ports / 2; in ocmem_dev_probe()
376 region_size = ocmem->config->macro_size * num_banks; in ocmem_dev_probe()
378 dev_info(dev, "%u ports, %u regions, %u macros, %sinterleaved\n", in ocmem_dev_probe()
379 ocmem->num_ports, ocmem->config->num_regions, in ocmem_dev_probe()
380 ocmem->num_macros, ocmem->interleaved ? "" : "not "); in ocmem_dev_probe()
382 ocmem->regions = devm_kcalloc(dev, ocmem->config->num_regions, in ocmem_dev_probe()
384 if (!ocmem->regions) { in ocmem_dev_probe()
385 ret = -ENOMEM; in ocmem_dev_probe()
389 for (i = 0; i < ocmem->config->num_regions; i++) { in ocmem_dev_probe()
390 struct ocmem_region *region = &ocmem->regions[i]; in ocmem_dev_probe()
392 if (WARN_ON(num_banks > ARRAY_SIZE(region->macro_state))) { in ocmem_dev_probe()
393 ret = -EINVAL; in ocmem_dev_probe()
397 region->mode = MODE_DEFAULT; in ocmem_dev_probe()
398 region->num_macros = num_banks; in ocmem_dev_probe()
400 if (i == (ocmem->config->num_regions - 1) && in ocmem_dev_probe()
402 region->macro_size = ocmem->config->macro_size / 2; in ocmem_dev_probe()
403 region->region_size = region_size / 2; in ocmem_dev_probe()
405 region->macro_size = ocmem->config->macro_size; in ocmem_dev_probe()
406 region->region_size = region_size; in ocmem_dev_probe()
409 for (j = 0; j < ARRAY_SIZE(region->macro_state); j++) in ocmem_dev_probe()
410 region->macro_state[j] = CLK_OFF; in ocmem_dev_probe()
435 { .compatible = "qcom,msm8974-ocmem", .data = &ocmem_8974_config },