Lines Matching full:fuse
22 #include <soc/tegra/fuse.h>
24 #include "fuse.h"
61 static struct tegra_fuse *fuse = &(struct tegra_fuse) { variable
101 struct tegra_fuse *fuse = priv; in tegra_fuse_read() local
105 buffer[i] = fuse->read(fuse, offset + i * 4); in tegra_fuse_read()
112 fuse->base = (void __iomem *)base; in tegra_fuse_restore()
113 fuse->clk = NULL; in tegra_fuse_restore()
118 void __iomem *base = fuse->base; in tegra_fuse_probe()
128 fuse->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); in tegra_fuse_probe()
129 if (IS_ERR(fuse->base)) in tegra_fuse_probe()
130 return PTR_ERR(fuse->base); in tegra_fuse_probe()
131 fuse->phys = res->start; in tegra_fuse_probe()
133 fuse->clk = devm_clk_get(&pdev->dev, "fuse"); in tegra_fuse_probe()
134 if (IS_ERR(fuse->clk)) { in tegra_fuse_probe()
135 if (PTR_ERR(fuse->clk) != -EPROBE_DEFER) in tegra_fuse_probe()
136 dev_err(&pdev->dev, "failed to get FUSE clock: %ld", in tegra_fuse_probe()
137 PTR_ERR(fuse->clk)); in tegra_fuse_probe()
139 return PTR_ERR(fuse->clk); in tegra_fuse_probe()
142 platform_set_drvdata(pdev, fuse); in tegra_fuse_probe()
143 fuse->dev = &pdev->dev; in tegra_fuse_probe()
149 if (fuse->soc->probe) { in tegra_fuse_probe()
150 err = fuse->soc->probe(fuse); in tegra_fuse_probe()
157 nvmem.name = "fuse"; in tegra_fuse_probe()
160 nvmem.cells = fuse->soc->cells; in tegra_fuse_probe()
161 nvmem.ncells = fuse->soc->num_cells; in tegra_fuse_probe()
162 nvmem.keepout = fuse->soc->keepouts; in tegra_fuse_probe()
163 nvmem.nkeepout = fuse->soc->num_keepouts; in tegra_fuse_probe()
168 nvmem.size = fuse->soc->info->size; in tegra_fuse_probe()
171 nvmem.priv = fuse; in tegra_fuse_probe()
173 fuse->nvmem = devm_nvmem_register(&pdev->dev, &nvmem); in tegra_fuse_probe()
174 if (IS_ERR(fuse->nvmem)) { in tegra_fuse_probe()
175 err = PTR_ERR(fuse->nvmem); in tegra_fuse_probe()
181 fuse->rst = devm_reset_control_get_optional(&pdev->dev, "fuse"); in tegra_fuse_probe()
182 if (IS_ERR(fuse->rst)) { in tegra_fuse_probe()
183 err = PTR_ERR(fuse->rst); in tegra_fuse_probe()
184 dev_err(&pdev->dev, "failed to get FUSE reset: %pe\n", in tegra_fuse_probe()
185 fuse->rst); in tegra_fuse_probe()
190 * FUSE clock is enabled at a boot time, hence this resume/suspend in tegra_fuse_probe()
197 err = reset_control_reset(fuse->rst); in tegra_fuse_probe()
201 dev_err(&pdev->dev, "failed to reset FUSE: %d\n", err); in tegra_fuse_probe()
215 err = clk_prepare_enable(fuse->clk); in tegra_fuse_runtime_resume()
217 dev_err(dev, "failed to enable FUSE clock: %d\n", err); in tegra_fuse_runtime_resume()
226 clk_disable_unprepare(fuse->clk); in tegra_fuse_runtime_suspend()
239 if (fuse->soc->clk_suspend_on) in tegra_fuse_suspend()
251 if (fuse->soc->clk_suspend_on) in tegra_fuse_resume()
267 .name = "tegra-fuse",
278 unsigned int offset = fuse->soc->info->spare + spare * 4; in tegra_fuse_read_spare()
280 return fuse->read_early(fuse, offset) & 1; in tegra_fuse_read_spare()
285 return fuse->read_early(fuse, offset); in tegra_fuse_read_early()
290 if (!fuse->read || !fuse->clk) in tegra_fuse_readl()
293 if (IS_ERR(fuse->clk)) in tegra_fuse_readl()
294 return PTR_ERR(fuse->clk); in tegra_fuse_readl()
296 *value = fuse->read(fuse, offset); in tegra_fuse_readl()
311 * Enable FUSE clock. This needs to be hardcoded because the clock in tegra_enable_fuse_clk()
391 attr->custom_attr_group = fuse->soc->soc_attr_group; in tegra_soc_device_register()
418 * a FUSE node. in tegra_init_fuse()
421 * that didn't contain a FUSE node. in tegra_init_fuse()
433 fuse->soc = &tegra20_fuse_soc; in tegra_init_fuse()
439 fuse->soc = &tegra30_fuse_soc; in tegra_init_fuse()
445 fuse->soc = &tegra114_fuse_soc; in tegra_init_fuse()
451 fuse->soc = &tegra124_fuse_soc; in tegra_init_fuse()
472 pr_err("failed to get FUSE register\n"); in tegra_init_fuse()
476 fuse->soc = match->data; in tegra_init_fuse()
492 fuse->base = ioremap(regs.start, resource_size(®s)); in tegra_init_fuse()
493 if (!fuse->base) { in tegra_init_fuse()
494 pr_err("failed to map FUSE registers\n"); in tegra_init_fuse()
498 fuse->soc->init(fuse); in tegra_init_fuse()
507 if (fuse->soc->lookups) { in tegra_init_fuse()
508 size_t size = sizeof(*fuse->lookups) * fuse->soc->num_lookups; in tegra_init_fuse()
510 fuse->lookups = kmemdup(fuse->soc->lookups, size, GFP_KERNEL); in tegra_init_fuse()
511 if (fuse->lookups) in tegra_init_fuse()
512 nvmem_add_cell_lookups(fuse->lookups, fuse->soc->num_lookups); in tegra_init_fuse()