1 // SPDX-License-Identifier: GPL-2.0-only
34 	writel(value, riscv->regs + offset);  in riscv_writel()
39 	struct tegra_drm_riscv_descriptor *bl = &riscv->bl_desc;  in tegra_drm_riscv_read_descriptors()  local
40 	struct tegra_drm_riscv_descriptor *os = &riscv->os_desc;  in tegra_drm_riscv_read_descriptors()
41 	const struct device_node *np = riscv->dev->of_node;  in tegra_drm_riscv_read_descriptors()
44 #define READ_PROP(name, location) \  in tegra_drm_riscv_read_descriptors()  argument
45 	err = of_property_read_u32(np, name, location); \  in tegra_drm_riscv_read_descriptors()
47 		dev_err(riscv->dev, "failed to read " name ": %d\n", err); \  in tegra_drm_riscv_read_descriptors()
51 	READ_PROP("nvidia,bl-manifest-offset", &bl->manifest_offset);  in tegra_drm_riscv_read_descriptors()
52 	READ_PROP("nvidia,bl-code-offset", &bl->code_offset);  in tegra_drm_riscv_read_descriptors()
53 	READ_PROP("nvidia,bl-data-offset", &bl->data_offset);  in tegra_drm_riscv_read_descriptors()
54 	READ_PROP("nvidia,os-manifest-offset", &os->manifest_offset);  in tegra_drm_riscv_read_descriptors()
55 	READ_PROP("nvidia,os-code-offset", &os->code_offset);  in tegra_drm_riscv_read_descriptors()
56 	READ_PROP("nvidia,os-data-offset", &os->data_offset);  in tegra_drm_riscv_read_descriptors()
59 	if (bl->manifest_offset == 0 && bl->code_offset == 0 &&  in tegra_drm_riscv_read_descriptors()
60 	    bl->data_offset == 0 && os->manifest_offset == 0 &&  in tegra_drm_riscv_read_descriptors()
61 	    os->code_offset == 0 && os->data_offset == 0) {  in tegra_drm_riscv_read_descriptors()
62 		dev_err(riscv->dev, "descriptors not available\n");  in tegra_drm_riscv_read_descriptors()
63 		return -EINVAL;  in tegra_drm_riscv_read_descriptors()
78 	addr = image_address + desc->manifest_offset;  in tegra_drm_riscv_boot_bootrom()
82 	addr = image_address + desc->code_offset;  in tegra_drm_riscv_boot_bootrom()
86 	addr = image_address + desc->data_offset;  in tegra_drm_riscv_boot_bootrom()
97 		riscv->regs + RISCV_BR_RETCODE, val,  in tegra_drm_riscv_boot_bootrom()
101 		dev_err(riscv->dev, "error during bootrom execution. BR_RETCODE=%d\n", val);  in tegra_drm_riscv_boot_bootrom()