diff options
author | Tom Rini <trini@konsulko.com> | 2023-05-03 09:23:21 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2023-05-03 09:23:21 -0400 |
commit | 1807c0c70a73c7697f32c04cad20ea9cd11b248e (patch) | |
tree | 258d2fa7d274ed5048640ceef121841d49494784 /drivers/misc/qcom-geni-se.c | |
parent | 021e303492ccfdf58425bedb13c1621367cc5cc7 (diff) | |
parent | 8144210e750d42941eb8028fdfc4e027ef043d8f (diff) |
Merge branch '2023-05-02-assorted-platform-updates-and-additions'
- Updates for starqltechn and other qualcomm platforms, hi3798mv200,
Broadcom Northstar, and mediatek platforms
- Drop omap5_uevm, and assorted TI platform updates
- Add MAX14526
Diffstat (limited to 'drivers/misc/qcom-geni-se.c')
-rw-r--r-- | drivers/misc/qcom-geni-se.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/misc/qcom-geni-se.c b/drivers/misc/qcom-geni-se.c new file mode 100644 index 00000000000..281a5ec819a --- /dev/null +++ b/drivers/misc/qcom-geni-se.c @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm Generic Interface (GENI) Serial Engine (SE) Wrapper + * + * Copyright (C) 2023 Linaro Ltd. <vladimir.zapolskiy@linaro.org> + */ + +#include <common.h> +#include <dm.h> +#include <misc.h> +#include <asm/io.h> + +static int geni_se_qup_read(struct udevice *dev, int offset, + void *buf, int size) +{ + fdt_addr_t base = dev_read_addr(dev); + + if (size != sizeof(u32)) + return -EINVAL; + + *(u32 *)buf = readl(base + offset); + + return size; +} + +static struct misc_ops geni_se_qup_ops = { + .read = geni_se_qup_read, +}; + +static const struct udevice_id geni_se_qup_ids[] = { + { .compatible = "qcom,geni-se-qup" }, + {} +}; + +U_BOOT_DRIVER(geni_se_qup) = { + .name = "geni_se_qup", + .id = UCLASS_MISC, + .of_match = geni_se_qup_ids, + .ops = &geni_se_qup_ops, + .flags = DM_FLAG_PRE_RELOC, +}; |