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authorTom Rini <trini@konsulko.com>2023-05-03 09:23:21 -0400
committerTom Rini <trini@konsulko.com>2023-05-03 09:23:21 -0400
commit1807c0c70a73c7697f32c04cad20ea9cd11b248e (patch)
tree258d2fa7d274ed5048640ceef121841d49494784 /drivers/misc/qcom-geni-se.c
parent021e303492ccfdf58425bedb13c1621367cc5cc7 (diff)
parent8144210e750d42941eb8028fdfc4e027ef043d8f (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.c41
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,
+};