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path: root/drivers/char/ipmi/ipmi_si_parisc.c
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Diffstat (limited to 'drivers/char/ipmi/ipmi_si_parisc.c')
-rw-r--r--drivers/char/ipmi/ipmi_si_parisc.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/char/ipmi/ipmi_si_parisc.c b/drivers/char/ipmi/ipmi_si_parisc.c
new file mode 100644
index 000000000..f3c99820f
--- /dev/null
+++ b/drivers/char/ipmi/ipmi_si_parisc.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <linux/module.h>
+#include <asm/hardware.h> /* for register_parisc_driver() stuff */
+#include <asm/parisc-device.h>
+#include "ipmi_si.h"
+
+static bool parisc_registered;
+
+static int __init ipmi_parisc_probe(struct parisc_device *dev)
+{
+ struct si_sm_io io;
+
+ memset(&io, 0, sizeof(io));
+
+ io.si_type = SI_KCS;
+ io.addr_source = SI_DEVICETREE;
+ io.addr_type = IPMI_MEM_ADDR_SPACE;
+ io.addr_data = dev->hpa.start;
+ io.regsize = 1;
+ io.regspacing = 1;
+ io.regshift = 0;
+ io.irq = 0; /* no interrupt */
+ io.irq_setup = NULL;
+ io.dev = &dev->dev;
+
+ dev_dbg(&dev->dev, "addr 0x%lx\n", io.addr_data);
+
+ return ipmi_si_add_smi(&io);
+}
+
+static int __exit ipmi_parisc_remove(struct parisc_device *dev)
+{
+ return ipmi_si_remove_by_dev(&dev->dev);
+}
+
+static const struct parisc_device_id ipmi_parisc_tbl[] __initconst = {
+ { HPHW_MC, HVERSION_REV_ANY_ID, 0x004, 0xC0 },
+ { 0, }
+};
+
+MODULE_DEVICE_TABLE(parisc, ipmi_parisc_tbl);
+
+static struct parisc_driver ipmi_parisc_driver __refdata = {
+ .name = "ipmi",
+ .id_table = ipmi_parisc_tbl,
+ .probe = ipmi_parisc_probe,
+ .remove = __exit_p(ipmi_parisc_remove),
+};
+
+void ipmi_si_parisc_init(void)
+{
+ register_parisc_driver(&ipmi_parisc_driver);
+ parisc_registered = true;
+}
+
+void ipmi_si_parisc_shutdown(void)
+{
+ if (parisc_registered)
+ unregister_parisc_driver(&ipmi_parisc_driver);
+}