w83627hf: Add station id of IPC BX-56A

The simatic IPC BX-56A shares the same nct6116 superio chip as the BX-59A. Allow efibootguard to configure the w83627hf watchdog for BX-56A by adding its station id. Signed-off-by: Tobias Schaffner <[email protected]> Signed-off-by: Jan Kiszka <[email protected]>
siemens · May 17, 2024 · 7dee866 · 7dee866
1 parent a23409e
commit 7dee866
Show file tree

Hide file tree

Showing 3 changed files with 4 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -33,7 +33,7 @@ The following watchdog drivers are implemented (and are probed in this order):
 * Intel i6300esb
 * Intel Quark
 * Siemens SIMATIC IPC4x7E
-* Siemens SIMATIC BX-59A
+* Siemens SIMATIC BX-56A and BX-59A
 * Intel TCO
 * HPE ProLiant
 

diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c
@@ -208,11 +208,12 @@ static EFI_STATUS init(EFI_PCI_IO *pci_io, UINT16 pci_vendor_id,
 	}
 
 	switch (simatic_station_id()) {
+	case SIMATIC_IPCBX_56A:
 	case SIMATIC_IPCBX_59A:
 		chip = wdt_find(0x2e);
 		if (chip < 0)
 			return EFI_UNSUPPORTED;
-		INFO(L"Detected SIMATIC BX59A watchdog\n");
+		INFO(L"Detected SIMATIC BX5xA watchdog\n");
 		ret = w83627hf_init(chip);
 		if (ret < 0)
 			return EFI_UNSUPPORTED;

diff --git a/include/simatic.h b/include/simatic.h
@@ -25,6 +25,7 @@
 
 #define SIMATIC_IPC427E				0x0a01
 #define SIMATIC_IPC477E				0x0a02
+#define SIMATIC_IPCBX_56A			0x1201
 #define SIMATIC_IPCBX_59A			0x1202
 
 typedef struct {