wifi: rtw89: mac: add specific case to dump mac memory for RTL8922D

The RTL8922D can reuse most mac memory addresses, but only
RTW89_MAC_MEM_SECURITY_CAM is different from existing one. Add a function
to return the specific memory address for RTL8922D.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260325072130.41751-5-pkshih@realtek.com

4 files changed, 17 insertions, 4 deletions

diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c
index 82849d109cc3..7d8d22311018 100644
--- a/drivers/net/wireless/realtek/rtw89/debug.c
+++ b/drivers/net/wireless/realtek/rtw89/debug.c
@@ -1129,7 +1129,7 @@ static int rtw89_debug_dump_mac_mem(struct rtw89_dev *rtwdev,
 	pages = len / mem_page_size + 1;
 	start_page = start_addr / mem_page_size;
 	residue = start_addr % mem_page_size;
-	base_addr = mac->mem_base_addrs[sel];
+	base_addr = rtw89_mac_mem_base_addrs(rtwdev, sel);
 	base_addr += start_page * mem_page_size;
 
 	for (pp = 0; pp < pages; pp++) {
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 35fd18fe6470..54aad37485d6 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -43,7 +43,7 @@ static void rtw89_mac_mem_write(struct rtw89_dev *rtwdev, u32 offset,
 				u32 val, enum rtw89_mac_mem_sel sel)
 {
 	const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;
-	u32 addr = mac->mem_base_addrs[sel] + offset;
+	u32 addr = rtw89_mac_mem_base_addrs(rtwdev, sel) + offset;
 
 	rtw89_write32(rtwdev, mac->filter_model_addr, addr);
 	rtw89_write32(rtwdev, mac->indir_access_addr, val);
@@ -53,7 +53,7 @@ static u32 rtw89_mac_mem_read(struct rtw89_dev *rtwdev, u32 offset,
 			      enum rtw89_mac_mem_sel sel)
 {
 	const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;
-	u32 addr = mac->mem_base_addrs[sel] + offset;
+	u32 addr = rtw89_mac_mem_base_addrs(rtwdev, sel) + offset;
 
 	rtw89_write32(rtwdev, mac->filter_model_addr, addr);
 	return rtw89_read32(rtwdev, mac->indir_access_addr);
diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h
index 88a877556cb3..93bedf056f17 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.h
+++ b/drivers/net/wireless/realtek/rtw89/mac.h
@@ -334,6 +334,7 @@ enum rtw89_mac_dbg_port_sel {
 #define NAT25_CAM_BASE_ADDR_BE		0x18820000
 #define RXPLD_FLTR_CAM_BASE_ADDR_BE	0x18823000
 #define SEC_CAM_BASE_ADDR_BE		0x18824000
+#define SEC_CAM_BASE_ADDR_BE_8922D	0x1882C000
 #define WOW_CAM_BASE_ADDR_BE		0x18828000
 #define MLD_TBL_BASE_ADDR_BE		0x18829000
 #define RX_CLSF_CAM_BASE_ADDR_BE	0x1882A000
@@ -1132,6 +1133,18 @@ extern const struct rtw89_mac_gen_def rtw89_mac_gen_ax;
 extern const struct rtw89_mac_gen_def rtw89_mac_gen_be;
 
 static inline
+u32 rtw89_mac_mem_base_addrs(struct rtw89_dev *rtwdev, u8 sel)
+{
+	const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;
+
+	if (rtwdev->chip->chip_id == RTL8922D &&
+	    sel == RTW89_MAC_MEM_SECURITY_CAM)
+		return SEC_CAM_BASE_ADDR_BE_8922D;
+
+	return mac->mem_base_addrs[sel];
+}
+
+static inline
 u32 rtw89_mac_reg_by_idx(struct rtw89_dev *rtwdev, u32 reg_base, u8 band)
 {
 	const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;
diff --git a/drivers/net/wireless/realtek/rtw89/ser.c b/drivers/net/wireless/realtek/rtw89/ser.c
index 75220042a9a7..a507ce1fcd63 100644
--- a/drivers/net/wireless/realtek/rtw89/ser.c
+++ b/drivers/net/wireless/realtek/rtw89/ser.c
@@ -589,7 +589,7 @@ static void ser_mac_mem_dump(struct rtw89_dev *rtwdev, u8 *buf,
 
 	start_page = start_addr / mem_page_size;
 	residue = start_addr % mem_page_size;
-	base_addr = mac->mem_base_addrs[sel];
+	base_addr = rtw89_mac_mem_base_addrs(rtwdev, sel);
 	base_addr += start_page * mem_page_size;
 
 	while (cnt < len) {