[PATCH v2 1/3] e1000: implement register mapping for E1000_FLSW{CTL, DATA, CNT}

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Fixes: 4ff3269a70b5 ("e1000: Expose i210's external flash as MTD")
Acked-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
 drivers/net/e1000/e1000.h | 6 +++---
 drivers/net/e1000/regio.c | 9 +++++++++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index e6b493c84cc1..45514629dd72 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -447,11 +447,11 @@ struct e1000_tx_desc {
 #define E1000_FLASHT   0x01028  /* FLASH Timer Register */
 #define E1000_EEWR     (E1000_MIGHT_BE_REMAPPED | 0x0102C)  /* EEPROM Write Register - RW */
 #define E1000_I210_EEWR     0x12018  /* EEPROM Write Register - RW */
-#define E1000_FLSWCTL  0x01030  /* FLASH control register */
+#define E1000_FLSWCTL  (E1000_MIGHT_BE_REMAPPED | 0x01030)  /* FLASH control register */
 #define E1000_I210_FLSWCTL 0x12048  /* FLASH control register */
-#define E1000_FLSWDATA 0x01034  /* FLASH data register */
+#define E1000_FLSWDATA (E1000_MIGHT_BE_REMAPPED | 0x01034)  /* FLASH data register */
 #define E1000_I210_FLSWDATA 0x1204C  /* FLASH data register */
-#define E1000_FLSWCNT  0x01038  /* FLASH Access Counter */
+#define E1000_FLSWCNT  (E1000_MIGHT_BE_REMAPPED | 0x01038)  /* FLASH Access Counter */
 #define E1000_I210_FLSWCNT  0x12050  /* FLASH Access Counter */
 #define E1000_FLOP     0x0103C  /* FLASH Opcode Register */
 #define E1000_ERT      0x02008  /* Early Rx Threshold - RW */
diff --git a/drivers/net/e1000/regio.c b/drivers/net/e1000/regio.c
index 1610d5851f05..5b2740fbc289 100644
--- a/drivers/net/e1000/regio.c
+++ b/drivers/net/e1000/regio.c
@@ -16,6 +16,15 @@ static uint32_t e1000_true_offset(struct e1000_hw *hw, uint32_t reg)
 			case E1000_EEMNGCTL:
 				reg = E1000_I210_EEMNGCTL;
 				break;
+			case E1000_FLSWCTL:
+				reg = E1000_I210_FLSWCTL;
+				break;
+			case E1000_FLSWCNT:
+				reg = E1000_I210_FLSWCNT;
+				break;
+			case E1000_FLSWDATA:
+				reg = E1000_I210_FLSWDATA;
+				break;
 			}
 		}
 		reg &= ~E1000_MIGHT_BE_REMAPPED;
-- 
2.11.0


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