On the boards at91sam9260ek, at91sam9263ek and afed9260, the rstc register was
set to 0 after being set to 500 ms for the PHY reset.
Do backup the old reset length and restore it after the MACB initialisation.
Signed-off-by: Sedji Gaouaou <sedji.gaou...@atmel.com>
---
board/afeb9260/afeb9260.c | 6 +++++-
board/atmel/at91sam9260ek/at91sam9260ek.c | 6 +++++-
board/atmel/at91sam9263ek/at91sam9263ek.c | 6 +++++-
3 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/board/afeb9260/afeb9260.c b/board/afeb9260/afeb9260.c
index a247663..b9d0929 100644
--- a/board/afeb9260/afeb9260.c
+++ b/board/afeb9260/afeb9260.c
@@ -81,6 +81,8 @@ static void afeb9260_nand_hw_init(void)
#ifdef CONFIG_MACB
static void afeb9260_macb_hw_init(void)
{
+ unsigned long rstc;
+
/* Enable clock */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_EMAC);
@@ -103,6 +105,8 @@ static void afeb9260_macb_hw_init(void)
pin_to_mask(AT91_PIN_PA28),
pin_to_controller(AT91_PIN_PA0) + PIO_PUDR);
+ rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
+
/* Need to reset PHY -> 500ms reset */
at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
AT91_RSTC_ERSTL | (0x0D << 8) |
@@ -115,7 +119,7 @@ static void afeb9260_macb_hw_init(void)
/* Restore NRST value */
at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
- AT91_RSTC_ERSTL | (0x0 << 8) |
+ (rstc) |
AT91_RSTC_URSTEN);
/* Re-enable pull-up */
diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c
b/board/atmel/at91sam9260ek/at91sam9260ek.c
index 6bd3b44..d7d60ba 100644
--- a/board/atmel/at91sam9260ek/at91sam9260ek.c
+++ b/board/atmel/at91sam9260ek/at91sam9260ek.c
@@ -86,6 +86,8 @@ static void at91sam9260ek_nand_hw_init(void)
#ifdef CONFIG_MACB
static void at91sam9260ek_macb_hw_init(void)
{
+ unsigned long rstc;
+
/* Enable clock */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_EMAC);
@@ -108,6 +110,8 @@ static void at91sam9260ek_macb_hw_init(void)
pin_to_mask(AT91_PIN_PA28),
pin_to_controller(AT91_PIN_PA0) + PIO_PUDR);
+ rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
+
/* Need to reset PHY -> 500ms reset */
at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
(AT91_RSTC_ERSTL & (0x0D << 8)) |
@@ -120,7 +124,7 @@ static void at91sam9260ek_macb_hw_init(void)
/* Restore NRST value */
at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
- (AT91_RSTC_ERSTL & (0x0 << 8)) |
+ (rstc) |
AT91_RSTC_URSTEN);
/* Re-enable pull-up */
diff --git a/board/atmel/at91sam9263ek/at91sam9263ek.c
b/board/atmel/at91sam9263ek/at91sam9263ek.c
index 57d5c95..59c6a96 100644
--- a/board/atmel/at91sam9263ek/at91sam9263ek.c
+++ b/board/atmel/at91sam9263ek/at91sam9263ek.c
@@ -91,6 +91,8 @@ static void at91sam9263ek_nand_hw_init(void)
#ifdef CONFIG_MACB
static void at91sam9263ek_macb_hw_init(void)
{
+ unsigned long rstc;
+
/* Enable clock */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC);
@@ -108,6 +110,8 @@ static void at91sam9263ek_macb_hw_init(void)
pin_to_mask(AT91_PIN_PE26),
pin_to_controller(AT91_PIN_PE0) + PIO_PUDR);
+ rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
+
/* Need to reset PHY -> 500ms reset */
at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
(AT91_RSTC_ERSTL & (0x0D << 8)) |
@@ -120,7 +124,7 @@ static void at91sam9263ek_macb_hw_init(void)
/* Restore NRST value */
at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
- (AT91_RSTC_ERSTL & (0x0 << 8)) |
+ (rstc) |
AT91_RSTC_URSTEN);
/* Re-enable pull-up */
--
1.5.3.7
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