Skip to contentSkip to conversation

at91: modified NAND flash timing on otc570 board

PATCH New Daniel Gorsulowski 2 participants 2 messages Jan 25, 2012 – Feb 20, 2012

lore
Share & tools
lore

Daniel Gorsulowski

author
#0 lore raw

PATCH 2/2 at91: modified NAND flash timing on otc570 board

Signed-off-by Daniel Gorsulowski <[email protected]>
---
 board/esd/otc570/otc570.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
board/esd/otc570/otc570.c +4 -4
index 5dded41..0c12b66 100644
@@ -81,20 +81,20 @@ static void otc570_nand_hw_init(void)
 	writel(csa, &matrix->csa[0]);
 
 	/* Configure SMC CS3 for NAND/SmartMedia */
-	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
-		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
+	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
+		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(2),
 		&smc->cs[3].setup);
 
 	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
 		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
 		&smc->cs[3].pulse);
 
-	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
+	writel(AT91_SMC_CYCLE_NWE(6) | AT91_SMC_CYCLE_NRD(6),
 		&smc->cs[3].cycle);
 	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
 		AT91_SMC_MODE_EXNW_DISABLE |
 		AT91_SMC_MODE_DBW_8 |
-		AT91_SMC_MODE_TDF_CYCLE(3),
+		AT91_SMC_MODE_TDF_CYCLE(12),
 		&smc->cs[3].mode);
 
 	/* Configure RDY/BSY */
Signature · 1 line
1.5.3
#1 lore raw

PATCH 2/2 at91: modified NAND flash timing on otc570 board

Hi Daniel,

Le 25/01/2012 14:19, Daniel Gorsulowski a ?crit :

Quoted 24 lines
Signed-off-by Daniel Gorsulowski<[email protected]>
---
  board/esd/otc570/otc570.c |    8 ++++----
  1 files changed, 4 insertions(+), 4 deletions(-)
board/esd/otc570/otc570.c +2 -3
index 5dded41..0c12b66 100644
@@ -81,20 +81,20 @@ static void otc570_nand_hw_init(void)
  	writel(csa,&matrix->csa[0]);
 
  	/* Configure SMC CS3 for NAND/SmartMedia */
-	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
-		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
+	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
+		AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(2),
  		&smc->cs[3].setup);
 
  	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
  		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
  		&smc->cs[3].pulse);
 
-	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),

board/esd/otc570/otc570.c static void otc570_nand_hw_init(void) · line 100

Quoted 10 lines
board/esd/otc570/otc570.c +2 -1
+	writel(AT91_SMC_CYCLE_NWE(6) | AT91_SMC_CYCLE_NRD(6),
  		&smc->cs[3].cycle);
  	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
  		AT91_SMC_MODE_EXNW_DISABLE |
  		AT91_SMC_MODE_DBW_8 |
-		AT91_SMC_MODE_TDF_CYCLE(3),
+		AT91_SMC_MODE_TDF_CYCLE(12),
  		&smc->cs[3].mode);
 
  	/* Configure RDY/BSY */

Considered as a bug fix, and

Applied to u-boot-arm/master, thanks.

Amicalement,

Signature · 1 line
Albert.