Patchwork [U-Boot,v2,3/3] ARM: at91sam9n12: add network support with ksz8851_16mll

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Submitter Bo Shen
Date April 24, 2013, 2:46 a.m.
Message ID <1366771578-18622-4-git-send-email-voice.shen@atmel.com>
Download mbox | patch
Permalink /patch/239035/
State Accepted
Delegated to: Joe Hershberger
Headers show

Comments

Bo Shen - April 24, 2013, 2:46 a.m.
add network support with ksz8851_16mll on at91sam9n12ek board

Signed-off-by: Bo Shen <voice.shen@atmel.com>
---
Change in v2
  No change
---
 board/atmel/at91sam9n12ek/at91sam9n12ek.c |   36 +++++++++++++++++++++++++++++
 include/configs/at91sam9n12ek.h           |    4 ++++
 2 files changed, 40 insertions(+)
Andreas Bießmann - May 12, 2013, 11:57 a.m.
Dear Bo Shen,

On 24.04.2013 04:46, Bo Shen wrote:
> add network support with ksz8851_16mll on at91sam9n12ek board
>
> Signed-off-by: Bo Shen <voice.shen@atmel.com>

Acked-by: Andreas Bießmann <andreas.devel@googlemail.com>

> ---
> Change in v2
>    No change
> ---
>   board/atmel/at91sam9n12ek/at91sam9n12ek.c |   36 +++++++++++++++++++++++++++++
>   include/configs/at91sam9n12ek.h           |    4 ++++
>   2 files changed, 40 insertions(+)

Patch

diff --git a/board/atmel/at91sam9n12ek/at91sam9n12ek.c b/board/atmel/at91sam9n12ek/at91sam9n12ek.c
index 8752794..3013a42 100644
--- a/board/atmel/at91sam9n12ek/at91sam9n12ek.c
+++ b/board/atmel/at91sam9n12ek/at91sam9n12ek.c
@@ -33,6 +33,7 @@ 
 #include <lcd.h>
 #include <atmel_hlcdc.h>
 #include <atmel_mci.h>
+#include <netdev.h>
 
 #ifdef CONFIG_LCD_INFO
 #include <nand.h>
@@ -190,6 +191,30 @@  int board_mmc_init(bd_t *bd)
 }
 #endif
 
+#ifdef CONFIG_KS8851_MLL
+void at91sam9n12ek_ks8851_hw_init(void)
+{
+	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+
+	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
+	       AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
+	       &smc->cs[2].setup);
+	writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) |
+	       AT91_SMC_PULSE_NRD(7) | AT91_SMC_PULSE_NCS_RD(7),
+	       &smc->cs[2].pulse);
+	writel(AT91_SMC_CYCLE_NWE(9) | AT91_SMC_CYCLE_NRD(9),
+	       &smc->cs[2].cycle);
+	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+	       AT91_SMC_MODE_EXNW_DISABLE |
+	       AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
+	       AT91_SMC_MODE_TDF_CYCLE(1),
+	       &smc->cs[2].mode);
+
+	/* Configure NCS2 PIN */
+	at91_set_b_periph(AT91_PIO_PORTD, 19, 0);
+}
+#endif
+
 int board_early_init_f(void)
 {
 	/* Enable clocks for all PIOs */
@@ -217,9 +242,20 @@  int board_init(void)
 	at91_lcd_hw_init();
 #endif
 
+#ifdef CONFIG_KS8851_MLL
+	at91sam9n12ek_ks8851_hw_init();
+#endif
+
 	return 0;
 }
 
+#ifdef CONFIG_KS8851_MLL
+int board_eth_init(bd_t *bis)
+{
+	return ks8851_mll_initialize(0, CONFIG_KS8851_MLL_BASEADDR);
+}
+#endif
+
 int dram_init(void)
 {
 	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
diff --git a/include/configs/at91sam9n12ek.h b/include/configs/at91sam9n12ek.h
index 8d2673d..b4b1c31 100644
--- a/include/configs/at91sam9n12ek.h
+++ b/include/configs/at91sam9n12ek.h
@@ -167,6 +167,10 @@ 
 #define CONFIG_DOS_PARTITION
 #endif
 
+/* Ethernet */
+#define CONFIG_KS8851_MLL
+#define CONFIG_KS8851_MLL_BASEADDR	0x30000000 /* use NCS2 */
+
 #define CONFIG_SYS_LOAD_ADDR		0x22000000 /* load address */
 
 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE