[U-Boot] [PATCH 2/2] ARM: at91sam9n12: add network support with ksz8851_16mll

Bo Shen
2013-04-23T10:17:28Z

add network support with ksz8851_16mll on at91sam9n12ek board

Signed-off-by: Bo Shen <voice.shen@atmel.com>
---
board/atmel/at91sam9n12ek/at91sam9n12ek.c | 36 +++++++++++++++++++++++++++++
include/configs/at91sam9n12ek.h | 4 ++++
2 files changed, 40 insertions(+)

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
--
1.7.9.5