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ARM: at91sam9n12: add network support with ksz8851_16mll

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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>
This commit is contained in:
Bo Shen 2013-04-24 10:46:18 +08:00 committed by Joe Hershberger
parent 45a1693a31
commit 162762205f
2 changed files with 40 additions and 0 deletions
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36
board/atmel/at91sam9n12ek/at91sam9n12ek.c
View file

@ -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,

4
include/configs/at91sam9n12ek.h
View file

@ -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