Ejemplo n.º 1
0
static int smc9115_pre_init(void)
{
	u32 smc_bw_conf, smc_bc_conf;
	int err;

	/* Ethernet needs data bus width of 16 bits */
	smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK)
			| SROMC_BYTE_ENABLE(CONFIG_ENV_SROM_BANK);

	smc_bc_conf = SROMC_BC_TACS(0x01) | SROMC_BC_TCOS(0x01)
			| SROMC_BC_TACC(0x06) | SROMC_BC_TCOH(0x01)
			| SROMC_BC_TAH(0x0C)  | SROMC_BC_TACP(0x09)
			| SROMC_BC_PMC(0x01);

	/* Select and configure the SROMC bank */
	err = exynos_pinmux_config(PERIPH_ID_SROMC,
				CONFIG_ENV_SROM_BANK | PINMUX_FLAG_16BIT);
	if (err) {
		debug("SROMC not configured\n");
		return err;
	}

	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
	return 0;
}
Ejemplo n.º 2
0
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_SMC911X
	u32 smc_bw_conf, smc_bc_conf;
	struct fdt_sromc config;
	fdt_addr_t base_addr;
	int node;

	node = decode_sromc(gd->fdt_blob, &config);
	if (node < 0) {
		debug("%s: Could not find sromc configuration\n", __func__);
		return 0;
	}
	node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
	if (node < 0) {
		debug("%s: Could not find lan9215 configuration\n", __func__);
		return 0;
	}

	/* We now have a node, so any problems from now on are errors */
	base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
	if (base_addr == FDT_ADDR_T_NONE) {
		debug("%s: Could not find lan9215 address\n", __func__);
		return -1;
	}

	/* Ethernet needs data bus width of 16 bits */
	if (config.width != 2) {
		debug("%s: Unsupported bus width %d\n", __func__,
		      config.width);
		return -1;
	}
	smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
			| SROMC_BYTE_ENABLE(config.bank);

	smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS])   |
			SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
			SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
			SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
			SROMC_BC_TAH(config.timing[FDT_SROM_TAH])   |
			SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
			SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);

	/* Select and configure the SROMC bank */
	exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
	s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
	return smc911x_initialize(0, base_addr);
#endif
	return 0;
}
Ejemplo n.º 3
0
static void smc9115_pre_init(void)
{
	u32 smc_bw_conf, smc_bc_conf;

	/* gpio configuration GPK0CON */
	gpio_cfg_pin(EXYNOS4_GPIO_Y00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));

	/* Ethernet needs bus width of 16 bits */
	smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
	smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
			| SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
			| SROMC_BC_TAH(0x0F)  | SROMC_BC_TACP(0x0F)
			| SROMC_BC_PMC(0x0F);

	/* Select and configure the SROMC bank */
	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
}
Ejemplo n.º 4
0
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_SMC911X
	u32 smc_bw_conf, smc_bc_conf;
	struct fdt_sromc config;
	fdt_addr_t base_addr;

	/* Non-FDT configuration - bank number and timing parameters*/
	config.bank = CONFIG_ENV_SROM_BANK;
	config.width = 2;

	config.timing[FDT_SROM_TACS] = 0x01;
	config.timing[FDT_SROM_TCOS] = 0x01;
	config.timing[FDT_SROM_TACC] = 0x06;
	config.timing[FDT_SROM_TCOH] = 0x01;
	config.timing[FDT_SROM_TAH] = 0x0C;
	config.timing[FDT_SROM_TACP] = 0x09;
	config.timing[FDT_SROM_PMC] = 0x01;
	base_addr = CONFIG_SMC911X_BASE;

	/* Ethernet needs data bus width of 16 bits */
	if (config.width != 2) {
		debug("%s: Unsupported bus width %d\n", __func__,
			config.width);
		return -1;
	}
	smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
			| SROMC_BYTE_ENABLE(config.bank);

	smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS])   |\
			SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |\
			SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |\
			SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |\
			SROMC_BC_TAH(config.timing[FDT_SROM_TAH])   |\
			SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |\
			SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);

	/* Select and configure the SROMC bank */
	exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
	s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
	return smc911x_initialize(0, base_addr);
#endif
	return 0;
}