Esempio n. 1
0
	/* Set Initial global variables */
	s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;

	//smc9115_pre_init();

	pwm_pre_init();

	gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;

	return 0;
}

int dram_init(void)
{
	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);

	return 0;
}

void dram_init_banksize(void)
{
	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
}

#ifdef CONFIG_DISPLAY_BOARDINFO
int checkboard(void)
{
	printf("\nBoard: FriendlyARM-TINY210\n");
	return 0;
}
#endif

int board_eth_init(bd_t *bis)
{
	int rc = 0;
#ifdef CONFIG_SMC911X
	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
#endif
	return rc;
}

ulong virt_to_phy_smdkc110(ulong addr)
{
	if ((0xc0000000 <= addr) && (addr < 0xd0000000))
		return (addr - 0xc0000000 + 0x20000000);
	else
		printf("The input address don't need "\
			"a virtual-to-physical translation : %08lx\n", addr);

	return addr;
}

#ifdef CONFIG_GENERIC_MMC
#define MOUTMMC (50000000) /* 50MHz */
int board_mmc_init(bd_t *bis)
{
	int i;
	struct s5pc110_clock *clk =
		(struct s5pc110_clock *)samsung_get_base_clock();
	unsigned long clk_src, clk_div, mpll, div;

	/*
	 * MMC0 GPIO
	 * GPG0[0]      SD_0_CLK
	 * GPG0[1]      SD_0_CMD
	 * GPG0[2]      SD_0_CDn        -> Not used
	 * GPG0[3:6]    SD_0_DATA[0:3]
	 *
	 * MMC1 GPIO
	 * GPG1[0]      SD_1_CLK
	 * GPG1[1]      SD_1_CMD
	 * GPG1[2]      SD_1_CDn        -> Not used
	 * GPG1[3:6]    SD_1_DATA[0:3]
	 */
	for (i = 0; i < 7; i++) {
		if (i == 2)
			continue;
		/* GPG0[0:6] special function 2 */
		s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
		/* GPG0[0:6] pull disable */
		s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
		/* GPG0[0:6] drv 4x */
		s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);

		/* GPG1[0:6] special function 2 */
		s5p_gpio_cfg_pin(&s5pc110_gpio->g1, i, 0x2);
		/* GPG1[0:6] pull disable */
		s5p_gpio_set_pull(&s5pc110_gpio->g1, i, GPIO_PULL_NONE);
		/* GPG1[0:6] drv 4x */
		s5p_gpio_set_drv(&s5pc110_gpio->g1, i, GPIO_DRV_4X);
	}

	clk_src = readl(&clk->res9[0]); /* CLK_SRC4 */
	clk_src &= ~((0xf << 4) | 0xf);
	clk_src |= (0x6 << 4) | 0x6; /* Set MMC0/1_SEL to SCLK_MPLL */

	mpll = get_pll_clk(MPLL);
	div = ((mpll + MOUTMMC) / MOUTMMC) - 1;

	clk_div = readl(&clk->div4);
	clk_div &= ~((0xf << 4) | 0xf);
	clk_div |= (div << 4) | div;

	writel(clk_src, &clk->res9[0]);
	writel(clk_div, &clk->div4);

	return (s5p_mmc_init(0, 4) || s5p_mmc_init(1, 4));
}
Esempio n. 2
0
int print_cpuinfo(void)
{
#ifdef CONFIG_EXYNOS5
	unsigned int cpuid;
	unsigned int subrev;

	__asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid));
	subrev = (readl(EXYNOS5_PRO_ID) & 0x0000000F);

	printf("CPU: %s%x Rev%x.%x [Samsung SOC on SMP Platform Base on ARM CortexA%d]\n"	\
		, s5p_get_cpu_name(), s5p_cpu_id, s5p_cpu_rev, subrev, ((cpuid >> 4) & 0xf));

#if defined(CONFIG_CPU_EXYNOS5410) || defined(CONFIG_CPU_EXYNOS5420)
	unsigned int apll = get_pll_clk(APLL);
	unsigned int kpll = get_pll_clk(KPLL);
	unsigned int mpll = get_pll_clk(MPLL);
	unsigned int bpll = get_pll_clk(BPLL);

	printf("APLL = %ldMHz, KPLL = %ldMHz\n", apll/1000000, kpll/1000000);
	printf("MPLL = %ldMHz, BPLL = %ldMHz\n", mpll/1000000, bpll/1000000);
#endif
#else
	char buf[32];

	if (s5p_cpu_id == 0x4412 || s5p_cpu_id == 0x4212) {
		printf("CPU: %s%X [Samsung SOC on SMP Platform Base on ARM CortexA9]\n",
			s5p_get_cpu_name(), s5p_cpu_id);
		printf("APLL = %ldMHz, MPLL = %ldMHz\n",
			get_pll_clk(APLL)/1000000, get_pll_clk(MPLL)/1000000);
	}
	else
		printf("CPU:\t%s%X@%sMHz\n",
			s5p_get_cpu_name(), s5p_cpu_id,
			strmhz(buf, get_arm_clk()));
#endif

	return 0;
}