示例#1
0
/*
 * Maps common IO regions for omap1. This should only get called from
 * board specific init.
 */
void __init omap1_map_common_io(void)
{
	iotable_init(omap_io_desc, ARRAY_SIZE(omap_io_desc));

	/* Normally devicemaps_init() would flush caches and tlb after
	 * mdesc->map_io(), but we must also do it here because of the CPU
	 * revision check below.
	 */
	local_flush_tlb_all();
	flush_cache_all();

	/* We want to check CPU revision early for cpu_is_omapxxxx() macros.
	 * IO space mapping must be initialized before we can do that.
	 */
	omap_check_revision();

#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
	if (cpu_is_omap7xx()) {
		iotable_init(omap7xx_io_desc, ARRAY_SIZE(omap7xx_io_desc));
	}
#endif
#ifdef CONFIG_ARCH_OMAP15XX
	if (cpu_is_omap15xx()) {
		iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
	}
#endif
#if defined(CONFIG_ARCH_OMAP16XX)
	if (cpu_is_omap16xx()) {
		iotable_init(omap16xx_io_desc, ARRAY_SIZE(omap16xx_io_desc));
	}
#endif

	omap_sram_init();
}
示例#2
0
void __init omap1_init_early(void)
{
	omap_check_revision();

	omap_writew(0x0, MPU_PUBLIC_TIPB_CNTL);
	omap_writew(0x0, MPU_PRIVATE_TIPB_CNTL);

	omap1_clk_init();
	omap1_mux_init();
	omap_init_consistent_dma_size();
}
示例#3
0
/*
 * Common low-level hardware init for omap1.
 */
void omap1_init_early(void)
{
	omap_check_revision();

	/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
	 * on a Posted Write in the TIPB Bridge".
	 */
	omap_writew(0x0, MPU_PUBLIC_TIPB_CNTL);
	omap_writew(0x0, MPU_PRIVATE_TIPB_CNTL);

	/* Must init clocks early to assure that timer interrupt works
	 */
	omap1_clk_init();
	omap1_mux_init();
	omap_init_consistent_dma_size();
}
示例#4
0
文件: io.c 项目: kzlin129/tt-gpl
static void __init _omap_map_io(void)
{
	initialized = 1;

	/* We have to initialize the IO space mapping before we can run
	 * cpu_is_omapxxx() macros. */
	iotable_init(omap_io_desc, ARRAY_SIZE(omap_io_desc));
	omap_check_revision();

#ifdef CONFIG_ARCH_OMAP730
	if (cpu_is_omap730()) {
		iotable_init(omap730_io_desc, ARRAY_SIZE(omap730_io_desc));
	}
#endif
#ifdef CONFIG_ARCH_OMAP1510
	if (cpu_is_omap1510()) {
		iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
	}
#endif
#if defined(CONFIG_ARCH_OMAP16XX)
	if (cpu_is_omap1610() || cpu_is_omap1710()) {
		iotable_init(omap1610_io_desc, ARRAY_SIZE(omap1610_io_desc));
	}
	if (cpu_is_omap5912()) {
		iotable_init(omap5912_io_desc, ARRAY_SIZE(omap5912_io_desc));
	}
#endif

	/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
	 * on a Posted Write in the TIPB Bridge".
	 */
	omap_writew(0x0, MPU_PUBLIC_TIPB_CNTL);
	omap_writew(0x0, MPU_PRIVATE_TIPB_CNTL);

	/* Must init clocks early to assure that timer interrupt works
	 */
	clk_init();
}