C++ (Cpp) cpu_win_can_remap示例

示例#1

void __init kirkwood_setup_cpu_mbus(void)
{
	void __iomem *addr;
	int i;
	int cs;

	
	for (i = 0; i < 8; i++) {
		addr = (void __iomem *)WIN_OFF(i);

		writel(0, addr + WIN_BASE_OFF);
		writel(0, addr + WIN_CTRL_OFF);
		if (cpu_win_can_remap(i)) {
			writel(0, addr + WIN_REMAP_LO_OFF);
			writel(0, addr + WIN_REMAP_HI_OFF);
		}
	}

	
	setup_cpu_win(0, KIRKWOOD_PCIE_IO_PHYS_BASE, KIRKWOOD_PCIE_IO_SIZE,
		      TARGET_PCIE, ATTR_PCIE_IO, KIRKWOOD_PCIE_IO_BUS_BASE);
	setup_cpu_win(1, KIRKWOOD_PCIE_MEM_PHYS_BASE, KIRKWOOD_PCIE_MEM_SIZE,
		      TARGET_PCIE, ATTR_PCIE_MEM, KIRKWOOD_PCIE_MEM_BUS_BASE);

	
	setup_cpu_win(2, KIRKWOOD_NAND_MEM_PHYS_BASE, KIRKWOOD_NAND_MEM_SIZE,
		      TARGET_DEV_BUS, ATTR_DEV_NAND, -1);

	
	setup_cpu_win(3, KIRKWOOD_SRAM_PHYS_BASE, KIRKWOOD_SRAM_SIZE,
		      TARGET_SRAM, ATTR_SRAM, -1);

	
	kirkwood_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;

	addr = (void __iomem *)DDR_WINDOW_CPU_BASE;

	for (i = 0, cs = 0; i < 4; i++) {
		u32 base = readl(addr + DDR_BASE_CS_OFF(i));
		u32 size = readl(addr + DDR_SIZE_CS_OFF(i));

		
		if (size & 1) {
			struct mbus_dram_window *w;

			w = &kirkwood_mbus_dram_info.cs[cs++];
			w->cs_index = i;
			w->mbus_attr = 0xf & ~(1 << i);
			w->base = base & 0xffff0000;
			w->size = (size | 0x0000ffff) + 1;
		}
	}
	kirkwood_mbus_dram_info.num_cs = cs;
}

示例#2

void __init mv78xx0_setup_cpu_mbus(void)
{
	void __iomem *addr;
	int i;
	int cs;

	
	for (i = 0; i < 14; i++) {
		addr = win_cfg_base(i);

		writel(0, addr + WIN_BASE_OFF);
		writel(0, addr + WIN_CTRL_OFF);
		if (cpu_win_can_remap(i)) {
			writel(0, addr + WIN_REMAP_LO_OFF);
			writel(0, addr + WIN_REMAP_HI_OFF);
		}
	}

	
	mv78xx0_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;

	if (mv78xx0_core_index() == 0)
		addr = (void __iomem *)DDR_WINDOW_CPU0_BASE;
	else
		addr = (void __iomem *)DDR_WINDOW_CPU1_BASE;

	for (i = 0, cs = 0; i < 4; i++) {
		u32 base = readl(addr + DDR_BASE_CS_OFF(i));
		u32 size = readl(addr + DDR_SIZE_CS_OFF(i));

		
		if (size & 1) {
			struct mbus_dram_window *w;

			w = &mv78xx0_mbus_dram_info.cs[cs++];
			w->cs_index = i;
			w->mbus_attr = 0xf & ~(1 << i);
			w->base = base & 0xffff0000;
			w->size = (size | 0x0000ffff) + 1;
		}
	}
	mv78xx0_mbus_dram_info.num_cs = cs;
}

示例#3

static void __init setup_cpu_win(int win, u32 base, u32 size,
				 u8 target, u8 attr, int remap)
{
	void __iomem *addr = win_cfg_base(win);
	u32 ctrl;

	base &= 0xffff0000;
	ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1;

	writel(base, addr + WIN_BASE_OFF);
	writel(ctrl, addr + WIN_CTRL_OFF);
	if (cpu_win_can_remap(win)) {
		if (remap < 0)
			remap = base;

		writel(remap & 0xffff0000, addr + WIN_REMAP_LO_OFF);
		writel(0, addr + WIN_REMAP_HI_OFF);
	}
}