/* * Copyright 2012 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ /* * Create static mapping between physical to virtual memory. */ #include #include #include #include #include #include #include #include #include /*! * This structure defines the MVF memory map. */ static struct map_desc mvf_io_desc[] __initdata = { { .virtual = (unsigned long)MVF_IO_ADDRESS(BOOT_ROM_BASE_ADDR), .pfn = __phys_to_pfn(BOOT_ROM_BASE_ADDR), .length = ROMCP_SIZE, .type = MT_DEVICE}, { .virtual = (unsigned long)MVF_IO_ADDRESS(MVF_AIPS0_BASE_ADDR), .pfn = __phys_to_pfn(MVF_AIPS0_BASE_ADDR), .length = MVF_AIPS0_SIZE, .type = MT_DEVICE}, { .virtual = (unsigned long)MVF_IO_ADDRESS(MVF_AIPS1_BASE_ADDR), .pfn = __phys_to_pfn(MVF_AIPS1_BASE_ADDR), .length = MVF_AIPS1_SIZE, .type = MT_DEVICE}, }; /*! * This function initializes the memory map. It is called during the * system startup to create static physical to virtual memory map for * the IO modules. */ void __init mvf_map_io(void) { iotable_init(mvf_io_desc, ARRAY_SIZE(mvf_io_desc)); mxc_iomux_v3_init(MVF_IO_ADDRESS(MVF_IOMUXC_BASE_ADDR)); mxc_arch_reset_init(MVF_IO_ADDRESS(MVF_WDOG1_BASE_ADDR)); mxc_set_cpu_type(MXC_CPU_MVF); } #ifdef CONFIG_CACHE_L2X0 int mxc_init_l2x0(void) { unsigned int val; writel(0x132, MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_TAG_LATENCY_CTRL)); writel(0x132, MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_DATA_LATENCY_CTRL)); val = readl(MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_PREFETCH_CTRL)); val |= 0x40800000; writel(val, MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_PREFETCH_CTRL)); val = readl(MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_POWER_CTRL)); val |= L2X0_DYNAMIC_CLK_GATING_EN; val |= L2X0_STNDBY_MODE_EN; writel(val, MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_POWER_CTRL)); l2x0_init(MVF_IO_ADDRESS(L2_BASE_ADDR), 0x0, ~0x00000000); return 0; } arch_initcall(mxc_init_l2x0); #endif