/* * Copyright (C) 1999,2000 Arm Limited * Copyright (C) 2000 Deep Blue Solutions Ltd * Copyright (C) 2002 Shane Nay (shane@minirl.com) * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. * - add MX31 specific definitions * * 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. */ #include <linux/mm.h> #include <linux/init.h> #include <linux/err.h> #include <asm/pgtable.h> #include <asm/mach/map.h> #include <mach/common.h> #include <mach/devices-common.h> #include <mach/hardware.h> #include <mach/mx25.h> #include <mach/iomux-v3.h> #include <mach/irqs.h> /* * This table defines static virtual address mappings for I/O regions. * These are the mappings common across all MX25 boards. */ static struct map_desc mx25_io_desc[] __initdata = { imx_map_entry(MX25, AVIC, MT_DEVICE_NONSHARED), imx_map_entry(MX25, AIPS1, MT_DEVICE_NONSHARED), imx_map_entry(MX25, AIPS2, MT_DEVICE_NONSHARED), }; /* * This function initializes the memory map. It is called during the * system startup to create static physical to virtual memory mappings * for the IO modules. */ void __init mx25_map_io(void) { iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc)); } void __init imx25_init_early(void) { mxc_set_cpu_type(MXC_CPU_MX25); mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR)); mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); } void __init mx25_init_irq(void) { mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR)); } static struct sdma_script_start_addrs imx25_sdma_script __initdata = { .ap_2_ap_addr = 729, .uart_2_mcu_addr = 904, .per_2_app_addr = 1255, .mcu_2_app_addr = 834, .uartsh_2_mcu_addr = 1120, .per_2_shp_addr = 1329, .mcu_2_shp_addr = 1048, .ata_2_mcu_addr = 1560, .mcu_2_ata_addr = 1479, .app_2_per_addr = 1189, .app_2_mcu_addr = 770, .shp_2_per_addr = 1407, .shp_2_mcu_addr = 979, }; static struct sdma_platform_data imx25_sdma_pdata __initdata = { .fw_name = "sdma-imx25.bin", .script_addrs = &imx25_sdma_script, }; static const struct resource imx25_audmux_res[] __initconst = { DEFINE_RES_MEM(MX25_AUDMUX_BASE_ADDR, SZ_16K), }; void __init imx25_soc_init(void) { /* i.mx25 has the i.mx31 type gpio */ mxc_register_gpio("imx31-gpio", 0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0); mxc_register_gpio("imx31-gpio", 1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0); mxc_register_gpio("imx31-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0); mxc_register_gpio("imx31-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0); /* i.mx25 has the i.mx35 type sdma */ imx_add_imx_sdma("imx35-sdma", MX25_SDMA_BASE_ADDR, MX25_INT_SDMA, &imx25_sdma_pdata); /* i.mx25 has the i.mx31 type audmux */ platform_device_register_simple("imx31-audmux", 0, imx25_audmux_res, ARRAY_SIZE(imx25_audmux_res)); }