diff options
Diffstat (limited to 'arch/arm/mach-imx/mm-imx25.c')
| -rw-r--r-- | arch/arm/mach-imx/mm-imx25.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c new file mode 100644 index 00000000..153b457a --- /dev/null +++ b/arch/arm/mach-imx/mm-imx25.c @@ -0,0 +1,103 @@ +/* + * 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)); +} |