diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/platform/sprd/io-sc8830.c | |
Diffstat (limited to 'drivers/platform/sprd/io-sc8830.c')
| -rw-r--r-- | drivers/platform/sprd/io-sc8830.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/platform/sprd/io-sc8830.c b/drivers/platform/sprd/io-sc8830.c new file mode 100644 index 00000000..a512c892 --- /dev/null +++ b/drivers/platform/sprd/io-sc8830.c @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2012 Spreadtrum Communications Inc. + * Author: steve.zhan <steve.zhan@spreadtrum.com> + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/bug.h> + +#include <asm/io.h> +#include <asm/page.h> +#include <asm/mach/map.h> + +#include <soc/sprd/hardware.h> +#include <soc/sprd/arch_misc.h> + +#define SPRD_DEVICE(name) { \ + .virtual = SPRD_##name##_BASE, \ + .pfn = __phys_to_pfn(SPRD_##name##_PHYS),\ + .length = SPRD_##name##_SIZE, \ + .type = MT_DEVICE_NONSHARED, \ + } +#define SPRD_IRAM(name) { \ + .virtual = SPRD_##name##_BASE, \ + .pfn = __phys_to_pfn(SPRD_##name##_PHYS),\ + .length = SPRD_##name##_SIZE, \ + .type = MT_MEMORY, \ + } + +static struct map_desc sprd_io_desc[] __initdata = { + SPRD_DEVICE(UART0), + SPRD_DEVICE(UART1), + SPRD_DEVICE(UART2), + SPRD_DEVICE(UART3), + SPRD_DEVICE(UART4), +#ifdef CONFIG_ARCH_SCX20L + SPRD_DEVICE(ARM7AHBRF), +#endif + + SPRD_IRAM(IRAM0), + SPRD_IRAM(IRAM0H), +#if defined(CONFIG_ARCH_SCX30G) + SPRD_IRAM(IRAM1), + SPRD_DEVICE(LPDDR2_PHY), +#else + SPRD_DEVICE(IRAM1), +#endif +#ifndef CONFIG_ARCH_SCX35L + SPRD_DEVICE(IRAM2), +#endif + SPRD_DEVICE(PWM), + SPRD_DEVICE(LPDDR2), +}; + +void __init sci_map_io(void) +{ + iotable_init(sprd_io_desc, ARRAY_SIZE(sprd_io_desc)); +} + |