diff options
Diffstat (limited to 'arch/arm/mach-clps711x/devices.c')
| -rw-r--r-- | arch/arm/mach-clps711x/devices.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/arch/arm/mach-clps711x/devices.c b/arch/arm/mach-clps711x/devices.c deleted file mode 100644 index 77a9617c216d..000000000000 --- a/arch/arm/mach-clps711x/devices.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * CLPS711X common devices definitions - * - * Author: Alexander Shiyan <shc_work@mail.ru>, 2013-2014 - * - * 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. - */ - -#include <linux/io.h> -#include <linux/of_fdt.h> -#include <linux/platform_device.h> -#include <linux/random.h> -#include <linux/sizes.h> -#include <linux/slab.h> -#include <linux/sys_soc.h> - -#include <asm/system_info.h> - -#include <mach/hardware.h> - -static const struct resource clps711x_cpuidle_res __initconst = - DEFINE_RES_MEM(CLPS711X_PHYS_BASE + HALT, SZ_128); - -static void __init clps711x_add_cpuidle(void) -{ - platform_device_register_simple("clps711x-cpuidle", PLATFORM_DEVID_NONE, - &clps711x_cpuidle_res, 1); -} - -static const phys_addr_t clps711x_gpios[][2] __initconst = { - { PADR, PADDR }, - { PBDR, PBDDR }, - { PCDR, PCDDR }, - { PDDR, PDDDR }, - { PEDR, PEDDR }, -}; - -static void __init clps711x_add_gpio(void) -{ - unsigned i; - struct resource gpio_res[2]; - - memset(gpio_res, 0, sizeof(gpio_res)); - - gpio_res[0].flags = IORESOURCE_MEM; - gpio_res[1].flags = IORESOURCE_MEM; - - for (i = 0; i < ARRAY_SIZE(clps711x_gpios); i++) { - gpio_res[0].start = CLPS711X_PHYS_BASE + clps711x_gpios[i][0]; - gpio_res[0].end = gpio_res[0].start; - gpio_res[1].start = CLPS711X_PHYS_BASE + clps711x_gpios[i][1]; - gpio_res[1].end = gpio_res[1].start; - - platform_device_register_simple("clps711x-gpio", i, - gpio_res, ARRAY_SIZE(gpio_res)); - } -} - -const struct resource clps711x_syscon_res[] __initconst = { - /* SYSCON1, SYSFLG1 */ - DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON1, SZ_128), - /* SYSCON2, SYSFLG2 */ - DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON2, SZ_128), - /* SYSCON3 */ - DEFINE_RES_MEM(CLPS711X_PHYS_BASE + SYSCON3, SZ_64), -}; - -static void __init clps711x_add_syscon(void) -{ - unsigned i; - - for (i = 0; i < ARRAY_SIZE(clps711x_syscon_res); i++) - platform_device_register_simple("syscon", i + 1, - &clps711x_syscon_res[i], 1); -} - -static const struct resource clps711x_uart1_res[] __initconst = { - DEFINE_RES_MEM(CLPS711X_PHYS_BASE + UARTDR1, SZ_128), - DEFINE_RES_IRQ(IRQ_UTXINT1), - DEFINE_RES_IRQ(IRQ_URXINT1), -}; - -static const struct resource clps711x_uart2_res[] __initconst = { - DEFINE_RES_MEM(CLPS711X_PHYS_BASE + UARTDR2, SZ_128), - DEFINE_RES_IRQ(IRQ_UTXINT2), - DEFINE_RES_IRQ(IRQ_URXINT2), -}; - -static void __init clps711x_add_uart(void) -{ - platform_device_register_simple("clps711x-uart", 0, clps711x_uart1_res, - ARRAY_SIZE(clps711x_uart1_res)); - platform_device_register_simple("clps711x-uart", 1, clps711x_uart2_res, - ARRAY_SIZE(clps711x_uart2_res)); -}; - -static void __init clps711x_soc_init(void) -{ - struct soc_device_attribute *soc_dev_attr; - struct soc_device *soc_dev; - void __iomem *base; - u32 id[5]; - - base = ioremap(CLPS711X_PHYS_BASE, SZ_32K); - if (!base) - return; - - id[0] = readl(base + UNIQID); - id[1] = readl(base + RANDID0); - id[2] = readl(base + RANDID1); - id[3] = readl(base + RANDID2); - id[4] = readl(base + RANDID3); - system_rev = SYSFLG1_VERID(readl(base + SYSFLG1)); - - add_device_randomness(id, sizeof(id)); - - system_serial_low = id[0]; - - soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); - if (!soc_dev_attr) - goto out_unmap; - - soc_dev_attr->machine = of_flat_dt_get_machine_name(); - soc_dev_attr->family = "Cirrus Logic CLPS711X"; - soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u", system_rev); - soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%08x", id[0]); - - soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) { - kfree(soc_dev_attr->revision); - kfree(soc_dev_attr->soc_id); - kfree(soc_dev_attr); - } - -out_unmap: - iounmap(base); -} - -void __init clps711x_devices_init(void) -{ - clps711x_add_cpuidle(); - clps711x_add_gpio(); - clps711x_add_syscon(); - clps711x_add_uart(); - clps711x_soc_init(); -} |