static void s3c2410_pm_prepare(void) { /* ensure at least GSTATUS3 has the resume address */ __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2410_GSTATUS3); S3C_PMDBG("GSTATUS3 0x%08x\n", __raw_readl(S3C2410_GSTATUS3)); S3C_PMDBG("GSTATUS4 0x%08x\n", __raw_readl(S3C2410_GSTATUS4)); if (machine_is_h1940()) { void *base = phys_to_virt(H1940_SUSPEND_CHECK); unsigned long ptr; unsigned long calc = 0; /* generate check for the bootloader to check on resume */ for (ptr = 0; ptr < 0x40000; ptr += 0x400) calc += __raw_readl(base+ptr); __raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM)); } /* RX3715 and RX1950 use similar to H1940 code and the * same offsets for resume and checksum pointers */ if (machine_is_rx3715() || machine_is_rx1950()) { void *base = phys_to_virt(H1940_SUSPEND_CHECK); unsigned long ptr; unsigned long calc = 0; /* generate check for the bootloader to check on resume */ for (ptr = 0; ptr < 0x40000; ptr += 0x4) calc += __raw_readl(base+ptr); __raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM)); } if ( machine_is_aml_m5900() ) s3c2410_gpio_setpin(S3C2410_GPF(2), 1); if (machine_is_rx1950()) { /* According to S3C2442 user's manual, page 7-17, * when the system is operating in NAND boot mode, * the hardware pin configuration - EINT[23:21] – * must be set as input for starting up after * wakeup from sleep mode */ s3c_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_INPUT); s3c_gpio_cfgpin(S3C2410_GPG(14), S3C2410_GPIO_INPUT); s3c_gpio_cfgpin(S3C2410_GPG(15), S3C2410_GPIO_INPUT); } }
static int __init rx1950_init(void) { int ret; if (!machine_is_rx1950()) return -ENODEV; ret = gpio_request(S3C2410_GPA(1), "speaker-power"); if (ret) goto err_gpio; ret = gpio_direction_output(S3C2410_GPA(1), 0); if (ret) goto err_gpio_conf; s3c24xx_snd_device = platform_device_alloc("soc-audio", -1); if (!s3c24xx_snd_device) { ret = -ENOMEM; goto err_plat_alloc; } platform_set_drvdata(s3c24xx_snd_device, &rx1950_asoc); ret = platform_device_add(s3c24xx_snd_device); if (ret) { platform_device_put(s3c24xx_snd_device); goto err_plat_add; } return 0; err_plat_add: err_plat_alloc: err_gpio_conf: gpio_free(S3C2410_GPA(1)); err_gpio: return ret; }