Merge remote-tracking branch 'lsk/v3.10/topic/arm64-misc' into linux-linaro-lsk
[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-exynos / mach-exynos4-dt.c
index 3358088c822a3015721b206f1671363df3db67c6..b9ed834a7eeef53a97b5cd76470b1b3a852e29fd 100644 (file)
  * published by the Free Software Foundation.
 */
 
+#include <linux/kernel.h>
 #include <linux/of_platform.h>
+#include <linux/of_fdt.h>
 #include <linux/serial_core.h>
+#include <linux/memblock.h>
+#include <linux/clocksource.h>
 
 #include <asm/mach/arch.h>
-#include <mach/map.h>
-
-#include <plat/cpu.h>
-#include <plat/regs-serial.h>
+#include <plat/mfc.h>
 
 #include "common.h"
 
-/*
- * The following lookup table is used to override device names when devices
- * are registered from device tree. This is temporarily added to enable
- * device tree support addition for the Exynos4 architecture.
- *
- * For drivers that require platform data to be provided from the machine
- * file, a platform data pointer can also be supplied along with the
- * devices names. Usually, the platform data elements that cannot be parsed
- * from the device tree by the drivers (example: function pointers) are
- * supplied. But it should be noted that this is a temporary mechanism and
- * at some point, the drivers should be capable of parsing all the platform
- * data from the device tree.
- */
-static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = {
-       OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS4_PA_UART0,
-                               "exynos4210-uart.0", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS4_PA_UART1,
-                               "exynos4210-uart.1", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS4_PA_UART2,
-                               "exynos4210-uart.2", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS4_PA_UART3,
-                               "exynos4210-uart.3", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(0),
-                               "exynos4-sdhci.0", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(1),
-                               "exynos4-sdhci.1", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(2),
-                               "exynos4-sdhci.2", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(3),
-                               "exynos4-sdhci.3", NULL),
-       OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(0),
-                               "s3c2440-i2c.0", NULL),
-       OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(1),
-                               "s3c2440-i2c.1", NULL),
-       OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(2),
-                               "s3c2440-i2c.2", NULL),
-       OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(3),
-                               "s3c2440-i2c.3", NULL),
-       OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(4),
-                               "s3c2440-i2c.4", NULL),
-       OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(5),
-                               "s3c2440-i2c.5", NULL),
-       OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(6),
-                               "s3c2440-i2c.6", NULL),
-       OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(7),
-                               "s3c2440-i2c.7", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI0,
-                               "exynos4210-spi.0", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI1,
-                               "exynos4210-spi.1", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI2,
-                               "exynos4210-spi.2", NULL),
-       OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA0, "dma-pl330.0", NULL),
-       OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA1, "dma-pl330.1", NULL),
-       OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_MDMA1, "dma-pl330.2", NULL),
-       OF_DEV_AUXDATA("samsung,exynos4210-tmu", EXYNOS4_PA_TMU,
-                               "exynos-tmu", NULL),
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13620000,
-                       "exynos-sysmmu.0", NULL), /* MFC_L */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13630000,
-                       "exynos-sysmmu.1", NULL), /* MFC_R */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13E20000,
-                       "exynos-sysmmu.2", NULL), /* TV */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A60000,
-                       "exynos-sysmmu.3", NULL), /* JPEG */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x12A30000,
-                       "exynos-sysmmu.4", NULL), /* ROTATOR */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A20000,
-                       "exynos-sysmmu.5", NULL), /* FIMC0 */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A30000,
-                       "exynos-sysmmu.6", NULL), /* FIMC1 */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A40000,
-                       "exynos-sysmmu.7", NULL), /* FIMC2 */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A50000,
-                       "exynos-sysmmu.8", NULL), /* FIMC3 */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x12A20000,
-                       "exynos-sysmmu.9", NULL), /* G2D(4210) */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x10A40000,
-                       "exynos-sysmmu.9", NULL), /* G2D(4x12) */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11E20000,
-                       "exynos-sysmmu.10", NULL), /* FIMD0 */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x12220000,
-                       "exynos-sysmmu.11", NULL), /* FIMD1(4210) */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x12260000,
-                       "exynos-sysmmu.12", NULL), /* IS0(4x12) */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x122B0000,
-                       "exynos-sysmmu.13", NULL), /* IS1(4x12) */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x123B0000,
-                       "exynos-sysmmu.14", NULL), /* FIMC-LITE0(4x12) */
-       OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x123C0000,
-                       "exynos-sysmmu.15", NULL), /* FIMC-LITE1(4x12) */
-       {},
-};
-
 static void __init exynos4_dt_map_io(void)
 {
        exynos_init_io(NULL, 0);
-       s3c24xx_init_clocks(24000000);
 }
 
 static void __init exynos4_dt_machine_init(void)
 {
-       of_platform_populate(NULL, of_default_bus_match_table,
-                               exynos4_auxdata_lookup, NULL);
+       of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
 
 static char const *exynos4_dt_compat[] __initdata = {
@@ -135,14 +40,28 @@ static char const *exynos4_dt_compat[] __initdata = {
        NULL
 };
 
+static void __init exynos4_reserve(void)
+{
+#ifdef CONFIG_S5P_DEV_MFC
+       struct s5p_mfc_dt_meminfo mfc_mem;
+
+       /* Reserve memory for MFC only if it's available */
+       mfc_mem.compatible = "samsung,mfc-v5";
+       if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
+               s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
+                               mfc_mem.lsize);
+#endif
+}
 DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
        /* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */
        .smp            = smp_ops(exynos_smp_ops),
        .init_irq       = exynos4_init_irq,
        .map_io         = exynos4_dt_map_io,
+       .init_early     = exynos_firmware_init,
        .init_machine   = exynos4_dt_machine_init,
        .init_late      = exynos_init_late,
-       .init_time      = exynos4_timer_init,
+       .init_time      = exynos_init_time,
        .dt_compat      = exynos4_dt_compat,
        .restart        = exynos4_restart,
+       .reserve        = exynos4_reserve,
 MACHINE_END