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Diffstat (limited to 'arch/arm/mach-exynos/mach-exynos5-dt.c')
-rw-r--r--arch/arm/mach-exynos/mach-exynos5-dt.c37
1 files changed, 33 insertions, 4 deletions
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index 929de766d490..973a06637572 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -13,11 +13,11 @@
#include <linux/of_fdt.h>
#include <linux/serial_core.h>
#include <linux/memblock.h>
-#include <linux/of_fdt.h>
+#include <linux/io.h>
#include <asm/mach/arch.h>
-#include <asm/hardware/gic.h>
#include <mach/map.h>
+#include <mach/regs-pmu.h>
#include <plat/cpu.h>
#include <plat/regs-serial.h>
@@ -103,6 +103,12 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("samsung,mfc-v6", 0x11000000, "s5p-mfc-v6", NULL),
OF_DEV_AUXDATA("samsung,exynos5250-tmu", 0x10060000,
"exynos-tmu", NULL),
+ OF_DEV_AUXDATA("samsung,i2s-v5", 0x03830000,
+ "samsung-i2s.0", NULL),
+ OF_DEV_AUXDATA("samsung,i2s-v5", 0x12D60000,
+ "samsung-i2s.1", NULL),
+ OF_DEV_AUXDATA("samsung,i2s-v5", 0x12D70000,
+ "samsung-i2s.2", NULL),
{},
};
@@ -124,6 +130,28 @@ static void __init exynos5_dt_map_io(void)
static void __init exynos5_dt_machine_init(void)
{
+ struct device_node *i2c_np;
+ const char *i2c_compat = "samsung,s3c2440-i2c";
+ unsigned int tmp;
+
+ /*
+ * Exynos5's legacy i2c controller and new high speed i2c
+ * controller have muxed interrupt sources. By default the
+ * interrupts for 4-channel HS-I2C controller are enabled.
+ * If node for first four channels of legacy i2c controller
+ * are available then re-configure the interrupts via the
+ * system register.
+ */
+ for_each_compatible_node(i2c_np, NULL, i2c_compat) {
+ if (of_device_is_available(i2c_np)) {
+ if (of_alias_get_id(i2c_np, "i2c") < 4) {
+ tmp = readl(EXYNOS5_SYS_I2C_CFG);
+ writel(tmp & ~(0x1 << of_alias_get_id(i2c_np, "i2c")),
+ EXYNOS5_SYS_I2C_CFG);
+ }
+ }
+ }
+
if (of_machine_is_compatible("samsung,exynos5250"))
of_platform_populate(NULL, of_default_bus_match_table,
exynos5250_auxdata_lookup, NULL);
@@ -140,6 +168,7 @@ static char const *exynos5_dt_compat[] __initdata = {
static void __init exynos5_reserve(void)
{
+#ifdef CONFIG_S5P_DEV_MFC
struct s5p_mfc_dt_meminfo mfc_mem;
/* Reserve memory for MFC only if it's available */
@@ -147,6 +176,7 @@ static void __init exynos5_reserve(void)
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(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
@@ -154,10 +184,9 @@ DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
.init_irq = exynos5_init_irq,
.smp = smp_ops(exynos_smp_ops),
.map_io = exynos5_dt_map_io,
- .handle_irq = gic_handle_irq,
.init_machine = exynos5_dt_machine_init,
.init_late = exynos_init_late,
- .timer = &exynos4_timer,
+ .init_time = exynos4_timer_init,
.dt_compat = exynos5_dt_compat,
.restart = exynos5_restart,
.reserve = exynos5_reserve,