summaryrefslogtreecommitdiff
path: root/arch/arm/mach-shmobile/setup-sh73a0.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-shmobile/setup-sh73a0.c')
-rw-r--r--arch/arm/mach-shmobile/setup-sh73a0.c90
1 files changed, 86 insertions, 4 deletions
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index db99a4ade80c..2ecd6681692f 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -23,6 +23,7 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
+#include <linux/of_platform.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/io.h>
@@ -57,6 +58,31 @@ void __init sh73a0_map_io(void)
iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc));
}
+static struct resource sh73a0_pfc_resources[] = {
+ [0] = {
+ .start = 0xe6050000,
+ .end = 0xe6057fff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 0xe605801c,
+ .end = 0xe6058027,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device sh73a0_pfc_device = {
+ .name = "pfc-sh73a0",
+ .id = -1,
+ .resource = sh73a0_pfc_resources,
+ .num_resources = ARRAY_SIZE(sh73a0_pfc_resources),
+};
+
+void __init sh73a0_pinmux_init(void)
+{
+ platform_device_register(&sh73a0_pfc_device);
+}
+
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xe6c40000,
.flags = UPF_BOOT_AUTOCONF,
@@ -754,7 +780,7 @@ static struct platform_device pmu_device = {
.resource = pmu_resources,
};
-static struct platform_device *sh73a0_early_devices[] __initdata = {
+static struct platform_device *sh73a0_early_devices_dt[] __initdata = {
&scif0_device,
&scif1_device,
&scif2_device,
@@ -765,6 +791,9 @@ static struct platform_device *sh73a0_early_devices[] __initdata = {
&scif7_device,
&scif8_device,
&cmt10_device,
+};
+
+static struct platform_device *sh73a0_early_devices[] __initdata = {
&tmu00_device,
&tmu01_device,
};
@@ -787,6 +816,8 @@ void __init sh73a0_add_standard_devices(void)
/* Clear software reset bit on SY-DMAC module */
__raw_writel(__raw_readl(SRCR2) & ~(1 << 18), SRCR2);
+ platform_add_devices(sh73a0_early_devices_dt,
+ ARRAY_SIZE(sh73a0_early_devices_dt));
platform_add_devices(sh73a0_early_devices,
ARRAY_SIZE(sh73a0_early_devices));
platform_add_devices(sh73a0_late_devices,
@@ -796,7 +827,7 @@ void __init sh73a0_add_standard_devices(void)
/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
void __init __weak sh73a0_register_twd(void) { }
-static void __init sh73a0_earlytimer_init(void)
+void __init sh73a0_earlytimer_init(void)
{
sh73a0_clock_init();
shmobile_earlytimer_init();
@@ -805,12 +836,63 @@ static void __init sh73a0_earlytimer_init(void)
void __init sh73a0_add_early_devices(void)
{
+ early_platform_add_devices(sh73a0_early_devices_dt,
+ ARRAY_SIZE(sh73a0_early_devices_dt));
early_platform_add_devices(sh73a0_early_devices,
ARRAY_SIZE(sh73a0_early_devices));
/* setup early console here as well */
shmobile_setup_console();
+}
+
+#ifdef CONFIG_USE_OF
+
+/* Please note that the clock initialisation shcheme used in
+ * sh73a0_add_early_devices_dt() and sh73a0_add_standard_devices_dt()
+ * does not work with SMP as there is a yet to be resolved lock-up in
+ * workqueue initialisation.
+ *
+ * CONFIG_SMP should be disabled when using this code.
+ */
+
+void __init sh73a0_add_early_devices_dt(void)
+{
+ shmobile_setup_delay(1196, 44, 46); /* Cortex-A9 @ 1196MHz */
+
+ early_platform_add_devices(sh73a0_early_devices_dt,
+ ARRAY_SIZE(sh73a0_early_devices_dt));
+
+ /* setup early console here as well */
+ shmobile_setup_console();
+}
+
+static const struct of_dev_auxdata sh73a0_auxdata_lookup[] __initconst = {
+ {},
+};
- /* override timer setup with soc-specific code */
- shmobile_timer.init = sh73a0_earlytimer_init;
+void __init sh73a0_add_standard_devices_dt(void)
+{
+ /* clocks are setup late during boot in the case of DT */
+ sh73a0_clock_init();
+
+ platform_add_devices(sh73a0_early_devices_dt,
+ ARRAY_SIZE(sh73a0_early_devices_dt));
+ of_platform_populate(NULL, of_default_bus_match_table,
+ sh73a0_auxdata_lookup, NULL);
}
+
+static const char *sh73a0_boards_compat_dt[] __initdata = {
+ "renesas,sh73a0",
+ NULL,
+};
+
+DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)")
+ .map_io = sh73a0_map_io,
+ .init_early = sh73a0_add_early_devices_dt,
+ .nr_irqs = NR_IRQS_LEGACY,
+ .init_irq = sh73a0_init_irq_dt,
+ .init_machine = sh73a0_add_standard_devices_dt,
+ .init_time = shmobile_timer_init,
+ .dt_compat = sh73a0_boards_compat_dt,
+MACHINE_END
+#endif /* CONFIG_USE_OF */