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Diffstat (limited to 'arch/arm/mach-tegra/tegra.c')
-rw-r--r--arch/arm/mach-tegra/tegra.c73
1 files changed, 69 insertions, 4 deletions
diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c
index 5b8605547a09..73368176c6e8 100644
--- a/arch/arm/mach-tegra/tegra.c
+++ b/arch/arm/mach-tegra/tegra.c
@@ -16,7 +16,6 @@
*
*/
-#include <linux/clocksource.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
@@ -34,16 +33,78 @@
#include <linux/sys_soc.h>
#include <linux/usb/tegra_usb_phy.h>
#include <linux/clk/tegra.h>
+#include <linux/irqchip.h>
+#include <asm/hardware/cache-l2x0.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/setup.h>
+#include "apbio.h"
#include "board.h"
#include "common.h"
+#include "cpuidle.h"
#include "fuse.h"
#include "iomap.h"
+#include "irq.h"
+#include "pmc.h"
+#include "pm.h"
+#include "reset.h"
+#include "sleep.h"
+
+/*
+ * Storage for debug-macro.S's state.
+ *
+ * This must be in .data not .bss so that it gets initialized each time the
+ * kernel is loaded. The data is declared here rather than debug-macro.S so
+ * that multiple inclusions of debug-macro.S point at the same data.
+ */
+u32 tegra_uart_config[4] = {
+ /* Debug UART initialization required */
+ 1,
+ /* Debug UART physical address */
+ 0,
+ /* Debug UART virtual address */
+ 0,
+ /* Scratch space for debug macro */
+ 0,
+};
+
+static void __init tegra_init_cache(void)
+{
+#ifdef CONFIG_CACHE_L2X0
+ int ret;
+ void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000;
+ u32 aux_ctrl, cache_type;
+
+ cache_type = readl(p + L2X0_CACHE_TYPE);
+ aux_ctrl = (cache_type & 0x700) << (17-8);
+ aux_ctrl |= 0x7C400001;
+
+ ret = l2x0_of_init(aux_ctrl, 0x8200c3fe);
+ if (!ret)
+ l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs);
+#endif
+}
+
+static void __init tegra_init_early(void)
+{
+ tegra_apb_io_init();
+ tegra_init_fuse();
+ tegra_cpu_reset_handler_init();
+ tegra_init_cache();
+ tegra_powergate_init();
+ tegra_hotplug_init();
+}
+
+static void __init tegra_dt_init_irq(void)
+{
+ tegra_pmc_init_irq();
+ tegra_init_irq();
+ irqchip_init();
+ tegra_legacy_irq_syscore_init();
+}
static void __init tegra_dt_init(void)
{
@@ -51,6 +112,8 @@ static void __init tegra_dt_init(void)
struct soc_device *soc_dev;
struct device *parent = NULL;
+ tegra_pmc_init();
+
tegra_clocks_apply_init_table();
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
@@ -97,7 +160,9 @@ static void __init tegra_dt_init_late(void)
{
int i;
- tegra_init_late();
+ tegra_init_suspend();
+ tegra_cpuidle_init();
+ tegra_powergate_debugfs_init();
for (i = 0; i < ARRAY_SIZE(board_init_funcs); i++) {
if (of_machine_is_compatible(board_init_funcs[i].machine)) {
@@ -108,6 +173,7 @@ static void __init tegra_dt_init_late(void)
}
static const char * const tegra_dt_board_compat[] = {
+ "nvidia,tegra124",
"nvidia,tegra114",
"nvidia,tegra30",
"nvidia,tegra20",
@@ -119,9 +185,8 @@ DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)")
.smp = smp_ops(tegra_smp_ops),
.init_early = tegra_init_early,
.init_irq = tegra_dt_init_irq,
- .init_time = clocksource_of_init,
.init_machine = tegra_dt_init,
.init_late = tegra_dt_init_late,
- .restart = tegra_assert_system_reset,
+ .restart = tegra_pmc_restart,
.dt_compat = tegra_dt_board_compat,
MACHINE_END