aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot/arch/arm/mach-tegra/cpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'roms/u-boot/arch/arm/mach-tegra/cpu.h')
-rw-r--r--roms/u-boot/arch/arm/mach-tegra/cpu.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-tegra/cpu.h b/roms/u-boot/arch/arm/mach-tegra/cpu.h
new file mode 100644
index 000000000..d54182544
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-tegra/cpu.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2010-2015
+ * NVIDIA Corporation <www.nvidia.com>
+ */
+#include <asm/types.h>
+
+/* Stabilization delays, in usec */
+#define PLL_STABILIZATION_DELAY (300)
+#define IO_STABILIZATION_DELAY (1000)
+
+#if defined(CONFIG_TEGRA20)
+#define NVBL_PLLP_KHZ 216000
+#define CSITE_KHZ 144000
+#elif defined(CONFIG_TEGRA30) || defined(CONFIG_TEGRA114) || \
+ defined(CONFIG_TEGRA124) || defined(CONFIG_TEGRA210)
+#define NVBL_PLLP_KHZ 408000
+#define CSITE_KHZ 136000
+#else
+#error "Unknown Tegra chip!"
+#endif
+
+#define PLLX_ENABLED (1 << 30)
+#define CCLK_BURST_POLICY 0x20008888
+#define SUPER_CCLK_DIVIDER 0x80000000
+
+/* Calculate clock fractional divider value from ref and target frequencies */
+#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2)
+
+/* Calculate clock frequency value from reference and clock divider value */
+#define CLK_FREQUENCY(REF, REG) (((REF) * 2) / (REG + 2))
+
+/* AVP/CPU ID */
+#define PG_UP_TAG_0_PID_CPU 0x55555555 /* CPU aka "a9" aka "mpcore" */
+#define PG_UP_TAG_0 0x0
+
+#define CORESIGHT_UNLOCK 0xC5ACCE55
+
+#define EXCEP_VECTOR_CPU_RESET_VECTOR (NV_PA_EVP_BASE + 0x100)
+#define CSITE_CPU_DBG0_LAR (NV_PA_CSITE_BASE + 0x10FB0)
+#define CSITE_CPU_DBG1_LAR (NV_PA_CSITE_BASE + 0x12FB0)
+#define CSITE_CPU_DBG2_LAR (NV_PA_CSITE_BASE + 0x14FB0)
+#define CSITE_CPU_DBG3_LAR (NV_PA_CSITE_BASE + 0x16FB0)
+
+#define FLOW_CTLR_HALT_COP_EVENTS (NV_PA_FLOW_BASE + 4)
+#define FLOW_MODE_STOP 2
+#define HALT_COP_EVENT_JTAG (1 << 28)
+#define HALT_COP_EVENT_IRQ_1 (1 << 11)
+#define HALT_COP_EVENT_FIQ_1 (1 << 9)
+
+#define FLOW_MODE_NONE 0
+
+#define SIMPLE_PLLX (CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE)
+
+/* SB_AA64_RESET_LOW and _HIGH defines for CPU reset vector */
+#define SB_AA64_RESET_LOW 0x6000C230
+#define SB_AA64_RESET_HIGH 0x6000C234
+
+struct clk_pll_table {
+ u16 n;
+ u16 m;
+ u8 p;
+ u8 cpcon;
+};
+
+void clock_enable_coresight(int enable);
+void enable_cpu_clock(int enable);
+void halt_avp(void) __attribute__ ((noreturn));
+void init_pllx(void);
+void powerup_cpu(void);
+void reset_A9_cpu(int reset);
+void start_cpu(u32 reset_vector);
+int tegra_get_chip(void);
+int tegra_get_sku_info(void);
+int tegra_get_chip_sku(void);
+void adjust_pllp_out_freqs(void);
+void pmic_enable_cpu_vdd(void);