avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/arch/arm/mach-keystone/include/mach/clock.h

@@ -0,0 +1,136 @@
+/*
+ * keystone2: common clock header file
+ *
+ * (C) Copyright 2012-2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_SOC_K2HK
+#include <asm/arch/clock-k2hk.h>
+#endif
+
+#ifdef CONFIG_SOC_K2E
+#include <asm/arch/clock-k2e.h>
+#endif
+
+#ifdef CONFIG_SOC_K2L
+#include <asm/arch/clock-k2l.h>
+#endif
+
+#ifdef CONFIG_SOC_K2G
+#include <asm/arch/clock-k2g.h>
+#endif
+
+#define CORE_PLL MAIN_PLL
+#define DDR3_PLL DDR3A_PLL
+#define NSS_PLL PASS_PLL
+
+#define CLK_LIST(CLK)\
+	CLK(0, core_pll_clk)\
+	CLK(1, pass_pll_clk)\
+	CLK(2, tetris_pll_clk)\
+	CLK(3, ddr3a_pll_clk)\
+	CLK(4, ddr3b_pll_clk)\
+	CLK(5, sys_clk0_clk)\
+	CLK(6, sys_clk0_1_clk)\
+	CLK(7, sys_clk0_2_clk)\
+	CLK(8, sys_clk0_3_clk)\
+	CLK(9, sys_clk0_4_clk)\
+	CLK(10, sys_clk0_6_clk)\
+	CLK(11, sys_clk0_8_clk)\
+	CLK(12, sys_clk0_12_clk)\
+	CLK(13, sys_clk0_24_clk)\
+	CLK(14, sys_clk1_clk)\
+	CLK(15, sys_clk1_3_clk)\
+	CLK(16, sys_clk1_4_clk)\
+	CLK(17, sys_clk1_6_clk)\
+	CLK(18, sys_clk1_12_clk)\
+	CLK(19, sys_clk2_clk)\
+	CLK(20, sys_clk3_clk)\
+	CLK(21, uart_pll_clk)
+
+#include <asm/types.h>
+
+#define GENERATE_ENUM(NUM, ENUM) ENUM = NUM,
+#define GENERATE_INDX_STR(NUM, STRING) #NUM"\t- "#STRING"\n"
+#define CLOCK_INDEXES_LIST	CLK_LIST(GENERATE_INDX_STR)
+
+enum {
+	SPD200,
+	SPD400,
+	SPD600,
+	SPD800,
+	SPD850,
+	SPD900,
+	SPD1000,
+	SPD1200,
+	SPD1250,
+	SPD1350,
+	SPD1400,
+	SPD1500,
+	NUM_SPDS,
+};
+
+/* PLL identifiers */
+enum {
+	MAIN_PLL,
+	TETRIS_PLL,
+	PASS_PLL,
+	DDR3A_PLL,
+	DDR3B_PLL,
+	UART_PLL,
+	MAX_PLL_COUNT,
+};
+
+enum ext_clk_e {
+	sys_clk,
+	alt_core_clk,
+	pa_clk,
+	tetris_clk,
+	ddr3a_clk,
+	ddr3b_clk,
+	uart_clk,
+	ext_clk_count /* number of external clocks */
+};
+
+enum clk_e {
+	CLK_LIST(GENERATE_ENUM)
+};
+
+struct keystone_pll_regs {
+	u32 reg0;
+	u32 reg1;
+};
+
+/* PLL configuration data */
+struct pll_init_data {
+	int pll;
+	int pll_m;		/* PLL Multiplier */
+	int pll_d;		/* PLL divider */
+	int pll_od;		/* PLL output divider */
+};
+
+extern unsigned int external_clk[ext_clk_count];
+extern const struct keystone_pll_regs keystone_pll_regs[];
+extern s16 divn_val[];
+extern int speeds[];
+
+void init_plls(void);
+void init_pll(const struct pll_init_data *data);
+struct pll_init_data *get_pll_init_data(int pll);
+unsigned long clk_get_rate(unsigned int clk);
+unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
+int clk_set_rate(unsigned int clk, unsigned long hz);
+int get_max_dev_speed(int *spds);
+int get_max_arm_speed(int *spds);
+void pll_pa_clk_sel(void);
+
+#endif
+#endif