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/include/asm/arch-stv0991/gpio.h

@@ -0,0 +1,22 @@
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_STV0991_GPIO_H
+#define __ASM_ARCH_STV0991_GPIO_H
+
+enum gpio_direction {
+	GPIO_DIRECTION_IN,
+	GPIO_DIRECTION_OUT,
+};
+
+struct gpio_regs {
+	u32 data;		/* offset 0x0 */
+	u32 reserved[0xff];	/* 0x4--0x3fc */
+	u32 dir;		/* offset 0x400 */
+};
+
+#endif	/* __ASM_ARCH_STV0991_GPIO_H */

u-boot/arch/arm/include/asm/arch-stv0991/hardware.h

@@ -0,0 +1,73 @@
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, STMicroelectronics, <vikas.manocha@st.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_HARDWARE_H
+#define _ASM_ARCH_HARDWARE_H
+
+/* STV0991 */
+#define SRAM0_BASE_ADDR                          0x00000000UL
+#define SRAM1_BASE_ADDR                          0x00068000UL
+#define SRAM2_BASE_ADDR                          0x000D0000UL
+#define SRAM3_BASE_ADDR                          0x00138000UL
+#define CFS_SRAM0_BASE_ADDR                      0x00198000UL
+#define CFS_SRAM1_BASE_ADDR                      0x001B8000UL
+#define FAST_SRAM_BASE_ADDR                      0x001D8000UL
+#define FLASH_BASE_ADDR                          0x40000000UL
+#define PL310_BASE_ADDR                          0x70000000UL
+#define HSAXIM_BASE_ADDR                         0x70100000UL
+#define IMGSS_BASE_ADDR                          0x70200000UL
+#define ADC_BASE_ADDR                            0x80000000UL
+#define GPIOA_BASE_ADDR                          0x80001000UL
+#define GPIOB_BASE_ADDR                          0x80002000UL
+#define GPIOC_BASE_ADDR                          0x80003000UL
+#define HDM_BASE_ADDR                            0x80004000UL
+#define THSENS_BASE_ADDR                         0x80200000UL
+#define GPTIMER2_BASE_ADDR                       0x80201000UL
+#define GPTIMER1_BASE_ADDR                       0x80202000UL
+#define QSPI_BASE_ADDR                           0x80203000UL
+#define CGU_BASE_ADDR                            0x80204000UL
+#define CREG_BASE_ADDR                           0x80205000UL
+#define PEC_BASE_ADDR                            0x80206000UL
+#define WDRU_BASE_ADDR                           0x80207000UL
+#define BSEC_BASE_ADDR                           0x80208000UL
+#define DAP_ROM_BASE_ADDR                        0x80210000UL
+#define SOC_CTI_BASE_ADDR                        0x80211000UL
+#define TPIU_BASE_ADDR                           0x80212000UL
+#define TMC_ETF_BASE_ADDR                        0x80213000UL
+#define R4_ETM_BASE_ADDR                         0x80214000UL
+#define R4_CTI_BASE_ADDR                         0x80215000UL
+#define R4_DBG_BASE_ADDR                         0x80216000UL
+#define GMAC_BASE_ADDR                           0x80300000UL
+#define RNSS_BASE_ADDR                           0x80302000UL
+#define CRYP_BASE_ADDR                           0x80303000UL
+#define HASH_BASE_ADDR                           0x80304000UL
+#define GPDMA_BASE_ADDR                          0x80305000UL
+#define ISA_BASE_ADDR                            0x8032A000UL
+#define HCI_BASE_ADDR                            0x80400000UL
+#define I2C1_BASE_ADDR                           0x80401000UL
+#define I2C2_BASE_ADDR                           0x80402000UL
+#define SAI_BASE_ADDR                            0x80403000UL
+#define USI_BASE_ADDR                            0x80404000UL
+#define SPI1_BASE_ADDR                           0x80405000UL
+#define UART_BASE_ADDR                           0x80406000UL
+#define SPI2_BASE_ADDR                           0x80500000UL
+#define CAN_BASE_ADDR                            0x80501000UL
+#define USART1_BASE_ADDR                         0x80502000UL
+#define USART2_BASE_ADDR                         0x80503000UL
+#define USART3_BASE_ADDR                         0x80504000UL
+#define USART4_BASE_ADDR                         0x80505000UL
+#define USART5_BASE_ADDR                         0x80506000UL
+#define USART6_BASE_ADDR                         0x80507000UL
+#define SDI2_BASE_ADDR                           0x80600000UL
+#define SDI1_BASE_ADDR                           0x80601000UL
+#define VICA_BASE_ADDR                           0x81000000UL
+#define VICB_BASE_ADDR                           0x81001000UL
+#define STM_CHANNELS_BASE_ADDR                   0x81100000UL
+#define STM_BASE_ADDR                            0x81110000UL
+#define SROM_BASE_ADDR                           0xFFFF0000UL
+
+#endif /* _ASM_ARCH_HARDWARE_H */

u-boot/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h

@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _STV0991_CGU_H
+#define _STV0991_CGU_H
+
+struct stv0991_cgu_regs {
+	u32 cpu_freq;		/* offset 0x0 */
+	u32 icn2_freq;		/* offset 0x4 */
+	u32 dma_freq;		/* offset 0x8 */
+	u32 isp_freq;		/* offset 0xc */
+	u32 h264_freq;		/* offset 0x10 */
+	u32 osif_freq;		/* offset 0x14 */
+	u32 ren_freq;		/* offset 0x18 */
+	u32 tim_freq;		/* offset 0x1c */
+	u32 sai_freq;		/* offset 0x20 */
+	u32 eth_freq;		/* offset 0x24 */
+	u32 i2c_freq;		/* offset 0x28 */
+	u32 spi_freq;		/* offset 0x2c */
+	u32 uart_freq;		/* offset 0x30 */
+	u32 qspi_freq;		/* offset 0x34 */
+	u32 sdio_freq;		/* offset 0x38 */
+	u32 usi_freq;		/* offset 0x3c */
+	u32 can_line_freq;	/* offset 0x40 */
+	u32 debug_freq;		/* offset 0x44 */
+	u32 trace_freq;		/* offset 0x48 */
+	u32 stm_freq;		/* offset 0x4c */
+	u32 eth_ctrl;		/* offset 0x50 */
+	u32 reserved[3];	/* offset 0x54 */
+	u32 osc_ctrl;		/* offset 0x60 */
+	u32 pll1_ctrl;		/* offset 0x64 */
+	u32 pll1_freq;		/* offset 0x68 */
+	u32 pll1_fract;		/* offset 0x6c */
+	u32 pll1_spread;	/* offset 0x70 */
+	u32 pll1_status;	/* offset 0x74 */
+	u32 pll2_ctrl;		/* offset 0x78 */
+	u32 pll2_freq;		/* offset 0x7c */
+	u32 pll2_fract;		/* offset 0x80 */
+	u32 pll2_spread;	/* offset 0x84 */
+	u32 pll2_status;	/* offset 0x88 */
+	u32 cgu_enable_1;	/* offset 0x8c */
+	u32 cgu_enable_2;	/* offset 0x90 */
+	u32 cgu_isp_pulse;	/* offset 0x94 */
+	u32 cgu_h264_pulse;	/* offset 0x98 */
+	u32 cgu_osif_pulse;	/* offset 0x9c */
+	u32 cgu_ren_pulse;	/* offset 0xa0 */
+
+};
+
+/* CGU Timer */
+#define CLK_TMR_OSC			0
+#define CLK_TMR_MCLK			1
+#define CLK_TMR_PLL1			2
+#define CLK_TMR_PLL2			3
+#define MDIV_SHIFT_TMR			3
+#define DIV_SHIFT_TMR			6
+
+#define TIMER1_CLK_CFG			(0 << DIV_SHIFT_TMR \
+					| 0 << MDIV_SHIFT_TMR | CLK_TMR_MCLK)
+
+/* Clock Enable/Disable */
+
+#define TIMER1_CLK_EN			(1 << 15)
+
+/* CGU Uart config */
+#define CLK_UART_MCLK			0
+#define CLK_UART_PLL1			1
+#define CLK_UART_PLL2			2
+
+#define MDIV_SHIFT_UART			3
+#define DIV_SHIFT_UART			6
+
+#define UART_CLK_CFG			(4 << DIV_SHIFT_UART \
+					| 1 << MDIV_SHIFT_UART | CLK_UART_MCLK)
+
+/* CGU Ethernet clock config */
+#define CLK_ETH_MCLK			0
+#define CLK_ETH_PLL1			1
+#define CLK_ETH_PLL2			2
+
+#define MDIV_SHIFT_ETH			3
+#define DIV_SHIFT_ETH			6
+#define DIV_ETH_125			9
+#define DIV_ETH_50			12
+#define DIV_ETH_P2P			15
+
+#define ETH_CLK_CFG			(4 << DIV_ETH_P2P | 4 << DIV_ETH_50 \
+					| 1 << DIV_ETH_125 \
+					| 0 << DIV_SHIFT_ETH \
+					| 3 << MDIV_SHIFT_ETH | CLK_ETH_PLL1)
+ /* CGU Ethernet control */
+
+#define ETH_CLK_TX_EXT_PHY		0
+#define ETH_CLK_TX_125M			1
+#define ETH_CLK_TX_25M			2
+#define ETH_CLK_TX_2M5			3
+#define ETH_CLK_TX_DIS			7
+
+#define ETH_CLK_RX_EXT_PHY		0
+#define ETH_CLK_RX_25M			1
+#define ETH_CLK_RX_2M5			2
+#define ETH_CLK_RX_DIS			3
+#define RX_CLK_SHIFT			3
+#define ETH_CLK_MASK			~(0x1F)
+
+#define ETH_PHY_MODE_GMII		0
+#define ETH_PHY_MODE_RMII		1
+#define ETH_PHY_CLK_DIS			1
+
+#define ETH_CLK_CTRL			(ETH_CLK_RX_EXT_PHY << RX_CLK_SHIFT \
+					| ETH_CLK_TX_EXT_PHY)
+/* CGU qspi clock */
+#define DIV_HCLK1_SHIFT			9
+#define DIV_CRYP_SHIFT			6
+#define MDIV_QSPI_SHIFT			3
+
+#define CLK_QSPI_OSC			0
+#define CLK_QSPI_MCLK			1
+#define CLK_QSPI_PLL1			2
+#define CLK_QSPI_PLL2			3
+
+#define QSPI_CLK_CTRL			(3 << DIV_HCLK1_SHIFT \
+					| 1 << DIV_CRYP_SHIFT \
+					| 0 << MDIV_QSPI_SHIFT \
+					| CLK_QSPI_OSC)
+
+#endif

u-boot/arch/arm/include/asm/arch-stv0991/stv0991_creg.h

@@ -0,0 +1,104 @@
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _STV0991_CREG_H
+#define _STV0991_CREG_H
+
+struct stv0991_creg {
+	u32 version;		/* offset 0x0 */
+	u32 hdpctl;		/* offset 0x4 */
+	u32 hdpval;		/* offset 0x8 */
+	u32 hdpgposet;		/* offset 0xc */
+	u32 hdpgpoclr;		/* offset 0x10 */
+	u32 hdpgpoval;		/* offset 0x14 */
+	u32 stm_mux;		/* offset 0x18 */
+	u32 sysctrl_1;		/* offset 0x1c */
+	u32 sysctrl_2;		/* offset 0x20 */
+	u32 sysctrl_3;		/* offset 0x24 */
+	u32 sysctrl_4;		/* offset 0x28 */
+	u32 reserved_1[0x35];	/* offset 0x2C-0xFC */
+	u32 mux1;		/* offset 0x100 */
+	u32 mux2;		/* offset 0x104 */
+	u32 mux3;		/* offset 0x108 */
+	u32 mux4;		/* offset 0x10c */
+	u32 mux5;		/* offset 0x110 */
+	u32 mux6;		/* offset 0x114 */
+	u32 mux7;		/* offset 0x118 */
+	u32 mux8;		/* offset 0x11c */
+	u32 mux9;		/* offset 0x120 */
+	u32 mux10;		/* offset 0x124 */
+	u32 mux11;		/* offset 0x128 */
+	u32 mux12;		/* offset 0x12c */
+	u32 mux13;		/* offset 0x130 */
+	u32 reserved_2[0x33];	/* offset 0x134-0x1FC */
+	u32 cfg_pad1;		/* offset 0x200 */
+	u32 cfg_pad2;		/* offset 0x204 */
+	u32 cfg_pad3;		/* offset 0x208 */
+	u32 cfg_pad4;		/* offset 0x20c */
+	u32 cfg_pad5;		/* offset 0x210 */
+	u32 cfg_pad6;		/* offset 0x214 */
+	u32 cfg_pad7;		/* offset 0x218 */
+	u32 reserved_3[0x39];	/* offset 0x21C-0x2FC */
+	u32 vdd_pad1;		/* offset 0x300 */
+	u32 vdd_pad2;		/* offset 0x304 */
+	u32 reserved_4[0x3e];	/* offset 0x308-0x3FC */
+	u32 vdd_comp1;		/* offset 0x400 */
+};
+
+/* CREG MUX 13 register */
+#define FLASH_CS_NC_SHIFT	4
+#define FLASH_CS_NC_MASK	~(7 << FLASH_CS_NC_SHIFT)
+#define CFG_FLASH_CS_NC		(0 << FLASH_CS_NC_SHIFT)
+
+#define FLASH_CLK_SHIFT		0
+#define FLASH_CLK_MASK		~(7 << FLASH_CLK_SHIFT)
+#define CFG_FLASH_CLK		(0 << FLASH_CLK_SHIFT)
+
+/* CREG MUX 12 register */
+#define GPIOC_30_MUX_SHIFT	24
+#define GPIOC_30_MUX_MASK	~(1 << GPIOC_30_MUX_SHIFT)
+#define CFG_GPIOC_30_UART_TX	(1 << GPIOC_30_MUX_SHIFT)
+
+#define GPIOC_31_MUX_SHIFT	28
+#define GPIOC_31_MUX_MASK	~(1 << GPIOC_31_MUX_SHIFT)
+#define CFG_GPIOC_31_UART_RX	(1 << GPIOC_31_MUX_SHIFT)
+
+/* CREG MUX 7 register */
+#define GPIOB_16_MUX_SHIFT	0
+#define GPIOB_16_MUX_MASK	~(1 << GPIOB_16_MUX_SHIFT)
+#define CFG_GPIOB_16_UART_TX	(1 << GPIOB_16_MUX_SHIFT)
+
+#define GPIOB_17_MUX_SHIFT	4
+#define GPIOB_17_MUX_MASK	~(1 << GPIOB_17_MUX_SHIFT)
+#define CFG_GPIOB_17_UART_RX	(1 << GPIOB_17_MUX_SHIFT)
+
+/* CREG CFG_PAD6 register */
+
+#define GPIOC_31_MODE_SHIFT	30
+#define GPIOC_31_MODE_MASK	~(1 << GPIOC_31_MODE_SHIFT)
+#define CFG_GPIOC_31_MODE_OD	(0 << GPIOC_31_MODE_SHIFT)
+#define CFG_GPIOC_31_MODE_PP	(1 << GPIOC_31_MODE_SHIFT)
+
+#define GPIOC_30_MODE_SHIFT	28
+#define GPIOC_30_MODE_MASK	~(1 << GPIOC_30_MODE_SHIFT)
+#define CFG_GPIOC_30_MODE_LOW	(0 << GPIOC_30_MODE_SHIFT)
+#define CFG_GPIOC_30_MODE_HIGH	(1 << GPIOC_30_MODE_SHIFT)
+
+/* CREG Ethernet pad config */
+
+#define VDD_ETH_PS_1V8		0
+#define VDD_ETH_PS_2V5		2
+#define VDD_ETH_PS_3V3		3
+#define VDD_ETH_PS_MASK		0x3
+
+#define VDD_ETH_PS_SHIFT	12
+#define ETH_VDD_CFG		(VDD_ETH_PS_1V8 << VDD_ETH_PS_SHIFT)
+
+#define VDD_ETH_M_PS_SHIFT	28
+#define ETH_M_VDD_CFG		(VDD_ETH_PS_1V8 << VDD_ETH_M_PS_SHIFT)
+
+#endif

u-boot/arch/arm/include/asm/arch-stv0991/stv0991_defs.h

@@ -0,0 +1,16 @@
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __STV0991_DEFS_H__
+#define __STV0991_DEFS_H__
+#include <asm/arch/stv0991_periph.h>
+
+extern int stv0991_pinmux_config(enum periph_id);
+extern int clock_setup(enum periph_clock);
+
+#endif
+

u-boot/arch/arm/include/asm/arch-stv0991/stv0991_gpt.h

@@ -0,0 +1,43 @@
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _STV0991_GPT_H
+#define _STV0991_GPT_H
+
+#include <asm/arch-stv0991/hardware.h>
+
+struct gpt_regs {
+	u32 cr1;
+	u32 cr2;
+	u32 reserved_1;
+	u32 dier;	/* dma_int_en */
+	u32 sr;		/* status reg */
+	u32 egr;	/* event gen */
+	u32 reserved_2[3];	/* offset 0x18--0x20*/
+	u32 cnt;
+	u32 psc;
+	u32 arr;
+};
+
+struct gpt_regs *const gpt1_regs_ptr =
+	(struct gpt_regs *) GPTIMER1_BASE_ADDR;
+
+/* Timer control1 register  */
+#define GPT_CR1_CEN			0x0001
+#define GPT_MODE_AUTO_RELOAD		(1 << 7)
+
+/* Timer prescalar reg */
+#define GPT_PRESCALER_128		0x128
+
+/* Auto reload register for free running config */
+#define GPT_FREE_RUNNING		0xFFFF
+
+/* Timer, HZ specific defines */
+#define CONFIG_STV0991_HZ		1000
+#define CONFIG_STV0991_HZ_CLOCK		(27*1000*1000)/GPT_PRESCALER_128
+
+#endif

u-boot/arch/arm/include/asm/arch-stv0991/stv0991_periph.h

@@ -0,0 +1,46 @@
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ASM_ARM_ARCH_PERIPH_H
+#define __ASM_ARM_ARCH_PERIPH_H
+
+/*
+ * Peripherals required for pinmux configuration. List will
+ * grow with support for more devices getting added.
+ * Numbering based on interrupt table.
+ *
+ */
+enum periph_id {
+	UART_GPIOC_30_31 = 0,
+	UART_GPIOB_16_17,
+	ETH_GPIOB_10_31_C_0_4,
+	QSPI_CS_CLK_PAD,
+	PERIPH_ID_I2C0,
+	PERIPH_ID_I2C1,
+	PERIPH_ID_I2C2,
+	PERIPH_ID_I2C3,
+	PERIPH_ID_I2C4,
+	PERIPH_ID_I2C5,
+	PERIPH_ID_I2C6,
+	PERIPH_ID_I2C7,
+	PERIPH_ID_SPI0,
+	PERIPH_ID_SPI1,
+	PERIPH_ID_SPI2,
+	PERIPH_ID_SDMMC0,
+	PERIPH_ID_SDMMC1,
+	PERIPH_ID_SDMMC2,
+	PERIPH_ID_SDMMC3,
+	PERIPH_ID_I2S1,
+};
+
+enum periph_clock {
+	UART_CLOCK_CFG = 0,
+	ETH_CLOCK_CFG,
+	QSPI_CLOCK_CFG,
+};
+
+#endif /* __ASM_ARM_ARCH_PERIPH_H */

u-boot/arch/arm/include/asm/arch-stv0991/stv0991_wdru.h

@@ -0,0 +1,28 @@
+/*
+ * (C) Copyright 2014
+ * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _STV0991_WD_RST_H
+#define _STV0991_WD_RST_H
+#include <asm/arch-stv0991/hardware.h>
+
+struct stv0991_wd_ru {
+	u32 wdru_config;
+	u32 wdru_ctrl1;
+	u32 wdru_ctrl2;
+	u32 wdru_tim;
+	u32 wdru_count;
+	u32 wdru_stat;
+	u32 wdru_wrlock;
+};
+
+struct stv0991_wd_ru *const stv0991_wd_ru_ptr = \
+		(struct stv0991_wd_ru *)WDRU_BASE_ADDR;
+
+/* Watchdog control register */
+#define WDRU_RST_SYS		0x1
+
+#endif