Opensource ML embedded evaluation kit21.03

Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd

5 files changed, 570 insertions, 0 deletions

diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/include/stubs_fvp.h b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/include/stubs_fvp.h
new file mode 100644
index 0000000..a21f2d2
--- /dev/null
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/include/stubs_fvp.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef BSP_PACK_FASTMODEL_H
+#define BSP_PACK_FASTMODEL_H
+
+#include "cmsis.h"                  /* device specific header file    */
+#include "peripheral_memmap.h"      /* peripheral memory map definitions */
+
+/****************************************************************************/
+/*              Definitions and stub functions for modules currently        */
+/*              unavailable on the model                                    */
+/****************************************************************************/
+#define GLCD_WIDTH      320
+#define GLCD_HEIGHT     240
+#define Black           0x0000      /*   0,   0,   0 */
+#define White           0xFFFF      /* 255, 255, 255 */
+
+/*********************** Clock related functions *****************************/
+uint32_t GetCoreClock(void);
+
+/************************  GLCD related functions ****************************/
+/**
+ * @brief      Initialize the Himax LCD with HX8347-D LCD Controller
+ * @return     none
+ */
+void GLCD_Initialize(void);
+
+/**
+ * @brief      Display graphical bitmap image at position x horizontally and y
+ *             vertically. This function is optimized for 16 bits per pixel
+ *             format, it has to be adapted for any other format.
+ * @param[in]  x        horizontal position.
+ * @param[in]  y        vertical position.
+ * @param[in]  w        width of bitmap.
+ * @param[in]  h        height of bitmap.
+ * @param[in]  bitmap   address at which the bitmap data resides.
+ * @return     none
+ */
+void GLCD_Bitmap(unsigned int x,  unsigned int y,
+                unsigned int w, unsigned int h,
+                unsigned short *bitmap);
+
+/**
+ * @brief Displays an 8 bit image, conversion to the LCD's
+ *        16 bit codec is done on the fly.
+ * @param[in] data      pointer to the full sized image data.
+ * @param[in] width     image width.
+ * @param[in] height    image height.
+ * @param[in] channels  number of channels in the image.
+ * @param[in] pos_x     start x position for the LCD.
+ * @param[in] pos_y     start y position for the LCD.
+ * @param[in] downsample_factor   factor by which the image
+ *                                is downsampled by.
+ * @return none
+ */
+void GLCD_Image(void *data, const uint32_t width,
+                const uint32_t height, const uint32_t channels,
+                const uint32_t pos_x, const uint32_t pos_y,
+                const uint32_t downsample_factor);
+
+/**
+ * @brief      Clear display
+ * @param[in]  color    display clearing color
+ * @return     none
+ */
+void GLCD_Clear(unsigned short color);
+
+/**
+ * @brief      Set foreground color
+ * @param[in]  color    foreground color
+ * @return     none
+ */
+void GLCD_SetTextColor(unsigned short color);
+
+/**
+ * @brief      Display character on given line
+ * @param[in]  ln    line number
+ * @param[in]  col   column number
+ * @param[in]  fi    font index (0 = 9x15)
+ * @param[in]  c     ASCII character
+ * @return     none
+ */
+void GLCD_DisplayChar(unsigned int ln, unsigned int col,
+                    unsigned char fi, unsigned char  c);
+
+/**
+ * @brief      Display string on given line
+ * @param[in]  ln    line number
+ * @param[in]  col   column number
+ * @param[in]  fi    font index (0 = 9x15)
+ * @param[in]  s     pointer to string
+ * @return     none
+ */
+void GLCD_DisplayString(unsigned int ln, unsigned int col,
+                        unsigned char fi, char *s);
+
+/**
+ * @brief      Draw box filled with color
+ * @param[in]  x        horizontal position
+ * @param[in]  y:       vertical position
+ * @param[in]  w:       window width in pixels
+ * @param[in]  h:       window height in pixels
+ * @param[in]  color    box color
+ * @return     none
+ */
+void GLCD_Box(unsigned int x, unsigned int y,
+            unsigned int w, unsigned int h,
+            unsigned short color);
+
+#endif /* BSP_PACK_FASTMODEL_H */
diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/include/timer_fvp.h b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/include/timer_fvp.h
new file mode 100644
index 0000000..c07a4eb
--- /dev/null
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/include/timer_fvp.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef TIMER_FVP_H
+#define TIMER_FVP_H
+
+#include "stubs_fvp.h"
+
+/* Container for timestamp for fastmodel. */
+typedef struct _fvp_time_counter {
+    uint64_t    counter_systick;
+} fvp_time_counter;
+
+/**
+ * @brief   Resets the counters.
+ */
+void timer_reset(void);
+
+/**
+ * @brief   Gets the current counter values.
+ * @returns counter struct.
+ **/
+fvp_time_counter get_time_counter(void);
+
+/**
+ * @brief   Gets the cycle counts elapsed between start and end.
+ * @return  difference in counter values as 32 bit unsigned integer.
+ */
+uint64_t get_cycle_count_diff(fvp_time_counter *start, fvp_time_counter *end);
+
+/**
+ * @brief   Enables or triggers cycle counting mechanism, if required
+ *          by the platform.
+ */
+void start_cycle_counter(void);
+
+/**
+ * @brief   Stops cycle counting mechanism, if required by the platform.
+ */
+void stop_cycle_counter(void);
+
+#endif /* TIMER_FVP_H */
diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/stubs_fvp.c b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/stubs_fvp.c
new file mode 100644
index 0000000..e5b2969
--- /dev/null
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/stubs_fvp.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "stubs_fvp.h"
+
+#include "bsp_core_log.h"
+
+uint32_t GetCoreClock(void)
+{
+    return 1;
+}
+
+void GLCD_Initialize(void) {}
+
+void GLCD_Bitmap(unsigned int x,  unsigned int y,
+    unsigned int w, unsigned int h, unsigned short *bitmap)
+{
+    UNUSED(x);
+    UNUSED(y);
+    UNUSED(w);
+    UNUSED(h);
+    UNUSED(bitmap);
+}
+
+void GLCD_Image(void *data, const uint32_t width, const uint32_t height,
+    const uint32_t channels, const uint32_t pos_x,
+    const uint32_t pos_y, const uint32_t downsample_factor)
+{
+    UNUSED(data);
+    UNUSED(pos_x);
+    UNUSED(pos_y);
+    UNUSED(width);
+    UNUSED(height);
+    UNUSED(channels);
+    UNUSED(downsample_factor);
+    debug("image display: (x, y, w, h) = (%u, %u, %u, %u)\n",
+        pos_x, pos_y, width, height);
+    debug("image display: channels = %u, downsample factor = %u\n",
+        channels, downsample_factor);
+}
+
+void GLCD_Clear(unsigned short color)
+{
+    UNUSED(color);
+}
+
+void GLCD_SetTextColor(unsigned short color)
+{
+    UNUSED(color);
+}
+
+void GLCD_DisplayChar (unsigned int ln, unsigned int col, unsigned char fi,
+    unsigned char c)
+{
+    UNUSED(ln);
+    UNUSED(col);
+    UNUSED(fi);
+    UNUSED(c);
+}
+
+void GLCD_DisplayString(unsigned int ln, unsigned int col, unsigned char fi,
+    char *s)
+{
+    UNUSED(ln);
+    UNUSED(col);
+    UNUSED(fi);
+    UNUSED(s);
+    debug("text display: %s\n", s);
+}
+
+void GLCD_Box(unsigned int x, unsigned int y, unsigned int w, unsigned int h,
+    unsigned short color)
+{
+    UNUSED(x);
+    UNUSED(y);
+    UNUSED(w);
+    UNUSED(h);
+    UNUSED(color);
+}
+
+void LED_Initialize(uint32_t port)
+{
+    UNUSED(port);
+}
+
+void LED_On(uint32_t num, uint32_t port)
+{
+    UNUSED(num);
+    UNUSED(port);
+    debug("LED %u ON\n", num);
+}
+
+void LED_Off(uint32_t num, uint32_t port)
+{
+    UNUSED(num);
+    UNUSED(port);
+    debug("LED %u OFF\n", num);
+}
diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/timer_fvp.c b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/timer_fvp.c
new file mode 100644
index 0000000..b7a7232
--- /dev/null
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/timer_fvp.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "timer_fvp.h"
+
+#include "irqs.h"
+#include "bsp_core_log.h"
+
+fvp_time_counter get_time_counter(void)
+{
+    fvp_time_counter t = {
+        .counter_systick = Get_SysTick_Cycle_Count()
+    };
+    debug("counter_systick: %llu\n", t.counter_systick);
+    return t;
+}
+
+void timer_reset(void)
+{
+    if (0 != Init_SysTick()) {
+        printf_err("Failed to initialise system tick config\n");
+    }
+    debug("system tick config ready\n");
+}
+
+uint64_t get_cycle_count_diff(fvp_time_counter *start,
+                              fvp_time_counter *end)
+{
+    if (start->counter_systick > end->counter_systick) {
+        warn("start > end; counter might have overflown\n");
+    }
+    return end->counter_systick - start->counter_systick;
+}
+
+void start_cycle_counter(void)
+{
+    /* Add any custom requirement for this platform here */
+}
+
+void stop_cycle_counter(void)
+{
+    /* Add any custom requirement for this platform here */
+}
diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/uart_pl011.c b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/uart_pl011.c
new file mode 100644
index 0000000..5c1ee06
--- /dev/null
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/simple_platform/uart_pl011.c
@@ -0,0 +1,224 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "uart_stdout.h"
+#include "peripheral_memmap.h"      /* peripheral memory map definitions */
+
+#include <stdio.h>
+#include <stdint.h>
+
+#define CNTLQ       0x11
+#define CNTLS       0x13
+#define DEL         0x7F
+#define BACKSPACE   0x08
+#define CR          0x0D
+#define LF          0x0A
+#define ESC         0x1B
+
+#define UARTBASE    (PL011_UART0_BASE)
+
+/*****************************************************************************/
+/*  UART Control Register Locations                                          */
+/*****************************************************************************/
+#define UART0_DR   *((volatile unsigned *) UARTBASE)
+#define UART0_RSR  *((volatile unsigned *)(UARTBASE + 0x04))
+#define UART0_ECR  *((volatile unsigned *)(UARTBASE + 0x04))
+#define UART0_LCRH *((volatile unsigned *)(UARTBASE + 0x2C))
+#define UART0_LCRM *((volatile unsigned *)(UARTBASE + 0x28))
+#define UART0_LCRL *((volatile unsigned *)(UARTBASE + 0x24))
+#define UART0_CR   *((volatile unsigned *)(UARTBASE + 0x30))
+#define UART0_FR   *((volatile unsigned *)(UARTBASE + 0x18))
+#define UART0_IIR  *((volatile unsigned *)(UARTBASE + 0x1C))
+#define UART0_ICR  *((volatile unsigned *)(UARTBASE + 0x44))
+
+/*****************************************************************************/
+/* Received Status Register - RSR                                            */
+/*****************************************************************************/
+#define RSR_OVERRUN_ERROR   0x08
+#define RSR_BREAK_ERROR     0x04
+#define RSR_PARITY_ERROR    0x02
+#define RSR_FRAMING_ERROR   0x01
+
+/*****************************************************************************/
+/* Line Control High Byte Register - LCRH                                    */
+/*****************************************************************************/
+#define LCRH_WORD_LENGTH_8  0x60
+#define LCRH_WORD_LENGTH_7  0x40
+#define LCRH_WORD_LENGTH_6  0x20
+#define LCRH_WORD_LENGTH_5  0x00
+#define LCRH_FIFO_ENABLED   0x10
+#define LCRH_2_STOP_BITS    0x08
+#define LCRH_EVEN_PARITY    0x04
+#define LCRH_PARITY_ENABLE  0x02
+#define LCRH_SEND_BREAK     0x01
+
+/*****************************************************************************/
+/* Line Control Medium Byte Register - LCRM                                  */
+/* This register specifies the high byte of the Baud rate divisor            */
+/*****************************************************************************/
+#define LCRM_BAUD_460800  0x00
+#define LCRM_BAUD_230400  0x00
+#define LCRM_BAUD_115200  0x00
+#define LCRM_BAUD_76800   0x00
+#define LCRM_BAUD_57600   0x00
+#define LCRM_BAUD_38400   0x00
+#define LCRM_BAUD_19200   0x00
+#define LCRM_BAUD_14400   0x00
+#define LCRM_BAUD_9600    0x00
+#define LCRM_BAUD_2400    0x01
+#define LCRM_BAUD_1200    0x02
+
+/*****************************************************************************/
+/* Line Control Low Byte Register - LCRL                                     */
+/* This register specifies the low byte of the Baud rate divisor             */
+/*****************************************************************************/
+#define LCRL_BAUD_460800  0x01
+#define LCRL_BAUD_230400  0x03
+#define LCRL_BAUD_115200  0x07
+#define LCRL_BAUD_76800   0x0B
+#define LCRL_BAUD_57600   0x0F
+#define LCRL_BAUD_38400   0xC
+#define LCRL_BAUD_19200   0x2F
+#define LCRL_BAUD_14400   0x3F
+#define LCRL_BAUD_9600    0x5F
+#define LCRL_BAUD_2400    0x7F
+#define LCRL_BAUD_1200    0xFF
+
+/*****************************************************************************/
+/* Control Register - CR                                                     */
+/*****************************************************************************/
+#define CR_LOOP_BACK_EN   0x80
+#define CR_TIMEOUT_INT_EN 0x40
+#define CR_TX_INT_ENABLE  0x100
+#define CR_RX_INT_ENABLE  0x200
+#define CR_MODSTAT_INT_EN 0x08
+#define CR_UART_ENABLE    0x01
+
+/*****************************************************************************/
+/* Flag Register - FR                                                        */
+/*****************************************************************************/
+#define FR_TX_FIFO_EMPTY  0x80
+#define FR_RX_FIFO_FULL   0x40
+#define FR_TX_FIFO_FULL   0x20
+#define FR_RX_FIFO_EMPTY  0x10
+#define FR_BUSY           0x08
+#define FR_CARRIER_DETECT 0x04
+#define FR_SET_READY      0x02
+#define FR_CLEAR_TO_SEND  0x01
+
+/*****************************************************************************/
+/* Interrupt Identification Register - IIR                                   */
+/*****************************************************************************/
+#define IIR_RX_TIME_OUT   0x08
+#define IIR_TX            0x04
+#define IIR_RX            0x02
+#define IIR_MODEM         0x01
+
+void UartStdOutInit(void)
+{
+    /* Disable the serial port while setting the baud rate and word length. */
+    UART0_CR = 0;
+
+    /* Clear the receive status register. */
+    UART0_ECR = 0;
+
+    /* Set the correct baud rate and word length. */
+    UART0_LCRL = LCRL_BAUD_115200;
+    UART0_LCRM = LCRM_BAUD_115200;
+    UART0_LCRH = LCRH_WORD_LENGTH_8;
+
+    /* Explicitly disable FIFO's for char mode. */
+    UART0_LCRH &= ~LCRH_FIFO_ENABLED;
+
+    /* Enable UART0 (and RX/TX) without interrupts. */
+    UART0_CR = CR_UART_ENABLE | CR_TX_INT_ENABLE | CR_RX_INT_ENABLE;
+}
+
+unsigned char UartPutc(unsigned char ch)
+{
+    if (ch == '\n') {
+        (void) UartPutc('\r');
+    }
+    while (UART0_FR & FR_TX_FIFO_FULL)
+        ;
+    UART0_DR = ch;
+
+    return ch;
+}
+
+unsigned char UartGetc(void)
+{
+    unsigned char c;
+    while (UART0_FR & FR_RX_FIFO_EMPTY)
+        ;
+    c = UART0_DR;
+    if (c == '\r') {
+        c = '\n';
+    }
+
+    return c;
+}
+
+bool GetLine (char *lp, unsigned int len)
+{
+    unsigned int cnt = 0;
+    char c;
+
+    do {
+        c = UartGetc();
+        switch (c) {
+            case CNTLQ:                       /* ignore Control S/Q.            */
+            case CNTLS:
+                break;
+            case BACKSPACE:
+            case DEL:
+                if (cnt == 0) {
+                    break;
+                }
+                cnt--;                         /* decrement count.               */
+                lp--;                          /* and line pointer.              */
+                UartPutc (0x08);               /* echo backspace.                */
+                UartPutc (' ');
+                UartPutc (0x08);
+                fflush (stdout);
+                break;
+            case ESC:
+            case 0:
+                *lp = 0;                       /* ESC - stop editing line.       */
+                return false;
+            case CR:                           /* CR - done, stop editing line.  */
+                *lp = c;
+                lp++;                          /* increment line pointer.        */
+                cnt++;                         /* and count.                     */
+                c = LF;
+            default:
+                UartPutc (*lp = c);            /* echo and store character.      */
+                fflush (stdout);
+                lp++;                          /* increment line pointer.        */
+                cnt++;                         /* and count.                     */
+                break;
+        }
+    } while (cnt < len - 2  &&  c != LF);      /* check limit and CR.            */
+    *lp = 0;                                   /* mark end of string.            */
+    return true;
+}
+
+__attribute__((noreturn)) void UartEndSimulation(int code)
+{
+    UartPutc((char) 0x4);  // End of simulation
+    UartPutc((char) code); // Exit code
+    while(1);
+}