From f695df295da82c8ef801906ad8b00b0e8afa7502 Mon Sep 17 00:00:00 2001 From: Nathaniel Graff Date: Thu, 7 Mar 2019 09:27:31 -0800 Subject: Remove legacy BSP Signed-off-by: Nathaniel Graff --- bsp/env/freedom-e300-arty/flash.lds | 1 - bsp/env/freedom-e300-arty/init.c | 87 ------------------------ bsp/env/freedom-e300-arty/openocd.cfg | 30 -------- bsp/env/freedom-e300-arty/platform.h | 124 ---------------------------------- bsp/env/freedom-e300-arty/settings.mk | 3 - 5 files changed, 245 deletions(-) delete mode 120000 bsp/env/freedom-e300-arty/flash.lds delete mode 100644 bsp/env/freedom-e300-arty/init.c delete mode 100644 bsp/env/freedom-e300-arty/openocd.cfg delete mode 100644 bsp/env/freedom-e300-arty/platform.h delete mode 100644 bsp/env/freedom-e300-arty/settings.mk (limited to 'bsp/env/freedom-e300-arty') diff --git a/bsp/env/freedom-e300-arty/flash.lds b/bsp/env/freedom-e300-arty/flash.lds deleted file mode 120000 index 6441ce5..0000000 --- a/bsp/env/freedom-e300-arty/flash.lds +++ /dev/null @@ -1 +0,0 @@ -../freedom-e300-hifive1/flash.lds \ No newline at end of file diff --git a/bsp/env/freedom-e300-arty/init.c b/bsp/env/freedom-e300-arty/init.c deleted file mode 100644 index a6f4b39..0000000 --- a/bsp/env/freedom-e300-arty/init.c +++ /dev/null @@ -1,87 +0,0 @@ -//See LICENSE for license details. -#include -#include -#include - -#include "platform.h" -#include "encoding.h" - -extern int main(int argc, char** argv); -extern void trap_entry(); - -static unsigned long get_cpu_freq() -{ - return 65000000; -} - -unsigned long get_timer_freq() -{ - return get_cpu_freq(); -} - -uint64_t get_timer_value() -{ -#if __riscv_xlen == 32 - while (1) { - uint32_t hi = read_csr(mcycleh); - uint32_t lo = read_csr(mcycle); - if (hi == read_csr(mcycleh)) - return ((uint64_t)hi << 32) | lo; - } -#else - return read_csr(mcycle); -#endif -} - -static void uart_init(size_t baud_rate) -{ - GPIO_REG(GPIO_IOF_SEL) &= ~IOF0_UART0_MASK; - GPIO_REG(GPIO_IOF_EN) |= IOF0_UART0_MASK; - UART0_REG(UART_REG_DIV) = get_cpu_freq() / baud_rate - 1; - UART0_REG(UART_REG_TXCTRL) |= UART_TXEN; -} - - -#ifdef USE_PLIC -extern void handle_m_ext_interrupt(); -#endif - -#ifdef USE_M_TIME -extern void handle_m_time_interrupt(); -#endif - -uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc) -{ - if (0){ -#ifdef USE_PLIC - // External Machine-Level interrupt from PLIC - } else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_EXT)) { - handle_m_ext_interrupt(); -#endif -#ifdef USE_M_TIME - // External Machine-Level interrupt from PLIC - } else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_TIMER)){ - handle_m_time_interrupt(); -#endif - } - else { - write(1, "Unhandled Trap:\n", 16); - _exit(1 + mcause); - } - return epc; -} - -void _init() -{ - #ifndef NO_INIT - uart_init(115200); - - printf("core freq at %d Hz\n", get_cpu_freq()); - - write_csr(mtvec, &trap_entry); - #endif -} - -void _fini() -{ -} diff --git a/bsp/env/freedom-e300-arty/openocd.cfg b/bsp/env/freedom-e300-arty/openocd.cfg deleted file mode 100644 index ba13207..0000000 --- a/bsp/env/freedom-e300-arty/openocd.cfg +++ /dev/null @@ -1,30 +0,0 @@ -adapter_khz 10000 - -#source [find interface/ftdi/olimex-arm-usb-tiny-h.cfg] - -interface ftdi -ftdi_device_desc "Olimex OpenOCD JTAG ARM-USB-TINY-H" -ftdi_vid_pid 0x15ba 0x002a - -ftdi_layout_init 0x0808 0x0a1b -ftdi_layout_signal nSRST -oe 0x0200 -ftdi_layout_signal nTRST -data 0x0100 -oe 0x0100 -ftdi_layout_signal LED -data 0x0800 -# - -set _CHIPNAME riscv -jtag newtap $_CHIPNAME cpu -irlen 5 - -set _TARGETNAME $_CHIPNAME.cpu -target create $_TARGETNAME riscv -chain-position $_TARGETNAME -$_TARGETNAME configure -work-area-phys 0x80000000 -work-area-size 10000 -work-area-backup 1 - -flash bank my_first_flash fespi 0x20000000 0 0 0 $_TARGETNAME 0x10014000 -init -#reset -if {[ info exists pulse_srst]} { - ftdi_set_signal nSRST 0 - ftdi_set_signal nSRST z -} -halt -#flash protect 0 64 last off diff --git a/bsp/env/freedom-e300-arty/platform.h b/bsp/env/freedom-e300-arty/platform.h deleted file mode 100644 index 8ff7ae6..0000000 --- a/bsp/env/freedom-e300-arty/platform.h +++ /dev/null @@ -1,124 +0,0 @@ -// See LICENSE for license details. - -#ifndef _SIFIVE_PLATFORM_H -#define _SIFIVE_PLATFORM_H - -// Some things missing from the official encoding.h -#define MCAUSE_INT 0x80000000 -#define MCAUSE_CAUSE 0x7FFFFFFF - -#include "sifive/const.h" -#include "sifive/devices/aon.h" -#include "sifive/devices/clint.h" -#include "sifive/devices/gpio.h" -#include "sifive/devices/plic.h" -#include "sifive/devices/pwm.h" -#include "sifive/devices/spi.h" -#include "sifive/devices/uart.h" - -/**************************************************************************** - * Platform definitions - *****************************************************************************/ - -#define TRAPVEC_TABLE_CTRL_ADDR _AC(0x00001010,UL) -#define CLINT_CTRL_ADDR _AC(0x02000000,UL) -#define PLIC_CTRL_ADDR _AC(0x0C000000,UL) -#define AON_CTRL_ADDR _AC(0x10000000,UL) -#define GPIO_CTRL_ADDR _AC(0x10012000,UL) -#define UART0_CTRL_ADDR _AC(0x10013000,UL) -#define SPI0_CTRL_ADDR _AC(0x10014000,UL) -#define PWM0_CTRL_ADDR _AC(0x10015000,UL) -#define UART1_CTRL_ADDR _AC(0x10023000,UL) -#define SPI1_CTRL_ADDR _AC(0x10024000,UL) -#define PWM1_CTRL_ADDR _AC(0x10025000,UL) -#define SPI2_CTRL_ADDR _AC(0x10034000,UL) -#define PWM2_CTRL_ADDR _AC(0x10035000,UL) -#define SPI0_MMAP_ADDR _AC(0x20000000,UL) -#define MEM_CTRL_ADDR _AC(0x80000000,UL) - -// IOF Mappings -#define IOF0_SPI1_MASK _AC(0x000007FC,UL) -#define SPI11_NUM_SS (4) -#define IOF_SPI1_SS0 (2u) -#define IOF_SPI1_SS1 (8u) -#define IOF_SPI1_SS2 (9u) -#define IOF_SPI1_SS3 (10u) -#define IOF_SPI1_MOSI (3u) -#define IOF_SPI1_MISO (4u) -#define IOF_SPI1_SCK (5u) -#define IOF_SPI1_DQ0 (3u) -#define IOF_SPI1_DQ1 (4u) -#define IOF_SPI1_DQ2 (6u) -#define IOF_SPI1_DQ3 (7u) - -#define IOF0_SPI2_MASK _AC(0xFC000000,UL) -#define SPI2_NUM_SS (1) -#define IOF_SPI2_SS0 (26u) -#define IOF_SPI2_MOSI (27u) -#define IOF_SPI2_MISO (28u) -#define IOF_SPI2_SCK (29u) -#define IOF_SPI2_DQ0 (27u) -#define IOF_SPI2_DQ1 (28u) -#define IOF_SPI2_DQ2 (30u) -#define IOF_SPI2_DQ3 (31u) - -#define IOF0_UART0_MASK _AC(0x00030000, UL) -#define IOF_UART0_RX (16u) -#define IOF_UART0_TX (17u) - -#define IOF0_UART1_MASK _AC(0x03000000, UL) -#define IOF_UART1_RX (24u) -#define IOF_UART1_TX (25u) - -#define IOF1_PWM0_MASK _AC(0x0000000F, UL) -#define IOF1_PWM1_MASK _AC(0x00780000, UL) -#define IOF1_PWM2_MASK _AC(0x00003C00, UL) - -// Interrupt Numbers -#define INT_RESERVED 0 -#define INT_WDOGCMP 1 -#define INT_RTCCMP 2 -#define INT_UART0_BASE 3 -#define INT_UART1_BASE 4 -#define INT_SPI0_BASE 5 -#define INT_SPI1_BASE 6 -#define INT_SPI2_BASE 7 -#define INT_GPIO_BASE 8 -#define INT_PWM0_BASE 40 -#define INT_PWM1_BASE 44 -#define INT_PWM2_BASE 48 - -// Helper functions -#define _REG32(p, i) (*(volatile uint32_t *) ((p) + (i))) -#define _REG32P(p, i) ((volatile uint32_t *) ((p) + (i))) -#define AON_REG(offset) _REG32(AON_CTRL_ADDR, offset) -#define CLINT_REG(offset) _REG32(CLINT_CTRL_ADDR, offset) -#define GPIO_REG(offset) _REG32(GPIO_CTRL_ADDR, offset) -#define OTP_REG(offset) _REG32(OTP_CTRL_ADDR, offset) -#define PLIC_REG(offset) _REG32(PLIC_CTRL_ADDR, offset) -#define PWM0_REG(offset) _REG32(PWM0_CTRL_ADDR, offset) -#define PWM1_REG(offset) _REG32(PWM1_CTRL_ADDR, offset) -#define PWM2_REG(offset) _REG32(PWM2_CTRL_ADDR, offset) -#define SPI0_REG(offset) _REG32(SPI0_CTRL_ADDR, offset) -#define SPI1_REG(offset) _REG32(SPI1_CTRL_ADDR, offset) -#define SPI2_REG(offset) _REG32(SPI2_CTRL_ADDR, offset) -#define UART0_REG(offset) _REG32(UART0_CTRL_ADDR, offset) -#define UART1_REG(offset) _REG32(UART1_CTRL_ADDR, offset) - -// Misc - -#include - - -#define NUM_GPIO 32 - -#define PLIC_NUM_INTERRUPTS 52 -#define PLIC_NUM_PRIORITIES 7 - -#define HAS_BOARD_BUTTONS -#include "hifive1.h" - -unsigned long get_timer_freq(void); -uint64_t get_timer_value(void); - -#endif /* _SIFIVE_PLATFORM_H */ diff --git a/bsp/env/freedom-e300-arty/settings.mk b/bsp/env/freedom-e300-arty/settings.mk deleted file mode 100644 index 230fccc..0000000 --- a/bsp/env/freedom-e300-arty/settings.mk +++ /dev/null @@ -1,3 +0,0 @@ -# Describes the CPU on this board to the rest of the SDK. -RISCV_ARCH := rv32imac -RISCV_ABI := ilp32 -- cgit v1.2.1-18-gbd029