Remove legacy BSP

Signed-off-by: Nathaniel Graff <nathaniel.graff@sifive.com>

2 files changed, 0 insertions, 207 deletions

diff --git a/bsp/drivers/clic/clic_driver.c b/bsp/drivers/clic/clic_driver.c
deleted file mode 100644
index 136ccee..0000000
--- a/bsp/drivers/clic/clic_driver.c
+++ /dev/null
@@ -1,163 +0,0 @@
-// See LICENSE for license details.
-
-#include "sifive/devices/clic.h"
-#include "clic/clic_driver.h"
-#include "platform.h"
-#include "encoding.h"
-#include <string.h>
-
-
-void volatile_memzero(uint8_t * base, unsigned int size) {
-  volatile uint8_t * ptr;
-  for (ptr = base; ptr < (base + size); ptr++){
-    *ptr = 0;
-  }
-}
-
-// Note that there are no assertions or bounds checking on these
-// parameter values.
-void clic_init (
-                clic_instance_t * this_clic,
-                uintptr_t hart_addr,
-                interrupt_function_ptr_t* vect_table,
-                interrupt_function_ptr_t default_handler,
-                uint32_t num_irq,
-                uint32_t num_config_bits
-                )
-{
-  this_clic->hart_addr=  hart_addr;
-  this_clic->vect_table= vect_table;
-  this_clic->num_config_bits= num_config_bits;
-
-  //initialize vector table
-  for(int i=0;i<num_irq;i++)  {
-    this_clic->vect_table[i] = default_handler;
-  }
-
-  //set base vectors
-  write_csr(mtvt, vect_table);
-
-
-  //clear all interrupt enables and pending
-  volatile_memzero((uint8_t*)(this_clic->hart_addr+CLIC_INTIE), num_irq);
-  volatile_memzero((uint8_t*)(this_clic->hart_addr+CLIC_INTIP), num_irq);
-
-  //clear nlbits and nvbits; all interrupts trap to level 15
-  *(volatile uint8_t*)(this_clic->hart_addr+CLIC_CFG)=0;
-
-}
-
-void clic_install_handler (clic_instance_t * this_clic, uint32_t source, interrupt_function_ptr_t handler) {
-    this_clic->vect_table[source] = handler;
-}
-
-void clic_enable_interrupt (clic_instance_t * this_clic, uint32_t source) {
-    *(volatile uint8_t*)(this_clic->hart_addr+CLIC_INTIE+source) = 1;
-}
-
-void clic_disable_interrupt (clic_instance_t * this_clic, uint32_t source){
-  *(volatile uint8_t*)(this_clic->hart_addr+CLIC_INTIE+source) = 0;
-}
-
-void clic_set_pending(clic_instance_t * this_clic, uint32_t source){
-  *(volatile uint8_t*)(this_clic->hart_addr+CLIC_INTIP+source) = 1;
-}
-
-void clic_clear_pending(clic_instance_t * this_clic, uint32_t source){
-  *(volatile uint8_t*)(this_clic->hart_addr+CLIC_INTIP+source) = 0;
-}
-
-void clic_set_intcfg (clic_instance_t * this_clic, uint32_t source, uint32_t intcfg){
-  *(volatile uint8_t*)(this_clic->hart_addr+CLIC_INTCFG+source) = intcfg;
-}
-
-uint8_t clic_get_intcfg  (clic_instance_t * this_clic, uint32_t source){
-  return *(volatile uint8_t*)(this_clic->hart_addr+CLIC_INTCFG+source);
-}
-
-void clic_set_cliccfg (clic_instance_t * this_clic, uint32_t cfg){
-  *(volatile uint8_t*)(this_clic->hart_addr+CLIC_CFG) = cfg;
-}
-
-uint8_t clic_get_cliccfg  (clic_instance_t * this_clic){
-  return *(volatile uint8_t*)(this_clic->hart_addr+CLIC_CFG);
-}
-
-//sets an interrupt level based encoding of nmbits, nlbits
-uint8_t clic_set_int_level( clic_instance_t * this_clic, uint32_t source, uint8_t level) {
-  //extract nlbits
-  uint8_t nlbits = clic_get_cliccfg(this_clic);
-  nlbits = (nlbits >>1) & 0x7;
-
-  //shift level right to mask off unused bits
-  level = level>>((this_clic->num_config_bits)-nlbits); //plus this_clic->nmbits which is always 0 for now.
-  //shift level into correct bit position
-  level = level << (8-this_clic->num_config_bits) + (this_clic->num_config_bits - nlbits);
- 
-  //write to clicintcfg
-  uint8_t current_intcfg = clic_get_intcfg(this_clic, source);
-  clic_set_intcfg(this_clic, source, (current_intcfg | level));
-
-  return level;
-}
-
-//gets an interrupt level based encoding of nmbits, nlbits
-uint8_t clic_get_int_level( clic_instance_t * this_clic, uint32_t source) {
-  uint8_t level;
-  level = clic_get_intcfg(this_clic, source);
-
-  //extract nlbits
-  uint8_t nlbits = clic_get_cliccfg(this_clic);
-  nlbits = (nlbits >>1) & 0x7;
-
-  //shift level
-  level = level >> (8-(this_clic->num_config_bits));
-
-  //shift level right to mask off priority bits
-  level = level>>(this_clic->num_config_bits-nlbits); //this_clic->nmbits which is always 0 for now.
-
-  return level;
-}
-
-//sets an interrupt priority based encoding of nmbits, nlbits
-uint8_t clic_set_int_priority( clic_instance_t * this_clic, uint32_t source, uint8_t priority) {
-  //priority bits = num_config_bits - nlbits
-  //extract nlbits
-  uint8_t nlbits = clic_get_cliccfg(this_clic);
-  nlbits = (nlbits >>1) & 0x7;
-
-  uint8_t priority_bits = this_clic->num_config_bits-nlbits;
-  if(priority_bits = 0) {
-    //no bits to set
-    return 0;
-  }
-  //mask off unused bits
-  priority = priority >> (8-priority_bits);
-  //shift into the correct bit position
-  priority = priority << (8-(this_clic->num_config_bits));
-
-  //write to clicintcfg
-  uint8_t current_intcfg = clic_get_intcfg(this_clic, source);
-  clic_set_intcfg(this_clic, source, (current_intcfg | priority));
-  return current_intcfg;
-}
-
-//gets an interrupt priority based encoding of nmbits, nlbits
-uint8_t clic_get_int_priority( clic_instance_t * this_clic, uint32_t source) {
-  uint8_t priority;
-  priority = clic_get_intcfg(this_clic, source);
-
-  //extract nlbits
-  uint8_t nlbits = clic_get_cliccfg(this_clic);
-  nlbits = (nlbits >>1) & 0x7;
-
-  //shift left to mask off level bits
-  priority = priority << nlbits;
-
-  //shift priority
-  priority = priority >> (8-((this_clic->num_config_bits)+nlbits));
-
- return priority;
-}
-
-
diff --git a/bsp/drivers/clic/clic_driver.h b/bsp/drivers/clic/clic_driver.h
deleted file mode 100644
index 27c34c2..0000000
--- a/bsp/drivers/clic/clic_driver.h
+++ /dev/null
@@ -1,44 +0,0 @@
-// See LICENSE file for licence details
-
-#ifndef PLIC_DRIVER_H
-#define PLIC_DRIVER_H
-
-
-__BEGIN_DECLS
-
-#include "platform.h"
-
-typedef void (*interrupt_function_ptr_t) (void);
-
-typedef struct __clic_instance_t
-{
-  uintptr_t hart_addr;
-  interrupt_function_ptr_t* vect_table;
-  uint32_t num_config_bits;
-  uint32_t num_sources;  
-} clic_instance_t;
-
-// Note that there are no assertions or bounds checking on these
-// parameter values.
-void clic_init (clic_instance_t * this_clic, uintptr_t hart_addr, interrupt_function_ptr_t* vect_table, interrupt_function_ptr_t default_handler, uint32_t num_irq,uint32_t num_config_bits);
-void clic_install_handler (clic_instance_t * this_clic, uint32_t source, interrupt_function_ptr_t handler);
-void clic_enable_interrupt (clic_instance_t * this_clic, uint32_t source);
-void clic_disable_interrupt (clic_instance_t * this_clic, uint32_t source);
-void clic_set_pending(clic_instance_t * this_clic, uint32_t source);
-void clic_clear_pending(clic_instance_t * this_clic, uint32_t source);
-void clic_set_intcfg (clic_instance_t * this_clic, uint32_t source, uint32_t intcfg);
-uint8_t clic_get_intcfg (clic_instance_t * this_clic, uint32_t source);
-void clic_set_cliccfg (clic_instance_t * this_clic, uint32_t cfg);
-uint8_t clic_get_cliccfg  (clic_instance_t * this_clic);
-//sets an interrupt level based encoding of nmbits, nlbits
-uint8_t clic_set_int_level( clic_instance_t * this_clic, uint32_t source, uint8_t level);
-//get an interrupt level based encoding of nmbits, nlbits
-uint8_t clic_get_int_level( clic_instance_t * this_clic, uint32_t source);
-//sets an interrupt priority based encoding of nmbits, nlbits
-uint8_t clic_set_int_priority( clic_instance_t * this_clic, uint32_t source, uint8_t priority);
-//sets an interrupt priority based encoding of nmbits, nlbits
-uint8_t clic_get_int_priority( clic_instance_t * this_clic, uint32_t source);
-
-__END_DECLS
-
-#endif