500 lines
11 KiB
C
500 lines
11 KiB
C
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/* Copyright 2017 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/** @file tfdp.c
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*MCHP Trace FIFO Data Port hardware access
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*/
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/** @defgroup MCHP Peripherals TFDP
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* @{
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*/
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#include "common.h"
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#include "gpio.h"
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#include "registers.h"
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#include "tfdp_chip.h"
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#ifdef CONFIG_MCHP_TFDP
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static uint32_t get_disable_intr(void)
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{
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uint32_t m;
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__asm__ __volatile__ ("mrs %0, primask;cpsid i" : "=r" (m));
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return m;
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}
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static void restore_intr(uint32_t m)
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{
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if (!m)
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__asm__ __volatile__ ("cpsie i" : : : "memory");
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}
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/**
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* tfdp_power - Gate clocks On/Off to TFDP block when idle
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*
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* @param pwr_on (0=Gate clocks when idle), (1=Do not gate
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* clocks when idle)
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*/
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void tfdp_power(uint8_t pwr_on)
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{
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if (pwr_on)
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MCHP_PCR_SLP_DIS_DEV(MCHP_PCR_TFDP);
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else
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MCHP_PCR_SLP_EN_DEV(MCHP_PCR_TFDP);
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}
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/**
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* tfdp_enable - Init Trace FIFO Data Port
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* @param uint8_t non-zero=enable TFDP, false=disable TFDP
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* @param uint8_t non-zero=change TFDP pin configuration.
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* If TFDP is enabled then GPIO170/171 set to Alt. Func. 1
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* Else GPIO170/171 set to GPIO input, internal pull-up enabled.
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* @note -
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*/
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#define MCHP_TFDP_DATA REG8(MCHP_TFDP_BASE + 0x00)
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#define MCHP_TFDP_CTRL REG8(MCHP_TFDP_BASE + 0x04)
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void tfdp_enable(uint8_t en, uint8_t pin_cfg)
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{
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if (en) {
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MCHP_TFDP_CTRL = 0x01u;
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if (pin_cfg)
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gpio_config_module(MODULE_TFDP, 1);
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} else {
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MCHP_TFDP_CTRL = 0x00u;
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if (pin_cfg)
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gpio_config_module(MODULE_TFDP, 0);
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}
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} /* end tfdp_enable() */
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/**
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* TFDPTrace0 - TRACE0: transmit 16-bit trace number lsb first
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* over TFDP.
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*
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* @param nbr 16-bit trace number
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* @param b unused
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*
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* @return uint8_t always TRUE
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* @note Function implements critical section.
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* Uses tool kit __disable_irq()/__enable_irq() pair which may use
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* priviledged Cortex-Mx instructions.
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*/
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void TFDPTrace0(uint16_t nbr)
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{
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#ifdef MCHP_TRACE_MASK_IRQ
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uint32_t prim;
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prim = get_disable_intr();
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#endif
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MCHP_TFDP_DATA = (TFDP_FRAME_START);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)nbr;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
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TFDP_DELAY();
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#ifdef MCHP_TRACE_MASK_IRQ
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restore_intr(prim);
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#endif
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}
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/**
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* TRDPTrace1 - TRACE1: transmit 16-bit trace number lsb first
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* and 16-bit data lsb first over TFDP.
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*
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* @param nbr 16-bit trace number
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* @param b unused
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* @param uint32_t p1 16-bit data1 in b[15:0]
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*
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* @return uint8_t always TRUE
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* @note Function implements critical section.
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* Uses tool kit __disable_irq()/__enable_irq() pair which may use
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* priviledged Cortex-Mx instructions.
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*/
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void TFDPTrace1(uint16_t nbr, uint32_t p1)
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{
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#ifdef MCHP_TRACE_MASK_IRQ
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uint32_t prim;
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prim = get_disable_intr();
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#endif
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MCHP_TFDP_DATA = (TFDP_FRAME_START);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)nbr;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p1;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 8);
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TFDP_DELAY();
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#ifdef MCHP_TRACE_MASK_IRQ
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restore_intr(prim);
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#endif
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}
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/**
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* TFDPTrace2 - TRACE2: transmit 16-bit trace number lsb first
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* and two 16-bit data parameters lsb first over TFDP.
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*
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* @param nbr trace number
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* @param b unused
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* @param uint32_t p1 16-bit data1 in b[15:0]
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* @param uint32_t p2 16-bit data2 in b[15:0]
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*
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* @return uint8_t always TRUE
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* @note Uses tool kit functions to save/disable/restore
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* interrupts for critical section. These may use
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* priviledged instructions.
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*/
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void TFDPTrace2(uint16_t nbr, uint32_t p1, uint32_t p2)
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{
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#ifdef MCHP_TRACE_MASK_IRQ
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uint32_t prim;
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prim = get_disable_intr();
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#endif
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MCHP_TFDP_DATA = (TFDP_FRAME_START);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)nbr;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p1;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p2;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p2 >> 8);
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TFDP_DELAY();
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#ifdef MCHP_TRACE_MASK_IRQ
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restore_intr(prim);
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#endif
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}
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/**
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* TFDPTrace3 - TRACE3: transmit 16-bit trace number lsb first
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* and three 16-bit data parameters lsb first over TFDP.
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*
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* @param nbr trace number
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* @param b unused
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* @param uint32_t p1 16-bit data1 in b[15:0]
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* @param uint32_t p2 16-bit data2 in b[15:0]
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* @param uint32_t p3 16-bit data3 in b[15:0]
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*
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* @return uint8_t always TRUE
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* @note Uses tool kit functions to save/disable/restore
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* interrupts for critical section. These may use
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* priviledged instructions.
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*/
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void TFDPTrace3(uint16_t nbr, uint32_t p1,
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uint32_t p2, uint32_t p3)
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{
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#ifdef MCHP_TRACE_MASK_IRQ
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uint32_t prim;
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prim = get_disable_intr();
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#endif
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MCHP_TFDP_DATA = (TFDP_FRAME_START);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)nbr;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p1;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p2;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p2 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p3;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p3 >> 8);
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TFDP_DELAY();
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#ifdef MCHP_TRACE_MASK_IRQ
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restore_intr(prim);
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#endif
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}
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/**
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* TFDPTrace4 - TRACE3: transmit 16-bit trace number lsb first
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* and four 16-bit data parameters lsb first over TFDP.
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*
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* @param nbr trace number
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* @param b unused
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* @param uint32_t p1 16-bit data1 in b[15:0]
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* @param uint32_t p2 16-bit data2 in b[15:0]
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* @param uint32_t p3 16-bit data3 in b[15:0]
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* @param uint32_t p4 16-bit data4 in b[15:0]
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*
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* @return uint8_t always TRUE
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* @note Uses tool kit functions to save/disable/restore
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* interrupts for critical section. These may use
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* priviledged instructions.
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*/
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void TFDPTrace4(uint16_t nbr, uint32_t p1, uint32_t p2,
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uint32_t p3, uint32_t p4)
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{
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#ifdef MCHP_TRACE_MASK_IRQ
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uint32_t prim;
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prim = get_disable_intr();
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#endif
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MCHP_TFDP_DATA = (TFDP_FRAME_START);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)nbr;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p1;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p2;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p2 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p3;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p3 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p4;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p4 >> 8);
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TFDP_DELAY();
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#ifdef MCHP_TRACE_MASK_IRQ
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restore_intr(prim);
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#endif
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}
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/**
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* TFDPTrace11 - Transmit one 32-bit data item over TFDP
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*
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* @param nbr trace number
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* @param b unused
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* @param uint32_t p1 32-bit data to be transmitted
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*
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*/
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void TFDPTrace11(uint16_t nbr, uint32_t p1)
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{
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#ifdef MCHP_TRACE_MASK_IRQ
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uint32_t prim;
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prim = get_disable_intr();
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#endif
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MCHP_TFDP_DATA = (TFDP_FRAME_START);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)nbr;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p1;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 16);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 24);
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TFDP_DELAY();
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#ifdef MCHP_TRACE_MASK_IRQ
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restore_intr(prim);
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#endif
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}
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/**
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* TFDPTrace12 - Transmit two 32-bit data items over TFDP
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*
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* @param nbr trace number
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* @param b unused
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* @param uint32_t p1 32-bit data1 to be transmitted
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* @param uint32_t p2 32-bit data2 to be transmitted
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*
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*/
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void TFDPTrace12(uint16_t nbr, uint32_t p1, uint32_t p2)
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{
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#ifdef MCHP_TRACE_MASK_IRQ
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uint32_t prim;
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prim = get_disable_intr();
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#endif
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MCHP_TFDP_DATA = (TFDP_FRAME_START);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)nbr;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p1;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 16);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p1 >> 24);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)p2;
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p2 >> 8);
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TFDP_DELAY();
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MCHP_TFDP_DATA = (uint8_t)(p2 >> 16);
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|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p2 >> 24);
|
||
|
|
TFDP_DELAY();
|
||
|
|
|
||
|
|
#ifdef MCHP_TRACE_MASK_IRQ
|
||
|
|
restore_intr(prim);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* TFDPTrace13 - Transmit three 32-bit data items over TFDP
|
||
|
|
*
|
||
|
|
* @param nbr trace number
|
||
|
|
* @param b unused
|
||
|
|
* @param uint32_t p1 32-bit data1 to be transmitted
|
||
|
|
* @param uint32_t p2 32-bit data2 to be transmitted
|
||
|
|
* @param uint32_t p3 32-bit data3 to be transmitted
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
void TFDPTrace13(uint16_t nbr, uint32_t p1,
|
||
|
|
uint32_t p2, uint32_t p3)
|
||
|
|
{
|
||
|
|
#ifdef MCHP_TRACE_MASK_IRQ
|
||
|
|
uint32_t prim;
|
||
|
|
|
||
|
|
prim = get_disable_intr();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
MCHP_TFDP_DATA = (TFDP_FRAME_START);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)nbr;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)p1;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p1 >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p1 >> 16);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p1 >> 24);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)p2;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p2 >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p2 >> 16);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p2 >> 24);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)p3;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p3 >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p3 >> 16);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p3 >> 24);
|
||
|
|
TFDP_DELAY();
|
||
|
|
|
||
|
|
#ifdef MCHP_TRACE_MASK_IRQ
|
||
|
|
restore_intr(prim);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* TFDPTrace14 - Transmit four 32-bit data items over TFDP
|
||
|
|
*
|
||
|
|
* @param nbr trace number
|
||
|
|
* @param b unused
|
||
|
|
* @param uint32_t p1 32-bit data1 to be transmitted
|
||
|
|
* @param uint32_t p2 32-bit data2 to be transmitted
|
||
|
|
* @param uint32_t p3 32-bit data3 to be transmitted
|
||
|
|
* @param uint32_t p4 32-bit data4 to be transmitted
|
||
|
|
*/
|
||
|
|
void TFDPTrace14(uint16_t nbr, uint32_t p1, uint32_t p2,
|
||
|
|
uint32_t p3, uint32_t p4)
|
||
|
|
{
|
||
|
|
#ifdef MCHP_TRACE_MASK_IRQ
|
||
|
|
uint32_t prim;
|
||
|
|
|
||
|
|
prim = get_disable_intr();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
MCHP_TFDP_DATA = (TFDP_FRAME_START);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)nbr;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(nbr >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)p1;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p1 >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p1 >> 16);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p1 >> 24);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)p2;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p2 >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p2 >> 16);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p2 >> 24);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)p3;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p3 >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p3 >> 16);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p3 >> 24);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)p4;
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p4 >> 8);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p4 >> 16);
|
||
|
|
TFDP_DELAY();
|
||
|
|
MCHP_TFDP_DATA = (uint8_t)(p4 >> 24);
|
||
|
|
TFDP_DELAY();
|
||
|
|
|
||
|
|
#ifdef MCHP_TRACE_MASK_IRQ
|
||
|
|
restore_intr(prim);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* #ifdef CONFIG_MCHP_TFDP */
|
||
|
|
|
||
|
|
|
||
|
|
/* end tfdp.c */
|
||
|
|
/** @}
|
||
|
|
*/
|