/**
* @file
* @ingroup arm_rtl22xx
* @brief Global BSP definitions.
*/
/*
* Philips LPC22XX/LPC21xx BSP header file
*
* by Ray,Xu <Rayx.cn@gmail.com>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef LIBBSP_ARM_RTL22XX_BSP_H
#define LIBBSP_ARM_RTL22XX_BSP_H
#include <bspopts.h>
#include <bsp/default-initial-extension.h>
/**
* @defgroup arm_rtl22xx RTL22XX Support
* @ingroup RTEMSBSPsARM
* @brief RTL22XX Support Package
* @{
*/
#include <rtems.h>
#ifdef __cplusplus
extern "C" {
#endif
#define BSP_FEATURE_IRQ_EXTENSION
#define CONFIG_ARM_CLK 60000000L
/* cclk=cco/(2*P) */
/* cco = cclk*2*P */
/** @brief system clk frequecy,<=60Mhz, defined in system configuration */
#define LPC22xx_Fcclk CONFIG_ARM_CLK
/* Fcco 156M~320Mhz*/
/** @brief system clk frequecy,<=60Mhz, defined in system configuration */
#define LPC22xx_Fcclk CONFIG_ARM_CLK
#define LPC22xx_Fcco LPC22xx_Fcclk * 4
/** @brief VPB clk frequency,1,1/2,1/4 times of Fcclk */
#define LPC22xx_Fpclk (LPC22xx_Fcclk /4) *1
/**
* @name Fcclk range: 10MHz ~ MCU allowed frequency
* @{
*/
#define Fcclk_MIN 10000000L
#define Fcclk_MAX 60000000L
/** @} */
/**
* @name Fcco range: 156MHz ~ 320MHz
* @{
*/
#define Fcco_MIN 156000000L
#define Fcco_MAX 320000000L
/** @} */
#define PLLFEED_DATA1 0xAA
#define PLLFEED_DATA2 0x55
/**
* @name PLL PLLCON register bit descriptions
* @{
*/
#define PLLCON_ENABLE_BIT 0
#define PLLCON_CONNECT_BIT 1
/** @} */
/**
* @name PLL PLLSTAT register bit descriptions
* @{
*/
#define PLLSTAT_ENABLE_BIT 8
#define PLLSTAT_CONNECT_BIT 9
#define PLLSTAT_LOCK_BIT 10
/** @} */
/**
* @name PM Peripheral Type
* @{
*/
#define PC_TIMER0 0x2
#define PC_TIMER1 0x4
#define PC_UART0 0x8
#define PC_UART1 0x10
#define PC_PWM0 0x20
#define PC_I2C 0x80
#define PC_SPI0 0x100
#define PC_RTC 0x200
/** @} */
/** @brief OSC [Hz] */
#define FOSC 11059200
/** @brief Core clk [Hz] */
#define FCCLK FOSC<<2
/**
* @name System Configure
* @{
*/
/** @brief osc freq,10MHz~25MHz, change to a real one if needed */
#define Fosc 11059200
/** @brief system freq 2^n time of Fosc(1~32) <=60MHZ */
#define Fcclk (Fosc << 2)
/** @brief CCO freq 2,4,8,16 time of Fcclk 156MHz~320MHz */
#define Fcco (Fcclk <<2)
/** @brief VPB freq only(Fcclk / 4) 1~4 */
#define Fpclk (Fcclk >>2) * 1
/* This was M. That is a BAD BAD public constant. I renamed it to
* JOEL_M so it wouldn't conflict with user code. If you can find
* a better name, fix this. But nothing I found uses it.
*/
/** @} */
#define JOEL_M Fcclk / Fosc
#define P_min Fcco_MIN / (2*Fcclk) + 1;
#define P_max Fcco_MAX / (2*Fcclk);
#define UART_BPS 115200
/** @brief Time Precision time [us] */
#define TIMER_PRECISION 10
/** @brief I2C Speed [bit/s] */
#define I2CSPEED 20000 // 20 Kbit/s
/**
* @name Uarts buffers size
* @{
*/
#define RXBUFSIZE 32
#define TXBUFSIZE 32
/** @} */
/** @brief SPI Speed [bit/s] */
#define SPISPEED 1500000 // 1.5 Mbit/s
/** @brief SPI EEPROM CS pin
*
* (SSEL is not suitable for CS, because is used by SPI module for multi master SPI interface)
*/
#define SPI_CS_PIN P0_13
#define SPI_CS_PIN_FUNC PINSEL0_bit.SPI_CS_PIN
/**
* @name Flash definition
* @{
*/
//#define RTL22XX_FLASH_SIZE (0x200000-RTL22XX_FLASH_BOOT) // Total area of Flash region in words 8 bit
/** @brief Total area of Flash region in words 8 bit */
#define RTL22XX_FLASH_SIZE (0x80000-RTL22XX_FLASH_BOOT)
//#define RTL22XX_FLASH_SIZE (0x80000-RTL22XX_FLASH_BOOT) // Total area of Flash region in words 8 bit
#define RTL22XX_FLASH_BEGIN 0x80000000
/** @brief First 0x8000 bytes reserved for boot loader etc. */
#define RTL22XX_FLASH_BASE (RTL22XX_FLASH_BEGIN+RTL22XX_FLASH_BOOT)
/** @} */
/**
* @name SRAM definition
* @{
*/
/** @brief Total area of Flash region in words 8 bit */
#define SRAM_SIZE 0x100000
/** @brief First 0x8000 bytes reserved for boot loader etc. */
#define SRAM_BASE 0x81000000
/** @} */
/** @brief CS8900A definition */
#define CS8900A_BASE 0x82000000
/** @brief RTL8019AS definition */
#define RTL8019AS_BASE 0x82000000
struct rtems_bsdnet_ifconfig;
int cs8900_driver_attach (struct rtems_bsdnet_ifconfig *config,
int attaching);
/**
* @name Network driver configuration
* @{
*/
#define RTEMS_BSP_NETWORK_DRIVER_NAME "eth0"
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH cs8900_driver_attach
/** @} */
/*
* Prototypes for methods used across file boundaries in the BSP.
*/
extern void UART0_Ini(void);
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* _BSP_H */
