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Diffstat (limited to 'bsps/arm/rtl22xx/include/bsp.h')
| -rw-r--r-- | bsps/arm/rtl22xx/include/bsp.h | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/bsps/arm/rtl22xx/include/bsp.h b/bsps/arm/rtl22xx/include/bsp.h new file mode 100644 index 0000000000..9b376daf0d --- /dev/null +++ b/bsps/arm/rtl22xx/include/bsp.h @@ -0,0 +1,226 @@ +/** + * @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 bsp_arm + * @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 */ |