diff options
| author | Perry Hung <iperry@alum.mit.edu> | 2010-03-30 22:03:00 -0400 |
|---|---|---|
| committer | Perry Hung <iperry@alum.mit.edu> | 2010-03-30 22:03:00 -0400 |
| commit | 2c33d55bae8f9e0e009634072ab05302fc734a65 (patch) | |
| tree | 63285f96e795fc423cd5bf573340d12f6c8d5513 /src/lib/rcc.h | |
| parent | 23149e9706ff0a6a338e13804456dff4c655e34b (diff) | |
| parent | 1d3861ef93f8423176c6010ab606abdab00a7cbd (diff) | |
| download | librambutan-2c33d55bae8f9e0e009634072ab05302fc734a65.tar.gz librambutan-2c33d55bae8f9e0e009634072ab05302fc734a65.zip | |
Merge branch 'master' into rcc-dev
Conflicts:
Makefile
Diffstat (limited to 'src/lib/rcc.h')
| -rw-r--r-- | src/lib/rcc.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/src/lib/rcc.h b/src/lib/rcc.h deleted file mode 100644 index 5c9591b..0000000 --- a/src/lib/rcc.h +++ /dev/null @@ -1,107 +0,0 @@ -/** - * @file rcc.h - * - * @brief - */ - -#ifndef _RCC_H_ -#define _RCC_H_ - -#define RCC_BASE 0x40021000 -#define RCC_CR (RCC_BASE + 0x0) -#define RCC_CFGR (RCC_BASE + 0x4) -#define RCC_CIR (RCC_BASE + 0x8) -#define RCC_APB2RSTR (RCC_BASE + 0xC) -#define RCC_APB1RSTR (RCC_BASE + 0x10) -#define RCC_AHBENR (RCC_BASE + 0x14) -#define RCC_APB2ENR (RCC_BASE + 0x18) -#define RCC_APB1ENR (RCC_BASE + 0x1C) -#define RCC_BDCR (RCC_BASE + 0x20) -#define RCC_CSR (RCC_BASE + 0x24) -#define RCC_AHBSTR (RCC_BASE + 0x28) -#define RCC_CFGR2 (RCC_BASE + 0x2C)) - -#define HSEON BIT(16) -#define HSERDY *(volatile uint32_t*)(BITBAND_PERI(RCC_CR + 2, 0)) - -#define ADCPRE 0x0000C000 -#define HPRE 0x000000F0 -#define PPRE2 0x00003800 // apb2 high speed prescaler -#define PPRE1 0x00000700 // apb1 low-speed prescaler - -#define PLLMUL 0x002C0000 -#define PLL_MUL_9 0x001C0000 -#define PLLSRC BIT(16) -#define SYSCLK_DIV_1 (0x0 << 4) -#define HCLK_DIV_1 0 -#define HCLK_DIV_2 0x00000400 -#define PCLK2_DIV_2 0x00008000 - -#define PLLRDY BIT(25) -#define PLLON BIT(24) -#define PLL_INPUT_CLK_HSE BIT(16) - -#define RCC_CFGR_SWS 0x00000003 -#define RCC_CFGR_SWS_PLL 0x00000002 - -/* APB2 reset bits */ -#define RCC_APB2RSTR_USART1RST BIT(14) -#define RCC_APB2RSTR_SPI1RST BIT(12) -#define RCC_APB2RSTR_TIM1RST BIT(11) -#define RCC_APB2RSTR_ADC2RST BIT(10) -#define RCC_APB2RSTR_ADC1RST BIT(9) -#define RCC_APB2RSTR_IOERST BIT(6) -#define RCC_APB2RSTR_IODRST BIT(5) -#define RCC_APB2RSTR_IOCRST BIT(4) -#define RCC_APB2RSTR_IOBRST BIT(3) -#define RCC_APB2RSTR_IOARST BIT(2) -#define RCC_APB2RSTR_AFIORST BIT(0) - -/* APB2 peripheral clock enable bits */ -#define RCC_APB2ENR_USART1EN BIT(14) -#define RCC_APB2ENR_SPI1EN BIT(12) -#define RCC_APB2ENR_TIM1EN BIT(11) -#define RCC_APB2ENR_ADC2EN BIT(10) -#define RCC_APB2ENR_ADC1EN BIT(9) -#define RCC_APB2ENR_IOEEN BIT(6) -#define RCC_APB2ENR_IODEN BIT(5) -#define RCC_APB2ENR_IOCEN BIT(4) -#define RCC_APB2ENR_IOBEN BIT(3) -#define RCC_APB2ENR_IOAEN BIT(2) -#define RCC_APB2ENR_AFIOEN BIT(0) - -/* APB1 peripheral clock enable bits */ -#define RCC_APB1ENR_TIM2EN BIT(0) -#define RCC_APB1ENR_TIM3EN BIT(1) -#define RCC_APB1ENR_TIM4EN BIT(2) -#define RCC_APB1ENR_USART2EN BIT(17) -#define RCC_APB1ENR_USART3EN BIT(18) - -#define rcc_enable_clk_timer1() __set_bits(RCC_APB2ENR, RCC_APB2ENR_TIM1EN) -#define rcc_enable_clk_timer2() __set_bits(RCC_APB1ENR, RCC_APB1ENR_TIM2EN) -#define rcc_enable_clk_timer3() __set_bits(RCC_APB1ENR, RCC_APB1ENR_TIM3EN) -#define rcc_enable_clk_timer4() __set_bits(RCC_APB1ENR, RCC_APB1ENR_TIM4EN) - -#define rcc_enable_clk_gpioa() __set_bits(RCC_APB2ENR, RCC_APB2ENR_IOAEN) -#define rcc_enable_clk_gpiob() __set_bits(RCC_APB2ENR, RCC_APB2ENR_IOBEN) -#define rcc_enable_clk_gpioc() __set_bits(RCC_APB2ENR, RCC_APB2ENR_IOCEN) -#define rcc_enable_clk_gpiod() __set_bits(RCC_APB2ENR, RCC_APB2ENR_IODEN) -#define rcc_enable_clk_afio() __set_bits(RCC_APB2ENR, RCC_APB2ENR_AFIOEN) - -#define rcc_enable_clk_usart1() __set_bits(RCC_APB2ENR, RCC_APB2ENR_USART1EN) -#define rcc_enable_clk_usart2() __set_bits(RCC_APB1ENR, RCC_APB1ENR_USART2EN) -#define rcc_enable_clk_usart3() __set_bits(RCC_APB1ENR, RCC_APB1ENR_USART3EN) - -#define rcc_enable_clk_adc1() __set_bits(RCC_APB2ENR, RCC_APB2ENR_ADC1EN) - -#define rcc_reset_adc1() { __set_bits(RCC_APB2RSTR, RCC_APB2RSTR_ADC1RST); \ - __clear_bits(RCC_APB2RSTR, RCC_APB2RSTR_ADC1RST); \ - } - - -void rcc_init(void); -void rcc_set_adc_prescaler(uint32_t divider); - -#endif - - |