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@@ -1,8 +1,58 @@
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+/*
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+ * at32/f4.h
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+ *
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+ * Core and peripheral registers.
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+ *
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+ * Written & released by Keir Fraser <keir.xen@gmail.com>
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+ *
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+ * This is free and unencumbered software released into the public domain.
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+ * See the file COPYING for more details, or visit <http://unlicense.org>.
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+ */
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-#include "../stm32/f1.h"
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+#define CORTEX_M3 1
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-#undef FLASH_PAGE_SIZE
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-extern unsigned int FLASH_PAGE_SIZE;
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+/* C pointer types */
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+#define BKP volatile struct bkp * const
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+#define AFIO volatile struct afio * const
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+#define DMA_CHN volatile struct dma_chn * const
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+
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+/* C-accessible registers. */
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+static STK stk = (struct stk *)STK_BASE;
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+static SCB scb = (struct scb *)SCB_BASE;
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+static NVIC nvic = (struct nvic *)NVIC_BASE;
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+static DBG dbg = (struct dbg *)DBG_BASE;
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+static FLASH flash = (struct flash *)FLASH_BASE;
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+static PWR pwr = (struct pwr *)PWR_BASE;
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+static BKP bkp = (struct bkp *)BKP_BASE;
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+static RCC rcc = (struct rcc *)RCC_BASE;
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+static IWDG iwdg = (struct iwdg *)IWDG_BASE;
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+static GPIO gpioa = (struct gpio *)GPIOA_BASE;
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+static GPIO gpiob = (struct gpio *)GPIOB_BASE;
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+static GPIO gpioc = (struct gpio *)GPIOC_BASE;
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+static GPIO gpiod = (struct gpio *)GPIOD_BASE;
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+static GPIO gpioe = (struct gpio *)GPIOE_BASE;
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+static GPIO gpiof = (struct gpio *)GPIOF_BASE;
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+static GPIO gpiog = (struct gpio *)GPIOG_BASE;
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+static AFIO afio = (struct afio *)AFIO_BASE;
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+static EXTI exti = (struct exti *)EXTI_BASE;
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+static DMA dma1 = (struct dma *)DMA1_BASE;
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+static DMA dma2 = (struct dma *)DMA2_BASE;
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+static TIM tim1 = (struct tim *)TIM1_BASE;
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+static TIM tim2 = (struct tim *)TIM2_BASE;
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+static TIM tim3 = (struct tim *)TIM3_BASE;
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+static TIM tim4 = (struct tim *)TIM4_BASE;
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+static TIM tim5 = (struct tim *)TIM5_BASE;
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+static TIM tim6 = (struct tim *)TIM6_BASE;
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+static TIM tim7 = (struct tim *)TIM7_BASE;
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+static SPI spi1 = (struct spi *)SPI1_BASE;
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+static SPI spi2 = (struct spi *)SPI2_BASE;
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+static SPI spi3 = (struct spi *)SPI3_BASE;
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+static I2C i2c1 = (struct i2c *)I2C1_BASE;
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+static I2C i2c2 = (struct i2c *)I2C2_BASE;
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+static USART usart1 = (struct usart *)USART1_BASE;
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+static USART usart2 = (struct usart *)USART2_BASE;
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+static USART usart3 = (struct usart *)USART3_BASE;
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+static SER_ID ser_id = (uint32_t *)0x1ffff7e8;
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#define AT32F403 0x02
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#define AT32F413 0x04
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@@ -18,12 +68,21 @@ void early_fatal(int blinks) __attribute__((noreturn));
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#define early_delay_ms(ms) (delay_ticks((ms)*1000))
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#define early_delay_us(us) (delay_ticks((us)*1))
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-#undef SYSCLK_MHZ
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#define SYSCLK_MHZ 144
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#define AHB_MHZ (SYSCLK_MHZ / 1) /* 144MHz */
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#define APB1_MHZ (SYSCLK_MHZ / 2) /* 72MHz */
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#define APB2_MHZ (SYSCLK_MHZ / 2) /* 72MHz */
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+extern unsigned int FLASH_PAGE_SIZE;
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+
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+/* No delay required after enabling a peripheral clock, before accessing it. */
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+#define peripheral_clock_delay() ((void)0)
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+
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+/* No secondary RAM region */
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+#define section_ext_ram
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+
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+extern unsigned int sram_kb;
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+
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enum {
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F4SM_v4 = 0,
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F4SM_v4_slim,
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@@ -40,3 +99,13 @@ struct core_floppy_pins {
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uint8_t head;
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};
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extern const struct core_floppy_pins *core_floppy_pins;
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+
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+/*
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+ * Local variables:
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+ * mode: C
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+ * c-file-style: "Linux"
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+ * c-basic-offset: 4
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+ * tab-width: 4
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+ * indent-tabs-mode: nil
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+ * End:
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+ */
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Keir Fraser