altos/stmf0: Add SPI driver.

[fw/altos] / src / stmf0 / stm32f0.h

diff --git a/src/stmf0/stm32f0.h b/src/stmf0/stm32f0.h
index 32864ced9f63ca1e1836d00171399178c14b91a3..14be5fbbd7ef0f09ee567da6def0504de505a430 100644 (file)
--- a/src/stmf0/stm32f0.h
+++ b/src/stmf0/stm32f0.h
@@ -23,6 +23,7 @@
 typedef volatile uint32_t      vuint32_t;
 typedef volatile void *                vvoid_t;
 typedef volatile uint16_t      vuint16_t;
+typedef volatile uint8_t       vuint8_t;
 
 struct stm_gpio {
        vuint32_t       moder;
@@ -568,6 +569,37 @@ extern struct stm_pwr stm_pwr;
 #define STM_PWR_CSR_SBF                (1)
 #define STM_PWR_CSR_WUF                (0)
 
+struct stm_crc {
+       union {
+               vuint32_t       u32;
+               vuint16_t       u16;
+               vuint8_t        u8;
+       }               dr;
+       vuint32_t       idr;
+       vuint32_t       cr;
+       uint32_t        _0c;
+
+       vuint32_t       init;
+       vuint32_t       pol;
+};
+
+extern struct stm_crc  stm_crc;
+
+#define stm_crc        (*((struct stm_crc *) 0x40023000))
+
+#define STM_CRC_CR_REV_OUT     7
+#define STM_CRC_CR_REV_IN      5
+#define  STM_CRC_CR_REV_IN_NONE                0
+#define  STM_CRC_CR_REV_IN_BY_BYTE     1
+#define  STM_CRC_CR_REV_IN_BY_HALF_WORD        2
+#define  STM_CRC_CR_REV_IN_BY_WORD     3
+#define STM_CRC_CR_POLYSIZE    3
+#define  STM_CRC_CR_POLYSIZE_32                0
+#define  STM_CRC_CR_POLYSIZE_16                1
+#define  STM_CRC_CR_POLYSIZE_8         2
+#define  STM_CRC_CR_POLYSIZE_7         3
+#define STM_CRC_CR_RESET       0
+
 /* The SYSTICK starts at 0xe000e010 */
 
 struct stm_systick {
@@ -763,7 +795,7 @@ isr(tim7)
 #define STM_ISR_TSC_POS                        8
 #define STM_ISR_DMA_CH1_POS            9
 #define STM_ISR_DMA_CH2_3_DMA2_CH1_2_POS       10
-#define STM_ISR_DMA_CH44_5_6_7_DMA2_CH3_4_5_POS        11
+#define STM_ISR_DMA_CH4_5_6_7_DMA2_CH3_4_5_POS 11
 #define STM_ISR_ADC_COMP_POS           12
 #define STM_ISR_TIM1_BRK_UP_TRG_COM_POS        13
 #define STM_ISR_TIM1_CC_POS            14
@@ -858,7 +890,7 @@ struct stm_dma_channel {
        vuint32_t       reserved;
 };
 
-#define STM_NUM_DMA    6
+#define STM_NUM_DMA    5
 
 struct stm_dma {
        vuint32_t               isr;
@@ -868,7 +900,7 @@ struct stm_dma {
 
 extern struct stm_dma stm_dma;
 
-/* DMA channels go from 1 to 6, instead of 0 to 5 (sigh)
+/* DMA channels go from 1 to 5, instead of 0 to 4 (sigh)
  */
 
 #define STM_DMA_INDEX(channel)         ((channel) - 1)
@@ -1010,7 +1042,7 @@ extern struct stm_spi stm_spi1, stm_spi2, stm_spi3;
 #define STM_SPI_CR1_BIDIOE             14
 #define STM_SPI_CR1_CRCEN              13
 #define STM_SPI_CR1_CRCNEXT            12
-#define STM_SPI_CR1_DFF                        11
+#define STM_SPI_CR1_CRCL               11
 #define STM_SPI_CR1_RXONLY             10
 #define STM_SPI_CR1_SSM                        9
 #define STM_SPI_CR1_SSI                        8
@@ -1031,17 +1063,43 @@ extern struct stm_spi stm_spi1, stm_spi2, stm_spi3;
 #define STM_SPI_CR1_CPOL               1
 #define STM_SPI_CR1_CPHA               0
 
+#define STM_SPI_CR2_LDMA_TX    14
+#define STM_SPI_CR2_LDMA_RX    13
+#define STM_SPI_CR2_FRXTH      12
+#define STM_SPI_CR2_DS         8
+#define  STM_SPI_CR2_DS_4              0x3
+#define  STM_SPI_CR2_DS_5              0x4
+#define  STM_SPI_CR2_DS_6              0x5
+#define  STM_SPI_CR2_DS_7              0x6
+#define  STM_SPI_CR2_DS_8              0x7
+#define  STM_SPI_CR2_DS_9              0x8
+#define  STM_SPI_CR2_DS_10             0x9
+#define  STM_SPI_CR2_DS_11             0xa
+#define  STM_SPI_CR2_DS_12             0xb
+#define  STM_SPI_CR2_DS_13             0xc
+#define  STM_SPI_CR2_DS_14             0xd
+#define  STM_SPI_CR2_DS_15             0xe
+#define  STM_SPI_CR2_DS_16             0xf
 #define STM_SPI_CR2_TXEIE      7
 #define STM_SPI_CR2_RXNEIE     6
 #define STM_SPI_CR2_ERRIE      5
+#define STM_SPI_CR2_FRF                4
+# define STM_SPI_CR2_FRF_MOTOROLA      0
+# define STM_SPI_CR2_FRF_TI            1
+#define STM_SPI_CR2_NSSP       3
 #define STM_SPI_CR2_SSOE       2
 #define STM_SPI_CR2_TXDMAEN    1
 #define STM_SPI_CR2_RXDMAEN    0
 
+#define STM_SPI_SR_FTLVL       11
+#define STM_SPI_SR_FRLVL       9
+#define STM_SPI_SR_FRE         8
 #define STM_SPI_SR_BSY         7
 #define STM_SPI_SR_OVR         6
 #define STM_SPI_SR_MODF                5
 #define STM_SPI_SR_CRCERR      4
+#define STM_SPI_SR_UDR         3
+#define STM_SPI_SR_CHSIDE      2
 #define STM_SPI_SR_TXE         1
 #define STM_SPI_SR_RXNE                0