Prepare bcm63xx for SPI master support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13547 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h
index 29b61fd..5e3cd91 100644 (file)
--- a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h
+++ b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_cpu.h
@@ -81,6 +81,7 @@ enum bcm63xx_regs_set {
 #define RSET_ENET_SIZE                 2048
 #define RSET_ENETDMA_SIZE              2048
 #define RSET_UART_SIZE                 24
+#define RSET_SPI_SIZE                  2048
 #define RSET_UDC_SIZE                  256
 #define RSET_OHCI_SIZE                 256
 #define RSET_EHCI_SIZE                 256
@@ -249,6 +250,7 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
 enum bcm63xx_irq {
        IRQ_TIMER = 0,
        IRQ_UART0,
+       IRQ_SPI,
        IRQ_DSL,
        IRQ_ENET0,
        IRQ_ENET1,
@@ -268,6 +270,7 @@ enum bcm63xx_irq {
  * 6348 irqs
  */
 #define BCM_6348_TIMER_IRQ             (IRQ_INTERNAL_BASE + 0)
+#define BCM_6348_SPI_IRQ               (IRQ_INTERNAL_BASE + 1)
 #define BCM_6348_UART0_IRQ             (IRQ_INTERNAL_BASE + 2)
 #define BCM_6348_DSL_IRQ               (IRQ_INTERNAL_BASE + 4)
 #define BCM_6348_ENET1_IRQ             (IRQ_INTERNAL_BASE + 7)
@@ -285,6 +288,7 @@ enum bcm63xx_irq {
  * 6358 irqs
  */
 #define BCM_6358_TIMER_IRQ             (IRQ_INTERNAL_BASE + 0)
+#define BCM_6358_SPI_IRQ               (IRQ_INTERNAL_BASE + 1)
 #define BCM_6358_UART0_IRQ             (IRQ_INTERNAL_BASE + 2)
 #define BCM_6358_OHCI0_IRQ             (IRQ_INTERNAL_BASE + 5)
 #define BCM_6358_ENET1_IRQ             (IRQ_INTERNAL_BASE + 6)

diff --git a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_regs.h b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_regs.h
index b5562b1..d628601 100644 (file)
--- a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_regs.h
+++ b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_regs.h
@@ -724,5 +724,69 @@
 #define DMIPSPLLCFG_N2_SHIFT           29
 #define DMIPSPLLCFG_N2_MASK            (0x7 << DMIPSPLLCFG_N2_SHIFT)
 
-#endif /* BCM63XX_REGS_H_ */
+/*************************************************************************
+ * _REG relative to RSET_SPI
+ *************************************************************************/
 
+#define SPI_MSG_CTL                    0x00
+#define SPI_FD_RW                      0
+#define SPI_HD_W                       1
+#define SPI_HD_R                       2
+#define SPI_MSG_TYPE_SHIFT             14
+#define SPI_BYTE_CNT_SHIFT             0
+
+#define SPI_MSG_DATA                   0x02
+#define SPI_MSG_DATA_SIZE              0x21e
+
+#define SPI_RX_FIFO                    0x400
+#define SPI_RX_FIFO_SIZE               0x220
+
+#define SPI_CMD                                0x700
+#define SPI_CMD_NOOP                   0
+#define SPI_CMD_SOFT_RESET             1
+#define SPI_CMD_HARD_RESET             2
+#define SPI_CMD_START_IMMEDIATE                3
+#define SPI_CMD_COMMAND_SHIFT          0
+#define SPI_CMD_COMMAND_MASK           0x000f
+#define SPI_CMD_DEVICE_ID_SHIFT                4
+#define SPI_CMD_PREPEND_BYTE_CNT_SHIFT 8
+#define SPI_CMD_ONE_BYTE_SHIFT         11
+#define SPI_CMD_ONE_WIRE_SHIFT         12
+#define SPI_DEV_ID_0                   0
+#define SPI_DEV_ID_1                   1
+#define SPI_DEV_ID_2                   2
+#define SPI_DEV_ID_3                   3
+
+#define SPI_INT_STATUS                 0x702
+#define SPI_MASK_INT_STATUS            0x703
+
+#define SPI_INT_MASK                   0x704
+#define SPI_INTR_CMD_DONE              0x01
+#define SPI_INTR_RX_OVERFLOW           0x02
+#define SPI_INTR_INTR_TX_UNDERFLOW     0x04
+#define SPI_INTR_TX_OVERFLOW           0x08
+#define SPI_INTR_RX_UNDERFLOW          0x10
+#define SPI_INTR_CLEAR_ALL             0x1f
+
+#define SPI_STATUS                     0x705
+#define SPI_RX_EMPTY                   0x02
+#define SPI_CMD_BUSY                   0x04
+#define SPI_SERIAL_BUSY                        0x08
+
+#define SPI_CLK_CFG                    0x706
+#define SPI_CLK_0_391MHZ               1
+#define SPI_CLK_0_781MHZ               2 /* default */
+#define SPI_CLK_1_563MHZ               3
+#define SPI_CLK_3_125MHZ               4
+#define SPI_CLK_6_250MHZ               5
+#define SPI_CLK_12_50MHZ               6
+#define SPI_CLK_MASK                   0x07
+#define SPI_SSOFFTIME_MASK             0x38
+#define SPI_SSOFFTIME_SHIFT            3
+#define SPI_BYTE_SWAP                  0x80
+
+#define SPI_FILL_BYTE                  0x707
+#define SPI_MSG_TAIL                   0x709
+#define SPI_RX_TAIL                    0x70B
+
+#endif /* BCM63XX_REGS_H_ */