#define SC520_UART2CTL 0x0cc4 /* UART 2 General Control Register */
#define SC520_UART2STA 0x0cc5 /* UART 2 General Status Register */
#define SC520_UART2FCRSHAD 0x0cc6 /* UART 2 FIFO Control Shadow Register */
+#define SC520_SSICTL 0x0cd0 /* SSI Control */
+#define SC520_SSIXMIT 0x0cd1 /* SSI Transmit */
+#define SC520_SSICMD 0x0cd2 /* SSI Command */
+#define SC520_SSISTA 0x0cd3 /* SSI Status */
+#define SC520_SSIRCV 0x0cd4 /* SSI Receive */
#define SC520_PICICR 0x0d00 /* Interrupt Control Register */
#define SC520_MPICMODE 0x0d02 /* Master PIC Interrupt Mode Register */
#define SC520_SL1PICMODE 0x0d03 /* Slave 1 PIC Interrupt Mode Register */
/* MMCR Register bits (not all of them :) ) */
+/* SSI Stuff */
+#define CTL_CLK_SEL_4 0x00 /* Nominal Bit Rate = 8 MHz */
+#define CTL_CLK_SEL_8 0x10 /* Nominal Bit Rate = 4 MHz */
+#define CTL_CLK_SEL_16 0x20 /* Nominal Bit Rate = 2 MHz */
+#define CTL_CLK_SEL_32 0x30 /* Nominal Bit Rate = 1 MHz */
+#define CTL_CLK_SEL_64 0x40 /* Nominal Bit Rate = 512 KHz */
+#define CTL_CLK_SEL_128 0x50 /* Nominal Bit Rate = 256 KHz */
+#define CTL_CLK_SEL_256 0x60 /* Nominal Bit Rate = 128 KHz */
+#define CTL_CLK_SEL_512 0x70 /* Nominal Bit Rate = 64 KHz */
+
+#define TC_INT_ENB 0x08 /* Transaction Complete Interrupt Enable */
+#define PHS_INV_ENB 0x04 /* SSI Inverted Phase Mode Enable */
+#define CLK_INV_ENB 0x02 /* SSI Inverted Clock Mode Enable */
+#define MSBF_ENB 0x01 /* SSI Most Significant Bit First Mode Enable */
+
+#define SSICMD_CMD_SEL_XMITRCV 0x03 /* Simultaneous Transmit / Receive Transaction */
+#define SSICMD_CMD_SEL_RCV 0x02 /* Receive Transaction */
+#define SSICMD_CMD_SEL_XMIT 0x01 /* Transmit Transaction */
+#define SSISTA_BSY 0x02 /* SSI Busy */
+#define SSISTA_TC_INT 0x01 /* SSI Transaction Complete Interrupt */
+
+
/* BITS for SC520_ADDDECCTL: */
#define WPV_INT_ENB 0x80 /* Write-Protect Violation Interrupt Enable */
-#define IO_HOLE_DEST 0x10 /* I/O Hole Access Destination */
+#define IO_HOLE_DEST_PCI 0x10 /* I/O Hole Access Destination */
#define RTC_DIS 0x04 /* RTC Disable */
#define UART2_DIS 0x02 /* UART2 Disable */
#define UART1_DIS 0x01 /* UART1 Disable */
#define SC520_ISA_IO_BUS 0x00000000
#define SC520_ISA_IO_SIZE 0x00001000
-/* PCI I/O space from 0x1000 to 0xfdff */
+/* PCI I/O space from 0x1000 to 0xdfff
+ * (make 0xe000-0xfdff available for stuff like PCCard boot) */
#define SC520_PCI_IO_PHYS 0x00001000
#define SC520_PCI_IO_BUS 0x00001000
-#define SC520_PCI_IO_SIZE 0x0000ee00
+#define SC520_PCI_IO_SIZE 0x0000d000
/* system memory from 0x00000000 to 0x0fffffff */
#define SC520_PCI_MEMORY_PHYS 0x00000000
#define SC520_PCI_MEMORY_BUS 0x00000000
#define SC520_PCI_MEMORY_SIZE 0x10000000
-/* PCI bus memory from 0x10000000 to 0x27ffffff */
+/* PCI bus memory from 0x10000000 to 0x26ffffff
+ * (make 0x27000000 - 0x27ffffff available for stuff like PCCard boot) */
#define SC520_PCI_MEM_PHYS 0x10000000
#define SC520_PCI_MEM_BUS 0x10000000
-#define SC520_PCI_MEM_SIZE 0x18000000
+#define SC520_PCI_MEM_SIZE 0x17000000
/* 0x28000000 - 0x3fffffff is used by the flash banks */
/* 0x40000000 - 0xffffffff is not adressable by the SC520 */
+/* priority numbers used for interrupt channel mappings */
+#define SC520_IRQ_DISABLED 0
+#define SC520_IRQ0 1
+#define SC520_IRQ1 2
+#define SC520_IRQ2 4 /* same as IRQ9 */
+#define SC520_IRQ3 11
+#define SC520_IRQ4 12
+#define SC520_IRQ5 13
+#define SC520_IRQ6 21
+#define SC520_IRQ7 22
+#define SC520_IRQ8 3
+#define SC520_IRQ9 4
+#define SC520_IRQ10 5
+#define SC520_IRQ11 6
+#define SC520_IRQ12 7
+#define SC520_IRQ13 8
+#define SC520_IRQ14 9
+#define SC520_IRQ15 10
+
+
+/* pin number used for PCI interrupt mappings */
+#define SC520_PCI_INTA 0
+#define SC520_PCI_INTB 1
+#define SC520_PCI_INTC 2
+#define SC520_PCI_INTD 3
+#define SC520_PCI_GPIRQ0 4
+#define SC520_PCI_GPIRQ1 5
+#define SC520_PCI_GPIRQ2 6
+#define SC520_PCI_GPIRQ3 7
+#define SC520_PCI_GPIRQ4 8
+#define SC520_PCI_GPIRQ5 9
+#define SC520_PCI_GPIRQ6 10
+#define SC520_PCI_GPIRQ7 11
+#define SC520_PCI_GPIRQ8 12
+#define SC520_PCI_GPIRQ9 13
+#define SC520_PCI_GPIRQ10 14
+
/* utility functions */
void write_mmcr_byte(u16 mmcr, u8 data);
void write_mmcr_word(u16 mmcr, u16 data);
u16 read_mmcr_word(u16 mmcr);
u32 read_mmcr_long(u16 mmcr);
+extern int sc520_pci_ints[];
+
void init_sc520(void);
unsigned long init_sc520_dram(void);
void pci_sc520_init(struct pci_controller *hose);
+int pci_sc520_set_irq(int pci_pin, int irq);
#endif
projects / u-boot / blobdiff