diff options
Diffstat (limited to 'include/asm-i386/ic/sc520.h')
| -rw-r--r-- | include/asm-i386/ic/sc520.h | 79 |
1 files changed, 74 insertions, 5 deletions
diff --git a/include/asm-i386/ic/sc520.h b/include/asm-i386/ic/sc520.h index 9708504e3..1836f99a6 100644 --- a/include/asm-i386/ic/sc520.h +++ b/include/asm-i386/ic/sc520.h @@ -116,6 +116,11 @@ #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 */ @@ -195,9 +200,31 @@ /* 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 */ @@ -215,25 +242,64 @@ #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); @@ -242,8 +308,11 @@ u8 read_mmcr_byte(u16 mmcr); 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 |