excalibur.h

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#define _UART_IID              0x0024
#define _UART_MC               0x0028
#define _UART_MCR              0x002c
#define _UART_MSR              0x0030
#define _UART_DIV_LO           0x0034
#define _UART_DIV_HI           0x0038

#define _UART_RSR_RX_LEVEL     0x0000001f

#define _UART_TSR_TXI          0x00000080

#define _UART_FCR_TC           0x00000001
#define _UART_FCR_RC           0x00000002
#define _UART_FCR_TX_THR_15    0x0000001c
#define _UART_FCR_RX_THR_1     0x00000000

#define _UART_INTS_RE          0x00000001
#define _UART_INTS_RI          _UART_INTS_RE
#define _UART_INTS_TE          0x00000002
#define _UART_INTS_TI          _UART_INTS_TE
#define _UART_INTS_TIE         0x00000004
#define _UART_INTS_TII         _UART_INTS_TIE
#define _UART_INTS_ME          0x00000008
#define _UART_INTS_MI          _UART_INTS_ME


#define _UART_MC_8BIT          0x00000003
#define _UART_MC_1STOP         0x00000000
#define _UART_MC_PARITY_NONE   0x00000000

//-----------------------------------------------------------------------------
// Clock controller
#define EXCALIBUR_CLK_BASE     (EXCALIBUR_BASE + 0x0300)
#define _CLK_PLL1_NCNT         0x0000
#define _CLK_PLL1_MCNT         0x0004
#define _CLK_PLL1_KCNT         0x0008
#define _CLK_PLL1_CTRL         0x000c
#define _CLK_PLL2_NCNT         0x0010
#define _CLK_PLL2_MCNT         0x0014
#define _CLK_PLL2_KCNT         0x0018
#define _CLK_PLL2_CTRL         0x001c
#define _CLK_DERIVE            0x0020
#define _CLK_STATUS            0x0024
#define _CLK_AHB1_COUNT        0x0028

#define _CLK_PLL1_CTRL_P    0x00000001
#define _CLK_PLL2_CTRL_P    0x00000001

#define _CLK_DERIVE_BP1     (1<<12)
#define _CLK_DERIVE_BP2     (1<<13)

#define _CLK_STATUS_L1       0x00000001
#define _CLK_STATUS_L2       0x00000002
#define _CLK_STATUS_C1       0x00000004
#define _CLK_STATUS_C2       0x00000008

// Settings from Altera example code. Note that this differs from the
// magic values described in the manual. I think the values are
// supposed to disable the PLLs, making the core run at 25MHz and
// peripherals at 12.5MHz
#define _CLK_PLL1_CTRL_INIT    0x00001064
#define _CLK_PLL2_CTRL_INIT    0x00001064
#define _CLK_DERIVE_INIT       0x00003010

//-----------------------------------------------------------------------------
// Expansion Bus Interface
#define EXCALIBUR_EBI_CR       (EXCALIBUR_BASE + 0x0380)

#define EXCALIBUR_EBI_CR_EO    0x00000008

#define EXCALIBUR_EBI_CR_INIT  (EXCALIBUR_EBI_CR_EO)

//-----------------------------------------------------------------------------
// SDRAM controller
#define EXCALIBUR_SDRAM_BASE   (EXCALIBUR_BASE + 0x0400)
#define _SDRAM_TIMING1         0x0000
#define _SDRAM_TIMING2         0x0004
#define _SDRAM_CONFIG          0x0008
#define _SDRAM_REFRESH         0x000c
#define _SDRAM_ADDR            0x0010
#define _SDRAM_INIT            0x001c
#define _SDRAM_MODE0           0x0020
#define _SDRAM_MODE1           0x0024
#define EXCALIBUR_SDRAM_WIDTH  (EXCALIBUR_BASE + 0x007c)


#define _SDRAM_WIDTH_W        0x00000002
#define _SDRAM_WIDTH_LK       0x00000001

#if 0
// Max delays
#define _SDRAM_TIMING1_INIT    0x00009124
// CAS-2, 8 words burst, 3 clock refresh
#define _SDRAM_TIMING2_INIT    0x00000788
// SDR
#define _SDRAM_CONFIG_INIT     0x00000000
// Refresh period of 15us - at a clock of 75MHz that's 1125 cycles
#define _SDRAM_REFRESH_INIT    1125
// Rows (12) & columns (10)
#define _SDRAM_ADDR_INIT       0x0000ca80
// SDRAM mode (from Micron MT48LC16M8A2 manual)
//  M0-2: burst length     = 3 (8 words)
//  M3  : burst type       = 0 (sequential vs interleaved)
//  M4-6: CAS latency      = 2
//  M7-8: operating mode   = 0
//  M9  : write burst mode = 0 (writes are also in burst)
#define _SDRAM_MODE0_INIT      ((2<<4)|3)
// Unused (for DDR)
#define _SDRAM_MODE1_INIT      0x00000000
#endif

#define _SDRAM_INIT_EN      0x00008000
#define _SDRAM_INIT_PR      0x00004000
#define _SDRAM_INIT_LM      0x00002000
#define _SDRAM_INIT_LEM     0x00001000
#define _SDRAM_INIT_RF      0x00000800
#define _SDRAM_INIT_BS      0x00000400
#define _SDRAM_INIT_SR      0x00000200

#if (CYGNUM_HAL_ARM_EXCALIBUR_SDRAM_CLOCK != 75000000)
# error "Hardwired for a 75MHz SDRAM clock"
#endif

//-----------------------------------------------------------------------------
// Watchdog controller
#define EXCALIBUR_WDOG_CR               (EXCALIBUR_BASE+0x0a00)
#define EXCALIBUR_WDOG_COUNT            (EXCALIBUR_BASE+0x0a04)
#define EXCALIBUR_WDOG_RELOAD           (EXCALIBUR_BASE+0x0a08)

//-----------------------------------------------------------------------------
// Interrupt controller
#define EXCALIBUR_INT_MASK_SET          (EXCALIBUR_BASE+0x0c00)
#define EXCALIBUR_INT_MASK_CLEAR        (EXCALIBUR_BASE+0x0c04)
#define EXCALIBUR_INT_SOURCE_STATUS     (EXCALIBUR_BASE+0x0c08)
#define EXCALIBUR_INT_REQUEST_STATUS    (EXCALIBUR_BASE+0x0c0c)
#define EXCALIBUR_INT_ID                (EXCALIBUR_BASE+0x0c10)
#define EXCALIBUR_INT_PLD_PRIORITY      (EXCALIBUR_BASE+0x0c14)
#define EXCALIBUR_INT_INT_MODE          (EXCALIBUR_BASE+0x0c18)
#define EXCALIBUR_INT_PRIORITY_0        (EXCALIBUR_BASE+0x0c80)
#define EXCALIBUR_INT_PRIORITY_1        (EXCALIBUR_BASE+0x0c84)
#define EXCALIBUR_INT_PRIORITY_2        (EXCALIBUR_BASE+0x0c88)
#define EXCALIBUR_INT_PRIORITY_3        (EXCALIBUR_BASE+0x0c8c)
#define EXCALIBUR_INT_PRIORITY_4        (EXCALIBUR_BASE+0x0c90)
#define EXCALIBUR_INT_PRIORITY_5        (EXCALIBUR_BASE+0x0c94)
#define EXCALIBUR_INT_PRIORITY_6        (EXCALIBUR_BASE+0x0c98)
#define EXCALIBUR_INT_PRIORITY_7        (EXCALIBUR_BASE+0x0c9c)
#define EXCALIBUR_INT_PRIORITY_8        (EXCALIBUR_BASE+0x0ca0)
#define EXCALIBUR_INT_PRIORITY_9        (EXCALIBUR_BASE+0x0ca4)
#define EXCALIBUR_INT_PRIORITY_10       (EXCALIBUR_BASE+0x0ca8)
#define EXCALIBUR_INT_PRIORITY_11       (EXCALIBUR_BASE+0x0cac)
#define EXCALIBUR_INT_PRIORITY_12       (EXCALIBUR_BASE+0x0cb0)
#define EXCALIBUR_INT_PRIORITY_13       (EXCALIBUR_BASE+0x0cb4)
#define EXCALIBUR_INT_PRIORITY_14       (EXCALIBUR_BASE+0x0cb8)
#define EXCALIBUR_INT_PRIORITY_15       (EXCALIBUR_BASE+0x0cbc)
#define EXCALIBUR_INT_PRIORITY_16       (EXCALIBUR_BASE+0x0cc0)

#define EXCALIBUR_INT_SOURCE_P0         0x00000001
#define EXCALIBUR_INT_SOURCE_P1         0x00000002
#define EXCALIBUR_INT_SOURCE_P2         0x00000004
#define EXCALIBUR_INT_SOURCE_P3         0x00000008
#define EXCALIBUR_INT_SOURCE_P4         0x00000010
#define EXCALIBUR_INT_SOURCE_P5         0x00000020
#define EXCALIBUR_INT_SOURCE_IP         0x00000040
#define EXCALIBUR_INT_SOURCE_UA         0x00000080
#define EXCALIBUR_INT_SOURCE_T0         0x00000100
#define EXCALIBUR_INT_SOURCE_T1         0x00000200
#define EXCALIBUR_INT_SOURCE_PS         0x00000400
#define EXCALIBUR_INT_SOURCE_EE         0x00000800
#define EXCALIBUR_INT_SOURCE_PE         0x00001000
#define EXCALIBUR_INT_SOURCE_AE         0x00002000
#define EXCALIBUR_INT_SOURCE_CT         0x00004000
#define EXCALIBUR_INT_SOURCE_CR         0x00008000
#define EXCALIBUR_INT_SOURCE_FC         0x00010000

#define EXCALIBUR_INT_PRIORITY_FIQ      0x00000040
#define EXCALIBUR_INT_PRIORITY_LVL_mask 0x0000003f

//-----------------------------------------------------------------------------
// PLD
#define EXCALIBUR_PLD_BASE     EXCALIBUR_PLD_PHYS_BASE

#define EXCALIBUR_PLD_LEDS     (EXCALIBUR_PLD_BASE + 0x0100)



#endif // CYGONCE_EXCALIBUR_H
//-----------------------------------------------------------------------------
// end of excalibur.h