summaryrefslogtreecommitdiffstats
path: root/arch/i386/include/asm/ic/sc520.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386/include/asm/ic/sc520.h')
-rw-r--r--arch/i386/include/asm/ic/sc520.h347
1 files changed, 347 insertions, 0 deletions
diff --git a/arch/i386/include/asm/ic/sc520.h b/arch/i386/include/asm/ic/sc520.h
new file mode 100644
index 0000000000..57c9904422
--- /dev/null
+++ b/arch/i386/include/asm/ic/sc520.h
@@ -0,0 +1,347 @@
+/*
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ASM_IC_SC520_H_
+#define _ASM_IC_SC520_H_ 1
+
+#ifndef __ASSEMBLY__
+
+void init_sc520(void);
+unsigned long init_sc520_dram(void);
+
+/* Memory mapped configuration registers */
+typedef struct sc520_mmcr {
+ u16 revid; /* ElanSC520 microcontroller revision id */
+ u8 cpuctl; /* am5x86 CPU control */
+
+ u8 pad_0x003[0x0d];
+
+ u8 drcctl; /* SDRAM control */
+ u8 pad_0x011[0x01];
+ u8 drctmctl; /* SDRAM timing control */
+ u8 pad_0x013[0x01];
+ u16 drccfg; /* SDRAM bank configuration*/
+ u8 pad_0x016[0x02];
+ u32 drcbendadr; /* SDRAM bank 0-3 ending address*/
+ u8 pad_0x01c[0x04];
+ u8 eccctl; /* ECC control */
+ u8 eccsta; /* ECC status */
+ u8 eccckbpos; /* ECC check bit position */
+ u8 ecccktest; /* ECC Check Code Test */
+ u32 eccsbadd; /* ECC single-bit error address */
+ u32 eccmbadd; /* ECC multi-bit error address */
+
+ u8 pad_0x02c[0x14];
+
+ u8 dbctl; /* SDRAM buffer control */
+
+ u8 pad_0x041[0x0f];
+
+ u16 bootcsctl; /* /BOOTCS control */
+ u8 pad_0x052[0x02];
+ u16 romcs1ctl; /* /ROMCS1 control */
+ u16 romcs2ctl; /* /ROMCS2 control */
+
+ u8 pad_0x058[0x08];
+
+ u16 hbctl; /* host bridge control */
+ u16 hbtgtirqctl; /* host bridge target interrupt control */
+ u16 hbtgtirqsta; /* host bridge target interrupt status */
+ u16 hbmstirqctl; /* host bridge target interrupt control */
+ u16 hbmstirqsta; /* host bridge master interrupt status */
+ u8 pad_0x06a[0x02];
+ u32 mstintadd; /* host bridge master interrupt address */
+
+ u8 sysarbctl; /* system arbiter control */
+ u8 pciarbsta; /* PCI bus arbiter status */
+ u16 sysarbmenb; /* system arbiter master enable */
+ u32 arbprictl; /* arbiter priority control */
+
+ u8 pad_0x078[0x08];
+
+ u8 adddecctl; /* address decode control */
+ u8 pad_0x081[0x01];
+ u16 wpvsta; /* write-protect violation status */
+ u8 pad_0x084[0x04];
+ u32 par[16]; /* programmable address regions */
+
+ u8 pad_0x0c8[0x0b38];
+
+ u8 gpecho; /* GP echo mode */
+ u8 gpcsdw; /* GP chip select data width */
+ u16 gpcsqual; /* GP chip select qualification */
+ u8 pad_0xc04[0x4];
+ u8 gpcsrt; /* GP chip select recovery time */
+ u8 gpcspw; /* GP chip select pulse width */
+ u8 gpcsoff; /* GP chip select offset */
+ u8 gprdw; /* GP read pulse width */
+ u8 gprdoff; /* GP read offset */
+ u8 gpwrw; /* GP write pulse width */
+ u8 gpwroff; /* GP write offset */
+ u8 gpalew; /* GP ale pulse width */
+ u8 gpaleoff; /* GP ale offset */
+
+ u8 pad_0xc11[0x0f];
+
+ u16 piopfs15_0; /* PIO15-PIO0 pin function select */
+ u16 piopfs31_16; /* PIO31-PIO16 pin function select */
+ u8 cspfs; /* chip select pin function select */
+ u8 pad_0xc25[0x01];
+ u8 clksel; /* clock select */
+ u8 pad_0xc27[0x01];
+ u16 dsctl; /* drive strength control */
+ u16 piodir15_0; /* PIO15-PIO0 direction */
+ u16 piodir31_16; /* PIO31-PIO16 direction */
+ u8 pad_0xc2e[0x02];
+ u16 piodata15_0 ; /* PIO15-PIO0 data */
+ u16 piodata31_16; /* PIO31-PIO16 data */
+ u16 pioset15_0; /* PIO15-PIO0 set */
+ u16 pioset31_16; /* PIO31-PIO16 set */
+ u16 pioclr15_0; /* PIO15-PIO0 clear */
+ u16 pioclr31_16; /* PIO31-PIO16 clear */
+
+ u8 pad_0xc3c[0x24];
+
+ u16 swtmrmilli; /* software timer millisecond count */
+ u16 swtmrmicro; /* software timer microsecond count */
+ u8 swtmrcfg; /* software timer configuration */
+
+ u8 pad_0xc65[0x0b];
+
+ u8 gptmrsta; /* GP timers status register */
+ u8 pad_0xc71;
+ u16 gptmr0ctl; /* GP timer 0 mode/control */
+ u16 gptmr0cnt; /* GP timer 0 count */
+ u16 gptmr0maxcmpa; /* GP timer 0 maxcount compare A */
+ u16 gptmr0maxcmpb; /* GP timer 0 maxcount compare B */
+ u16 gptmr1ctl; /* GP timer 1 mode/control */
+ u16 gptmr1cnt; /* GP timer 1 count */
+ u16 gptmr1maxcmpa; /* GP timer 1 maxcount compare A */
+ u16 gptmr1maxcmpb; /* GP timer 1 maxcount compare B*/
+ u16 gptmr2ctl; /* GP timer 2 mode/control */
+ u16 gptmr2cnt; /* GP timer 2 count */
+ u8 pad_0xc86[0x08];
+ u16 gptmr2maxcmpa; /* GP timer 2 maxcount compare A */
+
+ u8 pad_0xc90[0x20];
+
+ u16 wdtmrctl; /* watchdog timer control */
+ u16 wdtmrcntl; /* watchdog timer count low */
+ u16 wdtmrcnth; /* watchdog timer count high */
+
+ u8 pad_0xcb6[0x0a];
+
+ u8 uart1ctl; /* UART 1 general control */
+ u8 uart1sta; /* UART 1 general status */
+ u8 uart1fcrshad; /* UART 1 FIFO control shadow */
+ u8 pad_0xcc3[0x01];
+ u8 uart2ctl; /* UART 2 general control */
+ u8 uart2sta; /* UART 2 general status */
+ u8 uart2fcrshad; /* UART 2 FIFO control shadow */
+
+ u8 pad_0xcc7[0x09];
+
+ u8 ssictl; /* SSI control */
+ u8 ssixmit; /* SSI transmit */
+ u8 ssicmd; /* SSI command */
+ u8 ssista; /* SSI status */
+ u8 ssircv; /* SSI receive */
+
+ u8 pad_0xcd5[0x2b];
+
+ u8 picicr; /* interrupt control */
+ u8 pad_0xd01[0x01];
+ u8 pic_mode[3]; /* PIC interrupt mode */
+ u8 pad_0xd05[0x03];
+ u16 swint16_1; /* software interrupt 16-1 control */
+ u8 swint22_17; /* software interrupt 22-17/NMI control */
+ u8 pad_0xd0b[0x05];
+ u16 intpinpol; /* interrupt pin polarity */
+ u8 pad_0xd12[0x02];
+ u16 pcihostmap; /* PCI host bridge interrupt mapping */
+ u8 pad_0xd16[0x02];
+ u16 eccmap; /* ECC interrupt mapping */
+ u8 gp_tmr_int_map[3]; /* GP timer interrupt mapping */
+ u8 pad_0xd1d[0x03];
+ u8 pit_int_map[3]; /* PIT interrupt mapping */
+ u8 pad_0xd23[0x05];
+ u8 uart_int_map[2]; /* UART interrupt mapping */
+ u8 pad_0xd2a[0x06];
+ u8 pci_int_map[4]; /* PCI interrupt mapping (A through D)*/
+ u8 pad_0xd34[0x0c];
+ u8 dmabcintmap; /* DMA buffer chaining interrupt mapping */
+ u8 ssimap; /* SSI interrupt mapping register */
+ u8 wdtmap; /* watchdog timer interrupt mapping */
+ u8 rtcmap; /* RTC interrupt mapping register */
+ u8 wpvmap; /* write-protect interrupt mapping */
+ u8 icemap; /* AMDebug JTAG Rx/Tx interrupt mapping */
+ u8 ferrmap; /* floating point error interrupt mapping */
+ u8 pad_0xd47[0x09];
+ u8 gp_int_map[11]; /* GP IRQ interrupt mapping */
+
+ u8 pad_0xd5b[0x15];
+
+ u8 sysinfo; /* system board information */
+ u8 pad_0xd71[0x01];
+ u8 rescfg; /* reset configuration */
+ u8 pad_0xd73[0x01];
+ u8 ressta; /* reset status */
+
+ u8 pad_0xd75[0x0b];
+
+ u8 gpdmactl; /* GP-DMA Control */
+ u8 gpdmammio; /* GP-DMA memory-mapped I/O */
+ u16 gpdmaextchmapa; /* GP-DMA resource channel map a */
+ u16 gpdmaextchmapb; /* GP-DMA resource channel map b */
+ u8 gp_dma_ext_pg_0; /* GP-DMA channel extended page 0 */
+ u8 gp_dma_ext_pg_1; /* GP-DMA channel extended page 0 */
+ u8 gp_dma_ext_pg_2; /* GP-DMA channel extended page 0 */
+ u8 gp_dma_ext_pg_3; /* GP-DMA channel extended page 0 */
+ u8 gp_dma_ext_pg_5; /* GP-DMA channel extended page 0 */
+ u8 gp_dma_ext_pg_6; /* GP-DMA channel extended page 0 */
+ u8 gp_dma_ext_pg_7; /* GP-DMA channel extended page 0 */
+ u8 pad_0xd8d[0x03];
+ u8 gpdmaexttc3; /* GP-DMA channel 3 extender transfer count */
+ u8 gpdmaexttc5; /* GP-DMA channel 5 extender transfer count */
+ u8 gpdmaexttc6; /* GP-DMA channel 6 extender transfer count */
+ u8 gpdmaexttc7; /* GP-DMA channel 7 extender transfer count */
+ u8 pad_0xd94[0x4];
+ u8 gpdmabcctl; /* buffer chaining control */
+ u8 gpdmabcsta; /* buffer chaining status */
+ u8 gpdmabsintenb; /* buffer chaining interrupt enable */
+ u8 gpdmabcval; /* buffer chaining valid */
+ u8 pad_0xd9c[0x04];
+ u16 gpdmanxtaddl3; /* GP-DMA channel 3 next address low */
+ u16 gpdmanxtaddh3; /* GP-DMA channel 3 next address high */
+ u16 gpdmanxtaddl5; /* GP-DMA channel 5 next address low */
+ u16 gpdmanxtaddh5; /* GP-DMA channel 5 next address high */
+ u16 gpdmanxtaddl6; /* GP-DMA channel 6 next address low */
+ u16 gpdmanxtaddh6; /* GP-DMA channel 6 next address high */
+ u16 gpdmanxtaddl7; /* GP-DMA channel 7 next address low */
+ u16 gpdmanxtaddh7; /* GP-DMA channel 7 next address high */
+ u16 gpdmanxttcl3; /* GP-DMA channel 3 next transfer count low */
+ u16 gpdmanxttch3; /* GP-DMA channel 3 next transfer count high */
+ u16 gpdmanxttcl5; /* GP-DMA channel 5 next transfer count low */
+ u16 gpdmanxttch5; /* GP-DMA channel 5 next transfer count high */
+ u16 gpdmanxttcl6; /* GP-DMA channel 6 next transfer count low */
+ u16 gpdmanxttch6; /* GP-DMA channel 6 next transfer count high */
+ u16 gpdmanxttcl7; /* GP-DMA channel 7 next transfer count low */
+ u16 gpdmanxttch7; /* GP-DMA channel 7 next transfer count high */
+
+ u8 pad_0xdc0[0x0240];
+} sc520_mmcr_t;
+
+extern volatile sc520_mmcr_t *sc520_mmcr;
+
+#endif
+
+/* MMCR Offsets (required for assembler code */
+#define SC520_DBCTL 0x0040 /* SDRAM Buffer Control Register */
+#define SC520_PAR14 0x00c0 /* Programmable Address Region 14 Register */
+#define SC520_PAR15 0x00c4 /* Programmable Address Region 15 Register */
+#define SC520_SWTMRMILLI 0x0c60 /* Software Timer Millisecond Count */
+#define SC520_SWTMRMICRO 0x0c62 /* Software Timer Microsecond Count */
+
+/* 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_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 */
+
+/* bus mapping constants (used for PCI core initialization) */ /* bus mapping constants */
+#define SC520_REG_ADDR 0x00000cf8
+#define SC520_REG_DATA 0x00000cfc
+
+#define SC520_ISA_MEM_PHYS 0x00000000
+#define SC520_ISA_MEM_BUS 0x00000000
+#define SC520_ISA_MEM_SIZE 0x01000000
+
+#define SC520_ISA_IO_PHYS 0x00000000
+#define SC520_ISA_IO_BUS 0x00000000
+#define SC520_ISA_IO_SIZE 0x00001000
+
+/* 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 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 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 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
+
+#endif
OpenPOWER on IntegriCloud