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/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* defines for Cogent Motherboards
*/
#ifndef _COGENT_MB_H
#define _COGENT_MB_H
/*
* Cogent Motherboard Address Map
*
* The size of a Cogent motherboard address space is 256 Mbytes (i.e. 28 bits).
*
* The first 32 Mbyte (0x0000000-0x1FFFFFF) is usually RAM. The following
* 3 x 32 Mbyte areas (0x2000000-0x3FFFFFF, 0x4000000-0x5FFFFFF and
* 0x6000000-0x7FFFFFF) are general I/O "slots" (slots 1, 2 and 3).
* Most other motherboard devices have registers mapped into the area
* 0xE000000-0xFFFFFFF (Motherboard I/O slot?). The area 0x8000000-0xDFFFFFF
* is free for whatever.
*
* The location of the motherboard address space in the physical address space
* of the cpu is given by CMA_MB_BASE. This value is determined by the cpu
* module plugged into the motherboard and is configured above.
*
* Motherboard I/O devices mapped into the area (0xE000000-0xFFFFFFF)
* generally only use byte lane 0 (D0-7) for their transfers, i.e. only
* 8 bit, or 1 byte, transfers can take place, so all the registers are
* only 8 bits wide. The exceptions are the motherboard flash, which uses
* byte lanes 0 and 1 (i.e. 16 bits), and the mapped PCI address space.
*
* I/O registers within the mapped motherboard devices are 64 bit aligned
* i.e. they are 8 bytes apart. For big endian addressing, the 8 bit register
* will be at byte 7 (the address + 7). For little endian addressing, the
* register will be at byte 0 (the address + 0). To learn the endianess
* we must include <endian.h>
*
* Take the CMA102 and CMA111 motherboards as examples...
*
* The CMA102 has three CMABus I/O Expansion slots and no PCI bridge. The 3
* CMABus slots are each mapped directly onto the three general I/O slots.
*
* The CMA111 has only one CMABus I/O Expansion slot, but has a V360EPC PCI
* bridge. The CMABus slot is mapped onto general I/O slot 1. The standard
* PCI Bus space is mapped onto general I/O slot 2, with a small area at the
* top reserved for access to the V360EPC registers (0x5FF0000-0x5FFFFFF).
* I/O slot 3 is unused. The extended PCI Bus space is mapped onto the area
* 0xA000000-0xDFFFFFF.
*/
#define CMA_MB_RAM_BASE (CONFIG_SYS_CMA_MB_BASE+0x0000000)
#define CMA_MB_RAM_SIZE 0x2000000 /* dip sws set actual size */
#if (CMA_MB_CAPS & CMA_MB_CAP_SLOT1)
#define CMA_MB_SLOT1_BASE (CONFIG_SYS_CMA_MB_BASE+0x2000000)
#define CMA_MB_SLOT1_SIZE 0x2000000
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_SLOT2)
#define CMA_MB_SLOT2_BASE (CONFIG_SYS_CMA_MB_BASE+0x4000000)
#define CMA_MB_SLOT2_SIZE 0x2000000
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_PCI)
#define CMA_MB_STDPCI_BASE (CONFIG_SYS_CMA_MB_BASE+0x4000000)
#define CMA_MB_STDPCI_SIZE 0x1ff0000
#define CMA_MB_V360EPC_BASE (CONFIG_SYS_CMA_MB_BASE+0x5ff0000)
#define CMA_MB_V360EPC_SIZE 0x10000
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_SLOT3)
#define CMA_MB_SLOT3_BASE (CONFIG_SYS_CMA_MB_BASE+0x6000000)
#define CMA_MB_SLOT3_SIZE 0x2000000
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_PCI_EXT)
#define CMA_MB_EXTPCI_BASE (CONFIG_SYS_CMA_MB_BASE+0xa000000)
#define CMA_MB_EXTPCI_SIZE 0x4000000
#endif
#define CMA_MB_ROMLOW_BASE (CONFIG_SYS_CMA_MB_BASE+0xe000000)
#define CMA_MB_ROMLOW_SIZE 0x800000
#if (CMA_MB_CAPS & CMA_MB_CAP_FLASH)
#define CMA_MB_FLLOW_EXEC_BASE (CONFIG_SYS_CMA_MB_BASE+0xe000000)
#define CMA_MB_FLLOW_EXEC_SIZE 0x100000
#define CMA_MB_FLLOW_RDWR_BASE (CONFIG_SYS_CMA_MB_BASE+0xe400000)
#define CMA_MB_FLLOW_RDWR_SIZE 0x400000
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_RTC)
#define CMA_MB_RTC_BASE (CONFIG_SYS_CMA_MB_BASE+0xe800000)
#define CMA_MB_RTC_SIZE 0x4000
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_SERPAR)
#define CMA_MB_SERPAR_BASE (CONFIG_SYS_CMA_MB_BASE+0xe900000)
#define CMA_MB_SERIALB_BASE (CMA_MB_SERPAR_BASE+0x00)
#define CMA_MB_SERIALA_BASE (CMA_MB_SERPAR_BASE+0x40)
#define CMA_MB_PARALLEL_BASE (CMA_MB_SERPAR_BASE+0x80)
#define CMA_MB_SERPAR_SIZE 0xa0
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_KBM)
#define CMA_MB_PKBM_BASE (CONFIG_SYS_CMA_MB_BASE+0xe900100)
#define CMA_MB_PKBM_SIZE 0x10
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_LCD)
#define CMA_MB_LCD_BASE (CONFIG_SYS_CMA_MB_BASE+0xeb00000)
#define CMA_MB_LCD_SIZE 0x10
#endif
#define CMA_MB_DIPSW_BASE (CONFIG_SYS_CMA_MB_BASE+0xec00000)
#define CMA_MB_DIPSW_SIZE 0x10
#if (CMA_MB_CAPS & (CMA_MB_CAP_SLOT1|CMA_MB_CAP_SER2|CMA_MB_CAP_KBM))
#define CMA_MB_SLOT1CFG_BASE (CONFIG_SYS_CMA_MB_BASE+0xf100000)
#if (CMA_MB_CAPS & CMA_MB_CAP_SER2)
#define CMA_MB_SER2_BASE (CMA_MB_SLOT1CFG_BASE+0x80)
#define CMA_MB_SER2B_BASE (CMA_MB_SER2_BASE+0x00)
#define CMA_MB_SER2A_BASE (CMA_MB_SER2_BASE+0x40)
#endif
#if defined(CONFIG_CMA302) && defined(CONFIG_CMA302_SLOT1)
#define CMA_MB_S1KBM_BASE (CMA_MB_SLOT1CFG_BASE+0x200)
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_KBM) && !defined(COGENT_CMA150)
#define CMA_MB_IREQ1STAT_BASE (CMA_MB_SLOT1CFG_BASE+0x100)
#define CMA_MB_AKBM_BASE (CMA_MB_SLOT1CFG_BASE+0x200)
#define CMA_MB_IREQ1MASK_BASE (CMA_MB_SLOT1CFG_BASE+0x300)
#endif
#define CMA_MB_SLOT1CFG_SIZE 0x400
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_SLOT2)
#define CMA_MB_SLOT2CFG_BASE (CONFIG_SYS_CMA_MB_BASE+0xf200000)
#if defined(CONFIG_CMA302) && defined(CONFIG_CMA302_SLOT2)
#define CMA_MB_S2KBM_BASE (CMA_MB_SLOT2CFG_BASE+0x200)
#endif
#define CMA_MB_SLOT2CFG_SIZE 0x400
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_PCI)
#define CMA_MB_PCICTL_BASE (CONFIG_SYS_CMA_MB_BASE+0xf200000)
#define CMA_MB_PCI_V3CTL_BASE (CMA_MB_PCICTL_BASE+0x100)
#define CMA_MB_PCI_IDSEL_BASE (CMA_MB_PCICTL_BASE+0x200)
#define CMA_MB_PCI_IMASK_BASE (CMA_MB_PCICTL_BASE+0x300)
#define CMA_MB_PCI_ISTAT_BASE (CMA_MB_PCICTL_BASE+0x400)
#define CMA_MB_PCI_MBID_BASE (CMA_MB_PCICTL_BASE+0x500)
#define CMA_MB_PCI_MBREV_BASE (CMA_MB_PCICTL_BASE+0x600)
#define CMA_MB_PCICTL_SIZE 0x700
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_SLOT3)
#define CMA_MB_SLOT3CFG_BASE (CONFIG_SYS_CMA_MB_BASE+0xf300000)
#if defined(CONFIG_CMA302) && defined(CONFIG_CMA302_SLOT3)
#define CMA_MB_S3KBM_BASE (CMA_MB_SLOT3CFG_BASE+0x200)
#endif
#define CMA_MB_SLOT3CFG_SIZE 0x400
#endif
#define CMA_MB_ROMHIGH_BASE (CONFIG_SYS_CMA_MB_BASE+0xf800000)
#define CMA_MB_ROMHIGH_SIZE 0x800000
#if (CMA_MB_CAPS & CMA_MB_CAP_FLASH)
#define CMA_MB_FLHIGH_EXEC_BASE (CONFIG_SYS_CMA_MB_BASE+0xf800000)
#define CMA_MB_FLHIGH_EXEC_SIZE 0x100000
#define CMA_MB_FLHIGH_RDWR_BASE (CONFIG_SYS_CMA_MB_BASE+0xfc00000)
#define CMA_MB_FLHIGH_RDWR_SIZE 0x400000
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_PCI)
/* PCI Control Register bits */
/* V360EPC Control register bits */
#define CMA_MB_PCI_V3CTL_RESET 0x01
#define CMA_MB_PCI_V3CTL_EXTADD 0x08
/* PCI ID Select register bits */
#define CMA_MB_PCI_IDSEL_SLOTA 0x01
#define CMA_MB_PCI_IDSEL_SLOTB 0x02
#define CMA_MB_PCI_IDSEL_GD82559 0x04
#define CMA_MB_PCI_IDSEL_B69000 0x08
#define CMA_MB_PCI_IDSEL_PD6832 0x10
/* PCI Interrupt Mask/Status register bits */
#define CMA_MB_PCI_IMS_INTA 0x01
#define CMA_MB_PCI_IMS_INTB 0x02
#define CMA_MB_PCI_IMS_INTC 0x04
#define CMA_MB_PCI_IMS_INTD 0x08
#define CMA_MB_PCI_IMS_CBINT 0x10
#define CMA_MB_PCI_IMS_V3LINT 0x80
#endif
#if (CMA_MB_CAPS & (CMA_MB_CAP_KBM|CMA_MB_CAP_SER2)) && !defined(COGENT_CMA150)
/*
* IREQ1 Interrupt Mask/Status register bits
* (Note: not available on CMA150 - must poll HT6542B interrupt register)
*/
#define IREQ1_MINT 0x01
#define IREQ1_KINT 0x02
#if (CMA_MB_CAPS & CMA_MB_CAP_SER2)
#define IREQ1_SINT2 0x04
#define IREQ1_SINT3 0x08
#endif
#endif
#ifndef __ASSEMBLY__
#ifdef USE_HOSTCC
#include <endian.h> /* avoid using private kernel header files */
#else
#include <asm/byteorder.h> /* use U-Boot provided headers */
#endif
/* a single CMA10x motherboard i/o register */
typedef
struct {
#if __BYTE_ORDER == __LITTLE_ENDIAN
unsigned char value;
#endif
unsigned char filler[7];
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned char value;
#endif
}
cma_mb_reg;
extern __inline__ unsigned char
cma_mb_reg_read(volatile cma_mb_reg *reg)
{
unsigned char data = reg->value;
__asm__ __volatile__ ("eieio" : : : "memory");
return data;
}
extern __inline__ void
cma_mb_reg_write(volatile cma_mb_reg *reg, unsigned char data)
{
reg->value = data;
__asm__ __volatile__ ("eieio" : : : "memory");
}
#if (CMA_MB_CAPS & CMA_MB_CAP_RTC)
/* MK48T02 RTC registers */
typedef
struct {
cma_mb_reg sram[2040];/* Battery-Backed SRAM */
cma_mb_reg clk_ctl; /* Clock Control Register */
cma_mb_reg clk_sec; /* Clock Seconds Register */
cma_mb_reg clk_min; /* Clock Minutes Register */
cma_mb_reg clk_hour; /* Clock Hour Register */
cma_mb_reg clk_day; /* Clock Day Register */
cma_mb_reg clk_date; /* Clock Date Register */
cma_mb_reg clk_month; /* Clock Month Register */
cma_mb_reg clk_year; /* Clock Year Register */
}
cma_mb_rtc;
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_SERPAR)
/* ST16C522 Serial I/O */
typedef
struct {
cma_mb_reg ser_rhr; /* Receive Holding Register (R, DLAB=0) */
cma_mb_reg ser_ier; /* Interrupt Enable Register (R/W, DLAB=0) */
cma_mb_reg ser_isr; /* Interrupt Status Register (R) */
cma_mb_reg ser_lcr; /* Line Control Register (R/W) */
cma_mb_reg ser_mcr; /* Modem Control Register (R/W) */
cma_mb_reg ser_lsr; /* Line Status Register (R) */
cma_mb_reg ser_msr; /* Modem Status Register (R/W) */
cma_mb_reg ser_spr; /* Scratch Pad Register (R/W) */
}
cma_mb_serial;
#define ser_thr ser_rhr /* Transmit Holding Register (W, DLAB=0) */
#define ser_brl ser_rhr /* Baud Rate Divisor Low Byte (R/W, DLAB=1) */
#define ser_brh ser_ier /* Baud Rate Divisor High Byte (R/W, DLAB=1) */
#define ser_fcr ser_isr /* FIFO Control Register (W) */
#define ser_nop ser_lsr /* No Operation (W) */
/* ST16C522 Parallel I/O */
typedef
struct {
cma_mb_reg par_rdr; /* Port Read Data Register (R) */
cma_mb_reg par_sr; /* Status Register (R) */
cma_mb_reg par_cmd; /* Command Register (R) */
}
cma_mb_parallel;
#define par_wdr par_rdr /* Port Write Data Register (W) */
#define par_ios par_sr /* I/O Select Register (W) */
#define par_ctl par_cmd /* Control Register (W) */
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_KBM) || defined(CONFIG_CMA302)
/* HT6542B PS/2 Keyboard/Mouse Controller */
typedef
struct {
cma_mb_reg kbm_rdr; /* Read Data Register (R) */
cma_mb_reg kbm_sr; /* Status Register (R) */
}
cma_mb_kbm;
#define kbm_wdr kbm_rdr /* Write Data Register (W) */
#define kbm_cmd kbm_sr /* Command Register (W) */
#endif
#if (CMA_MB_CAPS & CMA_MB_CAP_LCD)
/* HD44780 LCD Display */
typedef
struct {
cma_mb_reg lcd_ccr; /* Current Character Register (R/W) */
cma_mb_reg lcd_bsr; /* Busy Status Register (R) */
}
cma_mb_lcd;
#define lcd_cmd lcd_bsr /* Command Register (W) */
#endif
/* 8-Position Configuration Switch */
typedef
struct {
cma_mb_reg dip_val; /* Dip Switch value (R) */
}
cma_mb_dipsw;
#if (CMA_MB_CAPS & CMA_MB_CAP_PCI)
/* V360EPC PCI Bridge */
typedef
struct {
#if __BYTE_ORDER == __LITTLE_ENDIAN
unsigned short v3_pci_vendor; /* 0x00 */
unsigned short v3_pci_device;
unsigned short v3_pci_cmd; /* 0x04 */
unsigned short v3_pci_stat;
unsigned long v3_pci_cc_rev; /* 0x08 */
unsigned long v3_pci_hdr_cfg; /* 0x0c */
unsigned long v3_pci_io_base; /* 0x10 */
unsigned long v3_pci_base0; /* 0x14 */
unsigned long v3_pci_base1; /* 0x18 */
unsigned long reserved1[4]; /* 0x1c */
unsigned short v3_pci_sub_vendor; /* 0x2c */
unsigned short v3_pci_sub_id;
unsigned long v3_pci_rom; /* 0x30 */
unsigned long reserved2[2]; /* 0x34 */
unsigned long v3_pci_bparam; /* 0x3c */
unsigned long v3_pci_map0; /* 0x40 */
unsigned long v3_pci_map1; /* 0x44 */
unsigned long v3_pci_int_stat; /* 0x48 */
unsigned long v3_pci_int_cfg; /* 0x4c */
unsigned long reserved3[1]; /* 0x50 */
unsigned long v3_lb_base0; /* 0x54 */
unsigned long v3_lb_base1; /* 0x58 */
unsigned short reserved4; /* 0x5c */
unsigned short v3_lb_map0;
unsigned short reserved5; /* 0x60 */
unsigned short v3_lb_map1;
unsigned short v3_lb_base2; /* 0x64 */
unsigned short v3_lb_map2;
unsigned long v3_lb_size; /* 0x68 */
unsigned short reserved6; /* 0x6c */
unsigned short v3_lb_io_base;
unsigned short v3_fifo_cfg; /* 0x70 */
unsigned short v3_fifo_priority;
unsigned short v3_fifo_stat; /* 0x74 */
unsigned char v3_lb_istat;
unsigned char v3_lb_imask;
unsigned short v3_system; /* 0x78 */
unsigned short v3_lb_cfg;
unsigned short v3_pci_cfg; /* 0x7c */
unsigned short reserved7;
unsigned long v3_dma_pci_addr0; /* 0x80 */
unsigned long v3_dma_local_addr0; /* 0x84 */
unsigned long v3_dma_length0:24; /* 0x88 */
unsigned long v3_dma_csr0:8;
unsigned long v3_dma_ctlb_adr0; /* 0x8c */
unsigned long v3_dma_pci_addr1; /* 0x90 */
unsigned long v3_dma_local_addr1; /* 0x94 */
unsigned long v3_dma_length1:24; /* 0x98 */
unsigned long v3_dma_csr1:8;
unsigned long v3_dma_ctlb_adr1; /* 0x9c */
unsigned long v3_i20_mups[8]; /* 0xa0 */
unsigned char v3_mail_data0; /* 0xc0 */
unsigned char v3_mail_data1;
unsigned char v3_mail_data2;
unsigned char v3_mail_data3;
unsigned char v3_mail_data4; /* 0xc4 */
unsigned char v3_mail_data5;
unsigned char v3_mail_data6;
unsigned char v3_mail_data7;
unsigned char v3_mail_data8; /* 0xc8 */
unsigned char v3_mail_data9;
unsigned char v3_mail_data10;
unsigned char v3_mail_data11;
unsigned char v3_mail_data12; /* 0xcc */
unsigned char v3_mail_data13;
unsigned char v3_mail_data14;
unsigned char v3_mail_data15;
unsigned short v3_pci_mail_iewr; /* 0xd0 */
unsigned short v3_pci_mail_ierd;
unsigned short v3_lb_mail_iewr; /* 0xd4 */
unsigned short v3_lb_mail_ierd;
unsigned short v3_mail_wr_stat; /* 0xd8 */
unsigned short v3_mail_rd_stat;
unsigned long v3_qba_map; /* 0xdc */
unsigned long v3_dma_delay:8; /* 0xe0 */
unsigned long reserved8:24;
unsigned long reserved9[7]; /* 0xe4 */
#endif
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned short v3_pci_device; /* 0x00 */
unsigned short v3_pci_vendor;
unsigned short v3_pci_stat; /* 0x04 */
unsigned short v3_pci_cmd;
unsigned long v3_pci_cc_rev; /* 0x08 */
unsigned long v3_pci_hdr_cfg; /* 0x0c */
unsigned long v3_pci_io_base; /* 0x10 */
unsigned long v3_pci_base0; /* 0x14 */
unsigned long v3_pci_base1; /* 0x18 */
unsigned long reserved1[4]; /* 0x1c */
unsigned short v3_pci_sub_id; /* 0x2c */
unsigned short v3_pci_sub_vendor;
unsigned long v3_pci_rom; /* 0x30 */
unsigned long reserved2[2]; /* 0x34 */
unsigned long v3_pci_bparam; /* 0x3c */
unsigned long v3_pci_map0; /* 0x40 */
unsigned long v3_pci_map1; /* 0x44 */
unsigned long v3_pci_int_stat; /* 0x48 */
unsigned long v3_pci_int_cfg; /* 0x4c */
unsigned long reserved3; /* 0x50 */
unsigned long v3_lb_base0; /* 0x54 */
unsigned long v3_lb_base1; /* 0x58 */
unsigned short v3_lb_map0; /* 0x5c */
unsigned short reserved4;
unsigned short v3_lb_map1; /* 0x60 */
unsigned short reserved5;
unsigned short v3_lb_map2; /* 0x64 */
unsigned short v3_lb_base2;
unsigned long v3_lb_size; /* 0x68 */
unsigned short v3_lb_io_base; /* 0x6c */
unsigned short reserved6;
unsigned short v3_fifo_priority; /* 0x70 */
unsigned short v3_fifo_cfg;
unsigned char v3_lb_imask; /* 0x74 */
unsigned char v3_lb_istat;
unsigned short v3_fifo_stat;
unsigned short v3_lb_cfg; /* 0x78 */
unsigned short v3_system;
unsigned short reserved7; /* 0x7c */
unsigned short v3_pci_cfg;
unsigned long v3_dma_pci_addr0; /* 0x80 */
unsigned long v3_dma_local_addr0; /* 0x84 */
unsigned long v3_dma_csr0:8; /* 0x88 */
unsigned long v3_dma_length0:24;
unsigned long v3_dma_ctlb_adr0; /* 0x8c */
unsigned long v3_dma_pci_addr1; /* 0x90 */
unsigned long v3_dma_local_addr1; /* 0x94 */
unsigned long v3_dma_csr1:8; /* 0x98 */
unsigned long v3_dma_length1:24;
unsigned long v3_dma_ctlb_adr1; /* 0x9c */
unsigned long v3_i20_mups[8]; /* 0xa0 */
unsigned char v3_mail_data3; /* 0xc0 */
unsigned char v3_mail_data2;
unsigned char v3_mail_data1;
unsigned char v3_mail_data0;
unsigned char v3_mail_data7; /* 0xc4 */
unsigned char v3_mail_data6;
unsigned char v3_mail_data5;
unsigned char v3_mail_data4;
unsigned char v3_mail_data11; /* 0xc8 */
unsigned char v3_mail_data10;
unsigned char v3_mail_data9;
unsigned char v3_mail_data8;
unsigned char v3_mail_data15; /* 0xcc */
unsigned char v3_mail_data14;
unsigned char v3_mail_data13;
unsigned char v3_mail_data12;
unsigned short v3_pci_mail_ierd; /* 0xd0 */
unsigned short v3_pci_mail_iewr;
unsigned short v3_lb_mail_ierd; /* 0xd4 */
unsigned short v3_lb_mail_iewr;
unsigned short v3_mail_rd_stat; /* 0xd8 */
unsigned short v3_mail_wr_stat;
unsigned long v3_qba_map; /* 0xdc */
unsigned long reserved8:24; /* 0xe0 */
unsigned long v3_dma_delay:8;
unsigned long reserved9[7]; /* 0xe4 */
#endif
} /* 0x100 */
cma_mb_v360epc;
#endif
#endif /* __ASSEMBLY__ */
#endif /* _COGENT_MB_H */
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