diff options
Diffstat (limited to 'qemu/roms/u-boot/board/cpc45/cpc45.c')
| -rw-r--r-- | qemu/roms/u-boot/board/cpc45/cpc45.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/qemu/roms/u-boot/board/cpc45/cpc45.c b/qemu/roms/u-boot/board/cpc45/cpc45.c deleted file mode 100644 index f182e79fd..000000000 --- a/qemu/roms/u-boot/board/cpc45/cpc45.c +++ /dev/null @@ -1,250 +0,0 @@ -/* - * (C) Copyright 2001 - * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc824x.h> -#include <asm/processor.h> -#include <asm/io.h> -#include <pci.h> -#include <i2c.h> -#include <netdev.h> - -int sysControlDisplay(int digit, uchar ascii_code); -extern void Plx9030Init(void); -extern void SPD67290Init(void); - - /* We have to clear the initial data area here. Couldn't have done it - * earlier because DRAM had not been initialized. - */ -int board_early_init_f(void) -{ - - /* enable DUAL UART Mode on CPC45 */ - *(uchar*)DUART_DCR |= 0x1; /* set DCM bit */ - - return 0; -} - -int checkboard(void) -{ -/* - char revision = BOARD_REV; -*/ - ulong busfreq = get_bus_freq(0); - char buf[32]; - - puts ("CPC45 "); -/* - printf("Revision %d ", revision); -*/ - printf("Local Bus at %s MHz\n", strmhz(buf, busfreq)); - - return 0; -} - -phys_size_t initdram (int board_type) -{ - int m, row, col, bank, i, ref; - unsigned long start, end; - uint32_t mccr1, mccr2; - uint32_t mear1 = 0, emear1 = 0, msar1 = 0, emsar1 = 0; - uint32_t mear2 = 0, emear2 = 0, msar2 = 0, emsar2 = 0; - uint8_t mber = 0; - unsigned int tmp; - - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - - if (i2c_reg_read (0x50, 2) != 0x04) - return 0; /* Memory type */ - - m = i2c_reg_read (0x50, 5); /* # of physical banks */ - row = i2c_reg_read (0x50, 3); /* # of rows */ - col = i2c_reg_read (0x50, 4); /* # of columns */ - bank = i2c_reg_read (0x50, 17); /* # of logical banks */ - ref = i2c_reg_read (0x50, 12); /* refresh rate / type */ - - CONFIG_READ_WORD(MCCR1, mccr1); - mccr1 &= 0xffff0000; - - CONFIG_READ_WORD(MCCR2, mccr2); - mccr2 &= 0xffff0000; - - start = CONFIG_SYS_SDRAM_BASE; - end = start + (1 << (col + row + 3) ) * bank - 1; - - for (i = 0; i < m; i++) { - mccr1 |= ((row == 13)? 2 : (bank == 4)? 0 : 3) << i * 2; - if (i < 4) { - msar1 |= ((start >> 20) & 0xff) << i * 8; - emsar1 |= ((start >> 28) & 0xff) << i * 8; - mear1 |= ((end >> 20) & 0xff) << i * 8; - emear1 |= ((end >> 28) & 0xff) << i * 8; - } else { - msar2 |= ((start >> 20) & 0xff) << (i-4) * 8; - emsar2 |= ((start >> 28) & 0xff) << (i-4) * 8; - mear2 |= ((end >> 20) & 0xff) << (i-4) * 8; - emear2 |= ((end >> 28) & 0xff) << (i-4) * 8; - } - mber |= 1 << i; - start += (1 << (col + row + 3) ) * bank; - end += (1 << (col + row + 3) ) * bank; - } - for (; i < 8; i++) { - if (i < 4) { - msar1 |= 0xff << i * 8; - emsar1 |= 0x30 << i * 8; - mear1 |= 0xff << i * 8; - emear1 |= 0x30 << i * 8; - } else { - msar2 |= 0xff << (i-4) * 8; - emsar2 |= 0x30 << (i-4) * 8; - mear2 |= 0xff << (i-4) * 8; - emear2 |= 0x30 << (i-4) * 8; - } - } - - switch(ref) { - case 0x00: - case 0x80: - tmp = get_bus_freq(0) / 1000000 * 15625 / 1000 - 22; - break; - case 0x01: - case 0x81: - tmp = get_bus_freq(0) / 1000000 * 3900 / 1000 - 22; - break; - case 0x02: - case 0x82: - tmp = get_bus_freq(0) / 1000000 * 7800 / 1000 - 22; - break; - case 0x03: - case 0x83: - tmp = get_bus_freq(0) / 1000000 * 31300 / 1000 - 22; - break; - case 0x04: - case 0x84: - tmp = get_bus_freq(0) / 1000000 * 62500 / 1000 - 22; - break; - case 0x05: - case 0x85: - tmp = get_bus_freq(0) / 1000000 * 125000 / 1000 - 22; - break; - default: - tmp = 0x512; - break; - } - - CONFIG_WRITE_WORD(MCCR1, mccr1); - CONFIG_WRITE_WORD(MCCR2, tmp << MCCR2_REFINT_SHIFT); - CONFIG_WRITE_WORD(MSAR1, msar1); - CONFIG_WRITE_WORD(EMSAR1, emsar1); - CONFIG_WRITE_WORD(MEAR1, mear1); - CONFIG_WRITE_WORD(EMEAR1, emear1); - CONFIG_WRITE_WORD(MSAR2, msar2); - CONFIG_WRITE_WORD(EMSAR2, emsar2); - CONFIG_WRITE_WORD(MEAR2, mear2); - CONFIG_WRITE_WORD(EMEAR2, emear2); - CONFIG_WRITE_BYTE(MBER, mber); - - return (1 << (col + row + 3) ) * bank * m; -} - - -/* - * Initialize PCI Devices, report devices found. - */ - -static struct pci_config_table pci_cpc45_config_table[] = { -#ifndef CONFIG_PCI_PNP - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0F, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0D, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCI_PLX9030_IOADDR, - PCI_PLX9030_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0E, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCMCIA_IO_BASE, - PCMCIA_IO_BASE, - PCI_COMMAND_MEMORY | PCI_COMMAND_IO }}, -#endif /*CONFIG_PCI_PNP*/ - { } -}; - -struct pci_controller hose = { -#ifndef CONFIG_PCI_PNP - config_table: pci_cpc45_config_table, -#endif -}; - -void pci_init_board(void) -{ - pci_mpc824x_init(&hose); - - /* init PCI_to_LOCAL Bus BRIDGE */ - Plx9030Init(); - - /* Clear Display */ - DISP_CWORD = 0x0; - - sysControlDisplay(0,' '); - sysControlDisplay(1,'C'); - sysControlDisplay(2,'P'); - sysControlDisplay(3,'C'); - sysControlDisplay(4,' '); - sysControlDisplay(5,'4'); - sysControlDisplay(6,'5'); - sysControlDisplay(7,' '); - -} - -/************************************************************************** -* -* sysControlDisplay - controls one of the Alphanum. Display digits. -* -* This routine will write an ASCII character to the display digit requested. -* -* SEE ALSO: -* -* RETURNS: NA -*/ - -int sysControlDisplay (int digit, /* number of digit 0..7 */ - uchar ascii_code /* ASCII code */ - ) -{ - if ((digit < 0) || (digit > 7)) - return (-1); - - *((volatile uchar *) (DISP_CHR_RAM + digit)) = ascii_code; - - return (0); -} - -#if defined(CONFIG_CMD_PCMCIA) - -#ifdef CONFIG_SYS_PCMCIA_MEM_ADDR -volatile unsigned char *pcmcia_mem = (unsigned char*)CONFIG_SYS_PCMCIA_MEM_ADDR; -#endif - -int pcmcia_init(void) -{ - u_int rc; - - debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); - - rc = i82365_init(); - - return rc; -} - -#endif - -int board_eth_init(bd_t *bis) -{ - return pci_eth_init(bis); -} |