From: wdenk Date: Mon, 26 Nov 2001 14:32:07 +0000 (+0000) Subject: Remove dead code (PCI_Config_VGA_Device()) X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=44afb06ff9ff0d9e80ad85d7c83aa6feeb4524d4;p=users%2Frw%2Fppcboot.git Remove dead code (PCI_Config_VGA_Device()) --- diff --git a/board/eltec/bab750/mpc106_pci.c b/board/eltec/bab750/mpc106_pci.c index 5086381..2b47c85 100644 --- a/board/eltec/bab750/mpc106_pci.c +++ b/board/eltec/bab750/mpc106_pci.c @@ -405,143 +405,6 @@ void PCI_Config_Device(int BusDevFunc, int NumBaseAddr) pcicmd | PCI_CMD_MEMEN | PCI_CMD_IOEN, 2); } -/* - * Subroutine: PCI_Config_VGA_Device - * - * Description: Configure a PCI VGA device by examining its I/O and memory - * address space needs and allocating address space to it by - * programming the address decoders in the Base Address Registers. - * - * Inputs: BusDevFunc Bus+Device+Function number - * NumBaseAddr Number of base address registers to - * configure - * - * Return: None - * - */ -void PCI_Config_VGA_Device(int BusDevFunc, int NumBaseAddr) -{ - int AddrSlot, i; - unsigned long AddrDesc, AddrProg, Min_Gnt_Val; - - unsigned long pcicmd; - pcicmd = PCI_Read_CFG_Reg(BusDevFunc, PCI_CFG_COMMAND, 2); - PCI_Write_CFG_Reg (BusDevFunc, PCI_CFG_COMMAND, - pcicmd & ~(PCI_CMD_MEMEN|PCI_CMD_IOEN), 2); - - for (AddrSlot = 0; AddrSlot < NumBaseAddr; AddrSlot++) { - /* - * Write virtual address into register to check LSB. - * LSB == 1 => IO space, else memory space. - */ - PCI_Write_CFG_Reg (BusDevFunc, - PCI_CFG_BASE_ADDRESS_0 + (4*AddrSlot), - 0xFFFFFFFF, 4); - - AddrDesc = PCI_Read_CFG_Reg (BusDevFunc, - PCI_CFG_BASE_ADDRESS_0 + (4*AddrSlot), - 4); - - if (AddrDesc == 0) /* unimplemented, stop looking */ - continue; /* 01/04/99 MCG */ - -#ifdef DEBUG - printf("Read Base Addr Reg %d = 0x%08lx\n",AddrSlot,AddrDesc); -#endif - - if ((AddrDesc & 1) == 1) { /* I/O space */ - AddrDesc &= 0xFFFFFFFC; - - for (i = 0; (AddrDesc & 1) != 1; i++) - AddrDesc = AddrDesc >> 1; - - AddrDesc = 1 << i; -#ifdef DEBUG - printf(" PCI I/O space = 0x%lx bytes \n",AddrDesc); -#endif - for (AddrProg = CFG_PCI_PCI_IOADDR; - AddrProg < LowestIOAddr; - AddrProg += AddrDesc) { - ; /* empty */ - } - - PCI_Write_CFG_Reg (BusDevFunc, - PCI_CFG_BASE_ADDRESS_0 + (4*AddrSlot), - AddrProg, 4); - LowestIOAddr = AddrProg + AddrDesc; - } - else { /* memory space */ - AddrDesc &= 0xFFFFFFF0; - - for (i = 0; (AddrDesc & 1) != 1; i++) - AddrDesc = AddrDesc >> 1; - - AddrDesc = 1 << i; - - if ((unsigned long)AddrDesc < 4096) - AddrDesc = 4096; -#ifdef DEBUG - printf(" PCI Memory space = 0x%lx bytes \n",AddrDesc); -#endif - for (AddrProg = CFG_MIN_PCI_MEMADDR2; - AddrProg < LowestMemAddr2; - AddrProg += AddrDesc) { - ; /* empty */ - } - - PCI_Write_CFG_Reg (BusDevFunc, - PCI_CFG_BASE_ADDRESS_0 + (4*AddrSlot), - AddrProg, 4); - LowestMemAddr2 = AddrProg + AddrDesc; - } - } - - /* - * Assign expansion ROM address - */ - PCI_Write_CFG_Reg(BusDevFunc, PCI_CFG_EXPANSION_ROM, 0xFFFFFFFE, 4); - - AddrDesc = PCI_Read_CFG_Reg(BusDevFunc, PCI_CFG_EXPANSION_ROM, 4); - - if (AddrDesc != 0) { -#ifdef DEBUG - printf("Read Expansion ROM Addr Reg = 0x%08lx\n" , AddrDesc); -#endif - for (i = 0; (AddrDesc & 1) != 1; i++) - AddrDesc = AddrDesc >> 1; - - AddrDesc = 1 << i; -#ifdef DEBUG - printf(" PCI Expansion ROM space = 0x%lx bytes\n", AddrDesc); -#endif - for (AddrProg = CFG_MIN_PCI_MEMADDR2; - AddrProg < LowestMemAddr2; - AddrProg += AddrDesc) { - ; /* empty */ - } - PCI_Write_CFG_Reg(BusDevFunc, PCI_CFG_EXPANSION_ROM, AddrProg, 4); -#ifdef DEBUG - printf(" PCI Expansion ROM addr = 0x%lx\n", AddrProg); -#endif - LowestMemAddr2 = AddrProg + AddrDesc; - } - - Min_Gnt_Val = 0x80; - PCI_Write_CFG_Reg(BusDevFunc, PCI_CFG_LATENCY_TIMER, Min_Gnt_Val, 1); - - /* - * Disable interrupt line, if device says it wants to use interrupts - */ - if (PCI_Read_CFG_Reg(BusDevFunc, PCI_CFG_DEV_INT_PIN, 1) != 0) - PCI_Write_CFG_Reg(BusDevFunc, PCI_CFG_DEV_INT_LINE, 0xFF, 1); - - /* - * Enable i/o space, memory space and master on this device - */ - PCI_Write_CFG_Reg (BusDevFunc, PCI_CFG_COMMAND, - pcicmd | PCI_CMD_MEMEN | PCI_CMD_IOEN, 2); -} - /* * Subroutine: PCI_Config_Bridge *