From b59c5de056058899e5ea891d2fd65824a7df7887 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Sat, 18 Oct 2014 10:21:14 +0200 Subject: Drop GX1, CS5330 and related boards There is no Cache As Ram for these boards, let's get rid of them. Change-Id: Ib41f8cd64fc9a440838aea86076d6514aacb301c Signed-off-by: Stefan Reinauer Reviewed-on: http://review.coreboot.org/7117 Reviewed-by: Marc Jones --- src/northbridge/amd/gx1/raminit.c | 354 -------------------------------------- 1 file changed, 354 deletions(-) delete mode 100644 src/northbridge/amd/gx1/raminit.c (limited to 'src/northbridge/amd/gx1/raminit.c') diff --git a/src/northbridge/amd/gx1/raminit.c b/src/northbridge/amd/gx1/raminit.c deleted file mode 100644 index aa07f49e81..0000000000 --- a/src/northbridge/amd/gx1/raminit.c +++ /dev/null @@ -1,354 +0,0 @@ -#include - -/* -This software and ancillary information (herein called SOFTWARE ) -called LinuxBIOS is made available under the terms described -here. The SOFTWARE has been approved for release with associated -LA-CC Number 00-34 . Unless otherwise indicated, this SOFTWARE has -been authored by an employee or employees of the University of -California, operator of the Los Alamos National Laboratory under -Contract No. W-7405-ENG-36 with the U.S. Department of Energy. The -U.S. Government has rights to use, reproduce, and distribute this -SOFTWARE. The public may copy, distribute, prepare derivative works -and publicly display this SOFTWARE without charge, provided that this -Notice and any statement of authorship are reproduced on all copies. -Neither the Government nor the University makes any warranty, express -or implied, or assumes any liability or responsibility for the use of -this SOFTWARE. If SOFTWARE is modified to produce derivative works, -such modified SOFTWARE should be clearly marked, so as not to confuse -it with the version available from LANL. - */ -/* Copyright 2000, Ron Minnich, Advanced Computing Lab, LANL - * rminnich@lanl.gov - */ - -/* SDRAM initialization for GX1 - translated from Christer Weinigel's - assembler version into C. - - Hamish Guthrie 10/4/2005 hamish@prodigi.ch -*/ - -#define NUM_REFRESH 8 -#define TEST_DATA1 0x05A5A5A5A -#define TEST_DATA2 0x0DEADBEEF - -void setGX1Mem(unsigned int addr, unsigned int data) -{ - write32(addr, data); -} - -unsigned int getGX1Mem(unsigned int addr) -{ - return (unsigned int)read32(addr); -} - -void do_refresh(void) -{ -unsigned int tval, i; - - post_code(0x71); - tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL1); - tval |= RFSHTST; - for(i=0; i>NUM_REFRESH; i++) - setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval); - post_code(0x72); -} - - -void enable_dimm(void) -{ -unsigned int tval, i; - - post_code(0x73); - - /* start SDCLCK's */ - tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL1); - tval &= ~SDCLKSTRT; - setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval); - tval |= SDCLKSTRT; - setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval); - - /* Unmask SDCLK's */ - tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL2); - tval &= ~(SDCLK_MASK | SDCLKOUT_MASK); - setGX1Mem(GX_BASE + MC_MEM_CNTRL2, tval); - tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL2); - - /* Wait for clocks to unmask */ - for(i=0; i<5000; i++) - outb(0, 0xed); - - /* Refresh memory */ - tval = getGX1Mem(GX_BASE + MC_MEM_CNTRL1); - tval |= RFSHTST; - for(i=0; iNUM_REFRESH; i++) - setGX1Mem(GX_BASE + MC_MEM_CNTRL1, tval); - - for(i=0; i<2000; i++) - outb(0, 0xed); - post_code(0x74); -} - -static unsigned int size_dimm(int dimm_shift) -{ -int bank_cfg = 0x700; /* MC_BANK_CFG for 512M */ -unsigned int offset = 0x10000000; /* Offset 256M */ -int failed_flag = 1; - - do { - setGX1Mem(0, TEST_DATA1); - setGX1Mem(offset, TEST_DATA2); - setGX1Mem(0x100, 0); /* Clear the bus */ - if (getGX1Mem(0) != TEST_DATA1) { - setGX1Mem(GX_BASE + MC_BANK_CFG, - getGX1Mem(GX_BASE + MC_BANK_CFG) & ~(DIMM_SZ << dimm_shift)); - bank_cfg -= 0x100; - setGX1Mem(GX_BASE + MC_BANK_CFG, - getGX1Mem(GX_BASE + MC_BANK_CFG) | (bank_cfg << dimm_shift)); - do_refresh(); - offset >>= 1; - } else { - failed_flag = 0; - break; - } - } while (bank_cfg >= 0); - - if (failed_flag) - return (0x0070 << dimm_shift); - else - return(getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_SZ << dimm_shift)); - -} - -static unsigned int module_banks(int dimm_shift) -{ -int page_size = 0x800; /* Smallest page = 1K * 2 banks */ -int comp_banks; - -#if 0 - print_debug("MC_BANK_CFG = "); - print_debug_hex32(getGX1Mem(GX_BASE + MC_BANK_CFG)); - print_debug("\n"); -#endif - - /* retrieve the page size from the MC register */ - page_size <<= (((getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_PG_SZ << dimm_shift)) >> dimm_shift) >> 4); - -#if 0 - print_debug(" page_size = "); - print_debug_hex32(page_size); - print_debug("\n"); -#endif - - comp_banks = (((getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_COMP_BNK << dimm_shift)) >> dimm_shift) >> 12); - page_size <<= comp_banks; - - setGX1Mem(0, TEST_DATA1); - setGX1Mem(page_size, TEST_DATA2); - setGX1Mem(0x100, 0); /* Clear the bus */ - if (getGX1Mem(page_size) != TEST_DATA2) { - setGX1Mem(GX_BASE + MC_BANK_CFG, - getGX1Mem(GX_BASE + MC_BANK_CFG) & ~(DIMM_MOD_BNK << dimm_shift)); - do_refresh(); - } -#if 0 - print_debug("MC_BANK_CFG = "); - print_debug_hex32(getGX1Mem(GX_BASE + MC_BANK_CFG)); - print_debug("\n"); -#endif - return(getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_MOD_BNK << dimm_shift)); -} - -static unsigned int component_banks(int dimm_shift) -{ -int page_size = 0x800; /* Smallest page = 1K * 2 banks */ - -#if 0 - print_debug("MC_BANK_CFG = "); - print_debug_hex32(getGX1Mem(GX_BASE + MC_BANK_CFG)); - print_debug("\n"); -#endif - - page_size = page_size << (((getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_PG_SZ << dimm_shift)) >> dimm_shift) >> 4); - -#if 0 - print_debug(" page_size = "); - print_debug_hex32(page_size); - print_debug("\n"); -#endif - - setGX1Mem(0, TEST_DATA1); - setGX1Mem(page_size, TEST_DATA2); - setGX1Mem(0x100, 0); /* Clear the bus */ - if (getGX1Mem(0) != TEST_DATA1) { - setGX1Mem(GX_BASE + MC_BANK_CFG, - getGX1Mem(GX_BASE + MC_BANK_CFG) & ~(DIMM_COMP_BNK << dimm_shift)); - do_refresh(); - } -#if 0 - print_debug("MC_BANK_CFG = "); - print_debug_hex32(getGX1Mem(GX_BASE + MC_BANK_CFG)); - print_debug("\n"); -#endif - return(getGX1Mem(GX_BASE + MC_BANK_CFG) & (DIMM_COMP_BNK << dimm_shift)); -} - -static unsigned int page_size(int dimm_shift) -{ -unsigned int page_test_offset = 0x2000; -unsigned int temp; -int page_size_config = 0x40; -unsigned int probe_config; - - do { - setGX1Mem(0, TEST_DATA1); - setGX1Mem(page_test_offset, TEST_DATA2); - setGX1Mem(0x100, 0); - temp = getGX1Mem(0); - setGX1Mem(0, 0); - if(temp == TEST_DATA1) { -#if 0 - print_debug(" Page size Config = "); - print_debug_hex32(page_size_config << dimm_shift); - print_debug("\n"); -#endif - return(page_size_config << dimm_shift); - } - - temp = ~(DIMM_PG_SZ << dimm_shift); - - probe_config = getGX1Mem(GX_BASE + MC_BANK_CFG); - probe_config &= temp; - - page_size_config -= 0x10; - page_size_config <<= dimm_shift; - - probe_config |= page_size_config; - - page_size_config >>= dimm_shift; - - page_test_offset >>= 1; - - setGX1Mem(GX_BASE + MC_BANK_CFG, probe_config); - do_refresh(); - } while (page_size_config >= 0); - - return 0x70; -} - -static int dimm_detect(int dimm_shift) -{ -unsigned int test; - - print_debug("Probing for DIMM"); - print_debug_char((dimm_shift >> 4) + 0x30); - print_debug("\n"); - - setGX1Mem(0, TEST_DATA1); - setGX1Mem(0x100, 0); - test = getGX1Mem(0); - setGX1Mem(0, 0); - - if (test != TEST_DATA1) - return 0; - - print_debug(" Found DIMM"); - print_debug_char((dimm_shift >> 4) + 0x30); - print_debug("\n"); - - return 1; -} - -static int size_memory(int dimm_shift, unsigned int mem_config) -{ - - if (!dimm_detect(dimm_shift)) - return (mem_config); - - mem_config &= (~(DIMM_PG_SZ << dimm_shift)); - mem_config |= (page_size(dimm_shift)); - - print_debug(" Page Size: "); - print_debug_hex32(0x400 << ((mem_config & (DIMM_PG_SZ << dimm_shift)) >> (dimm_shift + 4))); - print_debug("\n"); - - /* Now do component banks detection */ - - mem_config &= (~(DIMM_COMP_BNK << dimm_shift)); - mem_config |= (component_banks(dimm_shift)); - - print_debug(" Component Banks: "); - print_debug_char((((mem_config & (DIMM_COMP_BNK << dimm_shift)) >> (dimm_shift + 12)) ? 4 : 2) + 0x30); - print_debug("\n"); - - /* Now do module banks */ - - mem_config &= (~(DIMM_MOD_BNK << dimm_shift)); - mem_config |= (module_banks(dimm_shift)); - - print_debug(" Module Banks: "); - print_debug_char((((mem_config & (DIMM_MOD_BNK << dimm_shift)) >> (dimm_shift + 14)) ? 2 : 1) + 0x30); - print_debug("\n"); - - mem_config &= (~(DIMM_SZ << dimm_shift)); - mem_config |= (size_dimm(dimm_shift)); - - print_debug(" DIMM size: "); - print_debug_hex32(1 << - ((mem_config & (DIMM_SZ << dimm_shift)) >> (dimm_shift + 8)) + 22); - print_debug("\n"); - - return (mem_config); -} - -static void sdram_init(void) -{ -unsigned int mem_config = 0x00700070; - - print_debug("Setting up default parameters for memory\n"); - post_code(0x70); - - setGX1Mem(GX_BASE + MC_MEM_CNTRL2, 0x000007d8); /* Disable all CLKS, Shift = 3 */ - setGX1Mem(GX_BASE + MC_MEM_CNTRL1, 0x92140000); /* MD_DS=2, MA_DS=2, CNTL_DS=2 SDCLKRATE=4 */ - setGX1Mem(GX_BASE + MC_BANK_CFG, 0x00700070); /* No DIMMS installed */ - setGX1Mem(GX_BASE + MC_SYNC_TIM1, 0x3a733225); /* LTMODE=3, RC=10, RAS=7, RP=3, RCD=3, RRD=2, DPL=2 */ - setGX1Mem(GX_BASE + MC_BANK_CFG, 0x57405740); /* Largest DIMM size - 0x4000 -- 2 module banks - 0x1000 -- 4 component banks - 0x0700 -- DIMM size 512MB - 0x0040 -- Page Size 16kB */ - - enable_dimm(); - - print_debug("Sizing memory\n"); - - setGX1Mem(GX_BASE + MC_BANK_CFG, 0x00705740); - do_refresh(); - mem_config = size_memory(0, mem_config); - setGX1Mem(GX_BASE + MC_BANK_CFG, 0x57400070); - do_refresh(); - mem_config = size_memory(16, mem_config); - - print_debug("MC_BANK_CFG = "); - print_debug_hex32(mem_config); - print_debug("\n"); - - setGX1Mem(GX_BASE + MC_BANK_CFG, mem_config); - enable_dimm(); - post_code(0x7e); -} -- cgit v1.2.3