From 56231056ea784f1cec6450f649b1adaed1f56366 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 6 Sep 2007 16:27:37 +0000 Subject: strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX__ becomes CONFIG_TARGET_, same for profiles. SVN-Revision: 8653 --- .../adm5120-2.6/files/arch/mips/adm5120/memory.c | 179 --------------------- 1 file changed, 179 deletions(-) delete mode 100644 target/linux/adm5120-2.6/files/arch/mips/adm5120/memory.c (limited to 'target/linux/adm5120-2.6/files/arch/mips/adm5120/memory.c') diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/memory.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/memory.c deleted file mode 100644 index 1bde6b02d5..0000000000 --- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/memory.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * $Id$ - * - * Copyright (C) 2007 OpenWrt.org - * Copyright (C) 2007 Gabor Juhos - * - * 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., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#include -#include -#include - -#include -#include - -#include -#include -#include -#include - -#define SWITCH_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r)) -#define SWITCH_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v) - -#define MPMC_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r)) -#define MPMC_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v) - -#if 1 -# define mem_dbg(f, a...) printk("mem_detect: " f, ## a) -#else -# define mem_dbg(f, a...) -#endif - -#define MEM_WR_DELAY 10000 /* 0.01 usec */ - -unsigned long adm5120_memsize; - -static int __init mem_check_pattern(u8 *addr, unsigned long offs) -{ - volatile u32 *p1 = (volatile u32 *)addr; - volatile u32 *p2 = (volatile u32 *)(addr+offs); - u32 t,u,v; - - /* save original value */ - t = *p1; - u = *p2; - - if (t != u) - return 0; - - v = 0x55555555; - if (u == v) - v = 0xAAAAAAAA; - - mem_dbg("write 0x%08X to 0x%08lX\n", v, (unsigned long)p1); - - *p1 = v; - mem_dbg("delay %d ns\n", MEM_WR_DELAY); - adm5120_ndelay(MEM_WR_DELAY); - u = *p2; - - mem_dbg("pattern at 0x%08lX is 0x%08X\n", (unsigned long)p2, u); - - /* restore original value */ - *p1 = t; - - return (v == u); -} - -static void __init adm5120_detect_memsize(void) -{ - u32 memctrl; - u32 size, maxsize; - u8 *p; - - memctrl = SWITCH_READ(SWITCH_REG_MEMCTRL); - switch (memctrl & MEMCTRL_SDRS_MASK) { - case MEMCTRL_SDRS_4M: - maxsize = 4 << 20; - break; - case MEMCTRL_SDRS_8M: - maxsize = 8 << 20; - break; - case MEMCTRL_SDRS_16M: - maxsize = 16 << 20; - break; - default: - maxsize = 64 << 20; - break; - } - - /* disable buffers for both SDRAM banks */ - mem_dbg("disable buffers for both banks\n"); - MPMC_WRITE(MPMC_REG_DC0, MPMC_READ(MPMC_REG_DC0) & ~DC_BE); - MPMC_WRITE(MPMC_REG_DC1, MPMC_READ(MPMC_REG_DC1) & ~DC_BE); - - mem_dbg("checking for %uMB chip in 1st bank\n", maxsize >> 20); - - /* detect size of the 1st SDRAM bank */ - p = (u8 *)KSEG1ADDR(0); - for (size = 2<<20; size <= (maxsize >> 1); size <<= 1) { - if (mem_check_pattern(p, size)) { - /* mirrored address */ - mem_dbg("mirrored data found at offset 0x%08X\n", size); - break; - } - } - - mem_dbg("chip size in 1st bank is %uMB\n", size >> 20); - adm5120_memsize = size; - - if (size != maxsize) - /* 2nd bank is not supported */ - goto out; - - if ((memctrl & MEMCTRL_SDR1_ENABLE) == 0) - /* 2nd bank is disabled */ - goto out; - - /* - * some bootloaders enable 2nd bank, even if the 2nd SDRAM chip - * are missing. - */ - mem_dbg("check presence of 2nd bank\n"); - - p = (u8 *)KSEG1ADDR(maxsize+size-4); - if (mem_check_pattern(p, 0)) { - adm5120_memsize += size; - } - - if (maxsize != size) { - /* adjusting MECTRL register */ - memctrl &= ~(MEMCTRL_SDRS_MASK); - switch (size>>20) { - case 4: - memctrl |= MEMCTRL_SDRS_4M; - break; - case 8: - memctrl |= MEMCTRL_SDRS_8M; - break; - case 16: - memctrl |= MEMCTRL_SDRS_16M; - break; - default: - memctrl |= MEMCTRL_SDRS_64M; - break; - } - SWITCH_WRITE(SWITCH_REG_MEMCTRL, memctrl); - } - -out: - /* reenable buffer for both SDRAM banks */ - mem_dbg("enable buffers for both banks\n"); - MPMC_WRITE(MPMC_REG_DC0, MPMC_READ(MPMC_REG_DC0) | DC_BE); - MPMC_WRITE(MPMC_REG_DC1, MPMC_READ(MPMC_REG_DC1) | DC_BE); - - mem_dbg("%dx%uMB memory found\n", (adm5120_memsize == size) ? 1 : 2 , - size >>20); -} - -void __init adm5120_mem_init(void) -{ - adm5120_detect_memsize(); - add_memory_region(0, adm5120_memsize, BOOT_MEM_RAM); -} -- cgit v1.2.3