diff options
Diffstat (limited to 'arch/ppc/mach-mpc85xx/cpu.c')
-rw-r--r-- | arch/ppc/mach-mpc85xx/cpu.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/ppc/mach-mpc85xx/cpu.c b/arch/ppc/mach-mpc85xx/cpu.c deleted file mode 100644 index 42464e810c..0000000000 --- a/arch/ppc/mach-mpc85xx/cpu.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright 2012 GE Intelligent Platforms, Inc - * Copyright 2004,2007-2011 Freescale Semiconductor, Inc. - * (C) Copyright 2002, 2003 Motorola Inc. - * Xianghua Xiao (X.Xiao@motorola.com) - * - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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. - * - */ - -#include <config.h> -#include <common.h> -#include <memory.h> -#include <init.h> -#include <restart.h> -#include <asm/fsl_ddr_sdram.h> -#include <asm-generic/memory_layout.h> -#include <mach/mmu.h> -#include <mach/immap_85xx.h> - -static void __noreturn mpc85xx_restart_soc(struct restart_handler *rst) -{ - void __iomem *regs = (void __iomem *)MPC85xx_GUTS_ADDR; - - /* Everything after the first generation of PQ3 parts has RSTCR */ - out_be32(regs + MPC85xx_GUTS_RSTCR_OFFSET, 0x2); /* HRESET_REQ */ - udelay(100); - - hang(); -} - -static int restart_register_feature(void) -{ - restart_handler_register_fn(mpc85xx_restart_soc); - - return 0; -} -coredevice_initcall(restart_register_feature); - -long int initdram(int board_type) -{ - phys_size_t dram_size = 0; - - if (IS_ENABLED(CONFIG_DDR_SPD)) - dram_size = fsl_ddr_sdram(); - else - dram_size = fixed_sdram(); - dram_size = e500_setup_ddr_tlbs(dram_size / 0x100000); - dram_size *= 0x100000; - - return dram_size; -} - -/* - * Return the memory size based on the configuration registers. - */ -phys_size_t fsl_get_effective_memsize(void) -{ - void __iomem *regs = (void __iomem *)(MPC85xx_DDR_ADDR); - phys_size_t sdram_size; - uint san , ean; - uint reg; - int ix; - - sdram_size = 0; - - for (ix = 0; ix < CFG_CHIP_SELECTS_PER_CTRL; ix++) { - if (in_be32(regs + DDR_OFF(CS0_CONFIG) + (ix * 4)) & - SDRAM_CFG_MEM_EN) { - reg = in_be32(regs + DDR_OFF(CS0_BNDS) + (ix * 8)); - /* start address */ - san = (reg & 0x0fff00000) >> 16; - /* end address */ - ean = (reg & 0x00000fff); - sdram_size += ((ean - san + 1) << 24); - } - } - - return sdram_size; -} - -static int fsl_reserve_region(void) -{ - request_sdram_region("stack", _text_base - STACK_SIZE, - STACK_SIZE); - return 0; -} -coredevice_initcall(fsl_reserve_region); |