diff options
Diffstat (limited to 'arch/m68k/platform/54xx/config.c')
| -rw-r--r-- | arch/m68k/platform/54xx/config.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/arch/m68k/platform/54xx/config.c b/arch/m68k/platform/54xx/config.c deleted file mode 100644 index 2081c6cbb3de..000000000000 --- a/arch/m68k/platform/54xx/config.c +++ /dev/null @@ -1,105 +0,0 @@ -/***************************************************************************/ - -/* - * linux/arch/m68knommu/platform/54xx/config.c - * - * Copyright (C) 2010, Philippe De Muyter <phdm@macqel.be> - */ - -/***************************************************************************/ - -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/mm.h> -#include <linux/bootmem.h> -#include <asm/pgalloc.h> -#include <asm/machdep.h> -#include <asm/coldfire.h> -#include <asm/m54xxsim.h> -#include <asm/mcfuart.h> -#include <asm/m54xxgpt.h> -#ifdef CONFIG_MMU -#include <asm/mmu_context.h> -#endif - -/***************************************************************************/ - -static void __init m54xx_uarts_init(void) -{ - /* enable io pins */ - __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD, - MCF_MBAR + MCF_PAR_PSC(0)); - __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS, - MCF_MBAR + MCF_PAR_PSC(1)); - __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS | - MCF_PAR_PSC_CTS_CTS, MCF_MBAR + MCF_PAR_PSC(2)); - __raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD, - MCF_MBAR + MCF_PAR_PSC(3)); -} - -/***************************************************************************/ - -static void mcf54xx_reset(void) -{ - /* disable interrupts and enable the watchdog */ - asm("movew #0x2700, %sr\n"); - __raw_writel(0, MCF_MBAR + MCF_GPT_GMS0); - __raw_writel(MCF_GPT_GCIR_CNT(1), MCF_MBAR + MCF_GPT_GCIR0); - __raw_writel(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE | MCF_GPT_GMS_TMS(4), - MCF_MBAR + MCF_GPT_GMS0); -} - -/***************************************************************************/ - -#ifdef CONFIG_MMU - -unsigned long num_pages; - -static void __init mcf54xx_bootmem_alloc(void) -{ - unsigned long start_pfn; - unsigned long memstart; - - /* _rambase and _ramend will be naturally page aligned */ - m68k_memory[0].addr = _rambase; - m68k_memory[0].size = _ramend - _rambase; - - /* compute total pages in system */ - num_pages = (_ramend - _rambase) >> PAGE_SHIFT; - - /* page numbers */ - memstart = PAGE_ALIGN(_ramstart); - min_low_pfn = _rambase >> PAGE_SHIFT; - start_pfn = memstart >> PAGE_SHIFT; - max_low_pfn = _ramend >> PAGE_SHIFT; - high_memory = (void *)_ramend; - - m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6; - module_fixup(NULL, __start_fixup, __stop_fixup); - - /* setup bootmem data */ - m68k_setup_node(0); - memstart += init_bootmem_node(NODE_DATA(0), start_pfn, - min_low_pfn, max_low_pfn); - free_bootmem_node(NODE_DATA(0), memstart, _ramend - memstart); -} - -#endif /* CONFIG_MMU */ - -/***************************************************************************/ - -void __init config_BSP(char *commandp, int size) -{ -#ifdef CONFIG_MMU - mcf54xx_bootmem_alloc(); - mmu_context_init(); -#endif - mach_reset = mcf54xx_reset; - mach_sched_init = hw_timer_init; - m54xx_uarts_init(); -} - -/***************************************************************************/ |