summaryrefslogtreecommitdiff
path: root/arch/sh/kernel/cf-enabler.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/kernel/cf-enabler.c')
-rw-r--r--arch/sh/kernel/cf-enabler.c168
1 files changed, 0 insertions, 168 deletions
diff --git a/arch/sh/kernel/cf-enabler.c b/arch/sh/kernel/cf-enabler.c
deleted file mode 100644
index bea40339919b..000000000000
--- a/arch/sh/kernel/cf-enabler.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/* $Id: cf-enabler.c,v 1.4 2004/02/22 22:44:36 kkojima Exp $
- *
- * linux/drivers/block/cf-enabler.c
- *
- * Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2000 Toshiharu Nozawa
- * Copyright (C) 2001 A&D Co., Ltd.
- *
- * Enable the CF configuration.
- */
-
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/interrupt.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-
-/*
- * You can connect Compact Flash directly to the bus of SuperH.
- * This is the enabler for that.
- *
- * SIM: How generic is this really? It looks pretty board, or at
- * least SH sub-type, specific to me.
- * I know it doesn't work on the Overdrive!
- */
-
-/*
- * 0xB8000000 : Attribute
- * 0xB8001000 : Common Memory
- * 0xBA000000 : I/O
- */
-#if defined(CONFIG_CPU_SH4)
-/* SH4 can't access PCMCIA interface through P2 area.
- * we must remap it with appropriate attribute bit of the page set.
- * this part is based on Greg Banks' hd64465_ss.c implementation - Masahiro Abe */
-
-#if defined(CONFIG_CF_AREA6)
-#define slot_no 0
-#else
-#define slot_no 1
-#endif
-
-/* use this pointer to access to directly connected compact flash io area*/
-void *cf_io_base;
-
-static int __init allocate_cf_area(void)
-{
- pgprot_t prot;
- unsigned long paddrbase, psize;
-
- /* open I/O area window */
- paddrbase = virt_to_phys((void*)CONFIG_CF_BASE_ADDR);
- psize = PAGE_SIZE;
- prot = PAGE_KERNEL_PCC(slot_no, _PAGE_PCC_IO16);
- cf_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
- if (!cf_io_base) {
- printk("allocate_cf_area : can't open CF I/O window!\n");
- return -ENOMEM;
- }
-/* printk("p3_ioremap(paddr=0x%08lx, psize=0x%08lx, prot=0x%08lx)=0x%08lx\n",
- paddrbase, psize, prot.pgprot, cf_io_base);*/
-
- /* XXX : do we need attribute and common-memory area also? */
-
- return 0;
-}
-#endif
-
-static int __init cf_init_default(void)
-{
-/* You must have enabled the card, and set the level interrupt
- * before reaching this point. Possibly in boot ROM or boot loader.
- */
-#if defined(CONFIG_CPU_SH4)
- allocate_cf_area();
-#endif
-
- return 0;
-}
-
-#if defined(CONFIG_SH_SOLUTION_ENGINE)
-#include <mach-se/mach/se.h>
-#elif defined(CONFIG_SH_7722_SOLUTION_ENGINE)
-#include <mach-se/mach/se7722.h>
-#elif defined(CONFIG_SH_7721_SOLUTION_ENGINE)
-#include <mach-se/mach/se7721.h>
-#endif
-
-/*
- * SolutionEngine Seriese
- *
- * about MS770xSE
- * 0xB8400000 : Common Memory
- * 0xB8500000 : Attribute
- * 0xB8600000 : I/O
- *
- * about MS7722SE
- * 0xB0400000 : Common Memory
- * 0xB0500000 : Attribute
- * 0xB0600000 : I/O
- */
-
-#if defined(CONFIG_SH_SOLUTION_ENGINE) || \
- defined(CONFIG_SH_7722_SOLUTION_ENGINE) || \
- defined(CONFIG_SH_7721_SOLUTION_ENGINE)
-static int __init cf_init_se(void)
-{
- if ((ctrl_inw(MRSHPC_CSR) & 0x000c) != 0)
- return 0; /* Not detected */
-
- if ((ctrl_inw(MRSHPC_CSR) & 0x0080) == 0) {
- ctrl_outw(0x0674, MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
- } else {
- ctrl_outw(0x0678, MRSHPC_CPWCR); /* Card Vcc is 5V */
- }
-
- /*
- * PC-Card window open
- * flag == COMMON/ATTRIBUTE/IO
- */
- /* common window open */
- ctrl_outw(0x8a84, MRSHPC_MW0CR1);
- if((ctrl_inw(MRSHPC_CSR) & 0x4000) != 0)
- /* common mode & bus width 16bit SWAP = 1*/
- ctrl_outw(0x0b00, MRSHPC_MW0CR2);
- else
- /* common mode & bus width 16bit SWAP = 0*/
- ctrl_outw(0x0300, MRSHPC_MW0CR2);
-
- /* attribute window open */
- ctrl_outw(0x8a85, MRSHPC_MW1CR1);
- if ((ctrl_inw(MRSHPC_CSR) & 0x4000) != 0)
- /* attribute mode & bus width 16bit SWAP = 1*/
- ctrl_outw(0x0a00, MRSHPC_MW1CR2);
- else
- /* attribute mode & bus width 16bit SWAP = 0*/
- ctrl_outw(0x0200, MRSHPC_MW1CR2);
-
- /* I/O window open */
- ctrl_outw(0x8a86, MRSHPC_IOWCR1);
- ctrl_outw(0x0008, MRSHPC_CDCR); /* I/O card mode */
- if ((ctrl_inw(MRSHPC_CSR) & 0x4000) != 0)
- ctrl_outw(0x0a00, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1*/
- else
- ctrl_outw(0x0200, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0*/
-
- ctrl_outw(0x2000, MRSHPC_ICR);
- ctrl_outb(0x00, PA_MRSHPC_MW2 + 0x206);
- ctrl_outb(0x42, PA_MRSHPC_MW2 + 0x200);
- return 0;
-}
-#else
-static int __init cf_init_se(void)
-{
- return -1;
-}
-#endif
-
-static int __init cf_init(void)
-{
- if (mach_is_se() || mach_is_7722se() || mach_is_7721se())
- return cf_init_se();
-
- return cf_init_default();
-}
-
-__initcall (cf_init);