From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 3/4] m68k: add IO access definitions to support PCI on ColdFire platforms Date: Fri, 29 Jun 2012 15:17:49 +1000 Message-ID: <1340947070-10672-4-git-send-email-gerg@snapgear.com> References: <1340947070-10672-1-git-send-email-gerg@snapgear.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from dnvwsmailout1.mcafee.com ([161.69.31.173]:18152 "EHLO DNVWSMAILOUT1.mcafee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750907Ab2F2FRs (ORCPT ); Fri, 29 Jun 2012 01:17:48 -0400 In-Reply-To: <1340947070-10672-1-git-send-email-gerg@snapgear.com> Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: linux-m68k@vger.kernel.org, uclinux-dev@uclinux.org Cc: Greg Ungerer From: Greg Ungerer Define the usual memory access functions (readb/writeb/...) and I/O space functions (inb/outb/...) for PCI bus support on ColdFire CPU based platforms. Signed-off-by: Greg Ungerer --- arch/m68k/include/asm/io_mm.h | 48 ++++++++++++++++++++++++++++++++++++++++- 1 files changed, 47 insertions(+), 1 deletions(-) diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index b85dbef..a6686d2 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -65,7 +65,53 @@ -#ifdef CONFIG_ISA +#if defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE) + +#define HAVE_ARCH_PIO_SIZE +#define PIO_OFFSET 0 +#define PIO_MASK 0xffff +#define PIO_RESERVED 0x10000 + +u8 mcf_pci_inb(u32 addr); +u16 mcf_pci_inw(u32 addr); +u32 mcf_pci_inl(u32 addr); +void mcf_pci_insb(u32 addr, u8 *buf, u32 len); +void mcf_pci_insw(u32 addr, u16 *buf, u32 len); +void mcf_pci_insl(u32 addr, u32 *buf, u32 len); + +void mcf_pci_outb(u8 v, u32 addr); +void mcf_pci_outw(u16 v, u32 addr); +void mcf_pci_outl(u32 v, u32 addr); +void mcf_pci_outsb(u32 addr, const u8 *buf, u32 len); +void mcf_pci_outsw(u32 addr, const u16 *buf, u32 len); +void mcf_pci_outsl(u32 addr, const u32 *buf, u32 len); + +#define inb mcf_pci_inb +#define inb_p mcf_pci_inb +#define inw mcf_pci_inw +#define inw_p mcf_pci_inw +#define inl mcf_pci_inl +#define inl_p mcf_pci_inl +#define insb mcf_pci_insb +#define insw mcf_pci_insw +#define insl mcf_pci_insl + +#define outb mcf_pci_outb +#define outb_p mcf_pci_outb +#define outw mcf_pci_outw +#define outw_p mcf_pci_outw +#define outl mcf_pci_outl +#define outl_p mcf_pci_outl +#define outsb mcf_pci_outsb +#define outsw mcf_pci_outsw +#define outsl mcf_pci_outsl + +#define readb(addr) in_8(addr) +#define writeb(v, addr) out_8((addr), (v)) +#define readw(addr) in_le16(addr) +#define writew(v, addr) out_le16((addr), (v)) + +#elif defined(CONFIG_ISA) #if MULTI_ISA == 0 #undef MULTI_ISA -- 1.7.0.4