Merge tag 'sh-for-v6.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubit...
[sfrench/cifs-2.6.git] / arch / sh / drivers / superhyway / ops-sh4-202.c
diff --git a/arch/sh/drivers/superhyway/ops-sh4-202.c b/arch/sh/drivers/superhyway/ops-sh4-202.c
deleted file mode 100644 (file)
index 4901422..0000000
+++ /dev/null
@@ -1,168 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * arch/sh/drivers/superhyway/ops-sh4-202.c
- *
- * SuperHyway bus support for SH4-202
- *
- * Copyright (C) 2005  Paul Mundt
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/superhyway.h>
-#include <linux/string.h>
-#include <asm/addrspace.h>
-#include <asm/io.h>
-
-#define PHYS_EMI_CBLOCK                P4SEGADDR(0x1ec00000)
-#define PHYS_EMI_DBLOCK                P4SEGADDR(0x08000000)
-#define PHYS_FEMI_CBLOCK       P4SEGADDR(0x1f800000)
-#define PHYS_FEMI_DBLOCK       P4SEGADDR(0x00000000)
-
-#define PHYS_EPBR_BLOCK                P4SEGADDR(0x1de00000)
-#define PHYS_DMAC_BLOCK                P4SEGADDR(0x1fa00000)
-#define PHYS_PBR_BLOCK         P4SEGADDR(0x1fc00000)
-
-static struct resource emi_resources[] = {
-       [0] = {
-               .start  = PHYS_EMI_CBLOCK,
-               .end    = PHYS_EMI_CBLOCK + 0x00300000 - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-       [1] = {
-               .start  = PHYS_EMI_DBLOCK,
-               .end    = PHYS_EMI_DBLOCK + 0x08000000 - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-};
-
-static struct superhyway_device emi_device = {
-       .name           = "emi",
-       .num_resources  = ARRAY_SIZE(emi_resources),
-       .resource       = emi_resources,
-};
-
-static struct resource femi_resources[] = {
-       [0] = {
-               .start  = PHYS_FEMI_CBLOCK,
-               .end    = PHYS_FEMI_CBLOCK + 0x00100000 - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-       [1] = {
-               .start  = PHYS_FEMI_DBLOCK,
-               .end    = PHYS_FEMI_DBLOCK + 0x08000000 - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-};
-
-static struct superhyway_device femi_device = {
-       .name           = "femi",
-       .num_resources  = ARRAY_SIZE(femi_resources),
-       .resource       = femi_resources,
-};
-
-static struct resource epbr_resources[] = {
-       [0] = {
-               .start  = P4SEGADDR(0x1e7ffff8),
-               .end    = P4SEGADDR(0x1e7ffff8 + (sizeof(u32) * 2) - 1),
-               .flags  = IORESOURCE_MEM,
-       },
-       [1] = {
-               .start  = PHYS_EPBR_BLOCK,
-               .end    = PHYS_EPBR_BLOCK + 0x00a00000 - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-};
-
-static struct superhyway_device epbr_device = {
-       .name           = "epbr",
-       .num_resources  = ARRAY_SIZE(epbr_resources),
-       .resource       = epbr_resources,
-};
-
-static struct resource dmac_resource = {
-       .start  = PHYS_DMAC_BLOCK,
-       .end    = PHYS_DMAC_BLOCK + 0x00100000 - 1,
-       .flags  = IORESOURCE_MEM,
-};
-
-static struct superhyway_device dmac_device = {
-       .name           = "dmac",
-       .num_resources  = 1,
-       .resource       = &dmac_resource,
-};
-
-static struct resource pbr_resources[] = {
-       [0] = {
-               .start  = P4SEGADDR(0x1ffffff8),
-               .end    = P4SEGADDR(0x1ffffff8 + (sizeof(u32) * 2) - 1),
-               .flags  = IORESOURCE_MEM,
-       },
-       [1] = {
-               .start  = PHYS_PBR_BLOCK,
-               .end    = PHYS_PBR_BLOCK + 0x00400000 - (sizeof(u32) * 2) - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-};
-
-static struct superhyway_device pbr_device = {
-       .name           = "pbr",
-       .num_resources  = ARRAY_SIZE(pbr_resources),
-       .resource       = pbr_resources,
-};
-
-static struct superhyway_device *sh4202_devices[] __initdata = {
-       &emi_device, &femi_device, &epbr_device, &dmac_device, &pbr_device,
-};
-
-static int sh4202_read_vcr(unsigned long base, struct superhyway_vcr_info *vcr)
-{
-       u32 vcrh, vcrl;
-       u64 tmp;
-
-       /*
-        * XXX: Even though the SH4-202 Evaluation Device documentation
-        * indicates that VCRL is mapped first with VCRH at a + 0x04
-        * offset, the opposite seems to be true.
-        *
-        * Some modules (PBR and ePBR for instance) also appear to have
-        * VCRL/VCRH flipped in the documentation, but on the SH4-202
-        * itself it appears that these are all consistently mapped with
-        * VCRH preceding VCRL.
-        *
-        * Do not trust the documentation, for it is evil.
-        */
-       vcrh = __raw_readl(base);
-       vcrl = __raw_readl(base + sizeof(u32));
-
-       tmp = ((u64)vcrh << 32) | vcrl;
-       memcpy(vcr, &tmp, sizeof(u64));
-
-       return 0;
-}
-
-static int sh4202_write_vcr(unsigned long base, struct superhyway_vcr_info vcr)
-{
-       u64 tmp = *(u64 *)&vcr;
-
-       __raw_writel((tmp >> 32) & 0xffffffff, base);
-       __raw_writel(tmp & 0xffffffff, base + sizeof(u32));
-
-       return 0;
-}
-
-static struct superhyway_ops sh4202_superhyway_ops = {
-       .read_vcr       = sh4202_read_vcr,
-       .write_vcr      = sh4202_write_vcr,
-};
-
-struct superhyway_bus superhyway_channels[] = {
-       { &sh4202_superhyway_ops, },
-       { 0, },
-};
-
-int __init superhyway_scan_bus(struct superhyway_bus *bus)
-{
-       return superhyway_add_devices(bus, sh4202_devices,
-                                     ARRAY_SIZE(sh4202_devices));
-}
-