From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress
---
kernel/arch/sparc/kernel/pci.c | 92 +++++++++++++++++----------------------------
1 files changed, 35 insertions(+), 57 deletions(-)
diff --git a/kernel/arch/sparc/kernel/pci.c b/kernel/arch/sparc/kernel/pci.c
index 17ea16a..5d45b6d 100644
--- a/kernel/arch/sparc/kernel/pci.c
+++ b/kernel/arch/sparc/kernel/pci.c
@@ -21,9 +21,9 @@
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_device.h>
+#include <linux/pgtable.h>
#include <linux/uaccess.h>
-#include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/prom.h>
#include <asm/apb.h>
@@ -267,7 +267,6 @@
struct dev_archdata *sd;
struct platform_device *op;
struct pci_dev *dev;
- const char *type;
u32 class;
dev = pci_alloc_dev(bus);
@@ -283,16 +282,12 @@
sd->stc = &pbm->stc;
sd->numa_node = pbm->numa_node;
- if (!strcmp(node->name, "ebus"))
+ if (of_node_name_eq(node, "ebus"))
of_propagate_archdata(op);
-
- type = of_get_property(node, "device_type", NULL);
- if (type == NULL)
- type = "";
if (ofpci_verbose)
pci_info(bus," create device, devfn: %x, type: %s\n",
- devfn, type);
+ devfn, of_node_get_device_type(node));
dev->sysdata = node;
dev->dev.parent = bus->bridge;
@@ -336,11 +331,11 @@
dev->error_state = pci_channel_io_normal;
dev->dma_mask = 0xffffffff;
- if (!strcmp(node->name, "pci")) {
+ if (of_node_name_eq(node, "pci")) {
/* a PCI-PCI bridge */
dev->hdr_type = PCI_HEADER_TYPE_BRIDGE;
dev->rom_base_reg = PCI_ROM_ADDRESS1;
- } else if (!strcmp(type, "cardbus")) {
+ } else if (of_node_is_type(node, "cardbus")) {
dev->hdr_type = PCI_HEADER_TYPE_CARDBUS;
} else {
dev->hdr_type = PCI_HEADER_TYPE_NORMAL;
@@ -431,13 +426,13 @@
u64 size;
if (ofpci_verbose)
- pci_info(dev, "of_scan_pci_bridge(%s)\n", node->full_name);
+ pci_info(dev, "of_scan_pci_bridge(%pOF)\n", node);
/* parse bus-range property */
busrange = of_get_property(node, "bus-range", &len);
if (busrange == NULL || len != 8) {
- pci_info(dev, "Can't get bus-range for PCI-PCI bridge %s\n",
- node->full_name);
+ pci_info(dev, "Can't get bus-range for PCI-PCI bridge %pOF\n",
+ node);
return;
}
@@ -455,8 +450,8 @@
bus = pci_add_new_bus(dev->bus, dev, busrange[0]);
if (!bus) {
- pci_err(dev, "Failed to create pci bus for %s\n",
- node->full_name);
+ pci_err(dev, "Failed to create pci bus for %pOF\n",
+ node);
return;
}
@@ -512,13 +507,13 @@
res = bus->resource[0];
if (res->flags) {
pci_err(dev, "ignoring extra I/O range"
- " for bridge %s\n", node->full_name);
+ " for bridge %pOF\n", node);
continue;
}
} else {
if (i >= PCI_NUM_RESOURCES - PCI_BRIDGE_RESOURCES) {
pci_err(dev, "too many memory ranges"
- " for bridge %s\n", node->full_name);
+ " for bridge %pOF\n", node);
continue;
}
res = bus->resource[i];
@@ -554,14 +549,14 @@
struct pci_dev *dev;
if (ofpci_verbose)
- pci_info(bus, "scan_bus[%s] bus no %d\n",
- node->full_name, bus->number);
+ pci_info(bus, "scan_bus[%pOF] bus no %d\n",
+ node, bus->number);
child = NULL;
prev_devfn = -1;
while ((child = of_get_next_child(node, child)) != NULL) {
if (ofpci_verbose)
- pci_info(bus, " * %s\n", child->full_name);
+ pci_info(bus, " * %pOF\n", child);
reg = of_get_property(child, "reg", ®len);
if (reg == NULL || reglen < 20)
continue;
@@ -598,7 +593,7 @@
pdev = to_pci_dev(dev);
dp = pdev->dev.of_node;
- return snprintf (buf, PAGE_SIZE, "%s\n", dp->full_name);
+ return scnprintf(buf, PAGE_SIZE, "%pOF\n", dp);
}
static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_pciobppath_attr, NULL);
@@ -698,7 +693,7 @@
struct device_node *node = pbm->op->dev.of_node;
struct pci_bus *bus;
- printk("PCI: Scanning PBM %s\n", node->full_name);
+ printk("PCI: Scanning PBM %pOF\n", node);
pci_add_resource_offset(&resources, &pbm->io_space,
pbm->io_offset);
@@ -714,8 +709,7 @@
bus = pci_create_root_bus(parent, pbm->pci_first_busno, pbm->pci_ops,
pbm, &resources);
if (!bus) {
- printk(KERN_ERR "Failed to create bus for %s\n",
- node->full_name);
+ printk(KERN_ERR "Failed to create bus for %pOF\n", node);
pci_free_resource_list(&resources);
return NULL;
}
@@ -962,51 +956,35 @@
}
#endif /* !(CONFIG_PCI_MSI) */
-static void ali_sound_dma_hack(struct pci_dev *pdev, int set_bit)
+/* ALI sound chips generate 31-bits of DMA, a special register
+ * determines what bit 31 is emitted as.
+ */
+int ali_sound_dma_hack(struct device *dev, u64 device_mask)
{
+ struct iommu *iommu = dev->archdata.iommu;
struct pci_dev *ali_isa_bridge;
u8 val;
- /* ALI sound chips generate 31-bits of DMA, a special register
- * determines what bit 31 is emitted as.
- */
+ if (!dev_is_pci(dev))
+ return 0;
+
+ if (to_pci_dev(dev)->vendor != PCI_VENDOR_ID_AL ||
+ to_pci_dev(dev)->device != PCI_DEVICE_ID_AL_M5451 ||
+ device_mask != 0x7fffffff)
+ return 0;
+
ali_isa_bridge = pci_get_device(PCI_VENDOR_ID_AL,
PCI_DEVICE_ID_AL_M1533,
NULL);
pci_read_config_byte(ali_isa_bridge, 0x7e, &val);
- if (set_bit)
+ if (iommu->dma_addr_mask & 0x80000000)
val |= 0x01;
else
val &= ~0x01;
pci_write_config_byte(ali_isa_bridge, 0x7e, val);
pci_dev_put(ali_isa_bridge);
-}
-
-int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask)
-{
- u64 dma_addr_mask;
-
- if (pdev == NULL) {
- dma_addr_mask = 0xffffffff;
- } else {
- struct iommu *iommu = pdev->dev.archdata.iommu;
-
- dma_addr_mask = iommu->dma_addr_mask;
-
- if (pdev->vendor == PCI_VENDOR_ID_AL &&
- pdev->device == PCI_DEVICE_ID_AL_M5451 &&
- device_mask == 0x7fffffff) {
- ali_sound_dma_hack(pdev,
- (dma_addr_mask & 0x80000000) != 0);
- return 1;
- }
- }
-
- if (device_mask >= (1UL << 32UL))
- return 0;
-
- return (device_mask & dma_addr_mask) == dma_addr_mask;
+ return 1;
}
void pci_resource_to_user(const struct pci_dev *pdev, int bar,
@@ -1111,8 +1089,8 @@
sp = prop->names;
if (ofpci_verbose)
- pci_info(bus, "Making slots for [%s] mask[0x%02x]\n",
- node->full_name, mask);
+ pci_info(bus, "Making slots for [%pOF] mask[0x%02x]\n",
+ node, mask);
i = 0;
while (mask) {
--
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