atheros: ar2315-pci: convert to platform driver
Convert the PCI controller support code to platform driver and move it to appropriate subdirectory. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42506 3c298f89-4303-0410-b956-a3cf2f4a3e73master
John Crispin
parent
611b47149f
commit
d4f42472e8
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@ -1,14 +1,16 @@
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--- a/arch/mips/ar231x/Makefile
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+++ b/arch/mips/ar231x/Makefile
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@@ -14,3 +14,5 @@ obj-$(CONFIG_EARLY_PRINTK) += early_prin
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--- a/arch/mips/pci/Makefile
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+++ b/arch/mips/pci/Makefile
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@@ -19,6 +19,7 @@ obj-$(CONFIG_BCM47XX) += pci-bcm47xx.o
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obj-$(CONFIG_BCM63XX) += pci-bcm63xx.o fixup-bcm63xx.o \
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ops-bcm63xx.o
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obj-$(CONFIG_MIPS_ALCHEMY) += pci-alchemy.o
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+obj-$(CONFIG_PCI_AR2315) += pci-ar2315.o
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obj-$(CONFIG_SOC_AR71XX) += pci-ar71xx.o
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obj-$(CONFIG_PCI_AR724X) += pci-ar724x.o
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obj-$(CONFIG_ATHEROS_AR5312) += ar5312.o
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obj-$(CONFIG_ATHEROS_AR2315) += ar2315.o
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+obj-$(CONFIG_PCI_AR2315) += pci.o
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+
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--- /dev/null
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+++ b/arch/mips/ar231x/pci.c
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@@ -0,0 +1,340 @@
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+++ b/arch/mips/pci/pci-ar2315.c
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@@ -0,0 +1,345 @@
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+/*
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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@ -50,6 +52,7 @@
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+
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+#include <linux/types.h>
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+#include <linux/pci.h>
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+#include <linux/platform_device.h>
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/mm.h>
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@ -60,7 +63,6 @@
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+#include <ar231x_platform.h>
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+#include <ar231x.h>
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+#include <ar2315_regs.h>
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+#include "devices.h"
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+
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+/* Arbitrary size of memory region to access the configuration space */
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+#define AR2315_PCI_CFG_SIZE 0x00100000
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@ -178,16 +180,6 @@
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+ .io_offset = 0x00000000UL,
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+};
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+
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+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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+{
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+ return AR2315_PCI_IRQ_EXT;
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+}
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+
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+int pcibios_plat_dev_init(struct pci_dev *dev)
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+{
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+ return 0;
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+}
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+
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+static int ar2315_pci_host_setup(void)
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+{
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+ unsigned devfn = PCI_DEVFN(AR2315_PCI_HOST_SLOT, 0);
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@ -281,20 +273,17 @@
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+ ar231x_mask_reg(AR2315_PCI_IER, 0, AR2315_PCI_IER_ENABLE);
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+}
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+
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+static int __init
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+ar2315_pci_init(void)
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+static int ar2315_pci_probe(struct platform_device *pdev)
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+{
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+ struct device *dev = &pdev->dev;
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+ u32 reg;
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+ int res;
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+
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+ if (ar231x_devtype != DEV_TYPE_AR2315)
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+ return -ENODEV;
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+
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+ /* Remap PCI config space */
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+ ar2315_pci_cfg_mem = ioremap_nocache(AR2315_PCIEXT,
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+ ar2315_pci_cfg_mem = devm_ioremap_nocache(dev, AR2315_PCIEXT,
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+ AR2315_PCI_CFG_SIZE);
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+ if (!ar2315_pci_cfg_mem) {
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+ pr_err("ar2315-pci: failed to remap PCI config space\n");
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+ dev_err(dev, "failed to remap PCI config space\n");
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+ return -ENOMEM;
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+ }
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+
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@ -335,20 +324,38 @@
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+
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+ res = ar2315_pci_host_setup();
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+ if (res)
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+ goto error;
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+ return res;
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+
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+ ar2315_pci_irq_init();
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+
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+ register_pci_controller(&ar2315_pci_controller);
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+
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+ return 0;
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+
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+error:
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+ iounmap(ar2315_pci_cfg_mem);
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+ return res;
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+}
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+
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+static struct platform_driver ar2315_pci_driver = {
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+ .probe = ar2315_pci_probe,
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+ .driver = {
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+ .name = "ar2315-pci",
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+ .owner = THIS_MODULE,
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+ },
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+};
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+
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+static int __init ar2315_pci_init(void)
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+{
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+ return platform_driver_register(&ar2315_pci_driver);
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+}
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+arch_initcall(ar2315_pci_init);
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+
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+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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+{
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+ return AR2315_PCI_IRQ_EXT;
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+}
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+
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+int pcibios_plat_dev_init(struct pci_dev *dev)
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+{
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+ return 0;
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+}
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--- a/arch/mips/ar231x/Kconfig
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+++ b/arch/mips/ar231x/Kconfig
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@@ -7,3 +7,10 @@ config ATHEROS_AR2315
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@ -375,3 +382,22 @@
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else if (pending & CAUSEF_IP2)
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do_IRQ(AR2315_IRQ_MISC_INTRS);
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else if (pending & CAUSEF_IP7)
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@@ -554,3 +558,18 @@ ar2315_plat_setup(void)
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ar231x_serial_setup(AR2315_UART0, AR2315_MISC_IRQ_UART0,
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ar2315_apb_frequency());
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}
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+
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+#ifdef CONFIG_PCI_AR2315
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+static int __init ar2315_pci_init(void)
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+{
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+ struct platform_device *pdev;
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+
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+ if (!is_2315() || ar231x_devtype != DEV_TYPE_AR2315)
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+ return -ENODEV;
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+
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+ pdev = platform_device_register_simple("ar2315-pci", -1, NULL, 0);
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+
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+ return pdev ? 0 : -ENODEV;
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+}
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+arch_initcall(ar2315_pci_init);
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+#endif
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