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atheros: fix ath5k support on ar2315/2317

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- Use physical addresses definition for AR2315 the same way as AR5312. Fixes ioremap
- Fix dma mapping for AHB bus (only use the PCI DMA offset for PCI devices)

Based on patches by Wojciech Dubowik

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26554 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-04-09 18:25:55 +00:00
parent b613f2d631
commit cf521fcca8
2 changed files with 30 additions and 18 deletions
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46
target/linux/atheros/patches-2.6.37/100-board.patch
View File

@ -552,7 +552,7 @@
+#endif /* __ASM_MACH_ATHEROS_CPU_FEATURE_OVERRIDES_H */
--- /dev/null
+++ b/arch/mips/include/asm/mach-ar231x/dma-coherence.h
@@ -0,0 +1,64 @@
@@ -0,0 +1,76 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
@ -567,22 +567,34 @@
+
+#define PCI_DMA_OFFSET 0x20000000
+
+struct device;
+#include <linux/device.h>
+
+static inline dma_addr_t ar231x_dev_offset(struct device *dev)
+{
+#ifdef CONFIG_PCI
+ extern struct bus_type pci_bus_type;
+
+ if (dev && dev->bus == &pci_bus_type)
+ return PCI_DMA_OFFSET;
+ else
+#endif
+ return 0;
+}
+
+static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
+{
+ return virt_to_phys(addr) + (dev != NULL ? PCI_DMA_OFFSET : 0);
+ return virt_to_phys(addr) + ar231x_dev_offset(dev);
+}
+
+static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page)
+{
+ return page_to_phys(page) + (dev != NULL ? PCI_DMA_OFFSET : 0);
+ return page_to_phys(page) + ar231x_dev_offset(dev);
+}
+
+static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
+ dma_addr_t dma_addr)
+{
+ return (dma_addr > PCI_DMA_OFFSET ? dma_addr - PCI_DMA_OFFSET : dma_addr);
+ return dma_addr - ar231x_dev_offset(dev);
+}
+
+static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
@ -773,14 +785,14 @@
+ * Address map
+ */
+#define AR2315_SPI_READ 0x08000000 /* SPI FLASH */
+#define AR2315_WLAN0 0xB0000000 /* Wireless MMR */
+#define AR2315_PCI 0xB0100000 /* PCI MMR */
+#define AR2315_SDRAMCTL 0xB0300000 /* SDRAM MMR */
+#define AR2315_LOCAL 0xB0400000 /* LOCAL BUS MMR */
+#define AR2315_ENET0 0xB0500000 /* ETHERNET MMR */
+#define AR2315_DSLBASE 0xB1000000 /* RESET CONTROL MMR */
+#define AR2315_UART0 0xB1100003 /* UART MMR */
+#define AR2315_SPI 0xB1300000 /* SPI FLASH MMR */
+#define AR2315_WLAN0 0x10000000 /* Wireless MMR */
+#define AR2315_PCI 0x10100000 /* PCI MMR */
+#define AR2315_SDRAMCTL 0x10300000 /* SDRAM MMR */
+#define AR2315_LOCAL 0x10400000 /* LOCAL BUS MMR */
+#define AR2315_ENET0 0x10500000 /* ETHERNET MMR */
+#define AR2315_DSLBASE 0x11000000 /* RESET CONTROL MMR */
+#define AR2315_UART0 0x11100003 /* UART MMR */
+#define AR2315_SPI 0x11300000 /* SPI FLASH MMR */
+#define AR2315_PCIEXT 0x80000000 /* pci external */
+
+/*
@ -2462,7 +2474,7 @@
+ .reset_base = AR2315_RESET,
+ .reset_mac = AR2315_RESET_ENET0,
+ .reset_phy = AR2315_RESET_EPHY0,
+ .phy_base = AR2315_ENET0,
+ .phy_base = KSEG1ADDR(AR2315_ENET0),
+ .config = &ar231x_board,
+};
+
@ -2500,13 +2512,13 @@
+static inline u32
+spiflash_read_reg(int reg)
+{
+ return ar231x_read_reg(KSEG1ADDR(AR2315_SPI) + reg);
+ return ar231x_read_reg(AR2315_SPI + reg);
+}
+
+static inline void
+spiflash_write_reg(int reg, u32 data)
+{
+ ar231x_write_reg(KSEG1ADDR(AR2315_SPI) + reg, data);
+ ar231x_write_reg(AR2315_SPI + reg, data);
+}
+
+static u32
@ -2635,7 +2647,7 @@
+ ar2315_init_gpio();
+ platform_device_register(&ar2315_wdt);
+ platform_device_register(&ar2315_spiflash);
+ ar231x_add_ethernet(0, AR2315_ENET0, AR2315_IRQ_ENET0_INTRS,
+ ar231x_add_ethernet(0, KSEG1ADDR(AR2315_ENET0), AR2315_IRQ_ENET0_INTRS,
+ &ar2315_eth_data);
+ ar231x_add_wmac(0, AR2315_WLAN0, AR2315_IRQ_WLAN0_INTRS);
+

2
target/linux/atheros/patches-2.6.37/105-ar2315_pci.patch
View File

@ -186,7 +186,7 @@
+ if (ar231x_devtype != DEV_TYPE_AR2315)
+ return -ENODEV;
+
+ configspace = (unsigned long) ioremap_nocache(0x80000000, 1*1024*1024); /* Remap PCI config space */
+ configspace = (unsigned long) ioremap_nocache(AR2315_PCIEXT, 1*1024*1024); /* Remap PCI config space */
+ ar231x_pci_controller.io_map_base =
+ (unsigned long) ioremap_nocache(AR531X_MEM_BASE + AR531X_MEM_SIZE, AR531X_IO_SIZE);
+ set_io_port_base(ar231x_pci_controller.io_map_base); /* PCI I/O space */