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authorFelix Fietkau <nbd@openwrt.org>2011-04-09 18:25:55 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-04-09 18:25:55 +0000
commit4eb507901a3a671880f265f3ade9dafe3417ad7c (patch)
tree711b9bcef0c800b68766c720901aa235d9d682ca /target/linux/atheros
parentcf3adeaa22cc1b5871b85ceebf2a89bbbe4e5b5d (diff)
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atheros: fix ath5k support on ar2315/2317
- 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 SVN-Revision: 26554
Diffstat (limited to 'target/linux/atheros')
-rw-r--r--target/linux/atheros/patches-2.6.37/100-board.patch46
-rw-r--r--target/linux/atheros/patches-2.6.37/105-ar2315_pci.patch2
2 files changed, 30 insertions, 18 deletions
diff --git a/target/linux/atheros/patches-2.6.37/100-board.patch b/target/linux/atheros/patches-2.6.37/100-board.patch
index a30f5fe..97d51f4 100644
--- a/target/linux/atheros/patches-2.6.37/100-board.patch
+++ b/target/linux/atheros/patches-2.6.37/100-board.patch
@@ -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);
+
diff --git a/target/linux/atheros/patches-2.6.37/105-ar2315_pci.patch b/target/linux/atheros/patches-2.6.37/105-ar2315_pci.patch
index 3f5e6b4..93fa953 100644
--- a/target/linux/atheros/patches-2.6.37/105-ar2315_pci.patch
+++ b/target/linux/atheros/patches-2.6.37/105-ar2315_pci.patch
@@ -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 */