+obj-$(CONFIG_SOC_AR2315) += ar2315.o
--- /dev/null
+++ b/arch/mips/ath25/board.c
-@@ -0,0 +1,234 @@
+@@ -0,0 +1,244 @@
+/*
+ * 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
+
+void (*ath25_irq_dispatch)(void);
+
-+static inline bool check_radio_magic(u8 *addr)
++static inline bool check_radio_magic(const void __iomem *addr)
+{
+ addr += 0x7a; /* offset for flash magic */
-+ return (addr[0] == 0x5a) && (addr[1] == 0xa5);
++ return (__raw_readb(addr) == 0x5a) && (__raw_readb(addr + 1) == 0xa5);
+}
+
-+static inline bool check_notempty(u8 *addr)
++static inline bool check_notempty(const void __iomem *addr)
+{
-+ return *(u32 *)addr != 0xffffffff;
++ return __raw_readl(addr) != 0xffffffff;
+}
+
-+static inline bool check_board_data(u8 *flash_limit, u8 *addr, bool broken)
++static inline bool check_board_data(const void __iomem *addr, bool broken)
+{
+ /* config magic found */
-+ if (*((u32 *)addr) == ATH25_BD_MAGIC)
++ if (__raw_readl(addr) == ATH25_BD_MAGIC)
+ return true;
+
+ if (!broken)
+ return false;
+
++ /* broken board data detected, use radio data to find the
++ * offset, user will fix this */
++
++ if (check_radio_magic(addr + 0x1000))
++ return true;
+ if (check_radio_magic(addr + 0xf8))
-+ ath25_board.radio = addr + 0xf8;
-+ if ((addr < flash_limit + 0x10000) &&
-+ check_radio_magic(addr + 0x10000))
-+ ath25_board.radio = addr + 0x10000;
-+
-+ if (ath25_board.radio) {
-+ /* broken board data detected, use radio data to find the
-+ * offset, user will fix this */
+ return true;
-+ }
+
+ return false;
+}
+
-+static u8 * __init find_board_config(u8 *flash_limit, bool broken)
++static const void __iomem * __init find_board_config(const void __iomem *limit,
++ const bool broken)
+{
-+ u8 *addr;
-+ u8 *begin = flash_limit - 0x1000;
-+ u8 *end = flash_limit - 0x30000;
++ const void __iomem *addr;
++ const void __iomem *begin = limit - 0x1000;
++ const void __iomem *end = limit - 0x30000;
+
+ for (addr = begin; addr >= end; addr -= 0x1000)
-+ if (check_board_data(flash_limit, addr, broken))
++ if (check_board_data(addr, broken))
+ return addr;
+
+ return NULL;
+}
+
-+static u8 * __init find_radio_config(u8 *flash_limit, u8 *bcfg)
++static const void __iomem * __init find_radio_config(const void __iomem *limit,
++ const void __iomem *bcfg)
+{
-+ u8 *rcfg, *begin, *end;
++ const void __iomem *rcfg, *begin, *end;
+
+ /*
+ * Now find the start of Radio Configuration data, using heuristics:
+ * at a time until we find non-0xffffffff.
+ */
+ begin = bcfg + 0x1000;
-+ end = flash_limit;
++ end = limit;
+ for (rcfg = begin; rcfg < end; rcfg += 0x1000)
+ if (check_notempty(rcfg) && check_radio_magic(rcfg))
+ return rcfg;
+
+ /* AR2316 relocates radio config to new location */
+ begin = bcfg + 0xf8;
-+ end = flash_limit - 0x1000 + 0xf8;
++ end = limit - 0x1000 + 0xf8;
+ for (rcfg = begin; rcfg < end; rcfg += 0x1000)
+ if (check_notempty(rcfg) && check_radio_magic(rcfg))
+ return rcfg;
+
-+ pr_warn("WARNING: Could not find Radio Configuration data\n");
-+
+ return NULL;
+}
+
-+int __init ath25_find_config(u8 *flash_limit)
++/*
++ * NB: Search region size could be larger than the actual flash size,
++ * but this shouldn't be a problem here, because the flash
++ * will simply be mapped multiple times.
++ */
++int __init ath25_find_config(phys_addr_t base, unsigned long size)
+{
++ const void __iomem *flash_base, *flash_limit;
+ struct ath25_boarddata *config;
+ unsigned int rcfg_size;
+ int broken_boarddata = 0;
-+ u8 *bcfg, *rcfg;
++ const void __iomem *bcfg, *rcfg;
+ u8 *board_data;
+ u8 *radio_data;
+ u8 *mac_addr;
+ u32 offset;
+
++ flash_base = ioremap_nocache(base, size);
++ flash_limit = flash_base + size;
++
+ ath25_board.config = NULL;
+ ath25_board.radio = NULL;
++
+ /* Copy the board and radio data to RAM, because accessing the mapped
+ * memory of the flash directly after booting is not safe */
+
+
+ if (!bcfg) {
+ pr_warn("WARNING: No board configuration data found!\n");
-+ return -ENODEV;
++ goto error;
+ }
+
+ board_data = kzalloc(BOARD_CONFIG_BUFSZ, GFP_KERNEL);
+ ath25_board.config = (struct ath25_boarddata *)board_data;
-+ memcpy(board_data, bcfg, 0x100);
++ memcpy_fromio(board_data, bcfg, 0x100);
+ if (broken_boarddata) {
+ pr_warn("WARNING: broken board data detected\n");
+ config = ath25_board.config;
+ /* Radio config starts 0x100 bytes after board config, regardless
+ * of what the physical layout on the flash chip looks like */
+
-+ if (ath25_board.radio)
-+ rcfg = (u8 *)ath25_board.radio;
-+ else
-+ rcfg = find_radio_config(flash_limit, bcfg);
-+
-+ if (!rcfg)
-+ return -ENODEV;
++ rcfg = find_radio_config(flash_limit, bcfg);
++ if (!rcfg) {
++ pr_warn("WARNING: Could not find Radio Configuration data\n");
++ goto error;
++ }
+
+ radio_data = board_data + 0x100 + ((rcfg - bcfg) & 0xfff);
+ ath25_board.radio = radio_data;
+ pr_info("Radio config found at offset 0x%x (0x%x)\n", rcfg - bcfg,
+ offset);
+ rcfg_size = BOARD_CONFIG_BUFSZ - offset;
-+ memcpy(radio_data, rcfg, rcfg_size);
++ memcpy_fromio(radio_data, rcfg, rcfg_size);
+
+ mac_addr = &radio_data[0x1d * 2];
+ if (is_broadcast_ether_addr(mac_addr)) {
+ ether_addr_copy(mac_addr, ath25_board.config->wlan0_mac);
+ }
+
++ iounmap(flash_base);
++
+ return 0;
++
++error:
++ iounmap(flash_base);
++ return -ENODEV;
+}
+
+static void ath25_halt(void)
+#endif /* __ASM_MACH_ATH25_WAR_H */
--- /dev/null
+++ b/arch/mips/ath25/ar2315_regs.h
-@@ -0,0 +1,480 @@
+@@ -0,0 +1,481 @@
+/*
+ * Register definitions for AR2315+
+ *
+/*
+ * Address map
+ */
-+#define AR2315_SPI_READ 0x08000000 /* SPI FLASH */
++#define AR2315_SPI_READ_BASE 0x08000000 /* SPI flash */
++#define AR2315_SPI_READ_SIZE 0x01000000
+#define AR2315_WLAN0 0x10000000 /* Wireless MMR */
+#define AR2315_PCI 0x10100000 /* PCI MMR */
+#define AR2315_PCI_SIZE 0x00001000
+#endif /* __ASM_MACH_ATH25_AR2315_REGS_H */
--- /dev/null
+++ b/arch/mips/ath25/ar5312_regs.h
-@@ -0,0 +1,227 @@
+@@ -0,0 +1,228 @@
+/*
+ * 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
+#define AR5312_GPIO_BASE 0x1c002000
+#define AR5312_RST_BASE 0x1c003000
+#define AR5312_RST_SIZE 0x00000100
-+#define AR5312_FLASH 0x1e000000
++#define AR5312_FLASH_BASE 0x1e000000
++#define AR5312_FLASH_SIZE 0x00800000
+
+/*
+ * Need these defines to determine true number of ethernet MACs
+#endif /* __ASM_MACH_ATH25_AR5312_REGS_H */
--- /dev/null
+++ b/arch/mips/ath25/ar5312.c
-@@ -0,0 +1,483 @@
+@@ -0,0 +1,478 @@
+/*
+ * 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
+};
+
+static struct resource ar5312_flash_resource = {
-+ .start = AR5312_FLASH,
-+ .end = AR5312_FLASH + 0x800000 - 1,
++ .start = AR5312_FLASH_BASE,
++ .end = AR5312_FLASH_BASE + AR5312_FLASH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+};
+#endif
+
-+/*
-+ * NB: This mapping size is larger than the actual flash size,
-+ * but this shouldn't be a problem here, because the flash
-+ * will simply be mapped multiple times.
-+ */
-+static char __init *ar5312_flash_limit(void)
++static void __init ar5312_flash_init(void)
+{
+ void __iomem *flashctl_base;
+ u32 ctl;
+ __raw_writel(ctl, flashctl_base + AR5312_FLASHCTL2);
+
+ iounmap(flashctl_base);
-+
-+ return (char *)KSEG1ADDR(AR5312_FLASH + 0x800000);
+}
+
+void __init ar5312_init_devices(void)
+ struct ath25_boarddata *config;
+ u8 *c;
+
++ ar5312_flash_init();
++
+ /* Locate board/radio config data */
-+ ath25_find_config(ar5312_flash_limit());
++ ath25_find_config(AR5312_FLASH_BASE, AR5312_FLASH_SIZE);
+ config = ath25_board.config;
+
+ /* AR2313 has CPU minor rev. 10 */
+}
--- /dev/null
+++ b/arch/mips/ath25/ar2315.c
-@@ -0,0 +1,428 @@
+@@ -0,0 +1,418 @@
+/*
+ * 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
+ {
+ .name = "spiflash_read",
+ .flags = IORESOURCE_MEM,
-+ .start = AR2315_SPI_READ,
-+ .end = AR2315_SPI_READ + 0x1000000 - 1,
++ .start = AR2315_SPI_READ_BASE,
++ .end = AR2315_SPI_READ_BASE + AR2315_SPI_READ_SIZE - 1,
+ },
+ {
+ .name = "spiflash_mmr",
+ .num_resources = ARRAY_SIZE(ar2315_wdt_res)
+};
+
-+/*
-+ * NB: We use mapping size that is larger than the actual flash size,
-+ * but this shouldn't be a problem here, because the flash will simply
-+ * be mapped multiple times.
-+ */
-+static u8 __init *ar2315_flash_limit(void)
-+{
-+ return (u8 *)KSEG1ADDR(ar2315_spiflash_res[0].end + 1);
-+}
-+
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led ar2315_leds[6];
+static struct gpio_led_platform_data ar2315_led_data = {
+void __init ar2315_init_devices(void)
+{
+ /* Find board configuration */
-+ ath25_find_config(ar2315_flash_limit());
++ ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE);
+ ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
+
+ ar2315_init_gpio_leds();
+extern struct ar231x_board_config ath25_board;
+extern void (*ath25_irq_dispatch)(void);
+
-+int ath25_find_config(u8 *flash_limit);
++int ath25_find_config(phys_addr_t offset, unsigned long size);
+int ath25_add_ethernet(int nr, u32 base, const char *mii_name, u32 mii_base,
+ int irq, void *pdata);
+void ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk);
projects / openwrt / staging / zorun.git / commitdiff