diff options
| -rw-r--r-- | target/linux/atheros/patches-3.10/100-board.patch | 87 |
1 files changed, 7 insertions, 80 deletions
diff --git a/target/linux/atheros/patches-3.10/100-board.patch b/target/linux/atheros/patches-3.10/100-board.patch index 36d861c3e0..eb927f768a 100644 --- a/target/linux/atheros/patches-3.10/100-board.patch +++ b/target/linux/atheros/patches-3.10/100-board.patch @@ -2152,7 +2152,7 @@ + --- /dev/null +++ b/arch/mips/ar231x/ar2315.c -@@ -0,0 +1,696 @@ +@@ -0,0 +1,623 @@ +/* + * 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 @@ -2546,86 +2546,13 @@ + .name = "ar2315_wdt", +}; + -+#define SPI_FLASH_CTL 0x00 -+#define SPI_FLASH_OPCODE 0x04 -+#define SPI_FLASH_DATA 0x08 -+ -+static inline u32 -+spiflash_read_reg(int reg) -+{ -+ return ar231x_read_reg(AR2315_SPI + reg); -+} -+ -+static inline void -+spiflash_write_reg(int reg, u32 data) -+{ -+ ar231x_write_reg(AR2315_SPI + reg, data); -+} -+ -+static u32 -+spiflash_wait_status(void) -+{ -+ u32 reg; -+ -+ do { -+ reg = spiflash_read_reg(SPI_FLASH_CTL); -+ } while (reg & SPI_CTL_BUSY); -+ -+ return reg; -+} -+ -+static u8 -+spiflash_probe(void) -+{ -+ u32 reg; -+ -+ reg = spiflash_wait_status(); -+ reg &= ~SPI_CTL_TX_RX_CNT_MASK; -+ reg |= (1 << 4) | 4 | SPI_CTL_START; -+ -+ spiflash_write_reg(SPI_FLASH_OPCODE, 0xab); -+ spiflash_write_reg(SPI_FLASH_CTL, reg); -+ -+ reg = spiflash_wait_status(); -+ reg = spiflash_read_reg(SPI_FLASH_DATA); -+ reg &= 0xff; -+ -+ return (u8) reg; -+} -+ -+ -+#define STM_8MBIT_SIGNATURE 0x13 -+#define STM_16MBIT_SIGNATURE 0x14 -+#define STM_32MBIT_SIGNATURE 0x15 -+#define STM_64MBIT_SIGNATURE 0x16 -+#define STM_128MBIT_SIGNATURE 0x17 -+ -+static u8 __init * -+ar2315_flash_limit(void) ++/* ++ * 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) +{ -+ u32 flash_size = 0; -+ -+ /* probe the flash chip size */ -+ switch (spiflash_probe()) { -+ case STM_8MBIT_SIGNATURE: -+ flash_size = 0x00100000; -+ break; -+ case STM_16MBIT_SIGNATURE: -+ flash_size = 0x00200000; -+ break; -+ case STM_32MBIT_SIGNATURE: -+ flash_size = 0x00400000; -+ break; -+ case STM_64MBIT_SIGNATURE: -+ flash_size = 0x00800000; -+ break; -+ case STM_128MBIT_SIGNATURE: -+ flash_size = 0x01000000; -+ break; -+ } -+ -+ ar2315_spiflash_res[0].end = ar2315_spiflash_res[0].start + -+ flash_size - 1; + return (u8 *)ar2315_spiflash_res[0].end + 1; +} + |