diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 19:08:06 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 19:08:06 -0700 |
commit | 411f5c7a502769ccc0377c5ba36cb0b283847ba8 (patch) | |
tree | 2c3a29671e3f923de48c55f94194849264a7bf53 /arch/arm/mach-orion5x/ts78xx-setup.c | |
parent | 6d7ed21d17e640b120b902a314143e5ef4917a70 (diff) | |
parent | 9ced9f03d12d7539e86b0bff5bc750153c976c34 (diff) |
Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (289 commits)
davinci: DM644x EVM: register MUSB device earlier
davinci: add spi devices on tnetv107x evm
davinci: add ssp config for tnetv107x evm board
davinci: add tnetv107x ssp platform device
spi: add ti-ssp spi master driver
mfd: add driver for sequencer serial port
ARM: EXYNOS4: Implement Clock gating for System MMU
ARM: EXYNOS4: Enhancement of System MMU driver
ARM: EXYNOS4: Add support for gpio interrupts
ARM: S5P: Add function to register gpio interrupt bank data
ARM: S5P: Cleanup S5P gpio interrupt code
ARM: EXYNOS4: Add missing GPYx banks
ARM: S3C64XX: Fix section mismatch from cpufreq init
ARM: EXYNOS4: Add keypad device to the SMDKV310
ARM: EXYNOS4: Update clocks for keypad
ARM: EXYNOS4: Update keypad base address
ARM: EXYNOS4: Add keypad device helpers
ARM: EXYNOS4: Add support for SATA on ARMLEX4210
plat-nomadik: make GPIO interrupts work with cpuidle ApSleep
mach-u300: define a dummy filter function for coh901318
...
Fix up various conflicts in
- arch/arm/mach-exynos4/cpufreq.c
- arch/arm/mach-mxs/gpio.c
- drivers/net/Kconfig
- drivers/tty/serial/Kconfig
- drivers/tty/serial/Makefile
- drivers/usb/gadget/fsl_mxc_udc.c
- drivers/video/Kconfig
Diffstat (limited to 'arch/arm/mach-orion5x/ts78xx-setup.c')
-rw-r--r-- | arch/arm/mach-orion5x/ts78xx-setup.c | 78 |
1 files changed, 75 insertions, 3 deletions
diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c index c1c1cd04bdde..8554707d20a9 100644 --- a/arch/arm/mach-orion5x/ts78xx-setup.c +++ b/arch/arm/mach-orion5x/ts78xx-setup.c @@ -191,6 +191,60 @@ static int ts78xx_ts_nand_dev_ready(struct mtd_info *mtd) return readb(TS_NAND_CTRL) & 0x20; } +static void ts78xx_ts_nand_write_buf(struct mtd_info *mtd, + const uint8_t *buf, int len) +{ + struct nand_chip *chip = mtd->priv; + void __iomem *io_base = chip->IO_ADDR_W; + unsigned long off = ((unsigned long)buf & 3); + int sz; + + if (off) { + sz = min_t(int, 4 - off, len); + writesb(io_base, buf, sz); + buf += sz; + len -= sz; + } + + sz = len >> 2; + if (sz) { + u32 *buf32 = (u32 *)buf; + writesl(io_base, buf32, sz); + buf += sz << 2; + len -= sz << 2; + } + + if (len) + writesb(io_base, buf, len); +} + +static void ts78xx_ts_nand_read_buf(struct mtd_info *mtd, + uint8_t *buf, int len) +{ + struct nand_chip *chip = mtd->priv; + void __iomem *io_base = chip->IO_ADDR_R; + unsigned long off = ((unsigned long)buf & 3); + int sz; + + if (off) { + sz = min_t(int, 4 - off, len); + readsb(io_base, buf, sz); + buf += sz; + len -= sz; + } + + sz = len >> 2; + if (sz) { + u32 *buf32 = (u32 *)buf; + readsl(io_base, buf32, sz); + buf += sz << 2; + len -= sz << 2; + } + + if (len) + readsb(io_base, buf, len); +} + const char *ts_nand_part_probes[] = { "cmdlinepart", NULL }; static struct mtd_partition ts78xx_ts_nand_parts[] = { @@ -233,6 +287,8 @@ static struct platform_nand_data ts78xx_ts_nand_data = { */ .cmd_ctrl = ts78xx_ts_nand_cmd_ctrl, .dev_ready = ts78xx_ts_nand_dev_ready, + .write_buf = ts78xx_ts_nand_write_buf, + .read_buf = ts78xx_ts_nand_read_buf, }, }; @@ -334,14 +390,29 @@ static void ts78xx_fpga_supports(void) case TS7800_REV_3: case TS7800_REV_4: case TS7800_REV_5: + case TS7800_REV_6: + case TS7800_REV_7: + case TS7800_REV_8: + case TS7800_REV_9: ts78xx_fpga.supports.ts_rtc.present = 1; ts78xx_fpga.supports.ts_nand.present = 1; ts78xx_fpga.supports.ts_rng.present = 1; break; default: - ts78xx_fpga.supports.ts_rtc.present = 0; - ts78xx_fpga.supports.ts_nand.present = 0; - ts78xx_fpga.supports.ts_rng.present = 0; + /* enable devices if magic matches */ + switch ((ts78xx_fpga.id >> 8) & 0xffffff) { + case TS7800_FPGA_MAGIC: + printk(KERN_WARNING "TS-7800 FPGA: unrecognized revision 0x%.2x\n", + ts78xx_fpga.id & 0xff); + ts78xx_fpga.supports.ts_rtc.present = 1; + ts78xx_fpga.supports.ts_nand.present = 1; + ts78xx_fpga.supports.ts_rng.present = 1; + break; + default: + ts78xx_fpga.supports.ts_rtc.present = 0; + ts78xx_fpga.supports.ts_nand.present = 0; + ts78xx_fpga.supports.ts_rng.present = 0; + } } } @@ -553,6 +624,7 @@ MACHINE_START(TS78XX, "Technologic Systems TS-78xx SBC") .boot_params = 0x00000100, .init_machine = ts78xx_init, .map_io = ts78xx_map_io, + .init_early = orion5x_init_early, .init_irq = orion5x_init_irq, .timer = &orion5x_timer, MACHINE_END |