diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/hw_random/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/char/hw_random/Makefile | 1 | ||||
| -rw-r--r-- | drivers/char/hw_random/bcm63xx-rng.c | 175 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-octeon.c | 92 | ||||
| -rw-r--r-- | drivers/mtd/nand/jz4740_nand.c | 228 | ||||
| -rw-r--r-- | drivers/net/ethernet/octeon/octeon_mgmt.c | 312 | ||||
| -rw-r--r-- | drivers/net/phy/mdio-octeon.c | 92 | ||||
| -rw-r--r-- | drivers/spi/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/spi/Makefile | 1 | ||||
| -rw-r--r-- | drivers/spi/spi-falcon.c | 469 | ||||
| -rw-r--r-- | drivers/staging/octeon/ethernet-mdio.c | 28 | ||||
| -rw-r--r-- | drivers/staging/octeon/ethernet.c | 153 | ||||
| -rw-r--r-- | drivers/staging/octeon/octeon-ethernet.h | 3 |
13 files changed, 1292 insertions, 285 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index f45dad39a18b..6640311ff1c9 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig | |||
| @@ -73,6 +73,20 @@ config HW_RANDOM_ATMEL | |||
| 73 | 73 | ||
| 74 | If unsure, say Y. | 74 | If unsure, say Y. |
| 75 | 75 | ||
| 76 | config HW_RANDOM_BCM63XX | ||
| 77 | tristate "Broadcom BCM63xx Random Number Generator support" | ||
| 78 | depends on HW_RANDOM && BCM63XX | ||
| 79 | default HW_RANDOM | ||
| 80 | ---help--- | ||
| 81 | This driver provides kernel-side support for the Random Number | ||
| 82 | Generator hardware found on the Broadcom BCM63xx SoCs. | ||
| 83 | |||
| 84 | To compile this driver as a module, choose M here: the | ||
| 85 | module will be called bcm63xx-rng | ||
| 86 | |||
| 87 | If unusure, say Y. | ||
| 88 | |||
| 89 | |||
| 76 | config HW_RANDOM_GEODE | 90 | config HW_RANDOM_GEODE |
| 77 | tristate "AMD Geode HW Random Number Generator support" | 91 | tristate "AMD Geode HW Random Number Generator support" |
| 78 | depends on HW_RANDOM && X86_32 && PCI | 92 | depends on HW_RANDOM && X86_32 && PCI |
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index d901dfa30321..67f57bf239e4 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile | |||
| @@ -8,6 +8,7 @@ obj-$(CONFIG_HW_RANDOM_TIMERIOMEM) += timeriomem-rng.o | |||
| 8 | obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o | 8 | obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o |
| 9 | obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o | 9 | obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o |
| 10 | obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o | 10 | obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o |
| 11 | obj-$(CONFIG_HW_RANDOM_BCM63XX) += bcm63xx-rng.o | ||
| 11 | obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o | 12 | obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o |
| 12 | obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o | 13 | obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o |
| 13 | n2-rng-y := n2-drv.o n2-asm.o | 14 | n2-rng-y := n2-drv.o n2-asm.o |
diff --git a/drivers/char/hw_random/bcm63xx-rng.c b/drivers/char/hw_random/bcm63xx-rng.c new file mode 100644 index 000000000000..aec6a4277caa --- /dev/null +++ b/drivers/char/hw_random/bcm63xx-rng.c | |||
| @@ -0,0 +1,175 @@ | |||
| 1 | /* | ||
| 2 | * Broadcom BCM63xx Random Number Generator support | ||
| 3 | * | ||
| 4 | * Copyright (C) 2011, Florian Fainelli <florian@openwrt.org> | ||
| 5 | * Copyright (C) 2009, Broadcom Corporation | ||
| 6 | * | ||
| 7 | */ | ||
| 8 | #include <linux/module.h> | ||
| 9 | #include <linux/slab.h> | ||
| 10 | #include <linux/io.h> | ||
| 11 | #include <linux/err.h> | ||
| 12 | #include <linux/clk.h> | ||
| 13 | #include <linux/platform_device.h> | ||
| 14 | #include <linux/hw_random.h> | ||
| 15 | |||
| 16 | #include <bcm63xx_io.h> | ||
| 17 | #include <bcm63xx_regs.h> | ||
| 18 | |||
| 19 | struct bcm63xx_rng_priv { | ||
| 20 | struct clk *clk; | ||
| 21 | void __iomem *regs; | ||
| 22 | }; | ||
| 23 | |||
| 24 | #define to_rng_priv(rng) ((struct bcm63xx_rng_priv *)rng->priv) | ||
| 25 | |||
| 26 | static int bcm63xx_rng_init(struct hwrng *rng) | ||
| 27 | { | ||
| 28 | struct bcm63xx_rng_priv *priv = to_rng_priv(rng); | ||
| 29 | u32 val; | ||
| 30 | |||
| 31 | val = bcm_readl(priv->regs + RNG_CTRL); | ||
| 32 | val |= RNG_EN; | ||
| 33 | bcm_writel(val, priv->regs + RNG_CTRL); | ||
| 34 | |||
| 35 | return 0; | ||
| 36 | } | ||
| 37 | |||
| 38 | static void bcm63xx_rng_cleanup(struct hwrng *rng) | ||
| 39 | { | ||
| 40 | struct bcm63xx_rng_priv *priv = to_rng_priv(rng); | ||
| 41 | u32 val; | ||
| 42 | |||
| 43 | val = bcm_readl(priv->regs + RNG_CTRL); | ||
| 44 | val &= ~RNG_EN; | ||
| 45 | bcm_writel(val, priv->regs + RNG_CTRL); | ||
| 46 | } | ||
| 47 | |||
| 48 | static int bcm63xx_rng_data_present(struct hwrng *rng, int wait) | ||
| 49 | { | ||
| 50 | struct bcm63xx_rng_priv *priv = to_rng_priv(rng); | ||
| 51 | |||
| 52 | return bcm_readl(priv->regs + RNG_STAT) & RNG_AVAIL_MASK; | ||
| 53 | } | ||
| 54 | |||
| 55 | static int bcm63xx_rng_data_read(struct hwrng *rng, u32 *data) | ||
| 56 | { | ||
| 57 | struct bcm63xx_rng_priv *priv = to_rng_priv(rng); | ||
| 58 | |||
| 59 | *data = bcm_readl(priv->regs + RNG_DATA); | ||
| 60 | |||
| 61 | return 4; | ||
| 62 | } | ||
| 63 | |||
| 64 | static int __devinit bcm63xx_rng_probe(struct platform_device *pdev) | ||
| 65 | { | ||
| 66 | struct resource *r; | ||
| 67 | struct clk *clk; | ||
| 68 | int ret; | ||
| 69 | struct bcm63xx_rng_priv *priv; | ||
| 70 | struct hwrng *rng; | ||
| 71 | |||
| 72 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
| 73 | if (!r) { | ||
| 74 | dev_err(&pdev->dev, "no iomem resource\n"); | ||
| 75 | ret = -ENXIO; | ||
| 76 | goto out; | ||
| 77 | } | ||
| 78 | |||
| 79 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); | ||
| 80 | if (!priv) { | ||
| 81 | dev_err(&pdev->dev, "no memory for private structure\n"); | ||
| 82 | ret = -ENOMEM; | ||
| 83 | goto out; | ||
| 84 | } | ||
| 85 | |||
| 86 | rng = kzalloc(sizeof(*rng), GFP_KERNEL); | ||
| 87 | if (!rng) { | ||
| 88 | dev_err(&pdev->dev, "no memory for rng structure\n"); | ||
| 89 | ret = -ENOMEM; | ||
| 90 | goto out_free_priv; | ||
| 91 | } | ||
| 92 | |||
| 93 | platform_set_drvdata(pdev, rng); | ||
| 94 | rng->priv = (unsigned long)priv; | ||
| 95 | rng->name = pdev->name; | ||
| 96 | rng->init = bcm63xx_rng_init; | ||
| 97 | rng->cleanup = bcm63xx_rng_cleanup; | ||
| 98 | rng->data_present = bcm63xx_rng_data_present; | ||
| 99 | rng->data_read = bcm63xx_rng_data_read; | ||
| 100 | |||
| 101 | clk = clk_get(&pdev->dev, "ipsec"); | ||
| 102 | if (IS_ERR(clk)) { | ||
| 103 | dev_err(&pdev->dev, "no clock for device\n"); | ||
| 104 | ret = PTR_ERR(clk); | ||
| 105 | goto out_free_rng; | ||
| 106 | } | ||
| 107 | |||
| 108 | priv->clk = clk; | ||
| 109 | |||
| 110 | if (!devm_request_mem_region(&pdev->dev, r->start, | ||
| 111 | resource_size(r), pdev->name)) { | ||
| 112 | dev_err(&pdev->dev, "request mem failed"); | ||
| 113 | ret = -ENOMEM; | ||
| 114 | goto out_free_rng; | ||
| 115 | } | ||
| 116 | |||
| 117 | priv->regs = devm_ioremap_nocache(&pdev->dev, r->start, | ||
| 118 | resource_size(r)); | ||
| 119 | if (!priv->regs) { | ||
| 120 | dev_err(&pdev->dev, "ioremap failed"); | ||
| 121 | ret = -ENOMEM; | ||
| 122 | goto out_free_rng; | ||
| 123 | } | ||
| 124 | |||
| 125 | clk_enable(clk); | ||
| 126 | |||
| 127 | ret = hwrng_register(rng); | ||
| 128 | if (ret) { | ||
| 129 | dev_err(&pdev->dev, "failed to register rng device\n"); | ||
| 130 | goto out_clk_disable; | ||
| 131 | } | ||
| 132 | |||
| 133 | dev_info(&pdev->dev, "registered RNG driver\n"); | ||
| 134 | |||
| 135 | return 0; | ||
| 136 | |||
| 137 | out_clk_disable: | ||
| 138 | clk_disable(clk); | ||
| 139 | out_free_rng: | ||
| 140 | platform_set_drvdata(pdev, NULL); | ||
| 141 | kfree(rng); | ||
| 142 | out_free_priv: | ||
| 143 | kfree(priv); | ||
| 144 | out: | ||
| 145 | return ret; | ||
| 146 | } | ||
| 147 | |||
| 148 | static int __devexit bcm63xx_rng_remove(struct platform_device *pdev) | ||
| 149 | { | ||
| 150 | struct hwrng *rng = platform_get_drvdata(pdev); | ||
| 151 | struct bcm63xx_rng_priv *priv = to_rng_priv(rng); | ||
| 152 | |||
| 153 | hwrng_unregister(rng); | ||
| 154 | clk_disable(priv->clk); | ||
| 155 | kfree(priv); | ||
| 156 | kfree(rng); | ||
| 157 | platform_set_drvdata(pdev, NULL); | ||
| 158 | |||
| 159 | return 0; | ||
| 160 | } | ||
| 161 | |||
| 162 | static struct platform_driver bcm63xx_rng_driver = { | ||
| 163 | .probe = bcm63xx_rng_probe, | ||
| 164 | .remove = __devexit_p(bcm63xx_rng_remove), | ||
| 165 | .driver = { | ||
| 166 | .name = "bcm63xx-rng", | ||
| 167 | .owner = THIS_MODULE, | ||
| 168 | }, | ||
| 169 | }; | ||
| 170 | |||
| 171 | module_platform_driver(bcm63xx_rng_driver); | ||
| 172 | |||
| 173 | MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); | ||
| 174 | MODULE_DESCRIPTION("Broadcom BCM63xx RNG driver"); | ||
| 175 | MODULE_LICENSE("GPL"); | ||
diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c index ee139a598814..f44c83549fe5 100644 --- a/drivers/i2c/busses/i2c-octeon.c +++ b/drivers/i2c/busses/i2c-octeon.c | |||
| @@ -2,7 +2,7 @@ | |||
| 2 | * (C) Copyright 2009-2010 | 2 | * (C) Copyright 2009-2010 |
| 3 | * Nokia Siemens Networks, michael.lawnick.ext@nsn.com | 3 | * Nokia Siemens Networks, michael.lawnick.ext@nsn.com |
| 4 | * | 4 | * |
| 5 | * Portions Copyright (C) 2010 Cavium Networks, Inc. | 5 | * Portions Copyright (C) 2010, 2011 Cavium Networks, Inc. |
| 6 | * | 6 | * |
| 7 | * This is a driver for the i2c adapter in Cavium Networks' OCTEON processors. | 7 | * This is a driver for the i2c adapter in Cavium Networks' OCTEON processors. |
| 8 | * | 8 | * |
| @@ -11,17 +11,18 @@ | |||
| 11 | * warranty of any kind, whether express or implied. | 11 | * warranty of any kind, whether express or implied. |
| 12 | */ | 12 | */ |
| 13 | 13 | ||
| 14 | #include <linux/platform_device.h> | ||
| 15 | #include <linux/interrupt.h> | ||
| 14 | #include <linux/kernel.h> | 16 | #include <linux/kernel.h> |
| 15 | #include <linux/module.h> | 17 | #include <linux/module.h> |
| 18 | #include <linux/of_i2c.h> | ||
| 19 | #include <linux/delay.h> | ||
| 16 | #include <linux/sched.h> | 20 | #include <linux/sched.h> |
| 17 | #include <linux/slab.h> | 21 | #include <linux/slab.h> |
| 18 | #include <linux/init.h> | 22 | #include <linux/init.h> |
| 19 | |||
| 20 | #include <linux/io.h> | ||
| 21 | #include <linux/i2c.h> | 23 | #include <linux/i2c.h> |
| 22 | #include <linux/interrupt.h> | 24 | #include <linux/io.h> |
| 23 | #include <linux/delay.h> | 25 | #include <linux/of.h> |
| 24 | #include <linux/platform_device.h> | ||
| 25 | 26 | ||
| 26 | #include <asm/octeon/octeon.h> | 27 | #include <asm/octeon/octeon.h> |
| 27 | 28 | ||
| @@ -65,7 +66,7 @@ struct octeon_i2c { | |||
| 65 | wait_queue_head_t queue; | 66 | wait_queue_head_t queue; |
| 66 | struct i2c_adapter adap; | 67 | struct i2c_adapter adap; |
| 67 | int irq; | 68 | int irq; |
| 68 | int twsi_freq; | 69 | u32 twsi_freq; |
| 69 | int sys_freq; | 70 | int sys_freq; |
| 70 | resource_size_t twsi_phys; | 71 | resource_size_t twsi_phys; |
| 71 | void __iomem *twsi_base; | 72 | void __iomem *twsi_base; |
| @@ -121,10 +122,8 @@ static u8 octeon_i2c_read_sw(struct octeon_i2c *i2c, u64 eop_reg) | |||
| 121 | */ | 122 | */ |
| 122 | static void octeon_i2c_write_int(struct octeon_i2c *i2c, u64 data) | 123 | static void octeon_i2c_write_int(struct octeon_i2c *i2c, u64 data) |
| 123 | { | 124 | { |
| 124 | u64 tmp; | ||
| 125 | |||
| 126 | __raw_writeq(data, i2c->twsi_base + TWSI_INT); | 125 | __raw_writeq(data, i2c->twsi_base + TWSI_INT); |
| 127 | tmp = __raw_readq(i2c->twsi_base + TWSI_INT); | 126 | __raw_readq(i2c->twsi_base + TWSI_INT); |
| 128 | } | 127 | } |
| 129 | 128 | ||
| 130 | /** | 129 | /** |
| @@ -515,7 +514,6 @@ static int __devinit octeon_i2c_probe(struct platform_device *pdev) | |||
| 515 | { | 514 | { |
| 516 | int irq, result = 0; | 515 | int irq, result = 0; |
| 517 | struct octeon_i2c *i2c; | 516 | struct octeon_i2c *i2c; |
| 518 | struct octeon_i2c_data *i2c_data; | ||
| 519 | struct resource *res_mem; | 517 | struct resource *res_mem; |
| 520 | 518 | ||
| 521 | /* All adaptors have an irq. */ | 519 | /* All adaptors have an irq. */ |
| @@ -523,86 +521,90 @@ static int __devinit octeon_i2c_probe(struct platform_device *pdev) | |||
| 523 | if (irq < 0) | 521 | if (irq < 0) |
| 524 | return irq; | 522 | return irq; |
| 525 | 523 | ||
| 526 | i2c = kzalloc(sizeof(*i2c), GFP_KERNEL); | 524 | i2c = devm_kzalloc(&pdev->dev, sizeof(*i2c), GFP_KERNEL); |
| 527 | if (!i2c) { | 525 | if (!i2c) { |
| 528 | dev_err(&pdev->dev, "kzalloc failed\n"); | 526 | dev_err(&pdev->dev, "kzalloc failed\n"); |
| 529 | result = -ENOMEM; | 527 | result = -ENOMEM; |
| 530 | goto out; | 528 | goto out; |
| 531 | } | 529 | } |
| 532 | i2c->dev = &pdev->dev; | 530 | i2c->dev = &pdev->dev; |
| 533 | i2c_data = pdev->dev.platform_data; | ||
| 534 | 531 | ||
| 535 | res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 532 | res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 536 | 533 | ||
| 537 | if (res_mem == NULL) { | 534 | if (res_mem == NULL) { |
| 538 | dev_err(i2c->dev, "found no memory resource\n"); | 535 | dev_err(i2c->dev, "found no memory resource\n"); |
| 539 | result = -ENXIO; | 536 | result = -ENXIO; |
| 540 | goto fail_region; | 537 | goto out; |
| 541 | } | 538 | } |
| 539 | i2c->twsi_phys = res_mem->start; | ||
| 540 | i2c->regsize = resource_size(res_mem); | ||
| 542 | 541 | ||
| 543 | if (i2c_data == NULL) { | 542 | /* |
| 544 | dev_err(i2c->dev, "no I2C frequency data\n"); | 543 | * "clock-rate" is a legacy binding, the official binding is |
| 544 | * "clock-frequency". Try the official one first and then | ||
| 545 | * fall back if it doesn't exist. | ||
| 546 | */ | ||
| 547 | if (of_property_read_u32(pdev->dev.of_node, | ||
| 548 | "clock-frequency", &i2c->twsi_freq) && | ||
| 549 | of_property_read_u32(pdev->dev.of_node, | ||
| 550 | "clock-rate", &i2c->twsi_freq)) { | ||
| 551 | dev_err(i2c->dev, | ||
| 552 | "no I2C 'clock-rate' or 'clock-frequency' property\n"); | ||
| 545 | result = -ENXIO; | 553 | result = -ENXIO; |
| 546 | goto fail_region; | 554 | goto out; |
| 547 | } | 555 | } |
| 548 | 556 | ||
| 549 | i2c->twsi_phys = res_mem->start; | 557 | i2c->sys_freq = octeon_get_io_clock_rate(); |
| 550 | i2c->regsize = resource_size(res_mem); | ||
| 551 | i2c->twsi_freq = i2c_data->i2c_freq; | ||
| 552 | i2c->sys_freq = i2c_data->sys_freq; | ||
| 553 | 558 | ||
| 554 | if (!request_mem_region(i2c->twsi_phys, i2c->regsize, res_mem->name)) { | 559 | if (!devm_request_mem_region(&pdev->dev, i2c->twsi_phys, i2c->regsize, |
| 560 | res_mem->name)) { | ||
| 555 | dev_err(i2c->dev, "request_mem_region failed\n"); | 561 | dev_err(i2c->dev, "request_mem_region failed\n"); |
| 556 | goto fail_region; | 562 | goto out; |
| 557 | } | 563 | } |
| 558 | i2c->twsi_base = ioremap(i2c->twsi_phys, i2c->regsize); | 564 | i2c->twsi_base = devm_ioremap(&pdev->dev, i2c->twsi_phys, i2c->regsize); |
| 559 | 565 | ||
| 560 | init_waitqueue_head(&i2c->queue); | 566 | init_waitqueue_head(&i2c->queue); |
| 561 | 567 | ||
| 562 | i2c->irq = irq; | 568 | i2c->irq = irq; |
| 563 | 569 | ||
| 564 | result = request_irq(i2c->irq, octeon_i2c_isr, 0, DRV_NAME, i2c); | 570 | result = devm_request_irq(&pdev->dev, i2c->irq, |
| 571 | octeon_i2c_isr, 0, DRV_NAME, i2c); | ||
| 565 | if (result < 0) { | 572 | if (result < 0) { |
| 566 | dev_err(i2c->dev, "failed to attach interrupt\n"); | 573 | dev_err(i2c->dev, "failed to attach interrupt\n"); |
| 567 | goto fail_irq; | 574 | goto out; |
| 568 | } | 575 | } |
| 569 | 576 | ||
| 570 | result = octeon_i2c_initlowlevel(i2c); | 577 | result = octeon_i2c_initlowlevel(i2c); |
| 571 | if (result) { | 578 | if (result) { |
| 572 | dev_err(i2c->dev, "init low level failed\n"); | 579 | dev_err(i2c->dev, "init low level failed\n"); |
| 573 | goto fail_add; | 580 | goto out; |
| 574 | } | 581 | } |
| 575 | 582 | ||
| 576 | result = octeon_i2c_setclock(i2c); | 583 | result = octeon_i2c_setclock(i2c); |
| 577 | if (result) { | 584 | if (result) { |
| 578 | dev_err(i2c->dev, "clock init failed\n"); | 585 | dev_err(i2c->dev, "clock init failed\n"); |
| 579 | goto fail_add; | 586 | goto out; |
| 580 | } | 587 | } |
| 581 | 588 | ||
| 582 | i2c->adap = octeon_i2c_ops; | 589 | i2c->adap = octeon_i2c_ops; |
| 583 | i2c->adap.dev.parent = &pdev->dev; | 590 | i2c->adap.dev.parent = &pdev->dev; |
| 584 | i2c->adap.nr = pdev->id >= 0 ? pdev->id : 0; | 591 | i2c->adap.dev.of_node = pdev->dev.of_node; |
| 585 | i2c_set_adapdata(&i2c->adap, i2c); | 592 | i2c_set_adapdata(&i2c->adap, i2c); |
| 586 | platform_set_drvdata(pdev, i2c); | 593 | platform_set_drvdata(pdev, i2c); |
| 587 | 594 | ||
| 588 | result = i2c_add_numbered_adapter(&i2c->adap); | 595 | result = i2c_add_adapter(&i2c->adap); |
| 589 | if (result < 0) { | 596 | if (result < 0) { |
| 590 | dev_err(i2c->dev, "failed to add adapter\n"); | 597 | dev_err(i2c->dev, "failed to add adapter\n"); |
| 591 | goto fail_add; | 598 | goto fail_add; |
| 592 | } | 599 | } |
| 593 | |||
| 594 | dev_info(i2c->dev, "version %s\n", DRV_VERSION); | 600 | dev_info(i2c->dev, "version %s\n", DRV_VERSION); |
| 595 | 601 | ||
| 596 | return result; | 602 | of_i2c_register_devices(&i2c->adap); |
| 603 | |||
| 604 | return 0; | ||
| 597 | 605 | ||
| 598 | fail_add: | 606 | fail_add: |
| 599 | platform_set_drvdata(pdev, NULL); | 607 | platform_set_drvdata(pdev, NULL); |
| 600 | free_irq(i2c->irq, i2c); | ||
| 601 | fail_irq: | ||
| 602 | iounmap(i2c->twsi_base); | ||
| 603 | release_mem_region(i2c->twsi_phys, i2c->regsize); | ||
| 604 | fail_region: | ||
| 605 | kfree(i2c); | ||
| 606 | out: | 608 | out: |
| 607 | return result; | 609 | return result; |
| 608 | }; | 610 | }; |
| @@ -613,19 +615,24 @@ static int __devexit octeon_i2c_remove(struct platform_device *pdev) | |||
| 613 | 615 | ||
| 614 | i2c_del_adapter(&i2c->adap); | 616 | i2c_del_adapter(&i2c->adap); |
| 615 | platform_set_drvdata(pdev, NULL); | 617 | platform_set_drvdata(pdev, NULL); |
| 616 | free_irq(i2c->irq, i2c); | ||
| 617 | iounmap(i2c->twsi_base); | ||
| 618 | release_mem_region(i2c->twsi_phys, i2c->regsize); | ||
| 619 | kfree(i2c); | ||
| 620 | return 0; | 618 | return 0; |
| 621 | }; | 619 | }; |
| 622 | 620 | ||
| 621 | static struct of_device_id octeon_i2c_match[] = { | ||
| 622 | { | ||
| 623 | .compatible = "cavium,octeon-3860-twsi", | ||
| 624 | }, | ||
| 625 | {}, | ||
| 626 | }; | ||
| 627 | MODULE_DEVICE_TABLE(of, octeon_i2c_match); | ||
| 628 | |||
| 623 | static struct platform_driver octeon_i2c_driver = { | 629 | static struct platform_driver octeon_i2c_driver = { |
| 624 | .probe = octeon_i2c_probe, | 630 | .probe = octeon_i2c_probe, |
| 625 | .remove = __devexit_p(octeon_i2c_remove), | 631 | .remove = __devexit_p(octeon_i2c_remove), |
| 626 | .driver = { | 632 | .driver = { |
| 627 | .owner = THIS_MODULE, | 633 | .owner = THIS_MODULE, |
| 628 | .name = DRV_NAME, | 634 | .name = DRV_NAME, |
| 635 | .of_match_table = octeon_i2c_match, | ||
| 629 | }, | 636 | }, |
| 630 | }; | 637 | }; |
| 631 | 638 | ||
| @@ -635,4 +642,3 @@ MODULE_AUTHOR("Michael Lawnick <michael.lawnick.ext@nsn.com>"); | |||
| 635 | MODULE_DESCRIPTION("I2C-Bus adapter for Cavium OCTEON processors"); | 642 | MODULE_DESCRIPTION("I2C-Bus adapter for Cavium OCTEON processors"); |
| 636 | MODULE_LICENSE("GPL"); | 643 | MODULE_LICENSE("GPL"); |
| 637 | MODULE_VERSION(DRV_VERSION); | 644 | MODULE_VERSION(DRV_VERSION); |
| 638 | MODULE_ALIAS("platform:" DRV_NAME); | ||
diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c index a6fa884ae49b..100b6775e175 100644 --- a/drivers/mtd/nand/jz4740_nand.c +++ b/drivers/mtd/nand/jz4740_nand.c | |||
| @@ -52,9 +52,10 @@ | |||
| 52 | 52 | ||
| 53 | #define JZ_NAND_CTRL_ENABLE_CHIP(x) BIT((x) << 1) | 53 | #define JZ_NAND_CTRL_ENABLE_CHIP(x) BIT((x) << 1) |
| 54 | #define JZ_NAND_CTRL_ASSERT_CHIP(x) BIT(((x) << 1) + 1) | 54 | #define JZ_NAND_CTRL_ASSERT_CHIP(x) BIT(((x) << 1) + 1) |
| 55 | #define JZ_NAND_CTRL_ASSERT_CHIP_MASK 0xaa | ||
| 55 | 56 | ||
| 56 | #define JZ_NAND_MEM_ADDR_OFFSET 0x10000 | ||
| 57 | #define JZ_NAND_MEM_CMD_OFFSET 0x08000 | 57 | #define JZ_NAND_MEM_CMD_OFFSET 0x08000 |
| 58 | #define JZ_NAND_MEM_ADDR_OFFSET 0x10000 | ||
| 58 | 59 | ||
| 59 | struct jz_nand { | 60 | struct jz_nand { |
| 60 | struct mtd_info mtd; | 61 | struct mtd_info mtd; |
| @@ -62,8 +63,11 @@ struct jz_nand { | |||
| 62 | void __iomem *base; | 63 | void __iomem *base; |
| 63 | struct resource *mem; | 64 | struct resource *mem; |
| 64 | 65 | ||
| 65 | void __iomem *bank_base; | 66 | unsigned char banks[JZ_NAND_NUM_BANKS]; |
| 66 | struct resource *bank_mem; | 67 | void __iomem *bank_base[JZ_NAND_NUM_BANKS]; |
| 68 | struct resource *bank_mem[JZ_NAND_NUM_BANKS]; | ||
| 69 | |||
| 70 | int selected_bank; | ||
| 67 | 71 | ||
| 68 | struct jz_nand_platform_data *pdata; | 72 | struct jz_nand_platform_data *pdata; |
| 69 | bool is_reading; | 73 | bool is_reading; |
| @@ -74,26 +78,50 @@ static inline struct jz_nand *mtd_to_jz_nand(struct mtd_info *mtd) | |||
| 74 | return container_of(mtd, struct jz_nand, mtd); | 78 | return container_of(mtd, struct jz_nand, mtd); |
| 75 | } | 79 | } |
| 76 | 80 | ||
| 81 | static void jz_nand_select_chip(struct mtd_info *mtd, int chipnr) | ||
| 82 | { | ||
| 83 | struct jz_nand *nand = mtd_to_jz_nand(mtd); | ||
| 84 | struct nand_chip *chip = mtd->priv; | ||
| 85 | uint32_t ctrl; | ||
| 86 | int banknr; | ||
| 87 | |||
| 88 | ctrl = readl(nand->base + JZ_REG_NAND_CTRL); | ||
| 89 | ctrl &= ~JZ_NAND_CTRL_ASSERT_CHIP_MASK; | ||
| 90 | |||
| 91 | if (chipnr == -1) { | ||
| 92 | banknr = -1; | ||
| 93 | } else { | ||
| 94 | banknr = nand->banks[chipnr] - 1; | ||
| 95 | chip->IO_ADDR_R = nand->bank_base[banknr]; | ||
| 96 | chip->IO_ADDR_W = nand->bank_base[banknr]; | ||
| 97 | } | ||
| 98 | writel(ctrl, nand->base + JZ_REG_NAND_CTRL); | ||
| 99 | |||
| 100 | nand->selected_bank = banknr; | ||
| 101 | } | ||
| 102 | |||
| 77 | static void jz_nand_cmd_ctrl(struct mtd_info *mtd, int dat, unsigned int ctrl) | 103 | static void jz_nand_cmd_ctrl(struct mtd_info *mtd, int dat, unsigned int ctrl) |
| 78 | { | 104 | { |
| 79 | struct jz_nand *nand = mtd_to_jz_nand(mtd); | 105 | struct jz_nand *nand = mtd_to_jz_nand(mtd); |
| 80 | struct nand_chip *chip = mtd->priv; | 106 | struct nand_chip *chip = mtd->priv; |
| 81 | uint32_t reg; | 107 | uint32_t reg; |
| 108 | void __iomem *bank_base = nand->bank_base[nand->selected_bank]; | ||
| 109 | |||
| 110 | BUG_ON(nand->selected_bank < 0); | ||
| 82 | 111 | ||
| 83 | if (ctrl & NAND_CTRL_CHANGE) { | 112 | if (ctrl & NAND_CTRL_CHANGE) { |
| 84 | BUG_ON((ctrl & NAND_ALE) && (ctrl & NAND_CLE)); | 113 | BUG_ON((ctrl & NAND_ALE) && (ctrl & NAND_CLE)); |
| 85 | if (ctrl & NAND_ALE) | 114 | if (ctrl & NAND_ALE) |
| 86 | chip->IO_ADDR_W = nand->bank_base + JZ_NAND_MEM_ADDR_OFFSET; | 115 | bank_base += JZ_NAND_MEM_ADDR_OFFSET; |
| 87 | else if (ctrl & NAND_CLE) | 116 | else if (ctrl & NAND_CLE) |
| 88 | chip->IO_ADDR_W = nand->bank_base + JZ_NAND_MEM_CMD_OFFSET; | 117 | bank_base += JZ_NAND_MEM_CMD_OFFSET; |
| 89 | else | 118 | chip->IO_ADDR_W = bank_base; |
| 90 | chip->IO_ADDR_W = nand->bank_base; | ||
| 91 | 119 | ||
| 92 | reg = readl(nand->base + JZ_REG_NAND_CTRL); | 120 | reg = readl(nand->base + JZ_REG_NAND_CTRL); |
| 93 | if (ctrl & NAND_NCE) | 121 | if (ctrl & NAND_NCE) |
| 94 | reg |= JZ_NAND_CTRL_ASSERT_CHIP(0); | 122 | reg |= JZ_NAND_CTRL_ASSERT_CHIP(nand->selected_bank); |
| 95 | else | 123 | else |
| 96 | reg &= ~JZ_NAND_CTRL_ASSERT_CHIP(0); | 124 | reg &= ~JZ_NAND_CTRL_ASSERT_CHIP(nand->selected_bank); |
| 97 | writel(reg, nand->base + JZ_REG_NAND_CTRL); | 125 | writel(reg, nand->base + JZ_REG_NAND_CTRL); |
| 98 | } | 126 | } |
| 99 | if (dat != NAND_CMD_NONE) | 127 | if (dat != NAND_CMD_NONE) |
| @@ -252,7 +280,7 @@ static int jz_nand_correct_ecc_rs(struct mtd_info *mtd, uint8_t *dat, | |||
| 252 | } | 280 | } |
| 253 | 281 | ||
| 254 | static int jz_nand_ioremap_resource(struct platform_device *pdev, | 282 | static int jz_nand_ioremap_resource(struct platform_device *pdev, |
| 255 | const char *name, struct resource **res, void __iomem **base) | 283 | const char *name, struct resource **res, void *__iomem *base) |
| 256 | { | 284 | { |
| 257 | int ret; | 285 | int ret; |
| 258 | 286 | ||
| @@ -288,6 +316,90 @@ err: | |||
| 288 | return ret; | 316 | return ret; |
| 289 | } | 317 | } |
| 290 | 318 | ||
| 319 | static inline void jz_nand_iounmap_resource(struct resource *res, void __iomem *base) | ||
| 320 | { | ||
| 321 | iounmap(base); | ||
| 322 | release_mem_region(res->start, resource_size(res)); | ||
| 323 | } | ||
| 324 | |||
| 325 | static int __devinit jz_nand_detect_bank(struct platform_device *pdev, struct jz_nand *nand, unsigned char bank, size_t chipnr, uint8_t *nand_maf_id, uint8_t *nand_dev_id) { | ||
| 326 | int ret; | ||
| 327 | int gpio; | ||
| 328 | char gpio_name[9]; | ||
| 329 | char res_name[6]; | ||
| 330 | uint32_t ctrl; | ||
| 331 | struct mtd_info *mtd = &nand->mtd; | ||
| 332 | struct nand_chip *chip = &nand->chip; | ||
| 333 | |||
| 334 | /* Request GPIO port. */ | ||
| 335 | gpio = JZ_GPIO_MEM_CS0 + bank - 1; | ||
| 336 | sprintf(gpio_name, "NAND CS%d", bank); | ||
| 337 | ret = gpio_request(gpio, gpio_name); | ||
| 338 | if (ret) { | ||
| 339 | dev_warn(&pdev->dev, | ||
| 340 | "Failed to request %s gpio %d: %d\n", | ||
| 341 | gpio_name, gpio, ret); | ||
| 342 | goto notfound_gpio; | ||
| 343 | } | ||
| 344 | |||
| 345 | /* Request I/O resource. */ | ||
| 346 | sprintf(res_name, "bank%d", bank); | ||
| 347 | ret = jz_nand_ioremap_resource(pdev, res_name, | ||
| 348 | &nand->bank_mem[bank - 1], | ||
| 349 | &nand->bank_base[bank - 1]); | ||
| 350 | if (ret) | ||
| 351 | goto notfound_resource; | ||
| 352 | |||
| 353 | /* Enable chip in bank. */ | ||
| 354 | jz_gpio_set_function(gpio, JZ_GPIO_FUNC_MEM_CS0); | ||
| 355 | ctrl = readl(nand->base + JZ_REG_NAND_CTRL); | ||
| 356 | ctrl |= JZ_NAND_CTRL_ENABLE_CHIP(bank - 1); | ||
| 357 | writel(ctrl, nand->base + JZ_REG_NAND_CTRL); | ||
| 358 | |||
| 359 | if (chipnr == 0) { | ||
| 360 | /* Detect first chip. */ | ||
| 361 | ret = nand_scan_ident(mtd, 1, NULL); | ||
| 362 | if (ret) | ||
| 363 | goto notfound_id; | ||
| 364 | |||
| 365 | /* Retrieve the IDs from the first chip. */ | ||
| 366 | chip->select_chip(mtd, 0); | ||
| 367 | chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); | ||
| 368 | chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); | ||
| 369 | *nand_maf_id = chip->read_byte(mtd); | ||
| 370 | *nand_dev_id = chip->read_byte(mtd); | ||
| 371 | } else { | ||
| 372 | /* Detect additional chip. */ | ||
| 373 | chip->select_chip(mtd, chipnr); | ||
| 374 | chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); | ||
| 375 | chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); | ||
| 376 | if (*nand_maf_id != chip->read_byte(mtd) | ||
| 377 | || *nand_dev_id != chip->read_byte(mtd)) { | ||
| 378 | ret = -ENODEV; | ||
| 379 | goto notfound_id; | ||
| 380 | } | ||
| 381 | |||
| 382 | /* Update size of the MTD. */ | ||
| 383 | chip->numchips++; | ||
| 384 | mtd->size += chip->chipsize; | ||
| 385 | } | ||
| 386 | |||
| 387 | dev_info(&pdev->dev, "Found chip %i on bank %i\n", chipnr, bank); | ||
| 388 | return 0; | ||
| 389 | |||
| 390 | notfound_id: | ||
| 391 | dev_info(&pdev->dev, "No chip found on bank %i\n", bank); | ||
| 392 | ctrl &= ~(JZ_NAND_CTRL_ENABLE_CHIP(bank - 1)); | ||
| 393 | writel(ctrl, nand->base + JZ_REG_NAND_CTRL); | ||
| 394 | jz_gpio_set_function(gpio, JZ_GPIO_FUNC_NONE); | ||
| 395 | jz_nand_iounmap_resource(nand->bank_mem[bank - 1], | ||
| 396 | nand->bank_base[bank - 1]); | ||
| 397 | notfound_resource: | ||
| 398 | gpio_free(gpio); | ||
| 399 | notfound_gpio: | ||
| 400 | return ret; | ||
| 401 | } | ||
| 402 | |||
| 291 | static int __devinit jz_nand_probe(struct platform_device *pdev) | 403 | static int __devinit jz_nand_probe(struct platform_device *pdev) |
| 292 | { | 404 | { |
| 293 | int ret; | 405 | int ret; |
| @@ -295,6 +407,8 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) | |||
| 295 | struct nand_chip *chip; | 407 | struct nand_chip *chip; |
| 296 | struct mtd_info *mtd; | 408 | struct mtd_info *mtd; |
| 297 | struct jz_nand_platform_data *pdata = pdev->dev.platform_data; | 409 | struct jz_nand_platform_data *pdata = pdev->dev.platform_data; |
| 410 | size_t chipnr, bank_idx; | ||
| 411 | uint8_t nand_maf_id = 0, nand_dev_id = 0; | ||
| 298 | 412 | ||
| 299 | nand = kzalloc(sizeof(*nand), GFP_KERNEL); | 413 | nand = kzalloc(sizeof(*nand), GFP_KERNEL); |
| 300 | if (!nand) { | 414 | if (!nand) { |
| @@ -305,10 +419,6 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) | |||
| 305 | ret = jz_nand_ioremap_resource(pdev, "mmio", &nand->mem, &nand->base); | 419 | ret = jz_nand_ioremap_resource(pdev, "mmio", &nand->mem, &nand->base); |
| 306 | if (ret) | 420 | if (ret) |
| 307 | goto err_free; | 421 | goto err_free; |
| 308 | ret = jz_nand_ioremap_resource(pdev, "bank", &nand->bank_mem, | ||
| 309 | &nand->bank_base); | ||
| 310 | if (ret) | ||
| 311 | goto err_iounmap_mmio; | ||
| 312 | 422 | ||
| 313 | if (pdata && gpio_is_valid(pdata->busy_gpio)) { | 423 | if (pdata && gpio_is_valid(pdata->busy_gpio)) { |
| 314 | ret = gpio_request(pdata->busy_gpio, "NAND busy pin"); | 424 | ret = gpio_request(pdata->busy_gpio, "NAND busy pin"); |
| @@ -316,7 +426,7 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) | |||
| 316 | dev_err(&pdev->dev, | 426 | dev_err(&pdev->dev, |
| 317 | "Failed to request busy gpio %d: %d\n", | 427 | "Failed to request busy gpio %d: %d\n", |
| 318 | pdata->busy_gpio, ret); | 428 | pdata->busy_gpio, ret); |
| 319 | goto err_iounmap_mem; | 429 | goto err_iounmap_mmio; |
| 320 | } | 430 | } |
| 321 | } | 431 | } |
| 322 | 432 | ||
| @@ -339,22 +449,51 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) | |||
| 339 | 449 | ||
| 340 | chip->chip_delay = 50; | 450 | chip->chip_delay = 50; |
| 341 | chip->cmd_ctrl = jz_nand_cmd_ctrl; | 451 | chip->cmd_ctrl = jz_nand_cmd_ctrl; |
| 452 | chip->select_chip = jz_nand_select_chip; | ||
| 342 | 453 | ||
| 343 | if (pdata && gpio_is_valid(pdata->busy_gpio)) | 454 | if (pdata && gpio_is_valid(pdata->busy_gpio)) |
| 344 | chip->dev_ready = jz_nand_dev_ready; | 455 | chip->dev_ready = jz_nand_dev_ready; |
| 345 | 456 | ||
| 346 | chip->IO_ADDR_R = nand->bank_base; | ||
| 347 | chip->IO_ADDR_W = nand->bank_base; | ||
| 348 | |||
| 349 | nand->pdata = pdata; | 457 | nand->pdata = pdata; |
| 350 | platform_set_drvdata(pdev, nand); | 458 | platform_set_drvdata(pdev, nand); |
| 351 | 459 | ||
| 352 | writel(JZ_NAND_CTRL_ENABLE_CHIP(0), nand->base + JZ_REG_NAND_CTRL); | 460 | /* We are going to autodetect NAND chips in the banks specified in the |
| 353 | 461 | * platform data. Although nand_scan_ident() can detect multiple chips, | |
| 354 | ret = nand_scan_ident(mtd, 1, NULL); | 462 | * it requires those chips to be numbered consecuitively, which is not |
| 355 | if (ret) { | 463 | * always the case for external memory banks. And a fixed chip-to-bank |
| 356 | dev_err(&pdev->dev, "Failed to scan nand\n"); | 464 | * mapping is not practical either, since for example Dingoo units |
| 357 | goto err_gpio_free; | 465 | * produced at different times have NAND chips in different banks. |
| 466 | */ | ||
| 467 | chipnr = 0; | ||
| 468 | for (bank_idx = 0; bank_idx < JZ_NAND_NUM_BANKS; bank_idx++) { | ||
| 469 | unsigned char bank; | ||
| 470 | |||
| 471 | /* If there is no platform data, look for NAND in bank 1, | ||
| 472 | * which is the most likely bank since it is the only one | ||
| 473 | * that can be booted from. | ||
| 474 | */ | ||
| 475 | bank = pdata ? pdata->banks[bank_idx] : bank_idx ^ 1; | ||
| 476 | if (bank == 0) | ||
| 477 | break; | ||
| 478 | if (bank > JZ_NAND_NUM_BANKS) { | ||
| 479 | dev_warn(&pdev->dev, | ||
| 480 | "Skipping non-existing bank: %d\n", bank); | ||
| 481 | continue; | ||
| 482 | } | ||
| 483 | /* The detection routine will directly or indirectly call | ||
| 484 | * jz_nand_select_chip(), so nand->banks has to contain the | ||
| 485 | * bank we're checking. | ||
| 486 | */ | ||
| 487 | nand->banks[chipnr] = bank; | ||
| 488 | if (jz_nand_detect_bank(pdev, nand, bank, chipnr, | ||
| 489 | &nand_maf_id, &nand_dev_id) == 0) | ||
| 490 | chipnr++; | ||
| 491 | else | ||
| 492 | nand->banks[chipnr] = 0; | ||
| 493 | } | ||
| 494 | if (chipnr == 0) { | ||
| 495 | dev_err(&pdev->dev, "No NAND chips found\n"); | ||
| 496 | goto err_gpio_busy; | ||
| 358 | } | 497 | } |
| 359 | 498 | ||
| 360 | if (pdata && pdata->ident_callback) { | 499 | if (pdata && pdata->ident_callback) { |
| @@ -364,8 +503,8 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) | |||
| 364 | 503 | ||
| 365 | ret = nand_scan_tail(mtd); | 504 | ret = nand_scan_tail(mtd); |
| 366 | if (ret) { | 505 | if (ret) { |
| 367 | dev_err(&pdev->dev, "Failed to scan nand\n"); | 506 | dev_err(&pdev->dev, "Failed to scan NAND\n"); |
| 368 | goto err_gpio_free; | 507 | goto err_unclaim_banks; |
| 369 | } | 508 | } |
| 370 | 509 | ||
| 371 | ret = mtd_device_parse_register(mtd, NULL, NULL, | 510 | ret = mtd_device_parse_register(mtd, NULL, NULL, |
| @@ -382,14 +521,21 @@ static int __devinit jz_nand_probe(struct platform_device *pdev) | |||
| 382 | return 0; | 521 | return 0; |
| 383 | 522 | ||
| 384 | err_nand_release: | 523 | err_nand_release: |
| 385 | nand_release(&nand->mtd); | 524 | nand_release(mtd); |
| 386 | err_gpio_free: | 525 | err_unclaim_banks: |
| 526 | while (chipnr--) { | ||
| 527 | unsigned char bank = nand->banks[chipnr]; | ||
| 528 | gpio_free(JZ_GPIO_MEM_CS0 + bank - 1); | ||
| 529 | jz_nand_iounmap_resource(nand->bank_mem[bank - 1], | ||
| 530 | nand->bank_base[bank - 1]); | ||
| 531 | } | ||
| 532 | writel(0, nand->base + JZ_REG_NAND_CTRL); | ||
| 533 | err_gpio_busy: | ||
| 534 | if (pdata && gpio_is_valid(pdata->busy_gpio)) | ||
| 535 | gpio_free(pdata->busy_gpio); | ||
| 387 | platform_set_drvdata(pdev, NULL); | 536 | platform_set_drvdata(pdev, NULL); |
| 388 | gpio_free(pdata->busy_gpio); | ||
| 389 | err_iounmap_mem: | ||
| 390 | iounmap(nand->bank_base); | ||
| 391 | err_iounmap_mmio: | 537 | err_iounmap_mmio: |
| 392 | iounmap(nand->base); | 538 | jz_nand_iounmap_resource(nand->mem, nand->base); |
| 393 | err_free: | 539 | err_free: |
| 394 | kfree(nand); | 540 | kfree(nand); |
| 395 | return ret; | 541 | return ret; |
| @@ -398,16 +544,26 @@ err_free: | |||
| 398 | static int __devexit jz_nand_remove(struct platform_device *pdev) | 544 | static int __devexit jz_nand_remove(struct platform_device *pdev) |
| 399 | { | 545 | { |
| 400 | struct jz_nand *nand = platform_get_drvdata(pdev); | 546 | struct jz_nand *nand = platform_get_drvdata(pdev); |
| 547 | struct jz_nand_platform_data *pdata = pdev->dev.platform_data; | ||
| 548 | size_t i; | ||
| 401 | 549 | ||
| 402 | nand_release(&nand->mtd); | 550 | nand_release(&nand->mtd); |
| 403 | 551 | ||
| 404 | /* Deassert and disable all chips */ | 552 | /* Deassert and disable all chips */ |
| 405 | writel(0, nand->base + JZ_REG_NAND_CTRL); | 553 | writel(0, nand->base + JZ_REG_NAND_CTRL); |
| 406 | 554 | ||
| 407 | iounmap(nand->bank_base); | 555 | for (i = 0; i < JZ_NAND_NUM_BANKS; ++i) { |
| 408 | release_mem_region(nand->bank_mem->start, resource_size(nand->bank_mem)); | 556 | unsigned char bank = nand->banks[i]; |
| 409 | iounmap(nand->base); | 557 | if (bank != 0) { |
| 410 | release_mem_region(nand->mem->start, resource_size(nand->mem)); | 558 | jz_nand_iounmap_resource(nand->bank_mem[bank - 1], |
| 559 | nand->bank_base[bank - 1]); | ||
| 560 | gpio_free(JZ_GPIO_MEM_CS0 + bank - 1); | ||
| 561 | } | ||
| 562 | } | ||
| 563 | if (pdata && gpio_is_valid(pdata->busy_gpio)) | ||
| 564 | gpio_free(pdata->busy_gpio); | ||
| 565 | |||
| 566 | jz_nand_iounmap_resource(nand->mem, nand->base); | ||
| 411 | 567 | ||
| 412 | platform_set_drvdata(pdev, NULL); | 568 | platform_set_drvdata(pdev, NULL); |
| 413 | kfree(nand); | 569 | kfree(nand); |
diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c index cd827ff4a021..c42bbb16cdae 100644 --- a/drivers/net/ethernet/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/octeon/octeon_mgmt.c | |||
| @@ -6,19 +6,21 @@ | |||
| 6 | * Copyright (C) 2009 Cavium Networks | 6 | * Copyright (C) 2009 Cavium Networks |
| 7 | */ | 7 | */ |
| 8 | 8 | ||
| 9 | #include <linux/capability.h> | 9 | #include <linux/platform_device.h> |
| 10 | #include <linux/dma-mapping.h> | 10 | #include <linux/dma-mapping.h> |
| 11 | #include <linux/init.h> | 11 | #include <linux/etherdevice.h> |
| 12 | #include <linux/module.h> | 12 | #include <linux/capability.h> |
| 13 | #include <linux/interrupt.h> | 13 | #include <linux/interrupt.h> |
| 14 | #include <linux/platform_device.h> | ||
| 15 | #include <linux/netdevice.h> | 14 | #include <linux/netdevice.h> |
| 16 | #include <linux/etherdevice.h> | 15 | #include <linux/spinlock.h> |
| 17 | #include <linux/if.h> | ||
| 18 | #include <linux/if_vlan.h> | 16 | #include <linux/if_vlan.h> |
| 17 | #include <linux/of_mdio.h> | ||
| 18 | #include <linux/module.h> | ||
| 19 | #include <linux/of_net.h> | ||
| 20 | #include <linux/init.h> | ||
| 19 | #include <linux/slab.h> | 21 | #include <linux/slab.h> |
| 20 | #include <linux/phy.h> | 22 | #include <linux/phy.h> |
| 21 | #include <linux/spinlock.h> | 23 | #include <linux/io.h> |
| 22 | 24 | ||
| 23 | #include <asm/octeon/octeon.h> | 25 | #include <asm/octeon/octeon.h> |
| 24 | #include <asm/octeon/cvmx-mixx-defs.h> | 26 | #include <asm/octeon/cvmx-mixx-defs.h> |
| @@ -58,8 +60,56 @@ union mgmt_port_ring_entry { | |||
| 58 | } s; | 60 | } s; |
| 59 | }; | 61 | }; |
| 60 | 62 | ||
| 63 | #define MIX_ORING1 0x0 | ||
| 64 | #define MIX_ORING2 0x8 | ||
| 65 | #define MIX_IRING1 0x10 | ||
| 66 | #define MIX_IRING2 0x18 | ||
| 67 | #define MIX_CTL 0x20 | ||
| 68 | #define MIX_IRHWM 0x28 | ||
| 69 | #define MIX_IRCNT 0x30 | ||
| 70 | #define MIX_ORHWM 0x38 | ||
| 71 | #define MIX_ORCNT 0x40 | ||
| 72 | #define MIX_ISR 0x48 | ||
| 73 | #define MIX_INTENA 0x50 | ||
| 74 | #define MIX_REMCNT 0x58 | ||
| 75 | #define MIX_BIST 0x78 | ||
| 76 | |||
| 77 | #define AGL_GMX_PRT_CFG 0x10 | ||
| 78 | #define AGL_GMX_RX_FRM_CTL 0x18 | ||
| 79 | #define AGL_GMX_RX_FRM_MAX 0x30 | ||
| 80 | #define AGL_GMX_RX_JABBER 0x38 | ||
| 81 | #define AGL_GMX_RX_STATS_CTL 0x50 | ||
| 82 | |||
| 83 | #define AGL_GMX_RX_STATS_PKTS_DRP 0xb0 | ||
| 84 | #define AGL_GMX_RX_STATS_OCTS_DRP 0xb8 | ||
| 85 | #define AGL_GMX_RX_STATS_PKTS_BAD 0xc0 | ||
| 86 | |||
| 87 | #define AGL_GMX_RX_ADR_CTL 0x100 | ||
| 88 | #define AGL_GMX_RX_ADR_CAM_EN 0x108 | ||
| 89 | #define AGL_GMX_RX_ADR_CAM0 0x180 | ||
| 90 | #define AGL_GMX_RX_ADR_CAM1 0x188 | ||
| 91 | #define AGL_GMX_RX_ADR_CAM2 0x190 | ||
| 92 | #define AGL_GMX_RX_ADR_CAM3 0x198 | ||
| 93 | #define AGL_GMX_RX_ADR_CAM4 0x1a0 | ||
| 94 | #define AGL_GMX_RX_ADR_CAM5 0x1a8 | ||
| 95 | |||
| 96 | #define AGL_GMX_TX_STATS_CTL 0x268 | ||
| 97 | #define AGL_GMX_TX_CTL 0x270 | ||
| 98 | #define AGL_GMX_TX_STAT0 0x280 | ||
| 99 | #define AGL_GMX_TX_STAT1 0x288 | ||
| 100 | #define AGL_GMX_TX_STAT2 0x290 | ||
| 101 | #define AGL_GMX_TX_STAT3 0x298 | ||
| 102 | #define AGL_GMX_TX_STAT4 0x2a0 | ||
| 103 | #define AGL_GMX_TX_STAT5 0x2a8 | ||
| 104 | #define AGL_GMX_TX_STAT6 0x2b0 | ||
| 105 | #define AGL_GMX_TX_STAT7 0x2b8 | ||
| 106 | #define AGL_GMX_TX_STAT8 0x2c0 | ||
| 107 | #define AGL_GMX_TX_STAT9 0x2c8 | ||
| 108 | |||
| 61 | struct octeon_mgmt { | 109 | struct octeon_mgmt { |
| 62 | struct net_device *netdev; | 110 | struct net_device *netdev; |
| 111 | u64 mix; | ||
| 112 | u64 agl; | ||
| 63 | int port; | 113 | int port; |
| 64 | int irq; | 114 | int irq; |
| 65 | u64 *tx_ring; | 115 | u64 *tx_ring; |
| @@ -85,31 +135,34 @@ struct octeon_mgmt { | |||
| 85 | struct napi_struct napi; | 135 | struct napi_struct napi; |
| 86 | struct tasklet_struct tx_clean_tasklet; | 136 | struct tasklet_struct tx_clean_tasklet; |
| 87 | struct phy_device *phydev; | 137 | struct phy_device *phydev; |
| 138 | struct device_node *phy_np; | ||
| 139 | resource_size_t mix_phys; | ||
| 140 | resource_size_t mix_size; | ||
| 141 | resource_size_t agl_phys; | ||
| 142 | resource_size_t agl_size; | ||
| 88 | }; | 143 | }; |
| 89 | 144 | ||
| 90 | static void octeon_mgmt_set_rx_irq(struct octeon_mgmt *p, int enable) | 145 | static void octeon_mgmt_set_rx_irq(struct octeon_mgmt *p, int enable) |
| 91 | { | 146 | { |
| 92 | int port = p->port; | ||
| 93 | union cvmx_mixx_intena mix_intena; | 147 | union cvmx_mixx_intena mix_intena; |
| 94 | unsigned long flags; | 148 | unsigned long flags; |
| 95 | 149 | ||
| 96 | spin_lock_irqsave(&p->lock, flags); | 150 | spin_lock_irqsave(&p->lock, flags); |
| 97 | mix_intena.u64 = cvmx_read_csr(CVMX_MIXX_INTENA(port)); | 151 | mix_intena.u64 = cvmx_read_csr(p->mix + MIX_INTENA); |
| 98 | mix_intena.s.ithena = enable ? 1 : 0; | 152 | mix_intena.s.ithena = enable ? 1 : 0; |
| 99 | cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); | 153 | cvmx_write_csr(p->mix + MIX_INTENA, mix_intena.u64); |
| 100 | spin_unlock_irqrestore(&p->lock, flags); | 154 | spin_unlock_irqrestore(&p->lock, flags); |
| 101 | } | 155 | } |
| 102 | 156 | ||
| 103 | static void octeon_mgmt_set_tx_irq(struct octeon_mgmt *p, int enable) | 157 | static void octeon_mgmt_set_tx_irq(struct octeon_mgmt *p, int enable) |
| 104 | { | 158 | { |
| 105 | int port = p->port; | ||
| 106 | union cvmx_mixx_intena mix_intena; | 159 | union cvmx_mixx_intena mix_intena; |
| 107 | unsigned long flags; | 160 | unsigned long flags; |
| 108 | 161 | ||
| 109 | spin_lock_irqsave(&p->lock, flags); | 162 | spin_lock_irqsave(&p->lock, flags); |
| 110 | mix_intena.u64 = cvmx_read_csr(CVMX_MIXX_INTENA(port)); | 163 | mix_intena.u64 = cvmx_read_csr(p->mix + MIX_INTENA); |
| 111 | mix_intena.s.othena = enable ? 1 : 0; | 164 | mix_intena.s.othena = enable ? 1 : 0; |
| 112 | cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); | 165 | cvmx_write_csr(p->mix + MIX_INTENA, mix_intena.u64); |
| 113 | spin_unlock_irqrestore(&p->lock, flags); | 166 | spin_unlock_irqrestore(&p->lock, flags); |
| 114 | } | 167 | } |
| 115 | 168 | ||
| @@ -146,7 +199,6 @@ static unsigned int ring_size_to_bytes(unsigned int ring_size) | |||
| 146 | static void octeon_mgmt_rx_fill_ring(struct net_device *netdev) | 199 | static void octeon_mgmt_rx_fill_ring(struct net_device *netdev) |
| 147 | { | 200 | { |
| 148 | struct octeon_mgmt *p = netdev_priv(netdev); | 201 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 149 | int port = p->port; | ||
| 150 | 202 | ||
| 151 | while (p->rx_current_fill < ring_max_fill(OCTEON_MGMT_RX_RING_SIZE)) { | 203 | while (p->rx_current_fill < ring_max_fill(OCTEON_MGMT_RX_RING_SIZE)) { |
| 152 | unsigned int size; | 204 | unsigned int size; |
| @@ -177,24 +229,23 @@ static void octeon_mgmt_rx_fill_ring(struct net_device *netdev) | |||
| 177 | (p->rx_next_fill + 1) % OCTEON_MGMT_RX_RING_SIZE; | 229 | (p->rx_next_fill + 1) % OCTEON_MGMT_RX_RING_SIZE; |
| 178 | p->rx_current_fill++; | 230 | p->rx_current_fill++; |
| 179 | /* Ring the bell. */ | 231 | /* Ring the bell. */ |
| 180 | cvmx_write_csr(CVMX_MIXX_IRING2(port), 1); | 232 | cvmx_write_csr(p->mix + MIX_IRING2, 1); |
| 181 | } | 233 | } |
| 182 | } | 234 | } |
| 183 | 235 | ||
| 184 | static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) | 236 | static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) |
| 185 | { | 237 | { |
| 186 | int port = p->port; | ||
| 187 | union cvmx_mixx_orcnt mix_orcnt; | 238 | union cvmx_mixx_orcnt mix_orcnt; |
| 188 | union mgmt_port_ring_entry re; | 239 | union mgmt_port_ring_entry re; |
| 189 | struct sk_buff *skb; | 240 | struct sk_buff *skb; |
| 190 | int cleaned = 0; | 241 | int cleaned = 0; |
| 191 | unsigned long flags; | 242 | unsigned long flags; |
| 192 | 243 | ||
| 193 | mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port)); | 244 | mix_orcnt.u64 = cvmx_read_csr(p->mix + MIX_ORCNT); |
| 194 | while (mix_orcnt.s.orcnt) { | 245 | while (mix_orcnt.s.orcnt) { |
| 195 | spin_lock_irqsave(&p->tx_list.lock, flags); | 246 | spin_lock_irqsave(&p->tx_list.lock, flags); |
| 196 | 247 | ||
| 197 | mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port)); | 248 | mix_orcnt.u64 = cvmx_read_csr(p->mix + MIX_ORCNT); |
| 198 | 249 | ||
| 199 | if (mix_orcnt.s.orcnt == 0) { | 250 | if (mix_orcnt.s.orcnt == 0) { |
| 200 | spin_unlock_irqrestore(&p->tx_list.lock, flags); | 251 | spin_unlock_irqrestore(&p->tx_list.lock, flags); |
| @@ -214,7 +265,7 @@ static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) | |||
| 214 | mix_orcnt.s.orcnt = 1; | 265 | mix_orcnt.s.orcnt = 1; |
| 215 | 266 | ||
| 216 | /* Acknowledge to hardware that we have the buffer. */ | 267 | /* Acknowledge to hardware that we have the buffer. */ |
| 217 | cvmx_write_csr(CVMX_MIXX_ORCNT(port), mix_orcnt.u64); | 268 | cvmx_write_csr(p->mix + MIX_ORCNT, mix_orcnt.u64); |
| 218 | p->tx_current_fill--; | 269 | p->tx_current_fill--; |
| 219 | 270 | ||
| 220 | spin_unlock_irqrestore(&p->tx_list.lock, flags); | 271 | spin_unlock_irqrestore(&p->tx_list.lock, flags); |
| @@ -224,7 +275,7 @@ static void octeon_mgmt_clean_tx_buffers(struct octeon_mgmt *p) | |||
| 224 | dev_kfree_skb_any(skb); | 275 | dev_kfree_skb_any(skb); |
| 225 | cleaned++; | 276 | cleaned++; |
| 226 | 277 | ||
| 227 | mix_orcnt.u64 = cvmx_read_csr(CVMX_MIXX_ORCNT(port)); | 278 | mix_orcnt.u64 = cvmx_read_csr(p->mix + MIX_ORCNT); |
| 228 | } | 279 | } |
| 229 | 280 | ||
| 230 | if (cleaned && netif_queue_stopped(p->netdev)) | 281 | if (cleaned && netif_queue_stopped(p->netdev)) |
| @@ -241,13 +292,12 @@ static void octeon_mgmt_clean_tx_tasklet(unsigned long arg) | |||
| 241 | static void octeon_mgmt_update_rx_stats(struct net_device *netdev) | 292 | static void octeon_mgmt_update_rx_stats(struct net_device *netdev) |
| 242 | { | 293 | { |
| 243 | struct octeon_mgmt *p = netdev_priv(netdev); | 294 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 244 | int port = p->port; | ||
| 245 | unsigned long flags; | 295 | unsigned long flags; |
| 246 | u64 drop, bad; | 296 | u64 drop, bad; |
| 247 | 297 | ||
| 248 | /* These reads also clear the count registers. */ | 298 | /* These reads also clear the count registers. */ |
| 249 | drop = cvmx_read_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_DRP(port)); | 299 | drop = cvmx_read_csr(p->agl + AGL_GMX_RX_STATS_PKTS_DRP); |
| 250 | bad = cvmx_read_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_BAD(port)); | 300 | bad = cvmx_read_csr(p->agl + AGL_GMX_RX_STATS_PKTS_BAD); |
| 251 | 301 | ||
| 252 | if (drop || bad) { | 302 | if (drop || bad) { |
| 253 | /* Do an atomic update. */ | 303 | /* Do an atomic update. */ |
| @@ -261,15 +311,14 @@ static void octeon_mgmt_update_rx_stats(struct net_device *netdev) | |||
| 261 | static void octeon_mgmt_update_tx_stats(struct net_device *netdev) | 311 | static void octeon_mgmt_update_tx_stats(struct net_device *netdev) |
| 262 | { | 312 | { |
| 263 | struct octeon_mgmt *p = netdev_priv(netdev); | 313 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 264 | int port = p->port; | ||
| 265 | unsigned long flags; | 314 | unsigned long flags; |
| 266 | 315 | ||
| 267 | union cvmx_agl_gmx_txx_stat0 s0; | 316 | union cvmx_agl_gmx_txx_stat0 s0; |
| 268 | union cvmx_agl_gmx_txx_stat1 s1; | 317 | union cvmx_agl_gmx_txx_stat1 s1; |
| 269 | 318 | ||
| 270 | /* These reads also clear the count registers. */ | 319 | /* These reads also clear the count registers. */ |
| 271 | s0.u64 = cvmx_read_csr(CVMX_AGL_GMX_TXX_STAT0(port)); | 320 | s0.u64 = cvmx_read_csr(p->agl + AGL_GMX_TX_STAT0); |
| 272 | s1.u64 = cvmx_read_csr(CVMX_AGL_GMX_TXX_STAT1(port)); | 321 | s1.u64 = cvmx_read_csr(p->agl + AGL_GMX_TX_STAT1); |
| 273 | 322 | ||
| 274 | if (s0.s.xsdef || s0.s.xscol || s1.s.scol || s1.s.mcol) { | 323 | if (s0.s.xsdef || s0.s.xscol || s1.s.scol || s1.s.mcol) { |
| 275 | /* Do an atomic update. */ | 324 | /* Do an atomic update. */ |
| @@ -308,7 +357,6 @@ static u64 octeon_mgmt_dequeue_rx_buffer(struct octeon_mgmt *p, | |||
| 308 | 357 | ||
| 309 | static int octeon_mgmt_receive_one(struct octeon_mgmt *p) | 358 | static int octeon_mgmt_receive_one(struct octeon_mgmt *p) |
| 310 | { | 359 | { |
| 311 | int port = p->port; | ||
| 312 | struct net_device *netdev = p->netdev; | 360 | struct net_device *netdev = p->netdev; |
| 313 | union cvmx_mixx_ircnt mix_ircnt; | 361 | union cvmx_mixx_ircnt mix_ircnt; |
| 314 | union mgmt_port_ring_entry re; | 362 | union mgmt_port_ring_entry re; |
| @@ -381,18 +429,17 @@ done: | |||
| 381 | /* Tell the hardware we processed a packet. */ | 429 | /* Tell the hardware we processed a packet. */ |
| 382 | mix_ircnt.u64 = 0; | 430 | mix_ircnt.u64 = 0; |
| 383 | mix_ircnt.s.ircnt = 1; | 431 | mix_ircnt.s.ircnt = 1; |
| 384 | cvmx_write_csr(CVMX_MIXX_IRCNT(port), mix_ircnt.u64); | 432 | cvmx_write_csr(p->mix + MIX_IRCNT, mix_ircnt.u64); |
| 385 | return rc; | 433 | return rc; |
| 386 | } | 434 | } |
| 387 | 435 | ||
| 388 | static int octeon_mgmt_receive_packets(struct octeon_mgmt *p, int budget) | 436 | static int octeon_mgmt_receive_packets(struct octeon_mgmt *p, int budget) |
| 389 | { | 437 | { |
| 390 | int port = p->port; | ||
| 391 | unsigned int work_done = 0; | 438 | unsigned int work_done = 0; |
| 392 | union cvmx_mixx_ircnt mix_ircnt; | 439 | union cvmx_mixx_ircnt mix_ircnt; |
| 393 | int rc; | 440 | int rc; |
| 394 | 441 | ||
| 395 | mix_ircnt.u64 = cvmx_read_csr(CVMX_MIXX_IRCNT(port)); | 442 | mix_ircnt.u64 = cvmx_read_csr(p->mix + MIX_IRCNT); |
| 396 | while (work_done < budget && mix_ircnt.s.ircnt) { | 443 | while (work_done < budget && mix_ircnt.s.ircnt) { |
| 397 | 444 | ||
| 398 | rc = octeon_mgmt_receive_one(p); | 445 | rc = octeon_mgmt_receive_one(p); |
| @@ -400,7 +447,7 @@ static int octeon_mgmt_receive_packets(struct octeon_mgmt *p, int budget) | |||
| 400 | work_done++; | 447 | work_done++; |
| 401 | 448 | ||
| 402 | /* Check for more packets. */ | 449 | /* Check for more packets. */ |
| 403 | mix_ircnt.u64 = cvmx_read_csr(CVMX_MIXX_IRCNT(port)); | 450 | mix_ircnt.u64 = cvmx_read_csr(p->mix + MIX_IRCNT); |
| 404 | } | 451 | } |
| 405 | 452 | ||
| 406 | octeon_mgmt_rx_fill_ring(p->netdev); | 453 | octeon_mgmt_rx_fill_ring(p->netdev); |
| @@ -434,16 +481,16 @@ static void octeon_mgmt_reset_hw(struct octeon_mgmt *p) | |||
| 434 | union cvmx_agl_gmx_bist agl_gmx_bist; | 481 | union cvmx_agl_gmx_bist agl_gmx_bist; |
| 435 | 482 | ||
| 436 | mix_ctl.u64 = 0; | 483 | mix_ctl.u64 = 0; |
| 437 | cvmx_write_csr(CVMX_MIXX_CTL(p->port), mix_ctl.u64); | 484 | cvmx_write_csr(p->mix + MIX_CTL, mix_ctl.u64); |
| 438 | do { | 485 | do { |
| 439 | mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(p->port)); | 486 | mix_ctl.u64 = cvmx_read_csr(p->mix + MIX_CTL); |
| 440 | } while (mix_ctl.s.busy); | 487 | } while (mix_ctl.s.busy); |
| 441 | mix_ctl.s.reset = 1; | 488 | mix_ctl.s.reset = 1; |
| 442 | cvmx_write_csr(CVMX_MIXX_CTL(p->port), mix_ctl.u64); | 489 | cvmx_write_csr(p->mix + MIX_CTL, mix_ctl.u64); |
| 443 | cvmx_read_csr(CVMX_MIXX_CTL(p->port)); | 490 | cvmx_read_csr(p->mix + MIX_CTL); |
| 444 | cvmx_wait(64); | 491 | cvmx_wait(64); |
| 445 | 492 | ||
| 446 | mix_bist.u64 = cvmx_read_csr(CVMX_MIXX_BIST(p->port)); | 493 | mix_bist.u64 = cvmx_read_csr(p->mix + MIX_BIST); |
| 447 | if (mix_bist.u64) | 494 | if (mix_bist.u64) |
| 448 | dev_warn(p->dev, "MIX failed BIST (0x%016llx)\n", | 495 | dev_warn(p->dev, "MIX failed BIST (0x%016llx)\n", |
| 449 | (unsigned long long)mix_bist.u64); | 496 | (unsigned long long)mix_bist.u64); |
| @@ -474,7 +521,6 @@ static void octeon_mgmt_cam_state_add(struct octeon_mgmt_cam_state *cs, | |||
| 474 | static void octeon_mgmt_set_rx_filtering(struct net_device *netdev) | 521 | static void octeon_mgmt_set_rx_filtering(struct net_device *netdev) |
| 475 | { | 522 | { |
| 476 | struct octeon_mgmt *p = netdev_priv(netdev); | 523 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 477 | int port = p->port; | ||
| 478 | union cvmx_agl_gmx_rxx_adr_ctl adr_ctl; | 524 | union cvmx_agl_gmx_rxx_adr_ctl adr_ctl; |
| 479 | union cvmx_agl_gmx_prtx_cfg agl_gmx_prtx; | 525 | union cvmx_agl_gmx_prtx_cfg agl_gmx_prtx; |
| 480 | unsigned long flags; | 526 | unsigned long flags; |
| @@ -520,29 +566,29 @@ static void octeon_mgmt_set_rx_filtering(struct net_device *netdev) | |||
| 520 | spin_lock_irqsave(&p->lock, flags); | 566 | spin_lock_irqsave(&p->lock, flags); |
| 521 | 567 | ||
| 522 | /* Disable packet I/O. */ | 568 | /* Disable packet I/O. */ |
| 523 | agl_gmx_prtx.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); | 569 | agl_gmx_prtx.u64 = cvmx_read_csr(p->agl + AGL_GMX_PRT_CFG); |
| 524 | prev_packet_enable = agl_gmx_prtx.s.en; | 570 | prev_packet_enable = agl_gmx_prtx.s.en; |
| 525 | agl_gmx_prtx.s.en = 0; | 571 | agl_gmx_prtx.s.en = 0; |
| 526 | cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), agl_gmx_prtx.u64); | 572 | cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, agl_gmx_prtx.u64); |
| 527 | 573 | ||
| 528 | adr_ctl.u64 = 0; | 574 | adr_ctl.u64 = 0; |
| 529 | adr_ctl.s.cam_mode = cam_mode; | 575 | adr_ctl.s.cam_mode = cam_mode; |
| 530 | adr_ctl.s.mcst = multicast_mode; | 576 | adr_ctl.s.mcst = multicast_mode; |
| 531 | adr_ctl.s.bcst = 1; /* Allow broadcast */ | 577 | adr_ctl.s.bcst = 1; /* Allow broadcast */ |
| 532 | 578 | ||
| 533 | cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CTL(port), adr_ctl.u64); | 579 | cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CTL, adr_ctl.u64); |
| 534 | 580 | ||
| 535 | cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM0(port), cam_state.cam[0]); | 581 | cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM0, cam_state.cam[0]); |
| 536 | cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM1(port), cam_state.cam[1]); | 582 | cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM1, cam_state.cam[1]); |
| 537 | cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM2(port), cam_state.cam[2]); | 583 | cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM2, cam_state.cam[2]); |
| 538 | cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM3(port), cam_state.cam[3]); | 584 | cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM3, cam_state.cam[3]); |
| 539 | cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM4(port), cam_state.cam[4]); | 585 | cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM4, cam_state.cam[4]); |
| 540 | cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM5(port), cam_state.cam[5]); | 586 | cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM5, cam_state.cam[5]); |
| 541 | cvmx_write_csr(CVMX_AGL_GMX_RXX_ADR_CAM_EN(port), cam_state.cam_mask); | 587 | cvmx_write_csr(p->agl + AGL_GMX_RX_ADR_CAM_EN, cam_state.cam_mask); |
| 542 | 588 | ||
| 543 | /* Restore packet I/O. */ | 589 | /* Restore packet I/O. */ |
| 544 | agl_gmx_prtx.s.en = prev_packet_enable; | 590 | agl_gmx_prtx.s.en = prev_packet_enable; |
| 545 | cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), agl_gmx_prtx.u64); | 591 | cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, agl_gmx_prtx.u64); |
| 546 | 592 | ||
| 547 | spin_unlock_irqrestore(&p->lock, flags); | 593 | spin_unlock_irqrestore(&p->lock, flags); |
| 548 | } | 594 | } |
| @@ -564,7 +610,6 @@ static int octeon_mgmt_set_mac_address(struct net_device *netdev, void *addr) | |||
| 564 | static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu) | 610 | static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu) |
| 565 | { | 611 | { |
| 566 | struct octeon_mgmt *p = netdev_priv(netdev); | 612 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 567 | int port = p->port; | ||
| 568 | int size_without_fcs = new_mtu + OCTEON_MGMT_RX_HEADROOM; | 613 | int size_without_fcs = new_mtu + OCTEON_MGMT_RX_HEADROOM; |
| 569 | 614 | ||
| 570 | /* | 615 | /* |
| @@ -580,8 +625,8 @@ static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu) | |||
| 580 | 625 | ||
| 581 | netdev->mtu = new_mtu; | 626 | netdev->mtu = new_mtu; |
| 582 | 627 | ||
| 583 | cvmx_write_csr(CVMX_AGL_GMX_RXX_FRM_MAX(port), size_without_fcs); | 628 | cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_MAX, size_without_fcs); |
| 584 | cvmx_write_csr(CVMX_AGL_GMX_RXX_JABBER(port), | 629 | cvmx_write_csr(p->agl + AGL_GMX_RX_JABBER, |
| 585 | (size_without_fcs + 7) & 0xfff8); | 630 | (size_without_fcs + 7) & 0xfff8); |
| 586 | 631 | ||
| 587 | return 0; | 632 | return 0; |
| @@ -591,14 +636,13 @@ static irqreturn_t octeon_mgmt_interrupt(int cpl, void *dev_id) | |||
| 591 | { | 636 | { |
| 592 | struct net_device *netdev = dev_id; | 637 | struct net_device *netdev = dev_id; |
| 593 | struct octeon_mgmt *p = netdev_priv(netdev); | 638 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 594 | int port = p->port; | ||
| 595 | union cvmx_mixx_isr mixx_isr; | 639 | union cvmx_mixx_isr mixx_isr; |
| 596 | 640 | ||
| 597 | mixx_isr.u64 = cvmx_read_csr(CVMX_MIXX_ISR(port)); | 641 | mixx_isr.u64 = cvmx_read_csr(p->mix + MIX_ISR); |
| 598 | 642 | ||
| 599 | /* Clear any pending interrupts */ | 643 | /* Clear any pending interrupts */ |
| 600 | cvmx_write_csr(CVMX_MIXX_ISR(port), mixx_isr.u64); | 644 | cvmx_write_csr(p->mix + MIX_ISR, mixx_isr.u64); |
| 601 | cvmx_read_csr(CVMX_MIXX_ISR(port)); | 645 | cvmx_read_csr(p->mix + MIX_ISR); |
| 602 | 646 | ||
| 603 | if (mixx_isr.s.irthresh) { | 647 | if (mixx_isr.s.irthresh) { |
| 604 | octeon_mgmt_disable_rx_irq(p); | 648 | octeon_mgmt_disable_rx_irq(p); |
| @@ -629,7 +673,6 @@ static int octeon_mgmt_ioctl(struct net_device *netdev, | |||
| 629 | static void octeon_mgmt_adjust_link(struct net_device *netdev) | 673 | static void octeon_mgmt_adjust_link(struct net_device *netdev) |
| 630 | { | 674 | { |
| 631 | struct octeon_mgmt *p = netdev_priv(netdev); | 675 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 632 | int port = p->port; | ||
| 633 | union cvmx_agl_gmx_prtx_cfg prtx_cfg; | 676 | union cvmx_agl_gmx_prtx_cfg prtx_cfg; |
| 634 | unsigned long flags; | 677 | unsigned long flags; |
| 635 | int link_changed = 0; | 678 | int link_changed = 0; |
| @@ -640,11 +683,9 @@ static void octeon_mgmt_adjust_link(struct net_device *netdev) | |||
| 640 | link_changed = 1; | 683 | link_changed = 1; |
| 641 | if (p->last_duplex != p->phydev->duplex) { | 684 | if (p->last_duplex != p->phydev->duplex) { |
| 642 | p->last_duplex = p->phydev->duplex; | 685 | p->last_duplex = p->phydev->duplex; |
| 643 | prtx_cfg.u64 = | 686 | prtx_cfg.u64 = cvmx_read_csr(p->agl + AGL_GMX_PRT_CFG); |
| 644 | cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); | ||
| 645 | prtx_cfg.s.duplex = p->phydev->duplex; | 687 | prtx_cfg.s.duplex = p->phydev->duplex; |
| 646 | cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), | 688 | cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, prtx_cfg.u64); |
| 647 | prtx_cfg.u64); | ||
| 648 | } | 689 | } |
| 649 | } else { | 690 | } else { |
| 650 | if (p->last_link) | 691 | if (p->last_link) |
| @@ -670,18 +711,16 @@ static void octeon_mgmt_adjust_link(struct net_device *netdev) | |||
| 670 | static int octeon_mgmt_init_phy(struct net_device *netdev) | 711 | static int octeon_mgmt_init_phy(struct net_device *netdev) |
| 671 | { | 712 | { |
| 672 | struct octeon_mgmt *p = netdev_priv(netdev); | 713 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 673 | char phy_id[MII_BUS_ID_SIZE + 3]; | ||
| 674 | 714 | ||
| 675 | if (octeon_is_simulation()) { | 715 | if (octeon_is_simulation() || p->phy_np == NULL) { |
| 676 | /* No PHYs in the simulator. */ | 716 | /* No PHYs in the simulator. */ |
| 677 | netif_carrier_on(netdev); | 717 | netif_carrier_on(netdev); |
| 678 | return 0; | 718 | return 0; |
| 679 | } | 719 | } |
| 680 | 720 | ||
| 681 | snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "mdio-octeon-0", p->port); | 721 | p->phydev = of_phy_connect(netdev, p->phy_np, |
| 682 | 722 | octeon_mgmt_adjust_link, 0, | |
| 683 | p->phydev = phy_connect(netdev, phy_id, octeon_mgmt_adjust_link, 0, | 723 | PHY_INTERFACE_MODE_MII); |
| 684 | PHY_INTERFACE_MODE_MII); | ||
| 685 | 724 | ||
| 686 | if (IS_ERR(p->phydev)) { | 725 | if (IS_ERR(p->phydev)) { |
| 687 | p->phydev = NULL; | 726 | p->phydev = NULL; |
| @@ -737,14 +776,14 @@ static int octeon_mgmt_open(struct net_device *netdev) | |||
| 737 | 776 | ||
| 738 | octeon_mgmt_reset_hw(p); | 777 | octeon_mgmt_reset_hw(p); |
| 739 | 778 | ||
| 740 | mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(port)); | 779 | mix_ctl.u64 = cvmx_read_csr(p->mix + MIX_CTL); |
| 741 | 780 | ||
| 742 | /* Bring it out of reset if needed. */ | 781 | /* Bring it out of reset if needed. */ |
| 743 | if (mix_ctl.s.reset) { | 782 | if (mix_ctl.s.reset) { |
| 744 | mix_ctl.s.reset = 0; | 783 | mix_ctl.s.reset = 0; |
| 745 | cvmx_write_csr(CVMX_MIXX_CTL(port), mix_ctl.u64); | 784 | cvmx_write_csr(p->mix + MIX_CTL, mix_ctl.u64); |
| 746 | do { | 785 | do { |
| 747 | mix_ctl.u64 = cvmx_read_csr(CVMX_MIXX_CTL(port)); | 786 | mix_ctl.u64 = cvmx_read_csr(p->mix + MIX_CTL); |
| 748 | } while (mix_ctl.s.reset); | 787 | } while (mix_ctl.s.reset); |
| 749 | } | 788 | } |
| 750 | 789 | ||
| @@ -755,17 +794,17 @@ static int octeon_mgmt_open(struct net_device *netdev) | |||
| 755 | oring1.u64 = 0; | 794 | oring1.u64 = 0; |
| 756 | oring1.s.obase = p->tx_ring_handle >> 3; | 795 | oring1.s.obase = p->tx_ring_handle >> 3; |
| 757 | oring1.s.osize = OCTEON_MGMT_TX_RING_SIZE; | 796 | oring1.s.osize = OCTEON_MGMT_TX_RING_SIZE; |
| 758 | cvmx_write_csr(CVMX_MIXX_ORING1(port), oring1.u64); | 797 | cvmx_write_csr(p->mix + MIX_ORING1, oring1.u64); |
| 759 | 798 | ||
| 760 | iring1.u64 = 0; | 799 | iring1.u64 = 0; |
| 761 | iring1.s.ibase = p->rx_ring_handle >> 3; | 800 | iring1.s.ibase = p->rx_ring_handle >> 3; |
| 762 | iring1.s.isize = OCTEON_MGMT_RX_RING_SIZE; | 801 | iring1.s.isize = OCTEON_MGMT_RX_RING_SIZE; |
| 763 | cvmx_write_csr(CVMX_MIXX_IRING1(port), iring1.u64); | 802 | cvmx_write_csr(p->mix + MIX_IRING1, iring1.u64); |
| 764 | 803 | ||
| 765 | /* Disable packet I/O. */ | 804 | /* Disable packet I/O. */ |
| 766 | prtx_cfg.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); | 805 | prtx_cfg.u64 = cvmx_read_csr(p->agl + AGL_GMX_PRT_CFG); |
| 767 | prtx_cfg.s.en = 0; | 806 | prtx_cfg.s.en = 0; |
| 768 | cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), prtx_cfg.u64); | 807 | cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, prtx_cfg.u64); |
| 769 | 808 | ||
| 770 | memcpy(sa.sa_data, netdev->dev_addr, ETH_ALEN); | 809 | memcpy(sa.sa_data, netdev->dev_addr, ETH_ALEN); |
| 771 | octeon_mgmt_set_mac_address(netdev, &sa); | 810 | octeon_mgmt_set_mac_address(netdev, &sa); |
| @@ -782,7 +821,7 @@ static int octeon_mgmt_open(struct net_device *netdev) | |||
| 782 | mix_ctl.s.nbtarb = 0; /* Arbitration mode */ | 821 | mix_ctl.s.nbtarb = 0; /* Arbitration mode */ |
| 783 | /* MII CB-request FIFO programmable high watermark */ | 822 | /* MII CB-request FIFO programmable high watermark */ |
| 784 | mix_ctl.s.mrq_hwm = 1; | 823 | mix_ctl.s.mrq_hwm = 1; |
| 785 | cvmx_write_csr(CVMX_MIXX_CTL(port), mix_ctl.u64); | 824 | cvmx_write_csr(p->mix + MIX_CTL, mix_ctl.u64); |
| 786 | 825 | ||
| 787 | if (OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X) | 826 | if (OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X) |
| 788 | || OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X)) { | 827 | || OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X)) { |
| @@ -809,16 +848,16 @@ static int octeon_mgmt_open(struct net_device *netdev) | |||
| 809 | 848 | ||
| 810 | /* Clear statistics. */ | 849 | /* Clear statistics. */ |
| 811 | /* Clear on read. */ | 850 | /* Clear on read. */ |
| 812 | cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_CTL(port), 1); | 851 | cvmx_write_csr(p->agl + AGL_GMX_RX_STATS_CTL, 1); |
| 813 | cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_DRP(port), 0); | 852 | cvmx_write_csr(p->agl + AGL_GMX_RX_STATS_PKTS_DRP, 0); |
| 814 | cvmx_write_csr(CVMX_AGL_GMX_RXX_STATS_PKTS_BAD(port), 0); | 853 | cvmx_write_csr(p->agl + AGL_GMX_RX_STATS_PKTS_BAD, 0); |
| 815 | 854 | ||
| 816 | cvmx_write_csr(CVMX_AGL_GMX_TXX_STATS_CTL(port), 1); | 855 | cvmx_write_csr(p->agl + AGL_GMX_TX_STATS_CTL, 1); |
| 817 | cvmx_write_csr(CVMX_AGL_GMX_TXX_STAT0(port), 0); | 856 | cvmx_write_csr(p->agl + AGL_GMX_TX_STAT0, 0); |
| 818 | cvmx_write_csr(CVMX_AGL_GMX_TXX_STAT1(port), 0); | 857 | cvmx_write_csr(p->agl + AGL_GMX_TX_STAT1, 0); |
| 819 | 858 | ||
| 820 | /* Clear any pending interrupts */ | 859 | /* Clear any pending interrupts */ |
| 821 | cvmx_write_csr(CVMX_MIXX_ISR(port), cvmx_read_csr(CVMX_MIXX_ISR(port))); | 860 | cvmx_write_csr(p->mix + MIX_ISR, cvmx_read_csr(p->mix + MIX_ISR)); |
| 822 | 861 | ||
| 823 | if (request_irq(p->irq, octeon_mgmt_interrupt, 0, netdev->name, | 862 | if (request_irq(p->irq, octeon_mgmt_interrupt, 0, netdev->name, |
| 824 | netdev)) { | 863 | netdev)) { |
| @@ -829,18 +868,18 @@ static int octeon_mgmt_open(struct net_device *netdev) | |||
| 829 | /* Interrupt every single RX packet */ | 868 | /* Interrupt every single RX packet */ |
| 830 | mix_irhwm.u64 = 0; | 869 | mix_irhwm.u64 = 0; |
| 831 | mix_irhwm.s.irhwm = 0; | 870 | mix_irhwm.s.irhwm = 0; |
| 832 | cvmx_write_csr(CVMX_MIXX_IRHWM(port), mix_irhwm.u64); | 871 | cvmx_write_csr(p->mix + MIX_IRHWM, mix_irhwm.u64); |
| 833 | 872 | ||
| 834 | /* Interrupt when we have 1 or more packets to clean. */ | 873 | /* Interrupt when we have 1 or more packets to clean. */ |
| 835 | mix_orhwm.u64 = 0; | 874 | mix_orhwm.u64 = 0; |
| 836 | mix_orhwm.s.orhwm = 1; | 875 | mix_orhwm.s.orhwm = 1; |
| 837 | cvmx_write_csr(CVMX_MIXX_ORHWM(port), mix_orhwm.u64); | 876 | cvmx_write_csr(p->mix + MIX_ORHWM, mix_orhwm.u64); |
| 838 | 877 | ||
| 839 | /* Enable receive and transmit interrupts */ | 878 | /* Enable receive and transmit interrupts */ |
| 840 | mix_intena.u64 = 0; | 879 | mix_intena.u64 = 0; |
| 841 | mix_intena.s.ithena = 1; | 880 | mix_intena.s.ithena = 1; |
| 842 | mix_intena.s.othena = 1; | 881 | mix_intena.s.othena = 1; |
| 843 | cvmx_write_csr(CVMX_MIXX_INTENA(port), mix_intena.u64); | 882 | cvmx_write_csr(p->mix + MIX_INTENA, mix_intena.u64); |
| 844 | 883 | ||
| 845 | 884 | ||
| 846 | /* Enable packet I/O. */ | 885 | /* Enable packet I/O. */ |
| @@ -871,7 +910,7 @@ static int octeon_mgmt_open(struct net_device *netdev) | |||
| 871 | * frame. GMX checks that the PREAMBLE is sent correctly. | 910 | * frame. GMX checks that the PREAMBLE is sent correctly. |
| 872 | */ | 911 | */ |
| 873 | rxx_frm_ctl.s.pre_chk = 1; | 912 | rxx_frm_ctl.s.pre_chk = 1; |
| 874 | cvmx_write_csr(CVMX_AGL_GMX_RXX_FRM_CTL(port), rxx_frm_ctl.u64); | 913 | cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_CTL, rxx_frm_ctl.u64); |
| 875 | 914 | ||
| 876 | /* Enable the AGL block */ | 915 | /* Enable the AGL block */ |
| 877 | agl_gmx_inf_mode.u64 = 0; | 916 | agl_gmx_inf_mode.u64 = 0; |
| @@ -879,13 +918,13 @@ static int octeon_mgmt_open(struct net_device *netdev) | |||
| 879 | cvmx_write_csr(CVMX_AGL_GMX_INF_MODE, agl_gmx_inf_mode.u64); | 918 | cvmx_write_csr(CVMX_AGL_GMX_INF_MODE, agl_gmx_inf_mode.u64); |
| 880 | 919 | ||
| 881 | /* Configure the port duplex and enables */ | 920 | /* Configure the port duplex and enables */ |
| 882 | prtx_cfg.u64 = cvmx_read_csr(CVMX_AGL_GMX_PRTX_CFG(port)); | 921 | prtx_cfg.u64 = cvmx_read_csr(p->agl + AGL_GMX_PRT_CFG); |
| 883 | prtx_cfg.s.tx_en = 1; | 922 | prtx_cfg.s.tx_en = 1; |
| 884 | prtx_cfg.s.rx_en = 1; | 923 | prtx_cfg.s.rx_en = 1; |
| 885 | prtx_cfg.s.en = 1; | 924 | prtx_cfg.s.en = 1; |
| 886 | p->last_duplex = 1; | 925 | p->last_duplex = 1; |
| 887 | prtx_cfg.s.duplex = p->last_duplex; | 926 | prtx_cfg.s.duplex = p->last_duplex; |
| 888 | cvmx_write_csr(CVMX_AGL_GMX_PRTX_CFG(port), prtx_cfg.u64); | 927 | cvmx_write_csr(p->agl + AGL_GMX_PRT_CFG, prtx_cfg.u64); |
| 889 | 928 | ||
| 890 | p->last_link = 0; | 929 | p->last_link = 0; |
| 891 | netif_carrier_off(netdev); | 930 | netif_carrier_off(netdev); |
| @@ -949,7 +988,6 @@ static int octeon_mgmt_stop(struct net_device *netdev) | |||
| 949 | static int octeon_mgmt_xmit(struct sk_buff *skb, struct net_device *netdev) | 988 | static int octeon_mgmt_xmit(struct sk_buff *skb, struct net_device *netdev) |
| 950 | { | 989 | { |
| 951 | struct octeon_mgmt *p = netdev_priv(netdev); | 990 | struct octeon_mgmt *p = netdev_priv(netdev); |
| 952 | int port = p->port; | ||
| 953 | union mgmt_port_ring_entry re; | 991 | union mgmt_port_ring_entry re; |
| 954 | unsigned long flags; | 992 | unsigned long flags; |
| 955 | int rv = NETDEV_TX_BUSY; | 993 | int rv = NETDEV_TX_BUSY; |
| @@ -993,7 +1031,7 @@ static int octeon_mgmt_xmit(struct sk_buff *skb, struct net_device *netdev) | |||
| 993 | netdev->stats.tx_bytes += skb->len; | 1031 | netdev->stats.tx_bytes += skb->len; |
| 994 | 1032 | ||
| 995 | /* Ring the bell. */ | 1033 | /* Ring the bell. */ |
| 996 | cvmx_write_csr(CVMX_MIXX_ORING2(port), 1); | 1034 | cvmx_write_csr(p->mix + MIX_ORING2, 1); |
| 997 | 1035 | ||
| 998 | rv = NETDEV_TX_OK; | 1036 | rv = NETDEV_TX_OK; |
| 999 | out: | 1037 | out: |
| @@ -1071,10 +1109,14 @@ static const struct net_device_ops octeon_mgmt_ops = { | |||
| 1071 | 1109 | ||
| 1072 | static int __devinit octeon_mgmt_probe(struct platform_device *pdev) | 1110 | static int __devinit octeon_mgmt_probe(struct platform_device *pdev) |
| 1073 | { | 1111 | { |
| 1074 | struct resource *res_irq; | ||
| 1075 | struct net_device *netdev; | 1112 | struct net_device *netdev; |
| 1076 | struct octeon_mgmt *p; | 1113 | struct octeon_mgmt *p; |
| 1077 | int i; | 1114 | const __be32 *data; |
| 1115 | const u8 *mac; | ||
| 1116 | struct resource *res_mix; | ||
| 1117 | struct resource *res_agl; | ||
| 1118 | int len; | ||
| 1119 | int result; | ||
| 1078 | 1120 | ||
| 1079 | netdev = alloc_etherdev(sizeof(struct octeon_mgmt)); | 1121 | netdev = alloc_etherdev(sizeof(struct octeon_mgmt)); |
| 1080 | if (netdev == NULL) | 1122 | if (netdev == NULL) |
| @@ -1088,14 +1130,63 @@ static int __devinit octeon_mgmt_probe(struct platform_device *pdev) | |||
| 1088 | p->netdev = netdev; | 1130 | p->netdev = netdev; |
| 1089 | p->dev = &pdev->dev; | 1131 | p->dev = &pdev->dev; |
| 1090 | 1132 | ||
| 1091 | p->port = pdev->id; | 1133 | data = of_get_property(pdev->dev.of_node, "cell-index", &len); |
| 1134 | if (data && len == sizeof(*data)) { | ||
| 1135 | p->port = be32_to_cpup(data); | ||
| 1136 | } else { | ||
| 1137 | dev_err(&pdev->dev, "no 'cell-index' property\n"); | ||
| 1138 | result = -ENXIO; | ||
| 1139 | goto err; | ||
| 1140 | } | ||
| 1141 | |||
| 1092 | snprintf(netdev->name, IFNAMSIZ, "mgmt%d", p->port); | 1142 | snprintf(netdev->name, IFNAMSIZ, "mgmt%d", p->port); |
| 1093 | 1143 | ||
| 1094 | res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | 1144 | result = platform_get_irq(pdev, 0); |
| 1095 | if (!res_irq) | 1145 | if (result < 0) |
| 1146 | goto err; | ||
| 1147 | |||
| 1148 | p->irq = result; | ||
| 1149 | |||
| 1150 | res_mix = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
| 1151 | if (res_mix == NULL) { | ||
| 1152 | dev_err(&pdev->dev, "no 'reg' resource\n"); | ||
| 1153 | result = -ENXIO; | ||
| 1154 | goto err; | ||
| 1155 | } | ||
| 1156 | |||
| 1157 | res_agl = platform_get_resource(pdev, IORESOURCE_MEM, 1); | ||
| 1158 | if (res_agl == NULL) { | ||
| 1159 | dev_err(&pdev->dev, "no 'reg' resource\n"); | ||
| 1160 | result = -ENXIO; | ||
| 1161 | goto err; | ||
| 1162 | } | ||
| 1163 | |||
| 1164 | p->mix_phys = res_mix->start; | ||
| 1165 | p->mix_size = resource_size(res_mix); | ||
| 1166 | p->agl_phys = res_agl->start; | ||
| 1167 | p->agl_size = resource_size(res_agl); | ||
| 1168 | |||
| 1169 | |||
| 1170 | if (!devm_request_mem_region(&pdev->dev, p->mix_phys, p->mix_size, | ||
| 1171 | res_mix->name)) { | ||
| 1172 | dev_err(&pdev->dev, "request_mem_region (%s) failed\n", | ||
| 1173 | res_mix->name); | ||
| 1174 | result = -ENXIO; | ||
| 1175 | goto err; | ||
| 1176 | } | ||
| 1177 | |||
| 1178 | if (!devm_request_mem_region(&pdev->dev, p->agl_phys, p->agl_size, | ||
| 1179 | res_agl->name)) { | ||
| 1180 | result = -ENXIO; | ||
| 1181 | dev_err(&pdev->dev, "request_mem_region (%s) failed\n", | ||
| 1182 | res_agl->name); | ||
| 1096 | goto err; | 1183 | goto err; |
| 1184 | } | ||
| 1185 | |||
| 1186 | |||
| 1187 | p->mix = (u64)devm_ioremap(&pdev->dev, p->mix_phys, p->mix_size); | ||
| 1188 | p->agl = (u64)devm_ioremap(&pdev->dev, p->agl_phys, p->agl_size); | ||
| 1097 | 1189 | ||
| 1098 | p->irq = res_irq->start; | ||
| 1099 | spin_lock_init(&p->lock); | 1190 | spin_lock_init(&p->lock); |
| 1100 | 1191 | ||
| 1101 | skb_queue_head_init(&p->tx_list); | 1192 | skb_queue_head_init(&p->tx_list); |
| @@ -1108,24 +1199,26 @@ static int __devinit octeon_mgmt_probe(struct platform_device *pdev) | |||
| 1108 | netdev->netdev_ops = &octeon_mgmt_ops; | 1199 | netdev->netdev_ops = &octeon_mgmt_ops; |
| 1109 | netdev->ethtool_ops = &octeon_mgmt_ethtool_ops; | 1200 | netdev->ethtool_ops = &octeon_mgmt_ethtool_ops; |
| 1110 | 1201 | ||
| 1111 | /* The mgmt ports get the first N MACs. */ | 1202 | mac = of_get_mac_address(pdev->dev.of_node); |
| 1112 | for (i = 0; i < 6; i++) | 1203 | |
| 1113 | netdev->dev_addr[i] = octeon_bootinfo->mac_addr_base[i]; | 1204 | if (mac) |
| 1114 | netdev->dev_addr[5] += p->port; | 1205 | memcpy(netdev->dev_addr, mac, 6); |
| 1115 | 1206 | ||
| 1116 | if (p->port >= octeon_bootinfo->mac_addr_count) | 1207 | p->phy_np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0); |
| 1117 | dev_err(&pdev->dev, | ||
| 1118 | "Error %s: Using MAC outside of the assigned range: %pM\n", | ||
| 1119 | netdev->name, netdev->dev_addr); | ||
| 1120 | 1208 | ||
| 1121 | if (register_netdev(netdev)) | 1209 | pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64); |
| 1210 | pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; | ||
| 1211 | |||
| 1212 | result = register_netdev(netdev); | ||
| 1213 | if (result) | ||
| 1122 | goto err; | 1214 | goto err; |
| 1123 | 1215 | ||
| 1124 | dev_info(&pdev->dev, "Version " DRV_VERSION "\n"); | 1216 | dev_info(&pdev->dev, "Version " DRV_VERSION "\n"); |
| 1125 | return 0; | 1217 | return 0; |
| 1218 | |||
| 1126 | err: | 1219 | err: |
| 1127 | free_netdev(netdev); | 1220 | free_netdev(netdev); |
| 1128 | return -ENOENT; | 1221 | return result; |
| 1129 | } | 1222 | } |
| 1130 | 1223 | ||
| 1131 | static int __devexit octeon_mgmt_remove(struct platform_device *pdev) | 1224 | static int __devexit octeon_mgmt_remove(struct platform_device *pdev) |
| @@ -1137,10 +1230,19 @@ static int __devexit octeon_mgmt_remove(struct platform_device *pdev) | |||
| 1137 | return 0; | 1230 | return 0; |
| 1138 | } | 1231 | } |
| 1139 | 1232 | ||
| 1233 | static struct of_device_id octeon_mgmt_match[] = { | ||
| 1234 | { | ||
| 1235 | .compatible = "cavium,octeon-5750-mix", | ||
| 1236 | }, | ||
| 1237 | {}, | ||
| 1238 | }; | ||
| 1239 | MODULE_DEVICE_TABLE(of, octeon_mgmt_match); | ||
| 1240 | |||
| 1140 | static struct platform_driver octeon_mgmt_driver = { | 1241 | static struct platform_driver octeon_mgmt_driver = { |
| 1141 | .driver = { | 1242 | .driver = { |
| 1142 | .name = "octeon_mgmt", | 1243 | .name = "octeon_mgmt", |
| 1143 | .owner = THIS_MODULE, | 1244 | .owner = THIS_MODULE, |
| 1245 | .of_match_table = octeon_mgmt_match, | ||
| 1144 | }, | 1246 | }, |
| 1145 | .probe = octeon_mgmt_probe, | 1247 | .probe = octeon_mgmt_probe, |
| 1146 | .remove = __devexit_p(octeon_mgmt_remove), | 1248 | .remove = __devexit_p(octeon_mgmt_remove), |
diff --git a/drivers/net/phy/mdio-octeon.c b/drivers/net/phy/mdio-octeon.c index 826d961f39f7..d4015aa663e6 100644 --- a/drivers/net/phy/mdio-octeon.c +++ b/drivers/net/phy/mdio-octeon.c | |||
| @@ -3,14 +3,17 @@ | |||
| 3 | * License. See the file "COPYING" in the main directory of this archive | 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. | 4 | * for more details. |
| 5 | * | 5 | * |
| 6 | * Copyright (C) 2009 Cavium Networks | 6 | * Copyright (C) 2009,2011 Cavium, Inc. |
| 7 | */ | 7 | */ |
| 8 | 8 | ||
| 9 | #include <linux/gfp.h> | ||
| 10 | #include <linux/init.h> | ||
| 11 | #include <linux/module.h> | ||
| 12 | #include <linux/platform_device.h> | 9 | #include <linux/platform_device.h> |
| 10 | #include <linux/of_mdio.h> | ||
| 11 | #include <linux/delay.h> | ||
| 12 | #include <linux/module.h> | ||
| 13 | #include <linux/init.h> | ||
| 14 | #include <linux/gfp.h> | ||
| 13 | #include <linux/phy.h> | 15 | #include <linux/phy.h> |
| 16 | #include <linux/io.h> | ||
| 14 | 17 | ||
| 15 | #include <asm/octeon/octeon.h> | 18 | #include <asm/octeon/octeon.h> |
| 16 | #include <asm/octeon/cvmx-smix-defs.h> | 19 | #include <asm/octeon/cvmx-smix-defs.h> |
| @@ -18,9 +21,17 @@ | |||
| 18 | #define DRV_VERSION "1.0" | 21 | #define DRV_VERSION "1.0" |
| 19 | #define DRV_DESCRIPTION "Cavium Networks Octeon SMI/MDIO driver" | 22 | #define DRV_DESCRIPTION "Cavium Networks Octeon SMI/MDIO driver" |
| 20 | 23 | ||
| 24 | #define SMI_CMD 0x0 | ||
| 25 | #define SMI_WR_DAT 0x8 | ||
| 26 | #define SMI_RD_DAT 0x10 | ||
| 27 | #define SMI_CLK 0x18 | ||
| 28 | #define SMI_EN 0x20 | ||
| 29 | |||
| 21 | struct octeon_mdiobus { | 30 | struct octeon_mdiobus { |
| 22 | struct mii_bus *mii_bus; | 31 | struct mii_bus *mii_bus; |
| 23 | int unit; | 32 | u64 register_base; |
| 33 | resource_size_t mdio_phys; | ||
| 34 | resource_size_t regsize; | ||
| 24 | int phy_irq[PHY_MAX_ADDR]; | 35 | int phy_irq[PHY_MAX_ADDR]; |
| 25 | }; | 36 | }; |
| 26 | 37 | ||
| @@ -35,15 +46,15 @@ static int octeon_mdiobus_read(struct mii_bus *bus, int phy_id, int regnum) | |||
| 35 | smi_cmd.s.phy_op = 1; /* MDIO_CLAUSE_22_READ */ | 46 | smi_cmd.s.phy_op = 1; /* MDIO_CLAUSE_22_READ */ |
| 36 | smi_cmd.s.phy_adr = phy_id; | 47 | smi_cmd.s.phy_adr = phy_id; |
| 37 | smi_cmd.s.reg_adr = regnum; | 48 | smi_cmd.s.reg_adr = regnum; |
| 38 | cvmx_write_csr(CVMX_SMIX_CMD(p->unit), smi_cmd.u64); | 49 | cvmx_write_csr(p->register_base + SMI_CMD, smi_cmd.u64); |
| 39 | 50 | ||
| 40 | do { | 51 | do { |
| 41 | /* | 52 | /* |
| 42 | * Wait 1000 clocks so we don't saturate the RSL bus | 53 | * Wait 1000 clocks so we don't saturate the RSL bus |
| 43 | * doing reads. | 54 | * doing reads. |
| 44 | */ | 55 | */ |
| 45 | cvmx_wait(1000); | 56 | __delay(1000); |
| 46 | smi_rd.u64 = cvmx_read_csr(CVMX_SMIX_RD_DAT(p->unit)); | 57 | smi_rd.u64 = cvmx_read_csr(p->register_base + SMI_RD_DAT); |
| 47 | } while (smi_rd.s.pending && --timeout); | 58 | } while (smi_rd.s.pending && --timeout); |
| 48 | 59 | ||
| 49 | if (smi_rd.s.val) | 60 | if (smi_rd.s.val) |
| @@ -62,21 +73,21 @@ static int octeon_mdiobus_write(struct mii_bus *bus, int phy_id, | |||
| 62 | 73 | ||
| 63 | smi_wr.u64 = 0; | 74 | smi_wr.u64 = 0; |
| 64 | smi_wr.s.dat = val; | 75 | smi_wr.s.dat = val; |
| 65 | cvmx_write_csr(CVMX_SMIX_WR_DAT(p->unit), smi_wr.u64); | 76 | cvmx_write_csr(p->register_base + SMI_WR_DAT, smi_wr.u64); |
| 66 | 77 | ||
| 67 | smi_cmd.u64 = 0; | 78 | smi_cmd.u64 = 0; |
| 68 | smi_cmd.s.phy_op = 0; /* MDIO_CLAUSE_22_WRITE */ | 79 | smi_cmd.s.phy_op = 0; /* MDIO_CLAUSE_22_WRITE */ |
| 69 | smi_cmd.s.phy_adr = phy_id; | 80 | smi_cmd.s.phy_adr = phy_id; |
| 70 | smi_cmd.s.reg_adr = regnum; | 81 | smi_cmd.s.reg_adr = regnum; |
| 71 | cvmx_write_csr(CVMX_SMIX_CMD(p->unit), smi_cmd.u64); | 82 | cvmx_write_csr(p->register_base + SMI_CMD, smi_cmd.u64); |
| 72 | 83 | ||
| 73 | do { | 84 | do { |
| 74 | /* | 85 | /* |
| 75 | * Wait 1000 clocks so we don't saturate the RSL bus | 86 | * Wait 1000 clocks so we don't saturate the RSL bus |
| 76 | * doing reads. | 87 | * doing reads. |
| 77 | */ | 88 | */ |
| 78 | cvmx_wait(1000); | 89 | __delay(1000); |
| 79 | smi_wr.u64 = cvmx_read_csr(CVMX_SMIX_WR_DAT(p->unit)); | 90 | smi_wr.u64 = cvmx_read_csr(p->register_base + SMI_WR_DAT); |
| 80 | } while (smi_wr.s.pending && --timeout); | 91 | } while (smi_wr.s.pending && --timeout); |
| 81 | 92 | ||
| 82 | if (timeout <= 0) | 93 | if (timeout <= 0) |
| @@ -88,38 +99,44 @@ static int octeon_mdiobus_write(struct mii_bus *bus, int phy_id, | |||
| 88 | static int __devinit octeon_mdiobus_probe(struct platform_device *pdev) | 99 | static int __devinit octeon_mdiobus_probe(struct platform_device *pdev) |
| 89 | { | 100 | { |
| 90 | struct octeon_mdiobus *bus; | 101 | struct octeon_mdiobus *bus; |
| 102 | struct resource *res_mem; | ||
| 91 | union cvmx_smix_en smi_en; | 103 | union cvmx_smix_en smi_en; |
| 92 | int i; | ||
| 93 | int err = -ENOENT; | 104 | int err = -ENOENT; |
| 94 | 105 | ||
| 95 | bus = devm_kzalloc(&pdev->dev, sizeof(*bus), GFP_KERNEL); | 106 | bus = devm_kzalloc(&pdev->dev, sizeof(*bus), GFP_KERNEL); |
| 96 | if (!bus) | 107 | if (!bus) |
| 97 | return -ENOMEM; | 108 | return -ENOMEM; |
| 98 | 109 | ||
| 99 | /* The platform_device id is our unit number. */ | 110 | res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 100 | bus->unit = pdev->id; | 111 | |
| 112 | if (res_mem == NULL) { | ||
| 113 | dev_err(&pdev->dev, "found no memory resource\n"); | ||
| 114 | err = -ENXIO; | ||
| 115 | goto fail; | ||
| 116 | } | ||
| 117 | bus->mdio_phys = res_mem->start; | ||
| 118 | bus->regsize = resource_size(res_mem); | ||
| 119 | if (!devm_request_mem_region(&pdev->dev, bus->mdio_phys, bus->regsize, | ||
| 120 | res_mem->name)) { | ||
| 121 | dev_err(&pdev->dev, "request_mem_region failed\n"); | ||
| 122 | goto fail; | ||
| 123 | } | ||
| 124 | bus->register_base = | ||
| 125 | (u64)devm_ioremap(&pdev->dev, bus->mdio_phys, bus->regsize); | ||
| 101 | 126 | ||
| 102 | bus->mii_bus = mdiobus_alloc(); | 127 | bus->mii_bus = mdiobus_alloc(); |
| 103 | 128 | ||
| 104 | if (!bus->mii_bus) | 129 | if (!bus->mii_bus) |
| 105 | goto err; | 130 | goto fail; |
| 106 | 131 | ||
| 107 | smi_en.u64 = 0; | 132 | smi_en.u64 = 0; |
| 108 | smi_en.s.en = 1; | 133 | smi_en.s.en = 1; |
| 109 | cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64); | 134 | cvmx_write_csr(bus->register_base + SMI_EN, smi_en.u64); |
| 110 | |||
| 111 | /* | ||
| 112 | * Standard Octeon evaluation boards don't support phy | ||
| 113 | * interrupts, we need to poll. | ||
| 114 | */ | ||
| 115 | for (i = 0; i < PHY_MAX_ADDR; i++) | ||
| 116 | bus->phy_irq[i] = PHY_POLL; | ||
| 117 | 135 | ||
| 118 | bus->mii_bus->priv = bus; | 136 | bus->mii_bus->priv = bus; |
| 119 | bus->mii_bus->irq = bus->phy_irq; | 137 | bus->mii_bus->irq = bus->phy_irq; |
| 120 | bus->mii_bus->name = "mdio-octeon"; | 138 | bus->mii_bus->name = "mdio-octeon"; |
| 121 | snprintf(bus->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", | 139 | snprintf(bus->mii_bus->id, MII_BUS_ID_SIZE, "%llx", bus->register_base); |
| 122 | bus->mii_bus->name, bus->unit); | ||
| 123 | bus->mii_bus->parent = &pdev->dev; | 140 | bus->mii_bus->parent = &pdev->dev; |
| 124 | 141 | ||
| 125 | bus->mii_bus->read = octeon_mdiobus_read; | 142 | bus->mii_bus->read = octeon_mdiobus_read; |
| @@ -127,20 +144,18 @@ static int __devinit octeon_mdiobus_probe(struct platform_device *pdev) | |||
| 127 | 144 | ||
| 128 | dev_set_drvdata(&pdev->dev, bus); | 145 | dev_set_drvdata(&pdev->dev, bus); |
| 129 | 146 | ||
| 130 | err = mdiobus_register(bus->mii_bus); | 147 | err = of_mdiobus_register(bus->mii_bus, pdev->dev.of_node); |
| 131 | if (err) | 148 | if (err) |
| 132 | goto err_register; | 149 | goto fail_register; |
| 133 | 150 | ||
| 134 | dev_info(&pdev->dev, "Version " DRV_VERSION "\n"); | 151 | dev_info(&pdev->dev, "Version " DRV_VERSION "\n"); |
| 135 | 152 | ||
| 136 | return 0; | 153 | return 0; |
| 137 | err_register: | 154 | fail_register: |
| 138 | mdiobus_free(bus->mii_bus); | 155 | mdiobus_free(bus->mii_bus); |
| 139 | 156 | fail: | |
| 140 | err: | ||
| 141 | devm_kfree(&pdev->dev, bus); | ||
| 142 | smi_en.u64 = 0; | 157 | smi_en.u64 = 0; |
| 143 | cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64); | 158 | cvmx_write_csr(bus->register_base + SMI_EN, smi_en.u64); |
| 144 | return err; | 159 | return err; |
| 145 | } | 160 | } |
| 146 | 161 | ||
| @@ -154,14 +169,23 @@ static int __devexit octeon_mdiobus_remove(struct platform_device *pdev) | |||
| 154 | mdiobus_unregister(bus->mii_bus); | 169 | mdiobus_unregister(bus->mii_bus); |
| 155 | mdiobus_free(bus->mii_bus); | 170 | mdiobus_free(bus->mii_bus); |
| 156 | smi_en.u64 = 0; | 171 | smi_en.u64 = 0; |
| 157 | cvmx_write_csr(CVMX_SMIX_EN(bus->unit), smi_en.u64); | 172 | cvmx_write_csr(bus->register_base + SMI_EN, smi_en.u64); |
| 158 | return 0; | 173 | return 0; |
| 159 | } | 174 | } |
| 160 | 175 | ||
| 176 | static struct of_device_id octeon_mdiobus_match[] = { | ||
| 177 | { | ||
| 178 | .compatible = "cavium,octeon-3860-mdio", | ||
| 179 | }, | ||
| 180 | {}, | ||
| 181 | }; | ||
| 182 | MODULE_DEVICE_TABLE(of, octeon_mdiobus_match); | ||
| 183 | |||
| 161 | static struct platform_driver octeon_mdiobus_driver = { | 184 | static struct platform_driver octeon_mdiobus_driver = { |
| 162 | .driver = { | 185 | .driver = { |
| 163 | .name = "mdio-octeon", | 186 | .name = "mdio-octeon", |
| 164 | .owner = THIS_MODULE, | 187 | .owner = THIS_MODULE, |
| 188 | .of_match_table = octeon_mdiobus_match, | ||
| 165 | }, | 189 | }, |
| 166 | .probe = octeon_mdiobus_probe, | 190 | .probe = octeon_mdiobus_probe, |
| 167 | .remove = __devexit_p(octeon_mdiobus_remove), | 191 | .remove = __devexit_p(octeon_mdiobus_remove), |
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index cd2fe350e724..b18abf31fd08 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig | |||
| @@ -144,6 +144,15 @@ config SPI_EP93XX | |||
| 144 | This enables using the Cirrus EP93xx SPI controller in master | 144 | This enables using the Cirrus EP93xx SPI controller in master |
| 145 | mode. | 145 | mode. |
| 146 | 146 | ||
| 147 | config SPI_FALCON | ||
| 148 | tristate "Falcon SPI controller support" | ||
| 149 | depends on SOC_FALCON | ||
| 150 | help | ||
| 151 | The external bus unit (EBU) found on the FALC-ON SoC has SPI | ||
| 152 | emulation that is designed for serial flash access. This driver | ||
| 153 | has only been tested with m25p80 type chips. The hardware has no | ||
| 154 | support for other types of SPI peripherals. | ||
| 155 | |||
| 147 | config SPI_GPIO | 156 | config SPI_GPIO |
| 148 | tristate "GPIO-based bitbanging SPI Master" | 157 | tristate "GPIO-based bitbanging SPI Master" |
| 149 | depends on GENERIC_GPIO | 158 | depends on GENERIC_GPIO |
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 9d75d2198ff5..b5cbab2b5ab0 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile | |||
| @@ -26,6 +26,7 @@ obj-$(CONFIG_SPI_DW_MMIO) += spi-dw-mmio.o | |||
| 26 | obj-$(CONFIG_SPI_DW_PCI) += spi-dw-midpci.o | 26 | obj-$(CONFIG_SPI_DW_PCI) += spi-dw-midpci.o |
| 27 | spi-dw-midpci-objs := spi-dw-pci.o spi-dw-mid.o | 27 | spi-dw-midpci-objs := spi-dw-pci.o spi-dw-mid.o |
| 28 | obj-$(CONFIG_SPI_EP93XX) += spi-ep93xx.o | 28 | obj-$(CONFIG_SPI_EP93XX) += spi-ep93xx.o |
| 29 | obj-$(CONFIG_SPI_FALCON) += spi-falcon.o | ||
| 29 | obj-$(CONFIG_SPI_FSL_LIB) += spi-fsl-lib.o | 30 | obj-$(CONFIG_SPI_FSL_LIB) += spi-fsl-lib.o |
| 30 | obj-$(CONFIG_SPI_FSL_ESPI) += spi-fsl-espi.o | 31 | obj-$(CONFIG_SPI_FSL_ESPI) += spi-fsl-espi.o |
| 31 | obj-$(CONFIG_SPI_FSL_SPI) += spi-fsl-spi.o | 32 | obj-$(CONFIG_SPI_FSL_SPI) += spi-fsl-spi.o |
diff --git a/drivers/spi/spi-falcon.c b/drivers/spi/spi-falcon.c new file mode 100644 index 000000000000..8f6aa735a24c --- /dev/null +++ b/drivers/spi/spi-falcon.c | |||
| @@ -0,0 +1,469 @@ | |||
| 1 | /* | ||
| 2 | * This program is free software; you can redistribute it and/or modify it | ||
| 3 | * under the terms of the GNU General Public License version 2 as published | ||
| 4 | * by the Free Software Foundation. | ||
| 5 | * | ||
| 6 | * Copyright (C) 2012 Thomas Langer <thomas.langer@lantiq.com> | ||
| 7 | */ | ||
| 8 | |||
| 9 | #include <linux/module.h> | ||
| 10 | #include <linux/device.h> | ||
| 11 | #include <linux/platform_device.h> | ||
| 12 | #include <linux/spi/spi.h> | ||
| 13 | #include <linux/delay.h> | ||
| 14 | #include <linux/workqueue.h> | ||
| 15 | #include <linux/of.h> | ||
| 16 | #include <linux/of_platform.h> | ||
| 17 | |||
| 18 | #include <lantiq_soc.h> | ||
| 19 | |||
| 20 | #define DRV_NAME "sflash-falcon" | ||
| 21 | |||
| 22 | #define FALCON_SPI_XFER_BEGIN (1 << 0) | ||
| 23 | #define FALCON_SPI_XFER_END (1 << 1) | ||
| 24 | |||
| 25 | /* Bus Read Configuration Register0 */ | ||
| 26 | #define BUSRCON0 0x00000010 | ||
| 27 | /* Bus Write Configuration Register0 */ | ||
| 28 | #define BUSWCON0 0x00000018 | ||
| 29 | /* Serial Flash Configuration Register */ | ||
| 30 | #define SFCON 0x00000080 | ||
| 31 | /* Serial Flash Time Register */ | ||
| 32 | #define SFTIME 0x00000084 | ||
| 33 | /* Serial Flash Status Register */ | ||
| 34 | #define SFSTAT 0x00000088 | ||
| 35 | /* Serial Flash Command Register */ | ||
| 36 | #define SFCMD 0x0000008C | ||
| 37 | /* Serial Flash Address Register */ | ||
| 38 | #define SFADDR 0x00000090 | ||
| 39 | /* Serial Flash Data Register */ | ||
| 40 | #define SFDATA 0x00000094 | ||
| 41 | /* Serial Flash I/O Control Register */ | ||
| 42 | #define SFIO 0x00000098 | ||
| 43 | /* EBU Clock Control Register */ | ||
| 44 | #define EBUCC 0x000000C4 | ||
| 45 | |||
| 46 | /* Dummy Phase Length */ | ||
| 47 | #define SFCMD_DUMLEN_OFFSET 16 | ||
| 48 | #define SFCMD_DUMLEN_MASK 0x000F0000 | ||
| 49 | /* Chip Select */ | ||
| 50 | #define SFCMD_CS_OFFSET 24 | ||
| 51 | #define SFCMD_CS_MASK 0x07000000 | ||
| 52 | /* field offset */ | ||
| 53 | #define SFCMD_ALEN_OFFSET 20 | ||
| 54 | #define SFCMD_ALEN_MASK 0x00700000 | ||
| 55 | /* SCK Rise-edge Position */ | ||
| 56 | #define SFTIME_SCKR_POS_OFFSET 8 | ||
| 57 | #define SFTIME_SCKR_POS_MASK 0x00000F00 | ||
| 58 | /* SCK Period */ | ||
| 59 | #define SFTIME_SCK_PER_OFFSET 0 | ||
| 60 | #define SFTIME_SCK_PER_MASK 0x0000000F | ||
| 61 | /* SCK Fall-edge Position */ | ||
| 62 | #define SFTIME_SCKF_POS_OFFSET 12 | ||
| 63 | #define SFTIME_SCKF_POS_MASK 0x0000F000 | ||
| 64 | /* Device Size */ | ||
| 65 | #define SFCON_DEV_SIZE_A23_0 0x03000000 | ||
| 66 | #define SFCON_DEV_SIZE_MASK 0x0F000000 | ||
| 67 | /* Read Data Position */ | ||
| 68 | #define SFTIME_RD_POS_MASK 0x000F0000 | ||
| 69 | /* Data Output */ | ||
| 70 | #define SFIO_UNUSED_WD_MASK 0x0000000F | ||
| 71 | /* Command Opcode mask */ | ||
| 72 | #define SFCMD_OPC_MASK 0x000000FF | ||
| 73 | /* dlen bytes of data to write */ | ||
| 74 | #define SFCMD_DIR_WRITE 0x00000100 | ||
| 75 | /* Data Length offset */ | ||
| 76 | #define SFCMD_DLEN_OFFSET 9 | ||
| 77 | /* Command Error */ | ||
| 78 | #define SFSTAT_CMD_ERR 0x20000000 | ||
| 79 | /* Access Command Pending */ | ||
| 80 | #define SFSTAT_CMD_PEND 0x00400000 | ||
| 81 | /* Frequency set to 100MHz. */ | ||
| 82 | #define EBUCC_EBUDIV_SELF100 0x00000001 | ||
| 83 | /* Serial Flash */ | ||
| 84 | #define BUSRCON0_AGEN_SERIAL_FLASH 0xF0000000 | ||
| 85 | /* 8-bit multiplexed */ | ||
| 86 | #define BUSRCON0_PORTW_8_BIT_MUX 0x00000000 | ||
| 87 | /* Serial Flash */ | ||
| 88 | #define BUSWCON0_AGEN_SERIAL_FLASH 0xF0000000 | ||
| 89 | /* Chip Select after opcode */ | ||
| 90 | #define SFCMD_KEEP_CS_KEEP_SELECTED 0x00008000 | ||
| 91 | |||
| 92 | #define CLOCK_100M 100000000 | ||
| 93 | #define CLOCK_50M 50000000 | ||
| 94 | |||
| 95 | struct falcon_sflash { | ||
| 96 | u32 sfcmd; /* for caching of opcode, direction, ... */ | ||
| 97 | struct spi_master *master; | ||
| 98 | }; | ||
| 99 | |||
| 100 | int falcon_sflash_xfer(struct spi_device *spi, struct spi_transfer *t, | ||
| 101 | unsigned long flags) | ||
| 102 | { | ||
| 103 | struct device *dev = &spi->dev; | ||
| 104 | struct falcon_sflash *priv = spi_master_get_devdata(spi->master); | ||
| 105 | const u8 *txp = t->tx_buf; | ||
| 106 | u8 *rxp = t->rx_buf; | ||
| 107 | unsigned int bytelen = ((8 * t->len + 7) / 8); | ||
| 108 | unsigned int len, alen, dumlen; | ||
| 109 | u32 val; | ||
| 110 | enum { | ||
| 111 | state_init, | ||
| 112 | state_command_prepare, | ||
| 113 | state_write, | ||
| 114 | state_read, | ||
| 115 | state_disable_cs, | ||
| 116 | state_end | ||
| 117 | } state = state_init; | ||
| 118 | |||
| 119 | do { | ||
| 120 | switch (state) { | ||
| 121 | case state_init: /* detect phase of upper layer sequence */ | ||
| 122 | { | ||
| 123 | /* initial write ? */ | ||
| 124 | if (flags & FALCON_SPI_XFER_BEGIN) { | ||
| 125 | if (!txp) { | ||
| 126 | dev_err(dev, | ||
| 127 | "BEGIN without tx data!\n"); | ||
| 128 | return -ENODATA; | ||
| 129 | } | ||
| 130 | /* | ||
| 131 | * Prepare the parts of the sfcmd register, | ||
| 132 | * which should not change during a sequence! | ||
| 133 | * Only exception are the length fields, | ||
| 134 | * especially alen and dumlen. | ||
| 135 | */ | ||
| 136 | |||
| 137 | priv->sfcmd = ((spi->chip_select | ||
| 138 | << SFCMD_CS_OFFSET) | ||
| 139 | & SFCMD_CS_MASK); | ||
| 140 | priv->sfcmd |= SFCMD_KEEP_CS_KEEP_SELECTED; | ||
| 141 | priv->sfcmd |= *txp; | ||
| 142 | txp++; | ||
| 143 | bytelen--; | ||
| 144 | if (bytelen) { | ||
| 145 | /* | ||
| 146 | * more data: | ||
| 147 | * maybe address and/or dummy | ||
| 148 | */ | ||
| 149 | state = state_command_prepare; | ||
| 150 | break; | ||
| 151 | } else { | ||
| 152 | dev_dbg(dev, "write cmd %02X\n", | ||
| 153 | priv->sfcmd & SFCMD_OPC_MASK); | ||
| 154 | } | ||
| 155 | } | ||
| 156 | /* continued write ? */ | ||
| 157 | if (txp && bytelen) { | ||
| 158 | state = state_write; | ||
| 159 | break; | ||
| 160 | } | ||
| 161 | /* read data? */ | ||
| 162 | if (rxp && bytelen) { | ||
| 163 | state = state_read; | ||
| 164 | break; | ||
| 165 | } | ||
| 166 | /* end of sequence? */ | ||
| 167 | if (flags & FALCON_SPI_XFER_END) | ||
| 168 | state = state_disable_cs; | ||
| 169 | else | ||
| 170 | state = state_end; | ||
| 171 | break; | ||
| 172 | } | ||
| 173 | /* collect tx data for address and dummy phase */ | ||
| 174 | case state_command_prepare: | ||
| 175 | { | ||
| 176 | /* txp is valid, already checked */ | ||
| 177 | val = 0; | ||
| 178 | alen = 0; | ||
| 179 | dumlen = 0; | ||
| 180 | while (bytelen > 0) { | ||
| 181 | if (alen < 3) { | ||
| 182 | val = (val << 8) | (*txp++); | ||
| 183 | alen++; | ||
| 184 | } else if ((dumlen < 15) && (*txp == 0)) { | ||
| 185 | /* | ||
| 186 | * assume dummy bytes are set to 0 | ||
| 187 | * from upper layer | ||
| 188 | */ | ||
| 189 | dumlen++; | ||
| 190 | txp++; | ||
| 191 | } else { | ||
| 192 | break; | ||
| 193 | } | ||
| 194 | bytelen--; | ||
| 195 | } | ||
| 196 | priv->sfcmd &= ~(SFCMD_ALEN_MASK | SFCMD_DUMLEN_MASK); | ||
| 197 | priv->sfcmd |= (alen << SFCMD_ALEN_OFFSET) | | ||
| 198 | (dumlen << SFCMD_DUMLEN_OFFSET); | ||
| 199 | if (alen > 0) | ||
| 200 | ltq_ebu_w32(val, SFADDR); | ||
| 201 | |||
| 202 | dev_dbg(dev, "wr %02X, alen=%d (addr=%06X) dlen=%d\n", | ||
| 203 | priv->sfcmd & SFCMD_OPC_MASK, | ||
| 204 | alen, val, dumlen); | ||
| 205 | |||
| 206 | if (bytelen > 0) { | ||
| 207 | /* continue with write */ | ||
| 208 | state = state_write; | ||
| 209 | } else if (flags & FALCON_SPI_XFER_END) { | ||
| 210 | /* end of sequence? */ | ||
| 211 | state = state_disable_cs; | ||
| 212 | } else { | ||
| 213 | /* | ||
| 214 | * go to end and expect another | ||
| 215 | * call (read or write) | ||
| 216 | */ | ||
| 217 | state = state_end; | ||
| 218 | } | ||
| 219 | break; | ||
| 220 | } | ||
| 221 | case state_write: | ||
| 222 | { | ||
| 223 | /* txp still valid */ | ||
| 224 | priv->sfcmd |= SFCMD_DIR_WRITE; | ||
| 225 | len = 0; | ||
| 226 | val = 0; | ||
| 227 | do { | ||
| 228 | if (bytelen--) | ||
| 229 | val |= (*txp++) << (8 * len++); | ||
| 230 | if ((flags & FALCON_SPI_XFER_END) | ||
| 231 | && (bytelen == 0)) { | ||
| 232 | priv->sfcmd &= | ||
| 233 | ~SFCMD_KEEP_CS_KEEP_SELECTED; | ||
| 234 | } | ||
| 235 | if ((len == 4) || (bytelen == 0)) { | ||
| 236 | ltq_ebu_w32(val, SFDATA); | ||
| 237 | ltq_ebu_w32(priv->sfcmd | ||
| 238 | | (len<<SFCMD_DLEN_OFFSET), | ||
| 239 | SFCMD); | ||
| 240 | len = 0; | ||
| 241 | val = 0; | ||
| 242 | priv->sfcmd &= ~(SFCMD_ALEN_MASK | ||
| 243 | | SFCMD_DUMLEN_MASK); | ||
| 244 | } | ||
| 245 | } while (bytelen); | ||
| 246 | state = state_end; | ||
| 247 | break; | ||
| 248 | } | ||
| 249 | case state_read: | ||
| 250 | { | ||
| 251 | /* read data */ | ||
| 252 | priv->sfcmd &= ~SFCMD_DIR_WRITE; | ||
| 253 | do { | ||
| 254 | if ((flags & FALCON_SPI_XFER_END) | ||
| 255 | && (bytelen <= 4)) { | ||
| 256 | priv->sfcmd &= | ||
| 257 | ~SFCMD_KEEP_CS_KEEP_SELECTED; | ||
| 258 | } | ||
| 259 | len = (bytelen > 4) ? 4 : bytelen; | ||
| 260 | bytelen -= len; | ||
| 261 | ltq_ebu_w32(priv->sfcmd | ||
| 262 | | (len << SFCMD_DLEN_OFFSET), SFCMD); | ||
| 263 | priv->sfcmd &= ~(SFCMD_ALEN_MASK | ||
| 264 | | SFCMD_DUMLEN_MASK); | ||
| 265 | do { | ||
| 266 | val = ltq_ebu_r32(SFSTAT); | ||
| 267 | if (val & SFSTAT_CMD_ERR) { | ||
| 268 | /* reset error status */ | ||
| 269 | dev_err(dev, "SFSTAT: CMD_ERR"); | ||
| 270 | dev_err(dev, " (%x)\n", val); | ||
| 271 | ltq_ebu_w32(SFSTAT_CMD_ERR, | ||
| 272 | SFSTAT); | ||
| 273 | return -EBADE; | ||
| 274 | } | ||
| 275 | } while (val & SFSTAT_CMD_PEND); | ||
| 276 | val = ltq_ebu_r32(SFDATA); | ||
| 277 | do { | ||
| 278 | *rxp = (val & 0xFF); | ||
| 279 | rxp++; | ||
| 280 | val >>= 8; | ||
| 281 | len--; | ||
| 282 | } while (len); | ||
| 283 | } while (bytelen); | ||
| 284 | state = state_end; | ||
| 285 | break; | ||
| 286 | } | ||
| 287 | case state_disable_cs: | ||
| 288 | { | ||
| 289 | priv->sfcmd &= ~SFCMD_KEEP_CS_KEEP_SELECTED; | ||
| 290 | ltq_ebu_w32(priv->sfcmd | (0 << SFCMD_DLEN_OFFSET), | ||
| 291 | SFCMD); | ||
| 292 | val = ltq_ebu_r32(SFSTAT); | ||
| 293 | if (val & SFSTAT_CMD_ERR) { | ||
| 294 | /* reset error status */ | ||
| 295 | dev_err(dev, "SFSTAT: CMD_ERR (%x)\n", val); | ||
| 296 | ltq_ebu_w32(SFSTAT_CMD_ERR, SFSTAT); | ||
| 297 | return -EBADE; | ||
| 298 | } | ||
| 299 | state = state_end; | ||
| 300 | break; | ||
| 301 | } | ||
| 302 | case state_end: | ||
| 303 | break; | ||
| 304 | } | ||
| 305 | } while (state != state_end); | ||
| 306 | |||
| 307 | return 0; | ||
| 308 | } | ||
| 309 | |||
| 310 | static int falcon_sflash_setup(struct spi_device *spi) | ||
| 311 | { | ||
| 312 | unsigned int i; | ||
| 313 | unsigned long flags; | ||
| 314 | |||
| 315 | if (spi->chip_select > 0) | ||
| 316 | return -ENODEV; | ||
| 317 | |||
| 318 | spin_lock_irqsave(&ebu_lock, flags); | ||
| 319 | |||
| 320 | if (spi->max_speed_hz >= CLOCK_100M) { | ||
| 321 | /* set EBU clock to 100 MHz */ | ||
| 322 | ltq_sys1_w32_mask(0, EBUCC_EBUDIV_SELF100, EBUCC); | ||
| 323 | i = 1; /* divider */ | ||
| 324 | } else { | ||
| 325 | /* set EBU clock to 50 MHz */ | ||
| 326 | ltq_sys1_w32_mask(EBUCC_EBUDIV_SELF100, 0, EBUCC); | ||
| 327 | |||
| 328 | /* search for suitable divider */ | ||
| 329 | for (i = 1; i < 7; i++) { | ||
| 330 | if (CLOCK_50M / i <= spi->max_speed_hz) | ||
| 331 | break; | ||
| 332 | } | ||
| 333 | } | ||
| 334 | |||
| 335 | /* setup period of serial clock */ | ||
| 336 | ltq_ebu_w32_mask(SFTIME_SCKF_POS_MASK | ||
| 337 | | SFTIME_SCKR_POS_MASK | ||
| 338 | | SFTIME_SCK_PER_MASK, | ||
| 339 | (i << SFTIME_SCKR_POS_OFFSET) | ||
| 340 | | (i << (SFTIME_SCK_PER_OFFSET + 1)), | ||
| 341 | SFTIME); | ||
| 342 | |||
| 343 | /* | ||
| 344 | * set some bits of unused_wd, to not trigger HOLD/WP | ||
| 345 | * signals on non QUAD flashes | ||
| 346 | */ | ||
| 347 | ltq_ebu_w32((SFIO_UNUSED_WD_MASK & (0x8 | 0x4)), SFIO); | ||
| 348 | |||
| 349 | ltq_ebu_w32(BUSRCON0_AGEN_SERIAL_FLASH | BUSRCON0_PORTW_8_BIT_MUX, | ||
| 350 | BUSRCON0); | ||
| 351 | ltq_ebu_w32(BUSWCON0_AGEN_SERIAL_FLASH, BUSWCON0); | ||
| 352 | /* set address wrap around to maximum for 24-bit addresses */ | ||
| 353 | ltq_ebu_w32_mask(SFCON_DEV_SIZE_MASK, SFCON_DEV_SIZE_A23_0, SFCON); | ||
| 354 | |||
| 355 | spin_unlock_irqrestore(&ebu_lock, flags); | ||
| 356 | |||
| 357 | return 0; | ||
| 358 | } | ||
| 359 | |||
| 360 | static int falcon_sflash_prepare_xfer(struct spi_master *master) | ||
| 361 | { | ||
| 362 | return 0; | ||
| 363 | } | ||
| 364 | |||
| 365 | static int falcon_sflash_unprepare_xfer(struct spi_master *master) | ||
| 366 | { | ||
| 367 | return 0; | ||
| 368 | } | ||
| 369 | |||
| 370 | static int falcon_sflash_xfer_one(struct spi_master *master, | ||
| 371 | struct spi_message *m) | ||
| 372 | { | ||
| 373 | struct falcon_sflash *priv = spi_master_get_devdata(master); | ||
| 374 | struct spi_transfer *t; | ||
| 375 | unsigned long spi_flags; | ||
| 376 | unsigned long flags; | ||
| 377 | int ret = 0; | ||
| 378 | |||
| 379 | priv->sfcmd = 0; | ||
| 380 | m->actual_length = 0; | ||
| 381 | |||
| 382 | spi_flags = FALCON_SPI_XFER_BEGIN; | ||
| 383 | list_for_each_entry(t, &m->transfers, transfer_list) { | ||
| 384 | if (list_is_last(&t->transfer_list, &m->transfers)) | ||
| 385 | spi_flags |= FALCON_SPI_XFER_END; | ||
| 386 | |||
| 387 | spin_lock_irqsave(&ebu_lock, flags); | ||
| 388 | ret = falcon_sflash_xfer(m->spi, t, spi_flags); | ||
| 389 | spin_unlock_irqrestore(&ebu_lock, flags); | ||
| 390 | |||
| 391 | if (ret) | ||
| 392 | break; | ||
| 393 | |||
| 394 | m->actual_length += t->len; | ||
| 395 | |||
| 396 | WARN_ON(t->delay_usecs || t->cs_change); | ||
| 397 | spi_flags = 0; | ||
| 398 | } | ||
| 399 | |||
| 400 | m->status = ret; | ||
| 401 | m->complete(m->context); | ||
| 402 | |||
| 403 | return 0; | ||
| 404 | } | ||
| 405 | |||
| 406 | static int __devinit falcon_sflash_probe(struct platform_device *pdev) | ||
| 407 | { | ||
| 408 | struct falcon_sflash *priv; | ||
| 409 | struct spi_master *master; | ||
| 410 | int ret; | ||
| 411 | |||
| 412 | if (ltq_boot_select() != BS_SPI) { | ||
| 413 | dev_err(&pdev->dev, "invalid bootstrap options\n"); | ||
| 414 | return -ENODEV; | ||
| 415 | } | ||
| 416 | |||
| 417 | master = spi_alloc_master(&pdev->dev, sizeof(*priv)); | ||
| 418 | if (!master) | ||
| 419 | return -ENOMEM; | ||
| 420 | |||
| 421 | priv = spi_master_get_devdata(master); | ||
| 422 | priv->master = master; | ||
| 423 | |||
| 424 | master->mode_bits = SPI_MODE_3; | ||
| 425 | master->num_chipselect = 1; | ||
| 426 | master->bus_num = -1; | ||
| 427 | master->setup = falcon_sflash_setup; | ||
| 428 | master->prepare_transfer_hardware = falcon_sflash_prepare_xfer; | ||
| 429 | master->transfer_one_message = falcon_sflash_xfer_one; | ||
| 430 | master->unprepare_transfer_hardware = falcon_sflash_unprepare_xfer; | ||
| 431 | master->dev.of_node = pdev->dev.of_node; | ||
| 432 | |||
| 433 | platform_set_drvdata(pdev, priv); | ||
| 434 | |||
| 435 | ret = spi_register_master(master); | ||
| 436 | if (ret) | ||
| 437 | spi_master_put(master); | ||
| 438 | return ret; | ||
| 439 | } | ||
| 440 | |||
| 441 | static int __devexit falcon_sflash_remove(struct platform_device *pdev) | ||
| 442 | { | ||
| 443 | struct falcon_sflash *priv = platform_get_drvdata(pdev); | ||
| 444 | |||
| 445 | spi_unregister_master(priv->master); | ||
| 446 | |||
| 447 | return 0; | ||
| 448 | } | ||
| 449 | |||
| 450 | static const struct of_device_id falcon_sflash_match[] = { | ||
| 451 | { .compatible = "lantiq,sflash-falcon" }, | ||
| 452 | {}, | ||
| 453 | }; | ||
| 454 | MODULE_DEVICE_TABLE(of, falcon_sflash_match); | ||
| 455 | |||
| 456 | static struct platform_driver falcon_sflash_driver = { | ||
| 457 | .probe = falcon_sflash_probe, | ||
| 458 | .remove = __devexit_p(falcon_sflash_remove), | ||
| 459 | .driver = { | ||
| 460 | .name = DRV_NAME, | ||
| 461 | .owner = THIS_MODULE, | ||
| 462 | .of_match_table = falcon_sflash_match, | ||
| 463 | } | ||
| 464 | }; | ||
| 465 | |||
| 466 | module_platform_driver(falcon_sflash_driver); | ||
| 467 | |||
| 468 | MODULE_LICENSE("GPL"); | ||
| 469 | MODULE_DESCRIPTION("Lantiq Falcon SPI/SFLASH controller driver"); | ||
diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c index e31949c9c87e..f15b31b37ca5 100644 --- a/drivers/staging/octeon/ethernet-mdio.c +++ b/drivers/staging/octeon/ethernet-mdio.c | |||
| @@ -28,6 +28,7 @@ | |||
| 28 | #include <linux/ethtool.h> | 28 | #include <linux/ethtool.h> |
| 29 | #include <linux/phy.h> | 29 | #include <linux/phy.h> |
| 30 | #include <linux/ratelimit.h> | 30 | #include <linux/ratelimit.h> |
| 31 | #include <linux/of_mdio.h> | ||
| 31 | 32 | ||
| 32 | #include <net/dst.h> | 33 | #include <net/dst.h> |
| 33 | 34 | ||
| @@ -161,22 +162,23 @@ static void cvm_oct_adjust_link(struct net_device *dev) | |||
| 161 | int cvm_oct_phy_setup_device(struct net_device *dev) | 162 | int cvm_oct_phy_setup_device(struct net_device *dev) |
| 162 | { | 163 | { |
| 163 | struct octeon_ethernet *priv = netdev_priv(dev); | 164 | struct octeon_ethernet *priv = netdev_priv(dev); |
| 165 | struct device_node *phy_node; | ||
| 164 | 166 | ||
| 165 | int phy_addr = cvmx_helper_board_get_mii_address(priv->port); | 167 | if (!priv->of_node) |
| 166 | if (phy_addr != -1) { | 168 | return 0; |
| 167 | char phy_id[MII_BUS_ID_SIZE + 3]; | ||
| 168 | 169 | ||
| 169 | snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "mdio-octeon-0", phy_addr); | 170 | phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0); |
| 171 | if (!phy_node) | ||
| 172 | return 0; | ||
| 170 | 173 | ||
| 171 | priv->phydev = phy_connect(dev, phy_id, cvm_oct_adjust_link, 0, | 174 | priv->phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0, |
| 172 | PHY_INTERFACE_MODE_GMII); | 175 | PHY_INTERFACE_MODE_GMII); |
| 176 | |||
| 177 | if (priv->phydev == NULL) | ||
| 178 | return -ENODEV; | ||
| 179 | |||
| 180 | priv->last_link = 0; | ||
| 181 | phy_start_aneg(priv->phydev); | ||
| 173 | 182 | ||
| 174 | if (IS_ERR(priv->phydev)) { | ||
| 175 | priv->phydev = NULL; | ||
| 176 | return -1; | ||
| 177 | } | ||
| 178 | priv->last_link = 0; | ||
| 179 | phy_start_aneg(priv->phydev); | ||
| 180 | } | ||
| 181 | return 0; | 183 | return 0; |
| 182 | } | 184 | } |
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c index 18f7a790f73d..683bedc74dde 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c | |||
| @@ -24,6 +24,7 @@ | |||
| 24 | * This file may also be available under a different license from Cavium. | 24 | * This file may also be available under a different license from Cavium. |
| 25 | * Contact Cavium Networks for more information | 25 | * Contact Cavium Networks for more information |
| 26 | **********************************************************************/ | 26 | **********************************************************************/ |
| 27 | #include <linux/platform_device.h> | ||
| 27 | #include <linux/kernel.h> | 28 | #include <linux/kernel.h> |
| 28 | #include <linux/init.h> | 29 | #include <linux/init.h> |
| 29 | #include <linux/module.h> | 30 | #include <linux/module.h> |
| @@ -32,6 +33,7 @@ | |||
| 32 | #include <linux/phy.h> | 33 | #include <linux/phy.h> |
| 33 | #include <linux/slab.h> | 34 | #include <linux/slab.h> |
| 34 | #include <linux/interrupt.h> | 35 | #include <linux/interrupt.h> |
| 36 | #include <linux/of_net.h> | ||
| 35 | 37 | ||
| 36 | #include <net/dst.h> | 38 | #include <net/dst.h> |
| 37 | 39 | ||
| @@ -113,15 +115,6 @@ int rx_napi_weight = 32; | |||
| 113 | module_param(rx_napi_weight, int, 0444); | 115 | module_param(rx_napi_weight, int, 0444); |
| 114 | MODULE_PARM_DESC(rx_napi_weight, "The NAPI WEIGHT parameter."); | 116 | MODULE_PARM_DESC(rx_napi_weight, "The NAPI WEIGHT parameter."); |
| 115 | 117 | ||
| 116 | /* | ||
| 117 | * The offset from mac_addr_base that should be used for the next port | ||
| 118 | * that is configured. By convention, if any mgmt ports exist on the | ||
| 119 | * chip, they get the first mac addresses, The ports controlled by | ||
| 120 | * this driver are numbered sequencially following any mgmt addresses | ||
| 121 | * that may exist. | ||
| 122 | */ | ||
| 123 | static unsigned int cvm_oct_mac_addr_offset; | ||
| 124 | |||
| 125 | /** | 118 | /** |
| 126 | * cvm_oct_poll_queue - Workqueue for polling operations. | 119 | * cvm_oct_poll_queue - Workqueue for polling operations. |
| 127 | */ | 120 | */ |
| @@ -176,7 +169,7 @@ static void cvm_oct_periodic_worker(struct work_struct *work) | |||
| 176 | queue_delayed_work(cvm_oct_poll_queue, &priv->port_periodic_work, HZ); | 169 | queue_delayed_work(cvm_oct_poll_queue, &priv->port_periodic_work, HZ); |
| 177 | } | 170 | } |
| 178 | 171 | ||
| 179 | static __init void cvm_oct_configure_common_hw(void) | 172 | static __devinit void cvm_oct_configure_common_hw(void) |
| 180 | { | 173 | { |
| 181 | /* Setup the FPA */ | 174 | /* Setup the FPA */ |
| 182 | cvmx_fpa_enable(); | 175 | cvmx_fpa_enable(); |
| @@ -396,23 +389,21 @@ static void cvm_oct_common_set_multicast_list(struct net_device *dev) | |||
| 396 | 389 | ||
| 397 | * Returns Zero on success | 390 | * Returns Zero on success |
| 398 | */ | 391 | */ |
| 399 | static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) | 392 | static int cvm_oct_set_mac_filter(struct net_device *dev) |
| 400 | { | 393 | { |
| 401 | struct octeon_ethernet *priv = netdev_priv(dev); | 394 | struct octeon_ethernet *priv = netdev_priv(dev); |
| 402 | union cvmx_gmxx_prtx_cfg gmx_cfg; | 395 | union cvmx_gmxx_prtx_cfg gmx_cfg; |
| 403 | int interface = INTERFACE(priv->port); | 396 | int interface = INTERFACE(priv->port); |
| 404 | int index = INDEX(priv->port); | 397 | int index = INDEX(priv->port); |
| 405 | 398 | ||
| 406 | memcpy(dev->dev_addr, addr + 2, 6); | ||
| 407 | |||
| 408 | if ((interface < 2) | 399 | if ((interface < 2) |
| 409 | && (cvmx_helper_interface_get_mode(interface) != | 400 | && (cvmx_helper_interface_get_mode(interface) != |
| 410 | CVMX_HELPER_INTERFACE_MODE_SPI)) { | 401 | CVMX_HELPER_INTERFACE_MODE_SPI)) { |
| 411 | int i; | 402 | int i; |
| 412 | uint8_t *ptr = addr; | 403 | uint8_t *ptr = dev->dev_addr; |
| 413 | uint64_t mac = 0; | 404 | uint64_t mac = 0; |
| 414 | for (i = 0; i < 6; i++) | 405 | for (i = 0; i < 6; i++) |
| 415 | mac = (mac << 8) | (uint64_t) (ptr[i + 2]); | 406 | mac = (mac << 8) | (uint64_t)ptr[i]; |
| 416 | 407 | ||
| 417 | gmx_cfg.u64 = | 408 | gmx_cfg.u64 = |
| 418 | cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface)); | 409 | cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface)); |
| @@ -421,17 +412,17 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) | |||
| 421 | 412 | ||
| 422 | cvmx_write_csr(CVMX_GMXX_SMACX(index, interface), mac); | 413 | cvmx_write_csr(CVMX_GMXX_SMACX(index, interface), mac); |
| 423 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM0(index, interface), | 414 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM0(index, interface), |
| 424 | ptr[2]); | 415 | ptr[0]); |
| 425 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM1(index, interface), | 416 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM1(index, interface), |
| 426 | ptr[3]); | 417 | ptr[1]); |
| 427 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM2(index, interface), | 418 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM2(index, interface), |
| 428 | ptr[4]); | 419 | ptr[2]); |
| 429 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM3(index, interface), | 420 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM3(index, interface), |
| 430 | ptr[5]); | 421 | ptr[3]); |
| 431 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM4(index, interface), | 422 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM4(index, interface), |
| 432 | ptr[6]); | 423 | ptr[4]); |
| 433 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM5(index, interface), | 424 | cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM5(index, interface), |
| 434 | ptr[7]); | 425 | ptr[5]); |
| 435 | cvm_oct_common_set_multicast_list(dev); | 426 | cvm_oct_common_set_multicast_list(dev); |
| 436 | cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), | 427 | cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), |
| 437 | gmx_cfg.u64); | 428 | gmx_cfg.u64); |
| @@ -439,6 +430,15 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) | |||
| 439 | return 0; | 430 | return 0; |
| 440 | } | 431 | } |
| 441 | 432 | ||
| 433 | static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) | ||
| 434 | { | ||
| 435 | int r = eth_mac_addr(dev, addr); | ||
| 436 | |||
| 437 | if (r) | ||
| 438 | return r; | ||
| 439 | return cvm_oct_set_mac_filter(dev); | ||
| 440 | } | ||
| 441 | |||
| 442 | /** | 442 | /** |
| 443 | * cvm_oct_common_init - per network device initialization | 443 | * cvm_oct_common_init - per network device initialization |
| 444 | * @dev: Device to initialize | 444 | * @dev: Device to initialize |
| @@ -448,26 +448,17 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) | |||
| 448 | int cvm_oct_common_init(struct net_device *dev) | 448 | int cvm_oct_common_init(struct net_device *dev) |
| 449 | { | 449 | { |
| 450 | struct octeon_ethernet *priv = netdev_priv(dev); | 450 | struct octeon_ethernet *priv = netdev_priv(dev); |
| 451 | struct sockaddr sa; | 451 | const u8 *mac = NULL; |
| 452 | u64 mac = ((u64)(octeon_bootinfo->mac_addr_base[0] & 0xff) << 40) | | 452 | |
| 453 | ((u64)(octeon_bootinfo->mac_addr_base[1] & 0xff) << 32) | | 453 | if (priv->of_node) |
| 454 | ((u64)(octeon_bootinfo->mac_addr_base[2] & 0xff) << 24) | | 454 | mac = of_get_mac_address(priv->of_node); |
| 455 | ((u64)(octeon_bootinfo->mac_addr_base[3] & 0xff) << 16) | | 455 | |
| 456 | ((u64)(octeon_bootinfo->mac_addr_base[4] & 0xff) << 8) | | 456 | if (mac && is_valid_ether_addr(mac)) { |
| 457 | (u64)(octeon_bootinfo->mac_addr_base[5] & 0xff); | 457 | memcpy(dev->dev_addr, mac, ETH_ALEN); |
| 458 | 458 | dev->addr_assign_type &= ~NET_ADDR_RANDOM; | |
| 459 | mac += cvm_oct_mac_addr_offset; | 459 | } else { |
| 460 | sa.sa_data[0] = (mac >> 40) & 0xff; | 460 | eth_hw_addr_random(dev); |
| 461 | sa.sa_data[1] = (mac >> 32) & 0xff; | 461 | } |
| 462 | sa.sa_data[2] = (mac >> 24) & 0xff; | ||
| 463 | sa.sa_data[3] = (mac >> 16) & 0xff; | ||
| 464 | sa.sa_data[4] = (mac >> 8) & 0xff; | ||
| 465 | sa.sa_data[5] = mac & 0xff; | ||
| 466 | |||
| 467 | if (cvm_oct_mac_addr_offset >= octeon_bootinfo->mac_addr_count) | ||
| 468 | printk(KERN_DEBUG "%s: Using MAC outside of the assigned range:" | ||
| 469 | " %pM\n", dev->name, sa.sa_data); | ||
| 470 | cvm_oct_mac_addr_offset++; | ||
| 471 | 462 | ||
| 472 | /* | 463 | /* |
| 473 | * Force the interface to use the POW send if always_use_pow | 464 | * Force the interface to use the POW send if always_use_pow |
| @@ -488,7 +479,7 @@ int cvm_oct_common_init(struct net_device *dev) | |||
| 488 | SET_ETHTOOL_OPS(dev, &cvm_oct_ethtool_ops); | 479 | SET_ETHTOOL_OPS(dev, &cvm_oct_ethtool_ops); |
| 489 | 480 | ||
| 490 | cvm_oct_phy_setup_device(dev); | 481 | cvm_oct_phy_setup_device(dev); |
| 491 | dev->netdev_ops->ndo_set_mac_address(dev, &sa); | 482 | cvm_oct_set_mac_filter(dev); |
| 492 | dev->netdev_ops->ndo_change_mtu(dev, dev->mtu); | 483 | dev->netdev_ops->ndo_change_mtu(dev, dev->mtu); |
| 493 | 484 | ||
| 494 | /* | 485 | /* |
| @@ -595,22 +586,55 @@ static const struct net_device_ops cvm_oct_pow_netdev_ops = { | |||
| 595 | 586 | ||
| 596 | extern void octeon_mdiobus_force_mod_depencency(void); | 587 | extern void octeon_mdiobus_force_mod_depencency(void); |
| 597 | 588 | ||
| 598 | static int __init cvm_oct_init_module(void) | 589 | static struct device_node * __devinit cvm_oct_of_get_child(const struct device_node *parent, |
| 590 | int reg_val) | ||
| 591 | { | ||
| 592 | struct device_node *node = NULL; | ||
| 593 | int size; | ||
| 594 | const __be32 *addr; | ||
| 595 | |||
| 596 | for (;;) { | ||
| 597 | node = of_get_next_child(parent, node); | ||
| 598 | if (!node) | ||
| 599 | break; | ||
| 600 | addr = of_get_property(node, "reg", &size); | ||
| 601 | if (addr && (be32_to_cpu(*addr) == reg_val)) | ||
| 602 | break; | ||
| 603 | } | ||
| 604 | return node; | ||
| 605 | } | ||
| 606 | |||
| 607 | static struct device_node * __devinit cvm_oct_node_for_port(struct device_node *pip, | ||
| 608 | int interface, int port) | ||
| 609 | { | ||
| 610 | struct device_node *ni, *np; | ||
| 611 | |||
| 612 | ni = cvm_oct_of_get_child(pip, interface); | ||
| 613 | if (!ni) | ||
| 614 | return NULL; | ||
| 615 | |||
| 616 | np = cvm_oct_of_get_child(ni, port); | ||
| 617 | of_node_put(ni); | ||
| 618 | |||
| 619 | return np; | ||
| 620 | } | ||
| 621 | |||
| 622 | static int __devinit cvm_oct_probe(struct platform_device *pdev) | ||
| 599 | { | 623 | { |
| 600 | int num_interfaces; | 624 | int num_interfaces; |
| 601 | int interface; | 625 | int interface; |
| 602 | int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE; | 626 | int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE; |
| 603 | int qos; | 627 | int qos; |
| 628 | struct device_node *pip; | ||
| 604 | 629 | ||
| 605 | octeon_mdiobus_force_mod_depencency(); | 630 | octeon_mdiobus_force_mod_depencency(); |
| 606 | pr_notice("cavium-ethernet %s\n", OCTEON_ETHERNET_VERSION); | 631 | pr_notice("cavium-ethernet %s\n", OCTEON_ETHERNET_VERSION); |
| 607 | 632 | ||
| 608 | if (OCTEON_IS_MODEL(OCTEON_CN52XX)) | 633 | pip = pdev->dev.of_node; |
| 609 | cvm_oct_mac_addr_offset = 2; /* First two are the mgmt ports. */ | 634 | if (!pip) { |
| 610 | else if (OCTEON_IS_MODEL(OCTEON_CN56XX)) | 635 | pr_err("Error: No 'pip' in /aliases\n"); |
| 611 | cvm_oct_mac_addr_offset = 1; /* First one is the mgmt port. */ | 636 | return -EINVAL; |
| 612 | else | 637 | } |
| 613 | cvm_oct_mac_addr_offset = 0; | ||
| 614 | 638 | ||
| 615 | cvm_oct_poll_queue = create_singlethread_workqueue("octeon-ethernet"); | 639 | cvm_oct_poll_queue = create_singlethread_workqueue("octeon-ethernet"); |
| 616 | if (cvm_oct_poll_queue == NULL) { | 640 | if (cvm_oct_poll_queue == NULL) { |
| @@ -689,10 +713,11 @@ static int __init cvm_oct_init_module(void) | |||
| 689 | cvmx_helper_interface_get_mode(interface); | 713 | cvmx_helper_interface_get_mode(interface); |
| 690 | int num_ports = cvmx_helper_ports_on_interface(interface); | 714 | int num_ports = cvmx_helper_ports_on_interface(interface); |
| 691 | int port; | 715 | int port; |
| 716 | int port_index; | ||
| 692 | 717 | ||
| 693 | for (port = cvmx_helper_get_ipd_port(interface, 0); | 718 | for (port_index = 0, port = cvmx_helper_get_ipd_port(interface, 0); |
| 694 | port < cvmx_helper_get_ipd_port(interface, num_ports); | 719 | port < cvmx_helper_get_ipd_port(interface, num_ports); |
| 695 | port++) { | 720 | port_index++, port++) { |
| 696 | struct octeon_ethernet *priv; | 721 | struct octeon_ethernet *priv; |
| 697 | struct net_device *dev = | 722 | struct net_device *dev = |
| 698 | alloc_etherdev(sizeof(struct octeon_ethernet)); | 723 | alloc_etherdev(sizeof(struct octeon_ethernet)); |
| @@ -703,6 +728,7 @@ static int __init cvm_oct_init_module(void) | |||
| 703 | 728 | ||
| 704 | /* Initialize the device private structure. */ | 729 | /* Initialize the device private structure. */ |
| 705 | priv = netdev_priv(dev); | 730 | priv = netdev_priv(dev); |
| 731 | priv->of_node = cvm_oct_node_for_port(pip, interface, port_index); | ||
| 706 | 732 | ||
| 707 | INIT_DELAYED_WORK(&priv->port_periodic_work, | 733 | INIT_DELAYED_WORK(&priv->port_periodic_work, |
| 708 | cvm_oct_periodic_worker); | 734 | cvm_oct_periodic_worker); |
| @@ -787,7 +813,7 @@ static int __init cvm_oct_init_module(void) | |||
| 787 | return 0; | 813 | return 0; |
| 788 | } | 814 | } |
| 789 | 815 | ||
| 790 | static void __exit cvm_oct_cleanup_module(void) | 816 | static int __devexit cvm_oct_remove(struct platform_device *pdev) |
| 791 | { | 817 | { |
| 792 | int port; | 818 | int port; |
| 793 | 819 | ||
| @@ -835,10 +861,29 @@ static void __exit cvm_oct_cleanup_module(void) | |||
| 835 | if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL) | 861 | if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL) |
| 836 | cvm_oct_mem_empty_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL, | 862 | cvm_oct_mem_empty_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL, |
| 837 | CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 128); | 863 | CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 128); |
| 864 | return 0; | ||
| 838 | } | 865 | } |
| 839 | 866 | ||
| 867 | static struct of_device_id cvm_oct_match[] = { | ||
| 868 | { | ||
| 869 | .compatible = "cavium,octeon-3860-pip", | ||
| 870 | }, | ||
| 871 | {}, | ||
| 872 | }; | ||
| 873 | MODULE_DEVICE_TABLE(of, cvm_oct_match); | ||
| 874 | |||
| 875 | static struct platform_driver cvm_oct_driver = { | ||
| 876 | .probe = cvm_oct_probe, | ||
| 877 | .remove = __devexit_p(cvm_oct_remove), | ||
| 878 | .driver = { | ||
| 879 | .owner = THIS_MODULE, | ||
| 880 | .name = KBUILD_MODNAME, | ||
| 881 | .of_match_table = cvm_oct_match, | ||
| 882 | }, | ||
| 883 | }; | ||
| 884 | |||
| 885 | module_platform_driver(cvm_oct_driver); | ||
| 886 | |||
| 840 | MODULE_LICENSE("GPL"); | 887 | MODULE_LICENSE("GPL"); |
| 841 | MODULE_AUTHOR("Cavium Networks <support@caviumnetworks.com>"); | 888 | MODULE_AUTHOR("Cavium Networks <support@caviumnetworks.com>"); |
| 842 | MODULE_DESCRIPTION("Cavium Networks Octeon ethernet driver."); | 889 | MODULE_DESCRIPTION("Cavium Networks Octeon ethernet driver."); |
| 843 | module_init(cvm_oct_init_module); | ||
| 844 | module_exit(cvm_oct_cleanup_module); | ||
diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h index d58192563552..9360e22e0739 100644 --- a/drivers/staging/octeon/octeon-ethernet.h +++ b/drivers/staging/octeon/octeon-ethernet.h | |||
| @@ -31,6 +31,8 @@ | |||
| 31 | #ifndef OCTEON_ETHERNET_H | 31 | #ifndef OCTEON_ETHERNET_H |
| 32 | #define OCTEON_ETHERNET_H | 32 | #define OCTEON_ETHERNET_H |
| 33 | 33 | ||
| 34 | #include <linux/of.h> | ||
| 35 | |||
| 34 | /** | 36 | /** |
| 35 | * This is the definition of the Ethernet driver's private | 37 | * This is the definition of the Ethernet driver's private |
| 36 | * driver state stored in netdev_priv(dev). | 38 | * driver state stored in netdev_priv(dev). |
| @@ -59,6 +61,7 @@ struct octeon_ethernet { | |||
| 59 | void (*poll) (struct net_device *dev); | 61 | void (*poll) (struct net_device *dev); |
| 60 | struct delayed_work port_periodic_work; | 62 | struct delayed_work port_periodic_work; |
| 61 | struct work_struct port_work; /* may be unused. */ | 63 | struct work_struct port_work; /* may be unused. */ |
| 64 | struct device_node *of_node; | ||
| 62 | }; | 65 | }; |
| 63 | 66 | ||
| 64 | int cvm_oct_free_work(void *work_queue_entry); | 67 | int cvm_oct_free_work(void *work_queue_entry); |
