diff options
author | Jeff Garzik <jeff@garzik.org> | 2012-07-25 15:58:48 -0400 |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2012-07-25 15:58:48 -0400 |
commit | 8407884dd9164ec18ed2afc00f56b87e36c51fcf (patch) | |
tree | b6ea42c231d7d39f454de28a068d78ce11709770 /arch/arm/mach-ep93xx | |
parent | dc7f71f486f4f5fa96f6dcf86833da020cde8a11 (diff) | |
parent | bdc0077af574800d24318b6945cf2344e8dbb050 (diff) |
Merge branch 'master' [vanilla Linus master] into libata-dev.git/upstream
Two bits were appended to the end of the bitfield
list in struct scsi_device. Resolve that conflict
by including both bits.
Conflicts:
include/scsi/scsi_device.h
Diffstat (limited to 'arch/arm/mach-ep93xx')
-rw-r--r-- | arch/arm/mach-ep93xx/core.c | 96 | ||||
-rw-r--r-- | arch/arm/mach-ep93xx/edb93xx.c | 28 | ||||
-rw-r--r-- | arch/arm/mach-ep93xx/include/mach/platform.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-ep93xx/soc.h | 1 |
4 files changed, 126 insertions, 2 deletions
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 4dd07a0e360..4afe52aaaff 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -797,6 +797,102 @@ static struct platform_device ep93xx_wdt_device = { .resource = ep93xx_wdt_resources, }; +/************************************************************************* + * EP93xx IDE + *************************************************************************/ +static struct resource ep93xx_ide_resources[] = { + DEFINE_RES_MEM(EP93XX_IDE_PHYS_BASE, 0x38), + DEFINE_RES_IRQ(IRQ_EP93XX_EXT3), +}; + +static struct platform_device ep93xx_ide_device = { + .name = "ep93xx-ide", + .id = -1, + .dev = { + .dma_mask = &ep93xx_ide_device.dev.coherent_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(ep93xx_ide_resources), + .resource = ep93xx_ide_resources, +}; + +void __init ep93xx_register_ide(void) +{ + platform_device_register(&ep93xx_ide_device); +} + +int ep93xx_ide_acquire_gpio(struct platform_device *pdev) +{ + int err; + int i; + + err = gpio_request(EP93XX_GPIO_LINE_EGPIO2, dev_name(&pdev->dev)); + if (err) + return err; + err = gpio_request(EP93XX_GPIO_LINE_EGPIO15, dev_name(&pdev->dev)); + if (err) + goto fail_egpio15; + for (i = 2; i < 8; i++) { + err = gpio_request(EP93XX_GPIO_LINE_E(i), dev_name(&pdev->dev)); + if (err) + goto fail_gpio_e; + } + for (i = 4; i < 8; i++) { + err = gpio_request(EP93XX_GPIO_LINE_G(i), dev_name(&pdev->dev)); + if (err) + goto fail_gpio_g; + } + for (i = 0; i < 8; i++) { + err = gpio_request(EP93XX_GPIO_LINE_H(i), dev_name(&pdev->dev)); + if (err) + goto fail_gpio_h; + } + + /* GPIO ports E[7:2], G[7:4] and H used by IDE */ + ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_EONIDE | + EP93XX_SYSCON_DEVCFG_GONIDE | + EP93XX_SYSCON_DEVCFG_HONIDE); + return 0; + +fail_gpio_h: + for (--i; i >= 0; --i) + gpio_free(EP93XX_GPIO_LINE_H(i)); + i = 8; +fail_gpio_g: + for (--i; i >= 4; --i) + gpio_free(EP93XX_GPIO_LINE_G(i)); + i = 8; +fail_gpio_e: + for (--i; i >= 2; --i) + gpio_free(EP93XX_GPIO_LINE_E(i)); + gpio_free(EP93XX_GPIO_LINE_EGPIO15); +fail_egpio15: + gpio_free(EP93XX_GPIO_LINE_EGPIO2); + return err; +} +EXPORT_SYMBOL(ep93xx_ide_acquire_gpio); + +void ep93xx_ide_release_gpio(struct platform_device *pdev) +{ + int i; + + for (i = 2; i < 8; i++) + gpio_free(EP93XX_GPIO_LINE_E(i)); + for (i = 4; i < 8; i++) + gpio_free(EP93XX_GPIO_LINE_G(i)); + for (i = 0; i < 8; i++) + gpio_free(EP93XX_GPIO_LINE_H(i)); + gpio_free(EP93XX_GPIO_LINE_EGPIO15); + gpio_free(EP93XX_GPIO_LINE_EGPIO2); + + + /* GPIO ports E[7:2], G[7:4] and H used by GPIO */ + ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_EONIDE | + EP93XX_SYSCON_DEVCFG_GONIDE | + EP93XX_SYSCON_DEVCFG_HONIDE); +} +EXPORT_SYMBOL(ep93xx_ide_release_gpio); + void __init ep93xx_init_devices(void) { /* Disallow access to MaverickCrunch initially */ diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c index d74c5cddb98..337ab7cf4c1 100644 --- a/arch/arm/mach-ep93xx/edb93xx.c +++ b/arch/arm/mach-ep93xx/edb93xx.c @@ -91,8 +91,8 @@ static void __init edb93xx_register_i2c(void) ep93xx_register_i2c(&edb93xx_i2c_gpio_data, edb93xxa_i2c_board_info, ARRAY_SIZE(edb93xxa_i2c_board_info)); - } else if (machine_is_edb9307() || machine_is_edb9312() || - machine_is_edb9315()) { + } else if (machine_is_edb9302() || machine_is_edb9307() + || machine_is_edb9312() || machine_is_edb9315()) { ep93xx_register_i2c(&edb93xx_i2c_gpio_data, edb93xx_i2c_board_info, ARRAY_SIZE(edb93xx_i2c_board_info)); @@ -233,6 +233,29 @@ static void __init edb93xx_register_fb(void) } +/************************************************************************* + * EDB93xx IDE + *************************************************************************/ +static int __init edb93xx_has_ide(void) +{ + /* + * Although EDB9312 and EDB9315 do have IDE capability, they have + * INTRQ line wired as pull-up, which makes using IDE interface + * problematic. + */ + return machine_is_edb9312() || machine_is_edb9315() || + machine_is_edb9315a(); +} + +static void __init edb93xx_register_ide(void) +{ + if (!edb93xx_has_ide()) + return; + + ep93xx_register_ide(); +} + + static void __init edb93xx_init_machine(void) { ep93xx_init_devices(); @@ -243,6 +266,7 @@ static void __init edb93xx_init_machine(void) edb93xx_register_i2s(); edb93xx_register_pwm(); edb93xx_register_fb(); + edb93xx_register_ide(); } diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h index 1ecb040d98b..33a5122c6dc 100644 --- a/arch/arm/mach-ep93xx/include/mach/platform.h +++ b/arch/arm/mach-ep93xx/include/mach/platform.h @@ -48,6 +48,9 @@ void ep93xx_register_i2s(void); int ep93xx_i2s_acquire(void); void ep93xx_i2s_release(void); void ep93xx_register_ac97(void); +void ep93xx_register_ide(void); +int ep93xx_ide_acquire_gpio(struct platform_device *pdev); +void ep93xx_ide_release_gpio(struct platform_device *pdev); void ep93xx_init_devices(void); extern struct sys_timer ep93xx_timer; diff --git a/arch/arm/mach-ep93xx/soc.h b/arch/arm/mach-ep93xx/soc.h index 979fba72292..7bf7ff8beae 100644 --- a/arch/arm/mach-ep93xx/soc.h +++ b/arch/arm/mach-ep93xx/soc.h @@ -69,6 +69,7 @@ #define EP93XX_BOOT_ROM_BASE EP93XX_AHB_IOMEM(0x00090000) +#define EP93XX_IDE_PHYS_BASE EP93XX_AHB_PHYS(0x000a0000) #define EP93XX_IDE_BASE EP93XX_AHB_IOMEM(0x000a0000) #define EP93XX_VIC1_BASE EP93XX_AHB_IOMEM(0x000b0000) |