diff options
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r-- | arch/arm/mach-davinci/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/mach-davinci/clock.c | 21 | ||||
-rw-r--r-- | arch/arm/mach-davinci/clock.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/common.c | 6 | ||||
-rw-r--r-- | arch/arm/mach-davinci/cp_intc.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-davinci/da830.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-davinci/da850.c | 83 | ||||
-rw-r--r-- | arch/arm/mach-davinci/da8xx-dt.c | 19 | ||||
-rw-r--r-- | arch/arm/mach-davinci/devices-da8xx.c | 20 | ||||
-rw-r--r-- | arch/arm/mach-davinci/devices.c | 16 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dm355.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dm365.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dm644x.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dm646x.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/usb-da8xx.c | 107 | ||||
-rw-r--r-- | arch/arm/mach-davinci/usb.c | 89 |
16 files changed, 176 insertions, 199 deletions
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index 2e3464b8b..da4c336b4 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -14,8 +14,8 @@ obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o devices.o obj-$(CONFIG_ARCH_DAVINCI_DM355) += dm355.o devices.o obj-$(CONFIG_ARCH_DAVINCI_DM646x) += dm646x.o devices.o obj-$(CONFIG_ARCH_DAVINCI_DM365) += dm365.o devices.o -obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o -obj-$(CONFIG_ARCH_DAVINCI_DA850) += da850.o devices-da8xx.o +obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o usb-da8xx.o +obj-$(CONFIG_ARCH_DAVINCI_DA850) += da850.o devices-da8xx.o usb-da8xx.o obj-$(CONFIG_AINTC) += irq.o obj-$(CONFIG_CP_INTC) += cp_intc.o diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c index 3424eac6b..df42c93a9 100644 --- a/arch/arm/mach-davinci/clock.c +++ b/arch/arm/mach-davinci/clock.c @@ -195,6 +195,14 @@ int clk_set_parent(struct clk *clk, struct clk *parent) return -EINVAL; mutex_lock(&clocks_mutex); + if (clk->set_parent) { + int ret = clk->set_parent(clk, parent); + + if (ret) { + mutex_unlock(&clocks_mutex); + return ret; + } + } clk->parent = parent; list_del_init(&clk->childnode); list_add(&clk->childnode, &clk->parent->children); @@ -224,8 +232,17 @@ int clk_register(struct clk *clk) mutex_lock(&clocks_mutex); list_add_tail(&clk->node, &clocks); - if (clk->parent) + if (clk->parent) { + if (clk->set_parent) { + int ret = clk->set_parent(clk, clk->parent); + + if (ret) { + mutex_unlock(&clocks_mutex); + return ret; + } + } list_add_tail(&clk->childnode, &clk->parent->children); + } mutex_unlock(&clocks_mutex); /* If rate is already set, use it */ @@ -560,7 +577,7 @@ EXPORT_SYMBOL(davinci_set_pllrate); * than that used by default in <soc>.c file. The reference clock rate * should be updated early in the boot process; ideally soon after the * clock tree has been initialized once with the default reference clock - * rate (davinci_common_init()). + * rate (davinci_clk_init()). * * Returns 0 on success, error otherwise. */ diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h index 1e4e83617..e2a5437a1 100644 --- a/arch/arm/mach-davinci/clock.h +++ b/arch/arm/mach-davinci/clock.h @@ -106,6 +106,7 @@ struct clk { int (*reset) (struct clk *clk, bool reset); void (*clk_enable) (struct clk *clk); void (*clk_disable) (struct clk *clk); + int (*set_parent) (struct clk *clk, struct clk *parent); }; /* Clock flags: SoC-specific flags start at BIT(16) */ diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c index 742133b72..049025f6d 100644 --- a/arch/arm/mach-davinci/common.c +++ b/arch/arm/mach-davinci/common.c @@ -108,12 +108,6 @@ void __init davinci_common_init(struct davinci_soc_info *soc_info) if (ret < 0) goto err; - if (davinci_soc_info.cpu_clks) { - ret = davinci_clk_init(davinci_soc_info.cpu_clks); - - if (ret != 0) - goto err; - } return; diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c index 1a68d2477..94085d210 100644 --- a/arch/arm/mach-davinci/cp_intc.c +++ b/arch/arm/mach-davinci/cp_intc.c @@ -12,6 +12,7 @@ #include <linux/export.h> #include <linux/init.h> #include <linux/irq.h> +#include <linux/irqchip.h> #include <linux/irqdomain.h> #include <linux/io.h> #include <linux/of.h> @@ -210,3 +211,5 @@ void __init cp_intc_init(void) { cp_intc_of_init(NULL, NULL); } + +IRQCHIP_DECLARE(cp_intc, "ti,cp-intc", cp_intc_of_init); diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c index 7187e7fc2..426fd7477 100644 --- a/arch/arm/mach-davinci/da830.c +++ b/arch/arm/mach-davinci/da830.c @@ -1214,4 +1214,6 @@ void __init da830_init(void) da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K); WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"); + + davinci_clk_init(davinci_soc_info_da830.cpu_clks); } diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 97d8779a9..239886299 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -34,9 +34,6 @@ #include "clock.h" #include "mux.h" -/* SoC specific clock flags */ -#define DA850_CLK_ASYNC3 BIT(16) - #define DA850_PLL1_BASE 0x01e1a000 #define DA850_TIMER64P2_BASE 0x01f0c000 #define DA850_TIMER64P3_BASE 0x01f0d000 @@ -161,6 +158,32 @@ static struct clk pll1_sysclk3 = { .div_reg = PLLDIV3, }; +static int da850_async3_set_parent(struct clk *clk, struct clk *parent) +{ + u32 val; + + val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); + + if (parent == &pll0_sysclk2) { + val &= ~CFGCHIP3_ASYNC3_CLKSRC; + } else if (parent == &pll1_sysclk2) { + val |= CFGCHIP3_ASYNC3_CLKSRC; + } else { + pr_err("Bad parent on async3 clock mux\n"); + return -EINVAL; + } + + writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); + + return 0; +} + +static struct clk async3_clk = { + .name = "async3", + .parent = &pll1_sysclk2, + .set_parent = da850_async3_set_parent, +}; + static struct clk i2c0_clk = { .name = "i2c0", .parent = &pll0_aux_clk, @@ -234,18 +257,16 @@ static struct clk uart0_clk = { static struct clk uart1_clk = { .name = "uart1", - .parent = &pll0_sysclk2, + .parent = &async3_clk, .lpsc = DA8XX_LPSC1_UART1, .gpsc = 1, - .flags = DA850_CLK_ASYNC3, }; static struct clk uart2_clk = { .name = "uart2", - .parent = &pll0_sysclk2, + .parent = &async3_clk, .lpsc = DA8XX_LPSC1_UART2, .gpsc = 1, - .flags = DA850_CLK_ASYNC3, }; static struct clk aintc_clk = { @@ -300,10 +321,9 @@ static struct clk emac_clk = { static struct clk mcasp_clk = { .name = "mcasp", - .parent = &pll0_sysclk2, + .parent = &async3_clk, .lpsc = DA8XX_LPSC1_McASP0, .gpsc = 1, - .flags = DA850_CLK_ASYNC3, }; static struct clk lcdc_clk = { @@ -355,10 +375,9 @@ static struct clk spi0_clk = { static struct clk spi1_clk = { .name = "spi1", - .parent = &pll0_sysclk2, + .parent = &async3_clk, .lpsc = DA8XX_LPSC1_SPI1, .gpsc = 1, - .flags = DA850_CLK_ASYNC3, }; static struct clk vpif_clk = { @@ -386,10 +405,9 @@ static struct clk dsp_clk = { static struct clk ehrpwm_clk = { .name = "ehrpwm", - .parent = &pll0_sysclk2, + .parent = &async3_clk, .lpsc = DA8XX_LPSC1_PWM, .gpsc = 1, - .flags = DA850_CLK_ASYNC3, }; #define DA8XX_EHRPWM_TBCLKSYNC BIT(12) @@ -421,10 +439,9 @@ static struct clk ehrpwm_tbclk = { static struct clk ecap_clk = { .name = "ecap", - .parent = &pll0_sysclk2, + .parent = &async3_clk, .lpsc = DA8XX_LPSC1_ECAP, .gpsc = 1, - .flags = DA850_CLK_ASYNC3, }; static struct clk_lookup da850_clks[] = { @@ -442,6 +459,7 @@ static struct clk_lookup da850_clks[] = { CLK(NULL, "pll1_aux", &pll1_aux_clk), CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), + CLK(NULL, "async3", &async3_clk), CLK("i2c_davinci.1", NULL, &i2c0_clk), CLK(NULL, "timer0", &timerp64_0_clk), CLK("davinci-wdt", NULL, &timerp64_1_clk), @@ -909,30 +927,6 @@ static struct davinci_timer_info da850_timer_info = { .clocksource_id = T0_TOP, }; -static void da850_set_async3_src(int pllnum) -{ - struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2; - struct clk_lookup *c; - unsigned int v; - int ret; - - for (c = da850_clks; c->clk; c++) { - clk = c->clk; - if (clk->flags & DA850_CLK_ASYNC3) { - ret = clk_set_parent(clk, newparent); - WARN(ret, "DA850: unable to re-parent clock %s", - clk->name); - } - } - - v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); - if (pllnum) - v |= CFGCHIP3_ASYNC3_CLKSRC; - else - v &= ~CFGCHIP3_ASYNC3_CLKSRC; - __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); -} - #ifdef CONFIG_CPU_FREQ /* * Notes: @@ -1328,15 +1322,6 @@ void __init da850_init(void) if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module")) return; - /* - * Move the clock source of Async3 domain to PLL1 SYSCLK2. - * This helps keeping the peripherals on this domain insulated - * from CPU frequency changes caused by DVFS. The firmware sets - * both PLL0 and PLL1 to the same frequency so, there should not - * be any noticeable change even in non-DVFS use cases. - */ - da850_set_async3_src(1); - /* Unlock writing to PLL0 registers */ v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG)); v &= ~CFGCHIP0_PLL_MASTER_LOCK; @@ -1346,4 +1331,6 @@ void __init da850_init(void) v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); v &= ~CFGCHIP3_PLL1_MASTER_LOCK; __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); + + davinci_clk_init(davinci_soc_info_da850.cpu_clks); } diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c index c4b5808ca..754f47811 100644 --- a/arch/arm/mach-davinci/da8xx-dt.c +++ b/arch/arm/mach-davinci/da8xx-dt.c @@ -18,20 +18,9 @@ #include "cp_intc.h" #include <mach/da8xx.h> -#define DA8XX_NUM_UARTS 3 - -static const struct of_device_id const da8xx_irq_match[] __initconst = { - { .compatible = "ti,cp-intc", .data = cp_intc_of_init, }, - { } -}; - -static void __init da8xx_init_irq(void) -{ - of_irq_init(da8xx_irq_match); -} - static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL), + OF_DEV_AUXDATA("ti,davinci-i2c", 0x01e28000, "i2c_davinci.2", NULL), OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "davinci-wdt", NULL), OF_DEV_AUXDATA("ti,da830-mmc", 0x01c40000, "da830-mmc.0", NULL), OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f00000, "ehrpwm", NULL), @@ -39,6 +28,7 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("ti,da850-ecap", 0x01f06000, "ecap", NULL), OF_DEV_AUXDATA("ti,da850-ecap", 0x01f07000, "ecap", NULL), OF_DEV_AUXDATA("ti,da850-ecap", 0x01f08000, "ecap", NULL), + OF_DEV_AUXDATA("ti,da830-spi", 0x01c41000, "spi_davinci.0", NULL), OF_DEV_AUXDATA("ti,da830-spi", 0x01f0e000, "spi_davinci.1", NULL), OF_DEV_AUXDATA("ns16550a", 0x01c42000, "serial8250.0", NULL), OF_DEV_AUXDATA("ns16550a", 0x01d0c000, "serial8250.1", NULL), @@ -54,9 +44,7 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = { static void __init da850_init_machine(void) { - of_platform_populate(NULL, of_default_bus_match_table, - da850_auxdata_lookup, NULL); - + of_platform_default_populate(NULL, da850_auxdata_lookup, NULL); } static const char *const da850_boards_compat[] __initconst = { @@ -68,7 +56,6 @@ static const char *const da850_boards_compat[] __initconst = { DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x") .map_io = da850_init, - .init_irq = da8xx_init_irq, .init_time = davinci_timer_init, .init_machine = da850_init_machine, .dt_compat = da850_boards_compat, diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 725e69363..add3771d3 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -751,16 +751,6 @@ static struct resource da8xx_mmcsd0_resources[] = { .end = IRQ_DA8XX_MMCSDINT0, .flags = IORESOURCE_IRQ, }, - { /* DMA RX */ - .start = DA8XX_DMA_MMCSD0_RX, - .end = DA8XX_DMA_MMCSD0_RX, - .flags = IORESOURCE_DMA, - }, - { /* DMA TX */ - .start = DA8XX_DMA_MMCSD0_TX, - .end = DA8XX_DMA_MMCSD0_TX, - .flags = IORESOURCE_DMA, - }, }; static struct platform_device da8xx_mmcsd0_device = { @@ -788,16 +778,6 @@ static struct resource da850_mmcsd1_resources[] = { .end = IRQ_DA850_MMCSDINT0_1, .flags = IORESOURCE_IRQ, }, - { /* DMA RX */ - .start = DA850_DMA_MMCSD1_RX, - .end = DA850_DMA_MMCSD1_RX, - .flags = IORESOURCE_DMA, - }, - { /* DMA TX */ - .start = DA850_DMA_MMCSD1_TX, - .end = DA850_DMA_MMCSD1_TX, - .flags = IORESOURCE_DMA, - }, }; static struct platform_device da850_mmcsd1_device = { diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c index 6257aa452..67d26c5bd 100644 --- a/arch/arm/mach-davinci/devices.c +++ b/arch/arm/mach-davinci/devices.c @@ -144,14 +144,6 @@ static struct resource mmcsd0_resources[] = { .start = IRQ_SDIOINT, .flags = IORESOURCE_IRQ, }, - /* DMA channels: RX, then TX */ - { - .start = EDMA_CTLR_CHAN(0, DAVINCI_DMA_MMCRXEVT), - .flags = IORESOURCE_DMA, - }, { - .start = EDMA_CTLR_CHAN(0, DAVINCI_DMA_MMCTXEVT), - .flags = IORESOURCE_DMA, - }, }; static struct platform_device davinci_mmcsd0_device = { @@ -181,14 +173,6 @@ static struct resource mmcsd1_resources[] = { .start = IRQ_DM355_SDIOINT1, .flags = IORESOURCE_IRQ, }, - /* DMA channels: RX, then TX */ - { - .start = EDMA_CTLR_CHAN(0, 30), /* rx */ - .flags = IORESOURCE_DMA, - }, { - .start = EDMA_CTLR_CHAN(0, 31), /* tx */ - .flags = IORESOURCE_DMA, - }, }; static struct platform_device davinci_mmcsd1_device = { diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index a0ecf499c..5a19cca7e 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -1052,6 +1052,7 @@ void __init dm355_init(void) { davinci_common_init(&davinci_soc_info_dm355); davinci_map_sysmod(); + davinci_clk_init(davinci_soc_info_dm355.cpu_clks); } int __init dm355_init_video(struct vpfe_config *vpfe_cfg, diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index 384d3674d..8aa004b02 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -1176,6 +1176,7 @@ void __init dm365_init(void) { davinci_common_init(&davinci_soc_info_dm365); davinci_map_sysmod(); + davinci_clk_init(davinci_soc_info_dm365.cpu_clks); } static struct resource dm365_vpss_resources[] = { diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index b4b3a8b9c..0afa279ec 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -932,6 +932,7 @@ void __init dm644x_init(void) { davinci_common_init(&davinci_soc_info_dm644x); davinci_map_sysmod(); + davinci_clk_init(davinci_soc_info_dm644x.cpu_clks); } int __init dm644x_init_video(struct vpfe_config *vpfe_cfg, diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index a43db0f5f..da21353ca 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -956,6 +956,7 @@ void __init dm646x_init(void) { davinci_common_init(&davinci_soc_info_dm646x); davinci_map_sysmod(); + davinci_clk_init(davinci_soc_info_dm646x.cpu_clks); } static int __init dm646x_init_devices(void) diff --git a/arch/arm/mach-davinci/usb-da8xx.c b/arch/arm/mach-davinci/usb-da8xx.c new file mode 100644 index 000000000..f141f5171 --- /dev/null +++ b/arch/arm/mach-davinci/usb-da8xx.c @@ -0,0 +1,107 @@ +/* + * DA8xx USB + */ +#include <linux/dma-mapping.h> +#include <linux/init.h> +#include <linux/platform_data/usb-davinci.h> +#include <linux/platform_device.h> +#include <linux/usb/musb.h> + +#include <mach/common.h> +#include <mach/cputype.h> +#include <mach/da8xx.h> +#include <mach/irqs.h> + +#define DA8XX_USB0_BASE 0x01e00000 +#define DA8XX_USB1_BASE 0x01e25000 + +#if IS_ENABLED(CONFIG_USB_MUSB_HDRC) + +static struct musb_hdrc_config musb_config = { + .multipoint = true, + .num_eps = 5, + .ram_bits = 10, +}; + +static struct musb_hdrc_platform_data usb_data = { + /* OTG requires a Mini-AB connector */ + .mode = MUSB_OTG, + .clock = "usb20", + .config = &musb_config, +}; + +static struct resource da8xx_usb20_resources[] = { + { + .start = DA8XX_USB0_BASE, + .end = DA8XX_USB0_BASE + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_DA8XX_USB_INT, + .flags = IORESOURCE_IRQ, + .name = "mc", + }, +}; + +static u64 usb_dmamask = DMA_BIT_MASK(32); + +static struct platform_device usb_dev = { + .name = "musb-da8xx", + .id = -1, + .dev = { + .platform_data = &usb_data, + .dma_mask = &usb_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = da8xx_usb20_resources, + .num_resources = ARRAY_SIZE(da8xx_usb20_resources), +}; + +int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt) +{ + usb_data.power = mA > 510 ? 255 : mA / 2; + usb_data.potpgt = (potpgt + 1) / 2; + + return platform_device_register(&usb_dev); +} + +#else + +int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt) +{ + return 0; +} + +#endif /* CONFIG_USB_MUSB_HDRC */ + +static struct resource da8xx_usb11_resources[] = { + [0] = { + .start = DA8XX_USB1_BASE, + .end = DA8XX_USB1_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_DA8XX_IRQN, + .end = IRQ_DA8XX_IRQN, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device da8xx_usb11_device = { + .name = "ohci", + .id = 0, + .dev = { + .dma_mask = &da8xx_usb11_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(da8xx_usb11_resources), + .resource = da8xx_usb11_resources, +}; + +int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata) +{ + da8xx_usb11_device.dev.platform_data = pdata; + return platform_device_register(&da8xx_usb11_device); +} diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c index b0a6b5225..0e7e89c1f 100644 --- a/arch/arm/mach-davinci/usb.c +++ b/arch/arm/mach-davinci/usb.c @@ -10,36 +10,16 @@ #include <mach/common.h> #include <mach/irqs.h> #include <mach/cputype.h> -#include <mach/da8xx.h> #include <linux/platform_data/usb-davinci.h> #define DAVINCI_USB_OTG_BASE 0x01c64000 -#define DA8XX_USB0_BASE 0x01e00000 -#define DA8XX_USB1_BASE 0x01e25000 - #if IS_ENABLED(CONFIG_USB_MUSB_HDRC) -static struct musb_hdrc_eps_bits musb_eps[] = { - { "ep1_tx", 8, }, - { "ep1_rx", 8, }, - { "ep2_tx", 8, }, - { "ep2_rx", 8, }, - { "ep3_tx", 5, }, - { "ep3_rx", 5, }, - { "ep4_tx", 5, }, - { "ep4_rx", 5, }, -}; - static struct musb_hdrc_config musb_config = { .multipoint = true, - .dyn_fifo = true, - .soft_con = true, - .dma = true, .num_eps = 5, - .dma_channels = 8, .ram_bits = 10, - .eps_bits = musb_eps, }; static struct musb_hdrc_platform_data usb_data = { @@ -97,79 +77,10 @@ void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms) platform_device_register(&usb_dev); } -#ifdef CONFIG_ARCH_DAVINCI_DA8XX -static struct resource da8xx_usb20_resources[] = { - { - .start = DA8XX_USB0_BASE, - .end = DA8XX_USB0_BASE + SZ_64K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_DA8XX_USB_INT, - .flags = IORESOURCE_IRQ, - .name = "mc", - }, -}; - -int __init da8xx_register_usb20(unsigned mA, unsigned potpgt) -{ - usb_data.clock = "usb20"; - usb_data.power = mA > 510 ? 255 : mA / 2; - usb_data.potpgt = (potpgt + 1) / 2; - - usb_dev.resource = da8xx_usb20_resources; - usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources); - usb_dev.name = "musb-da8xx"; - - return platform_device_register(&usb_dev); -} -#endif /* CONFIG_DAVINCI_DA8XX */ - #else void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms) { } -#ifdef CONFIG_ARCH_DAVINCI_DA8XX -int __init da8xx_register_usb20(unsigned mA, unsigned potpgt) -{ - return 0; -} -#endif - #endif /* CONFIG_USB_MUSB_HDRC */ - -#ifdef CONFIG_ARCH_DAVINCI_DA8XX -static struct resource da8xx_usb11_resources[] = { - [0] = { - .start = DA8XX_USB1_BASE, - .end = DA8XX_USB1_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_DA8XX_IRQN, - .end = IRQ_DA8XX_IRQN, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32); - -static struct platform_device da8xx_usb11_device = { - .name = "ohci", - .id = 0, - .dev = { - .dma_mask = &da8xx_usb11_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(da8xx_usb11_resources), - .resource = da8xx_usb11_resources, -}; - -int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata) -{ - da8xx_usb11_device.dev.platform_data = pdata; - return platform_device_register(&da8xx_usb11_device); -} -#endif /* CONFIG_DAVINCI_DA8XX */ |