diff options
Diffstat (limited to 'arch/arm/mach-mmp/devices.c')
| -rw-r--r-- | arch/arm/mach-mmp/devices.c | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/arch/arm/mach-mmp/devices.c b/arch/arm/mach-mmp/devices.c deleted file mode 100644 index 79f4a2aa5475..000000000000 --- a/arch/arm/mach-mmp/devices.c +++ /dev/null @@ -1,359 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/mach-mmp/devices.c - */ - -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/delay.h> - -#include <asm/irq.h> -#include "irqs.h" -#include "devices.h" -#include <linux/soc/mmp/cputype.h> -#include "regs-usb.h" - -int __init mmp_register_device(struct mmp_device_desc *desc, - void *data, size_t size) -{ - struct platform_device *pdev; - struct resource res[2 + MAX_RESOURCE_DMA]; - int i, ret = 0, nres = 0; - - pdev = platform_device_alloc(desc->drv_name, desc->id); - if (pdev == NULL) - return -ENOMEM; - - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - - memset(res, 0, sizeof(res)); - - if (desc->start != -1ul && desc->size > 0) { - res[nres].start = desc->start; - res[nres].end = desc->start + desc->size - 1; - res[nres].flags = IORESOURCE_MEM; - nres++; - } - - if (desc->irq != NO_IRQ) { - res[nres].start = desc->irq; - res[nres].end = desc->irq; - res[nres].flags = IORESOURCE_IRQ; - nres++; - } - - for (i = 0; i < MAX_RESOURCE_DMA; i++, nres++) { - if (desc->dma[i] == 0) - break; - - res[nres].start = desc->dma[i]; - res[nres].end = desc->dma[i]; - res[nres].flags = IORESOURCE_DMA; - } - - ret = platform_device_add_resources(pdev, res, nres); - if (ret) { - platform_device_put(pdev); - return ret; - } - - if (data && size) { - ret = platform_device_add_data(pdev, data, size); - if (ret) { - platform_device_put(pdev); - return ret; - } - } - - return platform_device_add(pdev); -} - -#if IS_ENABLED(CONFIG_USB) || IS_ENABLED(CONFIG_USB_GADGET) -#if IS_ENABLED(CONFIG_USB_MV_UDC) || IS_ENABLED(CONFIG_USB_EHCI_MV) -#if IS_ENABLED(CONFIG_CPU_PXA910) || IS_ENABLED(CONFIG_CPU_PXA168) - -/***************************************************************************** - * The registers read/write routines - *****************************************************************************/ - -static unsigned int u2o_get(void __iomem *base, unsigned int offset) -{ - return readl_relaxed(base + offset); -} - -static void u2o_set(void __iomem *base, unsigned int offset, - unsigned int value) -{ - u32 reg; - - reg = readl_relaxed(base + offset); - reg |= value; - writel_relaxed(reg, base + offset); - readl_relaxed(base + offset); -} - -static void u2o_clear(void __iomem *base, unsigned int offset, - unsigned int value) -{ - u32 reg; - - reg = readl_relaxed(base + offset); - reg &= ~value; - writel_relaxed(reg, base + offset); - readl_relaxed(base + offset); -} - -static void u2o_write(void __iomem *base, unsigned int offset, - unsigned int value) -{ - writel_relaxed(value, base + offset); - readl_relaxed(base + offset); -} - - -static DEFINE_MUTEX(phy_lock); -static int phy_init_cnt; - -static int usb_phy_init_internal(void __iomem *base) -{ - int loops; - - pr_info("Init usb phy!!!\n"); - - /* Initialize the USB PHY power */ - if (cpu_is_pxa910()) { - u2o_set(base, UTMI_CTRL, (1<<UTMI_CTRL_INPKT_DELAY_SOF_SHIFT) - | (1<<UTMI_CTRL_PU_REF_SHIFT)); - } - - u2o_set(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT); - u2o_set(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT); - - /* UTMI_PLL settings */ - u2o_clear(base, UTMI_PLL, UTMI_PLL_PLLVDD18_MASK - | UTMI_PLL_PLLVDD12_MASK | UTMI_PLL_PLLCALI12_MASK - | UTMI_PLL_FBDIV_MASK | UTMI_PLL_REFDIV_MASK - | UTMI_PLL_ICP_MASK | UTMI_PLL_KVCO_MASK); - - u2o_set(base, UTMI_PLL, 0xee<<UTMI_PLL_FBDIV_SHIFT - | 0xb<<UTMI_PLL_REFDIV_SHIFT | 3<<UTMI_PLL_PLLVDD18_SHIFT - | 3<<UTMI_PLL_PLLVDD12_SHIFT | 3<<UTMI_PLL_PLLCALI12_SHIFT - | 1<<UTMI_PLL_ICP_SHIFT | 3<<UTMI_PLL_KVCO_SHIFT); - - /* UTMI_TX */ - u2o_clear(base, UTMI_TX, UTMI_TX_REG_EXT_FS_RCAL_EN_MASK - | UTMI_TX_TXVDD12_MASK | UTMI_TX_CK60_PHSEL_MASK - | UTMI_TX_IMPCAL_VTH_MASK | UTMI_TX_REG_EXT_FS_RCAL_MASK - | UTMI_TX_AMP_MASK); - u2o_set(base, UTMI_TX, 3<<UTMI_TX_TXVDD12_SHIFT - | 4<<UTMI_TX_CK60_PHSEL_SHIFT | 4<<UTMI_TX_IMPCAL_VTH_SHIFT - | 8<<UTMI_TX_REG_EXT_FS_RCAL_SHIFT | 3<<UTMI_TX_AMP_SHIFT); - - /* UTMI_RX */ - u2o_clear(base, UTMI_RX, UTMI_RX_SQ_THRESH_MASK - | UTMI_REG_SQ_LENGTH_MASK); - u2o_set(base, UTMI_RX, 7<<UTMI_RX_SQ_THRESH_SHIFT - | 2<<UTMI_REG_SQ_LENGTH_SHIFT); - - /* UTMI_IVREF */ - if (cpu_is_pxa168()) - /* fixing Microsoft Altair board interface with NEC hub issue - - * Set UTMI_IVREF from 0x4a3 to 0x4bf */ - u2o_write(base, UTMI_IVREF, 0x4bf); - - /* toggle VCOCAL_START bit of UTMI_PLL */ - udelay(200); - u2o_set(base, UTMI_PLL, VCOCAL_START); - udelay(40); - u2o_clear(base, UTMI_PLL, VCOCAL_START); - - /* toggle REG_RCAL_START bit of UTMI_TX */ - udelay(400); - u2o_set(base, UTMI_TX, REG_RCAL_START); - udelay(40); - u2o_clear(base, UTMI_TX, REG_RCAL_START); - udelay(400); - - /* Make sure PHY PLL is ready */ - loops = 0; - while ((u2o_get(base, UTMI_PLL) & PLL_READY) == 0) { - mdelay(1); - loops++; - if (loops > 100) { - printk(KERN_WARNING "calibrate timeout, UTMI_PLL %x\n", - u2o_get(base, UTMI_PLL)); - break; - } - } - - if (cpu_is_pxa168()) { - u2o_set(base, UTMI_RESERVE, 1 << 5); - /* Turn on UTMI PHY OTG extension */ - u2o_write(base, UTMI_OTG_ADDON, 1); - } - - return 0; -} - -static int usb_phy_deinit_internal(void __iomem *base) -{ - pr_info("Deinit usb phy!!!\n"); - - if (cpu_is_pxa168()) - u2o_clear(base, UTMI_OTG_ADDON, UTMI_OTG_ADDON_OTG_ON); - - u2o_clear(base, UTMI_CTRL, UTMI_CTRL_RXBUF_PDWN); - u2o_clear(base, UTMI_CTRL, UTMI_CTRL_TXBUF_PDWN); - u2o_clear(base, UTMI_CTRL, UTMI_CTRL_USB_CLK_EN); - u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT); - u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT); - - return 0; -} - -int pxa_usb_phy_init(void __iomem *phy_reg) -{ - mutex_lock(&phy_lock); - if (phy_init_cnt++ == 0) - usb_phy_init_internal(phy_reg); - mutex_unlock(&phy_lock); - return 0; -} - -void pxa_usb_phy_deinit(void __iomem *phy_reg) -{ - WARN_ON(phy_init_cnt == 0); - - mutex_lock(&phy_lock); - if (--phy_init_cnt == 0) - usb_phy_deinit_internal(phy_reg); - mutex_unlock(&phy_lock); -} -#endif -#endif -#endif - -#if IS_ENABLED(CONFIG_USB_SUPPORT) -static u64 __maybe_unused usb_dma_mask = ~(u32)0; - -#if IS_ENABLED(CONFIG_PHY_PXA_USB) -struct resource pxa168_usb_phy_resources[] = { - [0] = { - .start = PXA168_U2O_PHYBASE, - .end = PXA168_U2O_PHYBASE + USB_PHY_RANGE, - .flags = IORESOURCE_MEM, - }, -}; - -struct platform_device pxa168_device_usb_phy = { - .name = "pxa-usb-phy", - .id = -1, - .resource = pxa168_usb_phy_resources, - .num_resources = ARRAY_SIZE(pxa168_usb_phy_resources), - .dev = { - .dma_mask = &usb_dma_mask, - .coherent_dma_mask = 0xffffffff, - } -}; -#endif /* CONFIG_PHY_PXA_USB */ - -#if IS_ENABLED(CONFIG_USB_MV_UDC) -struct resource pxa168_u2o_resources[] = { - /* regbase */ - [0] = { - .start = PXA168_U2O_REGBASE + U2x_CAPREGS_OFFSET, - .end = PXA168_U2O_REGBASE + USB_REG_RANGE, - .flags = IORESOURCE_MEM, - .name = "capregs", - }, - /* phybase */ - [1] = { - .start = PXA168_U2O_PHYBASE, - .end = PXA168_U2O_PHYBASE + USB_PHY_RANGE, - .flags = IORESOURCE_MEM, - .name = "phyregs", - }, - [2] = { - .start = IRQ_PXA168_USB1, - .end = IRQ_PXA168_USB1, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device pxa168_device_u2o = { - .name = "mv-udc", - .id = -1, - .resource = pxa168_u2o_resources, - .num_resources = ARRAY_SIZE(pxa168_u2o_resources), - .dev = { - .dma_mask = &usb_dma_mask, - .coherent_dma_mask = 0xffffffff, - } -}; -#endif /* CONFIG_USB_MV_UDC */ - -#if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O) -struct resource pxa168_u2oehci_resources[] = { - [0] = { - .start = PXA168_U2O_REGBASE, - .end = PXA168_U2O_REGBASE + USB_REG_RANGE, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_PXA168_USB1, - .end = IRQ_PXA168_USB1, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device pxa168_device_u2oehci = { - .name = "pxa-u2oehci", - .id = -1, - .dev = { - .dma_mask = &usb_dma_mask, - .coherent_dma_mask = 0xffffffff, - }, - - .num_resources = ARRAY_SIZE(pxa168_u2oehci_resources), - .resource = pxa168_u2oehci_resources, -}; -#endif - -#if IS_ENABLED(CONFIG_USB_MV_OTG) -struct resource pxa168_u2ootg_resources[] = { - /* regbase */ - [0] = { - .start = PXA168_U2O_REGBASE + U2x_CAPREGS_OFFSET, - .end = PXA168_U2O_REGBASE + USB_REG_RANGE, - .flags = IORESOURCE_MEM, - .name = "capregs", - }, - /* phybase */ - [1] = { - .start = PXA168_U2O_PHYBASE, - .end = PXA168_U2O_PHYBASE + USB_PHY_RANGE, - .flags = IORESOURCE_MEM, - .name = "phyregs", - }, - [2] = { - .start = IRQ_PXA168_USB1, - .end = IRQ_PXA168_USB1, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device pxa168_device_u2ootg = { - .name = "mv-otg", - .id = -1, - .dev = { - .dma_mask = &usb_dma_mask, - .coherent_dma_mask = 0xffffffff, - }, - - .num_resources = ARRAY_SIZE(pxa168_u2ootg_resources), - .resource = pxa168_u2ootg_resources, -}; -#endif /* CONFIG_USB_MV_OTG */ - -#endif |