diff options
author | Tom Rini <trini@konsulko.com> | 2018-06-04 08:55:00 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2018-06-04 08:55:00 -0400 |
commit | 809e0e398a91db7bf8b4d6259d9bfc6fbd6bce83 (patch) | |
tree | 7ae663a2a108d27eae7ce25f912d337282d94c66 /drivers/usb/musb-new | |
parent | b5351a439088dfffd83bfaac81f604344ee2e3bd (diff) | |
parent | 2e8dbe14e766deae16c75f357f926f08b881dc66 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-sunxi
Diffstat (limited to 'drivers/usb/musb-new')
-rw-r--r-- | drivers/usb/musb-new/musb_core.h | 4 | ||||
-rw-r--r-- | drivers/usb/musb-new/musb_regs.h | 3 | ||||
-rw-r--r-- | drivers/usb/musb-new/musb_uboot.c | 22 | ||||
-rw-r--r-- | drivers/usb/musb-new/sunxi.c | 228 |
4 files changed, 200 insertions, 57 deletions
diff --git a/drivers/usb/musb-new/musb_core.h b/drivers/usb/musb-new/musb_core.h index fa4cf86c79..821d0e06f6 100644 --- a/drivers/usb/musb-new/musb_core.h +++ b/drivers/usb/musb-new/musb_core.h @@ -200,6 +200,8 @@ enum musb_g_ep0_state { * @vbus_status: returns vbus status if possible * @set_vbus: forces vbus status * @adjust_channel_params: pre check for standard dma channel_program func + * @pre_root_reset_end: called before the root usb port reset flag gets cleared + * @post_root_reset_end: called after the root usb port reset flag gets cleared */ struct musb_platform_ops { int (*init)(struct musb *musb); @@ -221,6 +223,8 @@ struct musb_platform_ops { int (*adjust_channel_params)(struct dma_channel *channel, u16 packet_sz, u8 *mode, dma_addr_t *dma_addr, u32 *len); + void (*pre_root_reset_end)(struct musb *musb); + void (*post_root_reset_end)(struct musb *musb); }; /* diff --git a/drivers/usb/musb-new/musb_regs.h b/drivers/usb/musb-new/musb_regs.h index ab0d98e7c4..c4d7203b85 100644 --- a/drivers/usb/musb-new/musb_regs.h +++ b/drivers/usb/musb-new/musb_regs.h @@ -431,7 +431,8 @@ static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase) static inline u8 musb_read_configdata(void __iomem *mbase) { -#if defined CONFIG_MACH_SUN8I_A33 || defined CONFIG_MACH_SUN8I_A83T +#if defined CONFIG_MACH_SUN8I_A33 || defined CONFIG_MACH_SUN8I_A83T || \ + defined CONFIG_MACH_SUNXI_H3_H5 || defined CONFIG_MACH_SUN50I /* <Sigh> allwinner saves a reg, and we need to hardcode this */ return 0xde; #else diff --git a/drivers/usb/musb-new/musb_uboot.c b/drivers/usb/musb-new/musb_uboot.c index 8662c0ff70..2b04fbd046 100644 --- a/drivers/usb/musb-new/musb_uboot.c +++ b/drivers/usb/musb-new/musb_uboot.c @@ -1,9 +1,6 @@ #include <common.h> #include <console.h> #include <watchdog.h> -#ifdef CONFIG_ARCH_SUNXI -#include <asm/arch/usb_phy.h> -#endif #include <linux/errno.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> @@ -193,19 +190,16 @@ static int _musb_reset_root_port(struct musb_host_data *host, power &= 0xf0; musb_writeb(mbase, MUSB_POWER, MUSB_POWER_RESET | power); mdelay(50); -#ifdef CONFIG_ARCH_SUNXI - /* - * sunxi phy has a bug and it will wrongly detect high speed squelch - * when clearing reset on low-speed devices, temporary disable - * squelch detection to work around this. - */ - sunxi_usb_phy_enable_squelch_detect(0, 0); -#endif + + if (host->host->ops->pre_root_reset_end) + host->host->ops->pre_root_reset_end(host->host); + power = musb_readb(mbase, MUSB_POWER); musb_writeb(mbase, MUSB_POWER, ~MUSB_POWER_RESET & power); -#ifdef CONFIG_ARCH_SUNXI - sunxi_usb_phy_enable_squelch_detect(0, 1); -#endif + + if (host->host->ops->post_root_reset_end) + host->host->ops->post_root_reset_end(host->host); + host->host->isr(0, host->host); host->host_speed = (musb_readb(mbase, MUSB_POWER) & MUSB_POWER_HSMODE) ? USB_SPEED_HIGH : diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index f55368b601..08de9c69c7 100644 --- a/drivers/usb/musb-new/sunxi.c +++ b/drivers/usb/musb-new/sunxi.c @@ -17,10 +17,11 @@ */ #include <common.h> #include <dm.h> +#include <generic-phy.h> +#include <phy-sun4i-usb.h> #include <asm/arch/cpu.h> #include <asm/arch/clock.h> #include <asm/arch/gpio.h> -#include <asm/arch/usb_phy.h> #include <asm-generic/gpio.h> #include <dm/lists.h> #include <dm/root.h> @@ -75,13 +76,28 @@ * From usbc/usbc.c ******************************************************************************/ +struct sunxi_musb_config { + struct musb_hdrc_config *config; + u8 rst_bit; + u8 clkgate_bit; +}; + +struct sunxi_glue { + struct musb_host_data mdata; + struct sunxi_ccm_reg *ccm; + struct sunxi_musb_config *cfg; + struct device dev; + struct phy *phy; +}; +#define to_sunxi_glue(d) container_of(d, struct sunxi_glue, dev) + static u32 USBC_WakeUp_ClearChangeDetect(u32 reg_val) { u32 temp = reg_val; - temp &= ~(1 << USBC_BP_ISCR_VBUS_CHANGE_DETECT); - temp &= ~(1 << USBC_BP_ISCR_ID_CHANGE_DETECT); - temp &= ~(1 << USBC_BP_ISCR_DPDM_CHANGE_DETECT); + temp &= ~BIT(USBC_BP_ISCR_VBUS_CHANGE_DETECT); + temp &= ~BIT(USBC_BP_ISCR_ID_CHANGE_DETECT); + temp &= ~BIT(USBC_BP_ISCR_DPDM_CHANGE_DETECT); return temp; } @@ -91,7 +107,7 @@ static void USBC_EnableIdPullUp(__iomem void *base) u32 reg_val; reg_val = musb_readl(base, USBC_REG_o_ISCR); - reg_val |= (1 << USBC_BP_ISCR_ID_PULLUP_EN); + reg_val |= BIT(USBC_BP_ISCR_ID_PULLUP_EN); reg_val = USBC_WakeUp_ClearChangeDetect(reg_val); musb_writel(base, USBC_REG_o_ISCR, reg_val); } @@ -101,7 +117,7 @@ static void USBC_EnableDpDmPullUp(__iomem void *base) u32 reg_val; reg_val = musb_readl(base, USBC_REG_o_ISCR); - reg_val |= (1 << USBC_BP_ISCR_DPDM_PULLUP_EN); + reg_val |= BIT(USBC_BP_ISCR_DPDM_PULLUP_EN); reg_val = USBC_WakeUp_ClearChangeDetect(reg_val); musb_writel(base, USBC_REG_o_ISCR, reg_val); } @@ -157,7 +173,7 @@ static void USBC_ConfigFIFO_Base(void) /* config usb fifo, 8kb mode */ reg_value = readl(SUNXI_SRAMC_BASE + 0x04); reg_value &= ~(0x03 << 0); - reg_value |= (1 << 0); + reg_value |= BIT(0); writel(reg_value, SUNXI_SRAMC_BASE + 0x04); } @@ -204,6 +220,7 @@ static bool enabled = false; static int sunxi_musb_enable(struct musb *musb) { + struct sunxi_glue *glue = to_sunxi_glue(musb->controller); int ret; pr_debug("%s():\n", __func__); @@ -218,17 +235,23 @@ static int sunxi_musb_enable(struct musb *musb) musb_writeb(musb->mregs, USBC_REG_o_VEND0, 0); if (is_host_enabled(musb)) { - ret = sunxi_usb_phy_vbus_detect(0); + ret = sun4i_usb_phy_vbus_detect(glue->phy); if (ret == 1) { printf("A charger is plugged into the OTG: "); return -ENODEV; } - ret = sunxi_usb_phy_id_detect(0); + + ret = sun4i_usb_phy_id_detect(glue->phy); if (ret == 1) { printf("No host cable detected: "); return -ENODEV; } - sunxi_usb_phy_power_on(0); /* port power on */ + + ret = generic_phy_power_on(glue->phy); + if (ret) { + pr_err("failed to power on USB PHY\n"); + return ret; + } } USBC_ForceVbusValidToHigh(musb->mregs); @@ -239,13 +262,21 @@ static int sunxi_musb_enable(struct musb *musb) static void sunxi_musb_disable(struct musb *musb) { + struct sunxi_glue *glue = to_sunxi_glue(musb->controller); + int ret; + pr_debug("%s():\n", __func__); if (!enabled) return; - if (is_host_enabled(musb)) - sunxi_usb_phy_power_off(0); /* port power off */ + if (is_host_enabled(musb)) { + ret = generic_phy_power_off(glue->phy); + if (ret) { + pr_err("failed to power off USB PHY\n"); + return; + } + } USBC_ForceVbusValidToLow(musb->mregs); mdelay(200); /* Wait for the current session to timeout */ @@ -255,17 +286,29 @@ static void sunxi_musb_disable(struct musb *musb) static int sunxi_musb_init(struct musb *musb) { - struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_glue *glue = to_sunxi_glue(musb->controller); + int ret; pr_debug("%s():\n", __func__); + ret = generic_phy_init(glue->phy); + if (ret) { + pr_err("failed to init USB PHY\n"); + return ret; + } + musb->isr = sunxi_musb_interrupt; - setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0); + setbits_le32(&glue->ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_USB0)); + if (glue->cfg->clkgate_bit) + setbits_le32(&glue->ccm->ahb_gate0, + BIT(glue->cfg->clkgate_bit)); #ifdef CONFIG_SUNXI_GEN_SUN6I - setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0); + setbits_le32(&glue->ccm->ahb_reset0_cfg, BIT(AHB_GATE_OFFSET_USB0)); + if (glue->cfg->rst_bit) + setbits_le32(&glue->ccm->ahb_reset0_cfg, + BIT(glue->cfg->rst_bit)); #endif - sunxi_usb_phy_init(0); USBC_ConfigFIFO_Base(); USBC_EnableDpDmPullUp(musb->mregs); @@ -283,44 +326,116 @@ static int sunxi_musb_init(struct musb *musb) return 0; } +static void sunxi_musb_pre_root_reset_end(struct musb *musb) +{ + struct sunxi_glue *glue = to_sunxi_glue(musb->controller); + + sun4i_usb_phy_set_squelch_detect(glue->phy, false); +} + +static void sunxi_musb_post_root_reset_end(struct musb *musb) +{ + struct sunxi_glue *glue = to_sunxi_glue(musb->controller); + + sun4i_usb_phy_set_squelch_detect(glue->phy, true); +} + static const struct musb_platform_ops sunxi_musb_ops = { .init = sunxi_musb_init, .enable = sunxi_musb_enable, .disable = sunxi_musb_disable, + .pre_root_reset_end = sunxi_musb_pre_root_reset_end, + .post_root_reset_end = sunxi_musb_post_root_reset_end, +}; + +/* Allwinner OTG supports up to 5 endpoints */ +#define SUNXI_MUSB_MAX_EP_NUM 6 +#define SUNXI_MUSB_RAM_BITS 11 + +static struct musb_fifo_cfg sunxi_musb_mode_cfg[] = { + MUSB_EP_FIFO_SINGLE(1, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(1, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(2, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(2, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(3, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(3, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(4, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(4, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(5, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(5, FIFO_RX, 512), +}; + +/* H3/V3s OTG supports only 4 endpoints */ +#define SUNXI_MUSB_MAX_EP_NUM_H3 5 + +static struct musb_fifo_cfg sunxi_musb_mode_cfg_h3[] = { + MUSB_EP_FIFO_SINGLE(1, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(1, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(2, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(2, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(3, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(3, FIFO_RX, 512), + MUSB_EP_FIFO_SINGLE(4, FIFO_TX, 512), + MUSB_EP_FIFO_SINGLE(4, FIFO_RX, 512), }; static struct musb_hdrc_config musb_config = { - .multipoint = 1, - .dyn_fifo = 1, - .num_eps = 6, - .ram_bits = 11, + .fifo_cfg = sunxi_musb_mode_cfg, + .fifo_cfg_size = ARRAY_SIZE(sunxi_musb_mode_cfg), + .multipoint = true, + .dyn_fifo = true, + .num_eps = SUNXI_MUSB_MAX_EP_NUM, + .ram_bits = SUNXI_MUSB_RAM_BITS, }; -static struct musb_hdrc_platform_data musb_plat = { -#if defined(CONFIG_USB_MUSB_HOST) - .mode = MUSB_HOST, -#else - .mode = MUSB_PERIPHERAL, -#endif - .config = &musb_config, - .power = 250, - .platform_ops = &sunxi_musb_ops, +static struct musb_hdrc_config musb_config_h3 = { + .fifo_cfg = sunxi_musb_mode_cfg_h3, + .fifo_cfg_size = ARRAY_SIZE(sunxi_musb_mode_cfg_h3), + .multipoint = true, + .dyn_fifo = true, + .soft_con = true, + .num_eps = SUNXI_MUSB_MAX_EP_NUM_H3, + .ram_bits = SUNXI_MUSB_RAM_BITS, }; static int musb_usb_probe(struct udevice *dev) { - struct musb_host_data *host = dev_get_priv(dev); + struct sunxi_glue *glue = dev_get_priv(dev); + struct musb_host_data *host = &glue->mdata; struct usb_bus_priv *priv = dev_get_uclass_priv(dev); + struct musb_hdrc_platform_data pdata; void *base = dev_read_addr_ptr(dev); + struct phy phy; int ret; if (!base) return -EINVAL; + glue->cfg = (struct sunxi_musb_config *)dev_get_driver_data(dev); + if (!glue->cfg) + return -EINVAL; + + glue->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + if (IS_ERR(glue->ccm)) + return PTR_ERR(glue->ccm); + + ret = generic_phy_get_by_name(dev, "usb", &phy); + if (ret) { + pr_err("failed to get usb PHY\n"); + return ret; + } + + glue->phy = &phy; priv->desc_before_addr = true; + memset(&pdata, 0, sizeof(pdata)); + pdata.power = 250; + pdata.platform_ops = &sunxi_musb_ops; + pdata.config = glue->cfg->config; + #ifdef CONFIG_USB_MUSB_HOST - host->host = musb_init_controller(&musb_plat, NULL, base); + pdata.mode = MUSB_HOST; + host->host = musb_init_controller(&pdata, &glue->dev, base); if (!host->host) return -EIO; @@ -328,7 +443,8 @@ static int musb_usb_probe(struct udevice *dev) if (!ret) printf("Allwinner mUSB OTG (Host)\n"); #else - ret = musb_register(&musb_plat, NULL, base); + pdata.mode = MUSB_PERIPHERAL; + ret = musb_register(&pdata, &glue->dev, base); if (!ret) printf("Allwinner mUSB OTG (Peripheral)\n"); #endif @@ -338,16 +454,30 @@ static int musb_usb_probe(struct udevice *dev) static int musb_usb_remove(struct udevice *dev) { - struct musb_host_data *host = dev_get_priv(dev); - struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_glue *glue = dev_get_priv(dev); + struct musb_host_data *host = &glue->mdata; + int ret; + + if (generic_phy_valid(glue->phy)) { + ret = generic_phy_exit(glue->phy); + if (ret) { + pr_err("failed to exit %s USB PHY\n", dev->name); + return ret; + } + } musb_stop(host->host); - sunxi_usb_phy_exit(0); #ifdef CONFIG_SUNXI_GEN_SUN6I - clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0); + clrbits_le32(&glue->ccm->ahb_reset0_cfg, BIT(AHB_GATE_OFFSET_USB0)); + if (glue->cfg->rst_bit) + clrbits_le32(&glue->ccm->ahb_reset0_cfg, + BIT(glue->cfg->rst_bit)); #endif - clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0); + clrbits_le32(&glue->ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_USB0)); + if (glue->cfg->clkgate_bit) + clrbits_le32(&glue->ccm->ahb_gate0, + BIT(glue->cfg->clkgate_bit)); free(host->host); host->host = NULL; @@ -355,11 +485,25 @@ static int musb_usb_remove(struct udevice *dev) return 0; } +static const struct sunxi_musb_config sun4i_a10_cfg = { + .config = &musb_config, +}; + +static const struct sunxi_musb_config sun8i_h3_cfg = { + .config = &musb_config_h3, + .rst_bit = 23, + .clkgate_bit = 23, +}; + static const struct udevice_id sunxi_musb_ids[] = { - { .compatible = "allwinner,sun4i-a10-musb" }, - { .compatible = "allwinner,sun6i-a31-musb" }, - { .compatible = "allwinner,sun8i-a33-musb" }, - { .compatible = "allwinner,sun8i-h3-musb" }, + { .compatible = "allwinner,sun4i-a10-musb", + .data = (ulong)&sun4i_a10_cfg }, + { .compatible = "allwinner,sun6i-a31-musb", + .data = (ulong)&sun4i_a10_cfg }, + { .compatible = "allwinner,sun8i-a33-musb", + .data = (ulong)&sun4i_a10_cfg }, + { .compatible = "allwinner,sun8i-h3-musb", + .data = (ulong)&sun8i_h3_cfg }, { } }; @@ -377,5 +521,5 @@ U_BOOT_DRIVER(usb_musb) = { .ops = &musb_usb_ops, #endif .platdata_auto_alloc_size = sizeof(struct usb_platdata), - .priv_auto_alloc_size = sizeof(struct musb_host_data), + .priv_auto_alloc_size = sizeof(struct sunxi_glue), }; |