ufs/host/ufs-hisi.c

71 	struct ufs_hisi_host *host = ufshcd_get_variant(hba);
73 	ufs_sys_ctrl_clr_bits(host, BIT_SYSCTRL_REF_CLOCK_EN, PHY_CLK_CTRL);
74 	if (ufs_sys_ctrl_readl(host, PHY_CLK_CTRL) & BIT_SYSCTRL_REF_CLOCK_EN)
77 	ufs_sys_ctrl_clr_bits(host, BIT_UFS_REFCLK_SRC_SEl, UFS_SYSCTRL);
78 	ufs_sys_ctrl_clr_bits(host, BIT_UFS_REFCLK_ISO_EN, PHY_ISO_EN);
80 	ufs_sys_ctrl_set_bits(host, BIT_SYSCTRL_REF_CLOCK_EN, PHY_CLK_CTRL);
85 	struct ufs_hisi_host *host = ufshcd_get_variant(hba);
88 	if (!IS_ERR(host->rst))
89 		reset_control_assert(host->rst);
92 	ufs_sys_ctrl_set_bits(host, BIT_UFS_PSW_MTCMOS_EN, PSW_POWER_CTRL);
95 	ufs_sys_ctrl_set_bits(host, BIT_SYSCTRL_PWR_READY, HC_LP_CTRL);
96 	ufs_sys_ctrl_writel(host, MASK_UFS_DEVICE_RESET | 0,
99 	reg = ufs_sys_ctrl_readl(host, PHY_CLK_CTRL);
102 	ufs_sys_ctrl_writel(host, reg, PHY_CLK_CTRL);
104 	ufs_sys_ctrl_clr_bits(host, MASK_SYSCTRL_REF_CLOCK_SEL, PHY_CLK_CTRL);
106 	ufs_sys_ctrl_set_bits(host, MASK_UFS_CLK_GATE_BYPASS,
108 	ufs_sys_ctrl_set_bits(host, MASK_UFS_SYSCRTL_BYPASS, UFS_SYSCTRL);
111 	ufs_sys_ctrl_set_bits(host, BIT_SYSCTRL_PSW_CLK_EN, PSW_CLK_CTRL);
113 	ufs_sys_ctrl_clr_bits(host, BIT_UFS_PSW_ISO_CTRL, PSW_POWER_CTRL);
115 	ufs_sys_ctrl_clr_bits(host, BIT_UFS_PHY_ISO_CTRL, PHY_ISO_EN);
117 	ufs_sys_ctrl_clr_bits(host, BIT_SYSCTRL_LP_ISOL_EN, HC_LP_CTRL);
120 	ufs_sys_ctrl_set_bits(host, BIT_SYSCTRL_LP_RESET_N, RESET_CTRL_EN);
123 	ufs_sys_ctrl_writel(host, MASK_UFS_DEVICE_RESET | BIT_UFS_DEVICE_RESET,
134 	ufs_sys_ctrl_writel(host, 0x03300330, UFS_DEVICE_RESET_CTRL);
136 	if (!IS_ERR(host->rst))
137 		reset_control_deassert(host->rst);
142 	struct ufs_hisi_host *host = ufshcd_get_variant(hba);
158 	if (host->caps & UFS_HISI_CAP_PHY10nm) {
185 	if (host->caps & UFS_HISI_CAP_PHY10nm) {
231 	if (!(host->caps & UFS_HISI_CAP_PHY10nm))
254 	struct ufs_hisi_host *host = ufshcd_get_variant(hba);
264 	ufs_sys_ctrl_clr_bits(host, MASK_UFS_CLK_GATE_BYPASS,
266 	ufs_sys_ctrl_clr_bits(host, MASK_UFS_SYSCRTL_BYPASS,
303 	struct ufs_hisi_host *host = ufshcd_get_variant(hba);
305 	if (host->caps & UFS_HISI_CAP_PHY10nm) {
409 	struct ufs_hisi_host *host = ufshcd_get_variant(hba);
417 	if (host->in_suspend) {
422 	ufs_sys_ctrl_clr_bits(host, BIT_SYSCTRL_REF_CLOCK_EN, PHY_CLK_CTRL);
425 	ufs_sys_ctrl_writel(host, 0x00100000, UFS_DEVICE_RESET_CTRL);
427 	host->in_suspend = true;
434 	struct ufs_hisi_host *host = ufshcd_get_variant(hba);
436 	if (!host->in_suspend)
440 	ufs_sys_ctrl_writel(host, 0x00100010, UFS_DEVICE_RESET_CTRL);
442 	ufs_sys_ctrl_set_bits(host, BIT_SYSCTRL_REF_CLOCK_EN, PHY_CLK_CTRL);
444 	host->in_suspend = false;
448 static int ufs_hisi_get_resource(struct ufs_hisi_host *host)
450 	struct device *dev = host->hba->dev;
454 	host->ufs_sys_ctrl = devm_platform_ioremap_resource(pdev, 1);
455 	return PTR_ERR_OR_ZERO(host->ufs_sys_ctrl);
466  * @hba: host controller instance
472 	struct ufs_hisi_host *host;
474 	host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);
475 	if (!host)
478 	host->hba = hba;
479 	ufshcd_set_variant(hba, host);
481 	host->rst = devm_reset_control_get(dev, "rst");
482 	if (IS_ERR(host->rst)) {
484 		err = PTR_ERR(host->rst);
490 	err = ufs_hisi_get_resource(host);
523 	struct ufs_hisi_host *host;
536 	host = ufshcd_get_variant(hba);
537 	host->caps |= UFS_HISI_CAP_PHY10nm;