4  * Written-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
6  * SPDX-License-Identifier:	GPL-2.0+
20 /* SATA port registers */
43  * - to compile at all, we need CONFIG_SYS_ATA_BASE_ADDR.
44  * - for ide_preinit to make sense, we need at least one of
46  * - for ide_preinit to be called, we need CONFIG_IDE_PREINIT.
86  * If/when standard negative codes are implemented in U-Boot, then these
92 #define MVSATA_STATUS_TIMEOUT	-1
95  * Registers for SATA MBUS memory windows
102  * Initialize SATA memory windows for Armada XP
119 	for (i = 0; i < dram->num_cs; i++) {  in mvsata_ide_conf_mbus_windows()
120 		const struct mbus_dram_window *cs = dram->cs + i;  in mvsata_ide_conf_mbus_windows()
121 		writel(((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) |  in mvsata_ide_conf_mbus_windows()
122 				(dram->mbus_dram_target_id << 4) | 1,  in mvsata_ide_conf_mbus_windows()
124 		writel(cs->base & 0xffff0000, MVSATA_WIN_BASE(i));  in mvsata_ide_conf_mbus_windows()
130  * Initialize one MVSATAHC port: set SControl's IPM to "always active"
136 static int mvsata_ide_initialize_port(struct mvsata_port_registers *port)  in mvsata_ide_initialize_port()  argument
140 	u32 timeleft = 10000; /* wait at most 10 ms for SATA reset to complete */  in mvsata_ide_initialize_port()
143 	writel(MVSATA_EDMA_CMD_ATA_RST, &port->edma_cmd);  in mvsata_ide_initialize_port()
144 	udelay(25); /* taken from original marvell port */  in mvsata_ide_initialize_port()
145 	writel(0, &port->edma_cmd);  in mvsata_ide_initialize_port()
148 	control = readl(&port->scontrol);  in mvsata_ide_initialize_port()
150 	writel(control, &port->scontrol);  in mvsata_ide_initialize_port()
153 	writel(control, &port->scontrol);  in mvsata_ide_initialize_port()
155 	while (--timeleft) {  in mvsata_ide_initialize_port()
156 		status = readl(&port->sstatus) & MVSATA_SSTATUS_DET_MASK;  in mvsata_ide_initialize_port()
161 	/* return success or time-out error depending on time left */  in mvsata_ide_initialize_port()
181 	/* Enable ATA port 0 (could be SATA port 0 or 1) if declared */  in ide_preinit()
189 	/* Enable ATA port 1 (could be SATA port 0 or 1) if declared */  in ide_preinit()
197 	/* Return success if at least one port initialization succeeded */  in ide_preinit()