u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_sata.c
tang yuantian 4632ad773e arm: ls1021a: Add sata support on qds and twr board
Freescale ARM-based Layerscape LS102xA contain a SATA controller
which comply with the serial ATA 3.0 specification and the
AHCI 1.3 specification.
This patch adds SATA feature on ls1021aqds and ls1021atwr boards.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-10-29 10:34:02 -07:00

42 lines
1.1 KiB
C

/*
* Copyright 2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/immap_ls102xa.h>
#include <ahci.h>
#include <scsi.h>
/* port register default value */
#define AHCI_PORT_PHY_1_CFG 0xa003fffe
#define AHCI_PORT_PHY_2_CFG 0x28183411
#define AHCI_PORT_PHY_3_CFG 0x0e081004
#define AHCI_PORT_PHY_4_CFG 0x00480811
#define AHCI_PORT_PHY_5_CFG 0x192c96a4
#define AHCI_PORT_TRANS_CFG 0x08000025
#define SATA_ECC_REG_ADDR 0x20220520
#define SATA_ECC_DISABLE 0x00020000
int ls1021a_sata_init(void)
{
struct ccsr_ahci __iomem *ccsr_ahci = (void *)AHCI_BASE_ADDR;
#ifdef CONFIG_SYS_FSL_ERRATUM_A008407
out_le32((void *)SATA_ECC_REG_ADDR, SATA_ECC_DISABLE);
#endif
out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
out_le32(&ccsr_ahci->pp2c, AHCI_PORT_PHY_2_CFG);
out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY_3_CFG);
out_le32(&ccsr_ahci->pp4c, AHCI_PORT_PHY_4_CFG);
out_le32(&ccsr_ahci->pp5c, AHCI_PORT_PHY_5_CFG);
out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
ahci_init((void __iomem *)AHCI_BASE_ADDR);
scsi_scan(0);
return 0;
}