diff options
| author | tang yuantian <Yuantian.Tang@freescale.com> | 2015-10-16 16:06:05 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-10-29 10:34:02 -0700 |
| commit | 4632ad773ed31f4dd6aeb859de148402f8932111 (patch) | |
| tree | df05195bf820b2fb9cc8508f38663a3391f706fe /arch/arm/cpu | |
| parent | 7ff7166c55c67b2e567e4cbf4a934cdf0d41ea5b (diff) | |
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>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/ls102xa_sata.c | 42 |
2 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/Makefile b/arch/arm/cpu/armv7/ls102xa/Makefile index 2d55782749..2311468ac9 100644 --- a/arch/arm/cpu/armv7/ls102xa/Makefile +++ b/arch/arm/cpu/armv7/ls102xa/Makefile @@ -9,6 +9,7 @@ obj-y += clock.o obj-y += timer.o obj-y += fsl_epu.o +obj-$(CONFIG_SCSI_AHCI_PLAT) += ls102xa_sata.o obj-$(CONFIG_OF_LIBFDT) += fdt.o obj-$(CONFIG_SYS_HAS_SERDES) += fsl_ls1_serdes.o ls102xa_serdes.o obj-$(CONFIG_SPL) += spl.o diff --git a/arch/arm/cpu/armv7/ls102xa/ls102xa_sata.c b/arch/arm/cpu/armv7/ls102xa/ls102xa_sata.c new file mode 100644 index 0000000000..deeb674c69 --- /dev/null +++ b/arch/arm/cpu/armv7/ls102xa/ls102xa_sata.c @@ -0,0 +1,42 @@ +/* + * 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; +} |