From: Tang Yuantian Yuantian.Tang@freescale.com
Freescale ARM-based Layerscape SoCs contain a SATA controller which comply with the serial ATA 3.0 specification and the AHCI 1.3 specification. This patch adds some basic SATA APIs which would be called by specific board.
Signed-off-by: Tang Yuantian Yuantian.Tang@freescale.com --- board/freescale/common/Makefile | 6 +++++ board/freescale/common/ls_sata.c | 52 ++++++++++++++++++++++++++++++++++++++++ board/freescale/common/ls_sata.h | 39 ++++++++++++++++++++++++++++++ 3 files changed, 97 insertions(+) create mode 100644 board/freescale/common/ls_sata.c create mode 100644 board/freescale/common/ls_sata.h
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index 87d0578..8508005 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -43,6 +43,12 @@ else obj-$(CONFIG_DEEP_SLEEP) += mpc85xx_sleep.o endif
+ifdef CONFIG_ARM +ifdef CONFIG_SATA1 +obj-y += ls_sata.o +endif +endif + obj-$(CONFIG_FSL_DCU_SII9022A) += dcu_sii9022a.o
obj-$(CONFIG_MPC8541CDS) += cds_pci_ft.o diff --git a/board/freescale/common/ls_sata.c b/board/freescale/common/ls_sata.c new file mode 100644 index 0000000..2aab939 --- /dev/null +++ b/board/freescale/common/ls_sata.c @@ -0,0 +1,52 @@ +/* + * Copyright 2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <ahci.h> +#include <scsi.h> + +#include "ls_sata.h" + +void ls_sata_init(void) +{ + struct ccsr_ahci __iomem *ccsr_ahci; + +#ifdef CONFIG_SYS_FSL_ERRATUM_A008407 + unsigned int __iomem *dcfg_ecc = (void *)0x20220520; + out_le32(dcfg_ecc, 0x00020000); +#endif + +#ifdef CONFIG_SATA2 + ccsr_ahci = (void __iomem *)CONFIG_SYS_SATA2; + out_le32(&ccsr_ahci->ppcfg, 0xa003fffe); +#endif + +#ifdef CONFIG_SATA1 + ccsr_ahci = (void __iomem *)CONFIG_SYS_SATA1; + out_le32(&ccsr_ahci->ppcfg, 0xa003fffe); +#ifdef CONFIG_LS102XA + out_le32(&ccsr_ahci->pp2c, 0x28183411); + out_le32(&ccsr_ahci->pp3c, 0x0e081004); + out_le32(&ccsr_ahci->pp4c, 0x00480811); + out_le32(&ccsr_ahci->pp5c, 0x192c96a4); + out_le32(&ccsr_ahci->ptc, 0x08000025); +#endif +#endif +} + +int ls_sata_start(void) +{ + int rc; + + rc = ahci_init((void *)CONFIG_SYS_SATA1); + if (rc) + return rc; + + scsi_scan(0); + + return 0; +} diff --git a/board/freescale/common/ls_sata.h b/board/freescale/common/ls_sata.h new file mode 100644 index 0000000..a69854c --- /dev/null +++ b/board/freescale/common/ls_sata.h @@ -0,0 +1,39 @@ +/* + * Copyright 2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __LS_SATA_H +#define __LS_SATA_H + +/* AHCI (sata) register map */ +struct ccsr_ahci { + u32 res1[0xa4/4]; /* 0x0 - 0xa4 */ + u32 pcfg; /* port config */ + u32 ppcfg; /* port phy1 config */ + u32 pp2c; /* port phy2 config */ + u32 pp3c; /* port phy3 config */ + u32 pp4c; /* port phy4 config */ + u32 pp5c; /* port phy5 config */ + u32 paxic; /* port AXI config */ + u32 axicc; /* AXI cache control */ + u32 axipc; /* AXI PROT control */ + u32 ptc; /* port Trans Config */ + u32 pts; /* port Trans Status */ + u32 plc; /* port link config */ + u32 plc1; /* port link config1 */ + u32 plc2; /* port link config2 */ + u32 pls; /* port link status */ + u32 pls1; /* port link status1 */ + u32 pcmdc; /* port CMD config */ + u32 ppcs; /* port phy control status */ + u32 pberr; /* port 0/1 BIST error */ + u32 cmds; /* port 0/1 CMD status error */ +}; + +void ls_sata_init(void); + +int ls_sata_start(void); + +#endif