From: Tang Yuantian <yuantian.t...@freescale.com>

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.t...@freescale.com>
---
v2:
        - rebase to latest git tree
        - use micro SATA_ECC_REG_ADDR instead of hard coding 

 arch/arm/include/asm/arch-ls102xa/config.h        | 15 ++++++
 arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 24 +++++++++
 board/freescale/ls1021aqds/ls1021aqds.c           | 61 +++++++++++++++++++++++
 board/freescale/ls1021atwr/ls1021atwr.c           | 61 +++++++++++++++++++++++
 4 files changed, 161 insertions(+)

diff --git a/arch/arm/include/asm/arch-ls102xa/config.h 
b/arch/arm/include/asm/arch-ls102xa/config.h
index c55cdef..a4a5d84 100644
--- a/arch/arm/include/asm/arch-ls102xa/config.h
+++ b/arch/arm/include/asm/arch-ls102xa/config.h
@@ -79,6 +79,21 @@
 #define CONFIG_SYS_PCIE2_PHYS_ADDR             (CONFIG_SYS_PCIE2_PHYS_BASE + \
                                                 CONFIG_SYS_PCIE2_VIRT_ADDR)
 
+/* SATA */
+#define AHCI_BASE_ADDR                         (CONFIG_SYS_IMMR + 0x02200000)
+#define CONFIG_BOARD_LATE_INIT
+#define CONFIG_CMD_SCSI
+#define CONFIG_LIBATA
+#define CONFIG_SCSI_AHCI
+#define CONFIG_SCSI_AHCI_PLAT
+#define CONFIG_SYS_SCSI_MAX_SCSI_ID            1
+#define CONFIG_SYS_SCSI_MAX_LUN                1
+#define CONFIG_SYS_SCSI_MAX_DEVICE             (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
+                                               CONFIG_SYS_SCSI_MAX_LUN)
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#define CONFIG_SYS_FSL_ERRATUM_A008407
+
 #ifdef CONFIG_DDR_SPD
 #define CONFIG_SYS_FSL_DDR_BE
 #define CONFIG_VERY_BIG_RAM
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h 
b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
index d34044a..211fe1d 100644
--- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
+++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
@@ -397,4 +397,28 @@ struct ccsr_cci400 {
        u8 res_e004[0x10000 - 0xe004];
 };
 
+/* 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 */
+};
 #endif /* __ASM_ARCH_LS102XA_IMMAP_H_ */
diff --git a/board/freescale/ls1021aqds/ls1021aqds.c 
b/board/freescale/ls1021aqds/ls1021aqds.c
index d6ef6ba..1b26ed3 100644
--- a/board/freescale/ls1021aqds/ls1021aqds.c
+++ b/board/freescale/ls1021aqds/ls1021aqds.c
@@ -18,6 +18,8 @@
 #include <fsl_ifc.h>
 #include <fsl_sec.h>
 #include <spl.h>
+#include <ahci.h>
+#include <scsi.h>
 
 #include "../common/sleep.h"
 #include "../common/qixis.h"
@@ -54,6 +56,52 @@ enum {
        GE1_CLK125,
 };
 
+static void ls1021a_sata_init(void)
+{
+       struct ccsr_ahci __iomem *ccsr_ahci = (void *)AHCI_BASE_ADDR;
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008407
+#define SATA_ECC_REG_ADDR      0x20220520
+       unsigned int __iomem *ecc_reg = (void *)SATA_ECC_REG_ADDR;
+#endif
+
+       out_le32(&ccsr_ahci->ppcfg, 0xa003fffe);
+       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);
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008407
+       out_le32(ecc_reg, 0x00020000);
+#endif
+}
+
+#ifdef CONFIG_SCSI_AHCI_PLAT
+static int ls1021a_sata_start(void)
+{
+       struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR;
+       u32 cfg;
+       int rc = -1;
+
+       cfg = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
+       cfg >>= RCWSR4_SRDS1_PRTCL_SHIFT;
+
+       if (cfg != 0x30 && cfg != 0x70) {
+               printf("SATA disabled: serdes protocol doesn't support\n");
+               return rc;
+       }
+
+       rc = ahci_init((void __iomem *)AHCI_BASE_ADDR);
+       if (rc)
+               return rc;
+
+       scsi_scan(0);
+
+       return 0;
+}
+#endif
+
 #ifdef CONFIG_LS102XA_NS_ACCESS
 static struct csu_ns_dev ns_dev[] = {
        { CSU_CSLX_PCIE2_IO, CSU_ALL_RW },
@@ -327,6 +375,8 @@ int board_early_init_f(void)
                fsl_dp_disable_console();
 #endif
 
+       ls1021a_sata_init();
+
        return 0;
 }
 
@@ -388,6 +438,17 @@ void board_init_f(ulong dummy)
 }
 #endif
 
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#ifdef CONFIG_SCSI_AHCI_PLAT
+       ls1021a_sata_start();
+#endif
+
+       return 0;
+}
+#endif
+
 void config_etseccm_source(int etsec_gtx_125_mux)
 {
        struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
diff --git a/board/freescale/ls1021atwr/ls1021atwr.c 
b/board/freescale/ls1021atwr/ls1021atwr.c
index b7458a9..6a964c3 100644
--- a/board/freescale/ls1021atwr/ls1021atwr.c
+++ b/board/freescale/ls1021atwr/ls1021atwr.c
@@ -22,6 +22,8 @@
 #include <tsec.h>
 #include <fsl_sec.h>
 #include <spl.h>
+#include <ahci.h>
+#include <scsi.h>
 #include "../common/sleep.h"
 #ifdef CONFIG_U_QE
 #include "../../../drivers/qe/qe.h"
@@ -173,6 +175,52 @@ struct cpld_data {
        u8 rev2;                /* Reserved */
 };
 
+static void ls1021a_sata_init(void)
+{
+       struct ccsr_ahci __iomem *ccsr_ahci = (void *)AHCI_BASE_ADDR;
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008407
+#define SATA_ECC_REG_ADDR      0x20220520
+       unsigned int __iomem *ecc_reg = (void *)SATA_ECC_REG_ADDR;
+#endif
+
+       out_le32(&ccsr_ahci->ppcfg, 0xa003fffe);
+       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);
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008407
+       out_le32(ecc_reg, 0x00020000);
+#endif
+}
+
+#ifdef CONFIG_SCSI_AHCI_PLAT
+static int ls1021a_sata_start(void)
+{
+       struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR;
+       u32 cfg;
+       int rc = -1;
+
+       cfg = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
+       cfg >>= RCWSR4_SRDS1_PRTCL_SHIFT;
+
+       if (cfg != 0x10 && cfg != 0x30 && cfg != 0x70) {
+               printf("SATA disabled: serdes protocol doesn't support\n");
+               return rc;
+       }
+
+       rc = ahci_init((void __iomem *)AHCI_BASE_ADDR);
+       if (rc)
+               return rc;
+
+       scsi_scan(0);
+
+       return 0;
+}
+#endif
+
 #ifndef CONFIG_QSPI_BOOT
 static void convert_serdes_mux(int type, int need_reset);
 
@@ -522,9 +570,22 @@ int board_early_init_f(void)
                fsl_dp_disable_console();
 #endif
 
+       ls1021a_sata_init();
+
        return 0;
 }
 
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#ifdef CONFIG_SCSI_AHCI_PLAT
+       ls1021a_sata_start();
+#endif
+
+       return 0;
+}
+#endif
+
 #ifdef CONFIG_SPL_BUILD
 void board_init_f(ulong dummy)
 {
-- 
2.1.0.27.g96db324

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