diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/soc.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/soc.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 8896b70e78..984eaf903e 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -6,6 +6,8 @@ #include <common.h> #include <fsl_ifc.h> +#include <ahci.h> +#include <scsi.h> #include <asm/arch/soc.h> #include <asm/io.h> #include <asm/global_data.h> @@ -14,6 +16,41 @@ DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A) +/* + * This erratum requires setting a value to eddrtqcr1 to + * optimal the DDR performance. + */ +static void erratum_a008336(void) +{ + u32 *eddrtqcr1; + +#ifdef CONFIG_SYS_FSL_ERRATUM_A008336 +#ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800; + out_le32(eddrtqcr1, 0x63b30002); +#endif +#ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800; + out_le32(eddrtqcr1, 0x63b30002); +#endif +#endif +} + +/* + * This erratum requires a register write before being Memory + * controller 3 being enabled. + */ +static void erratum_a008514(void) +{ + u32 *eddrtqcr1; + +#ifdef CONFIG_SYS_FSL_ERRATUM_A008514 +#ifdef CONFIG_SYS_FSL_DCSR_DDR3_ADDR + eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800; + out_le32(eddrtqcr1, 0x63b20002); +#endif +#endif +} #ifdef CONFIG_SYS_FSL_ERRATUM_A009635 #define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val" @@ -118,17 +155,61 @@ void fsl_lsch3_early_init_f(void) erratum_rcw_src(); init_early_memctl_regs(); /* tighten IFC timing */ erratum_a009203(); + erratum_a008514(); + erratum_a008336(); +} + +#ifdef CONFIG_SCSI_AHCI_PLAT +int sata_init(void) +{ + struct ccsr_ahci __iomem *ccsr_ahci; + + ccsr_ahci = (void *)CONFIG_SYS_SATA2; + out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG); + out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG); + + ccsr_ahci = (void *)CONFIG_SYS_SATA1; + out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG); + out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG); + + ahci_init((void __iomem *)CONFIG_SYS_SATA1); + scsi_scan(0); + + return 0; } +#endif #elif defined(CONFIG_LS1043A) +#ifdef CONFIG_SCSI_AHCI_PLAT +int sata_init(void) +{ + struct ccsr_ahci __iomem *ccsr_ahci = (void *)CONFIG_SYS_SATA; + + 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->ptc, AHCI_PORT_TRANS_CFG); + + ahci_init((void __iomem *)CONFIG_SYS_SATA); + scsi_scan(0); + + return 0; +} +#endif + void fsl_lsch2_early_init_f(void) { struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; + struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; #ifdef CONFIG_FSL_IFC init_early_memctl_regs(); /* tighten IFC timing */ #endif + /* Make SEC reads and writes snoopable */ + setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP | + SCFG_SNPCNFGCR_SECWRSNP); + /* * Enable snoop requests and DVM message requests for * Slave insterface S4 (A53 core cluster) @@ -141,6 +222,10 @@ void fsl_lsch2_early_init_f(void) #ifdef CONFIG_BOARD_LATE_INIT int board_late_init(void) { +#ifdef CONFIG_SCSI_AHCI_PLAT + sata_init(); +#endif + return 0; } #endif |
