diff options
Diffstat (limited to 'arch/mips/mach-mscc/include/mach/ddr.h')
| -rw-r--r-- | arch/mips/mach-mscc/include/mach/ddr.h | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/arch/mips/mach-mscc/include/mach/ddr.h b/arch/mips/mach-mscc/include/mach/ddr.h index f445e63..7552acb 100644 --- a/arch/mips/mach-mscc/include/mach/ddr.h +++ b/arch/mips/mach-mscc/include/mach/ddr.h @@ -161,7 +161,7 @@ #endif -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) #define MIPS_VCOREIII_MEMORY_16BIT 1 #endif @@ -239,7 +239,7 @@ ICPU_MEMCTRL_CFG_MSB_ROW_ADDR(VC3_MPAR_row_addr_cnt - 1) | \ ICPU_MEMCTRL_CFG_MSB_COL_ADDR(VC3_MPAR_col_addr_cnt - 1) -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) #define MSCC_MEMPARM_PERIOD \ ICPU_MEMCTRL_REF_PERIOD_MAX_PEND_REF(8) | \ ICPU_MEMCTRL_REF_PERIOD_REF_PERIOD(VC3_MPAR_tREFI) @@ -378,7 +378,7 @@ static inline void memphy_soft_reset(void) PAUSE(); } -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) static u8 training_data[] = { 0xfe, 0x11, 0x33, 0x55, 0x77, 0x99, 0xbb, 0xdd }; static inline void sleep_100ns(u32 val) @@ -398,6 +398,7 @@ static inline void sleep_100ns(u32 val) ; } +#if defined(CONFIG_SOC_OCELOT) static inline void hal_vcoreiii_ddr_reset_assert(void) { /* DDR has reset pin on GPIO 19 toggle Low-High to release */ @@ -448,6 +449,26 @@ static inline void hal_vcoreiii_ddr_failed(void) panic("DDR init failed\n"); } +#else /* JR2 */ +static inline void hal_vcoreiii_ddr_reset_assert(void) +{ + /* Ensure the memory controller physical iface is forced reset */ + writel(readl(BASE_CFG + ICPU_MEMPHY_CFG) | + ICPU_MEMPHY_CFG_PHY_RST, BASE_CFG + ICPU_MEMPHY_CFG); + + /* Ensure the memory controller is forced reset */ + writel(readl(BASE_CFG + ICPU_RESET) | + ICPU_RESET_MEM_RST_FORCE, BASE_CFG + ICPU_RESET); +} + +static inline void hal_vcoreiii_ddr_failed(void) +{ + writel(0, BASE_CFG + ICPU_RESET); + writel(PERF_SOFT_RST_SOFT_CHIP_RST, BASE_CFG + PERF_SOFT_RST); + + panic("DDR init failed\n"); +} +#endif /* * DDR memory sanity checking done, possibly enable ECC. @@ -738,7 +759,7 @@ static inline void hal_vcoreiii_init_memctl(void) /* Wait for ZCAL to clear */ while (readl(BASE_CFG + ICPU_MEMPHY_ZCAL) & ICPU_MEMPHY_ZCAL_ZCAL_ENA) ; -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) /* Check no ZCAL_ERR */ if (readl(BASE_CFG + ICPU_MEMPHY_ZCAL_STAT) & ICPU_MEMPHY_ZCAL_STAT_ZCAL_ERR) @@ -752,7 +773,7 @@ static inline void hal_vcoreiii_init_memctl(void) writel(MSCC_MEMPARM_MEMCFG, BASE_CFG + ICPU_MEMCTRL_CFG); writel(MSCC_MEMPARM_PERIOD, BASE_CFG + ICPU_MEMCTRL_REF_PERIOD); -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) writel(MSCC_MEMPARM_TIMING0, BASE_CFG + ICPU_MEMCTRL_TIMING0); #else /* Luton */ clrbits_le32(BASE_CFG + ICPU_MEMCTRL_TIMING0, ((1 << 20) - 1)); @@ -767,7 +788,7 @@ static inline void hal_vcoreiii_init_memctl(void) writel(MSCC_MEMPARM_MR2, BASE_CFG + ICPU_MEMCTRL_MR2_VAL); writel(MSCC_MEMPARM_MR3, BASE_CFG + ICPU_MEMCTRL_MR3_VAL); -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) /* Termination setup - enable ODT */ writel(ICPU_MEMCTRL_TERMRES_CTRL_LOCAL_ODT_RD_ENA | /* Assert ODT0 for any write */ @@ -778,6 +799,9 @@ static inline void hal_vcoreiii_init_memctl(void) hal_vcoreiii_ddr_reset_release(); writel(readl(BASE_CFG + ICPU_GPR(7)) + 1, BASE_CFG + ICPU_GPR(7)); +#elif defined(CONFIG_SOC_JR2) + writel(ICPU_MEMCTRL_TERMRES_CTRL_ODT_WR_ENA(3), + BASE_CFG + ICPU_MEMCTRL_TERMRES_CTRL); #else /* Luton */ /* Termination setup - disable ODT */ writel(0, BASE_CFG + ICPU_MEMCTRL_TERMRES_CTRL); @@ -796,7 +820,7 @@ static inline void hal_vcoreiii_wait_memctl(void) /* Settle...? */ sleep_100ns(10000); -#ifdef CONFIG_SOC_OCELOT +#if defined(CONFIG_SOC_OCELOT) || defined(CONFIG_SOC_JR2) /* Establish data contents in DDR RAM for training */ __raw_writel(0xcacafefe, ((void __iomem *)MSCC_DDR_TO)); |