diff options
| -rw-r--r-- | arch/arm/cpu/tegra-common/board.c | 64 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra114/mc.h | 37 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra114/tegra.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra20/mc.h | 36 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra20/tegra.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra30/mc.h | 38 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra30/tegra.h | 1 |
7 files changed, 127 insertions, 51 deletions
diff --git a/arch/arm/cpu/tegra-common/board.c b/arch/arm/cpu/tegra-common/board.c index 433da09..b6a84a5 100644 --- a/arch/arm/cpu/tegra-common/board.c +++ b/arch/arm/cpu/tegra-common/board.c @@ -9,6 +9,7 @@ #include <asm/io.h> #include <asm/arch/clock.h> #include <asm/arch/funcmux.h> +#include <asm/arch/mc.h> #include <asm/arch/tegra.h> #include <asm/arch-tegra/board.h> #include <asm/arch-tegra/pmc.h> @@ -27,55 +28,6 @@ enum { UART_COUNT = 5, }; -#if defined(CONFIG_TEGRA20) || defined(CONFIG_TEGRA30) || \ - defined(CONFIG_TEGRA114) -/* - * Boot ROM initializes the odmdata in APBDEV_PMC_SCRATCH20_0, - * so we are using this value to identify memory size. - */ -unsigned int query_sdram_size(void) -{ - struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE; - u32 reg; - - reg = readl(&pmc->pmc_scratch20); - debug("pmc->pmc_scratch20 (ODMData) = 0x%08x\n", reg); - -#if defined(CONFIG_TEGRA20) - /* bits 30:28 in OdmData are used for RAM size on T20 */ - reg &= 0x70000000; - - switch ((reg) >> 28) { - case 1: - return 0x10000000; /* 256 MB */ - case 0: - case 2: - default: - return 0x20000000; /* 512 MB */ - case 3: - return 0x40000000; /* 1GB */ - } -#else /* Tegra30/Tegra114 */ - /* bits 31:28 in OdmData are used for RAM size on T30 */ - switch ((reg) >> 28) { - case 0: - case 1: - default: - return 0x10000000; /* 256 MB */ - case 2: - return 0x20000000; /* 512 MB */ - case 3: - return 0x30000000; /* 768 MB */ - case 4: - return 0x40000000; /* 1GB */ - case 8: - return 0x7ff00000; /* 2GB - 1MB */ - } -#endif -} -#else -#include <asm/arch/mc.h> - /* Read the RAM size directly from the memory controller */ unsigned int query_sdram_size(void) { @@ -83,12 +35,22 @@ unsigned int query_sdram_size(void) u32 size_mb; size_mb = readl(&mc->mc_emem_cfg); +#if defined(CONFIG_TEGRA20) + debug("mc->mc_emem_cfg (MEM_SIZE_KB) = 0x%08x\n", size_mb); + size_mb = get_ram_size((void *)PHYS_SDRAM_1, size_mb * 1024); +#else debug("mc->mc_emem_cfg (MEM_SIZE_MB) = 0x%08x\n", size_mb); + size_mb = get_ram_size((void *)PHYS_SDRAM_1, size_mb * 1024 * 1024); +#endif - return size_mb * 1024 * 1024; -} +#if defined(CONFIG_TEGRA30) || defined(CONFIG_TEGRA114) + /* External memory limited to 2047 MB due to IROM/HI-VEC */ + if (size_mb == SZ_2G) size_mb -= SZ_1M; #endif + return size_mb; +} + int dram_init(void) { /* We do not initialise DRAM here. We just query the size */ diff --git a/arch/arm/include/asm/arch-tegra114/mc.h b/arch/arm/include/asm/arch-tegra114/mc.h new file mode 100644 index 0000000..044b1e0 --- /dev/null +++ b/arch/arm/include/asm/arch-tegra114/mc.h @@ -0,0 +1,37 @@ +/* + * (C) Copyright 2014 + * NVIDIA Corporation <www.nvidia.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _TEGRA114_MC_H_ +#define _TEGRA114_MC_H_ + +/** + * Defines the memory controller registers we need/care about + */ +struct mc_ctlr { + u32 reserved0[4]; /* offset 0x00 - 0x0C */ + u32 mc_smmu_config; /* offset 0x10 */ + u32 mc_smmu_tlb_config; /* offset 0x14 */ + u32 mc_smmu_ptc_config; /* offset 0x18 */ + u32 mc_smmu_ptb_asid; /* offset 0x1C */ + u32 mc_smmu_ptb_data; /* offset 0x20 */ + u32 reserved1[3]; /* offset 0x24 - 0x2C */ + u32 mc_smmu_tlb_flush; /* offset 0x30 */ + u32 mc_smmu_ptc_flush; /* offset 0x34 */ + u32 reserved2[6]; /* offset 0x38 - 0x4C */ + u32 mc_emem_cfg; /* offset 0x50 */ + u32 mc_emem_adr_cfg; /* offset 0x54 */ + u32 mc_emem_adr_cfg_dev0; /* offset 0x58 */ + u32 mc_emem_adr_cfg_dev1; /* offset 0x5C */ + u32 reserved3[12]; /* offset 0x60 - 0x8C */ + u32 mc_emem_arb_reserved[28]; /* offset 0x90 - 0xFC */ + u32 reserved4[338]; /* offset 0x100 - 0x644 */ + u32 mc_video_protect_bom; /* offset 0x648 */ + u32 mc_video_protect_size_mb; /* offset 0x64c */ + u32 mc_video_protect_reg_ctrl; /* offset 0x650 */ +}; + +#endif /* _TEGRA114_MC_H_ */ diff --git a/arch/arm/include/asm/arch-tegra114/tegra.h b/arch/arm/include/asm/arch-tegra114/tegra.h index 5d426b5..c3d061e 100644 --- a/arch/arm/include/asm/arch-tegra114/tegra.h +++ b/arch/arm/include/asm/arch-tegra114/tegra.h @@ -19,6 +19,7 @@ #define NV_PA_SDRAM_BASE 0x80000000 /* 0x80000000 for real T114 */ #define NV_PA_TSC_BASE 0x700F0000 /* System Counter TSC regs */ +#define NV_PA_MC_BASE 0x70019000 #include <asm/arch-tegra/tegra.h> diff --git a/arch/arm/include/asm/arch-tegra20/mc.h b/arch/arm/include/asm/arch-tegra20/mc.h new file mode 100644 index 0000000..9c6e3ff --- /dev/null +++ b/arch/arm/include/asm/arch-tegra20/mc.h @@ -0,0 +1,36 @@ +/* + * (C) Copyright 2014 + * NVIDIA Corporation <www.nvidia.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _TEGRA20_MC_H_ +#define _TEGRA20_MC_H_ + +/** + * Defines the memory controller registers we need/care about + */ +struct mc_ctlr { + u32 reserved0[3]; /* offset 0x00 - 0x08 */ + u32 mc_emem_cfg; /* offset 0x0C */ + u32 mc_emem_adr_cfg; /* offset 0x10 */ + u32 mc_emem_arb_cfg0; /* offset 0x14 */ + u32 mc_emem_arb_cfg1; /* offset 0x18 */ + u32 mc_emem_arb_cfg2; /* offset 0x1C */ + u32 reserved1; /* offset 0x20 */ + u32 mc_gart_cfg; /* offset 0x24 */ + u32 mc_gart_entry_addr; /* offset 0x28 */ + u32 mc_gart_entry_data; /* offset 0x2C */ + u32 mc_gart_error_req; /* offset 0x30 */ + u32 mc_gart_error_addr; /* offset 0x34 */ + u32 reserved2; /* offset 0x38 */ + u32 mc_timeout_ctrl; /* offset 0x3C */ + u32 reserved3[6]; /* offset 0x40 - 0x54 */ + u32 mc_decerr_emem_others_status; /* offset 0x58 */ + u32 mc_decerr_emem_others_adr; /* offset 0x5C */ + u32 reserved4[40]; /* offset 0x60 - 0xFC */ + u32 reserved5[93]; /* offset 0x100 - 0x270 */ +}; + +#endif /* _TEGRA20_MC_H_ */ diff --git a/arch/arm/include/asm/arch-tegra20/tegra.h b/arch/arm/include/asm/arch-tegra20/tegra.h index 18856ac..22774ab 100644 --- a/arch/arm/include/asm/arch-tegra20/tegra.h +++ b/arch/arm/include/asm/arch-tegra20/tegra.h @@ -9,6 +9,7 @@ #define _TEGRA20_H_ #define NV_PA_SDRAM_BASE 0x00000000 +#define NV_PA_MC_BASE 0x7000F000 #include <asm/arch-tegra/tegra.h> diff --git a/arch/arm/include/asm/arch-tegra30/mc.h b/arch/arm/include/asm/arch-tegra30/mc.h new file mode 100644 index 0000000..242a1fc --- /dev/null +++ b/arch/arm/include/asm/arch-tegra30/mc.h @@ -0,0 +1,38 @@ +/* + * (C) Copyright 2014 + * NVIDIA Corporation <www.nvidia.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _TEGRA30_MC_H_ +#define _TEGRA30_MC_H_ + +/** + * Defines the memory controller registers we need/care about + */ +struct mc_ctlr { + u32 reserved0[4]; /* offset 0x00 - 0x0C */ + u32 mc_smmu_config; /* offset 0x10 */ + u32 mc_smmu_tlb_config; /* offset 0x14 */ + u32 mc_smmu_ptc_config; /* offset 0x18 */ + u32 mc_smmu_ptb_asid; /* offset 0x1C */ + u32 mc_smmu_ptb_data; /* offset 0x20 */ + u32 reserved1[3]; /* offset 0x24 - 0x2C */ + u32 mc_smmu_tlb_flush; /* offset 0x30 */ + u32 mc_smmu_ptc_flush; /* offset 0x34 */ + u32 mc_smmu_asid_security; /* offset 0x38 */ + u32 reserved2[5]; /* offset 0x3C - 0x4C */ + u32 mc_emem_cfg; /* offset 0x50 */ + u32 mc_emem_adr_cfg; /* offset 0x54 */ + u32 mc_emem_adr_cfg_dev0; /* offset 0x58 */ + u32 mc_emem_adr_cfg_dev1; /* offset 0x5C */ + u32 reserved3[12]; /* offset 0x60 - 0x8C */ + u32 mc_emem_arb_reserved[28]; /* offset 0x90 - 0xFC */ + u32 reserved4[338]; /* offset 0x100 - 0x644 */ + u32 mc_video_protect_bom; /* offset 0x648 */ + u32 mc_video_protect_size_mb; /* offset 0x64c */ + u32 mc_video_protect_reg_ctrl; /* offset 0x650 */ +}; + +#endif /* _TEGRA30_MC_H_ */ diff --git a/arch/arm/include/asm/arch-tegra30/tegra.h b/arch/arm/include/asm/arch-tegra30/tegra.h index c02c5d8..9367179 100644 --- a/arch/arm/include/asm/arch-tegra30/tegra.h +++ b/arch/arm/include/asm/arch-tegra30/tegra.h @@ -17,6 +17,7 @@ #ifndef _TEGRA30_H_ #define _TEGRA30_H_ +#define NV_PA_MC_BASE 0x7000F000 #define NV_PA_SDRAM_BASE 0x80000000 /* 0x80000000 for real T30 */ #include <asm/arch-tegra/tegra.h> |