PORSR register holds the cfg_rcw_src field which can be used to identify boot source.
Further, it can be used to select the environment location.
Signed-off-by: Pankit Garg pankit.garg@nxp.com Signed-off-by: Rajesh Bhagat rajesh.bhagat@nxp.com --- Change in v6: None Change in v5: None Change in v4: None Change in v3: None Change in v2: None
arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 190 ++++++++++++++++++ .../asm/arch-fsl-layerscape/immap_lsch2.h | 20 ++ .../asm/arch-fsl-layerscape/immap_lsch3.h | 49 +++++ .../arm/include/asm/arch-fsl-layerscape/soc.h | 17 ++ 4 files changed, 276 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index 901ecb943a..5d88c378b3 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -31,6 +31,10 @@ #include <hwconfig.h> #include <fsl_qbman.h>
+#ifdef CONFIG_TFABOOT +#include <environment.h> +#endif + DECLARE_GLOBAL_DATA_PTR;
static struct cpu_type cpu_type_list[] = { @@ -581,7 +585,193 @@ void enable_caches(void) icache_enable(); dcache_enable(); } +#endif /* CONFIG_SYS_DCACHE_OFF */ + +#ifdef CONFIG_TFABOOT +enum boot_src __get_boot_src(u32 porsr1) +{ + enum boot_src src = BOOT_SOURCE_RESERVED; + uint32_t rcw_src = (porsr1 & RCW_SRC_MASK) >> RCW_SRC_BIT; +#if !defined(CONFIG_FSL_LSCH3_2) + uint32_t val; +#endif + debug("%s: rcw_src 0x%x\n", __func__, rcw_src); + +#if defined(CONFIG_FSL_LSCH3) +#if defined(CONFIG_FSL_LSCH3_2) + switch (rcw_src) { + case RCW_SRC_SDHC1_VAL: + src = BOOT_SOURCE_SD_MMC; + break; + case RCW_SRC_SDHC2_VAL: + src = BOOT_SOURCE_SD_MMC2; + break; + case RCW_SRC_I2C1_VAL: + src = BOOT_SOURCE_I2C1_EXTENDED; + break; + case RCW_SRC_FLEXSPI_NAND2K_VAL: + src = BOOT_SOURCE_XSPI_NAND; + break; + case RCW_SRC_FLEXSPI_NAND4K_VAL: + src = BOOT_SOURCE_XSPI_NAND; + break; + case RCW_SRC_RESERVED_1_VAL: + src = BOOT_SOURCE_RESERVED; + break; + case RCW_SRC_FLEXSPI_NOR_24B: + src = BOOT_SOURCE_XSPI_NOR; + break; + default: + src = BOOT_SOURCE_RESERVED; + } +#else + val = rcw_src & RCW_SRC_TYPE_MASK; + if (val == RCW_SRC_NOR_VAL) { + val = rcw_src & NOR_TYPE_MASK; + + switch (val) { + case NOR_16B_VAL: + case NOR_32B_VAL: + src = BOOT_SOURCE_IFC_NOR; + break; + default: + src = BOOT_SOURCE_RESERVED; + } + } else { + /* RCW SRC Serial Flash */ + val = rcw_src & RCW_SRC_SERIAL_MASK; + switch (val) { + case RCW_SRC_QSPI_VAL: + /* RCW SRC Serial NOR (QSPI) */ + src = BOOT_SOURCE_QSPI_NOR; + break; + case RCW_SRC_SD_CARD_VAL: + /* RCW SRC SD Card */ + src = BOOT_SOURCE_SD_MMC; + break; + case RCW_SRC_EMMC_VAL: + /* RCW SRC EMMC */ + src = BOOT_SOURCE_SD_MMC2; + break; + case RCW_SRC_I2C1_VAL: + /* RCW SRC I2C1 Extended */ + src = BOOT_SOURCE_I2C1_EXTENDED; + break; + default: + src = BOOT_SOURCE_RESERVED; + } + } +#endif +#elif defined(CONFIG_FSL_LSCH2) + /* RCW SRC NAND */ + val = rcw_src & RCW_SRC_NAND_MASK; + if (val == RCW_SRC_NAND_VAL) { + val = rcw_src & NAND_RESERVED_MASK; + if ((val != NAND_RESERVED_1) && (val != NAND_RESERVED_2)) + src = BOOT_SOURCE_IFC_NAND; + + } else { + /* RCW SRC NOR */ + val = rcw_src & RCW_SRC_NOR_MASK; + if (val == NOR_8B_VAL || val == NOR_16B_VAL) { + src = BOOT_SOURCE_IFC_NOR; + } else { + switch (rcw_src) { + case QSPI_VAL1: + case QSPI_VAL2: + src = BOOT_SOURCE_QSPI_NOR; + break; + case SD_VAL: + src = BOOT_SOURCE_SD_MMC; + break; + default: + src = BOOT_SOURCE_RESERVED; + } + } + } #endif + debug("%s: src 0x%x\n", __func__, src); + return src; +} + +enum boot_src get_boot_src(void) +{ + u32 porsr1; + +#if defined(CONFIG_FSL_LSCH3) + u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE; + + porsr1 = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4); +#elif defined(CONFIG_FSL_LSCH2) + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + + porsr1 = in_be32(&gur->porsr1); +#endif + debug("%s: porsr1 0x%x\n", __func__, porsr1); + + return __get_boot_src(porsr1); +} + +#ifdef CONFIG_ENV_IS_IN_MMC +int mmc_get_env_dev(void) +{ + enum boot_src src = get_boot_src(); + int dev = CONFIG_SYS_MMC_ENV_DEV; + + switch (src) { + case BOOT_SOURCE_SD_MMC: + dev = 0; + break; + case BOOT_SOURCE_SD_MMC2: + dev = 1; + break; + default: + break; + } + + return dev; +} +#endif + +enum env_location env_get_location(enum env_operation op, int prio) +{ + enum boot_src src = get_boot_src(); + enum env_location env_loc = ENVL_NOWHERE; + + if (prio) + return ENVL_UNKNOWN; + + switch (src) { + case BOOT_SOURCE_IFC_NOR: + env_loc = ENVL_FLASH; + break; + case BOOT_SOURCE_QSPI_NOR: + /* FALLTHROUGH */ + case BOOT_SOURCE_XSPI_NOR: + env_loc = ENVL_SPI_FLASH; + break; + case BOOT_SOURCE_IFC_NAND: + /* FALLTHROUGH */ + case BOOT_SOURCE_QSPI_NAND: + /* FALLTHROUGH */ + case BOOT_SOURCE_XSPI_NAND: + env_loc = ENVL_NAND; + break; + case BOOT_SOURCE_SD_MMC: + /* FALLTHROUGH */ + case BOOT_SOURCE_SD_MMC2: + env_loc = ENVL_MMC; + break; + case BOOT_SOURCE_I2C1_EXTENDED: + /* FALLTHROUGH */ + default: + break; + } + + + return env_loc; +} +#endif /* CONFIG_TFABOOT */
u32 initiator_type(u32 cluster, int init_id) { diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h index 8c10526a6c..4d0f16f21c 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h @@ -677,6 +677,26 @@ struct ccsr_gpio { #define SCR0_CLIENTPD_MASK 0x00000001 #define SCR0_USFCFG_MASK 0x00000400
+#ifdef CONFIG_TFABOOT +#define RCW_SRC_MASK (0xFF800000) +#define RCW_SRC_BIT 23 + +/* RCW SRC NAND */ +#define RCW_SRC_NAND_MASK (0x100) +#define RCW_SRC_NAND_VAL (0x100) +#define NAND_RESERVED_MASK (0xFC) +#define NAND_RESERVED_1 (0x0) +#define NAND_RESERVED_2 (0x80) + +/* RCW SRC NOR */ +#define RCW_SRC_NOR_MASK (0x1F0) +#define NOR_8B_VAL (0x10) +#define NOR_16B_VAL (0x20) +#define SD_VAL (0x40) +#define QSPI_VAL1 (0x44) +#define QSPI_VAL2 (0x45) +#endif + uint get_svr(void);
#endif /* __ARCH_FSL_LSCH2_IMMAP_H__*/ diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h index b0cec74db0..8ddff55dac 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h @@ -82,6 +82,55 @@ #define CONFIG_SYS_FSL_JR0_ADDR \ (CONFIG_SYS_IMMR + CONFIG_SYS_FSL_JR0_OFFSET)
+#ifdef CONFIG_TFABOOT +#ifdef CONFIG_FSL_LSCH3_2 +/* RCW_SRC field in Power-On Reset Control Register 1 */ +#define RCW_SRC_MASK 0x07800000 +#define RCW_SRC_BIT 23 + +/* CFG_RCW_SRC[3:0] */ +#define RCW_SRC_TYPE_MASK 0x8 +#define RCW_SRC_ADDR_OFFSET_8MB 0x800000 + +/* RCW SRC HARDCODED */ +#define RCW_SRC_HARDCODED_VAL 0x0 /* 0x00 - 0x07 */ + +#define RCW_SRC_SDHC1_VAL 0x8 /* 0x8 */ +#define RCW_SRC_SDHC2_VAL 0x9 /* 0x9 */ +#define RCW_SRC_I2C1_VAL 0xa /* 0xa */ +#define RCW_SRC_RESERVED_UART_VAL 0xb /* 0xb */ +#define RCW_SRC_FLEXSPI_NAND2K_VAL 0xc /* 0xc */ +#define RCW_SRC_FLEXSPI_NAND4K_VAL 0xd /* 0xd */ +#define RCW_SRC_RESERVED_1_VAL 0xe /* 0xe */ +#define RCW_SRC_FLEXSPI_NOR_24B 0xf /* 0xf */ +#else +#define RCW_SRC_MASK (0xFF800000) +#define RCW_SRC_BIT 23 +/* CFG_RCW_SRC[6:0] */ +#define RCW_SRC_TYPE_MASK (0x70) + +/* RCW SRC HARDCODED */ +#define RCW_SRC_HARDCODED_VAL (0x10) /* 0x10 - 0x1f */ +/* Hardcoded will also have CFG_RCW_SRC[7] as 1. 0x90 - 0x9f */ + +/* RCW SRC NOR */ +#define RCW_SRC_NOR_VAL (0x20) +#define NOR_TYPE_MASK (0x10) +#define NOR_16B_VAL (0x0) /* 0x20 - 0x2f */ +#define NOR_32B_VAL (0x10) /* 0x30 - 0x3f */ + +/* RCW SRC Serial Flash + * 1. SERIAL NOR (QSPI) + * 2. OTHERS (SD/MMC, SPI, I2C1 + */ +#define RCW_SRC_SERIAL_MASK (0x7F) +#define RCW_SRC_QSPI_VAL (0x62) /* 0x62 */ +#define RCW_SRC_SD_CARD_VAL (0x40) /* 0x40 */ +#define RCW_SRC_EMMC_VAL (0x41) /* 0x41 */ +#define RCW_SRC_I2C1_VAL (0x49) /* 0x49 */ +#endif +#endif + /* Security Monitor */ #define CONFIG_SYS_SEC_MON_ADDR (CONFIG_SYS_IMMR + 0x00e90000)
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/soc.h b/arch/arm/include/asm/arch-fsl-layerscape/soc.h index 61b6e4bf07..d327c7ba1f 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/soc.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/soc.h @@ -53,6 +53,23 @@ struct cpu_type {
#define CPU_TYPE_ENTRY(n, v, nc) \ { .name = #n, .soc_ver = SVR_##v, .num_cores = (nc)} + +#ifdef CONFIG_TFABOOT +enum boot_src { + BOOT_SOURCE_RESERVED = 0, + BOOT_SOURCE_IFC_NOR, + BOOT_SOURCE_IFC_NAND, + BOOT_SOURCE_QSPI_NOR, + BOOT_SOURCE_QSPI_NAND, + BOOT_SOURCE_XSPI_NOR, + BOOT_SOURCE_XSPI_NAND, + BOOT_SOURCE_SD_MMC, + BOOT_SOURCE_SD_MMC2, + BOOT_SOURCE_I2C1_EXTENDED, +}; + +enum boot_src get_boot_src(void); +#endif #endif #define SVR_WO_E 0xFFFFFE #define SVR_LS1012A 0x870400