[U-Boot] [PATCH v2 09/33] armv8: fsl-layerscape: identify boot source from PORSR register
Rajesh Bhagat
rajesh.bhagat at nxp.com
Sun Oct 7 10:21:07 UTC 2018
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 at nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat at nxp.com>
---
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 6304825180..f72e23e0de 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[] = {
@@ -579,7 +583,193 @@ 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 be0a6ae363..16528911d7 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
@@ -675,6 +675,26 @@ 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..816d960b2f 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
--
2.17.1
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