From faed6bde11e11156fd8ca0f60edebcfb10b5a7ff Mon Sep 17 00:00:00 2001 From: Santan Kumar Date: Fri, 5 May 2017 15:42:28 +0530 Subject: armv8: ls2080a: Reorganise NAND_BOOT code in config flag Add CONFIG_NAND_BOOT config flag to organise NAND_BOOT specific code in config flag like -nand-boot specfic errata errata_rcw_src() -CONFIG_SYS_NAND_U_BOOT_DST,etc Signed-off-by: Santan Kumar Signed-off-by: Priyanka Jain Signed-off-by: Abhimanyu Saini Reviewed-by: York Sun --- arch/arm/cpu/armv8/fsl-layerscape/soc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm') diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 9e3cdd78af5..76e3af0d561 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -134,7 +134,7 @@ void erratum_a009635(void) static void erratum_rcw_src(void) { -#if defined(CONFIG_SPL) +#if defined(CONFIG_SPL) && defined(CONFIG_NAND_BOOT) u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE; u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE; u32 val; -- cgit v1.2.3 From 1f55a93802ab1522e4f479d1d2730158e26b3567 Mon Sep 17 00:00:00 2001 From: Santan Kumar Date: Fri, 5 May 2017 15:42:29 +0530 Subject: armv8: ls2080aqds: Add support for SD boot Signed-off-by: Santan Kumar Signed-off-by: Priyanka Jain Signed-off-by: Abhimanyu Saini Reviewed-by: York Sun --- arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 6 +-- .../cpu/armv8/fsl-layerscape/fsl_lsch3_serdes.c | 6 +-- board/freescale/ls2080a/ls2080a.c | 6 +-- board/freescale/ls2080aqds/MAINTAINERS | 1 + board/freescale/ls2080aqds/README | 13 +++++ board/freescale/ls2080aqds/eth.c | 4 +- board/freescale/ls2080aqds/ls2080aqds.c | 4 +- configs/ls2080aqds_sdcard_defconfig | 56 ++++++++++++++++++++++ include/configs/ls2080a_common.h | 7 +++ include/configs/ls2080aqds.h | 25 +++++++++- 10 files changed, 114 insertions(+), 14 deletions(-) create mode 100644 configs/ls2080aqds_sdcard_defconfig (limited to 'arch/arm') diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index cba0095e6a1..c4bb31156b4 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -464,7 +464,7 @@ int cpu_eth_init(bd_t *bis) { int error = 0; -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) error = fsl_mc_ldpaa_init(bis); #endif #ifdef CONFIG_FMAN_ENET @@ -608,7 +608,7 @@ phys_size_t board_reserve_ram_top(phys_size_t ram_size) { phys_size_t ram_top = ram_size; -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) /* The start address of MC reserved memory needs to be aligned. */ ram_top -= mc_get_dram_block_size(); ram_top &= ~(CONFIG_SYS_MC_RSV_MEM_ALIGN - 1); @@ -723,7 +723,7 @@ int dram_init_banksize(void) } #endif /* CONFIG_SYS_MEM_RESERVE_SECURE */ -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) /* Assign memory for MC */ #ifdef CONFIG_SYS_DDR_BLOCK3_BASE if (gd->bd->bi_dram[2].size >= diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_serdes.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_serdes.c index 955e0b74785..ef97556367c 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_serdes.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_serdes.c @@ -18,7 +18,7 @@ static u8 serdes1_prtcl_map[SERDES_PRCTL_COUNT]; static u8 serdes2_prtcl_map[SERDES_PRCTL_COUNT]; #endif -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) int xfi_dpmac[XFI8 + 1]; int sgmii_dpmac[SGMII16 + 1]; #endif @@ -110,7 +110,7 @@ void serdes_init(u32 sd, u32 sd_addr, u32 rcwsr, u32 sd_prctl_mask, debug("Unknown SerDes lane protocol %d\n", lane_prtcl); else { serdes_prtcl_map[lane_prtcl] = 1; -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) switch (lane_prtcl) { case QSGMII_A: case QSGMII_B: @@ -141,7 +141,7 @@ void serdes_init(u32 sd, u32 sd_addr, u32 rcwsr, u32 sd_prctl_mask, void fsl_serdes_init(void) { -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) int i , j; for (i = XFI1, j = 1; i <= XFI8; i++, j++) diff --git a/board/freescale/ls2080a/ls2080a.c b/board/freescale/ls2080a/ls2080a.c index ecf4bd67ed3..41417e9dc69 100644 --- a/board/freescale/ls2080a/ls2080a.c +++ b/board/freescale/ls2080a/ls2080a.c @@ -64,13 +64,13 @@ int board_eth_init(bd_t *bis) error = smc91111_initialize(0, CONFIG_SMC91111_BASE); #endif -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) error = cpu_eth_init(bis); #endif return error; } -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) void fdt_fixup_board_enet(void *fdt) { int offset; @@ -128,7 +128,7 @@ int ft_board_setup(void *blob, bd_t *bd) fdt_fixup_memory_banks(blob, base, size, 2); -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) fdt_fixup_board_enet(blob); #endif diff --git a/board/freescale/ls2080aqds/MAINTAINERS b/board/freescale/ls2080aqds/MAINTAINERS index 79877d77742..62c8fac09c6 100644 --- a/board/freescale/ls2080aqds/MAINTAINERS +++ b/board/freescale/ls2080aqds/MAINTAINERS @@ -7,6 +7,7 @@ F: include/configs/ls2080aqds.h F: configs/ls2080aqds_defconfig F: configs/ls2080aqds_nand_defconfig F: configs/ls2080aqds_qspi_defconfig +F: configs/ls2080aqds_sdcard_defconfig LS2080A_SECURE_BOOT BOARD M: Saksham Jain diff --git a/board/freescale/ls2080aqds/README b/board/freescale/ls2080aqds/README index cad860eac20..8e31e9e41e3 100644 --- a/board/freescale/ls2080aqds/README +++ b/board/freescale/ls2080aqds/README @@ -102,6 +102,19 @@ DPAA2 DPL 0x00D00000 DPAA2 DPC 0x00E00000 Kernel.itb 0x01000000 +Memory map for SD boot +------------------------- +Image Flash Offset SD Card + Start Block No. +RCW+PBI 0x00000000 0x00008 +Boot firmware (U-Boot) 0x00100000 0x00800 +Boot firmware Environment 0x00300000 0x01800 +PPA firmware 0x00400000 0x02000 +DPAA2 MC 0x00A00000 0x05000 +DPAA2 DPL 0x00D00000 0x06800 +DPAA2 DPC 0x00E00000 0x07000 +Kernel.itb 0x01000000 0x08000 + Environment Variables --------------------- - mcboottimeout: MC boot timeout in milliseconds. If this variable is not defined diff --git a/board/freescale/ls2080aqds/eth.c b/board/freescale/ls2080aqds/eth.c index 8c44aacdba3..defcac52634 100644 --- a/board/freescale/ls2080aqds/eth.c +++ b/board/freescale/ls2080aqds/eth.c @@ -23,7 +23,7 @@ #define MC_BOOT_ENV_VAR "mcinitcmd" -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) /* - In LS2080A there are only 16 SERDES lanes, spread across 2 SERDES banks. * Bank 1 -> Lanes A, B, C, D, E, F, G, H * Bank 2 -> Lanes A,B, C, D, E, F, G, H @@ -835,7 +835,7 @@ void ls2080a_handle_phy_interface_xsgmii(int i) int board_eth_init(bd_t *bis) { int error; -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) & FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK) diff --git a/board/freescale/ls2080aqds/ls2080aqds.c b/board/freescale/ls2080aqds/ls2080aqds.c index 6da9c6cfe83..f36fb9810bd 100644 --- a/board/freescale/ls2080aqds/ls2080aqds.c +++ b/board/freescale/ls2080aqds/ls2080aqds.c @@ -280,7 +280,7 @@ int arch_misc_init(void) } #endif -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) void fdt_fixup_board_enet(void *fdt) { int offset; @@ -336,7 +336,7 @@ int ft_board_setup(void *blob, bd_t *bd) fsl_fdt_fixup_dr_usb(blob, bd); -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) fdt_fixup_board_enet(blob); #endif diff --git a/configs/ls2080aqds_sdcard_defconfig b/configs/ls2080aqds_sdcard_defconfig new file mode 100644 index 00000000000..a6d2f813b11 --- /dev/null +++ b/configs/ls2080aqds_sdcard_defconfig @@ -0,0 +1,56 @@ +CONFIG_ARM=y +CONFIG_TARGET_LS2080AQDS=y +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_SPL_I2C_SUPPORT=y +CONFIG_SPL_SERIAL_SUPPORT=y +CONFIG_SPL_ENV_SUPPORT=y +CONFIG_SPL_DRIVERS_MISC_SUPPORT=y +CONFIG_DEFAULT_DEVICE_TREE="fsl-ls2080a-qds" +CONFIG_FIT=y +CONFIG_FIT_VERBOSE=y +CONFIG_OF_BOARD_SETUP=y +CONFIG_OF_STDOUT_VIA_ALIAS=y +CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4" +CONFIG_SD_BOOT=y +CONFIG_BOOTDELAY=10 +CONFIG_SPL=y +CONFIG_FSL_LS_PPA=y +CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y +CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x8b0 +CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT=y +CONFIG_HUSH_PARSER=y +CONFIG_CMD_GREPENV=y +CONFIG_CMD_MMC=y +CONFIG_CMD_SF=y +CONFIG_CMD_I2C=y +CONFIG_SPL_MMC_SUPPORT=y +CONFIG_CMD_USB=y +# CONFIG_CMD_SETEXPR is not set +CONFIG_CMD_DHCP=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_DATE=y +CONFIG_CMD_EXT2=y +CONFIG_CMD_FAT=y +CONFIG_OF_CONTROL=y +CONFIG_OF_EMBED=y +CONFIG_NET_RANDOM_ETHADDR=y +CONFIG_DM=y +CONFIG_DM_SPI_FLASH=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_SYS_NS16550=y +CONFIG_DM_SPI=y +CONFIG_FSL_QSPI=y +CONFIG_USB=y +CONFIG_DM_USB=y +CONFIG_USB_XHCI_HCD=y +CONFIG_USB_XHCI_DWC3=y +CONFIG_USB_STORAGE=y +CONFIG_EFI_LOADER_BOUNCE_BUFFER=y diff --git a/include/configs/ls2080a_common.h b/include/configs/ls2080a_common.h index 43c5fef9b99..e311d0b149b 100644 --- a/include/configs/ls2080a_common.h +++ b/include/configs/ls2080a_common.h @@ -208,9 +208,16 @@ unsigned long long get_qixis_addr(void); "earlycon=uart8250,mmio,0x21c0500 " \ "ramdisk_size=0x2000000 default_hugepagesz=2m" \ " hugepagesz=2m hugepages=256" +#ifdef CONFIG_SD_BOOT +#define CONFIG_BOOTCOMMAND "mmc read 0x80200000 0x6800 0x800;"\ + " fsl_mc apply dpl 0x80200000 &&" \ + " mmc read $kernel_load $kernel_start" \ + " $kernel_size && bootm $kernel_load" +#else #define CONFIG_BOOTCOMMAND "fsl_mc apply dpl 0x580d00000 &&" \ " cp.b $kernel_start $kernel_load" \ " $kernel_size && bootm $kernel_load" +#endif /* Monitor Command Prompt */ #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */ diff --git a/include/configs/ls2080aqds.h b/include/configs/ls2080aqds.h index e6ebec50ba8..8a8ee9d351f 100644 --- a/include/configs/ls2080aqds.h +++ b/include/configs/ls2080aqds.h @@ -166,12 +166,14 @@ unsigned long get_board_ddr_clk(void); #define QIXIS_LBMAP_DFLTBANK 0x00 #define QIXIS_LBMAP_ALTBANK 0x04 #define QIXIS_LBMAP_NAND 0x09 +#define QIXIS_LBMAP_SD 0x00 #define QIXIS_LBMAP_QSPI 0x0f #define QIXIS_RST_CTL_RESET 0x31 #define QIXIS_RCFG_CTL_RECONFIG_IDLE 0x20 #define QIXIS_RCFG_CTL_RECONFIG_START 0x21 #define QIXIS_RCFG_CTL_WATCHDOG_ENBLE 0x08 #define QIXIS_RCW_SRC_NAND 0x107 +#define QIXIS_RCW_SRC_SD 0x40 #define QIXIS_RCW_SRC_QSPI 0x62 #define QIXIS_RST_FORCE_MEM 0x01 @@ -235,6 +237,11 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SPL_PAD_TO 0x20000 #define CONFIG_SYS_NAND_U_BOOT_OFFS (256 * 1024) #define CONFIG_SYS_NAND_U_BOOT_SIZE (640 * 1024) +#elif defined(CONFIG_SD_BOOT) +#define CONFIG_ENV_OFFSET 0x200000 +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_SYS_MMC_ENV_DEV 0 +#define CONFIG_ENV_SIZE 0x20000 #endif #else #define CONFIG_SYS_CSPR0_EXT CONFIG_SYS_NOR0_CSPR_EXT @@ -368,6 +375,22 @@ unsigned long get_board_ddr_clk(void); "esbc_validate 0x580740000;" \ "fsl_mc start mc 0x580a00000" \ " 0x580e00000 \0" +#elif defined(CONFIG_SD_BOOT) +#define CONFIG_EXTRA_ENV_SETTINGS \ + "hwconfig=fsl_ddr:bank_intlv=auto\0" \ + "loadaddr=0x90100000\0" \ + "kernel_addr=0x800\0" \ + "ramdisk_addr=0x800000\0" \ + "ramdisk_size=0x2000000\0" \ + "fdt_high=0xa0000000\0" \ + "initrd_high=0xffffffffffffffff\0" \ + "kernel_start=0x8000\0" \ + "kernel_load=0xa0000000\0" \ + "kernel_size=0x14000\0" \ + "mcinitcmd=mmcinfo;mmc read 0x80000000 0x5000 0x800;" \ + "mmc read 0x80100000 0x7000 0x800;" \ + "fsl_mc start mc 0x80000000 0x80100000\0" \ + "mcmemsize=0x70000000 \0" #else #define CONFIG_EXTRA_ENV_SETTINGS \ "hwconfig=fsl_ddr:bank_intlv=auto\0" \ @@ -386,7 +409,7 @@ unsigned long get_board_ddr_clk(void); #endif /* CONFIG_SECURE_BOOT */ -#ifdef CONFIG_FSL_MC_ENET +#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD) #define CONFIG_FSL_MEMAC #define CONFIG_PHYLIB #define CONFIG_PHYLIB_10G -- cgit v1.2.3 From 399e2bb60cb76131c49446baf350697142af7c07 Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 15 May 2017 08:51:59 -0700 Subject: armv8: layerscape: Make U-Boot EL2 safe When U-Boot boots from EL2, skip some lowlevel init code requiring EL3, including CCI-400/CCN-504, trust zone, GIC, etc. These initialization tasks are carried out before U-Boot runs. This applies to the RAM version image used for SPL boot if PPA is loaded first. Signed-off-by: York Sun --- arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 11 ++++++++++- arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S | 16 +++++++++++++++- arch/arm/cpu/armv8/fsl-layerscape/ppa.c | 7 +++++++ arch/arm/cpu/armv8/fsl-layerscape/soc.c | 14 ++++++++++++-- arch/arm/cpu/armv8/sec_firmware.c | 2 +- arch/arm/cpu/armv8/start.S | 3 +++ board/freescale/common/ns_access.c | 5 ++++- 7 files changed, 52 insertions(+), 6 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index c4bb31156b4..cb3a52c711b 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -244,6 +244,14 @@ u64 get_page_table_size(void) int arch_cpu_init(void) { + /* + * This function is called before U-Boot relocates itself to speed up + * on system running. It is not necessary to run if performance is not + * critical. Skip if MMU is already enabled by SPL or other means. + */ + if (get_sctlr() & CR_M) + return 0; + icache_enable(); __asm_invalidate_dcache_all(); __asm_invalidate_tlb_all(); @@ -530,7 +538,8 @@ int timer_init(void) unsigned long cntfrq = COUNTER_FREQUENCY_REAL; /* Update with accurate clock frequency */ - asm volatile("msr cntfrq_el0, %0" : : "r" (cntfrq) : "memory"); + if (current_el() == 3) + asm volatile("msr cntfrq_el0, %0" : : "r" (cntfrq) : "memory"); #endif #ifdef CONFIG_FSL_LSCH3 diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S index f4273561040..619d9b7a0ed 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S +++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S @@ -73,6 +73,9 @@ ENDPROC(smp_kick_all_cpus) ENTRY(lowlevel_init) mov x29, lr /* Save LR */ + switch_el x1, 1f, 100f, 100f /* skip if not in EL3 */ +1: + #ifdef CONFIG_FSL_LSCH3 /* Set Wuo bit for RN-I 20 */ @@ -193,6 +196,7 @@ ENTRY(lowlevel_init) #endif #endif +100: branch_if_master x0, x1, 2f #if defined(CONFIG_MP) && defined(CONFIG_ARMV8_MULTIENTRY) @@ -201,6 +205,8 @@ ENTRY(lowlevel_init) #endif 2: + switch_el x1, 1f, 100f, 100f /* skip if not in EL3 */ +1: #ifdef CONFIG_FSL_TZPC_BP147 /* Set Non Secure access for all devices protected via TZPC */ ldr x1, =TZPCDECPROT_0_SET_BASE /* Decode Protection-0 Set Reg */ @@ -266,8 +272,11 @@ ENTRY(lowlevel_init) isb dsb sy #endif +100: 1: #ifdef CONFIG_ARCH_LS1046A + switch_el x1, 1f, 100f, 100f /* skip if not in EL3 */ +1: /* Initialize the L2 RAM latency */ mrs x1, S3_1_c11_c0_2 mov x0, #0x1C7 @@ -279,6 +288,7 @@ ENTRY(lowlevel_init) orr x1, x1, #0x80 msr S3_1_c11_c0_2, x1 isb +100: #endif #if defined(CONFIG_FSL_LSCH2) && !defined(CONFIG_SPL_BUILD) @@ -379,11 +389,14 @@ ENTRY(__asm_flush_l3_dcache) /* * Return status in x0 * success 0 - * tmeout 1 for setting SFONLY, 2 for FAM, 3 for both + * timeout 1 for setting SFONLY, 2 for FAM, 3 for both */ mov x29, lr mov x8, #0 + switch_el x0, 1f, 100f, 100f /* skip if not in EL3 */ + +1: dsb sy mov x0, #0x1 /* HNFPSTAT_SFONLY */ bl hnf_set_pstate @@ -401,6 +414,7 @@ ENTRY(__asm_flush_l3_dcache) bl hnf_pstate_poll cbz x0, 1f add x8, x8, #0x2 +100: 1: mov x0, x8 mov lr, x29 diff --git a/arch/arm/cpu/armv8/fsl-layerscape/ppa.c b/arch/arm/cpu/armv8/fsl-layerscape/ppa.c index 26c47a183c6..35c612df051 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/ppa.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/ppa.c @@ -32,6 +32,7 @@ DECLARE_GLOBAL_DATA_PTR; int ppa_init(void) { + unsigned int el = current_el(); void *ppa_fit_addr; u32 *boot_loc_ptr_l, *boot_loc_ptr_h; int ret; @@ -45,6 +46,12 @@ int ppa_init(void) #endif #endif + /* Skip if running at lower exception level */ + if (el < 3) { + debug("Skipping PPA init, running at EL%d\n", el); + return 0; + } + #ifdef CONFIG_SYS_LS_PPA_FW_IN_XIP ppa_fit_addr = (void *)CONFIG_SYS_LS_PPA_FW_ADDR; debug("%s: PPA image load from XIP\n", __func__); diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 76e3af0d561..0943e833d74 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -288,6 +288,10 @@ static void erratum_a008850_early(void) struct ccsr_cci400 __iomem *cci = (void *)CONFIG_SYS_CCI400_ADDR; struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; + /* Skip if running at lower exception level */ + if (current_el() < 3) + return; + /* disables propagation of barrier transactions to DDRC from CCI400 */ out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER); @@ -304,6 +308,10 @@ void erratum_a008850_post(void) struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; u32 tmp; + /* Skip if running at lower exception level */ + if (current_el() < 3) + return; + /* enable propagation of barrier transactions to DDRC from CCI400 */ out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); @@ -455,8 +463,10 @@ void fsl_lsch2_early_init_f(void) * Enable snoop requests and DVM message requests for * Slave insterface S4 (A53 core cluster) */ - out_le32(&cci->slave[4].snoop_ctrl, - CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN); + if (current_el() == 3) { + out_le32(&cci->slave[4].snoop_ctrl, + CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN); + } /* Erratum */ erratum_a008850_early(); /* part 1 of 2 */ diff --git a/arch/arm/cpu/armv8/sec_firmware.c b/arch/arm/cpu/armv8/sec_firmware.c index 4afa3ad8b1d..fffce712d38 100644 --- a/arch/arm/cpu/armv8/sec_firmware.c +++ b/arch/arm/cpu/armv8/sec_firmware.c @@ -224,7 +224,7 @@ __weak bool sec_firmware_is_valid(const void *sec_firmware_img) */ unsigned int sec_firmware_support_psci_version(void) { - if (sec_firmware_addr & SEC_FIRMWARE_RUNNING) + if (current_el() == SEC_FIRMWARE_TARGET_EL) return _sec_firmware_support_psci_version(); return PSCI_INVALID_VER; diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S index 354468b9053..5c500be51d1 100644 --- a/arch/arm/cpu/armv8/start.S +++ b/arch/arm/cpu/armv8/start.S @@ -91,9 +91,12 @@ save_boot_params_ret: * this bit should be set for A53/A57/A72. */ #ifdef CONFIG_ARMV8_SET_SMPEN + switch_el x1, 3f, 1f, 1f +3: mrs x0, S3_1_c15_c2_1 /* cpuectlr_el1 */ orr x0, x0, #0x40 msr S3_1_c15_c2_1, x0 +1: #endif /* Apply ARM core specific erratas */ diff --git a/board/freescale/common/ns_access.c b/board/freescale/common/ns_access.c index 81c921122e8..1c2287d22a3 100644 --- a/board/freescale/common/ns_access.c +++ b/board/freescale/common/ns_access.c @@ -39,7 +39,10 @@ static void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num) void enable_layerscape_ns_access(void) { - enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev)); +#ifdef CONFIG_ARM64 + if (current_el() == 3) +#endif + enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev)); } void set_pcie_ns_access(int pcie, u16 val) -- cgit v1.2.3 From 8e59778bec16fa318fcfcc6abba2a88113e5b052 Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 15 May 2017 08:52:00 -0700 Subject: armv8: layerscape: Enabling loading PPA during SPL stage Loading PPA in SPL puts the rest of U-Boot (including RAM version loaded later) in EL2 with MMU and cache enabled. Once PPA is loaded, PSCI is available. Signed-off-by: York Sun --- arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 13 +++++++ arch/arm/cpu/armv8/fsl-layerscape/spl.c | 41 ++++++++++++++++++++++- arch/arm/include/asm/arch-fsl-layerscape/config.h | 1 + 3 files changed, 54 insertions(+), 1 deletion(-) (limited to 'arch/arm') diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index fa386c68962..d8b285dcd73 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -135,6 +135,19 @@ config FSL_LS_PPA which is loaded during boot stage, and then remains resident in RAM and runs in the TrustZone after boot. Say y to enable it. + +config SPL_FSL_LS_PPA + bool "FSL Layerscape PPA firmware support for SPL build" + depends on !ARMV8_PSCI + select SPL_ARMV8_SEC_FIRMWARE_SUPPORT + select SEC_FIRMWARE_ARMV8_PSCI + select ARMV8_SEC_FIRMWARE_ERET_ADDR_REVERT if FSL_LSCH2 + help + The FSL Primary Protected Application (PPA) is a software component + which is loaded during boot stage, and then remains resident in RAM + and runs in the TrustZone after boot. This is to load PPA during SPL + stage instead of the RAM version of U-Boot. Once PPA is initialized, + the rest of U-Boot (including RAM version) runs at EL2. choice prompt "FSL Layerscape PPA firmware loading-media select" depends on FSL_LS_PPA diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c index eb730e84a46..2776240be38 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/spl.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/spl.c @@ -9,6 +9,9 @@ #include #include #include +#include +#include +#include DECLARE_GLOBAL_DATA_PTR; @@ -57,6 +60,12 @@ void spl_board_init(void) val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK); out_le32(SMMU_NSCR0, val); #endif +#ifdef CONFIG_LAYERSCAPE_NS_ACCESS + enable_layerscape_ns_access(); +#endif +#ifdef CONFIG_SPL_FSL_LS_PPA + ppa_init(); +#endif } void board_init_f(ulong dummy) @@ -76,5 +85,35 @@ void board_init_f(ulong dummy) i2c_init_all(); #endif dram_init(); -} +#ifdef CONFIG_SPL_FSL_LS_PPA +#ifndef CONFIG_SYS_MEM_RESERVE_SECURE +#error Need secure RAM for PPA #endif + /* + * Secure memory location is determined in dram_init_banksize(). + * gd->ram_size is deducted by the size of secure ram. + */ + dram_init_banksize(); + + /* + * After dram_init_bank_size(), we know U-Boot only uses the first + * memory bank regardless how big the memory is. + */ + gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size; + + /* + * If PPA is loaded, U-Boot will resume running at EL2. + * Cache and MMU will be enabled. Need a place for TLB. + * U-Boot will be relocated to the end of available memory + * in first bank. At this point, we cannot know how much + * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK + * to avoid overlapping. As soon as the RAM version U-Boot sets + * up new MMU, this space is no longer needed. + */ + gd->ram_top -= SPL_TLB_SETBACK; + gd->arch.tlb_size = PGTABLE_SIZE; + gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1); + gd->arch.tlb_allocated = gd->arch.tlb_addr; +#endif /* CONFIG_SPL_FSL_LS_PPA */ +} +#endif /* CONFIG_SPL_BUILD */ diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h index 93e6597d9e0..79e94f9f2c4 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/config.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h @@ -17,6 +17,7 @@ * To be aligned with MMU block size */ #define CONFIG_SYS_MEM_RESERVE_SECURE (2048 * 1024) /* 2MB */ +#define SPL_TLB_SETBACK 0x1000000 /* 16MB under effective memory top */ #ifdef CONFIG_ARCH_LS2080A #define CONFIG_SYS_FSL_CLUSTER_CLOCKS { 1, 1, 4, 4 } -- cgit v1.2.3