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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/cpu/armv7/ls102xa
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/cpu/armv7/ls102xa')
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/Kconfig104
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/Makefile19
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/clock.c122
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/cpu.c399
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/fdt.c196
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.c213
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.h75
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_ls1_serdes.c130
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_ls1_serdes.h11
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c246
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_serdes.c40
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/psci.S257
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c242
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/spl.c15
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/ls102xa/timer.c126
15 files changed, 2195 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/Kconfig b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/Kconfig
new file mode 100644
index 000000000..747059b56
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/Kconfig
@@ -0,0 +1,104 @@
+config ARCH_LS1021A
+ bool
+ select SYS_FSL_DDR_BE if SYS_FSL_DDR
+ select SYS_FSL_DDR_VER_50 if SYS_FSL_DDR
+ select SYS_FSL_ERRATUM_A008378
+ select SYS_FSL_ERRATUM_A008407
+ select SYS_FSL_ERRATUM_A008850
+ select SYS_FSL_ERRATUM_A008997 if USB
+ select SYS_FSL_ERRATUM_A009007 if USB
+ select SYS_FSL_ERRATUM_A009008 if USB
+ select SYS_FSL_ERRATUM_A009663
+ select SYS_FSL_ERRATUM_A009798 if USB
+ select SYS_FSL_ERRATUM_A009942
+ select SYS_FSL_ERRATUM_A010315
+ select SYS_FSL_HAS_CCI400
+ select SYS_FSL_HAS_DDR3 if SYS_FSL_DDR
+ select SYS_FSL_HAS_DDR4 if SYS_FSL_DDR
+ select SYS_FSL_HAS_SEC
+ select SYS_FSL_SEC_COMPAT_5
+ select SYS_FSL_SEC_LE
+ select SYS_FSL_SRDS_1
+ select SYS_HAS_SERDES
+ imply CMD_PCI
+ imply SCSI
+ imply SCSI_AHCI
+
+menu "LS102xA architecture"
+ depends on ARCH_LS1021A
+
+config LS1_DEEP_SLEEP
+ bool "Deep sleep"
+
+config MAX_CPUS
+ int "Maximum number of CPUs permitted for LS102xA"
+ default 2
+ help
+ Set this number to the maximum number of possible CPUs in the SoC.
+ SoCs may have multiple clusters with each cluster may have multiple
+ ports. If some ports are reserved but higher ports are used for
+ cores, count the reserved ports. This will allocate enough memory
+ in spin table to properly handle all cores.
+
+config NXP_ESBC
+ bool "NXP_ESBC"
+ help
+ Enable Freescale Secure Boot feature. Normally selected
+ by defconfig. If unsure, do not change.
+
+config SYS_CCI400_OFFSET
+ hex "Offset for CCI400 base"
+ depends on SYS_FSL_HAS_CCI400
+ default 0x180000
+ help
+ Offset for CCI400 base.
+ CCI400 base addr = CCSRBAR + CCI400_OFFSET
+
+config SYS_FSL_ERRATUM_A008850
+ bool
+ help
+ Workaround for DDR erratum A008850
+
+config SYS_FSL_ERRATUM_A008997
+ bool
+ help
+ Workaround for USB PHY erratum A008997
+
+config SYS_FSL_ERRATUM_A009007
+ bool
+ help
+ Workaround for USB PHY erratum A009007
+
+config SYS_FSL_ERRATUM_A009008
+ bool
+ help
+ Workaround for USB PHY erratum A009008
+
+config SYS_FSL_ERRATUM_A009798
+ bool
+ help
+ Workaround for USB PHY erratum A009798
+
+config SYS_FSL_ERRATUM_A010315
+ bool "Workaround for PCIe erratum A010315"
+
+config SYS_FSL_HAS_CCI400
+ bool
+
+config SYS_FSL_SRDS_1
+ bool
+
+config SYS_FSL_SRDS_2
+ bool
+
+config SYS_HAS_SERDES
+ bool
+
+config SYS_FSL_IFC_BANK_COUNT
+ int "Maximum banks of Integrated flash controller"
+ default 8
+
+config SYS_FSL_ERRATUM_A008407
+ bool
+
+endmenu
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/Makefile b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/Makefile
new file mode 100644
index 000000000..0c1596f33
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/Makefile
@@ -0,0 +1,19 @@
+#
+# Copyright 2014 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += cpu.o
+obj-y += clock.o
+obj-y += timer.o
+obj-y += fsl_epu.o
+obj-y += soc.o
+
+obj-$(CONFIG_OF_LIBFDT) += fdt.o
+obj-$(CONFIG_SYS_HAS_SERDES) += fsl_ls1_serdes.o ls102xa_serdes.o
+obj-$(CONFIG_SPL) += spl.o
+
+ifdef CONFIG_ARMV7_PSCI
+obj-y += psci.o ls102xa_psci.o
+endif
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/clock.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/clock.c
new file mode 100644
index 000000000..940995ef5
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/clock.c
@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <clock_legacy.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <asm/arch/clock.h>
+#include <fsl_ifc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_SYS_FSL_NUM_CC_PLLS
+#define CONFIG_SYS_FSL_NUM_CC_PLLS 2
+#endif
+
+void get_sys_info(struct sys_info *sys_info)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ struct ccsr_clk *clk = (void *)(CONFIG_SYS_FSL_LS1_CLK_ADDR);
+ unsigned int cpu;
+ const u8 core_cplx_pll[6] = {
+ [0] = 0, /* CC1 PPL / 1 */
+ [1] = 0, /* CC1 PPL / 2 */
+ [4] = 1, /* CC2 PPL / 1 */
+ [5] = 1, /* CC2 PPL / 2 */
+ };
+
+ const u8 core_cplx_pll_div[6] = {
+ [0] = 1, /* CC1 PPL / 1 */
+ [1] = 2, /* CC1 PPL / 2 */
+ [4] = 1, /* CC2 PPL / 1 */
+ [5] = 2, /* CC2 PPL / 2 */
+ };
+
+ uint i;
+ uint freq_c_pll[CONFIG_SYS_FSL_NUM_CC_PLLS];
+ uint ratio[CONFIG_SYS_FSL_NUM_CC_PLLS];
+ unsigned long sysclk = CONFIG_SYS_CLK_FREQ;
+
+ sys_info->freq_systembus = sysclk;
+#ifdef CONFIG_DDR_CLK_FREQ
+ sys_info->freq_ddrbus = CONFIG_DDR_CLK_FREQ;
+#else
+ sys_info->freq_ddrbus = sysclk;
+#endif
+
+ sys_info->freq_systembus *= (in_be32(&gur->rcwsr[0]) >>
+ RCWSR0_SYS_PLL_RAT_SHIFT) & RCWSR0_SYS_PLL_RAT_MASK;
+ sys_info->freq_ddrbus *= (in_be32(&gur->rcwsr[0]) >>
+ RCWSR0_MEM_PLL_RAT_SHIFT) & RCWSR0_MEM_PLL_RAT_MASK;
+
+ for (i = 0; i < CONFIG_SYS_FSL_NUM_CC_PLLS; i++) {
+ ratio[i] = (in_be32(&clk->pllcgsr[i].pllcngsr) >> 1) & 0x3f;
+ if (ratio[i] > 4)
+ freq_c_pll[i] = sysclk * ratio[i];
+ else
+ freq_c_pll[i] = sys_info->freq_systembus * ratio[i];
+ }
+
+ for (cpu = 0; cpu < CONFIG_MAX_CPUS; cpu++) {
+ u32 c_pll_sel = (in_be32(&clk->clkcsr[cpu].clkcncsr) >> 27)
+ & 0xf;
+ u32 cplx_pll = core_cplx_pll[c_pll_sel];
+
+ sys_info->freq_processor[cpu] =
+ freq_c_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel];
+ }
+
+#if defined(CONFIG_FSL_IFC)
+ sys_info->freq_localbus = sys_info->freq_systembus;
+#endif
+}
+
+int get_clocks(void)
+{
+ struct sys_info sys_info;
+
+ get_sys_info(&sys_info);
+ gd->cpu_clk = sys_info.freq_processor[0];
+ gd->bus_clk = sys_info.freq_systembus;
+ gd->mem_clk = sys_info.freq_ddrbus * 2;
+
+#if defined(CONFIG_FSL_ESDHC)
+ gd->arch.sdhc_clk = gd->bus_clk;
+#endif
+
+ return 0;
+}
+
+ulong get_bus_freq(ulong dummy)
+{
+ return gd->bus_clk;
+}
+
+ulong get_ddr_freq(ulong dummy)
+{
+ return gd->mem_clk;
+}
+
+int get_serial_clock(void)
+{
+ return gd->bus_clk / 2;
+}
+
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+ switch (clk) {
+ case MXC_I2C_CLK:
+ return get_bus_freq(0) / 2;
+ case MXC_DSPI_CLK:
+ return get_bus_freq(0) / 2;
+ case MXC_UART_CLK:
+ return get_bus_freq(0) / 2;
+ default:
+ printf("Unsupported clock\n");
+ }
+ return 0;
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/cpu.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/cpu.c
new file mode 100644
index 000000000..d863c9625
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/cpu.c
@@ -0,0 +1,399 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <init.h>
+#include <net.h>
+#include <vsprintf.h>
+#include <asm/arch/clock.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <asm/cache.h>
+#include <asm/system.h>
+#include <tsec.h>
+#include <netdev.h>
+#include <fsl_esdhc.h>
+#include <config.h>
+#include <fsl_wdog.h>
+#include <linux/delay.h>
+
+#include "fsl_epu.h"
+
+#define DCSR_RCPM2_BLOCK_OFFSET 0x223000
+#define DCSR_RCPM2_CPMFSMCR0 0x400
+#define DCSR_RCPM2_CPMFSMSR0 0x404
+#define DCSR_RCPM2_CPMFSMCR1 0x414
+#define DCSR_RCPM2_CPMFSMSR1 0x418
+#define CPMFSMSR_FSM_STATE_MASK 0x7f
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
+
+/*
+ * Bit[1] of the descriptor indicates the descriptor type,
+ * and bit[0] indicates whether the descriptor is valid.
+ */
+#define PMD_TYPE_TABLE 0x3
+#define PMD_TYPE_SECT 0x1
+
+/* AttrIndx[2:0] */
+#define PMD_ATTRINDX(t) ((t) << 2)
+
+/* Section */
+#define PMD_SECT_AF (1 << 10)
+
+#define BLOCK_SIZE_L1 (1UL << 30)
+#define BLOCK_SIZE_L2 (1UL << 21)
+
+/* TTBCR flags */
+#define TTBCR_EAE (1 << 31)
+#define TTBCR_T0SZ(x) ((x) << 0)
+#define TTBCR_T1SZ(x) ((x) << 16)
+#define TTBCR_USING_TTBR0 (TTBCR_T0SZ(0) | TTBCR_T1SZ(0))
+#define TTBCR_IRGN0_NC (0 << 8)
+#define TTBCR_IRGN0_WBWA (1 << 8)
+#define TTBCR_IRGN0_WT (2 << 8)
+#define TTBCR_IRGN0_WBNWA (3 << 8)
+#define TTBCR_IRGN0_MASK (3 << 8)
+#define TTBCR_ORGN0_NC (0 << 10)
+#define TTBCR_ORGN0_WBWA (1 << 10)
+#define TTBCR_ORGN0_WT (2 << 10)
+#define TTBCR_ORGN0_WBNWA (3 << 10)
+#define TTBCR_ORGN0_MASK (3 << 10)
+#define TTBCR_SHARED_NON (0 << 12)
+#define TTBCR_SHARED_OUTER (2 << 12)
+#define TTBCR_SHARED_INNER (3 << 12)
+#define TTBCR_EPD0 (0 << 7)
+#define TTBCR (TTBCR_SHARED_NON | \
+ TTBCR_ORGN0_NC | \
+ TTBCR_IRGN0_NC | \
+ TTBCR_USING_TTBR0 | \
+ TTBCR_EAE)
+
+/*
+ * Memory region attributes for LPAE (defined in pgtable):
+ *
+ * n = AttrIndx[2:0]
+ *
+ * n MAIR
+ * UNCACHED 000 00000000
+ * BUFFERABLE 001 01000100
+ * DEV_WC 001 01000100
+ * WRITETHROUGH 010 10101010
+ * WRITEBACK 011 11101110
+ * DEV_CACHED 011 11101110
+ * DEV_SHARED 100 00000100
+ * DEV_NONSHARED 100 00000100
+ * unused 101
+ * unused 110
+ * WRITEALLOC 111 11111111
+ */
+#define MT_MAIR0 0xeeaa4400
+#define MT_MAIR1 0xff000004
+#define MT_STRONLY_ORDER 0
+#define MT_NORMAL_NC 1
+#define MT_DEVICE_MEM 4
+#define MT_NORMAL 7
+
+/* The phy_addr must be aligned to 4KB */
+static inline void set_pgtable(u32 *page_table, u32 index, u32 phy_addr)
+{
+ u32 value = phy_addr | PMD_TYPE_TABLE;
+
+ page_table[2 * index] = value;
+ page_table[2 * index + 1] = 0;
+}
+
+/* The phy_addr must be aligned to 4KB */
+static inline void set_pgsection(u32 *page_table, u32 index, u64 phy_addr,
+ u32 memory_type)
+{
+ u64 value;
+
+ value = phy_addr | PMD_TYPE_SECT | PMD_SECT_AF;
+ value |= PMD_ATTRINDX(memory_type);
+ page_table[2 * index] = value & 0xFFFFFFFF;
+ page_table[2 * index + 1] = (value >> 32) & 0xFFFFFFFF;
+}
+
+/*
+ * Start MMU after DDR is available, we create MMU table in DRAM.
+ * The base address of TTLB is gd->arch.tlb_addr. We use two
+ * levels of translation tables here to cover 40-bit address space.
+ *
+ * The TTLBs are located at PHY 2G~4G.
+ *
+ * VA mapping:
+ *
+ * ------- <---- 0GB
+ * | |
+ * | |
+ * |-------| <---- 0x24000000
+ * |///////| ===> 192MB VA map for PCIe1 with offset 0x40_0000_0000
+ * |-------| <---- 0x300000000
+ * | |
+ * |-------| <---- 0x34000000
+ * |///////| ===> 192MB VA map for PCIe2 with offset 0x48_0000_0000
+ * |-------| <---- 0x40000000
+ * | |
+ * |-------| <---- 0x80000000 DDR0 space start
+ * |\\\\\\\|
+ *.|\\\\\\\| ===> 2GB VA map for 2GB DDR0 Memory space
+ * |\\\\\\\|
+ * ------- <---- 4GB DDR0 space end
+ */
+static void mmu_setup(void)
+{
+ u32 *level0_table = (u32 *)gd->arch.tlb_addr;
+ u32 *level1_table = (u32 *)(gd->arch.tlb_addr + 0x1000);
+ u64 va_start = 0;
+ u32 reg;
+ int i;
+
+ /* Level 0 Table 2-3 are used to map DDR */
+ set_pgsection(level0_table, 3, 3 * BLOCK_SIZE_L1, MT_NORMAL);
+ set_pgsection(level0_table, 2, 2 * BLOCK_SIZE_L1, MT_NORMAL);
+ /* Level 0 Table 1 is used to map device */
+ set_pgsection(level0_table, 1, 1 * BLOCK_SIZE_L1, MT_DEVICE_MEM);
+ /* Level 0 Table 0 is used to map device including PCIe MEM */
+ set_pgtable(level0_table, 0, (u32)level1_table);
+
+ /* Level 1 has 512 entries */
+ for (i = 0; i < 512; i++) {
+ /* Mapping for PCIe 1 */
+ if (va_start >= CONFIG_SYS_PCIE1_VIRT_ADDR &&
+ va_start < (CONFIG_SYS_PCIE1_VIRT_ADDR +
+ CONFIG_SYS_PCIE_MMAP_SIZE))
+ set_pgsection(level1_table, i,
+ CONFIG_SYS_PCIE1_PHYS_BASE + va_start,
+ MT_DEVICE_MEM);
+ /* Mapping for PCIe 2 */
+ else if (va_start >= CONFIG_SYS_PCIE2_VIRT_ADDR &&
+ va_start < (CONFIG_SYS_PCIE2_VIRT_ADDR +
+ CONFIG_SYS_PCIE_MMAP_SIZE))
+ set_pgsection(level1_table, i,
+ CONFIG_SYS_PCIE2_PHYS_BASE + va_start,
+ MT_DEVICE_MEM);
+ else
+ set_pgsection(level1_table, i,
+ va_start,
+ MT_DEVICE_MEM);
+ va_start += BLOCK_SIZE_L2;
+ }
+
+ asm volatile("dsb sy;isb");
+ asm volatile("mcr p15, 0, %0, c2, c0, 2" /* Write RT to TTBCR */
+ : : "r" (TTBCR) : "memory");
+ asm volatile("mcrr p15, 0, %0, %1, c2" /* TTBR 0 */
+ : : "r" ((u32)level0_table), "r" (0) : "memory");
+ asm volatile("mcr p15, 0, %0, c10, c2, 0" /* write MAIR 0 */
+ : : "r" (MT_MAIR0) : "memory");
+ asm volatile("mcr p15, 0, %0, c10, c2, 1" /* write MAIR 1 */
+ : : "r" (MT_MAIR1) : "memory");
+
+ /* Set the access control to all-supervisor */
+ asm volatile("mcr p15, 0, %0, c3, c0, 0"
+ : : "r" (~0));
+
+ /* Enable the mmu */
+ reg = get_cr();
+ set_cr(reg | CR_M);
+}
+
+/*
+ * This function is called from lib/board.c. It recreates MMU
+ * table in main memory. MMU and i/d-cache are enabled here.
+ */
+void enable_caches(void)
+{
+ /* Invalidate all TLB */
+ mmu_page_table_flush(gd->arch.tlb_addr,
+ gd->arch.tlb_addr + gd->arch.tlb_size);
+ /* Set up and enable mmu */
+ mmu_setup();
+
+ /* Invalidate & Enable d-cache */
+ invalidate_dcache_all();
+ set_cr(get_cr() | CR_C);
+}
+#endif /* #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
+
+
+uint get_svr(void)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+
+ return in_be32(&gur->svr);
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+ char buf1[32], buf2[32];
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ unsigned int svr, major, minor, ver, i;
+
+ svr = in_be32(&gur->svr);
+ major = SVR_MAJ(svr);
+ minor = SVR_MIN(svr);
+
+ puts("CPU: Freescale LayerScape ");
+
+ ver = SVR_SOC_VER(svr);
+ switch (ver) {
+ case SOC_VER_SLS1020:
+ puts("SLS1020");
+ break;
+ case SOC_VER_LS1020:
+ puts("LS1020");
+ break;
+ case SOC_VER_LS1021:
+ puts("LS1021");
+ break;
+ case SOC_VER_LS1022:
+ puts("LS1022");
+ break;
+ default:
+ puts("Unknown");
+ break;
+ }
+
+ if (IS_E_PROCESSOR(svr) && (ver != SOC_VER_SLS1020))
+ puts("E");
+
+ printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
+
+ puts("Clock Configuration:");
+
+ printf("\n CPU0(ARMV7):%-4s MHz, ", strmhz(buf1, gd->cpu_clk));
+ printf("\n Bus:%-4s MHz, ", strmhz(buf1, gd->bus_clk));
+ printf("DDR:%-4s MHz (%s MT/s data rate), ",
+ strmhz(buf1, gd->mem_clk/2), strmhz(buf2, gd->mem_clk));
+ puts("\n");
+
+ /* Display the RCW, so that no one gets confused as to what RCW
+ * we're actually using for this boot.
+ */
+ puts("Reset Configuration Word (RCW):");
+ for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
+ u32 rcw = in_be32(&gur->rcwsr[i]);
+
+ if ((i % 4) == 0)
+ printf("\n %08x:", i * 4);
+ printf(" %08x", rcw);
+ }
+ puts("\n");
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_FSL_ESDHC
+int cpu_mmc_init(struct bd_info *bis)
+{
+ return fsl_esdhc_mmc_init(bis);
+}
+#endif
+
+int cpu_eth_init(struct bd_info *bis)
+{
+#if defined(CONFIG_TSEC_ENET) && !defined(CONFIG_DM_ETH)
+ tsec_standard_init(bis);
+#endif
+
+ return 0;
+}
+
+int arch_cpu_init(void)
+{
+ void *epu_base = (void *)(CONFIG_SYS_DCSRBAR + EPU_BLOCK_OFFSET);
+ void *rcpm2_base =
+ (void *)(CONFIG_SYS_DCSRBAR + DCSR_RCPM2_BLOCK_OFFSET);
+ struct ccsr_scfg *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
+ u32 state;
+
+ icache_enable();
+
+ /*
+ * The RCPM FSM state may not be reset after power-on.
+ * So, reset them.
+ */
+ state = in_be32(rcpm2_base + DCSR_RCPM2_CPMFSMSR0) &
+ CPMFSMSR_FSM_STATE_MASK;
+ if (state != 0) {
+ out_be32(rcpm2_base + DCSR_RCPM2_CPMFSMCR0, 0x80);
+ out_be32(rcpm2_base + DCSR_RCPM2_CPMFSMCR0, 0x0);
+ }
+
+ state = in_be32(rcpm2_base + DCSR_RCPM2_CPMFSMSR1) &
+ CPMFSMSR_FSM_STATE_MASK;
+ if (state != 0) {
+ out_be32(rcpm2_base + DCSR_RCPM2_CPMFSMCR1, 0x80);
+ out_be32(rcpm2_base + DCSR_RCPM2_CPMFSMCR1, 0x0);
+ }
+
+ /*
+ * After wakeup from deep sleep, Clear EPU registers
+ * as early as possible to prevent from possible issue.
+ * It's also safe to clear at normal boot.
+ */
+ fsl_epu_clean(epu_base);
+
+ setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR);
+
+ return 0;
+}
+
+#ifdef CONFIG_ARMV7_NONSEC
+/* Set the address at which the secondary core starts from.*/
+void smp_set_core_boot_addr(unsigned long addr, int corenr)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+
+ out_be32(&gur->scratchrw[0], addr);
+}
+
+/* Release the secondary core from holdoff state and kick it */
+void smp_kick_all_cpus(void)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+
+ out_be32(&gur->brrl, 0x2);
+
+ /*
+ * LS1 STANDBYWFE is not captured outside the ARM module in the soc.
+ * So add a delay to wait bootrom execute WFE.
+ */
+ udelay(1);
+
+ asm volatile("sev");
+}
+#endif
+
+void reset_cpu(void)
+{
+ struct watchdog_regs *wdog = (struct watchdog_regs *)WDOG1_BASE_ADDR;
+
+ clrbits_be16(&wdog->wcr, WCR_SRS);
+
+ while (1) {
+ /*
+ * Let the watchdog trigger
+ */
+ }
+}
+
+void arch_preboot_os(void)
+{
+ unsigned long ctrl;
+
+ /* Disable PL1 Physical Timer */
+ asm("mrc p15, 0, %0, c14, c2, 1" : "=r" (ctrl));
+ ctrl &= ~ARCH_TIMER_CTRL_ENABLE;
+ asm("mcr p15, 0, %0, c14, c2, 1" : : "r" (ctrl));
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fdt.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fdt.c
new file mode 100644
index 000000000..0daf8234f
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fdt.c
@@ -0,0 +1,196 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <clock_legacy.h>
+#include <net.h>
+#include <asm/global_data.h>
+#include <linux/libfdt.h>
+#include <fdt_support.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/arch/clock.h>
+#include <linux/ctype.h>
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
+#include <tsec.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <fsl_sec.h>
+#include <dm.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void ft_fixup_enet_phy_connect_type(void *fdt)
+{
+#ifdef CONFIG_DM_ETH
+ struct udevice *dev;
+#else
+ struct eth_device *dev;
+#endif
+ struct tsec_private *priv;
+ const char *enet_path, *phy_path;
+ char enet[16];
+ char phy[16];
+ int phy_node;
+ int i = 0;
+ uint32_t ph;
+#ifdef CONFIG_DM_ETH
+ char *name[3] = { "ethernet@2d10000", "ethernet@2d50000",
+ "ethernet@2d90000" };
+#else
+ char *name[3] = { "eTSEC1", "eTSEC2", "eTSEC3" };
+#endif
+
+ for (; i < ARRAY_SIZE(name); i++) {
+ dev = eth_get_dev_by_name(name[i]);
+ if (dev) {
+ sprintf(enet, "ethernet%d", i);
+ sprintf(phy, "enet%d_rgmii_phy", i);
+ } else {
+ continue;
+ }
+
+#ifdef CONFIG_DM_ETH
+ priv = dev_get_priv(dev);
+#else
+ priv = dev->priv;
+#endif
+ if (priv->flags & TSEC_SGMII)
+ continue;
+
+ enet_path = fdt_get_alias(fdt, enet);
+ if (!enet_path)
+ continue;
+
+ phy_path = fdt_get_alias(fdt, phy);
+ if (!phy_path)
+ continue;
+
+ phy_node = fdt_path_offset(fdt, phy_path);
+ if (phy_node < 0)
+ continue;
+
+ ph = fdt_create_phandle(fdt, phy_node);
+ if (ph)
+ do_fixup_by_path_u32(fdt, enet_path,
+ "phy-handle", ph, 1);
+
+ do_fixup_by_path(fdt, enet_path, "phy-connection-type",
+ phy_string_for_interface(
+ PHY_INTERFACE_MODE_RGMII_ID),
+ strlen(phy_string_for_interface(
+ PHY_INTERFACE_MODE_RGMII_ID)) + 1,
+ 1);
+ }
+}
+
+void ft_cpu_setup(void *blob, struct bd_info *bd)
+{
+ int off;
+ int val;
+ const char *sysclk_path;
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ unsigned int svr;
+ svr = in_be32(&gur->svr);
+
+ unsigned long busclk = get_bus_freq(0);
+
+ /* delete crypto node if not on an E-processor */
+ if (!IS_E_PROCESSOR(svr))
+ fdt_fixup_crypto_node(blob, 0);
+#if CONFIG_SYS_FSL_SEC_COMPAT >= 4
+ else {
+ ccsr_sec_t __iomem *sec;
+
+ sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
+ fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
+ }
+#endif
+
+ off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+ while (off != -FDT_ERR_NOTFOUND) {
+ val = gd->cpu_clk;
+ fdt_setprop(blob, off, "clock-frequency", &val, 4);
+ off = fdt_node_offset_by_prop_value(blob, off,
+ "device_type", "cpu", 4);
+ }
+
+ do_fixup_by_prop_u32(blob, "device_type", "soc",
+ 4, "bus-frequency", busclk, 1);
+
+ ft_fixup_enet_phy_connect_type(blob);
+
+#ifdef CONFIG_SYS_NS16550
+ do_fixup_by_compat_u32(blob, "fsl,16550-FIFO64",
+ "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
+#endif
+
+ sysclk_path = fdt_get_alias(blob, "sysclk");
+ if (sysclk_path)
+ do_fixup_by_path_u32(blob, sysclk_path, "clock-frequency",
+ CONFIG_SYS_CLK_FREQ, 1);
+ do_fixup_by_compat_u32(blob, "fsl,qoriq-sysclk-2.0",
+ "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
+
+#if defined(CONFIG_DEEP_SLEEP) && defined(CONFIG_SD_BOOT)
+#define UBOOT_HEAD_LEN 0x1000
+ /*
+ * Reserved memory in SD boot deep sleep case.
+ * Second stage uboot binary and malloc space should be reserved.
+ * If the memory they occupied has not been reserved, then this
+ * space would be used by kernel and overwritten in uboot when
+ * deep sleep resume, which cause deep sleep failed.
+ * Since second uboot binary has a head, that space need to be
+ * reserved either(assuming its size is less than 0x1000).
+ */
+ off = fdt_add_mem_rsv(blob, CONFIG_SYS_TEXT_BASE - UBOOT_HEAD_LEN,
+ CONFIG_SYS_MONITOR_LEN + CONFIG_SYS_SPL_MALLOC_SIZE +
+ UBOOT_HEAD_LEN);
+ if (off < 0)
+ printf("Failed to reserve memory for SD boot deep sleep: %s\n",
+ fdt_strerror(off));
+#endif
+
+#if defined(CONFIG_FSL_ESDHC)
+ fdt_fixup_esdhc(blob, bd);
+#endif
+
+ /*
+ * platform bus clock = system bus clock/2
+ * Here busclk = system bus clock
+ * We are using the platform bus clock as 1588 Timer reference
+ * clock source select
+ */
+ do_fixup_by_compat_u32(blob, "fsl, gianfar-ptp-timer",
+ "timer-frequency", busclk / 2, 1);
+
+ /*
+ * clock-freq should change to clock-frequency and
+ * flexcan-v1.0 should change to p1010-flexcan respectively
+ * in the future.
+ */
+ do_fixup_by_compat_u32(blob, "fsl, flexcan-v1.0",
+ "clock_freq", busclk / 2, 1);
+
+ do_fixup_by_compat_u32(blob, "fsl, flexcan-v1.0",
+ "clock-frequency", busclk / 2, 1);
+
+ do_fixup_by_compat_u32(blob, "fsl, ls1021a-flexcan",
+ "clock-frequency", busclk / 2, 1);
+
+#if defined(CONFIG_QSPI_BOOT) || defined(CONFIG_SD_BOOT_QSPI)
+ off = fdt_node_offset_by_compat_reg(blob, FSL_IFC_COMPAT,
+ CONFIG_SYS_IFC_ADDR);
+ fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
+#else
+ off = fdt_node_offset_by_compat_reg(blob, FSL_QSPI_COMPAT,
+ QSPI0_BASE_ADDR);
+ fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
+ off = fdt_node_offset_by_compat_reg(blob, FSL_DSPI_COMPAT,
+ DSPI1_BASE_ADDR);
+ fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
+#endif
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.c
new file mode 100644
index 000000000..e31a4fb6c
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.c
@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+#include "fsl_epu.h"
+
+struct fsm_reg_vals epu_default_val[] = {
+ /* EPGCR (Event Processor Global Control Register) */
+ {EPGCR, 0},
+ /* EPECR (Event Processor Event Control Registers) */
+ {EPECR0 + EPECR_STRIDE * 0, 0},
+ {EPECR0 + EPECR_STRIDE * 1, 0},
+ {EPECR0 + EPECR_STRIDE * 2, 0xF0004004},
+ {EPECR0 + EPECR_STRIDE * 3, 0x80000084},
+ {EPECR0 + EPECR_STRIDE * 4, 0x20000084},
+ {EPECR0 + EPECR_STRIDE * 5, 0x08000004},
+ {EPECR0 + EPECR_STRIDE * 6, 0x80000084},
+ {EPECR0 + EPECR_STRIDE * 7, 0x80000084},
+ {EPECR0 + EPECR_STRIDE * 8, 0x60000084},
+ {EPECR0 + EPECR_STRIDE * 9, 0x08000084},
+ {EPECR0 + EPECR_STRIDE * 10, 0x42000084},
+ {EPECR0 + EPECR_STRIDE * 11, 0x90000084},
+ {EPECR0 + EPECR_STRIDE * 12, 0x80000084},
+ {EPECR0 + EPECR_STRIDE * 13, 0x08000084},
+ {EPECR0 + EPECR_STRIDE * 14, 0x02000084},
+ {EPECR0 + EPECR_STRIDE * 15, 0x00000004},
+ /*
+ * EPEVTCR (Event Processor EVT Pin Control Registers)
+ * SCU8 triger EVT2, and SCU11 triger EVT9
+ */
+ {EPEVTCR0 + EPEVTCR_STRIDE * 0, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 1, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 2, 0x80000001},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 3, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 4, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 5, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 6, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 7, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 8, 0},
+ {EPEVTCR0 + EPEVTCR_STRIDE * 9, 0xB0000001},
+ /* EPCMPR (Event Processor Counter Compare Registers) */
+ {EPCMPR0 + EPCMPR_STRIDE * 0, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 1, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 2, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 3, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 4, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 5, 0x00000020},
+ {EPCMPR0 + EPCMPR_STRIDE * 6, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 7, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 8, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 9, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 10, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 11, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 12, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 13, 0},
+ {EPCMPR0 + EPCMPR_STRIDE * 14, 0x000000FF},
+ {EPCMPR0 + EPCMPR_STRIDE * 15, 0x000000FF},
+ /* EPCCR (Event Processor Counter Control Registers) */
+ {EPCCR0 + EPCCR_STRIDE * 0, 0},
+ {EPCCR0 + EPCCR_STRIDE * 1, 0},
+ {EPCCR0 + EPCCR_STRIDE * 2, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 3, 0},
+ {EPCCR0 + EPCCR_STRIDE * 4, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 5, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 6, 0},
+ {EPCCR0 + EPCCR_STRIDE * 7, 0},
+ {EPCCR0 + EPCCR_STRIDE * 8, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 9, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 10, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 11, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 12, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 13, 0},
+ {EPCCR0 + EPCCR_STRIDE * 14, 0x92840000},
+ {EPCCR0 + EPCCR_STRIDE * 15, 0x92840000},
+ /* EPSMCR (Event Processor SCU Mux Control Registers) */
+ {EPSMCR0 + EPSMCR_STRIDE * 0, 0},
+ {EPSMCR0 + EPSMCR_STRIDE * 1, 0},
+ {EPSMCR0 + EPSMCR_STRIDE * 2, 0x6C700000},
+ {EPSMCR0 + EPSMCR_STRIDE * 3, 0x2F000000},
+ {EPSMCR0 + EPSMCR_STRIDE * 4, 0x002F0000},
+ {EPSMCR0 + EPSMCR_STRIDE * 5, 0x00002E00},
+ {EPSMCR0 + EPSMCR_STRIDE * 6, 0x7C000000},
+ {EPSMCR0 + EPSMCR_STRIDE * 7, 0x30000000},
+ {EPSMCR0 + EPSMCR_STRIDE * 8, 0x64300000},
+ {EPSMCR0 + EPSMCR_STRIDE * 9, 0x00003000},
+ {EPSMCR0 + EPSMCR_STRIDE * 10, 0x65000030},
+ {EPSMCR0 + EPSMCR_STRIDE * 11, 0x31740000},
+ {EPSMCR0 + EPSMCR_STRIDE * 12, 0x7F000000},
+ {EPSMCR0 + EPSMCR_STRIDE * 13, 0x00003100},
+ {EPSMCR0 + EPSMCR_STRIDE * 14, 0x00000031},
+ {EPSMCR0 + EPSMCR_STRIDE * 15, 0x76000000},
+ /* EPACR (Event Processor Action Control Registers) */
+ {EPACR0 + EPACR_STRIDE * 0, 0},
+ {EPACR0 + EPACR_STRIDE * 1, 0},
+ {EPACR0 + EPACR_STRIDE * 2, 0},
+ {EPACR0 + EPACR_STRIDE * 3, 0x00000080},
+ {EPACR0 + EPACR_STRIDE * 4, 0},
+ {EPACR0 + EPACR_STRIDE * 5, 0x00000040},
+ {EPACR0 + EPACR_STRIDE * 6, 0},
+ {EPACR0 + EPACR_STRIDE * 7, 0},
+ {EPACR0 + EPACR_STRIDE * 8, 0},
+ {EPACR0 + EPACR_STRIDE * 9, 0x0000001C},
+ {EPACR0 + EPACR_STRIDE * 10, 0x00000020},
+ {EPACR0 + EPACR_STRIDE * 11, 0},
+ {EPACR0 + EPACR_STRIDE * 12, 0x00000003},
+ {EPACR0 + EPACR_STRIDE * 13, 0x06000000},
+ {EPACR0 + EPACR_STRIDE * 14, 0x04000000},
+ {EPACR0 + EPACR_STRIDE * 15, 0x02000000},
+ /* EPIMCR (Event Processor Input Mux Control Registers) */
+ {EPIMCR0 + EPIMCR_STRIDE * 0, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 1, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 2, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 3, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 4, 0x44000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 5, 0x40000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 6, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 7, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 8, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 9, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 10, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 11, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 12, 0x44000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 13, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 14, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 15, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 16, 0x6A000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 17, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 18, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 19, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 20, 0x48000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 21, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 22, 0x6C000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 23, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 24, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 25, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 26, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 27, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 28, 0x76000000},
+ {EPIMCR0 + EPIMCR_STRIDE * 29, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 30, 0},
+ {EPIMCR0 + EPIMCR_STRIDE * 31, 0x76000000},
+ /* EPXTRIGCR (Event Processor Crosstrigger Control Register) */
+ {EPXTRIGCR, 0x0000FFDF},
+ /* end */
+ {FSM_END_FLAG, 0},
+};
+
+/**
+ * fsl_epu_setup - Setup EPU registers to default values
+ */
+void fsl_epu_setup(void *epu_base)
+{
+ struct fsm_reg_vals *data = epu_default_val;
+
+ if (!epu_base || !data)
+ return;
+
+ while (data->offset != FSM_END_FLAG) {
+ out_be32(epu_base + data->offset, data->value);
+ data++;
+ }
+}
+
+/**
+ * fsl_epu_clean - Clear EPU registers
+ */
+void fsl_epu_clean(void *epu_base)
+{
+ u32 offset;
+
+ /* follow the exact sequence to clear the registers */
+ /* Clear EPACRn */
+ for (offset = EPACR0; offset <= EPACR15; offset += EPACR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPEVTCRn */
+ for (offset = EPEVTCR0; offset <= EPEVTCR9; offset += EPEVTCR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPGCR */
+ out_be32(epu_base + EPGCR, 0);
+
+ /* Clear EPSMCRn */
+ for (offset = EPSMCR0; offset <= EPSMCR15; offset += EPSMCR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPCCRn */
+ for (offset = EPCCR0; offset <= EPCCR31; offset += EPCCR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPCMPRn */
+ for (offset = EPCMPR0; offset <= EPCMPR31; offset += EPCMPR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPCTRn */
+ for (offset = EPCTR0; offset <= EPCTR31; offset += EPCTR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPIMCRn */
+ for (offset = EPIMCR0; offset <= EPIMCR31; offset += EPIMCR_STRIDE)
+ out_be32(epu_base + offset, 0);
+
+ /* Clear EPXTRIGCRn */
+ out_be32(epu_base + EPXTRIGCR, 0);
+
+ /* Clear EPECRn */
+ for (offset = EPECR0; offset <= EPECR15; offset += EPECR_STRIDE)
+ out_be32(epu_base + offset, 0);
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.h b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.h
new file mode 100644
index 000000000..711eea565
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_epu.h
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#ifndef __FSL_EPU_H
+#define __FSL_EPU_H
+
+#include <asm/types.h>
+
+#define FSL_STRIDE_4B 4
+#define FSL_STRIDE_8B 8
+
+/* Block offsets */
+#define EPU_BLOCK_OFFSET 0x00000000
+
+/* EPGCR (Event Processor Global Control Register) */
+#define EPGCR 0x000
+
+/* EPEVTCR0-9 (Event Processor EVT Pin Control Registers) */
+#define EPEVTCR0 0x050
+#define EPEVTCR9 0x074
+#define EPEVTCR_STRIDE FSL_STRIDE_4B
+
+/* EPXTRIGCR (Event Processor Crosstrigger Control Register) */
+#define EPXTRIGCR 0x090
+
+/* EPIMCR0-31 (Event Processor Input Mux Control Registers) */
+#define EPIMCR0 0x100
+#define EPIMCR31 0x17C
+#define EPIMCR_STRIDE FSL_STRIDE_4B
+
+/* EPSMCR0-15 (Event Processor SCU Mux Control Registers) */
+#define EPSMCR0 0x200
+#define EPSMCR15 0x278
+#define EPSMCR_STRIDE FSL_STRIDE_8B
+
+/* EPECR0-15 (Event Processor Event Control Registers) */
+#define EPECR0 0x300
+#define EPECR15 0x33C
+#define EPECR_STRIDE FSL_STRIDE_4B
+
+/* EPACR0-15 (Event Processor Action Control Registers) */
+#define EPACR0 0x400
+#define EPACR15 0x43C
+#define EPACR_STRIDE FSL_STRIDE_4B
+
+/* EPCCRi0-15 (Event Processor Counter Control Registers) */
+#define EPCCR0 0x800
+#define EPCCR15 0x83C
+#define EPCCR31 0x87C
+#define EPCCR_STRIDE FSL_STRIDE_4B
+
+/* EPCMPR0-15 (Event Processor Counter Compare Registers) */
+#define EPCMPR0 0x900
+#define EPCMPR15 0x93C
+#define EPCMPR31 0x97C
+#define EPCMPR_STRIDE FSL_STRIDE_4B
+
+/* EPCTR0-31 (Event Processor Counter Register) */
+#define EPCTR0 0xA00
+#define EPCTR31 0xA7C
+#define EPCTR_STRIDE FSL_STRIDE_4B
+
+#define FSM_END_FLAG 0xFFFFFFFFUL
+
+struct fsm_reg_vals {
+ u32 offset;
+ u32 value;
+};
+
+void fsl_epu_setup(void *epu_base);
+void fsl_epu_clean(void *epu_base);
+
+#endif
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_ls1_serdes.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_ls1_serdes.c
new file mode 100644
index 000000000..caf51e17b
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_ls1_serdes.c
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <asm/arch/fsl_serdes.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <linux/errno.h>
+#include <asm/io.h>
+#include "fsl_ls1_serdes.h"
+
+#ifdef CONFIG_SYS_FSL_SRDS_1
+static u64 serdes1_prtcl_map;
+#endif
+#ifdef CONFIG_SYS_FSL_SRDS_2
+static u64 serdes2_prtcl_map;
+#endif
+
+int is_serdes_configured(enum srds_prtcl device)
+{
+ u64 ret = 0;
+
+#ifdef CONFIG_SYS_FSL_SRDS_1
+ if (!(serdes1_prtcl_map & (1ULL << NONE)))
+ fsl_serdes_init();
+
+ ret |= (1ULL << device) & serdes1_prtcl_map;
+#endif
+#ifdef CONFIG_SYS_FSL_SRDS_2
+ if (!(serdes2_prtcl_map & (1ULL << NONE)))
+ fsl_serdes_init();
+
+ ret |= (1ULL << device) & serdes2_prtcl_map;
+#endif
+
+ return !!ret;
+}
+
+int serdes_get_first_lane(u32 sd, enum srds_prtcl device)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ u32 cfg = in_be32(&gur->rcwsr[4]);
+ int i;
+
+ switch (sd) {
+#ifdef CONFIG_SYS_FSL_SRDS_1
+ case FSL_SRDS_1:
+ cfg &= RCWSR4_SRDS1_PRTCL_MASK;
+ cfg >>= RCWSR4_SRDS1_PRTCL_SHIFT;
+ break;
+#endif
+#ifdef CONFIG_SYS_FSL_SRDS_2
+ case FSL_SRDS_2:
+ cfg &= RCWSR4_SRDS2_PRTCL_MASK;
+ cfg >>= RCWSR4_SRDS2_PRTCL_SHIFT;
+ break;
+#endif
+ default:
+ printf("invalid SerDes%d\n", sd);
+ break;
+ }
+ /* Is serdes enabled at all? */
+ if (unlikely(cfg == 0))
+ return -ENODEV;
+
+ for (i = 0; i < SRDS_MAX_LANES; i++) {
+ if (serdes_get_prtcl(sd, cfg, i) == device)
+ return i;
+ }
+
+ return -ENODEV;
+}
+
+u64 serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ u64 serdes_prtcl_map = 0;
+ u32 cfg;
+ int lane;
+
+ cfg = in_be32(&gur->rcwsr[4]) & sd_prctl_mask;
+ cfg >>= sd_prctl_shift;
+ printf("Using SERDES%d Protocol: %d (0x%x)\n", sd + 1, cfg, cfg);
+
+ if (!is_serdes_prtcl_valid(sd, cfg))
+ printf("SERDES%d[PRTCL] = 0x%x is not valid\n", sd + 1, cfg);
+
+ for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
+ enum srds_prtcl lane_prtcl = serdes_get_prtcl(sd, cfg, lane);
+
+ serdes_prtcl_map |= (1ULL << lane_prtcl);
+ }
+
+ /* Set the first bit to indicate serdes has been initialized */
+ serdes_prtcl_map |= (1ULL << NONE);
+
+ return serdes_prtcl_map;
+}
+
+void fsl_serdes_init(void)
+{
+#ifdef CONFIG_SYS_FSL_SRDS_1
+ if (!(serdes1_prtcl_map & (1ULL << NONE)))
+ serdes1_prtcl_map = serdes_init(FSL_SRDS_1,
+ CONFIG_SYS_FSL_SERDES_ADDR,
+ RCWSR4_SRDS1_PRTCL_MASK,
+ RCWSR4_SRDS1_PRTCL_SHIFT);
+#endif
+#ifdef CONFIG_SYS_FSL_SRDS_2
+ if (!(serdes2_prtcl_map & (1ULL << NONE)))
+ serdes2_prtcl_map = serdes_init(FSL_SRDS_2,
+ CONFIG_SYS_FSL_SERDES_ADDR +
+ FSL_SRDS_2 * 0x1000,
+ RCWSR4_SRDS2_PRTCL_MASK,
+ RCWSR4_SRDS2_PRTCL_SHIFT);
+#endif
+}
+
+const char *serdes_clock_to_string(u32 clock)
+{
+ switch (clock) {
+ case SRDS_PLLCR0_RFCK_SEL_100:
+ return "100";
+ case SRDS_PLLCR0_RFCK_SEL_125:
+ return "125";
+ default:
+ return "100";
+ }
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_ls1_serdes.h b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_ls1_serdes.h
new file mode 100644
index 000000000..7382aef8e
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/fsl_ls1_serdes.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#ifndef __FSL_LS1_SERDES_H
+#define __FSL_LS1_SERDES_H
+
+int is_serdes_prtcl_valid(int serdes, u32 prtcl);
+int serdes_lane_enabled(int lane);
+#endif /* __FSL_LS1_SERDES_H */
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
new file mode 100644
index 000000000..28a794520
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
@@ -0,0 +1,246 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ * Author: Hongbo Zhang <hongbo.zhang@nxp.com>
+ * This file implements LS102X platform PSCI SYSTEM-SUSPEND function
+ */
+
+#include <config.h>
+#include <cpu_func.h>
+#include <asm/io.h>
+#include <asm/psci.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <fsl_immap.h>
+#include "fsl_epu.h"
+
+#define __secure __section("._secure.text")
+
+#define CCSR_GICD_CTLR 0x1000
+#define CCSR_GICC_CTLR 0x2000
+#define DCSR_RCPM_CG1CR0 0x31c
+#define DCSR_RCPM_CSTTACR0 0xb00
+#define DCFG_CRSTSR_WDRFR 0x8
+#define DDR_RESV_LEN 128
+
+#ifdef CONFIG_LS1_DEEP_SLEEP
+/*
+ * DDR controller initialization training breaks the first 128 bytes of DDR,
+ * save them so that the bootloader can restore them while resuming.
+ */
+static void __secure ls1_save_ddr_head(void)
+{
+ const char *src = (const char *)CONFIG_SYS_SDRAM_BASE;
+ char *dest = (char *)(OCRAM_BASE_S_ADDR + OCRAM_S_SIZE - DDR_RESV_LEN);
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
+ int i;
+
+ out_le32(&scfg->sparecr[2], dest);
+
+ for (i = 0; i < DDR_RESV_LEN; i++)
+ *dest++ = *src++;
+}
+
+static void __secure ls1_fsm_setup(void)
+{
+ void *dcsr_epu_base = (void *)(CONFIG_SYS_DCSRBAR + EPU_BLOCK_OFFSET);
+ void *dcsr_rcpm_base = (void *)SYS_FSL_DCSR_RCPM_ADDR;
+
+ out_be32(dcsr_rcpm_base + DCSR_RCPM_CSTTACR0, 0x00001001);
+ out_be32(dcsr_rcpm_base + DCSR_RCPM_CG1CR0, 0x00000001);
+
+ fsl_epu_setup((void *)dcsr_epu_base);
+
+ /* Pull MCKE signal low before enabling deep sleep signal in FPGA */
+ out_be32(dcsr_epu_base + EPECR0, 0x5);
+ out_be32(dcsr_epu_base + EPSMCR15, 0x76300000);
+}
+
+static void __secure ls1_deepsleep_irq_cfg(void)
+{
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
+ struct ccsr_rcpm __iomem *rcpm = (void *)CONFIG_SYS_FSL_RCPM_ADDR;
+ u32 ippdexpcr0, ippdexpcr1, pmcintecr = 0;
+
+ /* Mask interrupts from GIC */
+ out_be32(&rcpm->nfiqoutr, 0x0ffffffff);
+ out_be32(&rcpm->nirqoutr, 0x0ffffffff);
+ /* Mask deep sleep wake-up interrupts while entering deep sleep */
+ out_be32(&rcpm->dsimskr, 0x0ffffffff);
+
+ ippdexpcr0 = in_be32(&rcpm->ippdexpcr0);
+ /*
+ * Workaround of errata A-008646
+ * Errata states that read to register ippdexpcr1 always returns
+ * zero irrespective of what value is written into it. So its value
+ * is first saved to a spare register and then read from it
+ */
+ ippdexpcr1 = in_be32(&scfg->sparecr[7]);
+
+ /*
+ * To allow OCRAM to be used as wakeup source in deep sleep,
+ * do not power it down.
+ */
+ out_be32(&rcpm->ippdexpcr1, ippdexpcr1 | RCPM_IPPDEXPCR1_OCRAM1);
+
+ if (ippdexpcr0 & RCPM_IPPDEXPCR0_ETSEC)
+ pmcintecr |= SCFG_PMCINTECR_ETSECRXG0 |
+ SCFG_PMCINTECR_ETSECRXG1 |
+ SCFG_PMCINTECR_ETSECERRG0 |
+ SCFG_PMCINTECR_ETSECERRG1;
+
+ if (ippdexpcr0 & RCPM_IPPDEXPCR0_GPIO)
+ pmcintecr |= SCFG_PMCINTECR_GPIO;
+
+ if (ippdexpcr1 & RCPM_IPPDEXPCR1_LPUART)
+ pmcintecr |= SCFG_PMCINTECR_LPUART;
+
+ if (ippdexpcr1 & RCPM_IPPDEXPCR1_FLEXTIMER)
+ pmcintecr |= SCFG_PMCINTECR_FTM;
+
+ /* Always set external IRQ pins as wakeup source */
+ pmcintecr |= SCFG_PMCINTECR_IRQ0 | SCFG_PMCINTECR_IRQ1;
+
+ out_be32(&scfg->pmcintlecr, 0);
+ /* Clear PMC interrupt status */
+ out_be32(&scfg->pmcintsr, 0xffffffff);
+ /* Enable wakeup interrupt during deep sleep */
+ out_be32(&scfg->pmcintecr, pmcintecr);
+}
+
+static void __secure ls1_delay(unsigned int loop)
+{
+ while (loop--) {
+ int i = 1000;
+ while (i--)
+ ;
+ }
+}
+
+static void __secure ls1_start_fsm(void)
+{
+ void *dcsr_epu_base = (void *)(CONFIG_SYS_DCSRBAR + EPU_BLOCK_OFFSET);
+ void *ccsr_gic_base = (void *)SYS_FSL_GIC_ADDR;
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
+ struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
+
+ /* Set HRSTCR */
+ setbits_be32(&scfg->hrstcr, 0x80000000);
+
+ /* Place DDR controller in self refresh mode */
+ setbits_be32(&ddr->sdram_cfg_2, 0x80000000);
+
+ ls1_delay(2000);
+
+ /* Set EVT4_B to lock the signal MCKE down */
+ out_be32(dcsr_epu_base + EPECR0, 0x0);
+
+ ls1_delay(2000);
+
+ out_be32(ccsr_gic_base + CCSR_GICD_CTLR, 0x0);
+ out_be32(ccsr_gic_base + CCSR_GICC_CTLR, 0x0);
+
+ /* Enable all EPU Counters */
+ setbits_be32(dcsr_epu_base + EPGCR, 0x80000000);
+
+ /* Enable SCU15 */
+ setbits_be32(dcsr_epu_base + EPECR15, 0x90000004);
+
+ /* Enter WFI mode, and EPU FSM will start */
+ __asm__ __volatile__ ("wfi" : : : "memory");
+
+ /* NEVER ENTER HERE */
+ while (1)
+ ;
+}
+
+static void __secure ls1_deep_sleep(u32 entry_point)
+{
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
+ struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+ struct ccsr_rcpm __iomem *rcpm = (void *)CONFIG_SYS_FSL_RCPM_ADDR;
+#ifdef QIXIS_BASE
+ u32 tmp;
+ void *qixis_base = (void *)QIXIS_BASE;
+#endif
+
+ /* Enable cluster to enter the PCL10 state */
+ out_be32(&scfg->clusterpmcr, SCFG_CLUSTERPMCR_WFIL2EN);
+
+ /* Save the first 128 bytes of DDR data */
+ ls1_save_ddr_head();
+
+ /* Save the kernel resume entry */
+ out_le32(&scfg->sparecr[3], entry_point);
+
+ /* Request to put cluster 0 in PCL10 state */
+ setbits_be32(&rcpm->clpcl10setr, RCPM_CLPCL10SETR_C0);
+
+ /* Setup the registers of the EPU FSM for deep sleep */
+ ls1_fsm_setup();
+
+#ifdef QIXIS_BASE
+ /* Connect the EVENT button to IRQ in FPGA */
+ tmp = in_8(qixis_base + QIXIS_CTL_SYS);
+ tmp &= ~QIXIS_CTL_SYS_EVTSW_MASK;
+ tmp |= QIXIS_CTL_SYS_EVTSW_IRQ;
+ out_8(qixis_base + QIXIS_CTL_SYS, tmp);
+
+ /* Enable deep sleep signals in FPGA */
+ tmp = in_8(qixis_base + QIXIS_PWR_CTL2);
+ tmp |= QIXIS_PWR_CTL2_PCTL;
+ out_8(qixis_base + QIXIS_PWR_CTL2, tmp);
+
+ /* Pull down PCIe RST# */
+ tmp = in_8(qixis_base + QIXIS_RST_FORCE_3);
+ tmp |= QIXIS_RST_FORCE_3_PCIESLOT1;
+ out_8(qixis_base + QIXIS_RST_FORCE_3, tmp);
+#endif
+
+ /* Enable Warm Device Reset */
+ setbits_be32(&scfg->dpslpcr, SCFG_DPSLPCR_WDRR_EN);
+ setbits_be32(&gur->crstsr, DCFG_CRSTSR_WDRFR);
+
+ /* Disable QE */
+ setbits_be32(&gur->devdisr, CCSR_DEVDISR1_QE);
+
+ ls1_deepsleep_irq_cfg();
+
+ psci_v7_flush_dcache_all();
+
+ ls1_start_fsm();
+}
+
+#else
+static void __secure ls1_sleep(void)
+{
+ struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
+ struct ccsr_rcpm __iomem *rcpm = (void *)CONFIG_SYS_FSL_RCPM_ADDR;
+
+#ifdef QIXIS_BASE
+ u32 tmp;
+ void *qixis_base = (void *)QIXIS_BASE;
+
+ /* Connect the EVENT button to IRQ in FPGA */
+ tmp = in_8(qixis_base + QIXIS_CTL_SYS);
+ tmp &= ~QIXIS_CTL_SYS_EVTSW_MASK;
+ tmp |= QIXIS_CTL_SYS_EVTSW_IRQ;
+ out_8(qixis_base + QIXIS_CTL_SYS, tmp);
+#endif
+
+ /* Enable cluster to enter the PCL10 state */
+ out_be32(&scfg->clusterpmcr, SCFG_CLUSTERPMCR_WFIL2EN);
+
+ setbits_be32(&rcpm->powmgtcsr, RCPM_POWMGTCSR_LPM20_REQ);
+
+ __asm__ __volatile__ ("wfi" : : : "memory");
+}
+#endif
+
+void __secure ls1_system_suspend(u32 fn, u32 entry_point, u32 context_id)
+{
+#ifdef CONFIG_LS1_DEEP_SLEEP
+ ls1_deep_sleep(entry_point);
+#else
+ ls1_sleep();
+#endif
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_serdes.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_serdes.c
new file mode 100644
index 000000000..8c030be8b
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/ls102xa_serdes.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <asm/arch/fsl_serdes.h>
+#include <asm/arch/immap_ls102xa.h>
+
+static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
+ [0x00] = {PCIE1, PCIE1, PCIE1, PCIE1},
+ [0x10] = {PCIE1, SATA1, PCIE2, PCIE2},
+ [0x20] = {PCIE1, SGMII_TSEC1, PCIE2, SGMII_TSEC2},
+ [0x30] = {PCIE1, SATA1, SGMII_TSEC1, SGMII_TSEC2},
+ [0x40] = {PCIE1, PCIE1, SATA1, SGMII_TSEC2},
+ [0x50] = {PCIE1, PCIE1, PCIE2, SGMII_TSEC2},
+ [0x60] = {PCIE1, PCIE1, SGMII_TSEC1, SGMII_TSEC2},
+ [0x70] = {PCIE1, SATA1, PCIE2, SGMII_TSEC2},
+ [0x80] = {PCIE2, PCIE2, PCIE2, PCIE2},
+};
+
+enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
+{
+ return serdes_cfg_tbl[cfg][lane];
+}
+
+int is_serdes_prtcl_valid(int serdes, u32 prtcl)
+{
+ int i;
+
+ if (prtcl >= ARRAY_SIZE(serdes_cfg_tbl))
+ return 0;
+
+ for (i = 0; i < SRDS_MAX_LANES; i++) {
+ if (serdes_cfg_tbl[prtcl][i] != NONE)
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/psci.S b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/psci.S
new file mode 100644
index 000000000..531cfb033
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/psci.S
@@ -0,0 +1,257 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ * Author: Wang Dongsheng <dongsheng.wang@freescale.com>
+ */
+
+#include <config.h>
+#include <linux/linkage.h>
+
+#include <asm/armv7.h>
+#include <asm/arch-armv7/generictimer.h>
+#include <asm/psci.h>
+
+#define RCPM_TWAITSR 0x04C
+
+#define SCFG_CORE0_SFT_RST 0x130
+#define SCFG_CORESRENCR 0x204
+
+#define DCFG_CCSR_RSTCR 0x0B0
+#define DCFG_CCSR_RSTCR_RESET_REQ 0x2
+#define DCFG_CCSR_BRR 0x0E4
+#define DCFG_CCSR_SCRATCHRW1 0x200
+
+#define PSCI_FN_PSCI_VERSION_FEATURE_MASK 0x0
+#define PSCI_FN_CPU_SUSPEND_FEATURE_MASK 0x0
+#define PSCI_FN_CPU_OFF_FEATURE_MASK 0x0
+#define PSCI_FN_CPU_ON_FEATURE_MASK 0x0
+#define PSCI_FN_AFFINITY_INFO_FEATURE_MASK 0x0
+#define PSCI_FN_SYSTEM_OFF_FEATURE_MASK 0x0
+#define PSCI_FN_SYSTEM_RESET_FEATURE_MASK 0x0
+#define PSCI_FN_SYSTEM_SUSPEND_FEATURE_MASK 0x0
+
+ .pushsection ._secure.text, "ax"
+
+ .arch_extension sec
+
+ .align 5
+
+#define ONE_MS (COUNTER_FREQUENCY / 1000)
+#define RESET_WAIT (30 * ONE_MS)
+
+.globl psci_version
+psci_version:
+ movw r0, #0
+ movt r0, #1
+
+ bx lr
+
+_ls102x_psci_supported_table:
+ .word ARM_PSCI_0_2_FN_PSCI_VERSION
+ .word PSCI_FN_PSCI_VERSION_FEATURE_MASK
+ .word ARM_PSCI_0_2_FN_CPU_SUSPEND
+ .word PSCI_FN_CPU_SUSPEND_FEATURE_MASK
+ .word ARM_PSCI_0_2_FN_CPU_OFF
+ .word PSCI_FN_CPU_OFF_FEATURE_MASK
+ .word ARM_PSCI_0_2_FN_CPU_ON
+ .word PSCI_FN_CPU_ON_FEATURE_MASK
+ .word ARM_PSCI_0_2_FN_AFFINITY_INFO
+ .word PSCI_FN_AFFINITY_INFO_FEATURE_MASK
+ .word ARM_PSCI_0_2_FN_SYSTEM_OFF
+ .word PSCI_FN_SYSTEM_OFF_FEATURE_MASK
+ .word ARM_PSCI_0_2_FN_SYSTEM_RESET
+ .word PSCI_FN_SYSTEM_RESET_FEATURE_MASK
+ .word ARM_PSCI_1_0_FN_SYSTEM_SUSPEND
+ .word PSCI_FN_SYSTEM_SUSPEND_FEATURE_MASK
+ .word 0
+ .word ARM_PSCI_RET_NI
+
+.globl psci_features
+psci_features:
+ adr r2, _ls102x_psci_supported_table
+1: ldr r3, [r2]
+ cmp r3, #0
+ beq out_psci_features
+ cmp r1, r3
+ addne r2, r2, #8
+ bne 1b
+
+out_psci_features:
+ ldr r0, [r2, #4]
+ bx lr
+
+@ r0: return value ARM_PSCI_RET_SUCCESS or ARM_PSCI_RET_INVAL
+@ r1: input target CPU ID in MPIDR format, original value in r1 may be dropped
+@ r4: output validated CPU ID if ARM_PSCI_RET_SUCCESS returns, meaningless for
+@ ARM_PSCI_RET_INVAL,suppose caller saves r4 before calling
+LENTRY(psci_check_target_cpu_id)
+ @ Get the real CPU number
+ and r4, r1, #0xff
+ mov r0, #ARM_PSCI_RET_INVAL
+
+ @ Bit[31:24], bits must be zero.
+ tst r1, #0xff000000
+ bxne lr
+
+ @ Affinity level 2 - Cluster: only one cluster in LS1021xa.
+ tst r1, #0xff0000
+ bxne lr
+
+ @ Affinity level 1 - Processors: should be in 0xf00 format.
+ lsr r1, r1, #8
+ teq r1, #0xf
+ bxne lr
+
+ @ Affinity level 0 - CPU: only 0, 1 are valid in LS1021xa.
+ cmp r4, #2
+ bxge lr
+
+ mov r0, #ARM_PSCI_RET_SUCCESS
+ bx lr
+ENDPROC(psci_check_target_cpu_id)
+
+ @ r1 = target CPU
+ @ r2 = target PC
+.globl psci_cpu_on
+psci_cpu_on:
+ push {r4, r5, r6, lr}
+
+ @ Clear and Get the correct CPU number
+ @ r1 = 0xf01
+ bl psci_check_target_cpu_id
+ cmp r0, #ARM_PSCI_RET_INVAL
+ beq out_psci_cpu_on
+
+ mov r0, r4
+ mov r1, r2
+ mov r2, r3
+ bl psci_save
+ mov r1, r4
+
+ @ Get DCFG base address
+ movw r4, #(CONFIG_SYS_FSL_GUTS_ADDR & 0xffff)
+ movt r4, #(CONFIG_SYS_FSL_GUTS_ADDR >> 16)
+
+ @ Detect target CPU state
+ ldr r2, [r4, #DCFG_CCSR_BRR]
+ rev r2, r2
+ lsr r2, r2, r1
+ ands r2, r2, #1
+ beq holdoff_release
+
+ @ Reset target CPU
+ @ Get SCFG base address
+ movw r0, #(CONFIG_SYS_FSL_SCFG_ADDR & 0xffff)
+ movt r0, #(CONFIG_SYS_FSL_SCFG_ADDR >> 16)
+
+ @ Enable CORE Soft Reset
+ movw r5, #0
+ movt r5, #(1 << 15)
+ rev r5, r5
+ str r5, [r0, #SCFG_CORESRENCR]
+
+ @ Get CPUx offset register
+ mov r6, #0x4
+ mul r6, r6, r1
+ add r2, r0, r6
+
+ @ Do reset on target CPU
+ movw r5, #0
+ movt r5, #(1 << 15)
+ rev r5, r5
+ str r5, [r2, #SCFG_CORE0_SFT_RST]
+
+ @ Wait target CPU up
+ timer_wait r2, RESET_WAIT
+
+ @ Disable CORE soft reset
+ mov r5, #0
+ str r5, [r0, #SCFG_CORESRENCR]
+
+holdoff_release:
+ @ Release on target CPU
+ ldr r2, [r4, #DCFG_CCSR_BRR]
+ mov r6, #1
+ lsl r6, r6, r1 @ 32 bytes per CPU
+
+ rev r6, r6
+ orr r2, r2, r6
+ str r2, [r4, #DCFG_CCSR_BRR]
+
+ @ Set secondary boot entry
+ ldr r6, =psci_cpu_entry
+ rev r6, r6
+ str r6, [r4, #DCFG_CCSR_SCRATCHRW1]
+
+ isb
+ dsb
+
+ @ Return
+ mov r0, #ARM_PSCI_RET_SUCCESS
+
+out_psci_cpu_on:
+ pop {r4, r5, r6, lr}
+ bx lr
+
+.globl psci_cpu_off
+psci_cpu_off:
+ bl psci_cpu_off_common
+
+1: wfi
+ b 1b
+
+.globl psci_affinity_info
+psci_affinity_info:
+ push {lr}
+
+ mov r0, #ARM_PSCI_RET_INVAL
+
+ @ Verify Affinity level
+ cmp r2, #0
+ bne out_affinity_info
+
+ bl psci_check_target_cpu_id
+ cmp r0, #ARM_PSCI_RET_INVAL
+ beq out_affinity_info
+ mov r1, r4
+
+ @ Get RCPM base address
+ movw r4, #(CONFIG_SYS_FSL_RCPM_ADDR & 0xffff)
+ movt r4, #(CONFIG_SYS_FSL_RCPM_ADDR >> 16)
+
+ mov r0, #PSCI_AFFINITY_LEVEL_ON
+
+ @ Detect target CPU state
+ ldr r2, [r4, #RCPM_TWAITSR]
+ rev r2, r2
+ lsr r2, r2, r1
+ ands r2, r2, #1
+ beq out_affinity_info
+
+ mov r0, #PSCI_AFFINITY_LEVEL_OFF
+
+out_affinity_info:
+ pop {pc}
+
+.globl psci_system_reset
+psci_system_reset:
+ @ Get DCFG base address
+ movw r1, #(CONFIG_SYS_FSL_GUTS_ADDR & 0xffff)
+ movt r1, #(CONFIG_SYS_FSL_GUTS_ADDR >> 16)
+
+ mov r2, #DCFG_CCSR_RSTCR_RESET_REQ
+ rev r2, r2
+ str r2, [r1, #DCFG_CCSR_RSTCR]
+
+1: wfi
+ b 1b
+
+.globl psci_system_suspend
+psci_system_suspend:
+ push {lr}
+
+ bl ls1_system_suspend
+
+ pop {pc}
+
+ .popsection
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c
new file mode 100644
index 000000000..8a95ee86a
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c
@@ -0,0 +1,242 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <log.h>
+#include <asm/arch/clock.h>
+#include <asm/io.h>
+#include <asm/arch/fsl_serdes.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <asm/arch/ls102xa_soc.h>
+#include <asm/arch/ls102xa_stream_id.h>
+#include <fsl_csu.h>
+#include <fsl_ddr_sdram.h>
+
+struct liodn_id_table sec_liodn_tbl[] = {
+ SET_SEC_JR_LIODN_ENTRY(0, 0x10, 0x10),
+ SET_SEC_JR_LIODN_ENTRY(1, 0x10, 0x10),
+ SET_SEC_JR_LIODN_ENTRY(2, 0x10, 0x10),
+ SET_SEC_JR_LIODN_ENTRY(3, 0x10, 0x10),
+ SET_SEC_RTIC_LIODN_ENTRY(a, 0x10),
+ SET_SEC_RTIC_LIODN_ENTRY(b, 0x10),
+ SET_SEC_RTIC_LIODN_ENTRY(c, 0x10),
+ SET_SEC_RTIC_LIODN_ENTRY(d, 0x10),
+ SET_SEC_DECO_LIODN_ENTRY(0, 0x10, 0x10),
+ SET_SEC_DECO_LIODN_ENTRY(1, 0x10, 0x10),
+ SET_SEC_DECO_LIODN_ENTRY(2, 0x10, 0x10),
+ SET_SEC_DECO_LIODN_ENTRY(3, 0x10, 0x10),
+ SET_SEC_DECO_LIODN_ENTRY(4, 0x10, 0x10),
+ SET_SEC_DECO_LIODN_ENTRY(5, 0x10, 0x10),
+ SET_SEC_DECO_LIODN_ENTRY(6, 0x10, 0x10),
+ SET_SEC_DECO_LIODN_ENTRY(7, 0x10, 0x10),
+};
+
+struct smmu_stream_id dev_stream_id[] = {
+ { 0x100, 0x01, "ETSEC MAC1" },
+ { 0x104, 0x02, "ETSEC MAC2" },
+ { 0x108, 0x03, "ETSEC MAC3" },
+ { 0x10c, 0x04, "PEX1" },
+ { 0x110, 0x05, "PEX2" },
+ { 0x114, 0x06, "qDMA" },
+ { 0x118, 0x07, "SATA" },
+ { 0x11c, 0x08, "USB3" },
+ { 0x120, 0x09, "QE" },
+ { 0x124, 0x0a, "eSDHC" },
+ { 0x128, 0x0b, "eMA" },
+ { 0x14c, 0x0c, "2D-ACE" },
+ { 0x150, 0x0d, "USB2" },
+ { 0x18c, 0x0e, "DEBUG" },
+};
+
+unsigned int get_soc_major_rev(void)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ unsigned int svr, major;
+
+ svr = in_be32(&gur->svr);
+ major = SVR_MAJ(svr);
+
+ return major;
+}
+
+static void erratum_a009008(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A009008
+ u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
+
+ clrsetbits_be32(scfg + SCFG_USB3PRM1CR / 4,
+ 0xF << 6,
+ SCFG_USB_TXVREFTUNE << 6);
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
+}
+
+static void erratum_a009798(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A009798
+ u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
+
+ clrbits_be32(scfg + SCFG_USB3PRM1CR / 4,
+ SCFG_USB_SQRXTUNE_MASK << 23);
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
+}
+
+static void erratum_a008997(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008997
+ u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
+
+ clrsetbits_be32(scfg + SCFG_USB3PRM2CR / 4,
+ SCFG_USB_PCSTXSWINGFULL_MASK,
+ SCFG_USB_PCSTXSWINGFULL_VAL);
+#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
+}
+
+static void erratum_a009007(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A009007
+ void __iomem *usb_phy = (void __iomem *)USB_PHY_BASE;
+
+ out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1);
+ out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2);
+ out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3);
+ out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4);
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
+}
+
+static void erratum_a008850_early(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008850
+ /* part 1 of 2 */
+ struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
+ CONFIG_SYS_CCI400_OFFSET);
+ struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
+
+ /* disables propagation of barrier transactions to DDRC from CCI400 */
+ out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
+
+ /* disable the re-ordering in DDRC */
+ out_be32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
+#endif
+}
+
+void erratum_a008850_post(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008850
+ /* part 2 of 2 */
+ struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
+ CONFIG_SYS_CCI400_OFFSET);
+ struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
+ u32 tmp;
+
+ /* enable propagation of barrier transactions to DDRC from CCI400 */
+ out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
+
+ /* enable the re-ordering in DDRC */
+ tmp = in_be32(&ddr->eor);
+ tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
+ out_be32(&ddr->eor, tmp);
+#endif
+}
+
+void s_init(void)
+{
+}
+
+#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
+void erratum_a010315(void)
+{
+ int i;
+
+ for (i = PCIE1; i <= PCIE2; i++)
+ if (!is_serdes_configured(i)) {
+ debug("PCIe%d: disabled all R/W permission!\n", i);
+ set_pcie_ns_access(i, 0);
+ }
+}
+#endif
+
+int arch_soc_init(void)
+{
+ struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
+ struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
+ CONFIG_SYS_CCI400_OFFSET);
+ unsigned int major;
+
+#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
+ enable_layerscape_ns_access();
+#endif
+
+#ifdef CONFIG_FSL_QSPI
+ out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
+#endif
+
+#ifdef CONFIG_VIDEO_FSL_DCU_FB
+ out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
+#endif
+
+ /* Configure Little endian for SAI, ASRC and SPDIF */
+ out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
+
+ /*
+ * Enable snoop requests and DVM message requests for
+ * All the slave insterfaces.
+ */
+ out_le32(&cci->slave[0].snoop_ctrl,
+ CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
+ out_le32(&cci->slave[1].snoop_ctrl,
+ CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
+ out_le32(&cci->slave[2].snoop_ctrl,
+ CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
+ out_le32(&cci->slave[4].snoop_ctrl,
+ CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
+
+ major = get_soc_major_rev();
+ if (major == SOC_MAJOR_VER_1_0) {
+ /*
+ * Set CCI-400 Slave interface S1, S2 Shareable Override
+ * Register All transactions are treated as non-shareable
+ */
+ out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
+ out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
+ }
+
+ /* Enable all the snoop signal for various masters */
+ out_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR |
+ SCFG_SNPCNFGCR_DCU_RD_WR |
+ SCFG_SNPCNFGCR_SATA_RD_WR |
+ SCFG_SNPCNFGCR_USB3_RD_WR |
+ SCFG_SNPCNFGCR_DBG_RD_WR |
+ SCFG_SNPCNFGCR_EDMA_SNP);
+
+ /*
+ * Memory controller require a register write before being enabled.
+ * Affects: DDR
+ * Register: EDDRTQCFG
+ * Description: Memory controller performance is not optimal with
+ * default internal target queue register values.
+ * Workaround: Write a value of 63b2_0042h to address: 157_020Ch.
+ */
+ out_be32(&scfg->eddrtqcfg, 0x63b20042);
+
+ /* Erratum */
+ erratum_a008850_early();
+ erratum_a009008();
+ erratum_a009798();
+ erratum_a008997();
+ erratum_a009007();
+
+ return 0;
+}
+
+int ls102xa_smmu_stream_id_init(void)
+{
+ ls1021x_config_caam_stream_id(sec_liodn_tbl,
+ ARRAY_SIZE(sec_liodn_tbl));
+
+ ls102xa_config_smmu_stream_id(dev_stream_id,
+ ARRAY_SIZE(dev_stream_id));
+
+ return 0;
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/spl.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/spl.c
new file mode 100644
index 000000000..308536c33
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/spl.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <spl.h>
+
+u32 spl_boot_device(void)
+{
+#ifdef CONFIG_SPL_MMC_SUPPORT
+ return BOOT_DEVICE_MMC1;
+#endif
+ return BOOT_DEVICE_NAND;
+}
diff --git a/roms/u-boot/arch/arm/cpu/armv7/ls102xa/timer.c b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/timer.c
new file mode 100644
index 000000000..d79bf105f
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/ls102xa/timer.c
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <time.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <div64.h>
+#include <asm/arch/immap_ls102xa.h>
+#include <asm/arch/clock.h>
+#include <linux/delay.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * This function is intended for SHORT delays only.
+ * It will overflow at around 10 seconds @ 400MHz,
+ * or 20 seconds @ 200MHz.
+ */
+unsigned long usec2ticks(unsigned long usec)
+{
+ ulong ticks;
+
+ if (usec < 1000)
+ ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000;
+ else
+ ticks = ((usec / 10) * (get_tbclk() / 100000));
+
+ return ticks;
+}
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+ unsigned long freq;
+
+ asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (freq));
+
+ tick *= CONFIG_SYS_HZ;
+ do_div(tick, freq);
+
+ return tick;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long usec)
+{
+ unsigned long freq;
+
+ asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (freq));
+
+ usec = usec * freq + 999999;
+ do_div(usec, 1000000);
+
+ return usec;
+}
+
+int timer_init(void)
+{
+ struct sctr_regs *sctr = (struct sctr_regs *)SCTR_BASE_ADDR;
+ unsigned long ctrl, freq;
+ unsigned long long val;
+
+ /* Enable System Counter */
+ writel(SYS_COUNTER_CTRL_ENABLE, &sctr->cntcr);
+
+ freq = COUNTER_FREQUENCY;
+ asm("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq));
+
+ /* Set PL1 Physical Timer Ctrl */
+ ctrl = ARCH_TIMER_CTRL_ENABLE;
+ asm("mcr p15, 0, %0, c14, c2, 1" : : "r" (ctrl));
+
+ /* Set PL1 Physical Comp Value */
+ val = TIMER_COMP_VAL;
+ asm("mcrr p15, 2, %Q0, %R0, c14" : : "r" (val));
+
+ gd->arch.tbl = 0;
+ gd->arch.tbu = 0;
+
+ return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+ unsigned long long now;
+
+ asm("mrrc p15, 0, %Q0, %R0, c14" : "=r" (now));
+
+ gd->arch.tbl = (unsigned long)(now & 0xffffffff);
+ gd->arch.tbu = (unsigned long)(now >> 32);
+
+ return now;
+}
+
+unsigned long get_timer(ulong base)
+{
+ return tick_to_time(get_ticks()) - base;
+}
+
+/* delay x useconds and preserve advance timstamp value */
+void __udelay(unsigned long usec)
+{
+ unsigned long long start;
+ unsigned long tmo;
+
+ start = get_ticks(); /* get current timestamp */
+ tmo = us_to_tick(usec); /* convert usecs to ticks */
+
+ while ((get_ticks() - start) < tmo)
+ ; /* loop till time has passed */
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+unsigned long get_tbclk(void)
+{
+ unsigned long freq;
+
+ asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (freq));
+
+ return freq;
+}