zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/boot/common/src/uboot/arch/arm/lib/board.c b/boot/common/src/uboot/arch/arm/lib/board.c
new file mode 100755
index 0000000..6a2f577
--- /dev/null
+++ b/boot/common/src/uboot/arch/arm/lib/board.c
@@ -0,0 +1,417 @@
+/*
+ * (C) Copyright 2016, ZIXC Corporation.
+ *
+ * (C) Copyright 2002-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ */
+#include <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <stdio_dev.h>
+#include <version.h>
+#include <net.h>
+#include <serial.h>
+#include <nand.h>
+#include <onenand_uboot.h>
+#include <mmc.h>
+#include <timer.h>
+#include <asm/arch/lsp_crpm.h>
+#include <asm/arch/cpu.h>
+#include <config.h>
+#include <drvs_gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+ulong monitor_flash_len;
+
+#if defined(CONFIG_HARD_I2C) || \
+ defined(CONFIG_SOFT_I2C)
+#include <i2c.h>
+#endif
+
+/*
+ ************************************************************************
+ * Init Utilities *
+ ************************************************************************
+ * Some of this code should be moved into the core functions,
+ * or dropped completely,
+ * but let's get it working (again) first...
+ */
+
+#if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE)
+#define CONFIG_BAUDRATE 115200
+#endif
+static int init_baudrate(void)
+{
+ char tmp[64]; /* long enough for environment variables */
+ int i = getenv_f("baudrate", tmp, sizeof(tmp));
+
+ gd->baudrate = (i > 0)
+ ? (int) simple_strtoul(tmp, NULL, 10)
+ : CONFIG_BAUDRATE;
+
+ return (0);
+}
+
+static int display_banner(void)
+{
+ printf("\n\n%s\n\n", version_string);
+ debug("U-Boot code: 0x%08lX -> 0x%08lX BSS: -> 0x%08lX\n",
+ _TEXT_BASE,
+ _bss_start_ofs + _TEXT_BASE, _bss_end_ofs + _TEXT_BASE);
+#ifdef CONFIG_MODEM_SUPPORT
+ debug("Modem Support enabled\n");
+#endif
+#if CONFIG_USE_IRQ
+ debug("IRQ Stack: 0x%08lx\n", IRQ_STACK_START);
+ debug("FIQ Stack: 0x%08lx\n", FIQ_STACK_START);
+#endif
+
+ return (0);
+}
+
+/*
+ * WARNING: this code looks "cleaner" than the PowerPC version, but
+ * has the disadvantage that you either get nothing, or everything.
+ * On PowerPC, you might see "DRAM: " before the system hangs - which
+ * gives a simple yet clear indication which part of the
+ * initialization if failing.
+ */
+static int display_dram_config(void)
+{
+ int i;
+
+#if DEBUG
+ puts("RAM Configuration:\n");
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ printf("Bank #%d: 0x%08lx ", i, gd->bd->bi_dram[i].start);
+ print_size(gd->bd->bi_dram[i].size, "\n");
+ }
+#else
+ ulong size = 0;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+ size += gd->bd->bi_dram[i].size;
+
+ puts("DRAM: ");
+ print_size(size, "\n");
+#endif
+
+ return (0);
+}
+
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+static int init_func_i2c(void)
+{
+ puts("I2C: ");
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+ puts("ready\n");
+ return (0);
+}
+#endif
+
+
+/*
+ * Breathe some life into the board...
+ *
+ * Initialize a serial port as console, and carry out some hardware
+ * tests.
+ *
+ * The first part of initialization is running from Flash memory;
+ * its main purpose is to initialize the RAM so that we
+ * can relocate the monitor code to RAM.
+ */
+
+typedef int (init_fnc_t) (void);
+
+int print_cpuinfo(void);
+
+/* ================================================================================
+ *
+ */
+void __dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = gd->ram_size;
+}
+
+/* ================================================================================
+ *
+ */
+void dram_init_banksize(void)
+ __attribute__((weak, alias("__dram_init_banksize")));
+
+
+/* ================================================================================
+ *
+ */
+init_fnc_t *init_sequence[] = {
+#if defined(CONFIG_ARCH_CPU_INIT)
+ arch_cpu_init, /* basic arch cpu dependent setup */
+#endif
+#if defined(CONFIG_BOARD_EARLY_INIT_F)
+ board_early_init_f,
+#endif
+ gpio_pad_init2rst,
+ //clk_init,
+ timer_init, /* initialize timer */
+#ifdef CONFIG_FSL_ESDHC
+ get_clocks,
+#endif
+ env_init, /* initialize environment */
+ init_baudrate, /* initialze baudrate settings */
+#if (CONFIG_PRINTF||CONFIG_UART_DL)
+ serial_init, /* serial communications setup */
+#endif
+ console_init_f, /* stage 1 init of console */
+ display_banner, /* say that we are here */
+#if defined(CONFIG_DISPLAY_CPUINFO)
+ print_cpuinfo, /* display cpu info (and speed) */
+#endif
+#if defined(CONFIG_DISPLAY_BOARDINFO)
+ checkboard, /* display board info */
+#endif
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+ init_func_i2c,
+#endif
+ dram_init, /* configure available RAM banks */
+ NULL,
+};
+
+
+/* ================================================================================
+ *
+ */
+void board_init_f(ulong bootflag)
+{
+ bd_t *bd;
+ init_fnc_t **init_fnc_ptr;
+ gd_t *id;
+ ulong addr, addr_sp;
+
+ /* Pointer is writable since we allocated a register for it */
+ gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
+ /* compiler optimization barrier needed for GCC >= 3.4 */
+ __asm__ __volatile__("": : :"memory");
+
+ memset((void *)gd, 0, sizeof(gd_t));
+
+ gd->mon_len = CONFIG_SYS_UBOOT_SIZE; //zhouqi gd->mon_len = _bss_end_ofs;
+
+ for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+ if ((*init_fnc_ptr)() != 0) {
+ hang ();
+ }
+ }
+
+ debug("monitor len: 0x%08lX\n", gd->mon_len);
+ /*
+ * Ram is setup, size stored in gd !!
+ */
+ debug("ramsize: 0x%08lX\n", gd->ram_size);
+
+ addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
+
+//#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
+ /* reserve TLB table */
+ addr -= (4096 * 4);
+
+ /* round down to next 64 kB limit */
+ addr &= ~(0x10000 - 1);
+
+ gd->tlb_addr = addr;
+ debug("TLB table at: 0x%08lx\n", addr);
+//#endif
+
+ /* round down to next 4 kB limit */
+ addr &= ~(4096 - 1);
+ debug("Top of RAM usable for U-Boot at: 0x%08lx\n", addr);
+
+ /*
+ * reserve memory for U-Boot code, data & bss
+ * round down to next 4 kB limit
+ */
+ addr -= gd->mon_len;
+ addr &= ~(4096 - 1);
+
+ debug("Reserving %ldk for U-Boot at: 0x%08lx\n", gd->mon_len >> 10, addr);
+
+ addr_sp = addr - CFG_DENALI_DMA_BUF_SIZE; //zhouqi for nand dma buffer
+ debug("Reserving %dk for nand dma buffer at: 0x%08lx\n", CFG_DENALI_DMA_BUF_SIZE >> 10, addr_sp);
+
+#ifdef CONFIG_LCD //zhouqi exchange with u-boot code
+#ifdef CONFIG_FB_ADDR
+ gd->fb_base = CONFIG_FB_ADDR;
+#else
+ /* reserve memory for LCD display (always full pages) */
+ addr = lcd_setmem(addr);
+ gd->fb_base = addr;
+#endif /* CONFIG_FB_ADDR */
+#endif /* CONFIG_LCD */
+
+#ifndef CONFIG_SPL_BUILD
+ /*
+ * reserve memory for malloc() arena
+ */
+ addr_sp = addr - TOTAL_MALLOC_LEN - CFG_DENALI_DMA_BUF_SIZE; /* zhouqi */
+ debug("Reserving %dk for malloc() at: 0x%08lx\n",
+ TOTAL_MALLOC_LEN >> 10, addr_sp);
+ /*
+ * (permanently) allocate a Board Info struct
+ * and a permanent copy of the "global" data
+ */
+ addr_sp -= sizeof (bd_t);
+ bd = (bd_t *) addr_sp;
+ gd->bd = bd;
+ debug("Reserving %zu Bytes for Board Info at: 0x%08lx\n",
+ sizeof (bd_t), addr_sp);
+
+#ifdef CONFIG_MACH_TYPE
+ gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
+#endif
+
+ addr_sp -= sizeof (gd_t);
+ id = (gd_t *) addr_sp;
+ debug("Reserving %zu Bytes for Global Data at: 0x%08lx\n",
+ sizeof (gd_t), addr_sp);
+
+ /* setup stackpointer for exeptions */
+ gd->irq_sp = addr_sp;
+#if CONFIG_USE_IRQ
+ addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ);
+ debug("Reserving %zu Bytes for IRQ stack at: 0x%08lx\n",
+ CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
+#endif
+ /* leave 3 words for abort-stack */
+ addr_sp -= 12;
+
+ /* 8-byte alignment for ABI compliance */
+ addr_sp &= ~0x07;
+#else //define CONFIG_SPL_BUILD
+ addr_sp += 128; /* leave 32 words for abort-stack */
+ gd->irq_sp = addr_sp;
+#endif
+
+ debug("New Stack Pointer is: 0x%08lx\n", addr_sp);
+
+#ifdef CONFIG_POST
+ post_bootmode_init();
+ post_run(NULL, POST_ROM | post_bootmode_get(0));
+#endif
+
+ gd->bd->bi_baudrate = gd->baudrate;
+ /* Ram ist board specific, so move it to board code ... */
+ dram_init_banksize();
+ display_dram_config(); /* and display it */
+
+ gd->relocaddr = addr;
+ gd->start_addr_sp = addr_sp;
+ gd->reloc_off = addr - _TEXT_BASE;
+ debug("relocation Offset is: 0x%08lx\n", gd->reloc_off);
+ memcpy(id, (void *)gd, sizeof(gd_t));
+
+ relocate_code(addr_sp, id, addr);
+
+ /* NOTREACHED - relocate_code() does not return */
+}
+
+#if !defined(CONFIG_SYS_NO_FLASH)
+static char *failed = "*** failed ***\n";
+#endif
+
+
+
+
+extern void pinmux_reset(void);
+extern void gpio_reset(void);
+extern void pcu_clear_8in1_Int(void);
+
+
+/* ================================================================================
+ *
+ */
+void board_init_r(gd_t *id, ulong dest_addr)
+{
+ char *s;
+ //bd_t *bd;
+ ulong malloc_start;
+ u32 nand_status = 0;
+
+ gd = id;
+ //bd = gd->bd;
+
+ gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
+
+ monitor_flash_len = _end_ofs;
+ //if flash type is nand flash,close I&D cache
+ get_boot_flashtype();
+ if(read_boot_flashtype()==IF_TYPE_NAND)
+ {
+ /* Disable caches */
+ icache_disable();
+ dcache_disable();
+ }
+ else
+ {
+ /* Enable caches */
+ icache_enable();
+ dcache_enable();
+ nand_status = readl(0x1306058);
+ nand_status &= ~(0x7 << 4);
+ writel(nand_status, 0x1306058); /* nand contrl reset, Solve the problems of pull high and self-excited vibration of NAND controller pin. */
+ }
+
+ debug("monitor flash len: 0x%08lX\n", monitor_flash_len);
+ board_init(); /* Setup chipselects */
+
+ debug("Now running in RAM - U-Boot at: 0x%08lX\n", dest_addr);
+
+ /* The Malloc area is immediately below the monitor copy in DRAM */
+ malloc_start = dest_addr - TOTAL_MALLOC_LEN;
+ mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
+
+ /* initialize environment */
+ env_relocate();
+
+ /* IP Address */
+ gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
+
+ stdio_init(); /* get the devices list going. */
+
+ jumptable_init();
+
+ console_init_r(); /* fully init console as a device */
+
+ /* set up exceptions */
+ interrupt_init();
+ /* enable exceptions */
+ enable_interrupts();
+
+ /* Initialize from environment */
+ s = getenv("loadaddr");
+ if (s != NULL)
+ {
+ load_addr = simple_strtoul(s, NULL, 16);
+ }
+
+ //gpio_reset();
+ //pinmux_reset();
+ //pcu_clear_8in1_Int();
+
+ sys_entry();
+
+}
+
+
+void hang(void)
+{
+ puts("### [u-boot] ERROR ### Please RESET the board ###\n");
+ for (;;);
+}
+