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-rw-r--r--board/freescale/t208xrdb/spl.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/board/freescale/t208xrdb/spl.c b/board/freescale/t208xrdb/spl.c
new file mode 100644
index 00000000000..9ae2b1e863f
--- /dev/null
+++ b/board/freescale/t208xrdb/spl.c
@@ -0,0 +1,107 @@
+/* Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <ns16550.h>
+#include <nand.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <spi_flash.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+phys_size_t get_effective_memsize(void)
+{
+ return CONFIG_SYS_L3_SIZE;
+}
+
+unsigned long get_board_sys_clk(void)
+{
+ return CONFIG_SYS_CLK_FREQ;
+}
+
+unsigned long get_board_ddr_clk(void)
+{
+ return CONFIG_DDR_CLK_FREQ;
+}
+
+void board_init_f(ulong bootflag)
+{
+ u32 plat_ratio, sys_clk, ccb_clk;
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+ /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
+ memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
+
+ /* Update GD pointer */
+ gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
+
+ console_init_f();
+
+ /* initialize selected port with appropriate baud rate */
+ sys_clk = get_board_sys_clk();
+ plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
+ ccb_clk = sys_clk * plat_ratio / 2;
+
+ NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+ ccb_clk / 16 / CONFIG_BAUDRATE);
+
+#if defined(CONFIG_SPL_MMC_BOOT)
+ puts("\nSD boot...\n");
+#elif defined(CONFIG_SPL_SPI_BOOT)
+ puts("\nSPI boot...\n");
+#elif defined(CONFIG_SPL_NAND_BOOT)
+ puts("\nNAND boot...\n");
+#endif
+
+ relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+ bd_t *bd;
+
+ bd = (bd_t *)(gd + sizeof(gd_t));
+ memset(bd, 0, sizeof(bd_t));
+ gd->bd = bd;
+ bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
+ bd->bi_memsize = CONFIG_SYS_L3_SIZE;
+
+ probecpu();
+ get_clocks();
+ mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
+ CONFIG_SPL_RELOC_MALLOC_SIZE);
+
+#ifdef CONFIG_SPL_NAND_BOOT
+ nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+ (uchar *)CONFIG_ENV_ADDR);
+#endif
+#ifdef CONFIG_SPL_MMC_BOOT
+ mmc_initialize(bd);
+ mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+ (uchar *)CONFIG_ENV_ADDR);
+#endif
+#ifdef CONFIG_SPL_SPI_BOOT
+ spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+ (uchar *)CONFIG_ENV_ADDR);
+#endif
+
+ gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
+ gd->env_valid = 1;
+
+ i2c_init_all();
+
+ gd->ram_size = initdram(0);
+
+#ifdef CONFIG_SPL_MMC_BOOT
+ mmc_boot();
+#elif defined(CONFIG_SPL_SPI_BOOT)
+ spi_boot();
+#elif defined(CONFIG_SPL_NAND_BOOT)
+ nand_boot();
+#endif
+}