summaryrefslogtreecommitdiff
path: root/board/freescale/c29xpcie/spl.c
diff options
context:
space:
mode:
authorStefano Babic <sbabic@denx.de>2014-02-11 12:55:32 +0100
committerStefano Babic <sbabic@denx.de>2014-02-11 12:55:32 +0100
commit17998eff9021b7b579c0387e934d8c52603fe247 (patch)
treeedc3ef069db4cdaf9c718ae60e095caf42cd1d0d /board/freescale/c29xpcie/spl.c
parent6ba45cc0f8b46533965219cfd90864a60ec1009b (diff)
parente97f9d817e600cd6f43d1d0da76f5787e33a5c56 (diff)
downloadu-boot-imx-17998eff9021b7b579c0387e934d8c52603fe247.zip
u-boot-imx-17998eff9021b7b579c0387e934d8c52603fe247.tar.gz
u-boot-imx-17998eff9021b7b579c0387e934d8c52603fe247.tar.bz2
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'board/freescale/c29xpcie/spl.c')
-rw-r--r--board/freescale/c29xpcie/spl.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/board/freescale/c29xpcie/spl.c b/board/freescale/c29xpcie/spl.c
new file mode 100644
index 0000000..3cfdb72
--- /dev/null
+++ b/board/freescale/c29xpcie/spl.c
@@ -0,0 +1,77 @@
+/* Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <ns16550.h>
+#include <malloc.h>
+#include <mmc.h>
+#include <nand.h>
+#include <i2c.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+ulong get_effective_memsize(void)
+{
+ return CONFIG_SYS_L2_SIZE;
+}
+
+void board_init_f(ulong bootflag)
+{
+ u32 plat_ratio;
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+ console_init_f();
+
+ /* initialize selected port with appropriate baud rate */
+ plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
+ plat_ratio >>= 1;
+ gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
+
+ NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+ gd->bus_clk / 16 / CONFIG_BAUDRATE);
+
+ /* copy code to RAM and jump to it - this should not return */
+ /* NOTE - code has to be copied out of NAND buffer before
+ * other blocks can be read.
+ */
+ relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+ /* Pointer is writable since we allocated a register for it */
+ gd = (gd_t *)CONFIG_SPL_GD_ADDR;
+ bd_t *bd;
+
+ memset(gd, 0, sizeof(gd_t));
+ bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t));
+ memset(bd, 0, sizeof(bd_t));
+ gd->bd = bd;
+ bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR;
+ bd->bi_memsize = CONFIG_SYS_L2_SIZE;
+
+ probecpu();
+ get_clocks();
+ mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
+ CONFIG_SPL_RELOC_MALLOC_SIZE);
+
+ /* relocate environment function pointers etc. */
+ nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+ (uchar *)CONFIG_ENV_ADDR);
+ gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
+ gd->env_valid = 1;
+
+ i2c_init_all();
+
+ gd->ram_size = initdram(0);
+
+#ifdef CONFIG_SPL_NAND_BOOT
+ puts("TPL\n");
+#else
+ puts("SPL\n");
+#endif
+
+ nand_boot();
+}