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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/freescale/p1010rdb/spl_minimal.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/freescale/p1010rdb/spl_minimal.c')
-rw-r--r-- | roms/u-boot/board/freescale/p1010rdb/spl_minimal.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/p1010rdb/spl_minimal.c b/roms/u-boot/board/freescale/p1010rdb/spl_minimal.c new file mode 100644 index 000000000..989c5b139 --- /dev/null +++ b/roms/u-boot/board/freescale/p1010rdb/spl_minimal.c @@ -0,0 +1,65 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + */ +#include <common.h> +#include <init.h> +#include <mpc85xx.h> +#include <asm/io.h> +#include <ns16550.h> +#include <nand.h> +#include <asm/mmu.h> +#include <asm/immap_85xx.h> +#include <fsl_ddr_sdram.h> +#include <asm/fsl_law.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; + +void board_init_f(ulong bootflag) +{ + u32 plat_ratio; + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + +#if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) + set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); + set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); +#endif + + /* 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((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + gd->bus_clk / 16 / CONFIG_BAUDRATE); + + puts("\nNAND boot... "); + + /* 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) +{ + puts("\nSecond program loader running in sram..."); + nand_boot(); +} + +void putc(char c) +{ + if (c == '\n') + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, '\r'); + + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, c); +} + +void puts(const char *str) +{ + while (*str) + putc(*str++); +} |