- Add NAND boot target - defines contants - Add spl_minimal.c to initialise DDR - update TLB entries as per NAND boot
Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com --- Based upon git://git.denx.de/u-boot.git branch master
Changes for v2: Sending as it is Changes for v3: Fix tools/checkpatch errors Changes for v4: Sending as it is
board/freescale/bsc9131rdb/Makefile | 16 ++++ board/freescale/bsc9131rdb/spl_minimal.c | 118 ++++++++++++++++++++++++++++++ board/freescale/bsc9131rdb/tlb.c | 8 +- boards.cfg | 1 + include/configs/BSC9131RDB.h | 49 ++++++++++--- 5 files changed, 177 insertions(+), 15 deletions(-) create mode 100644 board/freescale/bsc9131rdb/spl_minimal.c
diff --git a/board/freescale/bsc9131rdb/Makefile b/board/freescale/bsc9131rdb/Makefile index 6f4cb26..2e829ad 100644 --- a/board/freescale/bsc9131rdb/Makefile +++ b/board/freescale/bsc9131rdb/Makefile @@ -24,12 +24,28 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
+MINIMAL= + +ifdef CONFIG_SPL_BUILD +ifdef CONFIG_SPL_INIT_MINIMAL +MINIMAL=y +endif +endif + +ifdef MINIMAL + +COBJS-y += spl_minimal.o tlb.o law.o + +else + COBJS-y += $(BOARD).o COBJS-y += ddr.o COBJS-y += law.o COBJS-y += tlb.o #COBJS-y += bsc9131rdb_mux.o
+endif + SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(COBJS-y)) SOBJS := $(addprefix $(obj),$(SOBJS)) diff --git a/board/freescale/bsc9131rdb/spl_minimal.c b/board/freescale/bsc9131rdb/spl_minimal.c new file mode 100644 index 0000000..301115e --- /dev/null +++ b/board/freescale/bsc9131rdb/spl_minimal.c @@ -0,0 +1,118 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#include <common.h> +#include <ns16550.h> +#include <asm/io.h> +#include <nand.h> +#include <linux/compiler.h> +#include <asm/fsl_law.h> +#include <asm/fsl_ddr_sdram.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Fixed sdram init -- doesn't use serial presence detect. + */ +static void sdram_init(void) +{ + ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC8xxx_DDR_ADDR; + + __raw_writel(CONFIG_SYS_DDR_CS0_BNDS, &ddr->cs0_bnds); + __raw_writel(CONFIG_SYS_DDR_CS0_CONFIG, &ddr->cs0_config); +#if CONFIG_CHIP_SELECTS_PER_CTRL > 1 + __raw_writel(CONFIG_SYS_DDR_CS1_BNDS, &ddr->cs1_bnds); + __raw_writel(CONFIG_SYS_DDR_CS1_CONFIG, &ddr->cs1_config); +#endif + __raw_writel(CONFIG_SYS_DDR_TIMING_3_800, &ddr->timing_cfg_3); + __raw_writel(CONFIG_SYS_DDR_TIMING_0_800, &ddr->timing_cfg_0); + __raw_writel(CONFIG_SYS_DDR_TIMING_1_800, &ddr->timing_cfg_1); + __raw_writel(CONFIG_SYS_DDR_TIMING_2_800, &ddr->timing_cfg_2); + + __raw_writel(CONFIG_SYS_DDR_CONTROL_2, &ddr->sdram_cfg_2); + __raw_writel(CONFIG_SYS_DDR_MODE_1_800, &ddr->sdram_mode); + __raw_writel(CONFIG_SYS_DDR_MODE_2_800, &ddr->sdram_mode_2); + + __raw_writel(CONFIG_SYS_DDR_INTERVAL_800, &ddr->sdram_interval); + __raw_writel(CONFIG_SYS_DDR_DATA_INIT, &ddr->sdram_data_init); + __raw_writel(CONFIG_SYS_DDR_CLK_CTRL_800, &ddr->sdram_clk_cntl); + + __raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL_800, &ddr->ddr_wrlvl_cntl); + __raw_writel(CONFIG_SYS_DDR_TIMING_4, &ddr->timing_cfg_4); + __raw_writel(CONFIG_SYS_DDR_TIMING_5, &ddr->timing_cfg_5); + __raw_writel(CONFIG_SYS_DDR_ZQ_CONTROL, &ddr->ddr_zq_cntl); + + /* Set, but do not enable the memory */ + __raw_writel(CONFIG_SYS_DDR_CONTROL & ~SDRAM_CFG_MEM_EN, &ddr->sdram_cfg); + + asm volatile("sync;isync"); + udelay(500); + + /* Let the controller go */ + out_be32(&ddr->sdram_cfg, in_be32(&ddr->sdram_cfg) | SDRAM_CFG_MEM_EN); + + set_next_law(CONFIG_SYS_NAND_DDR_LAW, LAW_SIZE_1G, LAW_TRGT_IF_DDR_1); +} + +void board_init_f(ulong bootflag) +{ + u32 plat_ratio; + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + + /* 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); + + puts("\nNAND boot... "); + + /* Initialize the DDR3 */ + sdram_init(); + + /* 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) +{ + nand_boot(); +} + +void putc(char c) +{ + if (c == '\n') + NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); + + NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); +} + +void puts(const char *str) +{ + while (*str) + putc(*str++); +} diff --git a/board/freescale/bsc9131rdb/tlb.c b/board/freescale/bsc9131rdb/tlb.c index 5b68f4a..243a38f 100644 --- a/board/freescale/bsc9131rdb/tlb.c +++ b/board/freescale/bsc9131rdb/tlb.c @@ -43,16 +43,16 @@ struct fsl_e_tlb_entry tlb_table[] = {
/* TLB 1 */ /* *I*** - Covers boot page */ - SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000, - MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 0, 0, BOOKE_PAGESZ_4K, 1), + SET_TLB_ENTRY(1, 0xffffe000, 0xffffe000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 0, BOOKE_PAGESZ_8K, 1),
/* *I*G* - CCSRBAR (PA) */ SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 1, BOOKE_PAGESZ_1M, 1),
-#if defined(CONFIG_SYS_RAMBOOT) +#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL) SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, MAS3_SX|MAS3_SW|MAS3_SR, 0, 0, 8, BOOKE_PAGESZ_1G, 1), diff --git a/boards.cfg b/boards.cfg index 5fc70be..4662154 100644 --- a/boards.cfg +++ b/boards.cfg @@ -877,6 +877,7 @@ P5020DS_SPIFLASH powerpc mpc85xx corenet_ds freescale P5020DS_SRIO_PCIE_BOOT powerpc mpc85xx corenet_ds freescale - P5020DS:SRIO_PCIE_BOOT_SLAVE,SYS_TEXT_BASE=0xFFF80000 P5040DS powerpc mpc85xx corenet_ds freescale BSC9131RDB_SPIFLASH powerpc mpc85xx bsc9131rdb freescale - BSC9131RDB:BSC9131RDB,SPIFLASH +BSC9131RDB_NAND powerpc mpc85xx bsc9131rdb freescale - BSC9131RDB:BSC9131RDB,NAND BSC9132QDS_NOR_DDRCLK100 powerpc mpc85xx bsc9132qds freescale - BSC9132QDS:BSC9132QDS,SYS_CLK_100_DDR_100 BSC9132QDS_NOR_DDRCLK133 powerpc mpc85xx bsc9132qds freescale - BSC9132QDS:BSC9132QDS,SYS_CLK_100_DDR_133 BSC9132QDS_SDCARD_DDRCLK100 powerpc mpc85xx bsc9132qds freescale - BSC9132QDS:BSC9132QDS,SDCARD,SYS_CLK_100_DDR_100 diff --git a/include/configs/BSC9131RDB.h b/include/configs/BSC9131RDB.h index fd076e0..73fdc84 100644 --- a/include/configs/BSC9131RDB.h +++ b/include/configs/BSC9131RDB.h @@ -40,10 +40,34 @@ #define CONFIG_RESET_VECTOR_ADDRESS 0x1107fffc #endif
-#ifndef CONFIG_SYS_MONITOR_BASE -#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */ +#ifdef CONFIG_NAND +#define CONFIG_SPL +#define CONFIG_SPL_INIT_MINIMAL +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_NAND_SUPPORT +#define CONFIG_SPL_NAND_MINIMAL +#define CONFIG_SPL_FLUSH_IMAGE +#define CONFIG_SPL_TARGET "u-boot-with-spl.bin" + +#define CONFIG_SYS_TEXT_BASE 0x00201000 +#define CONFIG_SPL_TEXT_BASE 0xFFFFE000 +#define CONFIG_SPL_MAX_SIZE (8 * 1024) +#define CONFIG_SPL_RELOC_TEXT_BASE 0x00100000 +#define CONFIG_SPL_RELOC_STACK 0x00100000 +#define CONFIG_SYS_NAND_U_BOOT_SIZE ((512 << 10) - 0x2000) +#define CONFIG_SYS_NAND_U_BOOT_DST (0x00200000 - CONFIG_SPL_MAX_SIZE) +#define CONFIG_SYS_NAND_U_BOOT_START 0x00200000 +#define CONFIG_SYS_NAND_U_BOOT_OFFS 0 +#define CONFIG_SYS_LDSCRIPT "arch/powerpc/cpu/mpc85xx/u-boot-nand.lds" #endif
+#ifdef CONFIG_SPL_BUILD +#define CONFIG_SYS_MONITOR_BASE CONFIG_SPL_TEXT_BASE +#else +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE /* start of monitor */ +#endif + + /* High Level Configuration Options */ #define CONFIG_BOOKE /* BOOKE */ #define CONFIG_E500 /* BOOKE e500 family */ @@ -214,6 +238,9 @@ extern unsigned long get_sdram_size(void); #define CONFIG_SYS_NS16550_SERIAL #define CONFIG_SYS_NS16550_REG_SIZE 1 #define CONFIG_SYS_NS16550_CLK get_bus_freq(0) +#ifdef CONFIG_SPL_BUILD +#define CONFIG_NS16550_MIN_FUNCTIONS +#endif
#define CONFIG_SYS_CONSOLE_IS_IN_ENV /* determine from environment */
@@ -295,7 +322,6 @@ extern unsigned long get_sdram_size(void); /* * Environment */ -#if defined(CONFIG_SYS_RAMBOOT) #if defined(CONFIG_RAMBOOT_SPIFLASH) #define CONFIG_ENV_IS_IN_SPI_FLASH #define CONFIG_ENV_SPI_BUS 0 @@ -305,15 +331,16 @@ extern unsigned long get_sdram_size(void); #define CONFIG_ENV_OFFSET 0x100000 /* 1MB */ #define CONFIG_ENV_SECT_SIZE 0x10000 #define CONFIG_ENV_SIZE 0x2000 -#else -#define CONFIG_ENV_IS_NOWHERE /* Store ENV in memory only */ -#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - 0x1000) -#define CONFIG_ENV_SIZE 0x2000 -#endif -#else -#define CONFIG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */ +#elif defined(CONFIG_NAND) +#define CONFIG_ENV_IS_IN_NAND +#define CONFIG_SYS_EXTRA_ENV_RELOC +#define CONFIG_ENV_SIZE CONFIG_SYS_NAND_BLOCK_SIZE +#define CONFIG_ENV_OFFSET ((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE) +#define CONFIG_ENV_RANGE (3 * CONFIG_ENV_SIZE) +#elif defined(CONFIG_SYS_RAMBOOT) +#define CONFIG_ENV_IS_NOWHERE /* Store ENV in memory only */ #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - 0x1000) -#define CONFIG_ENV_SIZE 0x400 +#define CONFIG_ENV_SIZE 0x2000 #endif
#define CONFIG_LOADS_ECHO /* echo on for serial download */