X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Fp1010rdb%2Fspl_minimal.c;h=a262d5ca4af7298fb5a031a8db2ebe968e9c9bb4;hb=5155207ae1a0797a99c0a5f4e99741960ff04697;hp=39a5a0f37b95f3729510e30844867fbda11c5806;hpb=77fdd6d1eb69c1194148a9f4b4428d903af3619f;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/freescale/p1010rdb/spl_minimal.c b/board/freescale/p1010rdb/spl_minimal.c index 39a5a0f..a262d5c 100644 --- a/board/freescale/p1010rdb/spl_minimal.c +++ b/board/freescale/p1010rdb/spl_minimal.c @@ -1,9 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2011 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ */ #include +#include +#include #include #include #include @@ -16,91 +17,26 @@ DECLARE_GLOBAL_DATA_PTR; - -void sdram_init(void) -{ - struct ccsr_ddr __iomem *ddr = - (struct ccsr_ddr __iomem *)CONFIG_SYS_FSL_DDR_ADDR; - ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; - u32 ddr_ratio; - unsigned long ddr_freq_mhz; - - ddr_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO; - ddr_ratio = ddr_ratio >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT; - ddr_freq_mhz = (CONFIG_SYS_CLK_FREQ * ddr_ratio) / 1000000; - - /* mask off E bit */ - u32 svr = SVR_SOC_VER(mfspr(SPRN_SVR)); - - __raw_writel(CONFIG_SYS_DDR_CONTROL | SDRAM_CFG_32_BE, &ddr->sdram_cfg); - __raw_writel(CONFIG_SYS_DDR_CS0_BNDS, &ddr->cs0_bnds); - __raw_writel(CONFIG_SYS_DDR_CS0_CONFIG, &ddr->cs0_config); - __raw_writel(CONFIG_SYS_DDR_CONTROL_2, &ddr->sdram_cfg_2); - __raw_writel(CONFIG_SYS_DDR_DATA_INIT, &ddr->sdram_data_init); - - if (ddr_freq_mhz < 700) { - __raw_writel(CONFIG_SYS_DDR_TIMING_3_667, &ddr->timing_cfg_3); - __raw_writel(CONFIG_SYS_DDR_TIMING_0_667, &ddr->timing_cfg_0); - __raw_writel(CONFIG_SYS_DDR_TIMING_1_667, &ddr->timing_cfg_1); - __raw_writel(CONFIG_SYS_DDR_TIMING_2_667, &ddr->timing_cfg_2); - __raw_writel(CONFIG_SYS_DDR_MODE_1_667, &ddr->sdram_mode); - __raw_writel(CONFIG_SYS_DDR_MODE_2_667, &ddr->sdram_mode_2); - __raw_writel(CONFIG_SYS_DDR_INTERVAL_667, &ddr->sdram_interval); - __raw_writel(CONFIG_SYS_DDR_CLK_CTRL_667, &ddr->sdram_clk_cntl); - __raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL_667, &ddr->ddr_wrlvl_cntl); - } else { - __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_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_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); - - /* P1014 and it's derivatives support max 16bit DDR width */ - if (svr == SVR_P1014) { - __raw_writel(ddr->sdram_cfg & ~SDRAM_CFG_DBW_MASK, &ddr->sdram_cfg); - __raw_writel(ddr->sdram_cfg | SDRAM_CFG_16_BE, &ddr->sdram_cfg); - /* For CS0_BNDS we divide the start and end address by 2, so we can just - * shift the entire register to achieve the desired result and the mask - * the value so we don't write reserved fields */ - __raw_writel((CONFIG_SYS_DDR_CS0_BNDS >> 1) & 0x0fff0fff, &ddr->cs0_bnds); - } - - 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; + ccsr_gur_t *gur = (void *)CFG_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; + gd->bus_clk = get_board_sys_clk() * plat_ratio; - NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, - gd->bus_clk / 16 / CONFIG_BAUDRATE); + ns16550_init((struct ns16550 *)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. @@ -111,15 +47,16 @@ void board_init_f(ulong bootflag) 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((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r'); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, '\r'); - NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c); + ns16550_putc((struct ns16550 *)CONFIG_SYS_NS16550_COM1, c); } void puts(const char *str)