Add support of 2 stage NAND boot loader using SPL framework. PBL initialise the internal SRAM and copy SPL(96K), this further initialise DDR using SPD and environment and copy u-boot from NAND to DDR, finally SPL transfer control to u-boot.

Signed-off-by: Shengzhou Liu Shengzhou.Liu@freescale.com --- board/freescale/t208xqds/Makefile | 5 ++ board/freescale/t208xqds/ddr.c | 6 +- board/freescale/t208xqds/spl.c | 123 ++++++++++++++++++++++++++++++++++++++ board/freescale/t208xqds/tlb.c | 7 +++ boards.cfg | 4 +- include/configs/T208xQDS.h | 62 ++++++++++++++++--- 6 files changed, 197 insertions(+), 10 deletions(-) create mode 100644 board/freescale/t208xqds/spl.c

diff --git a/board/freescale/t208xqds/Makefile b/board/freescale/t208xqds/Makefile index 947b7f7..6cb72c9 100644 --- a/board/freescale/t208xqds/Makefile +++ b/board/freescale/t208xqds/Makefile @@ -4,11 +4,16 @@ # SPDX-License-Identifier: GPL-2.0+ #

+ifdef CONFIG_SPL_BUILD +obj-y += spl.o +else obj-$(CONFIG_T2080QDS) += t208xqds.o obj-$(CONFIG_T2080QDS) += eth_t208xqds.o obj-$(CONFIG_T2081QDS) += t208xqds.o obj-$(CONFIG_T2081QDS) += eth_t208xqds.o obj-$(CONFIG_PCI) += pci.o +endif + obj-y += ddr.o obj-y += law.o obj-y += tlb.o diff --git a/board/freescale/t208xqds/ddr.c b/board/freescale/t208xqds/ddr.c index ed1334d..11a60ff 100644 --- a/board/freescale/t208xqds/ddr.c +++ b/board/freescale/t208xqds/ddr.c @@ -109,11 +109,15 @@ phys_size_t initdram(int board_type)

puts("Initializing....using SPD\n");

+#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_RAMBOOT_PBL) dram_size = fsl_ddr_sdram();

dram_size = setup_ddr_tlbs(dram_size / 0x100000); dram_size *= 0x100000; +#else + puts("DDR has been initialised by first stage boot loader\n"); + dram_size = 0x80000000; +#endif

- puts(" DDR: "); return dram_size; } diff --git a/board/freescale/t208xqds/spl.c b/board/freescale/t208xqds/spl.c new file mode 100644 index 0000000..deb759a --- /dev/null +++ b/board/freescale/t208xqds/spl.c @@ -0,0 +1,123 @@ +/* Copyright 2013 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/spl.h> +#include <malloc.h> +#include <ns16550.h> +#include <nand.h> +#include <i2c.h> +#include "../common/qixis.h" +#include "t208xqds_qixis.h" + +DECLARE_GLOBAL_DATA_PTR; + +phys_size_t get_effective_memsize(void) +{ + return CONFIG_SYS_L3_SIZE; +} + +unsigned long get_board_sys_clk(void) +{ + u8 sysclk_conf = QIXIS_READ(brdcfg[1]); + + switch (sysclk_conf & 0x0F) { + case QIXIS_SYSCLK_83: + return 83333333; + case QIXIS_SYSCLK_100: + return 100000000; + case QIXIS_SYSCLK_125: + return 125000000; + case QIXIS_SYSCLK_133: + return 133333333; + case QIXIS_SYSCLK_150: + return 150000000; + case QIXIS_SYSCLK_160: + return 160000000; + case QIXIS_SYSCLK_166: + return 166666666; + } + return 66666666; +} + +unsigned long get_board_ddr_clk(void) +{ + u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); + + switch ((ddrclk_conf & 0x30) >> 4) { + case QIXIS_DDRCLK_100: + return 100000000; + case QIXIS_DDRCLK_125: + return 125000000; + case QIXIS_DDRCLK_133: + return 133333333; + } + return 66666666; +} + +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); + __asm__ __volatile__("" : : : "memory"); + + 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); + + 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); + +#ifndef CONFIG_SPL_NAND_BOOT + env_init(); +#endif + + /* relocate environment function pointers etc. */ +#ifdef CONFIG_SPL_NAND_BOOT + 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; +#else + env_relocate(); +#endif + + i2c_init_all(); + + puts("\n\n"); + + gd->ram_size = initdram(0); + +#ifdef CONFIG_SPL_NAND_BOOT + nand_boot(); +#endif +} diff --git a/board/freescale/t208xqds/tlb.c b/board/freescale/t208xqds/tlb.c index 62cd110..8d60298 100644 --- a/board/freescale/t208xqds/tlb.c +++ b/board/freescale/t208xqds/tlb.c @@ -65,6 +65,7 @@ struct fsl_e_tlb_entry tlb_table[] = { MAS3_SX|MAS3_SR, MAS2_W|MAS2_G, 0, 2, BOOKE_PAGESZ_256M, 1),

+#ifndef CONFIG_SPL_BUILD /* *I*G* - PCIe 1, 0x80000000 */ SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, @@ -110,6 +111,7 @@ struct fsl_e_tlb_entry tlb_table[] = { MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 12, BOOKE_PAGESZ_16M, 1), #endif +#endif #ifdef CONFIG_SYS_DCSRBAR_PHYS SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, @@ -141,6 +143,11 @@ struct fsl_e_tlb_entry tlb_table[] = { 0, 18, BOOKE_PAGESZ_1M, 1), #endif

+#if defined(CONFIG_RAMBOOT_PBL) && !defined(CONFIG_SPL_BUILD) + SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 19, BOOKE_PAGESZ_2G, 1) +#endif };

int num_tlb_entries = ARRAY_SIZE(tlb_table); diff --git a/boards.cfg b/boards.cfg index 1d3aab1..2715a20 100644 --- a/boards.cfg +++ b/boards.cfg @@ -976,12 +976,12 @@ Active powerpc mpc85xx - freescale t104xrdb Active powerpc mpc85xx - freescale t208xqds T2080QDS T208xQDS:PPC_T2080 Active powerpc mpc85xx - freescale t208xqds T2080QDS_SDCARD T208xQDS:PPC_T2080,RAMBOOT_PBL,SDCARD,SYS_TEXT_BASE=0xFFF40000 Active powerpc mpc85xx - freescale t208xqds T2080QDS_SPIFLASH T208xQDS:PPC_T2080,RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF40000 -Active powerpc mpc85xx - freescale t208xqds T2080QDS_NAND T208xQDS:PPC_T2080,RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF40000 +Active powerpc mpc85xx - freescale t208xqds T2080QDS_NAND T208xQDS:PPC_T2080,RAMBOOT_PBL,RAMBOOT_SPLPBL,NAND Active powerpc mpc85xx - freescale t208xqds T2080QDS_SRIO_PCIE_BOOT T208xQDS:PPC_T2080,SRIO_PCIE_BOOT_SLAVE,SYS_TEXT_BASE=0xFFF40000 Active powerpc mpc85xx - freescale t208xqds T2081QDS T208xQDS:PPC_T2081 Active powerpc mpc85xx - freescale t208xqds T2081QDS_SDCARD T208xQDS:PPC_T2081,RAMBOOT_PBL,SDCARD,SYS_TEXT_BASE=0xFFF40000 Active powerpc mpc85xx - freescale t208xqds T2081QDS_SPIFLASH T208xQDS:PPC_T2081,RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF40000 -Active powerpc mpc85xx - freescale t208xqds T2081QDS_NAND T208xQDS:PPC_T2081,RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF40000 +Active powerpc mpc85xx - freescale t208xqds T2081QDS_NAND T208xQDS:PPC_T2081,RAMBOOT_PBL,RAMBOOT_SPLPBL,NAND Active powerpc mpc85xx - freescale t208xqds T2081QDS_SRIO_PCIE_BOOT T208xQDS:PPC_T2081,SRIO_PCIE_BOOT_SLAVE,SYS_TEXT_BASE=0xFFF40000 Active powerpc mpc85xx - freescale t208xrdb T2080RDB T208xRDB:PPC_T2080 Active powerpc mpc85xx - freescale t208xrdb T2080RDB_SDCARD T208xRDB:PPC_T2080,RAMBOOT_PBL,SDCARD,SYS_TEXT_BASE=0xFFF40000 diff --git a/include/configs/T208xQDS.h b/include/configs/T208xQDS.h index c6a30db..6c7d029 100644 --- a/include/configs/T208xQDS.h +++ b/include/configs/T208xQDS.h @@ -46,14 +46,48 @@ #define CONFIG_ENV_OVERWRITE

#ifdef CONFIG_RAMBOOT_PBL -#define CONFIG_RAMBOOT_TEXT_BASE CONFIG_SYS_TEXT_BASE -#define CONFIG_RESET_VECTOR_ADDRESS 0xfffffffc #define CONFIG_SYS_FSL_PBL_PBI $(SRCTREE)/board/freescale/t208xqds/t208x_pbi.cfg #if defined(CONFIG_PPC_T2080) #define CONFIG_SYS_FSL_PBL_RCW $(SRCTREE)/board/freescale/t208xqds/t2080_rcw.cfg #elif defined(CONFIG_PPC_T2081) #define CONFIG_SYS_FSL_PBL_RCW $(SRCTREE)/board/freescale/t208xqds/t2081_rcw.cfg #endif +#ifndef CONFIG_NAND +#define CONFIG_RAMBOOT_TEXT_BASE CONFIG_SYS_TEXT_BASE +#define CONFIG_RESET_VECTOR_ADDRESS 0xfffffffc +#else +#define CONFIG_SPL +#define CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT +#define CONFIG_SPL_ENV_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_FLUSH_IMAGE +#define CONFIG_SPL_TARGET "u-boot-with-spl.bin" +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_I2C_SUPPORT +#define CONFIG_SPL_DRIVERS_MISC_SUPPORT +#define CONFIG_FSL_LAW /* Use common FSL init code */ +#define CONFIG_SYS_TEXT_BASE 0x00201000 +#define CONFIG_SPL_TEXT_BASE 0xFFFD0000 +#define CONFIG_SPL_PAD_TO 0x40000 +#define CONFIG_SPL_MAX_SIZE 0x30000 +#define RESET_VECTOR_OFFSET 0x2FFFC +#define BOOT_PAGE_OFFSET 0x2F000 +#define CONFIG_SPL_NAND_SUPPORT +#define CONFIG_SYS_NAND_U_BOOT_SIZE (768 << 10) +#define CONFIG_SYS_NAND_U_BOOT_DST 0x00200000 +#define CONFIG_SYS_NAND_U_BOOT_START 0x00200000 +#define CONFIG_SYS_NAND_U_BOOT_OFFS (256 << 10) +#define CONFIG_SYS_LDSCRIPT "arch/powerpc/cpu/mpc85xx/u-boot-nand.lds" +#define CONFIG_SPL_NAND_BOOT +#ifdef CONFIG_SPL_BUILD +#define CONFIG_SPL_SKIP_RELOCATE +#define CONFIG_SPL_COMMON_INIT_DDR +#define CONFIG_SYS_CCSR_DO_NOT_RELOCATE +#define CONFIG_SYS_NO_FLASH +#endif +#define CONFIG_RAMBOOT_TEXT_BASE 0xFFFE0000 +#endif #endif

#define CONFIG_SRIO_PCIE_BOOT_MASTER @@ -114,8 +148,8 @@ #elif defined(CONFIG_NAND) #define CONFIG_SYS_EXTRA_ENV_RELOC #define CONFIG_ENV_IS_IN_NAND -#define CONFIG_ENV_SIZE CONFIG_SYS_NAND_BLOCK_SIZE -#define CONFIG_ENV_OFFSET (7 * CONFIG_SYS_NAND_BLOCK_SIZE) +#define CONFIG_ENV_SIZE 0x2000 +#define CONFIG_ENV_OFFSET (10 * CONFIG_SYS_NAND_BLOCK_SIZE) #elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE) #define CONFIG_ENV_IS_IN_REMOTE #define CONFIG_ENV_ADDR 0xffe20000 @@ -140,7 +174,16 @@ unsigned long get_board_ddr_clk(void); /* * Config the L3 Cache as L3 SRAM */ -#define CONFIG_SYS_INIT_L3_ADDR CONFIG_RAMBOOT_TEXT_BASE +#define CONFIG_SYS_INIT_L3_ADDR 0xFFFC0000 +#define CONFIG_SYS_L3_SIZE (256 << 10) +#define CONFIG_SPL_GD_ADDR CONFIG_SYS_INIT_L3_ADDR +#ifdef CONFIG_NAND +#define CONFIG_ENV_ADDR (CONFIG_SYS_INIT_L3_ADDR + 4 * 1024) +#endif +#define CONFIG_SPL_RELOC_MALLOC_ADDR (CONFIG_SYS_INIT_L3_ADDR + 10 * 1024) +#define CONFIG_SPL_RELOC_MALLOC_SIZE (30 << 10) +#define CONFIG_SPL_RELOC_STACK (CONFIG_SYS_INIT_L3_ADDR + 64 * 1024) +#define CONFIG_SPL_RELOC_STACK_SIZE (20 << 10)

#define CONFIG_SYS_DCSRBAR 0xf0000000 #define CONFIG_SYS_DCSRBAR_PHYS 0xf00000000ull @@ -337,7 +380,12 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_RAMBOOT #endif

-#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE +#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 + #define CONFIG_BOARD_EARLY_INIT_R /* call board_early_init_r function */ #define CONFIG_MISC_INIT_R #define CONFIG_HWCONFIG @@ -563,7 +611,7 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_QE_FMAN_FW_ADDR (512 * 1680) #elif defined(CONFIG_NAND) #define CONFIG_SYS_QE_FMAN_FW_IN_NAND -#define CONFIG_SYS_QE_FMAN_FW_ADDR (8 * CONFIG_SYS_NAND_BLOCK_SIZE) +#define CONFIG_SYS_QE_FMAN_FW_ADDR (11 * CONFIG_SYS_NAND_BLOCK_SIZE) #elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE) /* * Slave has no ucode locally, it can fetch this from remote. When implementing