Signed-off-by: Christian Riesch christian.riesch@omicron.at Cc: Heiko Schocher hs@denx.de Cc: Sandeep Paulraj s-paulraj@ti.com Cc: Tom Rini trini@ti.com Cc: Sudhakar Rajashekhara sudhakar.raj@ti.com --- board/davinci/da8xxevm/da850evm.c | 4 +- board/davinci/da8xxevm/u-boot-spl.lds | 73 +++++++++++++++++++++++++++ doc/README.davinci | 9 +++ include/configs/da850evm.h | 87 +++++++++++++++++++++++++++++++++ 4 files changed, 172 insertions(+), 1 deletions(-) create mode 100644 board/davinci/da8xxevm/u-boot-spl.lds
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c index e827256..8e66c35 100644 --- a/board/davinci/da8xxevm/da850evm.c +++ b/board/davinci/da8xxevm/da850evm.c @@ -108,7 +108,7 @@ static const struct pinmux_config gpio_pins[] = { #endif };
-static const struct pinmux_resource pinmuxes[] = { +const struct pinmux_resource pinmuxes[] = { #ifdef CONFIG_DRIVER_TI_EMAC PINMUX_ITEM(emac_pins_mdio), #ifdef CONFIG_DRIVER_TI_EMAC_USE_RMII @@ -135,6 +135,8 @@ static const struct pinmux_resource pinmuxes[] = { PINMUX_ITEM(gpio_pins), };
+const int pinmuxes_size = ARRAY_SIZE(pinmuxes); + static const struct lpsc_resource lpsc[] = { { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */ { DAVINCI_LPSC_SPI1 }, /* Serial Flash */ diff --git a/board/davinci/da8xxevm/u-boot-spl.lds b/board/davinci/da8xxevm/u-boot-spl.lds new file mode 100644 index 0000000..6f6e065 --- /dev/null +++ b/board/davinci/da8xxevm/u-boot-spl.lds @@ -0,0 +1,73 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, garyj@denx.de + * + * (C) Copyright 2008 + * Guennadi Liakhovetki, DENX Software Engineering, lg@denx.de + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + __start = .; + arch/arm/cpu/arm926ejs/start.o (.text) + *(.text*) + } >.sram + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + . = ALIGN(4); + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } >.sram + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } >.sram + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end__ = .; + } >.sram + + __image_copy_end = .; + _end = .; +} diff --git a/doc/README.davinci b/doc/README.davinci index 5f1bdc8..aa7c850 100644 --- a/doc/README.davinci +++ b/doc/README.davinci @@ -95,6 +95,15 @@ into the RAM. The programmers and UBL are always released as part of any standard TI software release associated with an SOC.
+Alternative boot method (DA850 EVM only): +For the DA850 EVM an SPL (secondary program loader, see doc/README.SPL) +is provided to load U-Boot directly from SPI flash. In this case, the +SPL does the low level initialization that is otherwise done by the SPL. +To build U-Boot with this SPL, do +make da850evm_config +make u-boot.ais +and program the resulting u-boot.ais file to the SPI flash of the DA850 EVM. + Environment Variables =====================
diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h index 2e2aa19..d716404 100644 --- a/include/configs/da850evm.h +++ b/include/configs/da850evm.h @@ -65,6 +65,75 @@ #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ #define CONFIG_STACKSIZE (256*1024) /* regular stack */
+#define CONFIG_SYS_DA850_SYSCFG_SUSPSRC (0 | \ + DAVINCI_SYSCFG_SUSPSRC_TIMER0 | \ + DAVINCI_SYSCFG_SUSPSRC_SPI1 | \ + DAVINCI_SYSCFG_SUSPSRC_UART2 | \ + DAVINCI_SYSCFG_SUSPSRC_EMAC | \ + DAVINCI_SYSCFG_SUSPSRC_I2C) + +/* + * PLL configuration + */ +#define CONFIG_SYS_DV_CLKMODE 0 +#define CONFIG_SYS_DA850_PLL0_POSTDIV 1 +#define CONFIG_SYS_DA850_PLL0_PLLDIV1 0x8000 +#define CONFIG_SYS_DA850_PLL0_PLLDIV2 0x8001 +#define CONFIG_SYS_DA850_PLL0_PLLDIV3 0x8002 +#define CONFIG_SYS_DA850_PLL0_PLLDIV4 0x8003 +#define CONFIG_SYS_DA850_PLL0_PLLDIV5 0x8002 +#define CONFIG_SYS_DA850_PLL0_PLLDIV6 CONFIG_SYS_DA850_PLL0_PLLDIV1 +#define CONFIG_SYS_DA850_PLL0_PLLDIV7 0x8005 + +#define CONFIG_SYS_DA850_PLL1_POSTDIV 1 +#define CONFIG_SYS_DA850_PLL1_PLLDIV1 0x8000 +#define CONFIG_SYS_DA850_PLL1_PLLDIV2 0x8001 +#define CONFIG_SYS_DA850_PLL1_PLLDIV3 0x8002 + +#define CONFIG_SYS_DA850_PLL0_PLLM 24 +#define CONFIG_SYS_DA850_PLL1_PLLM 21 + +/* + * DDR2 memory configuration + */ +#define CONFIG_SYS_DA850_DDR2_DDRPHYCR (DV_DDR_PHY_PWRDNEN | \ + DV_DDR_PHY_EXT_STRBEN | \ + (0x4 << DV_DDR_PHY_RD_LATENCY_SHIFT)) + +#define CONFIG_SYS_DA850_DDR2_SDBCR (0 | \ + (1 << DV_DDR_SDCR_MSDRAMEN_SHIFT) | \ + (1 << DV_DDR_SDCR_DDREN_SHIFT) | \ + (1 << DV_DDR_SDCR_SDRAMEN_SHIFT) | \ + (1 << DV_DDR_SDCR_BUS_WIDTH_SHIFT) | \ + (0x3 << DV_DDR_SDCR_CL_SHIFT) | \ + (0x2 << DV_DDR_SDCR_IBANK_SHIFT) | \ + (0x2 << DV_DDR_SDCR_PAGESIZE_SHIFT)) + +/* SDBCR2 is only used if IBANK_POS bit in SDBCR is set */ +#define CONFIG_SYS_DA850_DDR2_SDBCR2 0 + +#define CONFIG_SYS_DA850_DDR2_SDTIMR (0 | \ + (14 << DV_DDR_SDTMR1_RFC_SHIFT) | \ + (2 << DV_DDR_SDTMR1_RP_SHIFT) | \ + (2 << DV_DDR_SDTMR1_RCD_SHIFT) | \ + (1 << DV_DDR_SDTMR1_WR_SHIFT) | \ + (5 << DV_DDR_SDTMR1_RAS_SHIFT) | \ + (8 << DV_DDR_SDTMR1_RC_SHIFT) | \ + (1 << DV_DDR_SDTMR1_RRD_SHIFT) | \ + (0 << DV_DDR_SDTMR1_WTR_SHIFT)) + +#define CONFIG_SYS_DA850_DDR2_SDTIMR2 (0 | \ + (7 << DV_DDR_SDTMR2_RASMAX_SHIFT) | \ + (0 << DV_DDR_SDTMR2_XP_SHIFT) | \ + (0 << DV_DDR_SDTMR2_ODT_SHIFT) | \ + (17 << DV_DDR_SDTMR2_XSNR_SHIFT) | \ + (199 << DV_DDR_SDTMR2_XSRD_SHIFT) | \ + (0 << DV_DDR_SDTMR2_RTP_SHIFT) | \ + (0 << DV_DDR_SDTMR2_CKE_SHIFT)) + +#define CONFIG_SYS_DA850_DDR2_SDRCR 0x00000494 +#define CONFIG_SYS_DA850_DDR2_PBBPR 0x30 + /* * Serial Driver info */ @@ -76,6 +145,7 @@ #define CONFIG_CONS_INDEX 1 /* use UART0 for console */ #define CONFIG_BAUDRATE 115200 /* Default baud rate */ #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } +#define CONFIG_SYS_DA850_LPSC_UART DAVINCI_LPSC_UART2
#define CONFIG_SPI #define CONFIG_SPI_FLASH @@ -242,6 +312,23 @@ #undef CONFIG_CMD_ENV #endif
+/* defines for SPL */ +#define CONFIG_SPL +#define CONFIG_SPL_SPI_SUPPORT +#define CONFIG_SPL_SPI_FLASH_SUPPORT +#define CONFIG_SPL_SPI_LOAD +#define CONFIG_SPL_SPI_BUS 0 +#define CONFIG_SPL_SPI_CS 0 +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_LDSCRIPT "$(BOARDDIR)/u-boot-spl.lds" +#define CONFIG_SPL_STACK 0x8001ff00 +#define CONFIG_SPL_TEXT_BASE 0x80000000 +#define CONFIG_SPL_MAX_SIZE 32768 +#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8000 +#define CONFIG_SYS_SPI_U_BOOT_SIZE 0x30000 + /* additions for new relocation code, must added to all boards */ #define CONFIG_SYS_SDRAM_BASE 0xc0000000 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - /* Fix this */ \