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arm, davinci: Add SPL support for DA850 SoCs
This code adds an SPL for booting from SPI flash on DA850 SoCs. 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> Acked-by: Tom Rini <trini@ti.com>
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32b1127397
commit
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2 changed files with 35 additions and 2 deletions
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@ -38,7 +38,8 @@ COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o ksz8873.o
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ifdef CONFIG_SPL_BUILD
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COBJS-y += spl.o
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COBJS-y += dm365_lowlevel.o
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COBJS-$(CONFIG_SOC_DM365) += dm365_lowlevel.o
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COBJS-$(CONFIG_SOC_DA8XX) += da850_lowlevel.o
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endif
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SOBJS = reset.o
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@ -26,6 +26,16 @@
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#include <nand.h>
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#include <asm/arch/dm365_lowlevel.h>
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#include <ns16550.h>
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#include <malloc.h>
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#include <spi_flash.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* Define global data structure pointer to it*/
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static gd_t gdata __attribute__ ((section(".data")));
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static bd_t bdata __attribute__ ((section(".data")));
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#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
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void puts(const char *str)
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{
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@ -41,6 +51,8 @@ void putc(char c)
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NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
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}
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#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
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inline void hang(void)
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{
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puts("### ERROR ### Please RESET the board ###\n");
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@ -50,14 +62,34 @@ inline void hang(void)
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void board_init_f(ulong dummy)
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{
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#ifdef CONFIG_SOC_DM365
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dm36x_lowlevel_init(0);
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#endif
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#ifdef CONFIG_SOC_DA8XX
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arch_cpu_init();
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#endif
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relocate_code(CONFIG_SPL_STACK, NULL, CONFIG_SPL_TEXT_BASE);
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}
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void board_init_r(gd_t *id, ulong dummy)
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{
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#ifdef CONFIG_SOC_DM365
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nand_init();
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puts("Nand boot...\n");
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nand_boot();
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#endif
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#ifdef CONFIG_SOC_DA8XX
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mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN,
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CONFIG_SYS_MALLOC_LEN);
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gd = &gdata;
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gd->bd = &bdata;
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gd->flags |= GD_FLG_RELOC;
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gd->baudrate = CONFIG_BAUDRATE;
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serial_init(); /* serial communications setup */
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gd->have_console = 1;
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puts("SPI boot...\n");
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spi_boot();
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#endif
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}
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