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arm, davinci: Add SPL support for DA850 SoCs

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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>
This commit is contained in:
Christian Riesch 2011-12-09 09:47:36 +00:00 • committed by Albert ARIBAUD
parent 32b1127397
commit 620fd27cfa
2 changed files with 35 additions and 2 deletions
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3
arch/arm/cpu/arm926ejs/davinci/Makefile
View file

@ -38,7 +38,8 @@ COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o ksz8873.o
ifdef CONFIG_SPL_BUILD ifdef CONFIG_SPL_BUILD
COBJS-y += spl.o COBJS-y += spl.o
COBJS-y += dm365_lowlevel.o COBJS-$(CONFIG_SOC_DM365) += dm365_lowlevel.o
COBJS-$(CONFIG_SOC_DA8XX) += da850_lowlevel.o
endif endif
SOBJS = reset.o SOBJS = reset.o

34
arch/arm/cpu/arm926ejs/davinci/spl.c
View file

@ -26,6 +26,16 @@
#include <nand.h> #include <nand.h>
#include <asm/arch/dm365_lowlevel.h> #include <asm/arch/dm365_lowlevel.h>
#include <ns16550.h> #include <ns16550.h>
#include <malloc.h>
#include <spi_flash.h>
DECLARE_GLOBAL_DATA_PTR;
/* Define global data structure pointer to it*/
static gd_t gdata __attribute__ ((section(".data")));
static bd_t bdata __attribute__ ((section(".data")));
#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
void puts(const char *str) void puts(const char *str)
{ {
@ -41,6 +51,8 @@ void putc(char c)
NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c); NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
} }
#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
inline void hang(void) inline void hang(void)
{ {
puts("### ERROR ### Please RESET the board ###\n"); puts("### ERROR ### Please RESET the board ###\n");
@ -50,14 +62,34 @@ inline void hang(void)
void board_init_f(ulong dummy) void board_init_f(ulong dummy)
{ {
#ifdef CONFIG_SOC_DM365
dm36x_lowlevel_init(0); dm36x_lowlevel_init(0);
#endif
#ifdef CONFIG_SOC_DA8XX
arch_cpu_init();
#endif
relocate_code(CONFIG_SPL_STACK, NULL, CONFIG_SPL_TEXT_BASE); relocate_code(CONFIG_SPL_STACK, NULL, CONFIG_SPL_TEXT_BASE);
} }
void board_init_r(gd_t *id, ulong dummy) void board_init_r(gd_t *id, ulong dummy)
{ {
#ifdef CONFIG_SOC_DM365
nand_init(); nand_init();
puts("Nand boot...\n"); puts("Nand boot...\n");
nand_boot(); nand_boot();
#endif
#ifdef CONFIG_SOC_DA8XX
mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN,
CONFIG_SYS_MALLOC_LEN);
gd = &gdata;
gd->bd = &bdata;
gd->flags |= GD_FLG_RELOC;
gd->baudrate = CONFIG_BAUDRATE;
serial_init(); /* serial communications setup */
gd->have_console = 1;
puts("SPI boot...\n");
spi_boot();
#endif
} }