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import SPL files for board_i2c_{claim,release}_bus() 

This imports SPL (second phase loader) files from U-Boot. Most of the
content of these files will eventually go away since they're fairly
U-Boot specific. For now they are here to make Jenkins happy.

Change-Id: Ib3a365ecb9dc304b20f7c1c06665aad2c0c53e69
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2081
Tested-by: build bot (Jenkins)
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
This commit is contained in:
David Hendricks 2012-12-27 15:11:27 -08:00 committed by Ronald G. Minnich
parent 8583ac390a
commit d3c7530908
2 changed files with 32 additions and 2 deletions
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4
src/cpu/samsung/exynos5-common/spl.h
View File

@ -91,4 +91,8 @@ struct spl_machine_param *spl_get_machine_params(void);
*/ */
void spl_early_init(void); void spl_early_init(void);
/* FIXME(dhendrix): for early i2c init */
void board_i2c_release_bus(int node);
int board_i2c_claim_bus(int node);
#endif /* __ASM_ARCH_EXYNOS_SPL_H__ */ #endif /* __ASM_ARCH_EXYNOS_SPL_H__ */

30
src/mainboard/google/snow/smdk5250_spl.c
View File

@ -24,8 +24,7 @@
#define SIGNATURE 0xdeadbeef #define SIGNATURE 0xdeadbeef
/* Parameters of early board initialization in SPL */ /* Parameters of early board initialization in SPL */
static struct spl_machine_param machine_param static struct spl_machine_param machine_param = {
__attribute__((section(".machine_param"))) = {
.signature = SIGNATURE, .signature = SIGNATURE,
.version = 1, .version = 1,
.params = "vmubfasirMw", .params = "vmubfasirMw",
@ -65,6 +64,18 @@ struct spl_machine_param *spl_get_machine_params(void)
return &machine_param; return &machine_param;
} }
#if 0
int board_get_revision(void)
{
struct spl_machine_param *params = spl_get_machine_params();
unsigned gpio[CONFIG_BOARD_REV_GPIO_COUNT];
gpio[0] = params->board_rev_gpios & 0xffff;
gpio[1] = params->board_rev_gpios >> 16;
return gpio_decode_number(gpio, CONFIG_BOARD_REV_GPIO_COUNT);
}
#endif
int board_wakeup_permitted(void) int board_wakeup_permitted(void)
{ {
struct spl_machine_param *param = spl_get_machine_params(); struct spl_machine_param *param = spl_get_machine_params();
@ -76,3 +87,18 @@ int board_wakeup_permitted(void)
return !is_bad_wake; return !is_bad_wake;
} }
/*
* TODO(sjg@chromium.org):
* Declared there here for SPL, since there is no core i2c subsystem and
* cmd_i2c.c is not included.
*/
void board_i2c_release_bus(int node)
{
}
int board_i2c_claim_bus(int node)
{
/* EC is not allowed to touch the bus until we enter U-Boot */
return 0;
}