leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

tegra: add funcmux entry for NAND attached to KBC

Browse Source 
Secondary config for the Flash attachment.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Lucas Stach 2012-09-27 13:04:27 +00:00 committed by Tom Rini
parent 0cd10c7abf
commit ac56d959a3
2 changed files with 19 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
arch/arm/cpu/tegra20-common/funcmux.c
View File

@ -235,9 +235,26 @@ int funcmux_select(enum periph_id id, int config)
break;
case PERIPH_ID_NDFLASH:
if (config == FUNCMUX_NDFLASH_ATC) {
switch (config) {
case FUNCMUX_NDFLASH_ATC:
pinmux_set_func(PINGRP_ATC, PMUX_FUNC_NAND);
pinmux_tristate_disable(PINGRP_ATC);
break;
case FUNCMUX_NDFLASH_KBC_8_BIT:
pinmux_set_func(PINGRP_KBCA, PMUX_FUNC_NAND);
pinmux_set_func(PINGRP_KBCC, PMUX_FUNC_NAND);
pinmux_set_func(PINGRP_KBCD, PMUX_FUNC_NAND);
pinmux_set_func(PINGRP_KBCE, PMUX_FUNC_NAND);
pinmux_set_func(PINGRP_KBCF, PMUX_FUNC_NAND);
pinmux_tristate_disable(PINGRP_KBCA);
pinmux_tristate_disable(PINGRP_KBCC);
pinmux_tristate_disable(PINGRP_KBCD);
pinmux_tristate_disable(PINGRP_KBCE);
pinmux_tristate_disable(PINGRP_KBCF);
bad_config = 0;
break;
}
break;

1
arch/arm/include/asm/arch-tegra20/funcmux.h
View File

@ -60,6 +60,7 @@ enum {
/* NAND flags */
FUNCMUX_NDFLASH_ATC = 0,
FUNCMUX_NDFLASH_KBC_8_BIT,
};
/**