Merge branch 'sf' of git://git.denx.de/u-boot-blackfin

[oweals/u-boot.git] / arch / arm / cpu / armv7 / tegra2 / funcmux.c

diff --git a/arch/arm/cpu/armv7/tegra2/funcmux.c b/arch/arm/cpu/armv7/tegra2/funcmux.c
index d3496c535a34e23751293cdddfc6c588e3718cd4..c1d2dfec5f02dea5c8631ca9222c3d7be13cb486 100644 (file)
--- a/arch/arm/cpu/armv7/tegra2/funcmux.c
+++ b/arch/arm/cpu/armv7/tegra2/funcmux.c
@@ -22,15 +22,16 @@
 /* Tegra2 high-level function multiplexing */
 #include <common.h>
 #include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
 
 int funcmux_select(enum periph_id id, int config)
 {
-       int bad_config = config != 0;
+       int bad_config = config != FUNCMUX_DEFAULT;
 
        switch (id) {
        case PERIPH_ID_UART1:
-               if (config == 0) {
+               if (config == FUNCMUX_UART1_IRRX_IRTX) {
                        pinmux_set_func(PINGRP_IRRX, PMUX_FUNC_UARTA);
                        pinmux_set_func(PINGRP_IRTX, PMUX_FUNC_UARTA);
                        pinmux_tristate_disable(PINGRP_IRRX);
@@ -52,19 +53,122 @@ int funcmux_select(enum periph_id id, int config)
                break;
 
        case PERIPH_ID_UART2:
-               if (config == 0) {
+               if (config == FUNCMUX_UART2_IRDA) {
                        pinmux_set_func(PINGRP_UAD, PMUX_FUNC_IRDA);
                        pinmux_tristate_disable(PINGRP_UAD);
                }
                break;
 
        case PERIPH_ID_UART4:
-               if (config == 0) {
+               if (config == FUNCMUX_UART4_GMC) {
                        pinmux_set_func(PINGRP_GMC, PMUX_FUNC_UARTD);
                        pinmux_tristate_disable(PINGRP_GMC);
                }
                break;
 
+       case PERIPH_ID_DVC_I2C:
+               /* there is only one selection, pinmux_config is ignored */
+               if (config == FUNCMUX_DVC_I2CP) {
+                       pinmux_set_func(PINGRP_I2CP, PMUX_FUNC_I2C);
+                       pinmux_tristate_disable(PINGRP_I2CP);
+               }
+               break;
+
+       case PERIPH_ID_I2C1:
+               /* support pinmux_config of 0 for now, */
+               if (config == FUNCMUX_I2C1_RM) {
+                       pinmux_set_func(PINGRP_RM, PMUX_FUNC_I2C);
+                       pinmux_tristate_disable(PINGRP_RM);
+               }
+               break;
+       case PERIPH_ID_I2C2: /* I2C2 */
+               switch (config) {
+               case FUNCMUX_I2C2_DDC:  /* DDC pin group, select I2C2 */
+                       pinmux_set_func(PINGRP_DDC, PMUX_FUNC_I2C2);
+                       /* PTA to HDMI */
+                       pinmux_set_func(PINGRP_PTA, PMUX_FUNC_HDMI);
+                       pinmux_tristate_disable(PINGRP_DDC);
+                       break;
+               case FUNCMUX_I2C2_PTA:  /* PTA pin group, select I2C2 */
+                       pinmux_set_func(PINGRP_PTA, PMUX_FUNC_I2C2);
+                       /* set DDC_SEL to RSVDx (RSVD2 works for now) */
+                       pinmux_set_func(PINGRP_DDC, PMUX_FUNC_RSVD2);
+                       pinmux_tristate_disable(PINGRP_PTA);
+                       bad_config = 0;
+                       break;
+               }
+               break;
+       case PERIPH_ID_I2C3: /* I2C3 */
+               /* support pinmux_config of 0 for now */
+               if (config == FUNCMUX_I2C3_DTF) {
+                       pinmux_set_func(PINGRP_DTF, PMUX_FUNC_I2C3);
+                       pinmux_tristate_disable(PINGRP_DTF);
+               }
+               break;
+
+       case PERIPH_ID_SDMMC2:
+               if (config == FUNCMUX_SDMMC2_DTA_DTD_8BIT) {
+                       pinmux_set_func(PINGRP_DTA, PMUX_FUNC_SDIO2);
+                       pinmux_set_func(PINGRP_DTD, PMUX_FUNC_SDIO2);
+
+                       pinmux_tristate_disable(PINGRP_DTA);
+                       pinmux_tristate_disable(PINGRP_DTD);
+               }
+               break;
+
+       case PERIPH_ID_SDMMC3:
+               switch (config) {
+               case FUNCMUX_SDMMC3_SDB_SLXA_8BIT:
+                       pinmux_set_func(PINGRP_SLXA, PMUX_FUNC_SDIO3);
+                       pinmux_set_func(PINGRP_SLXC, PMUX_FUNC_SDIO3);
+                       pinmux_set_func(PINGRP_SLXD, PMUX_FUNC_SDIO3);
+                       pinmux_set_func(PINGRP_SLXK, PMUX_FUNC_SDIO3);
+
+                       pinmux_tristate_disable(PINGRP_SLXA);
+                       pinmux_tristate_disable(PINGRP_SLXC);
+                       pinmux_tristate_disable(PINGRP_SLXD);
+                       pinmux_tristate_disable(PINGRP_SLXK);
+                       /* fall through */
+
+               case FUNCMUX_SDMMC3_SDB_4BIT:
+                       pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3);
+                       pinmux_set_func(PINGRP_SDC, PMUX_FUNC_SDIO3);
+                       pinmux_set_func(PINGRP_SDD, PMUX_FUNC_SDIO3);
+
+                       pinmux_tristate_disable(PINGRP_SDB);
+                       pinmux_tristate_disable(PINGRP_SDC);
+                       pinmux_tristate_disable(PINGRP_SDD);
+                       bad_config = 0;
+                       break;
+               }
+               break;
+
+       case PERIPH_ID_SDMMC4:
+               switch (config) {
+               case FUNCMUX_SDMMC4_ATC_ATD_8BIT:
+                       pinmux_set_func(PINGRP_ATC, PMUX_FUNC_SDIO4);
+                       pinmux_set_func(PINGRP_ATD, PMUX_FUNC_SDIO4);
+
+                       pinmux_tristate_disable(PINGRP_ATC);
+                       pinmux_tristate_disable(PINGRP_ATD);
+                       break;
+
+               case FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT:
+                       pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4);
+                       pinmux_tristate_disable(PINGRP_GME);
+                       /* fall through */
+
+               case FUNCMUX_SDMMC4_ATB_GMA_4_BIT:
+                       pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
+                       pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4);
+
+                       pinmux_tristate_disable(PINGRP_ATB);
+                       pinmux_tristate_disable(PINGRP_GMA);
+                       bad_config = 0;
+                       break;
+               }
+               break;
+
        default:
                debug("%s: invalid periph_id %d", __func__, id);
                return -1;