X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Ftegra20-common%2Ffuncmux.c;h=0df4a0738de49d1bfc671bc3c312bde7cc06a68d;hb=d2a3e911390f9fc4d8c0ee4b3c7fc75f4fd3fd19;hp=8cfed645ce9909b494aaee1097e3c59b1b9fd6ad;hpb=8f082d78fafd94db3f21b503794e0875d3331e53;p=u-boot diff --git a/arch/arm/cpu/tegra20-common/funcmux.c b/arch/arm/cpu/tegra20-common/funcmux.c index 8cfed645ce..0df4a0738d 100644 --- a/arch/arm/cpu/tegra20-common/funcmux.c +++ b/arch/arm/cpu/tegra20-common/funcmux.c @@ -1,22 +1,7 @@ /* * Copyright (c) 2011 The Chromium OS Authors. - * See file CREDITS for list of people who contributed to this - * project. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ /* Tegra20 high-level function multiplexing */ @@ -25,6 +10,30 @@ #include #include +/* + * The PINMUX macro is used to set up pinmux tables. + */ +#define PINMUX(grp, mux, pupd, tri) \ + {PMUX_PINGRP_##grp, PMUX_FUNC_##mux, PMUX_PULL_##pupd, PMUX_TRI_##tri} + +static const struct pmux_pingrp_config disp1_default[] = { + PINMUX(LDI, DISPA, NORMAL, NORMAL), + PINMUX(LHP0, DISPA, NORMAL, NORMAL), + PINMUX(LHP1, DISPA, NORMAL, NORMAL), + PINMUX(LHP2, DISPA, NORMAL, NORMAL), + PINMUX(LHS, DISPA, NORMAL, NORMAL), + PINMUX(LM0, RSVD4, NORMAL, NORMAL), + PINMUX(LPP, DISPA, NORMAL, NORMAL), + PINMUX(LPW0, DISPA, NORMAL, NORMAL), + PINMUX(LPW2, DISPA, NORMAL, NORMAL), + PINMUX(LSC0, DISPA, NORMAL, NORMAL), + PINMUX(LSPI, DISPA, NORMAL, NORMAL), + PINMUX(LVP1, DISPA, NORMAL, NORMAL), + PINMUX(LVS, DISPA, NORMAL, NORMAL), + PINMUX(SLXD, SPDIF, NORMAL, NORMAL), +}; + + int funcmux_select(enum periph_id id, int config) { int bad_config = config != FUNCMUX_DEFAULT; @@ -33,26 +42,26 @@ int funcmux_select(enum periph_id id, int config) case PERIPH_ID_UART1: switch (config) { case 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); - pinmux_tristate_disable(PINGRP_IRTX); + pinmux_set_func(PMUX_PINGRP_IRRX, PMUX_FUNC_UARTA); + pinmux_set_func(PMUX_PINGRP_IRTX, PMUX_FUNC_UARTA); + pinmux_tristate_disable(PMUX_PINGRP_IRRX); + pinmux_tristate_disable(PMUX_PINGRP_IRTX); break; case FUNCMUX_UART1_UAA_UAB: - pinmux_set_func(PINGRP_UAA, PMUX_FUNC_UARTA); - pinmux_set_func(PINGRP_UAB, PMUX_FUNC_UARTA); - pinmux_tristate_disable(PINGRP_UAA); - pinmux_tristate_disable(PINGRP_UAB); + pinmux_set_func(PMUX_PINGRP_UAA, PMUX_FUNC_UARTA); + pinmux_set_func(PMUX_PINGRP_UAB, PMUX_FUNC_UARTA); + pinmux_tristate_disable(PMUX_PINGRP_UAA); + pinmux_tristate_disable(PMUX_PINGRP_UAB); bad_config = 0; break; case FUNCMUX_UART1_GPU: - pinmux_set_func(PINGRP_GPU, PMUX_FUNC_UARTA); - pinmux_tristate_disable(PINGRP_GPU); + pinmux_set_func(PMUX_PINGRP_GPU, PMUX_FUNC_UARTA); + pinmux_tristate_disable(PMUX_PINGRP_GPU); bad_config = 0; break; case FUNCMUX_UART1_SDIO1: - pinmux_set_func(PINGRP_SDIO1, PMUX_FUNC_UARTA); - pinmux_tristate_disable(PINGRP_SDIO1); + pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_UARTA); + pinmux_tristate_disable(PMUX_PINGRP_SDIO1); bad_config = 0; break; } @@ -68,53 +77,53 @@ int funcmux_select(enum periph_id id, int config) * state the group to avoid driving any signal onto it * until we know what's connected. */ - pinmux_tristate_enable(PINGRP_SDB); - pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3); + pinmux_tristate_enable(PMUX_PINGRP_SDB); + pinmux_set_func(PMUX_PINGRP_SDB, PMUX_FUNC_SDIO3); } break; case PERIPH_ID_UART2: - if (config == FUNCMUX_UART2_IRDA) { - pinmux_set_func(PINGRP_UAD, PMUX_FUNC_IRDA); - pinmux_tristate_disable(PINGRP_UAD); + if (config == FUNCMUX_UART2_UAD) { + pinmux_set_func(PMUX_PINGRP_UAD, PMUX_FUNC_UARTB); + pinmux_tristate_disable(PMUX_PINGRP_UAD); } break; case PERIPH_ID_UART4: if (config == FUNCMUX_UART4_GMC) { - pinmux_set_func(PINGRP_GMC, PMUX_FUNC_UARTD); - pinmux_tristate_disable(PINGRP_GMC); + pinmux_set_func(PMUX_PINGRP_GMC, PMUX_FUNC_UARTD); + pinmux_tristate_disable(PMUX_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); + pinmux_set_func(PMUX_PINGRP_I2CP, PMUX_FUNC_I2C); + pinmux_tristate_disable(PMUX_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); + pinmux_set_func(PMUX_PINGRP_RM, PMUX_FUNC_I2C); + pinmux_tristate_disable(PMUX_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); + pinmux_set_func(PMUX_PINGRP_DDC, PMUX_FUNC_I2C2); /* PTA to HDMI */ - pinmux_set_func(PINGRP_PTA, PMUX_FUNC_HDMI); - pinmux_tristate_disable(PINGRP_DDC); + pinmux_set_func(PMUX_PINGRP_PTA, PMUX_FUNC_HDMI); + pinmux_tristate_disable(PMUX_PINGRP_DDC); break; case FUNCMUX_I2C2_PTA: /* PTA pin group, select I2C2 */ - pinmux_set_func(PINGRP_PTA, PMUX_FUNC_I2C2); + pinmux_set_func(PMUX_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); + pinmux_set_func(PMUX_PINGRP_DDC, PMUX_FUNC_RSVD2); + pinmux_tristate_disable(PMUX_PINGRP_PTA); bad_config = 0; break; } @@ -122,50 +131,50 @@ int funcmux_select(enum periph_id id, int config) 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); + pinmux_set_func(PMUX_PINGRP_DTF, PMUX_FUNC_I2C3); + pinmux_tristate_disable(PMUX_PINGRP_DTF); } break; case PERIPH_ID_SDMMC1: if (config == FUNCMUX_SDMMC1_SDIO1_4BIT) { - pinmux_set_func(PINGRP_SDIO1, PMUX_FUNC_SDIO1); - pinmux_tristate_disable(PINGRP_SDIO1); + pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_SDIO1); + pinmux_tristate_disable(PMUX_PINGRP_SDIO1); } 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_set_func(PMUX_PINGRP_DTA, PMUX_FUNC_SDIO2); + pinmux_set_func(PMUX_PINGRP_DTD, PMUX_FUNC_SDIO2); - pinmux_tristate_disable(PINGRP_DTA); - pinmux_tristate_disable(PINGRP_DTD); + pinmux_tristate_disable(PMUX_PINGRP_DTA); + pinmux_tristate_disable(PMUX_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); + pinmux_set_func(PMUX_PINGRP_SLXA, PMUX_FUNC_SDIO3); + pinmux_set_func(PMUX_PINGRP_SLXC, PMUX_FUNC_SDIO3); + pinmux_set_func(PMUX_PINGRP_SLXD, PMUX_FUNC_SDIO3); + pinmux_set_func(PMUX_PINGRP_SLXK, PMUX_FUNC_SDIO3); + + pinmux_tristate_disable(PMUX_PINGRP_SLXA); + pinmux_tristate_disable(PMUX_PINGRP_SLXC); + pinmux_tristate_disable(PMUX_PINGRP_SLXD); + pinmux_tristate_disable(PMUX_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_set_func(PMUX_PINGRP_SDB, PMUX_FUNC_SDIO3); + pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_SDIO3); + pinmux_set_func(PMUX_PINGRP_SDD, PMUX_FUNC_SDIO3); - pinmux_tristate_disable(PINGRP_SDB); - pinmux_tristate_disable(PINGRP_SDC); - pinmux_tristate_disable(PINGRP_SDD); + pinmux_tristate_disable(PMUX_PINGRP_SDB); + pinmux_tristate_disable(PMUX_PINGRP_SDC); + pinmux_tristate_disable(PMUX_PINGRP_SDD); bad_config = 0; break; } @@ -174,24 +183,24 @@ int funcmux_select(enum periph_id id, int config) 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_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_SDIO4); + pinmux_set_func(PMUX_PINGRP_ATD, PMUX_FUNC_SDIO4); - pinmux_tristate_disable(PINGRP_ATC); - pinmux_tristate_disable(PINGRP_ATD); + pinmux_tristate_disable(PMUX_PINGRP_ATC); + pinmux_tristate_disable(PMUX_PINGRP_ATD); break; case FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT: - pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4); - pinmux_tristate_disable(PINGRP_GME); + pinmux_set_func(PMUX_PINGRP_GME, PMUX_FUNC_SDIO4); + pinmux_tristate_disable(PMUX_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_set_func(PMUX_PINGRP_ATB, PMUX_FUNC_SDIO4); + pinmux_set_func(PMUX_PINGRP_GMA, PMUX_FUNC_SDIO4); - pinmux_tristate_disable(PINGRP_ATB); - pinmux_tristate_disable(PINGRP_GMA); + pinmux_tristate_disable(PMUX_PINGRP_ATB); + pinmux_tristate_disable(PMUX_PINGRP_GMA); bad_config = 0; break; } @@ -199,9 +208,10 @@ int funcmux_select(enum periph_id id, int config) case PERIPH_ID_KBC: if (config == FUNCMUX_DEFAULT) { - enum pmux_pingrp grp[] = {PINGRP_KBCA, PINGRP_KBCB, - PINGRP_KBCC, PINGRP_KBCD, PINGRP_KBCE, - PINGRP_KBCF}; + enum pmux_pingrp grp[] = {PMUX_PINGRP_KBCA, + PMUX_PINGRP_KBCB, PMUX_PINGRP_KBCC, + PMUX_PINGRP_KBCD, PMUX_PINGRP_KBCE, + PMUX_PINGRP_KBCF}; int i; for (i = 0; i < ARRAY_SIZE(grp); i++) { @@ -214,23 +224,60 @@ int funcmux_select(enum periph_id id, int config) case PERIPH_ID_USB2: if (config == FUNCMUX_USB2_ULPI) { - pinmux_set_func(PINGRP_UAA, PMUX_FUNC_ULPI); - pinmux_set_func(PINGRP_UAB, PMUX_FUNC_ULPI); - pinmux_set_func(PINGRP_UDA, PMUX_FUNC_ULPI); + pinmux_set_func(PMUX_PINGRP_UAA, PMUX_FUNC_ULPI); + pinmux_set_func(PMUX_PINGRP_UAB, PMUX_FUNC_ULPI); + pinmux_set_func(PMUX_PINGRP_UDA, PMUX_FUNC_ULPI); - pinmux_tristate_disable(PINGRP_UAA); - pinmux_tristate_disable(PINGRP_UAB); - pinmux_tristate_disable(PINGRP_UDA); + pinmux_tristate_disable(PMUX_PINGRP_UAA); + pinmux_tristate_disable(PMUX_PINGRP_UAB); + pinmux_tristate_disable(PMUX_PINGRP_UDA); } break; case PERIPH_ID_SPI1: if (config == FUNCMUX_SPI1_GMC_GMD) { - pinmux_set_func(PINGRP_GMC, PMUX_FUNC_SFLASH); - pinmux_set_func(PINGRP_GMD, PMUX_FUNC_SFLASH); + pinmux_set_func(PMUX_PINGRP_GMC, PMUX_FUNC_SFLASH); + pinmux_set_func(PMUX_PINGRP_GMD, PMUX_FUNC_SFLASH); + + pinmux_tristate_disable(PMUX_PINGRP_GMC); + pinmux_tristate_disable(PMUX_PINGRP_GMD); + } + break; - pinmux_tristate_disable(PINGRP_GMC); - pinmux_tristate_disable(PINGRP_GMD); + case PERIPH_ID_NDFLASH: + switch (config) { + case FUNCMUX_NDFLASH_ATC: + pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_NAND); + pinmux_tristate_disable(PMUX_PINGRP_ATC); + break; + case FUNCMUX_NDFLASH_KBC_8_BIT: + pinmux_set_func(PMUX_PINGRP_KBCA, PMUX_FUNC_NAND); + pinmux_set_func(PMUX_PINGRP_KBCC, PMUX_FUNC_NAND); + pinmux_set_func(PMUX_PINGRP_KBCD, PMUX_FUNC_NAND); + pinmux_set_func(PMUX_PINGRP_KBCE, PMUX_FUNC_NAND); + pinmux_set_func(PMUX_PINGRP_KBCF, PMUX_FUNC_NAND); + + pinmux_tristate_disable(PMUX_PINGRP_KBCA); + pinmux_tristate_disable(PMUX_PINGRP_KBCC); + pinmux_tristate_disable(PMUX_PINGRP_KBCD); + pinmux_tristate_disable(PMUX_PINGRP_KBCE); + pinmux_tristate_disable(PMUX_PINGRP_KBCF); + + bad_config = 0; + break; + } + break; + case PERIPH_ID_DISP1: + if (config == FUNCMUX_DEFAULT) { + int i; + + for (i = PMUX_PINGRP_LD0; i <= PMUX_PINGRP_LD17; i++) { + pinmux_set_func(i, PMUX_FUNC_DISPA); + pinmux_tristate_disable(i); + pinmux_set_pullupdown(i, PMUX_PULL_NORMAL); + } + pinmux_config_pingrp_table(disp1_default, + ARRAY_SIZE(disp1_default)); } break;