| /* |
| * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering |
| * |
| * Copyright (C) 2006 Micronas GmbH |
| * |
| * 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 |
| */ |
| |
| #include <common.h> |
| #include "vct.h" |
| |
| typedef union _TOP_PINMUX_t |
| { |
| u32 reg; |
| struct { |
| u32 res : 24; /* reserved */ |
| u32 drive : 2; /* Driver strength */ |
| u32 slew : 1; /* Slew rate */ |
| u32 strig : 1; /* Schmitt trigger input*/ |
| u32 pu_pd : 2; /* Pull up/ pull down */ |
| u32 funsel : 2; /* Pin function */ |
| } Bits; |
| } TOP_PINMUX_t; |
| |
| #if defined(CONFIG_VCT_PREMIUM) || defined(CONFIG_VCT_PLATINUM) |
| |
| static TOP_PINMUX_t top_read_pin(int pin) |
| { |
| TOP_PINMUX_t reg; |
| |
| switch (pin) { |
| case 2: |
| case 3: |
| case 6: |
| case 9: |
| reg.reg = 0xdeadbeef; |
| break; |
| case 4: |
| reg.reg = reg_read(FWSRAM_TOP_SCL_CFG(FWSRAM_BASE)); |
| break; |
| case 5: |
| reg.reg = reg_read(FWSRAM_TOP_SDA_CFG(FWSRAM_BASE)); |
| break; |
| case 7: |
| reg.reg = reg_read(FWSRAM_TOP_TDO_CFG(FWSRAM_BASE)); |
| break; |
| case 8: |
| reg.reg = reg_read(FWSRAM_TOP_GPIO2_0_CFG(FWSRAM_BASE)); |
| break; |
| case 10: |
| case 11: |
| case 12: |
| case 13: |
| case 14: |
| case 15: |
| case 16: |
| reg.reg = reg_read(FWSRAM_BASE + FWSRAM_TOP_GPIO2_1_CFG_OFFS + |
| ((pin - 10) * 4)); |
| break; |
| default: |
| reg.reg = reg_read(TOP_BASE + (pin * 4)); |
| break; |
| } |
| |
| return reg; |
| } |
| |
| static void top_write_pin(int pin, TOP_PINMUX_t reg) |
| { |
| |
| switch (pin) { |
| case 4: |
| reg_write(FWSRAM_TOP_SCL_CFG(FWSRAM_BASE), reg.reg); |
| break; |
| case 5: |
| reg_write(FWSRAM_TOP_SDA_CFG(FWSRAM_BASE), reg.reg); |
| break; |
| case 7: |
| reg_write(FWSRAM_TOP_TDO_CFG(FWSRAM_BASE), reg.reg); |
| break; |
| case 8: |
| reg_write(FWSRAM_TOP_GPIO2_0_CFG(FWSRAM_BASE), reg.reg); |
| break; |
| case 10: |
| case 11: |
| case 12: |
| case 13: |
| case 14: |
| case 15: |
| case 16: |
| reg_write(FWSRAM_BASE + FWSRAM_TOP_GPIO2_1_CFG_OFFS + |
| ((pin - 10) * 4), reg.reg); |
| break; |
| default: |
| reg_write(TOP_BASE + (pin * 4), reg.reg); |
| break; |
| } |
| } |
| |
| int top_set_pin(int pin, int func) |
| { |
| TOP_PINMUX_t reg; |
| |
| /* check global range */ |
| if ((pin < 0) || (pin > 170) || (func < 0) || (func > 3)) |
| return -1; /* pin number or function out of valid range */ |
| |
| /* check undefined values; */ |
| if ((pin == 2) || (pin == 3) || (pin == 6) || (pin == 9)) |
| return -1; /* pin number out of valid range */ |
| |
| reg = top_read_pin(pin); |
| reg.Bits.funsel = func; |
| top_write_pin(pin, reg); |
| |
| return 0; |
| } |
| |
| #endif |
| |
| #if defined(CONFIG_VCT_PLATINUMAVC) |
| |
| int top_set_pin(int pin, int func) |
| { |
| TOP_PINMUX_t reg; |
| |
| /* check global range */ |
| if ((pin < 0) || (pin > 158)) |
| return -1; /* pin number or function out of valid range */ |
| |
| reg.reg = reg_read(TOP_BASE + (pin * 4)); |
| reg.Bits.funsel = func; |
| reg_write(TOP_BASE + (pin * 4), reg.reg); |
| |
| return 0; |
| } |
| |
| #endif |
| |
| void vct_pin_mux_initialize(void) |
| { |
| #if defined(CONFIG_VCT_PREMIUM) || defined(CONFIG_VCT_PLATINUM) |
| top_set_pin(34, 01); /* EBI_CS0 */ |
| top_set_pin(33, 01); /* EBI_CS1 */ |
| top_set_pin(32, 01); /* EBI_CS2 */ |
| top_set_pin(100, 02); /* EBI_CS3 */ |
| top_set_pin(101, 02); /* EBI_CS4 */ |
| top_set_pin(102, 02); /* EBI_CS5 */ |
| top_set_pin(103, 02); /* EBI_CS6 */ |
| top_set_pin(104, 02); /* EBI_CS7 top_set_pin(104,03); EBI_GENIO3 */ |
| top_set_pin(35, 01); /* EBI_ALE */ |
| top_set_pin(36, 01); /* EBI_ADDR15 */ |
| top_set_pin(37, 01); /* EBI_ADDR14 top_set_pin(78,03); EBI_ADDR14 */ |
| top_set_pin(38, 01); /* EBI_ADDR13 */ |
| top_set_pin(39, 01); /* EBI_ADDR12 */ |
| top_set_pin(40, 01); /* EBI_ADDR11 */ |
| top_set_pin(41, 01); /* EBI_ADDR10 */ |
| top_set_pin(42, 01); /* EBI_ADDR9 */ |
| top_set_pin(43, 01); /* EBI_ADDR8 */ |
| top_set_pin(44, 01); /* EBI_ADDR7 */ |
| top_set_pin(45, 01); /* EBI_ADDR6 */ |
| top_set_pin(46, 01); /* EBI_ADDR5 */ |
| top_set_pin(47, 01); /* EBI_ADDR4 */ |
| top_set_pin(48, 01); /* EBI_ADDR3 */ |
| top_set_pin(49, 01); /* EBI_ADDR2 */ |
| top_set_pin(50, 01); /* EBI_ADDR1 */ |
| top_set_pin(51, 01); /* EBI_ADDR0 */ |
| top_set_pin(52, 01); /* EBI_DIR */ |
| top_set_pin(53, 01); /* EBI_DAT15 top_set_pin(81,01); EBI_DAT15 */ |
| top_set_pin(54, 01); /* EBI_DAT14 top_set_pin(82,01); EBI_DAT14 */ |
| top_set_pin(55, 01); /* EBI_DAT13 top_set_pin(83,01); EBI_DAT13 */ |
| top_set_pin(56, 01); /* EBI_DAT12 top_set_pin(84,01); EBI_DAT12 */ |
| top_set_pin(57, 01); /* EBI_DAT11 top_set_pin(85,01); EBI_DAT11 */ |
| top_set_pin(58, 01); /* EBI_DAT10 top_set_pin(86,01); EBI_DAT10 */ |
| top_set_pin(59, 01); /* EBI_DAT9 top_set_pin(87,01); EBI_DAT9 */ |
| top_set_pin(60, 01); /* EBI_DAT8 top_set_pin(88,01); EBI_DAT8 */ |
| top_set_pin(61, 01); /* EBI_DAT7 */ |
| top_set_pin(62, 01); /* EBI_DAT6 */ |
| top_set_pin(63, 01); /* EBI_DAT5 */ |
| top_set_pin(64, 01); /* EBI_DAT4 */ |
| top_set_pin(65, 01); /* EBI_DAT3 */ |
| top_set_pin(66, 01); /* EBI_DAT2 */ |
| top_set_pin(67, 01); /* EBI_DAT1 */ |
| top_set_pin(68, 01); /* EBI_DAT0 */ |
| top_set_pin(69, 01); /* EBI_IORD */ |
| top_set_pin(70, 01); /* EBI_IOWR */ |
| top_set_pin(71, 01); /* EBI_WE */ |
| top_set_pin(72, 01); /* EBI_OE */ |
| top_set_pin(73, 01); /* EBI_IORDY */ |
| top_set_pin(95, 02); /* EBI_EBI_DMACK*/ |
| top_set_pin(112, 02); /* EBI_IRQ0 */ |
| top_set_pin(111, 02); /* EBI_IRQ1 top_set_pin(111,03); EBI_DMARQ */ |
| top_set_pin(107, 02); /* EBI_IRQ2 */ |
| top_set_pin(108, 02); /* EBI_IRQ3 */ |
| top_set_pin(30, 01); /* EBI_GENIO1 top_set_pin(99,03); EBI_GENIO1 */ |
| top_set_pin(31, 01); /* EBI_GENIO2 top_set_pin(98,03); EBI_GENIO2 */ |
| top_set_pin(105, 02); /* EBI_GENIO3 top_set_pin(104,03); EBI_GENIO3 */ |
| top_set_pin(106, 02); /* EBI_GENIO4 top_set_pin(144,02); EBI_GENIO4 */ |
| top_set_pin(109, 02); /* EBI_GENIO5 top_set_pin(142,02); EBI_GENIO5 */ |
| top_set_pin(110, 02); /* EBI_BURST_CLK */ |
| #endif |
| |
| #if defined(CONFIG_VCT_PLATINUMAVC) |
| top_set_pin(19, 01); /* EBI_CS0 */ |
| top_set_pin(18, 01); /* EBI_CS1 */ |
| top_set_pin(17, 01); /* EBI_CS2 */ |
| top_set_pin(92, 02); /* EBI_CS3 */ |
| top_set_pin(93, 02); /* EBI_CS4 */ |
| top_set_pin(95, 02); /* EBI_CS6 */ |
| top_set_pin(96, 02); /* EBI_CS7 top_set_pin(104,03); EBI_GENIO3 */ |
| top_set_pin(20, 01); /* EBI_ALE */ |
| top_set_pin(21, 01); /* EBI_ADDR15 */ |
| top_set_pin(22, 01); /* EBI_ADDR14 top_set_pin(78,03); EBI_ADDR14 */ |
| top_set_pin(23, 01); /* EBI_ADDR13 */ |
| top_set_pin(24, 01); /* EBI_ADDR12 */ |
| top_set_pin(25, 01); /* EBI_ADDR11 */ |
| top_set_pin(26, 01); /* EBI_ADDR10 */ |
| top_set_pin(27, 01); /* EBI_ADDR9 */ |
| top_set_pin(28, 01); /* EBI_ADDR8 */ |
| top_set_pin(29, 01); /* EBI_ADDR7 */ |
| top_set_pin(30, 01); /* EBI_ADDR6 */ |
| top_set_pin(31, 01); /* EBI_ADDR5 */ |
| top_set_pin(32, 01); /* EBI_ADDR4 */ |
| top_set_pin(33, 01); /* EBI_ADDR3 */ |
| top_set_pin(34, 01); /* EBI_ADDR2 */ |
| top_set_pin(35, 01); /* EBI_ADDR1 */ |
| top_set_pin(36, 01); /* EBI_ADDR0 */ |
| top_set_pin(37, 01); /* EBI_DIR */ |
| top_set_pin(38, 01); /* EBI_DAT15 top_set_pin(81,01); EBI_DAT15 */ |
| top_set_pin(39, 01); /* EBI_DAT14 top_set_pin(82,01); EBI_DAT14 */ |
| top_set_pin(40, 01); /* EBI_DAT13 top_set_pin(83,01); EBI_DAT13 */ |
| top_set_pin(41, 01); /* EBI_DAT12 top_set_pin(84,01); EBI_DAT12 */ |
| top_set_pin(42, 01); /* EBI_DAT11 top_set_pin(85,01); EBI_DAT11 */ |
| top_set_pin(43, 01); /* EBI_DAT10 top_set_pin(86,01); EBI_DAT10 */ |
| top_set_pin(44, 01); /* EBI_DAT9 top_set_pin(87,01); EBI_DAT9 */ |
| top_set_pin(45, 01); /* EBI_DAT8 top_set_pin(88,01); EBI_DAT8 */ |
| top_set_pin(46, 01); /* EBI_DAT7 */ |
| top_set_pin(47, 01); /* EBI_DAT6 */ |
| top_set_pin(48, 01); /* EBI_DAT5 */ |
| top_set_pin(49, 01); /* EBI_DAT4 */ |
| top_set_pin(50, 01); /* EBI_DAT3 */ |
| top_set_pin(51, 01); /* EBI_DAT2 */ |
| top_set_pin(52, 01); /* EBI_DAT1 */ |
| top_set_pin(53, 01); /* EBI_DAT0 */ |
| top_set_pin(54, 01); /* EBI_IORD */ |
| top_set_pin(55, 01); /* EBI_IOWR */ |
| top_set_pin(56, 01); /* EBI_WE */ |
| top_set_pin(57, 01); /* EBI_OE */ |
| top_set_pin(58, 01); /* EBI_IORDY */ |
| top_set_pin(87, 02); /* EBI_EBI_DMACK*/ |
| top_set_pin(106, 02); /* EBI_IRQ0 */ |
| top_set_pin(105, 02); /* EBI_IRQ1 top_set_pin(111,03); EBI_DMARQ */ |
| top_set_pin(101, 02); /* EBI_IRQ2 */ |
| top_set_pin(102, 02); /* EBI_IRQ3 */ |
| top_set_pin(15, 01); /* EBI_GENIO1 top_set_pin(99,03); EBI_GENIO1 */ |
| top_set_pin(16, 01); /* EBI_GENIO2 top_set_pin(98,03); EBI_GENIO2 */ |
| top_set_pin(99, 02); /* EBI_GENIO3 top_set_pin(104,03); EBI_GENIO3 */ |
| top_set_pin(100, 02); /* EBI_GENIO4 top_set_pin(144,02); EBI_GENIO4 */ |
| top_set_pin(103, 02); /* EBI_GENIO5 top_set_pin(142,02); EBI_GENIO5 */ |
| top_set_pin(104, 02); /* EBI_BURST_CLK */ |
| #endif |
| |
| /* I2C: Configure I2C-2 as GPIO to enable soft-i2c */ |
| top_set_pin(0, 2); /* SCL2 on GPIO 11 */ |
| top_set_pin(1, 2); /* SDA2 on GPIO 10 */ |
| |
| /* UART pins */ |
| #if defined(CONFIG_VCT_PREMIUM) || defined(CONFIG_VCT_PLATINUM) |
| top_set_pin(141, 1); |
| top_set_pin(143, 1); |
| #endif |
| #if defined(CONFIG_VCT_PLATINUMAVC) |
| top_set_pin(107, 1); |
| top_set_pin(109, 1); |
| #endif |
| } |
