/* * (C) Copyright 2009 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de * * Based on board/amcc/canyonlands/canyonlands.c * (C) Copyright 2008 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * 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 <asm/ppc440.h> #include <libfdt.h> #include <fdt_support.h> #include <i2c.h> #include <asm/processor.h> #include <asm/io.h> #include <asm/mmu.h> #include <asm/4xx_pcie.h> #include <asm/ppc4xx-gpio.h> extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; DECLARE_GLOBAL_DATA_PTR; #define CONFIG_SYS_BCSR3_PCIE 0x10 int board_early_init_f(void) { /* * Setup the interrupt controller polarities, triggers, etc. */ mtdcr(UIC0SR, 0xffffffff); /* clear all */ mtdcr(UIC0ER, 0x00000000); /* disable all */ mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */ mtdcr(UIC0PR, 0xffffffff); /* per ref-board manual */ mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */ mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */ mtdcr(UIC0SR, 0xffffffff); /* clear all */ mtdcr(UIC1SR, 0xffffffff); /* clear all */ mtdcr(UIC1ER, 0x00000000); /* disable all */ mtdcr(UIC1CR, 0x00000000); /* all non-critical */ mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */ mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */ mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */ mtdcr(UIC1SR, 0xffffffff); /* clear all */ mtdcr(UIC2SR, 0xffffffff); /* clear all */ mtdcr(UIC2ER, 0x00000000); /* disable all */ mtdcr(UIC2CR, 0x00000000); /* all non-critical */ mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */ mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */ mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */ mtdcr(UIC2SR, 0xffffffff); /* clear all */ mtdcr(UIC3SR, 0xffffffff); /* clear all */ mtdcr(UIC3ER, 0x00000000); /* disable all */ mtdcr(UIC3CR, 0x00000000); /* all non-critical */ mtdcr(UIC3PR, 0xffffffff); /* per ref-board manual */ mtdcr(UIC3TR, 0x00000000); /* per ref-board manual */ mtdcr(UIC3VR, 0x00000000); /* int31 highest, base=0x000 */ mtdcr(UIC3SR, 0xffffffff); /* clear all */ /* * Configure PFC (Pin Function Control) registers * enable GPIO 49-63 * UART0: 4 pins */ mtsdr(SDR0_PFC0, 0x00007fff); mtsdr(SDR0_PFC1, 0x00040000); /* Enable PCI host functionality in SDR0_PCI0 */ mtsdr(SDR0_PCI0, 0xe0000000); mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */ /* Setup PLB4-AHB bridge based on the system address map */ mtdcr(AHB_TOP, 0x8000004B); mtdcr(AHB_BOT, 0x8000004B); /* * Configure USB-STP pins as alternate and not GPIO * It seems to be neccessary to configure the STP pins as GPIO * input at powerup (perhaps while USB reset is asserted). So * we configure those pins to their "real" function now. */ gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1); gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1); /* Trigger board component reset */ out_le16((void *)CONFIG_SYS_IO_BASE, 0xffff); out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffff); udelay(50); out_le16((void *)CONFIG_SYS_IO_BASE, 0xffbf); out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffbf); udelay(50); out_le16((void *)CONFIG_SYS_IO_BASE, 0xffff); out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffff); return 0; } int get_cpu_num(void) { int cpu = NA_OR_UNKNOWN_CPU; return cpu; } int checkboard(void) { char buf[64]; int i = getenv_f("serial#", buf, sizeof(buf)); #ifdef CONFIG_DEVCONCENTER printf("Board: DevCon-Center"); #else printf("Board: Intip"); #endif if (i > 0) { puts(", serial# "); puts(buf); } putc('\n'); return 0; } int board_early_init_r(void) { /* * CompactCenter has 64MBytes, DevCon-Center 128MBytes of NOR FLASH * (Spansion 29GL512), but the boot EBC mapping only supports a maximum * of 16MBytes (4.ff00.0000 - 4.ffff.ffff). * To solve this problem, the FLASH has to get remapped to another * EBC address which accepts bigger regions: * * 0xfn00.0000 -> 4.cn00.0000 */ u32 bxcr_bw = (CONFIG_SYS_FLASH_SIZE == 128 << 20) ? EBC_BXCR_BS_128MB : EBC_BXCR_BS_64MB; /* Remap the NOR FLASH to 0xcn00.0000 ... 0xcfff.ffff */ mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L | bxcr_bw | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT); /* Remove TLB entry of boot EBC mapping */ remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20); /* Add TLB entry for 0xfn00.0000 -> 0x4.cn00.0000 */ program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE, TLB_WORD2_I_ENABLE); /* * Now accessing of the whole 64Mbytes of NOR FLASH at virtual address * 0xfc00.0000 is possible */ /* * Clear potential errors resulting from auto-calibration. * If not done, then we could get an interrupt later on when * exceptions are enabled. */ set_mcsr(get_mcsr()); return 0; } int misc_init_r(void) { u32 sdr0_srst1 = 0; u32 eth_cfg; /* * Set EMAC mode/configuration (GMII, SGMII, RGMII...). * This is board specific, so let's do it here. */ mfsdr(SDR0_ETH_CFG, eth_cfg); /* disable SGMII mode */ eth_cfg &= ~(SDR0_ETH_CFG_SGMII2_ENABLE | SDR0_ETH_CFG_SGMII1_ENABLE | SDR0_ETH_CFG_SGMII0_ENABLE); /* Set the for 2 RGMII mode */ /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */ eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL; eth_cfg |= SDR0_ETH_CFG_GMC1_BRIDGE_SEL; mtsdr(SDR0_ETH_CFG, eth_cfg); /* * The AHB Bridge core is held in reset after power-on or reset * so enable it now */ mfsdr(SDR0_SRST1, sdr0_srst1); sdr0_srst1 &= ~SDR0_SRST1_AHB; mtsdr(SDR0_SRST1, sdr0_srst1); return 0; } #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) extern void __ft_board_setup(void *blob, bd_t *bd); void ft_board_setup(void *blob, bd_t *bd) { __ft_board_setup(blob, bd); fdt_find_and_setprop(blob, "/plb/pciex@d00000000", "status", "disabled", sizeof("disabled"), 1); fdt_find_and_setprop(blob, "/plb/sata@bffd1000", "status", "disabled", sizeof("disabled"), 1); } #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */