mirror of
https://github.com/AsahiLinux/u-boot
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231 lines
6.6 KiB
C
231 lines
6.6 KiB
C
/*
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* (C) Copyright 2009
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* Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
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*
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* Based on board/amcc/canyonlands/canyonlands.c
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* (C) Copyright 2008
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/ppc440.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <i2c.h>
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#include <asm/processor.h>
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#include <asm/io.h>
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#include <asm/mmu.h>
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#include <asm/4xx_pcie.h>
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#include <asm/ppc4xx-gpio.h>
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extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
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DECLARE_GLOBAL_DATA_PTR;
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#define CONFIG_SYS_BCSR3_PCIE 0x10
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int board_early_init_f(void)
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{
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/*
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* Setup the interrupt controller polarities, triggers, etc.
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*/
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mtdcr(UIC0SR, 0xffffffff); /* clear all */
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mtdcr(UIC0ER, 0x00000000); /* disable all */
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mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
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mtdcr(UIC0PR, 0xffffffff); /* per ref-board manual */
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mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
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mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
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mtdcr(UIC0SR, 0xffffffff); /* clear all */
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mtdcr(UIC1SR, 0xffffffff); /* clear all */
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mtdcr(UIC1ER, 0x00000000); /* disable all */
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mtdcr(UIC1CR, 0x00000000); /* all non-critical */
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mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
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mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
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mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
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mtdcr(UIC1SR, 0xffffffff); /* clear all */
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mtdcr(UIC2SR, 0xffffffff); /* clear all */
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mtdcr(UIC2ER, 0x00000000); /* disable all */
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mtdcr(UIC2CR, 0x00000000); /* all non-critical */
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mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
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mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
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mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
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mtdcr(UIC2SR, 0xffffffff); /* clear all */
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mtdcr(UIC3SR, 0xffffffff); /* clear all */
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mtdcr(UIC3ER, 0x00000000); /* disable all */
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mtdcr(UIC3CR, 0x00000000); /* all non-critical */
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mtdcr(UIC3PR, 0xffffffff); /* per ref-board manual */
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mtdcr(UIC3TR, 0x00000000); /* per ref-board manual */
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mtdcr(UIC3VR, 0x00000000); /* int31 highest, base=0x000 */
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mtdcr(UIC3SR, 0xffffffff); /* clear all */
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/*
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* Configure PFC (Pin Function Control) registers
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* enable GPIO 49-63
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* UART0: 4 pins
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*/
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mtsdr(SDR0_PFC0, 0x00007fff);
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mtsdr(SDR0_PFC1, 0x00040000);
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/* Enable PCI host functionality in SDR0_PCI0 */
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mtsdr(SDR0_PCI0, 0xe0000000);
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mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */
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/* Setup PLB4-AHB bridge based on the system address map */
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mtdcr(AHB_TOP, 0x8000004B);
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mtdcr(AHB_BOT, 0x8000004B);
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/*
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* Configure USB-STP pins as alternate and not GPIO
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* It seems to be neccessary to configure the STP pins as GPIO
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* input at powerup (perhaps while USB reset is asserted). So
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* we configure those pins to their "real" function now.
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*/
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gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
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gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
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/* Trigger board component reset */
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out_le16((void *)CONFIG_SYS_IO_BASE, 0xffff);
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out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffff);
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udelay(50);
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out_le16((void *)CONFIG_SYS_IO_BASE, 0xffbf);
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out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffbf);
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udelay(50);
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out_le16((void *)CONFIG_SYS_IO_BASE, 0xffff);
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out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffff);
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return 0;
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}
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int get_cpu_num(void)
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{
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int cpu = NA_OR_UNKNOWN_CPU;
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return cpu;
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}
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int checkboard(void)
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{
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char *s = getenv("serial#");
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#ifdef CONFIG_DEVCONCENTER
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printf("Board: DevCon-Center");
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#else
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printf("Board: Intip");
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#endif
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if (s != NULL) {
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puts(", serial# ");
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puts(s);
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}
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putc('\n');
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return 0;
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}
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int board_early_init_r(void)
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{
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/*
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* CompactCenter has 64MBytes, DevCon-Center 128MBytes of NOR FLASH
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* (Spansion 29GL512), but the boot EBC mapping only supports a maximum
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* of 16MBytes (4.ff00.0000 - 4.ffff.ffff).
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* To solve this problem, the FLASH has to get remapped to another
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* EBC address which accepts bigger regions:
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*
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* 0xfn00.0000 -> 4.cn00.0000
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*/
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u32 bxcr_bw = (CONFIG_SYS_FLASH_SIZE == 128 << 20) ?
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EBC_BXCR_BS_128MB : EBC_BXCR_BS_64MB;
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/* Remap the NOR FLASH to 0xcn00.0000 ... 0xcfff.ffff */
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mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L
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| bxcr_bw
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| EBC_BXCR_BU_RW
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| EBC_BXCR_BW_16BIT);
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/* Remove TLB entry of boot EBC mapping */
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remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20);
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/* Add TLB entry for 0xfn00.0000 -> 0x4.cn00.0000 */
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program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE,
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CONFIG_SYS_FLASH_SIZE, TLB_WORD2_I_ENABLE);
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/*
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* Now accessing of the whole 64Mbytes of NOR FLASH at virtual address
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* 0xfc00.0000 is possible
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*/
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/*
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* Clear potential errors resulting from auto-calibration.
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* If not done, then we could get an interrupt later on when
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* exceptions are enabled.
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*/
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set_mcsr(get_mcsr());
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return 0;
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}
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int misc_init_r(void)
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{
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u32 sdr0_srst1 = 0;
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u32 eth_cfg;
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/*
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* Set EMAC mode/configuration (GMII, SGMII, RGMII...).
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* This is board specific, so let's do it here.
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*/
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mfsdr(SDR0_ETH_CFG, eth_cfg);
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/* disable SGMII mode */
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eth_cfg &= ~(SDR0_ETH_CFG_SGMII2_ENABLE |
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SDR0_ETH_CFG_SGMII1_ENABLE |
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SDR0_ETH_CFG_SGMII0_ENABLE);
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/* Set the for 2 RGMII mode */
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/* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
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eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL;
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eth_cfg |= SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
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mtsdr(SDR0_ETH_CFG, eth_cfg);
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/*
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* The AHB Bridge core is held in reset after power-on or reset
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* so enable it now
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*/
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mfsdr(SDR0_SRST1, sdr0_srst1);
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sdr0_srst1 &= ~SDR0_SRST1_AHB;
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mtsdr(SDR0_SRST1, sdr0_srst1);
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return 0;
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}
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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extern void __ft_board_setup(void *blob, bd_t *bd);
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void ft_board_setup(void *blob, bd_t *bd)
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{
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__ft_board_setup(blob, bd);
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fdt_find_and_setprop(blob, "/plb/pciex@d00000000", "status",
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"disabled", sizeof("disabled"), 1);
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fdt_find_and_setprop(blob, "/plb/sata@bffd1000", "status",
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"disabled", sizeof("disabled"), 1);
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}
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#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
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