upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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360 lines
8.3 KiB
360 lines
8.3 KiB
/*
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* Copyright 2010-2011 Freescale Semiconductor, Inc.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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/processor.h>
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#include <asm/mmu.h>
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#include <asm/cache.h>
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#include <asm/immap_85xx.h>
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#include <asm/io.h>
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#include <miiphy.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <fsl_mdio.h>
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#include <tsec.h>
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#include <mmc.h>
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#include <netdev.h>
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#include <pci.h>
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#include <asm/fsl_serdes.h>
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#include <asm/fsl_ifc.h>
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#include <asm/fsl_pci.h>
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#ifndef CONFIG_SDCARD
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#include <hwconfig.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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#define GPIO4_PCIE_RESET_SET 0x08000000
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#define MUX_CPLD_CAN_UART 0x00
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#define MUX_CPLD_TDM 0x01
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#define MUX_CPLD_SPICS0_FLASH 0x00
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#define MUX_CPLD_SPICS0_SLIC 0x02
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#ifndef CONFIG_SDCARD
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struct cpld_data {
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u8 cpld_ver; /* cpld revision */
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u8 pcba_ver; /* pcb revision number */
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u8 twindie_ddr3;
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u8 res1[6];
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u8 bank_sel; /* NOR Flash bank */
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u8 res2[5];
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u8 usb2_sel;
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u8 res3[1];
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u8 porsw_sel;
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u8 tdm_can_sel;
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u8 spi_cs0_sel; /* SPI CS0 SLIC/SPI Flash */
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u8 por0; /* POR Options */
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u8 por1; /* POR Options */
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u8 por2; /* POR Options */
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u8 por3; /* POR Options */
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};
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void cpld_show(void)
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{
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struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
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printf("CPLD: V%x.%x PCBA: V%x.0\n",
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in_8(&cpld_data->cpld_ver) & 0xF0,
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in_8(&cpld_data->cpld_ver) & 0x0F,
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in_8(&cpld_data->pcba_ver) & 0x0F);
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#ifdef CONFIG_DEBUG
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printf("twindie_ddr =%x\n",
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in_8(&cpld_data->twindie_ddr3));
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printf("bank_sel =%x\n",
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in_8(&cpld_data->bank_sel));
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printf("usb2_sel =%x\n",
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in_8(&cpld_data->usb2_sel));
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printf("porsw_sel =%x\n",
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in_8(&cpld_data->porsw_sel));
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printf("tdm_can_sel =%x\n",
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in_8(&cpld_data->tdm_can_sel));
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printf("tdm_can_sel =%x\n",
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in_8(&cpld_data->tdm_can_sel));
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printf("spi_cs0_sel =%x\n",
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in_8(&cpld_data->spi_cs0_sel));
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printf("bcsr0 =%x\n",
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in_8(&cpld_data->bcsr0));
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printf("bcsr1 =%x\n",
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in_8(&cpld_data->bcsr1));
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printf("bcsr2 =%x\n",
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in_8(&cpld_data->bcsr2));
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printf("bcsr3 =%x\n",
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in_8(&cpld_data->bcsr3));
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#endif
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}
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#endif
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int board_early_init_f(void)
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{
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ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
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#ifndef CONFIG_SDCARD
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struct fsl_ifc *ifc = (void *)CONFIG_SYS_IFC_ADDR;
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/* Clock configuration to access CPLD using IFC(GPCM) */
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setbits_be32(&ifc->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT);
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#endif
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/*
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* Reset PCIe slots via GPIO4
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*/
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setbits_be32(&pgpio->gpdir, GPIO4_PCIE_RESET_SET);
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setbits_be32(&pgpio->gpdat, GPIO4_PCIE_RESET_SET);
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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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#ifndef CONFIG_SDCARD
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const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
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const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
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/*
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* Remap Boot flash region to caching-inhibited
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* so that flash can be erased properly.
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*/
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/* Flush d-cache and invalidate i-cache of any FLASH data */
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flush_dcache();
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invalidate_icache();
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/* invalidate existing TLB entry for flash */
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disable_tlb(flash_esel);
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set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, flash_esel, BOOKE_PAGESZ_16M, 1);
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set_tlb(1, flashbase + 0x1000000,
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CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, flash_esel+1, BOOKE_PAGESZ_16M, 1);
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#endif
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return 0;
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}
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#ifdef CONFIG_PCI
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void pci_init_board(void)
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{
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fsl_pcie_init_board(0);
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}
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#endif /* ifdef CONFIG_PCI */
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int checkboard(void)
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{
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struct cpu_type *cpu;
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cpu = gd->cpu;
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printf("Board: %sRDB\n", cpu->name);
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return 0;
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}
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#ifdef CONFIG_TSEC_ENET
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int board_eth_init(bd_t *bis)
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{
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struct fsl_pq_mdio_info mdio_info;
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struct tsec_info_struct tsec_info[4];
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struct cpu_type *cpu;
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int num = 0;
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cpu = gd->cpu;
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#ifdef CONFIG_TSEC1
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SET_STD_TSEC_INFO(tsec_info[num], 1);
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num++;
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#endif
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#ifdef CONFIG_TSEC2
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SET_STD_TSEC_INFO(tsec_info[num], 2);
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num++;
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#endif
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#ifdef CONFIG_TSEC3
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/* P1014 and it's derivatives do not support eTSEC3 */
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if (cpu->soc_ver != SVR_P1014 && cpu->soc_ver != SVR_P1014_E) {
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SET_STD_TSEC_INFO(tsec_info[num], 3);
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num++;
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}
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#endif
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if (!num) {
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printf("No TSECs initialized\n");
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return 0;
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}
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mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
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mdio_info.name = DEFAULT_MII_NAME;
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fsl_pq_mdio_init(bis, &mdio_info);
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tsec_eth_init(bis, tsec_info, num);
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return pci_eth_init(bis);
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}
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#endif
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#if defined(CONFIG_OF_BOARD_SETUP)
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void fdt_del_flexcan(void *blob)
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{
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int nodeoff = 0;
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while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
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"fsl,flexcan-v1.0")) >= 0) {
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fdt_del_node(blob, nodeoff);
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}
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}
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void fdt_del_spi_flash(void *blob)
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{
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int nodeoff = 0;
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while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
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"spansion,s25sl12801")) >= 0) {
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fdt_del_node(blob, nodeoff);
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}
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}
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void fdt_del_spi_slic(void *blob)
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{
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int nodeoff = 0;
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while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
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"zarlink,le88266")) >= 0) {
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fdt_del_node(blob, nodeoff);
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}
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}
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void fdt_del_tdm(void *blob)
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{
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int nodeoff = 0;
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while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
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"fsl,starlite-tdm")) >= 0) {
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fdt_del_node(blob, nodeoff);
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}
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}
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void fdt_del_sdhc(void *blob)
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{
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int nodeoff = 0;
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while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
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"fsl,esdhc")) >= 0) {
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fdt_del_node(blob, nodeoff);
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}
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}
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void fdt_disable_uart1(void *blob)
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{
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int nodeoff;
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nodeoff = fdt_node_offset_by_compat_reg(blob, "fsl,ns16550",
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CONFIG_SYS_NS16550_COM2);
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if (nodeoff > 0) {
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fdt_status_disabled(blob, nodeoff);
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} else {
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printf("WARNING unable to set status for fsl,ns16550 "
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"uart1: %s\n", fdt_strerror(nodeoff));
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}
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}
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void ft_board_setup(void *blob, bd_t *bd)
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{
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phys_addr_t base;
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phys_size_t size;
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struct cpu_type *cpu;
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cpu = gd->cpu;
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ft_cpu_setup(blob, bd);
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base = getenv_bootm_low();
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size = getenv_bootm_size();
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#if defined(CONFIG_PCI)
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FT_FSL_PCI_SETUP;
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#endif
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fdt_fixup_memory(blob, (u64)base, (u64)size);
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#if defined(CONFIG_HAS_FSL_DR_USB)
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fdt_fixup_dr_usb(blob, bd);
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#endif
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/* P1014 and it's derivatives don't support CAN and eTSEC3 */
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if (cpu->soc_ver == SVR_P1014 || cpu->soc_ver == SVR_P1014_E) {
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fdt_del_flexcan(blob);
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fdt_del_node_and_alias(blob, "ethernet2");
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}
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#ifndef CONFIG_SDCARD
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/* disable sdhc due to sdhc bug */
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fdt_del_sdhc(blob);
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if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) {
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fdt_del_tdm(blob);
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fdt_del_spi_slic(blob);
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} else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) {
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fdt_del_flexcan(blob);
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fdt_del_spi_flash(blob);
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fdt_disable_uart1(blob);
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} else {
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/*
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* If we don't set fsl_p1010mux:tdm_can to "can" or "tdm"
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* explicitly, defaultly spi_cs_sel to spi-flash instead of
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* to tdm/slic.
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*/
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fdt_del_tdm(blob);
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fdt_del_flexcan(blob);
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fdt_disable_uart1(blob);
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}
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#endif
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}
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#endif
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#ifndef CONFIG_SDCARD
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int misc_init_r(void)
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{
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struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
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ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) {
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clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN1_TDM |
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MPC85xx_PMUXCR_CAN1_UART |
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MPC85xx_PMUXCR_CAN2_TDM |
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MPC85xx_PMUXCR_CAN2_UART);
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out_8(&cpld_data->tdm_can_sel, MUX_CPLD_CAN_UART);
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} else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) {
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clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_UART |
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MPC85xx_PMUXCR_CAN1_UART);
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setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_TDM |
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MPC85xx_PMUXCR_CAN1_TDM);
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clrbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_GPIO);
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setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_TDM);
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out_8(&cpld_data->tdm_can_sel, MUX_CPLD_TDM);
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out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_SLIC);
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} else {
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/* defaultly spi_cs_sel to flash */
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out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_FLASH);
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}
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return 0;
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}
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#endif
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