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https://github.com/brain-hackers/u-boot-brain
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![Tom Rini](/assets/img/avatar_default.png)
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
222 lines
5.3 KiB
C
222 lines
5.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2007 Freescale Semiconductor, Inc.
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* Kevin Lam <kevin.lam@freescale.com>
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* Joe D'Abbraccio <joe.d'abbraccio@freescale.com>
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*/
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#include <common.h>
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#include <hwconfig.h>
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#include <i2c.h>
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#include <asm/io.h>
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#include <asm/fsl_mpc83xx_serdes.h>
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#include <fdt_support.h>
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#include <spd_sdram.h>
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#include <vsc7385.h>
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#include <fsl_esdhc.h>
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DECLARE_GLOBAL_DATA_PTR;
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#if defined(CONFIG_SYS_DRAM_TEST)
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int
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testdram(void)
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{
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uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
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uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
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uint *p;
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printf("Testing DRAM from 0x%08x to 0x%08x\n",
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CONFIG_SYS_MEMTEST_START,
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CONFIG_SYS_MEMTEST_END);
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printf("DRAM test phase 1:\n");
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for (p = pstart; p < pend; p++)
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*p = 0xaaaaaaaa;
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for (p = pstart; p < pend; p++) {
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if (*p != 0xaaaaaaaa) {
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printf("DRAM test fails at: %08x\n", (uint) p);
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return 1;
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}
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}
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printf("DRAM test phase 2:\n");
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for (p = pstart; p < pend; p++)
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*p = 0x55555555;
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for (p = pstart; p < pend; p++) {
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if (*p != 0x55555555) {
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printf("DRAM test fails at: %08x\n", (uint) p);
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return 1;
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}
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}
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printf("DRAM test passed.\n");
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return 0;
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}
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#endif
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#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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void ddr_enable_ecc(unsigned int dram_size);
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#endif
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int fixed_sdram(void);
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int dram_init(void)
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{
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immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
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u32 msize = 0;
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if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
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return -ENXIO;
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#if defined(CONFIG_SPD_EEPROM)
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msize = spd_sdram();
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#else
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msize = fixed_sdram();
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#endif
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#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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/* Initialize DDR ECC byte */
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ddr_enable_ecc(msize * 1024 * 1024);
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#endif
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/* return total bus DDR size(bytes) */
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gd->ram_size = msize * 1024 * 1024;
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return 0;
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}
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#if !defined(CONFIG_SPD_EEPROM)
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/*************************************************************************
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* fixed sdram init -- doesn't use serial presence detect.
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************************************************************************/
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int fixed_sdram(void)
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{
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immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
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u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
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u32 msize_log2 = __ilog2(msize);
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im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
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im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
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im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE;
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udelay(50000);
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im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL;
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udelay(1000);
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im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
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im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
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udelay(1000);
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im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
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im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
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im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
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im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
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im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
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im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
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im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
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im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
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im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
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sync();
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udelay(1000);
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im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
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udelay(2000);
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return CONFIG_SYS_DDR_SIZE;
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}
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#endif /*!CONFIG_SYS_SPD_EEPROM */
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int checkboard(void)
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{
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puts("Board: Freescale MPC837xERDB\n");
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return 0;
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}
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int board_early_init_f(void)
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{
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#ifdef CONFIG_FSL_SERDES
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immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
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u32 spridr = in_be32(&immr->sysconf.spridr);
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/* we check only part num, and don't look for CPU revisions */
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switch (PARTID_NO_E(spridr)) {
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case SPR_8377:
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fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
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FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
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fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
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FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
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break;
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case SPR_8378:
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fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
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FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
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break;
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case SPR_8379:
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fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
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FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
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fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_SATA,
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FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
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break;
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default:
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printf("serdes not configured: unknown CPU part number: "
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"%04x\n", spridr >> 16);
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break;
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}
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#endif /* CONFIG_FSL_SERDES */
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return 0;
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}
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#ifdef CONFIG_FSL_ESDHC
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int board_mmc_init(bd_t *bd)
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{
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struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
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char buffer[HWCONFIG_BUFFER_SIZE] = {0};
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int esdhc_hwconfig_enabled = 0;
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if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0)
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esdhc_hwconfig_enabled = hwconfig_f("esdhc", buffer);
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if (esdhc_hwconfig_enabled == 0)
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return 0;
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clrsetbits_be32(&im->sysconf.sicrl, SICRL_USB_B, SICRL_USB_B_SD);
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clrsetbits_be32(&im->sysconf.sicrh, SICRH_SPI, SICRH_SPI_SD);
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return fsl_esdhc_mmc_init(bd);
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}
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#endif
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/*
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* Miscellaneous late-boot configurations
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*
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* If a VSC7385 microcode image is present, then upload it.
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*/
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int misc_init_r(void)
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{
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int rc = 0;
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#ifdef CONFIG_VSC7385_IMAGE
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if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
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CONFIG_VSC7385_IMAGE_SIZE)) {
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puts("Failure uploading VSC7385 microcode.\n");
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rc = 1;
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}
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#endif
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return rc;
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}
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#if defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, bd_t *bd)
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{
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#ifdef CONFIG_PCI
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ft_pci_setup(blob, bd);
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#endif
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ft_cpu_setup(blob, bd);
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fsl_fdt_fixup_dr_usb(blob, bd);
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fdt_fixup_esdhc(blob, bd);
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return 0;
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}
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#endif /* CONFIG_OF_BOARD_SETUP */
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