mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 00:21:06 +00:00
2ac2e20ef8
The PPA is a EL3 firmware, which support PSCI, hotplug, power-management features etc. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
346 lines
6.5 KiB
C
346 lines
6.5 KiB
C
/*
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* Copyright 2016 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <i2c.h>
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#include <fdt_support.h>
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#include <fsl_ddr_sdram.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/fsl_serdes.h>
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#include <asm/arch/ppa.h>
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#include <asm/arch/fdt.h>
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#include <asm/arch/mmu.h>
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#include <asm/arch/soc.h>
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#include <ahci.h>
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#include <hwconfig.h>
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#include <mmc.h>
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#include <scsi.h>
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#include <fm_eth.h>
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#include <fsl_csu.h>
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#include <fsl_esdhc.h>
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#include <fsl_ifc.h>
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#include <fsl_sec.h>
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#include <spl.h>
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#include "../common/vid.h"
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#include "../common/qixis.h"
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#include "ls1046aqds_qixis.h"
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DECLARE_GLOBAL_DATA_PTR;
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enum {
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MUX_TYPE_GPIO,
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};
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int checkboard(void)
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{
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char buf[64];
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#ifndef CONFIG_SD_BOOT
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u8 sw;
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#endif
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puts("Board: LS1046AQDS, boot from ");
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#ifdef CONFIG_SD_BOOT
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puts("SD\n");
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#else
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sw = QIXIS_READ(brdcfg[0]);
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sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
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if (sw < 0x8)
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printf("vBank: %d\n", sw);
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else if (sw == 0x8)
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puts("PromJet\n");
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else if (sw == 0x9)
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puts("NAND\n");
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else if (sw == 0xF)
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printf("QSPI\n");
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else
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printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
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#endif
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printf("Sys ID: 0x%02x, Sys Ver: 0x%02x\n",
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QIXIS_READ(id), QIXIS_READ(arch));
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printf("FPGA: v%d (%s), build %d\n",
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(int)QIXIS_READ(scver), qixis_read_tag(buf),
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(int)qixis_read_minor());
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return 0;
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}
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bool if_board_diff_clk(void)
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{
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u8 diff_conf = QIXIS_READ(brdcfg[11]);
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return diff_conf & 0x40;
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}
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unsigned long get_board_sys_clk(void)
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{
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u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
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switch (sysclk_conf & 0x0f) {
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case QIXIS_SYSCLK_64:
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return 64000000;
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case QIXIS_SYSCLK_83:
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return 83333333;
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case QIXIS_SYSCLK_100:
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return 100000000;
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case QIXIS_SYSCLK_125:
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return 125000000;
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case QIXIS_SYSCLK_133:
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return 133333333;
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case QIXIS_SYSCLK_150:
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return 150000000;
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case QIXIS_SYSCLK_160:
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return 160000000;
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case QIXIS_SYSCLK_166:
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return 166666666;
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}
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return 66666666;
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}
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unsigned long get_board_ddr_clk(void)
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{
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u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
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if (if_board_diff_clk())
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return get_board_sys_clk();
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switch ((ddrclk_conf & 0x30) >> 4) {
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case QIXIS_DDRCLK_100:
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return 100000000;
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case QIXIS_DDRCLK_125:
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return 125000000;
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case QIXIS_DDRCLK_133:
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return 133333333;
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}
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return 66666666;
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}
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#ifdef CONFIG_LPUART
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u32 get_lpuart_clk(void)
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{
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return gd->bus_clk;
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}
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#endif
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int select_i2c_ch_pca9547(u8 ch)
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{
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int ret;
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ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
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if (ret) {
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puts("PCA: failed to select proper channel\n");
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return ret;
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}
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return 0;
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}
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int dram_init(void)
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{
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/*
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* When resuming from deep sleep, the I2C channel may not be
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* in the default channel. So, switch to the default channel
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* before accessing DDR SPD.
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*/
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select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
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fsl_initdram();
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#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
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/* This will break-before-make MMU for DDR */
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update_early_mmu_table();
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#endif
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return 0;
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}
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int i2c_multiplexer_select_vid_channel(u8 channel)
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{
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return select_i2c_ch_pca9547(channel);
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}
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int board_early_init_f(void)
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{
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#ifdef CONFIG_HAS_FSL_XHCI_USB
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struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
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u32 usb_pwrfault;
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#endif
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#ifdef CONFIG_LPUART
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u8 uart;
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#endif
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#ifdef CONFIG_SYS_I2C_EARLY_INIT
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i2c_early_init_f();
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#endif
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fsl_lsch2_early_init_f();
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#ifdef CONFIG_HAS_FSL_XHCI_USB
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out_be32(&scfg->rcwpmuxcr0, 0x3333);
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out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
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usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
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SCFG_USBPWRFAULT_USB3_SHIFT) |
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(SCFG_USBPWRFAULT_DEDICATED <<
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SCFG_USBPWRFAULT_USB2_SHIFT) |
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(SCFG_USBPWRFAULT_SHARED <<
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SCFG_USBPWRFAULT_USB1_SHIFT);
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out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
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#endif
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#ifdef CONFIG_LPUART
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/* We use lpuart0 as system console */
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uart = QIXIS_READ(brdcfg[14]);
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uart &= ~CFG_UART_MUX_MASK;
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uart |= CFG_LPUART_EN << CFG_UART_MUX_SHIFT;
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QIXIS_WRITE(brdcfg[14], uart);
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#endif
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return 0;
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}
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#ifdef CONFIG_FSL_DEEP_SLEEP
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/* determine if it is a warm boot */
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bool is_warm_boot(void)
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{
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#define DCFG_CCSR_CRSTSR_WDRFR (1 << 3)
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struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
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if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR)
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return 1;
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return 0;
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}
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#endif
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int config_board_mux(int ctrl_type)
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{
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u8 reg14;
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reg14 = QIXIS_READ(brdcfg[14]);
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switch (ctrl_type) {
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case MUX_TYPE_GPIO:
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reg14 = (reg14 & (~0x6)) | 0x2;
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break;
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default:
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puts("Unsupported mux interface type\n");
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return -1;
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}
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QIXIS_WRITE(brdcfg[14], reg14);
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return 0;
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}
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int config_serdes_mux(void)
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{
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return 0;
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}
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#ifdef CONFIG_MISC_INIT_R
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int misc_init_r(void)
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{
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if (hwconfig("gpio"))
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config_board_mux(MUX_TYPE_GPIO);
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return 0;
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}
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#endif
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int board_init(void)
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{
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select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
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#ifdef CONFIG_SYS_FSL_SERDES
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config_serdes_mux();
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#endif
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#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
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enable_layerscape_ns_access();
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#endif
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if (adjust_vdd(0))
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printf("Warning: Adjusting core voltage failed.\n");
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#ifdef CONFIG_FSL_LS_PPA
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ppa_init();
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#endif
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#ifdef CONFIG_SECURE_BOOT
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/*
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* In case of Secure Boot, the IBR configures the SMMU
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* to allow only Secure transactions.
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* SMMU must be reset in bypass mode.
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* Set the ClientPD bit and Clear the USFCFG Bit
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*/
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u32 val;
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val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
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out_le32(SMMU_SCR0, val);
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val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
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out_le32(SMMU_NSCR0, val);
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#endif
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#ifdef CONFIG_FSL_CAAM
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sec_init();
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#endif
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return 0;
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}
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#ifdef 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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u64 base[CONFIG_NR_DRAM_BANKS];
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u64 size[CONFIG_NR_DRAM_BANKS];
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u8 reg;
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/* fixup DT for the two DDR banks */
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base[0] = gd->bd->bi_dram[0].start;
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size[0] = gd->bd->bi_dram[0].size;
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base[1] = gd->bd->bi_dram[1].start;
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size[1] = gd->bd->bi_dram[1].size;
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fdt_fixup_memory_banks(blob, base, size, 2);
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ft_cpu_setup(blob, bd);
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#ifdef CONFIG_SYS_DPAA_FMAN
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fdt_fixup_fman_ethernet(blob);
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fdt_fixup_board_enet(blob);
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#endif
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reg = QIXIS_READ(brdcfg[0]);
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reg = (reg & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
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/* Disable IFC if QSPI is enabled */
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if (reg == 0xF)
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do_fixup_by_compat(blob, "fsl,ifc",
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"status", "disabled", 8 + 1, 1);
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return 0;
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}
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#endif
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u8 flash_read8(void *addr)
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{
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return __raw_readb(addr + 1);
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}
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void flash_write16(u16 val, void *addr)
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{
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u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
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__raw_writew(shftval, addr);
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}
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u16 flash_read16(void *addr)
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{
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u16 val = __raw_readw(addr);
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return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
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}
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