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u-boot/board/freescale/ls1046aqds/ls1046aqds.c
Stephen Carlson 1a0db0104e board: freescale: ls1046a: Update I2C mux config 
Updates the board configuration to enable use of the PCA9547 I2C mux.

Signed-off-by: Stephen Carlson <stcarlso@linux.microsoft.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2021-07-20 14:18:05 +05:30

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9.3 KiB
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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2016 Freescale Semiconductor, Inc.
* Copyright 2019-2020 NXP
*/
#include <common.h>
#include <i2c.h>
#include <fdt_support.h>
#include <fsl_ddr_sdram.h>
#include <init.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/ppa.h>
#include <asm/arch/fdt.h>
#include <asm/arch/mmu.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include <asm/arch-fsl-layerscape/fsl_icid.h>
#include <ahci.h>
#include <hwconfig.h>
#include <mmc.h>
#include <scsi.h>
#include <fm_eth.h>
#include <fsl_csu.h>
#include <fsl_esdhc.h>
#include <fsl_ifc.h>
#include <fsl_sec.h>
#include <spl.h>
#include "../common/i2c_mux.h"
#include "../common/vid.h"
#include "../common/qixis.h"
#include "ls1046aqds_qixis.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_SYS_I2C_EARLY_INIT
void i2c_early_init_f(void);
#endif
#ifdef CONFIG_TFABOOT
struct ifc_regs ifc_cfg_nor_boot[CONFIG_SYS_FSL_IFC_BANK_COUNT] = {
{
"nor0",
CONFIG_SYS_NOR0_CSPR,
CONFIG_SYS_NOR0_CSPR_EXT,
CONFIG_SYS_NOR_AMASK,
CONFIG_SYS_NOR_CSOR,
{
CONFIG_SYS_NOR_FTIM0,
CONFIG_SYS_NOR_FTIM1,
CONFIG_SYS_NOR_FTIM2,
CONFIG_SYS_NOR_FTIM3
},
},
{
"nor1",
CONFIG_SYS_NOR1_CSPR,
CONFIG_SYS_NOR1_CSPR_EXT,
CONFIG_SYS_NOR_AMASK,
CONFIG_SYS_NOR_CSOR,
{
CONFIG_SYS_NOR_FTIM0,
CONFIG_SYS_NOR_FTIM1,
CONFIG_SYS_NOR_FTIM2,
CONFIG_SYS_NOR_FTIM3
},
},
{
"nand",
CONFIG_SYS_NAND_CSPR,
CONFIG_SYS_NAND_CSPR_EXT,
CONFIG_SYS_NAND_AMASK,
CONFIG_SYS_NAND_CSOR,
{
CONFIG_SYS_NAND_FTIM0,
CONFIG_SYS_NAND_FTIM1,
CONFIG_SYS_NAND_FTIM2,
CONFIG_SYS_NAND_FTIM3
},
},
{
"fpga",
CONFIG_SYS_FPGA_CSPR,
CONFIG_SYS_FPGA_CSPR_EXT,
CONFIG_SYS_FPGA_AMASK,
CONFIG_SYS_FPGA_CSOR,
{
CONFIG_SYS_FPGA_FTIM0,
CONFIG_SYS_FPGA_FTIM1,
CONFIG_SYS_FPGA_FTIM2,
CONFIG_SYS_FPGA_FTIM3
},
}
};
struct ifc_regs ifc_cfg_nand_boot[CONFIG_SYS_FSL_IFC_BANK_COUNT] = {
{
"nand",
CONFIG_SYS_NAND_CSPR,
CONFIG_SYS_NAND_CSPR_EXT,
CONFIG_SYS_NAND_AMASK,
CONFIG_SYS_NAND_CSOR,
{
CONFIG_SYS_NAND_FTIM0,
CONFIG_SYS_NAND_FTIM1,
CONFIG_SYS_NAND_FTIM2,
CONFIG_SYS_NAND_FTIM3
},
},
{
"nor0",
CONFIG_SYS_NOR0_CSPR,
CONFIG_SYS_NOR0_CSPR_EXT,
CONFIG_SYS_NOR_AMASK,
CONFIG_SYS_NOR_CSOR,
{
CONFIG_SYS_NOR_FTIM0,
CONFIG_SYS_NOR_FTIM1,
CONFIG_SYS_NOR_FTIM2,
CONFIG_SYS_NOR_FTIM3
},
},
{
"nor1",
CONFIG_SYS_NOR1_CSPR,
CONFIG_SYS_NOR1_CSPR_EXT,
CONFIG_SYS_NOR_AMASK,
CONFIG_SYS_NOR_CSOR,
{
CONFIG_SYS_NOR_FTIM0,
CONFIG_SYS_NOR_FTIM1,
CONFIG_SYS_NOR_FTIM2,
CONFIG_SYS_NOR_FTIM3
},
},
{
"fpga",
CONFIG_SYS_FPGA_CSPR,
CONFIG_SYS_FPGA_CSPR_EXT,
CONFIG_SYS_FPGA_AMASK,
CONFIG_SYS_FPGA_CSOR,
{
CONFIG_SYS_FPGA_FTIM0,
CONFIG_SYS_FPGA_FTIM1,
CONFIG_SYS_FPGA_FTIM2,
CONFIG_SYS_FPGA_FTIM3
},
}
};
void ifc_cfg_boot_info(struct ifc_regs_info *regs_info)
{
enum boot_src src = get_boot_src();
if (src == BOOT_SOURCE_IFC_NAND)
regs_info->regs = ifc_cfg_nand_boot;
else
regs_info->regs = ifc_cfg_nor_boot;
regs_info->cs_size = CONFIG_SYS_FSL_IFC_BANK_COUNT;
}
#endif
enum {
MUX_TYPE_GPIO,
};
int checkboard(void)
{
#ifdef CONFIG_TFABOOT
enum boot_src src = get_boot_src();
#endif
char buf[64];
#ifndef CONFIG_SD_BOOT
u8 sw;
#endif
puts("Board: LS1046AQDS, boot from ");
#ifdef CONFIG_TFABOOT
if (src == BOOT_SOURCE_SD_MMC)
puts("SD\n");
else {
#endif
#ifdef CONFIG_SD_BOOT
puts("SD\n");
#else
sw = QIXIS_READ(brdcfg[0]);
sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
if (sw < 0x8)
printf("vBank: %d\n", sw);
else if (sw == 0x8)
puts("PromJet\n");
else if (sw == 0x9)
puts("NAND\n");
else if (sw == 0xF)
printf("QSPI\n");
else
printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
#endif
#ifdef CONFIG_TFABOOT
}
#endif
printf("Sys ID: 0x%02x, Sys Ver: 0x%02x\n",
QIXIS_READ(id), QIXIS_READ(arch));
printf("FPGA: v%d (%s), build %d\n",
(int)QIXIS_READ(scver), qixis_read_tag(buf),
(int)qixis_read_minor());
return 0;
}
bool if_board_diff_clk(void)
{
u8 diff_conf = QIXIS_READ(brdcfg[11]);
return diff_conf & 0x40;
}
unsigned long get_board_sys_clk(void)
{
u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
switch (sysclk_conf & 0x0f) {
case QIXIS_SYSCLK_64:
return 64000000;
case QIXIS_SYSCLK_83:
return 83333333;
case QIXIS_SYSCLK_100:
return 100000000;
case QIXIS_SYSCLK_125:
return 125000000;
case QIXIS_SYSCLK_133:
return 133333333;
case QIXIS_SYSCLK_150:
return 150000000;
case QIXIS_SYSCLK_160:
return 160000000;
case QIXIS_SYSCLK_166:
return 166666666;
}
return 66666666;
}
unsigned long get_board_ddr_clk(void)
{
u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
if (if_board_diff_clk())
return get_board_sys_clk();
switch ((ddrclk_conf & 0x30) >> 4) {
case QIXIS_DDRCLK_100:
return 100000000;
case QIXIS_DDRCLK_125:
return 125000000;
case QIXIS_DDRCLK_133:
return 133333333;
}
return 66666666;
}
#ifdef CONFIG_LPUART
u32 get_lpuart_clk(void)
{
return gd->bus_clk;
}
#endif
int dram_init(void)
{
/*
* When resuming from deep sleep, the I2C channel may not be
* in the default channel. So, switch to the default channel
* before accessing DDR SPD.
*
* PCA9547 mount on I2C1 bus
*/
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
fsl_initdram();
#if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
defined(CONFIG_SPL_BUILD)
/* This will break-before-make MMU for DDR */
update_early_mmu_table();
#endif
return 0;
}
int i2c_multiplexer_select_vid_channel(u8 channel)
{
return select_i2c_ch_pca9547(channel, 0);
}
int board_early_init_f(void)
{
u32 __iomem *cntcr = (u32 *)CONFIG_SYS_FSL_TIMER_ADDR;
#ifdef CONFIG_HAS_FSL_XHCI_USB
struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
u32 usb_pwrfault;
#endif
#ifdef CONFIG_LPUART
u8 uart;
#endif
/*
* Enable secure system counter for timer
*/
out_le32(cntcr, 0x1);
#ifdef CONFIG_SYS_I2C_EARLY_INIT
i2c_early_init_f();
#endif
fsl_lsch2_early_init_f();
#ifdef CONFIG_HAS_FSL_XHCI_USB
out_be32(&scfg->rcwpmuxcr0, 0x3333);
out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
SCFG_USBPWRFAULT_USB3_SHIFT) |
(SCFG_USBPWRFAULT_DEDICATED <<
SCFG_USBPWRFAULT_USB2_SHIFT) |
(SCFG_USBPWRFAULT_SHARED <<
SCFG_USBPWRFAULT_USB1_SHIFT);
out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
#endif
#ifdef CONFIG_LPUART
/* We use lpuart0 as system console */
uart = QIXIS_READ(brdcfg[14]);
uart &= ~CFG_UART_MUX_MASK;
uart |= CFG_LPUART_EN << CFG_UART_MUX_SHIFT;
QIXIS_WRITE(brdcfg[14], uart);
#endif
return 0;
}
#ifdef CONFIG_FSL_DEEP_SLEEP
/* determine if it is a warm boot */
bool is_warm_boot(void)
{
#define DCFG_CCSR_CRSTSR_WDRFR (1 << 3)
struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR)
return 1;
return 0;
}
#endif
int config_board_mux(int ctrl_type)
{
u8 reg14;
reg14 = QIXIS_READ(brdcfg[14]);
switch (ctrl_type) {
case MUX_TYPE_GPIO:
reg14 = (reg14 & (~0x6)) | 0x2;
break;
default:
puts("Unsupported mux interface type\n");
return -1;
}
QIXIS_WRITE(brdcfg[14], reg14);
return 0;
}
int config_serdes_mux(void)
{
return 0;
}
#ifdef CONFIG_MISC_INIT_R
int misc_init_r(void)
{
if (hwconfig("gpio"))
config_board_mux(MUX_TYPE_GPIO);
return 0;
}
#endif
int board_init(void)
{
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
#ifdef CONFIG_SYS_FSL_SERDES
config_serdes_mux();
#endif
if (adjust_vdd(0))
printf("Warning: Adjusting core voltage failed.\n");
#ifdef CONFIG_FSL_LS_PPA
ppa_init();
#endif
#ifdef CONFIG_NXP_ESBC
/*
* In case of Secure Boot, the IBR configures the SMMU
* to allow only Secure transactions.
* SMMU must be reset in bypass mode.
* Set the ClientPD bit and Clear the USFCFG Bit
*/
u32 val;
val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
out_le32(SMMU_SCR0, val);
val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
out_le32(SMMU_NSCR0, val);
#endif
#ifdef CONFIG_FSL_CAAM
sec_init();
#endif
return 0;
}
#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, struct bd_info *bd)
{
u64 base[CONFIG_NR_DRAM_BANKS];
u64 size[CONFIG_NR_DRAM_BANKS];
u8 reg;
/* fixup DT for the two DDR banks */
base[0] = gd->bd->bi_dram[0].start;
size[0] = gd->bd->bi_dram[0].size;
base[1] = gd->bd->bi_dram[1].start;
size[1] = gd->bd->bi_dram[1].size;
fdt_fixup_memory_banks(blob, base, size, 2);
ft_cpu_setup(blob, bd);
#ifdef CONFIG_SYS_DPAA_FMAN
#ifndef CONFIG_DM_ETH
fdt_fixup_fman_ethernet(blob);
#endif
fdt_fixup_board_enet(blob);
#endif
fdt_fixup_icid(blob);
reg = QIXIS_READ(brdcfg[0]);
reg = (reg & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
/* Disable IFC if QSPI is enabled */
if (reg == 0xF)
do_fixup_by_compat(blob, "fsl,ifc",
"status", "disabled", 8 + 1, 1);
return 0;
}
#endif
u8 flash_read8(void *addr)
{
return __raw_readb(addr + 1);
}
void flash_write16(u16 val, void *addr)
{
u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
__raw_writew(shftval, addr);
}
u16 flash_read16(void *addr)
{
u16 val = __raw_readw(addr);
return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
}
#if defined(CONFIG_TFABOOT) && defined(CONFIG_ENV_IS_IN_SPI_FLASH)
void *env_sf_get_env_addr(void)
{
return (void *)(CONFIG_SYS_FSL_QSPI_BASE + CONFIG_ENV_OFFSET);
}
#endif
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