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u-boot/board/freescale/ls1088a/ls1088a.c
Yangbo Lu 44cdb5b6a1 armv8: ls1088ardb: support force SDHC mode by hwconfig 
The BRDCFG5[SPISDHC] register field of Qixis device is used
to control SPI and SDHC signal routing.

10 = Force SDHC Mode
  - SPI_CS[0] is routed to CPLD for SDHC_VS use.
  - SPI_CS[1] is unused.
  - SPI_CS[2:3] are routed to the TDMRiser slot.

11 = Force eMMC Mode
  - SPI_CS[0:3] are routed to the eMMC card.

0X = Auto Mode
  - If SDHC_CS_B=0 (SDHC card installed): Use SDHC mode
    described above.
  - Else SDHC_CS_B=1 (no SDHC card installed): Use eMMC
    mode described above.

In default the hardware uses auto mode, but sometimes we need
to use force SDHC mode to support SD card hotplug, or SD sleep
waking up in kernel. This patch is to support force SDHC mode
by hwconfig.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
2017-12-13 13:40:29 -08:00

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/*
* Copyright 2017 NXP
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <i2c.h>
#include <malloc.h>
#include <errno.h>
#include <netdev.h>
#include <fsl_ifc.h>
#include <fsl_ddr.h>
#include <fsl_sec.h>
#include <asm/io.h>
#include <fdt_support.h>
#include <libfdt.h>
#include <fsl-mc/fsl_mc.h>
#include <environment.h>
#include <asm/arch-fsl-layerscape/soc.h>
#include <asm/arch/ppa.h>
#include <hwconfig.h>
#include "../common/qixis.h"
#include "ls1088a_qixis.h"
DECLARE_GLOBAL_DATA_PTR;
unsigned long long get_qixis_addr(void)
{
unsigned long long addr;
if (gd->flags & GD_FLG_RELOC)
addr = QIXIS_BASE_PHYS;
else
addr = QIXIS_BASE_PHYS_EARLY;
/*
* IFC address under 256MB is mapped to 0x30000000, any address above
* is mapped to 0x5_10000000 up to 4GB.
*/
addr = addr > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000;
return addr;
}
int checkboard(void)
{
char buf[64];
u8 sw;
static const char *const freq[] = {"100", "125", "156.25",
"100 separate SSCG"};
int clock;
#ifdef CONFIG_TARGET_LS1088AQDS
printf("Board: LS1088A-QDS, ");
#else
printf("Board: LS1088A-RDB, ");
#endif
sw = QIXIS_READ(arch);
printf("Board Arch: V%d, ", sw >> 4);
#ifdef CONFIG_TARGET_LS1088AQDS
printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1);
#else
printf("Board version: %c, boot from ", (sw & 0xf) + 'A');
#endif
memset((u8 *)buf, 0x00, ARRAY_SIZE(buf));
sw = QIXIS_READ(brdcfg[0]);
sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
#ifdef CONFIG_SD_BOOT
puts("SD card\n");
#endif
switch (sw) {
#ifdef CONFIG_TARGET_LS1088AQDS
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
printf("vBank: %d\n", sw);
break;
case 8:
puts("PromJet\n");
break;
case 15:
puts("IFCCard\n");
break;
case 14:
#else
case 0:
#endif
puts("QSPI:");
sw = QIXIS_READ(brdcfg[0]);
sw = (sw & QIXIS_QMAP_MASK) >> QIXIS_QMAP_SHIFT;
if (sw == 0 || sw == 4)
puts("0\n");
else if (sw == 1)
puts("1\n");
else
puts("EMU\n");
break;
default:
printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
break;
}
#ifdef CONFIG_TARGET_LS1088AQDS
printf("FPGA: v%d (%s), build %d",
(int)QIXIS_READ(scver), qixis_read_tag(buf),
(int)qixis_read_minor());
/* the timestamp string contains "\n" at the end */
printf(" on %s", qixis_read_time(buf));
#else
printf("CPLD: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata));
#endif
/*
* Display the actual SERDES reference clocks as configured by the
* dip switches on the board. Note that the SWx registers could
* technically be set to force the reference clocks to match the
* values that the SERDES expects (or vice versa). For now, however,
* we just display both values and hope the user notices when they
* don't match.
*/
puts("SERDES1 Reference : ");
sw = QIXIS_READ(brdcfg[2]);
clock = (sw >> 6) & 3;
printf("Clock1 = %sMHz ", freq[clock]);
clock = (sw >> 4) & 3;
printf("Clock2 = %sMHz", freq[clock]);
puts("\nSERDES2 Reference : ");
clock = (sw >> 2) & 3;
printf("Clock1 = %sMHz ", freq[clock]);
clock = (sw >> 0) & 3;
printf("Clock2 = %sMHz\n", freq[clock]);
return 0;
}
bool if_board_diff_clk(void)
{
#ifdef CONFIG_TARGET_LS1088AQDS
u8 diff_conf = QIXIS_READ(brdcfg[11]);
return diff_conf & 0x40;
#else
u8 diff_conf = QIXIS_READ(dutcfg[11]);
return diff_conf & 0x80;
#endif
}
unsigned long get_board_sys_clk(void)
{
u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
switch (sysclk_conf & 0x0f) {
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;
}
int select_i2c_ch_pca9547(u8 ch)
{
int ret;
ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
if (ret) {
puts("PCA: failed to select proper channel\n");
return ret;
}
return 0;
}
void board_retimer_init(void)
{
u8 reg;
/* Retimer is connected to I2C1_CH5 */
select_i2c_ch_pca9547(I2C_MUX_CH5);
/* Access to Control/Shared register */
reg = 0x0;
i2c_write(I2C_RETIMER_ADDR, 0xff, 1, &reg, 1);
/* Read device revision and ID */
i2c_read(I2C_RETIMER_ADDR, 1, 1, &reg, 1);
debug("Retimer version id = 0x%x\n", reg);
/* Enable Broadcast. All writes target all channel register sets */
reg = 0x0c;
i2c_write(I2C_RETIMER_ADDR, 0xff, 1, &reg, 1);
/* Reset Channel Registers */
i2c_read(I2C_RETIMER_ADDR, 0, 1, &reg, 1);
reg |= 0x4;
i2c_write(I2C_RETIMER_ADDR, 0, 1, &reg, 1);
/* Set data rate as 10.3125 Gbps */
reg = 0x90;
i2c_write(I2C_RETIMER_ADDR, 0x60, 1, &reg, 1);
reg = 0xb3;
i2c_write(I2C_RETIMER_ADDR, 0x61, 1, &reg, 1);
reg = 0x90;
i2c_write(I2C_RETIMER_ADDR, 0x62, 1, &reg, 1);
reg = 0xb3;
i2c_write(I2C_RETIMER_ADDR, 0x63, 1, &reg, 1);
reg = 0xcd;
i2c_write(I2C_RETIMER_ADDR, 0x64, 1, &reg, 1);
/* Select VCO Divider to full rate (000) */
i2c_read(I2C_RETIMER_ADDR, 0x2F, 1, &reg, 1);
reg &= 0x0f;
reg |= 0x70;
i2c_write(I2C_RETIMER_ADDR, 0x2F, 1, &reg, 1);
#ifdef CONFIG_TARGET_LS1088AQDS
/* Retimer is connected to I2C1_CH5 */
select_i2c_ch_pca9547(I2C_MUX_CH5);
/* Access to Control/Shared register */
reg = 0x0;
i2c_write(I2C_RETIMER_ADDR2, 0xff, 1, &reg, 1);
/* Read device revision and ID */
i2c_read(I2C_RETIMER_ADDR2, 1, 1, &reg, 1);
debug("Retimer version id = 0x%x\n", reg);
/* Enable Broadcast. All writes target all channel register sets */
reg = 0x0c;
i2c_write(I2C_RETIMER_ADDR2, 0xff, 1, &reg, 1);
/* Reset Channel Registers */
i2c_read(I2C_RETIMER_ADDR2, 0, 1, &reg, 1);
reg |= 0x4;
i2c_write(I2C_RETIMER_ADDR2, 0, 1, &reg, 1);
/* Set data rate as 10.3125 Gbps */
reg = 0x90;
i2c_write(I2C_RETIMER_ADDR2, 0x60, 1, &reg, 1);
reg = 0xb3;
i2c_write(I2C_RETIMER_ADDR2, 0x61, 1, &reg, 1);
reg = 0x90;
i2c_write(I2C_RETIMER_ADDR2, 0x62, 1, &reg, 1);
reg = 0xb3;
i2c_write(I2C_RETIMER_ADDR2, 0x63, 1, &reg, 1);
reg = 0xcd;
i2c_write(I2C_RETIMER_ADDR2, 0x64, 1, &reg, 1);
/* Select VCO Divider to full rate (000) */
i2c_read(I2C_RETIMER_ADDR2, 0x2F, 1, &reg, 1);
reg &= 0x0f;
reg |= 0x70;
i2c_write(I2C_RETIMER_ADDR2, 0x2F, 1, &reg, 1);
#endif
/*return the default channel*/
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
}
#ifdef CONFIG_MISC_INIT_R
int misc_init_r(void)
{
#ifdef CONFIG_TARGET_LS1088ARDB
u8 brdcfg5;
if (hwconfig("esdhc-force-sd")) {
brdcfg5 = QIXIS_READ(brdcfg[5]);
brdcfg5 &= ~BRDCFG5_SPISDHC_MASK;
brdcfg5 |= BRDCFG5_FORCE_SD;
QIXIS_WRITE(brdcfg[5], brdcfg5);
}
#endif
return 0;
}
#endif
int board_init(void)
{
init_final_memctl_regs();
#if defined(CONFIG_TARGET_LS1088ARDB) && defined(CONFIG_FSL_MC_ENET)
u32 __iomem *irq_ccsr = (u32 __iomem *)ISC_BASE;
#endif
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
board_retimer_init();
#ifdef CONFIG_ENV_IS_NOWHERE
gd->env_addr = (ulong)&default_environment[0];
#endif
#if defined(CONFIG_TARGET_LS1088ARDB) && defined(CONFIG_FSL_MC_ENET)
/* invert AQR105 IRQ pins polarity */
out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR105_IRQ_MASK);
#endif
#ifdef CONFIG_FSL_CAAM
sec_init();
#endif
#ifdef CONFIG_FSL_LS_PPA
ppa_init();
#endif
return 0;
}
int board_early_init_f(void)
{
fsl_lsch3_early_init_f();
return 0;
}
void detail_board_ddr_info(void)
{
puts("\nDDR ");
print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
print_ddr_info(0);
}
#if defined(CONFIG_ARCH_MISC_INIT)
int arch_misc_init(void)
{
return 0;
}
#endif
#ifdef CONFIG_FSL_MC_ENET
void fdt_fixup_board_enet(void *fdt)
{
int offset;
offset = fdt_path_offset(fdt, "/fsl-mc");
if (offset < 0)
offset = fdt_path_offset(fdt, "/fsl,dprc@0");
if (offset < 0) {
printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
__func__, offset);
return;
}
if (get_mc_boot_status() == 0)
fdt_status_okay(fdt, offset);
else
fdt_status_fail(fdt, offset);
}
#endif
#ifdef CONFIG_OF_BOARD_SETUP
void fsl_fdt_fixup_flash(void *fdt)
{
int offset;
/*
* IFC-NOR and QSPI are muxed on SoC.
* So disable IFC node in dts if QSPI is enabled or
* disable QSPI node in dts in case QSPI is not enabled.
*/
#ifdef CONFIG_FSL_QSPI
offset = fdt_path_offset(fdt, "/soc/ifc/nor");
if (offset < 0)
offset = fdt_path_offset(fdt, "/ifc/nor");
#else
offset = fdt_path_offset(fdt, "/soc/quadspi");
if (offset < 0)
offset = fdt_path_offset(fdt, "/quadspi");
#endif
if (offset < 0)
return;
fdt_status_disabled(fdt, offset);
}
int ft_board_setup(void *blob, bd_t *bd)
{
int err, i;
u64 base[CONFIG_NR_DRAM_BANKS];
u64 size[CONFIG_NR_DRAM_BANKS];
ft_cpu_setup(blob, bd);
/* fixup DT for the two GPP DDR banks */
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
base[i] = gd->bd->bi_dram[i].start;
size[i] = gd->bd->bi_dram[i].size;
}
#ifdef CONFIG_RESV_RAM
/* reduce size if reserved memory is within this bank */
if (gd->arch.resv_ram >= base[0] &&
gd->arch.resv_ram < base[0] + size[0])
size[0] = gd->arch.resv_ram - base[0];
else if (gd->arch.resv_ram >= base[1] &&
gd->arch.resv_ram < base[1] + size[1])
size[1] = gd->arch.resv_ram - base[1];
#endif
fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS);
fsl_fdt_fixup_flash(blob);
#ifdef CONFIG_FSL_MC_ENET
fdt_fixup_board_enet(blob);
err = fsl_mc_ldpaa_exit(bd);
if (err)
return err;
#endif
return 0;
}
#endif
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