diff options
Diffstat (limited to 'board/freescale/ls1043aqds/ls1043aqds.c')
| -rw-r--r-- | board/freescale/ls1043aqds/ls1043aqds.c | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c new file mode 100644 index 0000000000..d6696ca812 --- /dev/null +++ b/board/freescale/ls1043aqds/ls1043aqds.c @@ -0,0 +1,333 @@ +/* + * Copyright 2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <fdt_support.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/fsl_serdes.h> +#include <asm/arch/fdt.h> +#include <asm/arch/soc.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 <spl.h> + +#include "../common/qixis.h" +#include "ls1043aqds_qixis.h" + +DECLARE_GLOBAL_DATA_PTR; + +enum { + MUX_TYPE_GPIO, +}; + +/* LS1043AQDS serdes mux */ +#define CFG_SD_MUX1_SLOT2 0x0 /* SLOT2 TX/RX0 */ +#define CFG_SD_MUX1_SLOT1 0x1 /* SLOT1 TX/RX1 */ +#define CFG_SD_MUX2_SLOT3 0x0 /* SLOT3 TX/RX0 */ +#define CFG_SD_MUX2_SLOT1 0x1 /* SLOT1 TX/RX2 */ +#define CFG_SD_MUX3_SLOT4 0x0 /* SLOT4 TX/RX0 */ +#define CFG_SD_MUX3_MUX4 0x1 /* MUX4 */ +#define CFG_SD_MUX4_SLOT3 0x0 /* SLOT3 TX/RX1 */ +#define CFG_SD_MUX4_SLOT1 0x1 /* SLOT1 TX/RX3 */ + +int checkboard(void) +{ + char buf[64]; +#ifndef CONFIG_SD_BOOT + u8 sw; +#endif + + puts("Board: LS1043AQDS, boot from "); + +#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 == 0x15) + printf("IFCCard\n"); + else + printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); +#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; +} + +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; +} + +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. + */ + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + gd->ram_size = initdram(0); + + return 0; +} + +int i2c_multiplexer_select_vid_channel(u8 channel) +{ + return select_i2c_ch_pca9547(channel); +} + +void board_retimer_init(void) +{ + u8 reg; + + /* Retimer is connected to I2C1_CH7_CH5 */ + reg = I2C_MUX_CH7; + i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, ®, 1); + reg = I2C_MUX_CH5; + i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, ®, 1); + + /* Access to Control/Shared register */ + reg = 0x0; + i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1); + + /* Read device revision and ID */ + i2c_read(I2C_RETIMER_ADDR, 1, 1, ®, 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, ®, 1); + + /* Reset Channel Registers */ + i2c_read(I2C_RETIMER_ADDR, 0, 1, ®, 1); + reg |= 0x4; + i2c_write(I2C_RETIMER_ADDR, 0, 1, ®, 1); + + /* Enable override divider select and Enable Override Output Mux */ + i2c_read(I2C_RETIMER_ADDR, 9, 1, ®, 1); + reg |= 0x24; + i2c_write(I2C_RETIMER_ADDR, 9, 1, ®, 1); + + /* Select VCO Divider to full rate (000) */ + i2c_read(I2C_RETIMER_ADDR, 0x18, 1, ®, 1); + reg &= 0x8f; + i2c_write(I2C_RETIMER_ADDR, 0x18, 1, ®, 1); + + /* Selects active PFD MUX Input as Re-timed Data (001) */ + i2c_read(I2C_RETIMER_ADDR, 0x1e, 1, ®, 1); + reg &= 0x3f; + reg |= 0x20; + i2c_write(I2C_RETIMER_ADDR, 0x1e, 1, ®, 1); + + /* Set data rate as 10.3125 Gbps */ + reg = 0x0; + i2c_write(I2C_RETIMER_ADDR, 0x60, 1, ®, 1); + reg = 0xb2; + i2c_write(I2C_RETIMER_ADDR, 0x61, 1, ®, 1); + reg = 0x90; + i2c_write(I2C_RETIMER_ADDR, 0x62, 1, ®, 1); + reg = 0xb3; + i2c_write(I2C_RETIMER_ADDR, 0x63, 1, ®, 1); + reg = 0xcd; + i2c_write(I2C_RETIMER_ADDR, 0x64, 1, ®, 1); +} + +int board_early_init_f(void) +{ + fsl_lsch2_early_init_f(); + + 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 & (~0x30)) | 0x20; + 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) +{ + struct ccsr_cci400 *cci = (struct ccsr_cci400 *) + CONFIG_SYS_CCI400_ADDR; + + /* Set CCI-400 control override register to enable barrier + * transaction */ + out_le32(&cci->ctrl_ord, + CCI400_CTRLORD_EN_BARRIER); + + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + board_retimer_init(); + +#ifdef CONFIG_SYS_FSL_SERDES + config_serdes_mux(); +#endif + +#ifdef CONFIG_LAYERSCAPE_NS_ACCESS + enable_layerscape_ns_access(); +#endif + +#ifdef CONFIG_ENV_IS_NOWHERE + gd->env_addr = (ulong)&default_environment[0]; +#endif + return 0; +} + +#ifdef CONFIG_OF_BOARD_SETUP +int ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); + +#ifdef CONFIG_SYS_DPAA_FMAN + fdt_fixup_fman_ethernet(blob); + fdt_fixup_board_enet(blob); +#endif + 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); +} |
