diff options
Diffstat (limited to 'board/freescale/t102xqds/t102xqds.c')
| -rw-r--r-- | board/freescale/t102xqds/t102xqds.c | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/board/freescale/t102xqds/t102xqds.c b/board/freescale/t102xqds/t102xqds.c new file mode 100644 index 0000000000..f3141b58e8 --- /dev/null +++ b/board/freescale/t102xqds/t102xqds.c @@ -0,0 +1,408 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <i2c.h> +#include <netdev.h> +#include <linux/compiler.h> +#include <asm/mmu.h> +#include <asm/processor.h> +#include <asm/cache.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_law.h> +#include <asm/fsl_serdes.h> +#include <asm/fsl_portals.h> +#include <asm/fsl_liodn.h> +#include <fm_eth.h> +#include <hwconfig.h> +#include <asm/mpc85xx_gpio.h> +#include "../common/qixis.h" +#include "t102xqds.h" +#include "t102xqds_qixis.h" + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + char buf[64]; + struct cpu_type *cpu = gd->arch.cpu; + static const char *const freq[] = {"100", "125", "156.25", "100.0"}; + int clock; + u8 sw = QIXIS_READ(arch); + + printf("Board: %sQDS, ", cpu->name); + printf("Sys ID: 0x%02x, Board Arch: V%d, ", QIXIS_READ(id), sw >> 4); + printf("Board Version: %c, boot from ", (sw & 0xf) + 'A' - 1); + +#ifdef CONFIG_SDCARD + puts("SD/MMC\n"); +#elif CONFIG_SPIFLASH + puts("SPI\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("IFC Card\n"); + else + printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); +#endif + + 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)); + + puts("SERDES Reference: "); + sw = QIXIS_READ(brdcfg[2]); + clock = (sw >> 6) & 3; + printf("Clock1=%sMHz ", freq[clock]); + clock = (sw >> 4) & 3; + printf("Clock2=%sMHz\n", freq[clock]); + + return 0; +} + +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; +} + +static int board_mux_lane_to_slot(void) +{ + ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 srds_prtcl_s1; + u8 brdcfg9; + + srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS1_PRTCL; + srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT; + + + brdcfg9 = QIXIS_READ(brdcfg[9]); + QIXIS_WRITE(brdcfg[9], brdcfg9 | BRDCFG9_XFI_TX_DISABLE); + + switch (srds_prtcl_s1) { + case 0: + /* SerDes1 is not enabled */ + break; + case 0xd5: + case 0x5b: + case 0x6b: + case 0x77: + case 0x6f: + case 0x7f: + QIXIS_WRITE(brdcfg[12], 0x8c); + break; + case 0x40: + QIXIS_WRITE(brdcfg[12], 0xfc); + break; + case 0xd6: + case 0x5a: + case 0x6a: + case 0x56: + QIXIS_WRITE(brdcfg[12], 0x88); + break; + case 0x47: + QIXIS_WRITE(brdcfg[12], 0xcc); + break; + case 0x46: + QIXIS_WRITE(brdcfg[12], 0xc8); + break; + case 0x95: + case 0x99: + brdcfg9 &= ~BRDCFG9_XFI_TX_DISABLE; + QIXIS_WRITE(brdcfg[9], brdcfg9); + QIXIS_WRITE(brdcfg[12], 0x8c); + break; + case 0x116: + QIXIS_WRITE(brdcfg[12], 0x00); + break; + case 0x115: + case 0x119: + case 0x129: + case 0x12b: + /* Aurora, PCIe, SGMII, SATA */ + QIXIS_WRITE(brdcfg[12], 0x04); + break; + default: + printf("WARNING: unsupported for SerDes Protocol %d\n", + srds_prtcl_s1); + return -1; + } + + return 0; +} + +#ifdef CONFIG_PPC_T1024 +static void board_mux_setup(void) +{ + u8 brdcfg15; + + brdcfg15 = QIXIS_READ(brdcfg[15]); + brdcfg15 &= ~BRDCFG15_DIUSEL_MASK; + + if (hwconfig_arg_cmp("pin_mux", "tdm")) { + /* Route QE_TDM multiplexed signals to TDM Riser slot */ + QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_DIUSEL_TDM); + QIXIS_WRITE(brdcfg[13], BRDCFG13_TDM_INTERFACE << 2); + QIXIS_WRITE(brdcfg[5], (QIXIS_READ(brdcfg[5]) & + ~BRDCFG5_SPIRTE_MASK) | BRDCFG5_SPIRTE_TDM); + } else if (hwconfig_arg_cmp("pin_mux", "ucc")) { + /* to UCC (ProfiBus) interface */ + QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_DIUSEL_UCC); + } else if (hwconfig_arg_cmp("pin_mux", "hdmi")) { + /* to DVI (HDMI) encoder */ + QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_DIUSEL_HDMI); + } else if (hwconfig_arg_cmp("pin_mux", "lcd")) { + /* to DFP (LCD) encoder */ + QIXIS_WRITE(brdcfg[15], brdcfg15 | BRDCFG15_LCDFM | + BRDCFG15_LCDPD | BRDCFG15_DIUSEL_LCD); + } + + if (hwconfig_arg_cmp("adaptor", "sdxc")) + /* Route SPI_CS multiplexed signals to SD slot */ + QIXIS_WRITE(brdcfg[5], (QIXIS_READ(brdcfg[5]) & + ~BRDCFG5_SPIRTE_MASK) | BRDCFG5_SPIRTE_SDHC); +} +#endif + +void board_retimer_ds125df111_init(void) +{ + u8 reg; + + /* Retimer DS125DF111 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 */ + 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); + + /* Select 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_r(void) +{ +#ifdef CONFIG_SYS_FLASH_BASE + const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; + int flash_esel = find_tlb_idx((void *)flashbase, 1); + + /* + * Remap Boot flash + PROMJET region to caching-inhibited + * so that flash can be erased properly. + */ + + /* Flush d-cache and invalidate i-cache of any FLASH data */ + flush_dcache(); + invalidate_icache(); + + if (flash_esel == -1) { + /* very unlikely unless something is messed up */ + puts("Error: Could not find TLB for FLASH BASE\n"); + flash_esel = 2; /* give our best effort to continue */ + } else { + /* invalidate existing TLB entry for flash + promjet */ + disable_tlb(flash_esel); + } + + set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, flash_esel, BOOKE_PAGESZ_256M, 1); +#endif + set_liodns(); +#ifdef CONFIG_SYS_DPAA_QBMAN + setup_portals(); +#endif + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + board_mux_lane_to_slot(); + board_retimer_ds125df111_init(); + + /* Increase IO drive strength to address FCS error on RGMII */ + out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_IODSECR1_ADDR, 0xbfdb7800); + + return 0; +} + +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]); + + 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; +} + +#define NUM_SRDS_PLL 2 +int misc_init_r(void) +{ +#ifdef CONFIG_PPC_T1024 + board_mux_setup(); +#endif + return 0; +} + +void fdt_fixup_spi_mux(void *blob) +{ + int nodeoff = 0; + + if (hwconfig_arg_cmp("pin_mux", "tdm")) { + while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, + "eon,en25s64")) >= 0) { + fdt_del_node(blob, nodeoff); + } + } else { + /* remove tdm node */ + while ((nodeoff = fdt_node_offset_by_compatible(blob, 0, + "maxim,ds26522")) >= 0) { + fdt_del_node(blob, nodeoff); + } + } +} + +int ft_board_setup(void *blob, bd_t *bd) +{ + phys_addr_t base; + phys_size_t size; + + ft_cpu_setup(blob, bd); + + base = getenv_bootm_low(); + size = getenv_bootm_size(); + + fdt_fixup_memory(blob, (u64)base, (u64)size); + +#ifdef CONFIG_PCI + pci_of_setup(blob, bd); +#endif + + fdt_fixup_liodn(blob); + +#ifdef CONFIG_HAS_FSL_DR_USB + fdt_fixup_dr_usb(blob, bd); +#endif + +#ifdef CONFIG_SYS_DPAA_FMAN + fdt_fixup_fman_ethernet(blob); + fdt_fixup_board_enet(blob); +#endif + fdt_fixup_spi_mux(blob); + + return 0; +} + +void qixis_dump_switch(void) +{ + int i, nr_of_cfgsw; + + QIXIS_WRITE(cms[0], 0x00); + nr_of_cfgsw = QIXIS_READ(cms[1]); + + puts("DIP switch settings dump:\n"); + for (i = 1; i <= nr_of_cfgsw; i++) { + QIXIS_WRITE(cms[0], i); + printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1])); + } +} + +#ifdef CONFIG_DEEP_SLEEP +void board_mem_sleep_setup(void) +{ + /* does not provide HW signals for power management */ + QIXIS_WRITE(pwr_ctl[1], (QIXIS_READ(pwr_ctl[1]) & ~0x2)); + /* Disable MCKE isolation */ + gpio_set_value(2, 0); + udelay(1); +} +#endif |