diff options
Diffstat (limited to 'board/freescale/t4qds/t4qds.c')
-rw-r--r-- | board/freescale/t4qds/t4qds.c | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/board/freescale/t4qds/t4qds.c b/board/freescale/t4qds/t4qds.c new file mode 100644 index 0000000000..88b8cedf48 --- /dev/null +++ b/board/freescale/t4qds/t4qds.c @@ -0,0 +1,395 @@ +/* + * Copyright 2009-2012 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#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 "../common/qixis.h" +#include "../common/vsc3316_3308.h" +#include "t4qds.h" +#include "t4240qds_qixis.h" + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + u8 sw; + struct cpu_type *cpu = gd->cpu; + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + unsigned int i; + + printf("Board: %sQDS, ", cpu->name); + printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", + QIXIS_READ(id), QIXIS_READ(arch), QIXIS_READ(scver)); + + 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 + printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); + + /* Display the RCW, so that no one gets confused as to what RCW + * we're actually using for this boot. + */ + puts("Reset Configuration Word (RCW):"); + for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) { + u32 rcw = in_be32(&gur->rcwsr[i]); + + if ((i % 4) == 0) + printf("\n %08x:", i * 4); + printf(" %08x", rcw); + } + puts("\n"); + + /* + * 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("SERDES Reference Clocks: "); + sw = QIXIS_READ(brdcfg[2]); + for (i = 0; i < MAX_SERDES; i++) { + static const char *freq[] = { + "100", "125", "156.25", "161.1328125"}; + unsigned int clock = (sw >> (2 * i)) & 3; + + printf("SERDES%u=%sMHz ", i+1, freq[clock]); + } + puts("\n"); + + 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; +} + +/* Configure Crossbar switches for Front-Side SerDes Ports */ +int config_frontside_crossbar_vsc3316(void) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 srds_prtcl_s1, srds_prtcl_s2; + int ret; + + ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS); + if (ret) + return ret; + + srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS1_PRTCL; + srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT; + if (srds_prtcl_s1) { + ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm1_tx, 8); + if (ret) + return ret; + ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm1_rx, 8); + if (ret) + return ret; + } + + srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS2_PRTCL; + srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT; + if (srds_prtcl_s2) { + ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm2_tx, 8); + if (ret) + return ret; + ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm2_rx, 8); + if (ret) + return ret; + } + + return 0; +} + +int config_backside_crossbar_mux(void) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 srds_prtcl_s3, srds_prtcl_s4; + u8 brdcfg; + + srds_prtcl_s3 = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS3_PRTCL; + srds_prtcl_s3 >>= FSL_CORENET2_RCWSR4_SRDS3_PRTCL_SHIFT; + switch (srds_prtcl_s3) { + case 0: + /* SerDes3 is not enabled */ + break; + case 2: + case 9: + case 10: + /* SD3(0:7) => SLOT5(0:7) */ + brdcfg = QIXIS_READ(brdcfg[12]); + brdcfg &= ~BRDCFG12_SD3MX_MASK; + brdcfg |= BRDCFG12_SD3MX_SLOT5; + QIXIS_WRITE(brdcfg[12], brdcfg); + break; + case 4: + case 6: + case 8: + case 12: + case 14: + case 16: + case 17: + case 19: + case 20: + /* SD3(4:7) => SLOT6(0:3) */ + brdcfg = QIXIS_READ(brdcfg[12]); + brdcfg &= ~BRDCFG12_SD3MX_MASK; + brdcfg |= BRDCFG12_SD3MX_SLOT6; + QIXIS_WRITE(brdcfg[12], brdcfg); + break; + default: + printf("WARNING: unsupported for SerDes3 Protocol %d\n", + srds_prtcl_s3); + return -1; + } + + srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) & + FSL_CORENET2_RCWSR4_SRDS4_PRTCL; + srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT; + switch (srds_prtcl_s4) { + case 0: + /* SerDes4 is not enabled */ + break; + case 2: + /* 10b, SD4(0:7) => SLOT7(0:7) */ + brdcfg = QIXIS_READ(brdcfg[12]); + brdcfg &= ~BRDCFG12_SD4MX_MASK; + brdcfg |= BRDCFG12_SD4MX_SLOT7; + QIXIS_WRITE(brdcfg[12], brdcfg); + break; + case 4: + case 6: + case 8: + /* x1b, SD4(4:7) => SLOT8(0:3) */ + brdcfg = QIXIS_READ(brdcfg[12]); + brdcfg &= ~BRDCFG12_SD4MX_MASK; + brdcfg |= BRDCFG12_SD4MX_SLOT8; + QIXIS_WRITE(brdcfg[12], brdcfg); + break; + case 10: + case 12: + case 14: + case 16: + case 18: + /* 00b, SD4(4:5) => AURORA, SD4(6:7) => SATA */ + brdcfg = QIXIS_READ(brdcfg[12]); + brdcfg &= ~BRDCFG12_SD4MX_MASK; + brdcfg |= BRDCFG12_SD4MX_AURO_SATA; + QIXIS_WRITE(brdcfg[12], brdcfg); + break; + default: + printf("WARNING: unsupported for SerDes4 Protocol %d\n", + srds_prtcl_s4); + return -1; + } + + return 0; +} + +int board_early_init_r(void) +{ + const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; + const u8 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(); + + /* 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); + + set_liodns(); +#ifdef CONFIG_SYS_DPAA_QBMAN + setup_portals(); +#endif + + /* Disable remote I2C connectoin */ + QIXIS_WRITE(brdcfg[5], BRDCFG5_RESET); + + /* Configure board SERDES ports crossbar */ + config_frontside_crossbar_vsc3316(); + config_backside_crossbar_mux(); + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + + return 0; +} + +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]); + + 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; +} + +static const char *serdes_clock_to_string(u32 clock) +{ + switch (clock) { + case SRDS_PLLCR0_RFCK_SEL_100: + return "100"; + case SRDS_PLLCR0_RFCK_SEL_125: + return "125"; + case SRDS_PLLCR0_RFCK_SEL_156_25: + return "156.25"; + case SRDS_PLLCR0_RFCK_SEL_161_13: + return "161.1328125"; + default: + return "???"; + } +} + +int misc_init_r(void) +{ + u8 sw; + serdes_corenet_t *srds_regs = + (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; + u32 actual[MAX_SERDES]; + unsigned int i; + + sw = QIXIS_READ(brdcfg[2]); + for (i = 0; i < MAX_SERDES; i++) { + unsigned int clock = (sw >> (2 * i)) & 3; + switch (clock) { + case 0: + actual[i] = SRDS_PLLCR0_RFCK_SEL_100; + break; + case 1: + actual[i] = SRDS_PLLCR0_RFCK_SEL_125; + break; + case 2: + actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25; + break; + case 3: + actual[i] = SRDS_PLLCR0_RFCK_SEL_161_13; + break; + } + } + + for (i = 0; i < MAX_SERDES; i++) { + u32 pllcr0 = srds_regs->bank[i].pllcr0; + u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK; + if (expected != actual[i]) { + printf("Warning: SERDES%u expects reference clock" + " %sMHz, but actual is %sMHz\n", i + 1, + serdes_clock_to_string(expected), + serdes_clock_to_string(actual[i])); + } + } + + return 0; +} + +void 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); + fdt_fixup_dr_usb(blob, bd); + +#ifdef CONFIG_SYS_DPAA_FMAN + fdt_fixup_fman_ethernet(blob); + fdt_fixup_board_enet(blob); +#endif +} |