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![Wang Huan](/assets/img/avatar_default.png)
LS102xA is an ARMv7 implementation. This patch is to add basic support for LS1021AQDS board. One DDR controller DUART1 is used as the console For the detail board information, please refer to README. Signed-off-by: Alison Wang <alison.wang@freescale.com> Signed-off-by: Jason Jin <jason.jin@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com> Signed-off-by: Yuan Yao <yao.yuan@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
256 lines
4.8 KiB
C
256 lines
4.8 KiB
C
/*
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* Copyright 2014 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <i2c.h>
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#include <asm/io.h>
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#include <asm/arch/immap_ls102xa.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/fsl_serdes.h>
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#include <mmc.h>
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#include <fsl_esdhc.h>
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#include <fsl_ifc.h>
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#include "../common/qixis.h"
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#include "ls1021aqds_qixis.h"
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DECLARE_GLOBAL_DATA_PTR;
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enum {
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MUX_TYPE_SD_PCI4,
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MUX_TYPE_SD_PC_SA_SG_SG,
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MUX_TYPE_SD_PC_SA_PC_SG,
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MUX_TYPE_SD_PC_SG_SG,
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};
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int checkboard(void)
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{
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char buf[64];
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u8 sw;
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puts("Board: LS1021AQDS\n");
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sw = QIXIS_READ(brdcfg[0]);
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sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
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if (sw < 0x8)
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printf("vBank: %d\n", sw);
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else if (sw == 0x8)
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puts("PromJet\n");
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else if (sw == 0x9)
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puts("NAND\n");
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else if (sw == 0x15)
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printf("IFCCard\n");
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else
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printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
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printf("Sys ID:0x%02x, Sys Ver: 0x%02x\n",
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QIXIS_READ(id), QIXIS_READ(arch));
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printf("FPGA: v%d (%s), build %d\n",
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(int)QIXIS_READ(scver), qixis_read_tag(buf),
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(int)qixis_read_minor());
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return 0;
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}
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unsigned long get_board_sys_clk(void)
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{
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u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
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switch (sysclk_conf & 0x0f) {
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case QIXIS_SYSCLK_64:
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return 64000000;
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case QIXIS_SYSCLK_83:
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return 83333333;
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case QIXIS_SYSCLK_100:
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return 100000000;
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case QIXIS_SYSCLK_125:
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return 125000000;
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case QIXIS_SYSCLK_133:
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return 133333333;
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case QIXIS_SYSCLK_150:
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return 150000000;
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case QIXIS_SYSCLK_160:
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return 160000000;
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case QIXIS_SYSCLK_166:
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return 166666666;
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}
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return 66666666;
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}
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unsigned long get_board_ddr_clk(void)
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{
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u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
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switch ((ddrclk_conf & 0x30) >> 4) {
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case QIXIS_DDRCLK_100:
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return 100000000;
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case QIXIS_DDRCLK_125:
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return 125000000;
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case QIXIS_DDRCLK_133:
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return 133333333;
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}
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return 66666666;
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}
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int dram_init(void)
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{
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gd->ram_size = initdram(0);
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return 0;
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}
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#ifdef CONFIG_FSL_ESDHC
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struct fsl_esdhc_cfg esdhc_cfg[1] = {
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{CONFIG_SYS_FSL_ESDHC_ADDR},
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};
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int board_mmc_init(bd_t *bis)
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{
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esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
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return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
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}
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#endif
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int select_i2c_ch_pca9547(u8 ch)
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{
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int ret;
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ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
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if (ret) {
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puts("PCA: failed to select proper channel\n");
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return ret;
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}
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return 0;
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}
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int board_early_init_f(void)
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{
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struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
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struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
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#ifdef CONFIG_TSEC_ENET
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out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_REV);
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out_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
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out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_NOREV);
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#endif
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#ifdef CONFIG_FSL_IFC
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init_early_memctl_regs();
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#endif
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/* Workaround for the issue that DDR could not respond to
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* barrier transaction which is generated by executing DSB/ISB
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* instruction. Set CCI-400 control override register to
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* terminate the barrier transaction. After DDR is initialized,
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* allow barrier transaction to DDR again */
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out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
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return 0;
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}
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int config_board_mux(int ctrl_type)
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{
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u8 reg12;
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reg12 = QIXIS_READ(brdcfg[12]);
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switch (ctrl_type) {
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case MUX_TYPE_SD_PCI4:
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reg12 = 0x38;
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break;
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case MUX_TYPE_SD_PC_SA_SG_SG:
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reg12 = 0x01;
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break;
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case MUX_TYPE_SD_PC_SA_PC_SG:
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reg12 = 0x01;
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break;
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case MUX_TYPE_SD_PC_SG_SG:
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reg12 = 0x21;
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break;
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default:
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printf("Wrong mux interface type\n");
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return -1;
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}
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QIXIS_WRITE(brdcfg[12], reg12);
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return 0;
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}
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int config_serdes_mux(void)
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{
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struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR;
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u32 cfg;
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cfg = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
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cfg >>= RCWSR4_SRDS1_PRTCL_SHIFT;
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switch (cfg) {
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case 0x0:
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config_board_mux(MUX_TYPE_SD_PCI4);
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break;
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case 0x30:
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config_board_mux(MUX_TYPE_SD_PC_SA_SG_SG);
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break;
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case 0x60:
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config_board_mux(MUX_TYPE_SD_PC_SG_SG);
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break;
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case 0x70:
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config_board_mux(MUX_TYPE_SD_PC_SA_PC_SG);
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break;
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default:
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printf("SRDS1 prtcl:0x%x\n", cfg);
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break;
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}
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return 0;
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}
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int board_init(void)
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{
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struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
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/* Set CCI-400 control override register to
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* enable barrier transaction */
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out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
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select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
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#ifndef CONFIG_SYS_FSL_NO_SERDES
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fsl_serdes_init();
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config_serdes_mux();
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#endif
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return 0;
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}
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void ft_board_setup(void *blob, bd_t *bd)
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{
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ft_cpu_setup(blob, bd);
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}
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u8 flash_read8(void *addr)
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{
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return __raw_readb(addr + 1);
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}
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void flash_write16(u16 val, void *addr)
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{
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u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
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__raw_writew(shftval, addr);
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}
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u16 flash_read16(void *addr)
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{
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u16 val = __raw_readw(addr);
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return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
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}
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