summaryrefslogtreecommitdiff
path: root/board/freescale/b4860qds/b4860qds.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/freescale/b4860qds/b4860qds.c')
-rw-r--r--board/freescale/b4860qds/b4860qds.c458
1 files changed, 458 insertions, 0 deletions
diff --git a/board/freescale/b4860qds/b4860qds.c b/board/freescale/b4860qds/b4860qds.c
new file mode 100644
index 0000000..88bdc1f
--- /dev/null
+++ b/board/freescale/b4860qds/b4860qds.c
@@ -0,0 +1,458 @@
+/*
+ * Copyright 2011-2012 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 "b4860qds.h"
+#include "b4860qds_qixis.h"
+#include "b4860qds_crossbar_con.h"
+
+#define CLK_MUX_SEL_MASK 0x4
+#define ETH_PHY_CLK_OUT 0x4
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ char buf[64];
+ u8 sw;
+ struct cpu_type *cpu = gd->cpu;
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+ unsigned int i;
+ static const char *const freq[] = {"100", "125", "156.25", "161.13",
+ "122.88", "122.88", "122.88"};
+ int clock;
+
+ printf("Board: %sQDS, ", cpu->name);
+ printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
+ QIXIS_READ(id), QIXIS_READ(arch));
+
+ 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 && sw <= 0xE)
+ puts("NAND\n");
+ else
+ printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
+
+ 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));
+
+ /* 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]);
+ clock = (sw >> 5) & 7;
+ printf("Bank1=%sMHz ", freq[clock]);
+ sw = QIXIS_READ(brdcfg[4]);
+ clock = (sw >> 6) & 3;
+ printf("Bank2=%sMHz\n", freq[clock]);
+
+ return 0;
+}
+
+int select_i2c_ch_pca(u8 ch)
+{
+ int ret;
+
+ /* Selecting proper channel via PCA*/
+ ret = i2c_write(I2C_MUX_PCA_ADDR, 0x0, 1, &ch, 1);
+ if (ret) {
+ printf("PCA: failed to select proper channel.\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+int configure_vsc3316_3308(void)
+{
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ unsigned int num_vsc16_con, num_vsc08_con;
+ u32 serdes1_prtcl, serdes2_prtcl;
+ int ret;
+
+ serdes1_prtcl = in_be32(&gur->rcwsr[4]) &
+ FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
+ if (!serdes1_prtcl) {
+ printf("SERDES1 is not enabled\n");
+ return 0;
+ }
+ serdes1_prtcl >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
+ debug("Using SERDES1 Protocol: 0x%x:\n", serdes1_prtcl);
+
+ serdes2_prtcl = in_be32(&gur->rcwsr[4]) &
+ FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
+ if (!serdes2_prtcl) {
+ printf("SERDES2 is not enabled\n");
+ return 0;
+ }
+ serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
+ debug("Using SERDES2 Protocol: 0x%x:\n", serdes2_prtcl);
+
+ switch (serdes1_prtcl) {
+ case 0x2a:
+ case 0x2C:
+ case 0x2D:
+ case 0x2E:
+ /*
+ * Configuration:
+ * SERDES: 1
+ * Lanes: A,B: SGMII
+ * Lanes: C,D,E,F,G,H: CPRI
+ */
+ debug("Configuring crossbar to use onboard SGMII PHYs:"
+ "srds_prctl:%x\n", serdes1_prtcl);
+ num_vsc16_con = NUM_CON_VSC3316;
+ /* Configure VSC3316 crossbar switch */
+ ret = select_i2c_ch_pca(I2C_CH_VSC3316);
+ if (!ret) {
+ ret = vsc3316_config(VSC3316_TX_ADDRESS,
+ vsc16_tx_sgmii_lane_ab, num_vsc16_con);
+ if (ret)
+ return ret;
+ ret = vsc3316_config(VSC3316_RX_ADDRESS,
+ vsc16_rx_sgmii_lane_ab, num_vsc16_con);
+ if (ret)
+ return ret;
+ } else {
+ return ret;
+ }
+ break;
+
+#ifdef CONFIG_PPC_B4420
+ case 0x18:
+ /*
+ * Configuration:
+ * SERDES: 1
+ * Lanes: A,B,C,D: SGMII
+ * Lanes: E,F,G,H: CPRI
+ */
+ debug("Configuring crossbar to use onboard SGMII PHYs:"
+ "srds_prctl:%x\n", serdes1_prtcl);
+ num_vsc16_con = NUM_CON_VSC3316;
+ /* Configure VSC3316 crossbar switch */
+ ret = select_i2c_ch_pca(I2C_CH_VSC3316);
+ if (!ret) {
+ ret = vsc3316_config(VSC3316_TX_ADDRESS,
+ vsc16_tx_sgmii_lane_cd, num_vsc16_con);
+ if (ret)
+ return ret;
+ ret = vsc3316_config(VSC3316_RX_ADDRESS,
+ vsc16_rx_sgmii_lane_cd, num_vsc16_con);
+ if (ret)
+ return ret;
+ } else {
+ return ret;
+ }
+ break;
+#endif
+
+ case 0x3E:
+ case 0x0D:
+ case 0x0E:
+ case 0x12:
+ num_vsc16_con = NUM_CON_VSC3316;
+ /* Configure VSC3316 crossbar switch */
+ ret = select_i2c_ch_pca(I2C_CH_VSC3316);
+ if (!ret) {
+ ret = vsc3316_config(VSC3316_TX_ADDRESS,
+ vsc16_tx_sfp, num_vsc16_con);
+ if (ret)
+ return ret;
+ ret = vsc3316_config(VSC3316_RX_ADDRESS,
+ vsc16_rx_sfp, num_vsc16_con);
+ if (ret)
+ return ret;
+ } else {
+ return ret;
+ }
+ break;
+ default:
+ printf("WARNING:VSC crossbars programming not supported for:%x"
+ " SerDes1 Protocol.\n", serdes1_prtcl);
+ return -1;
+ }
+
+ switch (serdes2_prtcl) {
+ case 0x9E:
+ case 0x9A:
+ case 0x98:
+ case 0xb2:
+ case 0x49:
+ case 0x4E:
+ case 0x8D:
+ case 0x7A:
+ num_vsc08_con = NUM_CON_VSC3308;
+ /* Configure VSC3308 crossbar switch */
+ ret = select_i2c_ch_pca(I2C_CH_VSC3308);
+ if (!ret) {
+ ret = vsc3308_config(VSC3308_TX_ADDRESS,
+ vsc08_tx_amc, num_vsc08_con);
+ if (ret)
+ return ret;
+ ret = vsc3308_config(VSC3308_RX_ADDRESS,
+ vsc08_rx_amc, num_vsc08_con);
+ if (ret)
+ return ret;
+ } else {
+ return ret;
+ }
+ break;
+ default:
+ printf("WARNING:VSC crossbars programming not supported for: %x"
+ " SerDes2 Protocol.\n", serdes2_prtcl);
+ 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
+
+ /* Configure VSC3316 and VSC3308 crossbar switches */
+ if (configure_vsc3316_3308())
+ printf("VSC:failed to configure VSC3316/3308.\n");
+ else
+ printf("VSC:VSC3316/3308 successfully configured.\n");
+
+ select_i2c_ch_pca(I2C_CH_DEFAULT);
+
+ return 0;
+}
+
+unsigned long get_board_sys_clk(void)
+{
+ u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
+
+ switch ((sysclk_conf & 0x0C) >> 2) {
+ case QIXIS_CLK_100:
+ return 100000000;
+ case QIXIS_CLK_125:
+ return 125000000;
+ case QIXIS_CLK_133:
+ return 133333333;
+ }
+ return 66666666;
+}
+
+unsigned long get_board_ddr_clk(void)
+{
+ u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
+
+ switch (ddrclk_conf & 0x03) {
+ case QIXIS_CLK_100:
+ return 100000000;
+ case QIXIS_CLK_125:
+ return 125000000;
+ case QIXIS_CLK_133:
+ return 133333333;
+ }
+ return 66666666;
+}
+
+static int serdes_refclock(u8 sw, u8 sdclk)
+{
+ unsigned int clock;
+ int ret = -1;
+ u8 brdcfg4;
+
+ if (sdclk == 1) {
+ brdcfg4 = QIXIS_READ(brdcfg[4]);
+ if ((brdcfg4 & CLK_MUX_SEL_MASK) == ETH_PHY_CLK_OUT)
+ return SRDS_PLLCR0_RFCK_SEL_125;
+ else
+ clock = (sw >> 5) & 7;
+ } else
+ clock = (sw >> 6) & 3;
+
+ switch (clock) {
+ case 0:
+ ret = SRDS_PLLCR0_RFCK_SEL_100;
+ break;
+ case 1:
+ ret = SRDS_PLLCR0_RFCK_SEL_125;
+ break;
+ case 2:
+ ret = SRDS_PLLCR0_RFCK_SEL_156_25;
+ break;
+ case 3:
+ ret = SRDS_PLLCR0_RFCK_SEL_161_13;
+ break;
+ case 4:
+ case 5:
+ case 6:
+ ret = SRDS_PLLCR0_RFCK_SEL_122_88;
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+
+ return ret;
+}
+
+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 "161.13";
+ default:
+ return "122.88";
+ }
+}
+
+#define NUM_SRDS_BANKS 2
+
+int misc_init_r(void)
+{
+ u8 sw;
+ serdes_corenet_t *srds_regs =
+ (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
+ u32 actual[NUM_SRDS_BANKS];
+ unsigned int i;
+ int clock;
+
+ sw = QIXIS_READ(brdcfg[2]);
+ clock = serdes_refclock(sw, 1);
+ if (clock >= 0)
+ actual[0] = clock;
+ else
+ printf("Warning: SDREFCLK1 switch setting is unsupported\n");
+
+ sw = QIXIS_READ(brdcfg[4]);
+ clock = serdes_refclock(sw, 2);
+ if (clock >= 0)
+ actual[1] = clock;
+ else
+ printf("Warning: SDREFCLK2 switch setting unsupported\n");
+
+ for (i = 0; i < NUM_SRDS_BANKS; i++) {
+ u32 pllcr0 = srds_regs->bank[i].pllcr0;
+ u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
+ if (expected != actual[i]) {
+ printf("Warning: SERDES bank %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);
+
+#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
+}
generated by cgit v1.1 at 2024-12-03 12:02:59 +0000