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authorMarkus Klotzbuecher <mk@denx.de>2008-07-10 10:26:07 +0200
committerMarkus Klotzbuecher <mk@denx.de>2008-07-10 10:26:07 +0200
commit794a5924972fc8073616e98a2668da4a5f9aea90 (patch)
treedd0db39b3e183b5bcb0300d5377d7a0d5ac5fd0c /board/tqc/tqm85xx/tqm85xx.c
parentf2aeecc320f5b181b30effcaa67683aec8d5a843 (diff)
parent4188f0491886b3b486164e819c0a83fdb97efd7d (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot
Diffstat (limited to 'board/tqc/tqm85xx/tqm85xx.c')
-rw-r--r--board/tqc/tqm85xx/tqm85xx.c744
1 files changed, 744 insertions, 0 deletions
diff --git a/board/tqc/tqm85xx/tqm85xx.c b/board/tqc/tqm85xx/tqm85xx.c
new file mode 100644
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+++ b/board/tqc/tqm85xx/tqm85xx.c
@@ -0,0 +1,744 @@
+/*
+ * (C) Copyright 2008 Wolfgang Grandegger <wg@denx.de>
+ *
+ * (C) Copyright 2006
+ * Thomas Waehner, TQ-Systems GmbH, thomas.waehner@tqs.de.
+ *
+ * (C) Copyright 2005
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * Copyright 2004 Freescale Semiconductor.
+ * (C) Copyright 2002,2003, Motorola Inc.
+ * Xianghua Xiao, (X.Xiao@motorola.com)
+ *
+ * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
+ *
+ * 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 <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <asm/immap_fsl_pci.h>
+#include <asm/io.h>
+#include <ioports.h>
+#include <flash.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[]; /* FLASH chips info */
+
+void local_bus_init (void);
+ulong flash_get_size (ulong base, int banknum);
+
+#ifdef CONFIG_PS2MULT
+void ps2mult_early_init (void);
+#endif
+
+#ifdef CONFIG_CPM2
+/*
+ * I/O Port configuration table
+ *
+ * if conf is 1, then that port pin will be configured at boot time
+ * according to the five values podr/pdir/ppar/psor/pdat for that entry
+ */
+
+const iop_conf_t iop_conf_tab[4][32] = {
+
+ /* Port A: conf, ppar, psor, pdir, podr, pdat */
+ {
+ {1, 1, 1, 0, 0, 0}, /* PA31: FCC1 MII COL */
+ {1, 1, 1, 0, 0, 0}, /* PA30: FCC1 MII CRS */
+ {1, 1, 1, 1, 0, 0}, /* PA29: FCC1 MII TX_ER */
+ {1, 1, 1, 1, 0, 0}, /* PA28: FCC1 MII TX_EN */
+ {1, 1, 1, 0, 0, 0}, /* PA27: FCC1 MII RX_DV */
+ {1, 1, 1, 0, 0, 0}, /* PA26: FCC1 MII RX_ER */
+ {0, 1, 0, 1, 0, 0}, /* PA25: FCC1 ATMTXD[0] */
+ {0, 1, 0, 1, 0, 0}, /* PA24: FCC1 ATMTXD[1] */
+ {0, 1, 0, 1, 0, 0}, /* PA23: FCC1 ATMTXD[2] */
+ {0, 1, 0, 1, 0, 0}, /* PA22: FCC1 ATMTXD[3] */
+ {1, 1, 0, 1, 0, 0}, /* PA21: FCC1 MII TxD[3] */
+ {1, 1, 0, 1, 0, 0}, /* PA20: FCC1 MII TxD[2] */
+ {1, 1, 0, 1, 0, 0}, /* PA19: FCC1 MII TxD[1] */
+ {1, 1, 0, 1, 0, 0}, /* PA18: FCC1 MII TxD[0] */
+ {1, 1, 0, 0, 0, 0}, /* PA17: FCC1 MII RxD[0] */
+ {1, 1, 0, 0, 0, 0}, /* PA16: FCC1 MII RxD[1] */
+ {1, 1, 0, 0, 0, 0}, /* PA15: FCC1 MII RxD[2] */
+ {1, 1, 0, 0, 0, 0}, /* PA14: FCC1 MII RxD[3] */
+ {0, 1, 0, 0, 0, 0}, /* PA13: FCC1 ATMRXD[3] */
+ {0, 1, 0, 0, 0, 0}, /* PA12: FCC1 ATMRXD[2] */
+ {0, 1, 0, 0, 0, 0}, /* PA11: FCC1 ATMRXD[1] */
+ {0, 1, 0, 0, 0, 0}, /* PA10: FCC1 ATMRXD[0] */
+ {0, 1, 1, 1, 0, 0}, /* PA9 : FCC1 L1TXD */
+ {0, 1, 1, 0, 0, 0}, /* PA8 : FCC1 L1RXD */
+ {0, 0, 0, 1, 0, 0}, /* PA7 : PA7 */
+ {0, 1, 1, 1, 0, 0}, /* PA6 : TDM A1 L1RSYNC */
+ {0, 0, 0, 1, 0, 0}, /* PA5 : PA5 */
+ {0, 0, 0, 1, 0, 0}, /* PA4 : PA4 */
+ {0, 0, 0, 1, 0, 0}, /* PA3 : PA3 */
+ {0, 0, 0, 1, 0, 0}, /* PA2 : PA2 */
+ {0, 0, 0, 0, 0, 0}, /* PA1 : FREERUN */
+ {0, 0, 0, 1, 0, 0} /* PA0 : PA0 */
+ },
+
+ /* Port B: conf, ppar, psor, pdir, podr, pdat */
+ {
+ {1, 1, 0, 1, 0, 0}, /* PB31: FCC2 MII TX_ER */
+ {1, 1, 0, 0, 0, 0}, /* PB30: FCC2 MII RX_DV */
+ {1, 1, 1, 1, 0, 0}, /* PB29: FCC2 MII TX_EN */
+ {1, 1, 0, 0, 0, 0}, /* PB28: FCC2 MII RX_ER */
+ {1, 1, 0, 0, 0, 0}, /* PB27: FCC2 MII COL */
+ {1, 1, 0, 0, 0, 0}, /* PB26: FCC2 MII CRS */
+ {1, 1, 0, 1, 0, 0}, /* PB25: FCC2 MII TxD[3] */
+ {1, 1, 0, 1, 0, 0}, /* PB24: FCC2 MII TxD[2] */
+ {1, 1, 0, 1, 0, 0}, /* PB23: FCC2 MII TxD[1] */
+ {1, 1, 0, 1, 0, 0}, /* PB22: FCC2 MII TxD[0] */
+ {1, 1, 0, 0, 0, 0}, /* PB21: FCC2 MII RxD[0] */
+ {1, 1, 0, 0, 0, 0}, /* PB20: FCC2 MII RxD[1] */
+ {1, 1, 0, 0, 0, 0}, /* PB19: FCC2 MII RxD[2] */
+ {1, 1, 0, 0, 0, 0}, /* PB18: FCC2 MII RxD[3] */
+ {1, 1, 0, 0, 0, 0}, /* PB17: FCC3:RX_DIV */
+ {1, 1, 0, 0, 0, 0}, /* PB16: FCC3:RX_ERR */
+ {1, 1, 0, 1, 0, 0}, /* PB15: FCC3:TX_ERR */
+ {1, 1, 0, 1, 0, 0}, /* PB14: FCC3:TX_EN */
+ {1, 1, 0, 0, 0, 0}, /* PB13: FCC3:COL */
+ {1, 1, 0, 0, 0, 0}, /* PB12: FCC3:CRS */
+ {1, 1, 0, 0, 0, 0}, /* PB11: FCC3:RXD */
+ {1, 1, 0, 0, 0, 0}, /* PB10: FCC3:RXD */
+ {1, 1, 0, 0, 0, 0}, /* PB9 : FCC3:RXD */
+ {1, 1, 0, 0, 0, 0}, /* PB8 : FCC3:RXD */
+ {1, 1, 0, 1, 0, 0}, /* PB7 : FCC3:TXD */
+ {1, 1, 0, 1, 0, 0}, /* PB6 : FCC3:TXD */
+ {1, 1, 0, 1, 0, 0}, /* PB5 : FCC3:TXD */
+ {1, 1, 0, 1, 0, 0}, /* PB4 : FCC3:TXD */
+ {0, 0, 0, 0, 0, 0}, /* PB3 : pin doesn't exist */
+ {0, 0, 0, 0, 0, 0}, /* PB2 : pin doesn't exist */
+ {0, 0, 0, 0, 0, 0}, /* PB1 : pin doesn't exist */
+ {0, 0, 0, 0, 0, 0} /* PB0 : pin doesn't exist */
+ },
+
+ /* Port C: conf, ppar, psor, pdir, podr, pdat */
+ {
+ {0, 0, 0, 1, 0, 0}, /* PC31: PC31 */
+ {0, 0, 0, 1, 0, 0}, /* PC30: PC30 */
+ {0, 1, 1, 0, 0, 0}, /* PC29: SCC1 EN *CLSN */
+ {0, 0, 0, 1, 0, 0}, /* PC28: PC28 */
+ {0, 0, 0, 1, 0, 0}, /* PC27: UART Clock in */
+ {0, 0, 0, 1, 0, 0}, /* PC26: PC26 */
+ {0, 0, 0, 1, 0, 0}, /* PC25: PC25 */
+ {0, 0, 0, 1, 0, 0}, /* PC24: PC24 */
+ {0, 1, 0, 1, 0, 0}, /* PC23: ATMTFCLK */
+ {0, 1, 0, 0, 0, 0}, /* PC22: ATMRFCLK */
+ {1, 1, 0, 0, 0, 0}, /* PC21: SCC1 EN RXCLK */
+ {1, 1, 0, 0, 0, 0}, /* PC20: SCC1 EN TXCLK */
+ {1, 1, 0, 0, 0, 0}, /* PC19: FCC2 MII RX_CLK CLK13 */
+ {1, 1, 0, 0, 0, 0}, /* PC18: FCC Tx Clock (CLK14) */
+ {1, 1, 0, 0, 0, 0}, /* PC17: PC17 */
+ {1, 1, 0, 0, 0, 0}, /* PC16: FCC Tx Clock (CLK16) */
+ {0, 1, 0, 0, 0, 0}, /* PC15: PC15 */
+ {0, 1, 0, 0, 0, 0}, /* PC14: SCC1 EN *CD */
+ {0, 1, 0, 0, 0, 0}, /* PC13: PC13 */
+ {0, 1, 0, 1, 0, 0}, /* PC12: PC12 */
+ {0, 0, 0, 1, 0, 0}, /* PC11: LXT971 transmit control */
+ {0, 0, 0, 1, 0, 0}, /* PC10: FETHMDC */
+ {0, 0, 0, 0, 0, 0}, /* PC9 : FETHMDIO */
+ {0, 0, 0, 1, 0, 0}, /* PC8 : PC8 */
+ {0, 0, 0, 1, 0, 0}, /* PC7 : PC7 */
+ {0, 0, 0, 1, 0, 0}, /* PC6 : PC6 */
+ {0, 0, 0, 1, 0, 0}, /* PC5 : PC5 */
+ {0, 0, 0, 1, 0, 0}, /* PC4 : PC4 */
+ {0, 0, 0, 1, 0, 0}, /* PC3 : PC3 */
+ {0, 0, 0, 1, 0, 1}, /* PC2 : ENET FDE */
+ {0, 0, 0, 1, 0, 0}, /* PC1 : ENET DSQE */
+ {0, 0, 0, 1, 0, 0}, /* PC0 : ENET LBK */
+ },
+
+ /* Port D: conf, ppar, psor, pdir, podr, pdat */
+ {
+#ifdef CONFIG_TQM8560
+ {1, 1, 0, 0, 0, 0}, /* PD31: SCC1 EN RxD */
+ {1, 1, 1, 1, 0, 0}, /* PD30: SCC1 EN TxD */
+ {1, 1, 0, 1, 0, 0}, /* PD29: SCC1 EN TENA */
+#else /* !CONFIG_TQM8560 */
+ {0, 0, 0, 0, 0, 0}, /* PD31: PD31 */
+ {0, 0, 0, 0, 0, 0}, /* PD30: PD30 */
+ {0, 0, 0, 0, 0, 0}, /* PD29: PD29 */
+#endif /* CONFIG_TQM8560 */
+ {1, 1, 0, 0, 0, 0}, /* PD28: PD28 */
+ {1, 1, 0, 1, 0, 0}, /* PD27: PD27 */
+ {1, 1, 0, 1, 0, 0}, /* PD26: PD26 */
+ {0, 0, 0, 1, 0, 0}, /* PD25: PD25 */
+ {0, 0, 0, 1, 0, 0}, /* PD24: PD24 */
+ {0, 0, 0, 1, 0, 0}, /* PD23: PD23 */
+ {0, 0, 0, 1, 0, 0}, /* PD22: PD22 */
+ {0, 0, 0, 1, 0, 0}, /* PD21: PD21 */
+ {0, 0, 0, 1, 0, 0}, /* PD20: PD20 */
+ {0, 0, 0, 1, 0, 0}, /* PD19: PD19 */
+ {0, 0, 0, 1, 0, 0}, /* PD18: PD18 */
+ {0, 1, 0, 0, 0, 0}, /* PD17: FCC1 ATMRXPRTY */
+ {0, 1, 0, 1, 0, 0}, /* PD16: FCC1 ATMTXPRTY */
+ {0, 1, 1, 0, 1, 0}, /* PD15: I2C SDA */
+ {0, 0, 0, 1, 0, 0}, /* PD14: LED */
+ {0, 0, 0, 0, 0, 0}, /* PD13: PD13 */
+ {0, 0, 0, 0, 0, 0}, /* PD12: PD12 */
+ {0, 0, 0, 0, 0, 0}, /* PD11: PD11 */
+ {0, 0, 0, 0, 0, 0}, /* PD10: PD10 */
+ {0, 1, 0, 1, 0, 0}, /* PD9 : SMC1 TXD */
+ {0, 1, 0, 0, 0, 0}, /* PD8 : SMC1 RXD */
+ {0, 0, 0, 1, 0, 1}, /* PD7 : PD7 */
+ {0, 0, 0, 1, 0, 1}, /* PD6 : PD6 */
+ {0, 0, 0, 1, 0, 1}, /* PD5 : PD5 */
+ {0, 0, 0, 1, 0, 1}, /* PD4 : PD4 */
+ {0, 0, 0, 0, 0, 0}, /* PD3 : pin doesn't exist */
+ {0, 0, 0, 0, 0, 0}, /* PD2 : pin doesn't exist */
+ {0, 0, 0, 0, 0, 0}, /* PD1 : pin doesn't exist */
+ {0, 0, 0, 0, 0, 0} /* PD0 : pin doesn't exist */
+ }
+};
+#endif /* CONFIG_CPM2 */
+
+#define CASL_STRING1 "casl=xx"
+#define CASL_STRING2 "casl="
+
+static const int casl_table[] = { 20, 25, 30 };
+#define N_CASL (sizeof(casl_table) / sizeof(casl_table[0]))
+
+int cas_latency (void)
+{
+ char *s = getenv ("serial#");
+ int casl;
+ int val;
+ int i;
+
+ casl = CONFIG_DDR_DEFAULT_CL;
+
+ if (s != NULL) {
+ if (strncmp(s + strlen (s) - strlen (CASL_STRING1),
+ CASL_STRING2, strlen (CASL_STRING2)) == 0) {
+ val = simple_strtoul (s + strlen (s) - 2, NULL, 10);
+
+ for (i = 0; i < N_CASL; ++i) {
+ if (val == casl_table[i]) {
+ return val;
+ }
+ }
+ }
+ }
+
+ return casl;
+}
+
+int checkboard (void)
+{
+ char *s = getenv ("serial#");
+
+ printf ("Board: %s", CONFIG_BOARDNAME);
+ if (s != NULL) {
+ puts (", serial# ");
+ puts (s);
+ }
+ putc ('\n');
+
+ /*
+ * Initialize local bus.
+ */
+ local_bus_init ();
+
+ return 0;
+}
+
+int misc_init_r (void)
+{
+ volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
+
+ /*
+ * Adjust flash start and offset to detected values
+ */
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+
+ /*
+ * Recalculate CS configuration if second FLASH bank is available
+ */
+ if (flash_info[0].size > 0) {
+ memctl->or1 = ((-flash_info[0].size) & 0xffff8000) |
+ (CFG_OR1_PRELIM & 0x00007fff);
+ memctl->br1 = gd->bd->bi_flashstart |
+ (CFG_BR1_PRELIM & 0x00007fff);
+ /*
+ * Re-check to get correct base address for bank 1
+ */
+ flash_get_size (gd->bd->bi_flashstart, 0);
+ } else {
+ memctl->or1 = 0;
+ memctl->br1 = 0;
+ }
+
+ /*
+ * If bank 1 is equipped, bank 0 is mapped after bank 1
+ */
+ memctl->or0 = ((-flash_info[1].size) & 0xffff8000) |
+ (CFG_OR0_PRELIM & 0x00007fff);
+ memctl->br0 = (gd->bd->bi_flashstart + flash_info[0].size) |
+ (CFG_BR0_PRELIM & 0x00007fff);
+ /*
+ * Re-check to get correct base address for bank 0
+ */
+ flash_get_size (gd->bd->bi_flashstart + flash_info[0].size, 1);
+
+ /*
+ * Re-do flash protection upon new addresses
+ */
+ flash_protect (FLAG_PROTECT_CLEAR,
+ gd->bd->bi_flashstart, 0xffffffff,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+ /* Monitor protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+ /* Environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+#ifdef CFG_ENV_ADDR_REDUND
+ /* Redundant environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR_REDUND,
+ CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_CAN_DRIVER
+/*
+ * Initialize UPMC RAM
+ */
+static void upmc_write (u_char addr, uint val)
+{
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+
+ out_be32 (&lbc->mdr, val);
+
+ clrsetbits_be32(&lbc->mcmr, MxMR_MAD_MSK,
+ MxMR_OP_WARR | (addr & MxMR_MAD_MSK));
+
+ /* dummy access to perform write */
+ out_8 ((void __iomem *)CFG_CAN_BASE, 0);
+
+ /* normal operation */
+ clrbits_be32(&lbc->mcmr, MxMR_OP_WARR);
+}
+#endif /* CONFIG_CAN_DRIVER */
+
+uint get_lbc_clock (void)
+{
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ sys_info_t sys_info;
+ ulong clkdiv = lbc->lcrr & 0x0f;
+
+ get_sys_info (&sys_info);
+
+ if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
+#ifdef CONFIG_MPC8548
+ /*
+ * Yes, the entire PQ38 family use the same
+ * bit-representation for twice the clock divider value.
+ */
+ clkdiv *= 2;
+#endif
+ return sys_info.freqSystemBus / clkdiv;
+ }
+
+ puts("Invalid clock divider value in CFG_LBC_LCRR\n");
+
+ return 0;
+}
+
+/*
+ * Initialize Local Bus
+ */
+void local_bus_init (void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+ uint lbc_mhz = get_lbc_clock () / 1000000;
+
+#ifdef CONFIG_MPC8548
+ uint svr = get_svr ();
+ uint lcrr;
+
+ /*
+ * MPC revision < 2.0
+ * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU1:
+ * Modify engineering use only register at address 0xE_0F20.
+ * "1. Read register at offset 0xE_0F20
+ * 2. And value with 0x0000_FFFF
+ * 3. OR result with 0x0000_0004
+ * 4. Write result back to offset 0xE_0F20."
+ *
+ * According to MPC8548E_Device_Errata Rev. L, Erratum LBIU2:
+ * Modify engineering use only register at address 0xE_0F20.
+ * "1. Read register at offset 0xE_0F20
+ * 2. And value with 0xFFFF_FFDF
+ * 3. Write result back to offset 0xE_0F20."
+ *
+ * Since it is the same register, we do the modification in one step.
+ */
+ if (SVR_MAJ (svr) < 2) {
+ uint dummy = gur->lbiuiplldcr1;
+ dummy &= 0x0000FFDF;
+ dummy |= 0x00000004;
+ gur->lbiuiplldcr1 = dummy;
+ }
+
+ lcrr = CFG_LBC_LCRR;
+
+ /*
+ * Local Bus Clock > 83.3 MHz. According to timing
+ * specifications set LCRR[EADC] to 2 delay cycles.
+ */
+ if (lbc_mhz > 83) {
+ lcrr &= ~LCRR_EADC;
+ lcrr |= LCRR_EADC_2;
+ }
+
+ /*
+ * According to MPC8548ERMAD Rev. 1.3, 13.3.1.16, 13-30
+ * disable PLL bypass for Local Bus Clock > 83 MHz.
+ */
+ if (lbc_mhz >= 66)
+ lcrr &= (~LCRR_DBYP); /* DLL Enabled */
+
+ else
+ lcrr |= LCRR_DBYP; /* DLL Bypass */
+
+ lbc->lcrr = lcrr;
+ asm ("sync;isync;msync");
+
+ /*
+ * According to MPC8548ERMAD Rev.1.3 read back LCRR
+ * and terminate with isync
+ */
+ lcrr = lbc->lcrr;
+ asm ("isync;");
+
+ /* let DLL stabilize */
+ udelay (500);
+
+#else /* !CONFIG_MPC8548 */
+
+ /*
+ * Errata LBC11.
+ * Fix Local Bus clock glitch when DLL is enabled.
+ *
+ * If localbus freq is < 66Mhz, DLL bypass mode must be used.
+ * If localbus freq is > 133Mhz, DLL can be safely enabled.
+ * Between 66 and 133, the DLL is enabled with an override workaround.
+ */
+
+ if (lbc_mhz < 66) {
+ lbc->lcrr = CFG_LBC_LCRR | LCRR_DBYP; /* DLL Bypass */
+ lbc->ltedr = 0xa4c80000; /* DK: !!! */
+
+ } else if (lbc_mhz >= 133) {
+ lbc->lcrr = CFG_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */
+
+ } else {
+ /*
+ * On REV1 boards, need to change CLKDIV before enable DLL.
+ * Default CLKDIV is 8, change it to 4 temporarily.
+ */
+ uint pvr = get_pvr ();
+ uint temp_lbcdll = 0;
+
+ if (pvr == PVR_85xx_REV1) {
+ /* FIXME: Justify the high bit here. */
+ lbc->lcrr = 0x10000004;
+ }
+
+ lbc->lcrr = CFG_LBC_LCRR & (~LCRR_DBYP); /* DLL Enabled */
+ udelay (200);
+
+ /*
+ * Sample LBC DLL ctrl reg, upshift it to set the
+ * override bits.
+ */
+ temp_lbcdll = gur->lbcdllcr;
+ gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
+ asm ("sync;isync;msync");
+ }
+#endif /* !CONFIG_MPC8548 */
+
+#ifdef CONFIG_CAN_DRIVER
+ /*
+ * According to timing specifications EAD must be
+ * set if Local Bus Clock is > 83 MHz.
+ */
+ if (lbc_mhz > 83)
+ out_be32 (&lbc->or2, CFG_OR2_CAN | OR_UPM_EAD);
+ else
+ out_be32 (&lbc->or2, CFG_OR2_CAN);
+ out_be32 (&lbc->br2, CFG_BR2_CAN);
+
+ /* LGPL4 is UPWAIT */
+ out_be32(&lbc->mcmr, MxMR_DSx_3_CYCL | MxMR_GPL_x4DIS | MxMR_WLFx_3X);
+
+ /* Initialize UPMC for CAN: single read */
+ upmc_write (0x00, 0xFFFFED00);
+ upmc_write (0x01, 0xCCFFCC00);
+ upmc_write (0x02, 0x00FFCF00);
+ upmc_write (0x03, 0x00FFCF00);
+ upmc_write (0x04, 0x00FFDC00);
+ upmc_write (0x05, 0x00FFCF00);
+ upmc_write (0x06, 0x00FFED00);
+ upmc_write (0x07, 0x3FFFCC07);
+
+ /* Initialize UPMC for CAN: single write */
+ upmc_write (0x18, 0xFFFFED00);
+ upmc_write (0x19, 0xCCFFEC00);
+ upmc_write (0x1A, 0x00FFED80);
+ upmc_write (0x1B, 0x00FFED80);
+ upmc_write (0x1C, 0x00FFFC00);
+ upmc_write (0x1D, 0x0FFFEC00);
+ upmc_write (0x1E, 0x0FFFEF00);
+ upmc_write (0x1F, 0x3FFFEC05);
+#endif /* CONFIG_CAN_DRIVER */
+}
+
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+static int first_free_busno;
+
+#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
+static struct pci_controller pci1_hose;
+#endif /* CONFIG_PCI || CONFIG_PCI1 */
+
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif /* CONFIG_PCIE1 */
+
+static inline void init_pci1(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
+ uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *)CFG_PCI1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci1_hose;
+
+ /* PORDEVSR[15] */
+ uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;
+ /* PORDEVSR[14] */
+ uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
+ /* PORPLLSR[16] */
+ uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
+
+ uint pci_agent = (host_agent == 3) || (host_agent == 4 ) ||
+ (host_agent == 6);
+
+ uint pci_speed = CONFIG_SYS_CLK_FREQ; /* PCI PSPEED in [4:5] */
+
+ if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
+ printf ("PCI1: %d bit, %s MHz, %s, %s, %s\n",
+ (pci_32) ? 32 : 64,
+ (pci_speed == 33333333) ? "33" :
+ (pci_speed == 66666666) ? "66" : "unknown",
+ pci_clk_sel ? "sync" : "async",
+ pci_agent ? "agent" : "host",
+ pci_arb ? "arbiter" : "external-arbiter");
+
+
+ /* inbound */
+ pci_set_region (hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+
+ /* outbound memory */
+ pci_set_region (hose->regions + 1,
+ CFG_PCI1_MEM_BASE,
+ CFG_PCI1_MEM_PHYS,
+ CFG_PCI1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region (hose->regions + 2,
+ CFG_PCI1_IO_BASE,
+ CFG_PCI1_IO_PHYS,
+ CFG_PCI1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+
+ hose->first_busno = first_free_busno;
+ pci_setup_indirect (hose, (int)&pci->cfg_addr,
+ (int)&pci->cfg_data);
+
+ fsl_pci_init (hose);
+
+ printf (" PCI on bus %02x..%02x\n",
+ hose->first_busno, hose->last_busno);
+
+ first_free_busno = hose->last_busno + 1;
+#ifdef CONFIG_PCIX_CHECK
+ if (!(gur->pordevsr & PORDEVSR_PCI)) {
+ ushort reg16 =
+ PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ |
+ PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
+ uint dev = PCI_BDF(hose->first_busno, 0, 0);
+
+ /* PCI-X init */
+ if (CONFIG_SYS_CLK_FREQ < 66000000)
+ puts ("PCI-X will only work at 66 MHz\n");
+
+ pci_hose_write_config_word (hose, dev, PCIX_COMMAND,
+ reg16);
+ }
+#endif
+ } else {
+ puts ("PCI1: disabled\n");
+ }
+#else /* !(CONFIG_PCI || CONFIG_PCI1) */
+ gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
+#endif /* CONFIG_PCI || CONFIG_PCI1) */
+}
+
+static inline void init_pcie1(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+#ifdef CONFIG_PCIE1
+ uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
+ uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *)CFG_PCIE1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pcie1_hose;
+ int pcie_ep = (host_agent == 0) || (host_agent == 2 ) ||
+ (host_agent == 3);
+
+ int pcie_configured = io_sel >= 1;
+
+ if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
+ printf ("PCIe: %s, base address %x",
+ pcie_ep ? "End point" : "Root complex", (uint)pci);
+
+ if (pci->pme_msg_det) {
+ pci->pme_msg_det = 0xffffffff;
+ debug (", with errors. Clearing. Now 0x%08x",
+ pci->pme_msg_det);
+ }
+ puts ("\n");
+
+ /* inbound */
+ pci_set_region (hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region (hose->regions + 1,
+ CFG_PCIE1_MEM_BASE,
+ CFG_PCIE1_MEM_PHYS,
+ CFG_PCIE1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region (hose->regions + 2,
+ CFG_PCIE1_IO_BASE,
+ CFG_PCIE1_IO_PHYS,
+ CFG_PCIE1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+
+ hose->first_busno = first_free_busno;
+ pci_setup_indirect(hose, (int)&pci->cfg_addr,
+ (int)&pci->cfg_data);
+
+ fsl_pci_init (hose);
+ printf (" PCIe on bus %02x..%02x\n",
+ hose->first_busno, hose->last_busno);
+
+ first_free_busno = hose->last_busno + 1;
+
+ } else {
+ printf ("PCIe: disabled\n");
+ }
+#else /* !CONFIG_PCIE1 */
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+#endif /* CONFIG_PCIE1 */
+}
+
+void pci_init_board (void)
+{
+ init_pci1();
+ init_pcie1();
+}
+
+#ifdef CONFIG_OF_BOARD_SETUP
+void ft_board_setup (void *blob, bd_t *bd)
+{
+ int node, tmp[2];
+ const char *path;
+
+ ft_cpu_setup (blob, bd);
+
+ node = fdt_path_offset (blob, "/aliases");
+ tmp[0] = 0;
+ if (node >= 0) {
+#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
+ path = fdt_getprop (blob, node, "pci0", NULL);
+ if (path) {
+ tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+ do_fixup_by_path (blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif /* CONFIG_PCI || CONFIG_PCI1 */
+#ifdef CONFIG_PCIE1
+ path = fdt_getprop (blob, node, "pci1", NULL);
+ if (path) {
+ tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
+ do_fixup_by_path (blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif /* CONFIG_PCIE1 */
+ }
+}
+#endif /* CONFIG_OF_BOARD_SETUP */
+
+#ifdef CONFIG_BOARD_EARLY_INIT_R
+int board_early_init_r (void)
+{
+#ifdef CONFIG_PS2MULT
+ ps2mult_early_init ();
+#endif /* CONFIG_PS2MULT */
+ return (0);
+}
+#endif /* CONFIG_BOARD_EARLY_INIT_R */