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-rw-r--r--board/muas3001/muas3001.c381
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diff --git a/board/muas3001/muas3001.c b/board/muas3001/muas3001.c
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+/*
+ * (C) Copyright 2008
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * 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 <mpc8260.h>
+#include <ioports.h>
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+
+/*
+ * 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 */
+ /* PA31 */ { 0, 0, 0, 0, 0, 0 }, /* PA31 */
+ /* PA30 */ { 0, 0, 0, 0, 0, 0 }, /* PA30 */
+ /* PA29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 TXER */
+ /* PA28 */ { 1, 1, 1, 1, 0, 0 }, /* FCC1 TXEN */
+ /* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RXDV */
+ /* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RXER */
+ /* PA25 */ { 1, 0, 0, 1, 0, 0 }, /* ETH_PWRDWN */
+ /* PA24 */ { 1, 0, 0, 1, 0, 1 }, /* ETH_RESET */
+ /* PA23 */ { 0, 0, 0, 0, 0, 0 }, /* PA23 */
+ /* PA22 */ { 0, 0, 0, 0, 0, 0 }, /* PA22 */
+ /* PA21 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD3 */
+ /* PA20 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD2 */
+ /* PA19 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD1 */
+ /* PA18 */ { 1, 1, 0, 1, 0, 0 }, /* FCC1 TXD0 */
+ /* PA17 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD0 */
+ /* PA16 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD1 */
+ /* PA15 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD2 */
+ /* PA14 */ { 1, 1, 0, 0, 0, 0 }, /* FCC1 RXD3 */
+ /* PA13 */ { 0, 0, 0, 0, 0, 0 }, /* PA13 */
+ /* PA12 */ { 1, 0, 0, 1, 0, 0 }, /* ETH_SLEEP */
+ /* PA11 */ { 0, 0, 0, 0, 0, 0 }, /* PA11 */
+ /* PA10 */ { 1, 0, 0, 1, 0, 0 }, /* MDIO */
+ /* PA9 */ { 1, 0, 0, 1, 0, 0 }, /* MDC */
+ /* PA8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC2 RxD */
+ /* PA7 */ { 0, 0, 0, 0, 0, 0 }, /* PA7 */
+ /* PA6 */ { 0, 0, 0, 0, 0, 0 }, /* PA6 */
+ /* PA5 */ { 0, 0, 0, 0, 0, 0 }, /* PA5 */
+ /* PA4 */ { 0, 0, 0, 0, 0, 0 }, /* PA4 */
+ /* PA3 */ { 0, 0, 0, 0, 0, 0 }, /* PA3 */
+ /* PA2 */ { 0, 0, 0, 0, 0, 0 }, /* PA2 */
+ /* PA1 */ { 0, 0, 0, 0, 0, 0 }, /* PA1 */
+ /* PA0 */ { 0, 0, 0, 0, 0, 0 } /* PA0 */
+ },
+
+ /* Port B */
+ { /* conf ppar psor pdir podr pdat */
+ /* PB31 */ { 0, 0, 0, 0, 0, 0 }, /* PB31 */
+ /* PB30 */ { 0, 0, 0, 0, 0, 0 }, /* PB30 */
+ /* PB29 */ { 0, 0, 0, 0, 0, 0 }, /* PB29 */
+ /* PB28 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 TxD */
+ /* PB27 */ { 0, 0, 0, 0, 0, 0 }, /* PB27 */
+ /* PB26 */ { 0, 0, 0, 0, 0, 0 }, /* PB26 */
+ /* PB25 */ { 0, 0, 0, 0, 0, 0 }, /* PB25 */
+ /* PB24 */ { 0, 0, 0, 0, 0, 0 }, /* PB24 */
+ /* PB23 */ { 0, 0, 0, 0, 0, 0 }, /* PB23 */
+ /* PB22 */ { 0, 0, 0, 0, 0, 0 }, /* PB22 */
+ /* PB21 */ { 0, 0, 0, 0, 0, 0 }, /* PB21 */
+ /* PB20 */ { 0, 0, 0, 0, 0, 0 }, /* PB20 */
+ /* PB19 */ { 0, 0, 0, 0, 0, 0 }, /* PB19 */
+ /* PB18 */ { 0, 0, 0, 0, 0, 0 }, /* PB18 */
+ /* PB17 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB16 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB15 */ { 1, 1, 0, 0, 0, 0 }, /* SCC2 RxD */
+ /* PB14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC3 RxD */
+ /* PB13 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB12 */ { 1, 1, 1, 1, 0, 0 }, /* SCC2 TxD */
+ /* PB11 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB10 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB9 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB8 */ { 1, 1, 1, 1, 0, 0 }, /* SCC3 TxD */
+ /* PB7 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB6 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB5 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB4 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */
+ },
+
+ /* Port C */
+ { /* conf ppar psor pdir podr pdat */
+ /* PC31 */ { 0, 0, 0, 0, 0, 0 }, /* PC31 */
+ /* PC30 */ { 1, 1, 1, 1, 0, 0 }, /* Timer1 OUT */
+ /* PC29 */ { 0, 0, 0, 0, 0, 0 }, /* PC29 */
+ /* PC28 */ { 0, 0, 0, 0, 0, 0 }, /* PC28 */
+ /* PC27 */ { 0, 0, 0, 0, 0, 0 }, /* PC27 */
+ /* PC26 */ { 0, 0, 0, 0, 0, 0 }, /* PC26 */
+ /* PC25 */ { 0, 0, 0, 0, 0, 0 }, /* PC25 */
+ /* PC24 */ { 0, 0, 0, 0, 0, 0 }, /* PC24 */
+ /* PC23 */ { 0, 0, 0, 0, 0, 0 }, /* PC23 */
+ /* PC22 */ { 0, 0, 0, 0, 0, 0 }, /* PC22 */
+ /* PC21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC RxCLK 11 */
+ /* PC20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC TxCLK 12 */
+ /* PC19 */ { 0, 0, 0, 0, 0, 0 }, /* PC19 */
+ /* PC18 */ { 0, 0, 0, 0, 0, 0 }, /* PC18 */
+ /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* PC17 */
+ /* PC16 */ { 0, 0, 0, 0, 0, 0 }, /* PC16 */
+ /* PC15 */ { 1, 1, 0, 1, 0, 0 }, /* SMC2 TxD */
+ /* PC14 */ { 0, 0, 0, 0, 0, 0 }, /* PC14 */
+ /* PC13 */ { 0, 0, 0, 0, 0, 0 }, /* PC13 */
+ /* PC12 */ { 1, 0, 0, 1, 0, 0 }, /* TX OUTPUT SLEW1 */
+ /* PC11 */ { 1, 0, 0, 1, 0, 0 }, /* TX OUTPUT SLEW0 */
+ /* PC10 */ { 0, 0, 0, 0, 0, 0 }, /* PC10 */
+ /* PC9 */ { 1, 0, 0, 1, 0, 1 }, /* SPA_TX_EN */
+ /* PC8 */ { 0, 0, 0, 0, 0, 0 }, /* PC8 */
+ /* PC7 */ { 0, 0, 0, 0, 0, 0 }, /* PC7 */
+ /* PC6 */ { 0, 0, 0, 0, 0, 0 }, /* PC6 */
+ /* PC5 */ { 0, 0, 0, 0, 0, 0 }, /* PC5 */
+ /* PC4 */ { 0, 0, 0, 0, 0, 0 }, /* PC4 */
+ /* PC3 */ { 0, 0, 0, 0, 0, 0 }, /* PC3 */
+ /* PC2 */ { 0, 0, 0, 0, 0, 0 }, /* PC2 */
+ /* PC1 */ { 0, 0, 0, 0, 0, 0 }, /* PC1 */
+ /* PC0 */ { 0, 0, 0, 0, 0, 0 }, /* PC0 */
+ },
+
+ /* Port D */
+ { /* conf ppar psor pdir podr pdat */
+ /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 RxD */
+ /* PD30 */ { 0, 0, 0, 0, 0, 0 }, /* PD30 */
+ /* PD29 */ { 0, 0, 0, 0, 0, 0 }, /* PD29 */
+ /* PD28 */ { 0, 0, 0, 0, 0, 0 }, /* PD28 */
+ /* PD27 */ { 0, 0, 0, 0, 0, 0 }, /* PD27 */
+ /* PD26 */ { 0, 0, 0, 0, 0, 0 }, /* PD26 */
+ /* PD25 */ { 0, 0, 0, 0, 0, 0 }, /* PD25 */
+ /* PD24 */ { 0, 0, 0, 0, 0, 0 }, /* PD24 */
+ /* PD23 */ { 0, 0, 0, 0, 0, 0 }, /* PD23 */
+ /* PD22 */ { 1, 1, 0, 0, 0, 0 }, /* SCC4: RXD */
+ /* PD21 */ { 1, 1, 0, 1, 0, 0 }, /* SCC4: TXD */
+ /* PD20 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */
+ /* PD19 */ { 0, 0, 0, 0, 0, 0 }, /* PD19 */
+ /* PD18 */ { 0, 0, 0, 0, 0, 0 }, /* PD18 */
+ /* PD17 */ { 0, 0, 0, 0, 0, 0 }, /* PD17 */
+ /* PD16 */ { 0, 0, 0, 0, 0, 0 }, /* PD16 */
+ /* PD15 */ { 1, 1, 1, 0, 0, 0 }, /* I2C SDA */
+ /* PD14 */ { 1, 1, 1, 0, 0, 0 }, /* I2C SCL */
+ /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
+ /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
+ /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
+ /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
+ /* PD9 */ { 1, 1, 0, 1, 0, 0 }, /* SMC1 TxD */
+ /* PD8 */ { 1, 1, 0, 0, 0, 0 }, /* SMC1 RxD */
+ /* PD7 */ { 0, 0, 0, 0, 0, 0 }, /* PD7 */
+ /* PD6 */ { 0, 0, 0, 0, 0, 0 }, /* PD6 */
+ /* PD5 */ { 0, 0, 0, 0, 0, 0 }, /* PD5 */
+ /* PD4 */ { 0, 0, 0, 0, 0, 0 }, /* PD4 */
+ /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* non-existent */
+ /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* non-existent */
+ }
+};
+
+/* Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx
+ *
+ * This routine performs standard 8260 initialization sequence
+ * and calculates the available memory size. It may be called
+ * several times to try different SDRAM configurations on both
+ * 60x and local buses.
+ */
+static long int try_init (volatile memctl8260_t * memctl, ulong sdmr,
+ ulong orx, volatile uchar * base)
+{
+ volatile uchar c = 0xff;
+ volatile uint *sdmr_ptr;
+ volatile uint *orx_ptr;
+ ulong maxsize, size;
+ int i;
+
+ /* We must be able to test a location outsize the maximum legal size
+ * to find out THAT we are outside; but this address still has to be
+ * mapped by the controller. That means, that the initial mapping has
+ * to be (at least) twice as large as the maximum expected size.
+ */
+ maxsize = (1 + (~orx | 0x7fff))/* / 2*/;
+
+ sdmr_ptr = &memctl->memc_psdmr;
+ orx_ptr = &memctl->memc_or1;
+
+ *orx_ptr = orx;
+
+ /*
+ * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35):
+ *
+ * "At system reset, initialization software must set up the
+ * programmable parameters in the memory controller banks registers
+ * (ORx, BRx, P/LSDMR). After all memory parameters are configured,
+ * system software should execute the following initialization sequence
+ * for each SDRAM device.
+ *
+ * 1. Issue a PRECHARGE-ALL-BANKS command
+ * 2. Issue eight CBR REFRESH commands
+ * 3. Issue a MODE-SET command to initialize the mode register
+ *
+ * The initial commands are executed by setting P/LSDMR[OP] and
+ * accessing the SDRAM with a single-byte transaction."
+ *
+ * The appropriate BRx/ORx registers have already been set when we
+ * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+ */
+
+ *sdmr_ptr = sdmr | PSDMR_OP_PREA;
+ *base = c;
+
+ *sdmr_ptr = sdmr | PSDMR_OP_CBRR;
+ for (i = 0; i < 8; i++)
+ *base = c;
+
+ *sdmr_ptr = sdmr | PSDMR_OP_MRW;
+ *(base + CFG_MRS_OFFS) = c; /* setting MR on address lines */
+
+ *sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
+ *base = c;
+
+ size = get_ram_size ((long *)base, maxsize);
+ *orx_ptr = orx | ~(size - 1);
+
+ return (size);
+}
+
+phys_size_t initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile memctl8260_t *memctl = &immap->im_memctl;
+
+ long psize;
+
+ memctl->memc_psrt = CFG_PSRT;
+ memctl->memc_mptpr = CFG_MPTPR;
+
+#ifndef CFG_RAMBOOT
+ /* 60x SDRAM setup:
+ */
+ psize = try_init (memctl, CFG_PSDMR, CFG_OR1,
+ (uchar *) CFG_SDRAM_BASE);
+#endif /* CFG_RAMBOOT */
+
+ icache_enable ();
+
+ return (psize);
+}
+
+int checkboard (void)
+{
+ puts ("Board: MUAS3001\n");
+
+ return 0;
+}
+
+/*
+ * Early board initalization.
+ */
+int board_early_init_r (void)
+{
+ return 0;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+/*
+ * update "memory" property in the blob
+ */
+void ft_blob_update (void *blob, bd_t *bd)
+{
+ int ret, nodeoffset = 0;
+ ulong memory_data[2] = {0};
+ ulong flash_data[4] = {0};
+ ulong freq = 0;
+ ulong speed = 0;
+
+ memory_data[0] = cpu_to_be32 (bd->bi_memstart);
+ memory_data[1] = cpu_to_be32 (bd->bi_memsize);
+
+ nodeoffset = fdt_path_offset (blob, "/memory");
+ if (nodeoffset >= 0) {
+ ret = fdt_setprop (blob, nodeoffset, "reg", memory_data,
+ sizeof(memory_data));
+ if (ret < 0)
+ printf ("ft_blob_update): cannot set /memory/reg "
+ "property err:%s\n", fdt_strerror (ret));
+ } else {
+ /* memory node is required in dts */
+ printf ("ft_blob_update(): cannot find /memory node "
+ "err:%s\n", fdt_strerror(nodeoffset));
+ }
+ /* update Flash addr, size */
+ flash_data[2] = cpu_to_be32 (CFG_FLASH_BASE);
+ flash_data[3] = cpu_to_be32 (CFG_FLASH_SIZE);
+ nodeoffset = fdt_path_offset (blob, "/localbus");
+ if (nodeoffset >= 0) {
+ ret = fdt_setprop (blob, nodeoffset, "ranges", flash_data,
+ sizeof (flash_data));
+ if (ret < 0)
+ printf ("ft_blob_update): cannot set /localbus/ranges "
+ "property err:%s\n", fdt_strerror(ret));
+ } else {
+ /* memory node is required in dts */
+ printf ("ft_blob_update(): cannot find /localbus node "
+ "err:%s\n", fdt_strerror (nodeoffset));
+ }
+ /* MAC Adresse */
+ nodeoffset = fdt_path_offset (blob, "/soc/cpm/ethernet");
+ if (nodeoffset >= 0) {
+ ret = fdt_setprop (blob, nodeoffset, "mac-address", bd->bi_enetaddr,
+ sizeof (uchar) * 6);
+ if (ret < 0)
+ printf ("ft_blob_update): cannot set /soc/cpm/ethernet/mac-address "
+ "property err:%s\n", fdt_strerror (ret));
+ } else {
+ /* memory node is required in dts */
+ printf ("ft_blob_update(): cannot find /soc/cpm/ethernet node "
+ "err:%s\n", fdt_strerror (nodeoffset));
+ }
+
+ /* brg clock */
+ nodeoffset = fdt_path_offset (blob, "/soc/cpm/brg");
+ if (nodeoffset >= 0) {
+ freq = cpu_to_be32 (bd->bi_brgfreq);
+ ret = fdt_setprop (blob, nodeoffset, "clock-frequency", &freq,
+ sizeof (unsigned long));
+ if (ret < 0)
+ printf ("ft_blob_update): cannot set /soc/cpm/brg/clock-frequency "
+ "property err:%s\n", fdt_strerror (ret));
+ } else {
+ /* memory node is required in dts */
+ printf ("ft_blob_update(): cannot find /soc/cpm/brg/clock-frequency node "
+ "err:%s\n", fdt_strerror (nodeoffset));
+ }
+
+ /* baudrate */
+ nodeoffset = fdt_path_offset (blob, "/soc/cpm/serial");
+ if (nodeoffset >= 0) {
+ speed = cpu_to_be32 (bd->bi_baudrate);
+ ret = fdt_setprop (blob, nodeoffset, "current-speed", &speed,
+ sizeof (unsigned long));
+ if (ret < 0)
+ printf ("ft_blob_update): cannot set /soc/cpm/serial/current-speed "
+ "property err:%s\n", fdt_strerror (ret));
+ } else {
+ /* baudrate is required in dts */
+ printf ("ft_blob_update(): cannot find /soc/cpm/smc2/current-speed node "
+ "err:%s\n", fdt_strerror (nodeoffset));
+ }
+}
+
+void ft_board_setup (void *blob, bd_t *bd)
+{
+ ft_cpu_setup (blob, bd);
+ ft_blob_update (blob, bd);
+}
+#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
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