Added support for the mgcoge board from keymile.

Signed-off-by: Heiko Schocher <hs@denx.de>

1 files changed, 345 insertions, 0 deletions

diff --git a/board/mgcoge/mgcoge.c b/board/mgcoge/mgcoge.c
new file mode 100644
index 0000000..0207a3a
--- /dev/null
+++ b/board/mgcoge/mgcoge.c
@@ -0,0 +1,345 @@
+/*
+ * (C) Copyright 2007
+ * 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 */ { 0,          0,   0,   0,   0,   0 }, /* PA29            */
+	/* PA28 */ { 0,          0,   0,   0,   0,   0 }, /* PA28            */
+	/* PA27 */ { 0,          0,   0,   0,   0,   0 }, /* PA27            */
+	/* PA26 */ { 0,          0,   0,   0,   0,   0 }, /* PA26            */
+	/* PA25 */ { 0,          0,   0,   0,   0,   0 }, /* PA25            */
+	/* PA24 */ { 0,          0,   0,   0,   0,   0 }, /* PA24            */
+	/* PA23 */ { 0,          0,   0,   0,   0,   0 }, /* PA23            */
+	/* PA22 */ { 0,          0,   0,   0,   0,   0 }, /* PA22            */
+	/* PA21 */ { 0,          0,   0,   0,   0,   0 }, /* PA21            */
+	/* PA20 */ { 0,          0,   0,   0,   0,   0 }, /* PA20            */
+	/* PA19 */ { 0,          0,   0,   0,   0,   0 }, /* PA19            */
+	/* PA18 */ { 0,          0,   0,   0,   0,   0 }, /* PA18            */
+	/* PA17 */ { 0,          0,   0,   0,   0,   0 }, /* PA17            */
+	/* PA16 */ { 0,          0,   0,   0,   0,   0 }, /* PA16            */
+	/* PA15 */ { 0,          0,   0,   0,   0,   0 }, /* PA15            */
+	/* PA14 */ { 0,          0,   0,   0,   0,   0 }, /* PA14            */
+	/* PA13 */ { 0,          0,   0,   0,   0,   0 }, /* PA13            */
+	/* PA12 */ { 0,          0,   0,   0,   0,   0 }, /* PA12            */
+	/* PA11 */ { 0,          0,   0,   0,   0,   0 }, /* PA11            */
+	/* PA10 */ { 0,          0,   0,   0,   0,   0 }, /* PA10            */
+	/* PA9  */ { 1,          1,   0,   1,   0,   0 }, /* SMC2 TxD        */
+	/* 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 */ { 0,          0,   0,   0,   0,   0 }, /* PB28            */
+	/* 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 */ { 0,          0,   0,   0,   0,   0 }, /* non-existent    */
+	/* PB14 */ { 0,          0,   0,   0,   0,   0 }, /* non-existent    */
+	/* PB13 */ { 0,          0,   0,   0,   0,   0 }, /* non-existent    */
+	/* PB12 */ { 0,          0,   0,   0,   0,   0 }, /* non-existent    */
+	/* 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  */ { 0,          0,   0,   0,   0,   0 }, /* non-existent    */
+	/* 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 */ { 0,          0,   0,   0,   0,   0 }, /* PC30            */
+	/* 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 */ { 1,          1,   0,   0,   0,   0 }, /* SCC4 RxClk      */
+	/* PC24 */ { 1,          1,   0,   0,   0,   0 }, /* SCC4 TxClk      */
+	/* PC23 */ { 0,          0,   0,   0,   0,   0 }, /* PC23            */
+	/* PC22 */ { 0,          0,   0,   0,   0,   0 }, /* PC22            */
+	/* PC21 */ { 0,          0,   0,   0,   0,   0 }, /* PC21            */
+	/* PC20 */ { 0,          0,   0,   0,   0,   0 }, /* PC20            */
+	/* 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 */ { 0,          0,   0,   0,   0,   0 }, /* PC15            */
+	/* PC14 */ { 0,          0,   0,   0,   0,   0 }, /* PC14            */
+	/* PC13 */ { 0,          0,   0,   0,   0,   0 }, /* PC13            */
+	/* PC12 */ { 0,          0,   0,   0,   0,   0 }, /* PC12            */
+	/* PC11 */ { 0,          0,   0,   0,   0,   0 }, /* PC11            */
+	/* PC10 */ { 0,          0,   0,   0,   0,   0 }, /* PC10            */
+	/* PC9  */ { 1,          1,   0,   0,   0,   0 }, /* SCC4: CTS       */
+	/* PC8  */ { 1,          1,   0,   0,   0,   0 }, /* SCC4: CD        */
+	/* 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 */ { 0,          0,   0,   0,   0,   0 }, /* PD31            */
+	/* 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 */ { 1,          1,   0,   1,   0,   0 }, /* SCC4: RTS       */
+	/* 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 */ { 0,          0,   0,   0,   0,   0 }, /* PD15            */
+	/* PD14 */ { 0,          0,   0,   0,   0,   0 }, /* PD14            */
+	/* 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  */ { 0,          0,   0,   0,   0,   0 }, /* PD9             */
+	/* PD8  */ { 0,          0,   0,   0,   0,   0 }, /* PD8             */
+	/* 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);
+}
+
+long int 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: mgcoge\n");
+
+	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};
+
+	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 size */
+	flash_data[2] = cpu_to_be32(bd->bi_flashstart);
+	flash_data[3] = cpu_to_be32(bd->bi_flashsize);
+	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 /localbus 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) */