powerpc/km82xx: rename mgcoge files to km82xx

The directory and file mgcoge was renamed to km82xx.
Because other keymile 82xx will follow and will use the
same platform code.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Acked-by: Heiko Schocher <hs@denx.de>
cc: Wolfgang Denk <wd@denx.de>
cc: Detlev Zundel <dzu@denx.de>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>

1 files changed, 347 insertions, 0 deletions

diff --git a/board/keymile/km82xx/km82xx.c b/board/keymile/km82xx/km82xx.c
new file mode 100644
index 0000000..6c511a6
--- /dev/null
+++ b/board/keymile/km82xx/km82xx.c
@@ -0,0 +1,347 @@
+/*
+ * (C) Copyright 2007 - 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>
+#include <malloc.h>
+#include <asm/io.h>
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+#include <i2c.h>
+#endif
+
+#include "../common/common.h"
+
+/*
+ * 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 */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA31	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA30	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA29	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA28	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA27	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA26	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA25	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA24	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA23	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA22	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA21	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA20	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA19	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA18	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA17	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA16	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA15	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA14	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA13	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA12	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA11	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA10	     */
+		{ 1,		 1,   0,   1,	0,   0 }, /* PA9 SMC2 TxD    */
+		{ 1,		 1,   0,   0,	0,   0 }, /* PA8 SMC2 RxD    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA7	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA6	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA5	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA4	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA3	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA2	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PA1	     */
+		{ 0,		 0,   0,   0,	0,   0 }  /* PA0	     */
+	},
+
+	/* Port B */
+	{	/*	      conf	ppar psor pdir podr pdat */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB31	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB30	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB29	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB28	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB27	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB26	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB25	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB24	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB23	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB22	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB21	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB20	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB19	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PB18	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }  /* non-existent    */
+	},
+
+	/* Port C */
+	{	/*	      conf	ppar psor pdir podr pdat */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC31	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC30	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC29	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC28	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC27	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC26	     */
+		{ 1,		 1,   0,   0,	0,   0 }, /* PC25 RxClk      */
+		{ 1,		 1,   0,   0,	0,   0 }, /* PC24 TxClk      */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC23	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC22	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC21	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC20	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC19	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC18	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC17	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC16	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC15	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC14	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC13	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC12	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC11	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC10	     */
+		{ 1,		 1,   0,   0,	0,   0 }, /* PC9  SCC4: CTS  */
+		{ 1,		 1,   0,   0,	0,   0 }, /* PC8  SCC4: CD   */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC7	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC6	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC5	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC4	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC3	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC2	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC1	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PC0	     */
+	},
+
+	/* Port D */
+	{	/*	      conf	ppar psor pdir podr pdat */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD31	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD30	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD29	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD28	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD27	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD26	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD25	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD24	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD23	     */
+		{ 1,		 1,   0,   0,	0,   0 }, /* PD22 SCC4: RXD  */
+		{ 1,		 1,   0,   1,	0,   0 }, /* PD21 SCC4: TXD  */
+		{ 1,		 1,   0,   1,	0,   0 }, /* PD20 SCC4: RTS  */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD19	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD18	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD17	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD16	     */
+#if defined(CONFIG_HARD_I2C)
+		{ 1,		 1,   1,   0,	1,   0 }, /* PD15 I2C SDA    */
+		{ 1,		 1,   1,   0,	1,   0 }, /* PD14 I2C SCL    */
+#else
+		{ 1,		 0,   0,   0,	1,   1 }, /* PD15	     */
+		{ 1,		 0,   0,   1,	1,   1 }, /* PD14	     */
+#endif
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD13	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD12	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD11	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD10	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD9	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD8	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD7	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD6	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD5	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* PD4	     */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 0,		 0,   0,   0,	0,   0 }, /* non-existent    */
+		{ 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(memctl8260_t *memctl, ulong sdmr,
+				  ulong orx, uchar *base)
+{
+	uchar c = 0xff;
+	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*/;
+
+	out_be32(&memctl->memc_or1, 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
+	 * CONFIG_SYS_SDRAM_BASE.
+	 */
+
+	out_be32(&memctl->memc_psdmr, sdmr | PSDMR_OP_PREA);
+	out_8(base, c);
+
+	out_be32(&memctl->memc_psdmr, sdmr | PSDMR_OP_CBRR);
+	for (i = 0; i < 8; i++)
+		out_8(base, c);
+
+	out_be32(&memctl->memc_psdmr, sdmr | PSDMR_OP_MRW);
+	/* setting MR on address lines */
+	out_8((uchar *)(base + CONFIG_SYS_MRS_OFFS), c);
+
+	out_be32(&memctl->memc_psdmr, sdmr | PSDMR_OP_NORM | PSDMR_RFEN);
+	out_8(base, c);
+
+	size = get_ram_size((long *)base, maxsize);
+	out_be32(&memctl->memc_or1, orx | ~(size - 1));
+
+	return size;
+}
+
+phys_size_t initdram(int board_type)
+{
+	immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+	memctl8260_t *memctl = &immap->im_memctl;
+
+	long psize;
+
+	out_8(&memctl->memc_psrt, CONFIG_SYS_PSRT);
+	out_be16(&memctl->memc_mptpr, CONFIG_SYS_MPTPR);
+
+#ifndef CONFIG_SYS_RAMBOOT
+	/* 60x SDRAM setup:
+	 */
+	psize = try_init(memctl, CONFIG_SYS_PSDMR, CONFIG_SYS_OR1,
+				  (uchar *) CONFIG_SYS_SDRAM_BASE);
+#endif /* CONFIG_SYS_RAMBOOT */
+
+	icache_enable();
+
+	return psize;
+}
+
+int checkboard(void)
+{
+#if defined(CONFIG_MGCOGE)
+	puts("Board: Keymile mgcoge");
+#else
+	puts("Board: Keymile mgcoge2ne");
+#endif
+	if (ethernet_present())
+		puts(" with PIGGY.");
+	puts("\n");
+	return 0;
+}
+
+#define DIPSWITCH_OFFSET 0x89
+#define DIPSWITCH_MASK   0x0f
+
+int last_stage_init(void)
+{
+	u8 dip_switch;
+	/* Dip switch */
+	dip_switch = readb(CONFIG_SYS_BFTICU_BASE + DIPSWITCH_OFFSET);
+	dip_switch &= DIPSWITCH_MASK;
+	/* dip switch 'full reset' or 'db erase' */
+	if (dip_switch & 0x1 || dip_switch & 0x2) {
+		/* start bootloader */
+		puts("DIP:   Enabled\n");
+		setenv("actual_bank", "0");
+	}
+	set_km_env();
+	return 0;
+}
+
+/*
+ * Early board initalization.
+ */
+int board_early_init_r(void)
+{
+	struct km_bec_fpga *base =
+		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
+
+	/* setup the UPIOx */
+	/* General Unit Reset disabled, Flash Bank enabled, UnitLed on */
+	out_8(&base->oprth, (WRG_RESET | H_OPORTS_14 | WRG_LED));
+	/* SCC4 enable, halfduplex, FCC1 powerdown */
+	out_8(&base->oprtl, (H_OPORTS_SCC4_ENA | H_OPORTS_SCC4_FD_ENA |
+		H_OPORTS_FCC1_PW_DWN));
+
+	return 0;
+}
+
+int hush_init_var(void)
+{
+	ivm_read_eeprom();
+	return 0;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	ft_cpu_setup(blob, bd);
+}
+#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */