Add initial support for Matrix Vision mvSMR board based on MPC5200B.

Signed-off-by: Andre Schwarz <andre.schwarz@matrix-vision.de>

1 files changed, 264 insertions, 0 deletions

diff --git a/board/matrix_vision/mvsmr/mvsmr.c b/board/matrix_vision/mvsmr/mvsmr.c
new file mode 100644
index 0000000000..69655c4cfe
--- /dev/null
+++ b/board/matrix_vision/mvsmr/mvsmr.c
@@ -0,0 +1,264 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
+ *
+ * (C) Copyright 2005-2010
+ * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.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 <mpc5xxx.h>
+#include <malloc.h>
+#include <pci.h>
+#include <i2c.h>
+#include <fpga.h>
+#include <environment.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include "fpga.h"
+#include "mvsmr.h"
+#include "../common/mv_common.h"
+
+#define SDRAM_DDR	1
+#define SDRAM_MODE	0x018D0000
+#define SDRAM_EMODE	0x40090000
+#define SDRAM_CONTROL	0x715f0f00
+#define SDRAM_CONFIG1	0xd3722930
+#define SDRAM_CONFIG2	0x46770000
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void sdram_start(int hi_addr)
+{
+	long hi_bit = hi_addr ? 0x01000000 : 0;
+
+	/* unlock mode register */
+	out_be32((u32 *)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | 0x80000000 |
+		hi_bit);
+
+	/* precharge all banks */
+	out_be32((u32 *)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | 0x80000002 |
+		hi_bit);
+
+	/* set mode register: extended mode */
+	out_be32((u32 *)MPC5XXX_SDRAM_MODE, SDRAM_EMODE);
+
+	/* set mode register: reset DLL */
+	out_be32((u32 *)MPC5XXX_SDRAM_MODE, SDRAM_MODE | 0x04000000);
+
+	/* precharge all banks */
+	out_be32((u32 *)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | 0x80000002 |
+		hi_bit);
+
+	/* auto refresh */
+	out_be32((u32 *)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | 0x80000004 |
+		hi_bit);
+
+	/* set mode register */
+	out_be32((u32 *)MPC5XXX_SDRAM_MODE, SDRAM_MODE);
+
+	/* normal operation */
+	out_be32((u32 *)MPC5XXX_SDRAM_CTRL, SDRAM_CONTROL | hi_bit);
+}
+
+phys_addr_t initdram(int board_type)
+{
+	ulong dramsize = 0;
+	ulong test1,
+	      test2;
+
+	/* setup SDRAM chip selects */
+	out_be32((u32 *)MPC5XXX_SDRAM_CS0CFG, 0x0000001e);
+
+	/* setup config registers */
+	out_be32((u32 *)MPC5XXX_SDRAM_CONFIG1, SDRAM_CONFIG1);
+	out_be32((u32 *)MPC5XXX_SDRAM_CONFIG2, SDRAM_CONFIG2);
+
+	/* find RAM size using SDRAM CS0 only */
+	sdram_start(0);
+	test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
+	sdram_start(1);
+	test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
+	if (test1 > test2) {
+		sdram_start(0);
+		dramsize = test1;
+	} else
+		dramsize = test2;
+
+	if (dramsize < (1 << 20))
+		dramsize = 0;
+
+	if (dramsize > 0)
+		out_be32((u32 *)MPC5XXX_SDRAM_CS0CFG, 0x13 +
+			__builtin_ffs(dramsize >> 20) - 1);
+	else
+		out_be32((u32 *)MPC5XXX_SDRAM_CS0CFG, 0);
+
+	return dramsize;
+}
+
+void mvsmr_init_gpio(void)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+	struct mpc5xxx_wu_gpio *wu_gpio =
+		(struct mpc5xxx_wu_gpio *)MPC5XXX_WU_GPIO;
+	struct mpc5xxx_gpt_0_7 *timers = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
+
+	printf("Ports : 0x%08x\n", gpio->port_config);
+	printf("PORCFG: 0x%08x\n", in_be32((unsigned *)MPC5XXX_CDM_PORCFG));
+
+	out_be32(&gpio->simple_ddr, SIMPLE_DDR);
+	out_be32(&gpio->simple_dvo, SIMPLE_DVO);
+	out_be32(&gpio->simple_ode, SIMPLE_ODE);
+	out_be32(&gpio->simple_gpioe, SIMPLE_GPIOEN);
+
+	out_8(&gpio->sint_ode, SINT_ODE);
+	out_8(&gpio->sint_ddr, SINT_DDR);
+	out_8(&gpio->sint_dvo, SINT_DVO);
+	out_8(&gpio->sint_inten, SINT_INTEN);
+	out_be16(&gpio->sint_itype, SINT_ITYPE);
+	out_8(&gpio->sint_gpioe, SINT_GPIOEN);
+
+	out_8(&wu_gpio->ode, WKUP_ODE);
+	out_8(&wu_gpio->ddr, WKUP_DIR);
+	out_8(&wu_gpio->dvo, WKUP_DO);
+	out_8(&wu_gpio->enable, WKUP_EN);
+
+	out_be32(&timers->gpt0.emsr, 0x00000234); /* OD output high */
+	out_be32(&timers->gpt1.emsr, 0x00000234);
+	out_be32(&timers->gpt2.emsr, 0x00000234);
+	out_be32(&timers->gpt3.emsr, 0x00000234);
+	out_be32(&timers->gpt4.emsr, 0x00000234);
+	out_be32(&timers->gpt5.emsr, 0x00000234);
+	out_be32(&timers->gpt6.emsr, 0x00000024); /* push-pull output low */
+	out_be32(&timers->gpt7.emsr, 0x00000024);
+}
+
+int misc_init_r(void)
+{
+	char *s = getenv("reset_env");
+
+	if (s) {
+		printf(" === FACTORY RESET ===\n");
+		mv_reset_environment();
+		saveenv();
+	}
+
+	return -1;
+}
+
+void mvsmr_get_dbg_present(void)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+	struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)MPC5XXX_PSC1;
+
+	if (in_be32(&gpio->simple_ival) & COP_PRESENT) {
+		setenv("dbg_present", "no\0");
+		setenv("bootstopkey", "abcdefghijklmnopqrstuvwxyz\0");
+	} else {
+		setenv("dbg_present", "yes\0");
+		setenv("bootstopkey", "s\0");
+		setbits_8(&psc->command, PSC_RX_ENABLE);
+	}
+}
+
+void mvsmr_get_service_mode(void)
+{
+	struct mpc5xxx_wu_gpio *wu_gpio =
+		(struct mpc5xxx_wu_gpio *)MPC5XXX_WU_GPIO;
+
+	if (in_8(&wu_gpio->ival) & SERVICE_MODE)
+		setenv("servicemode", "no\0");
+	else
+		setenv("servicemode", "yes\0");
+}
+
+int mvsmr_get_mac(void)
+{
+	unsigned char mac[6];
+	struct mpc5xxx_wu_gpio *wu_gpio =
+		(struct mpc5xxx_wu_gpio *)MPC5XXX_WU_GPIO;
+
+	if (in_8(&wu_gpio->ival) & LAN_PRSNT) {
+		setenv("lan_present", "no\0");
+		return -1;
+	} else
+		setenv("lan_present", "yes\0");
+
+	i2c_read(0x50, 0, 1, mac, 6);
+
+	eth_setenv_enetaddr("ethaddr", mac);
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	mvsmr_init_gpio();
+	printf("Board: Matrix Vision mvSMR\n");
+
+	return 0;
+}
+
+void flash_preinit(void)
+{
+	/*
+	 * Now, when we are in RAM, enable flash write
+	 * access for detection process.
+	 * Note that CS_BOOT cannot be cleared when
+	 * executing in flash.
+	 */
+	clrbits_be32((u32 *)MPC5XXX_BOOTCS_CFG, 0x1);
+}
+
+void flash_afterinit(ulong size)
+{
+	out_be32((u32 *)MPC5XXX_BOOTCS_START,
+		START_REG(CONFIG_SYS_BOOTCS_START | size));
+	out_be32((u32 *)MPC5XXX_CS0_START,
+		START_REG(CONFIG_SYS_BOOTCS_START | size));
+	out_be32((u32 *)MPC5XXX_BOOTCS_STOP,
+		STOP_REG(CONFIG_SYS_BOOTCS_START | size, size));
+	out_be32((u32 *)MPC5XXX_CS0_STOP,
+		STOP_REG(CONFIG_SYS_BOOTCS_START | size, size));
+}
+
+struct pci_controller hose;
+
+void pci_init_board(void)
+{
+	mvsmr_get_dbg_present();
+	mvsmr_get_service_mode();
+	mvsmr_init_fpga();
+	mv_load_fpga();
+	pci_mpc5xxx_init(&hose);
+}
+
+int board_eth_init(bd_t *bis)
+{
+	if (!mvsmr_get_mac())
+		return cpu_eth_init(bis);
+
+	return pci_eth_init(bis);
+}