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author | Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> | 2011-11-15 12:29:06 +0900 |
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committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2011-12-02 13:46:22 +0900 |
commit | 6d1d5cf96ef9d7756a741709071c9c23b8490a0c (patch) | |
tree | 49b1f894b375c01b725ee931df6f8058b35321ce /board/renesas/ecovec/ecovec.c | |
parent | bead86a83610bf2ac63a82f83f48ddc041aac725 (diff) | |
download | u-boot-imx-6d1d5cf96ef9d7756a741709071c9c23b8490a0c.zip u-boot-imx-6d1d5cf96ef9d7756a741709071c9c23b8490a0c.tar.gz u-boot-imx-6d1d5cf96ef9d7756a741709071c9c23b8490a0c.tar.bz2 |
sh: Add support for ecovec board
The ecovec board has SH7724, 256MB DDR2-SDRAM, USB,
Ethernet, and more.
This patch supports the following functions:
- 256MB DDR2-SDRAM
- USB
- I2C
- Ethernet
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'board/renesas/ecovec/ecovec.c')
-rw-r--r-- | board/renesas/ecovec/ecovec.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/board/renesas/ecovec/ecovec.c b/board/renesas/ecovec/ecovec.c new file mode 100644 index 0000000..275b0ba --- /dev/null +++ b/board/renesas/ecovec/ecovec.c @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2009, 2011 Renesas Solutions Corp. + * Copyright (C) 2009 Kuninori Morimoto <morimoto.kuninori@renesas.com> + * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> + * + * 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 <command.h> +#include <asm/io.h> +#include <asm/processor.h> +#include <i2c.h> +#include <netdev.h> + +/* USB power management register */ +#define UPONCR0 0xA40501D4 + +int checkboard(void) +{ + puts("BOARD: ecovec\n"); + return 0; +} + +int dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; + printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); + return 0; +} + +static void debug_led(u8 led) +{ + /* PDGR[0-4] is debug LED */ + outb((inb(PGDR) & ~0x0F) | (led & 0x0F), PGDR); +} + +int board_late_init(void) +{ + u8 mac[6]; + char env_mac[17]; + int i; + + udelay(1000); + + /* SH-Eth (PLCR, PNCR, PXCR, PSELx )*/ + outw(inw(PLCR) & ~0xFFF0, PLCR); + outw(inw(PNCR) & ~0x000F, PNCR); + outw(inw(PXCR) & ~0x0FC0, PXCR); + outw((inw(PSELB) & ~0x030F) | 0x020A, PSELB); + outw((inw(PSELC) & ~0x0307) | 0x0207, PSELC); + outw((inw(PSELE) & ~0x00c0) | 0x0080, PSELE); + + debug_led(1 << 3); + + outl(inl(MSTPCR2) & ~0x10000000, MSTPCR2); + + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + i2c_set_bus_num(CONFIG_SYS_I2C_MODULE); /* Use I2C 1 */ + + /* Read MAC address */ + i2c_read(0x50, 0x10, 0, mac, 6); + + /* Set MAC address */ + sprintf(env_mac, "%02X:%02X:%02X:%02X:%02X:%02X", + mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); + setenv("ethaddr", env_mac); + + debug_led(0x0F); + + return 0; +} + +int board_init(void) +{ + + /* LED (PTG) */ + outw((inw(PGCR) & ~0xFF) | 0x66, PGCR); + outw((inw(HIZCRA) & ~0x02), HIZCRA); + + debug_led(1 << 0); + + /* SCIF0 (PTF, PTM) */ + outw(inw(PFCR) & ~0x30, PFCR); + outw(inw(PMCR) & ~0x0C, PMCR); + outw((inw(PSELA) & ~0x40) | 0x40, PSELA); + + debug_led(1 << 1); + + /* RMII (PTA) */ + outw((inw(PACR) & ~0x0C) | 0x04, PACR); + outb((inb(PADR) & ~0x02) | 0x02, PADR); + + debug_led(1 << 2); + + /* USB host */ + outw((inw(PBCR) & ~0x300) | 0x100, PBCR); + outb((inb(PBDR) & ~0x10) | 0x10, PBDR); + outl(inl(MSTPCR2) & 0x100000, MSTPCR2); + outw(0x0600, UPONCR0); + + debug_led(1 << 3); + + /* debug switch */ + outw((inw(PVCR) & ~0x03) | 0x02 , PVCR); + + return 0; +} |