[ARM] TI DaVinci support, hopefully final

Add support for the following DaVinci boards:
- DV_EVM
- SCHMOOGIE
- SONATA

Changes:

- Split into separate board directories
- Removed changes to MTD_DEBUG (or whatever it's called)
- New CONFIG_CMD party line followed
- Some cosmetic fixes, cleanup etc.
- Patches against the latest U-Boot tree as of now.
- Fixed CONFIG_CMD_NET in net files.
- Fixed CONFIG_CMD_EEPROM for schmoogie.
- Made sure it compiles and works (forceenv() link problem) on SCHMOOGIE and
   DV_EVM. Can't check if it works on SONATA, don't have a board any more,
   but it at least compiles.

Here is an excerpt from session log on SCHMOOGIE...

U-Boot 1.2.0-g6c33c785-dirty (Aug  7 2007 - 13:07:17)

DRAM:  128 MB
NAND:  128 MiB
In:    serial
Out:   serial
Err:   serial
ARM Clock : 297MHz
DDR Clock : 162MHz
ETH PHY   : DP83848 @ 0x01
U-Boot > iprobe
Valid chip addresses: 1B 38 3A 3D 3F 50 5D 6F
U-Boot > ping 192.168.253.10
host 192.168.253.10 is alive
U-Boot >

Signed-off-by: Sergey Kubushyn <ksi@koi8.net>
Acked-by: Dirk Behme <dirk.behme@gmail.com>
Acked-by: Zach Sadecki <Zach.Sadecki@ripcode.com>
Acked-by: Stefan Roese <sr@denx.de>

1 files changed, 253 insertions, 0 deletions

diff --git a/board/davinci/schmoogie/dv_board.c b/board/davinci/schmoogie/dv_board.c
new file mode 100644
index 0000000..b15c5f7
--- /dev/null
+++ b/board/davinci/schmoogie/dv_board.c
@@ -0,0 +1,253 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Parts are shamelessly stolen from various TI sources, original copyright
+ * follows:
+ * -----------------------------------------------------------------
+ *
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * ----------------------------------------------------------------------------
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ----------------------------------------------------------------------------
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/emac_defs.h>
+
+#define MACH_TYPE_SCHMOOGIE		1255
+
+extern void	i2c_init(int speed, int slaveaddr);
+extern void	timer_init(void);
+extern int	eth_hw_init(void);
+extern phy_t	phy;
+
+
+/* Works on Always On power domain only (no PD argument) */
+void lpsc_on(unsigned int id)
+{
+	dv_reg_p	mdstat, mdctl;
+
+	if (id >= DAVINCI_LPSC_GEM)
+		return;			/* Don't work on DSP Power Domain */
+
+	mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
+	mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
+
+	while (REG(PSC_PTSTAT) & 0x01) {;}
+
+	if ((*mdstat & 0x1f) == 0x03)
+		return;			/* Already on and enabled */
+
+	*mdctl |= 0x03;
+
+	/* Special treatment for some modules as for sprue14 p.7.4.2 */
+	if (	(id == DAVINCI_LPSC_VPSSSLV) ||
+		(id == DAVINCI_LPSC_EMAC) ||
+		(id == DAVINCI_LPSC_EMAC_WRAPPER) ||
+		(id == DAVINCI_LPSC_MDIO) ||
+		(id == DAVINCI_LPSC_USB) ||
+		(id == DAVINCI_LPSC_ATA) ||
+		(id == DAVINCI_LPSC_VLYNQ) ||
+		(id == DAVINCI_LPSC_UHPI) ||
+		(id == DAVINCI_LPSC_DDR_EMIF) ||
+		(id == DAVINCI_LPSC_AEMIF) ||
+		(id == DAVINCI_LPSC_MMC_SD) ||
+		(id == DAVINCI_LPSC_MEMSTICK) ||
+		(id == DAVINCI_LPSC_McBSP) ||
+		(id == DAVINCI_LPSC_GPIO)
+	   )
+	   	*mdctl |= 0x200;
+
+	REG(PSC_PTCMD) = 0x01;
+
+	while (REG(PSC_PTSTAT) & 0x03) {;}
+	while ((*mdstat & 0x1f) != 0x03) {;}	/* Probably an overkill... */
+}
+
+void dsp_on(void)
+{
+	int	i;
+
+	if (REG(PSC_PDSTAT1) & 0x1f)
+		return;			/* Already on */
+
+	REG(PSC_GBLCTL) |= 0x01;
+	REG(PSC_PDCTL1) |= 0x01;
+	REG(PSC_PDCTL1) &= ~0x100;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
+	REG(PSC_PTCMD) = 0x02;
+
+	for (i = 0; i < 100; i++) {
+		if (REG(PSC_EPCPR) & 0x02)
+			break;
+	}
+
+	REG(PSC_CHP_SHRTSW) = 0x01;
+	REG(PSC_PDCTL1) |= 0x100;
+	REG(PSC_EPCCR) = 0x02;
+
+	for (i = 0; i < 100; i++) {
+		if (!(REG(PSC_PTSTAT) & 0x02))
+			break;
+	}
+
+	REG(PSC_GBLCTL) &= ~0x1f;
+}
+
+
+int board_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* arch number of the board */
+	gd->bd->bi_arch_number = MACH_TYPE_SCHMOOGIE;
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	/* Workaround for TMS320DM6446 errata 1.3.22 */
+	REG(PSC_SILVER_BULLET) = 0;
+
+	/* Power on required peripherals */
+	lpsc_on(DAVINCI_LPSC_EMAC);
+	lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
+	lpsc_on(DAVINCI_LPSC_MDIO);
+	lpsc_on(DAVINCI_LPSC_I2C);
+	lpsc_on(DAVINCI_LPSC_UART0);
+	lpsc_on(DAVINCI_LPSC_TIMER1);
+	lpsc_on(DAVINCI_LPSC_GPIO);
+
+	/* Powerup the DSP */
+	dsp_on();
+
+	/* Bringup UART0 out of reset */
+	REG(UART0_PWREMU_MGMT) = 0x0000e003;
+
+	/* Enable GIO3.3V cells used for EMAC */
+	REG(VDD3P3V_PWDN) = 0;
+
+	/* Enable UART0 MUX lines */
+	REG(PINMUX1) |= 1;
+
+	/* Enable EMAC and AEMIF pins */
+	REG(PINMUX0) = 0x80000c1f;
+
+	/* Enable I2C pin Mux */
+	REG(PINMUX1) |= (1 << 7);
+
+	/* Set the Bus Priority Register to appropriate value */
+	REG(VBPR) = 0x20;
+
+	timer_init();
+
+	return(0);
+}
+
+int misc_init_r (void)
+{
+	u_int8_t	tmp[20], buf[10];
+	int		i = 0;
+	int		clk = 0;
+
+	/* Set serial number from UID chip */
+	u_int8_t	crc_tbl[256] = {
+			0x00, 0x5e, 0xbc, 0xe2, 0x61, 0x3f, 0xdd, 0x83,
+			0xc2, 0x9c, 0x7e, 0x20, 0xa3, 0xfd, 0x1f, 0x41,
+			0x9d, 0xc3, 0x21, 0x7f, 0xfc, 0xa2, 0x40, 0x1e,
+			0x5f, 0x01, 0xe3, 0xbd, 0x3e, 0x60, 0x82, 0xdc,
+			0x23, 0x7d, 0x9f, 0xc1, 0x42, 0x1c, 0xfe, 0xa0,
+			0xe1, 0xbf, 0x5d, 0x03, 0x80, 0xde, 0x3c, 0x62,
+			0xbe, 0xe0, 0x02, 0x5c, 0xdf, 0x81, 0x63, 0x3d,
+			0x7c, 0x22, 0xc0, 0x9e, 0x1d, 0x43, 0xa1, 0xff,
+			0x46, 0x18, 0xfa, 0xa4, 0x27, 0x79, 0x9b, 0xc5,
+			0x84, 0xda, 0x38, 0x66, 0xe5, 0xbb, 0x59, 0x07,
+			0xdb, 0x85, 0x67, 0x39, 0xba, 0xe4, 0x06, 0x58,
+			0x19, 0x47, 0xa5, 0xfb, 0x78, 0x26, 0xc4, 0x9a,
+			0x65, 0x3b, 0xd9, 0x87, 0x04, 0x5a, 0xb8, 0xe6,
+			0xa7, 0xf9, 0x1b, 0x45, 0xc6, 0x98, 0x7a, 0x24,
+			0xf8, 0xa6, 0x44, 0x1a, 0x99, 0xc7, 0x25, 0x7b,
+			0x3a, 0x64, 0x86, 0xd8, 0x5b, 0x05, 0xe7, 0xb9,
+			0x8c, 0xd2, 0x30, 0x6e, 0xed, 0xb3, 0x51, 0x0f,
+			0x4e, 0x10, 0xf2, 0xac, 0x2f, 0x71, 0x93, 0xcd,
+			0x11, 0x4f, 0xad, 0xf3, 0x70, 0x2e, 0xcc, 0x92,
+			0xd3, 0x8d, 0x6f, 0x31, 0xb2, 0xec, 0x0e, 0x50,
+			0xaf, 0xf1, 0x13, 0x4d, 0xce, 0x90, 0x72, 0x2c,
+			0x6d, 0x33, 0xd1, 0x8f, 0x0c, 0x52, 0xb0, 0xee,
+			0x32, 0x6c, 0x8e, 0xd0, 0x53, 0x0d, 0xef, 0xb1,
+			0xf0, 0xae, 0x4c, 0x12, 0x91, 0xcf, 0x2d, 0x73,
+			0xca, 0x94, 0x76, 0x28, 0xab, 0xf5, 0x17, 0x49,
+			0x08, 0x56, 0xb4, 0xea, 0x69, 0x37, 0xd5, 0x8b,
+			0x57, 0x09, 0xeb, 0xb5, 0x36, 0x68, 0x8a, 0xd4,
+			0x95, 0xcb, 0x29, 0x77, 0xf4, 0xaa, 0x48, 0x16,
+			0xe9, 0xb7, 0x55, 0x0b, 0x88, 0xd6, 0x34, 0x6a,
+			0x2b, 0x75, 0x97, 0xc9, 0x4a, 0x14, 0xf6, 0xa8,
+			0x74, 0x2a, 0xc8, 0x96, 0x15, 0x4b, 0xa9, 0xf7,
+			0xb6, 0xe8, 0x0a, 0x54, 0xd7, 0x89, 0x6b, 0x35
+		};
+
+	clk = ((REG(PLL2_PLLM) + 1) * 27) / ((REG(PLL2_DIV2) & 0x1f) + 1);
+
+	printf ("ARM Clock : %dMHz\n", ((REG(PLL1_PLLM) + 1) * 27 ) / 2);
+	printf ("DDR Clock : %dMHz\n", (clk / 2));
+
+	/* Set serial number from UID chip */
+	if (i2c_read(CFG_UID_ADDR, 0, 1, buf, 8)) {
+		printf("\nUID @ 0x%02x read FAILED!!!\n", CFG_UID_ADDR);
+		forceenv("serial#", "FAILED");
+	} else {
+		if (buf[0] != 0x70) {	/* Device Family Code */
+			printf("\nUID @ 0x%02x read FAILED!!!\n", CFG_UID_ADDR);
+			forceenv("serial#", "FAILED");
+		}
+	}
+	/* Now check CRC */
+	tmp[0] = 0;
+	for (i = 0; i < 8; i++)
+		tmp[0] = crc_tbl[tmp[0] ^ buf[i]];
+
+	if (tmp[0] != 0) {
+		printf("\nUID @ 0x%02x - BAD CRC!!!\n", CFG_UID_ADDR);
+		forceenv("serial#", "FAILED");
+	} else {
+		/* CRC OK, set "serial" env variable */
+		sprintf((char *)&tmp[0], "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx",
+			buf[6], buf[5], buf[4], buf[3], buf[2], buf[1]);
+		forceenv("serial#", (char *)&tmp[0]);
+	}
+
+	if (!eth_hw_init()) {
+		printf("ethernet init failed!\n");
+	} else {
+		printf("ETH PHY   : %s\n", phy.name);
+	}
+
+	return(0);
+}
+
+int dram_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return(0);
+}