sh: Renesas R0P7785LC0011RL board support
This board has SH7785, 512MB DDR2-SDRAM, NOR Flash,
Graphic, Ethernet, USB, SD, RTC, and I2C controller.
This patch supports the following functions:
- 128MB DDR2-SDRAM (29-bit address mode only)
- NOR Flash
- USB host
- Ethernet
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/sh7785lcr/rtl8169_mac.c b/board/sh7785lcr/rtl8169_mac.c
new file mode 100644
index 0000000..2bc873b
--- /dev/null
+++ b/board/sh7785lcr/rtl8169_mac.c
@@ -0,0 +1,349 @@
+/*
+ * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@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 "rtl8169.h"
+
+static unsigned char *PCI_MEMR;
+
+static void mac_delay(unsigned int cnt)
+{
+ udelay(cnt);
+}
+
+static void mac_pci_setup(void)
+{
+ unsigned long pci_data;
+
+ PCI_PAR = 0x00000010;
+ PCI_PDR = 0x00001000;
+ PCI_PAR = 0x00000004;
+ pci_data = PCI_PDR;
+ PCI_PDR = pci_data | 0x00000007;
+ PCI_PAR = 0x00000010;
+
+ PCI_MEMR = (unsigned char *)((PCI_PDR | 0xFE240050) & 0xFFFFFFF0);
+}
+
+static void EECS(int level)
+{
+ unsigned char data = *PCI_MEMR;
+
+ if (level)
+ *PCI_MEMR = data | 0x08;
+ else
+ *PCI_MEMR = data & 0xf7;
+}
+
+static void EECLK(int level)
+{
+ unsigned char data = *PCI_MEMR;
+
+ if (level)
+ *PCI_MEMR = data | 0x04;
+ else
+ *PCI_MEMR = data & 0xfb;
+}
+
+static void EEDI(int level)
+{
+ unsigned char data = *PCI_MEMR;
+
+ if (level)
+ *PCI_MEMR = data | 0x02;
+ else
+ *PCI_MEMR = data & 0xfd;
+}
+
+static inline void sh7785lcr_bitset(unsigned short bit)
+{
+ if (bit)
+ EEDI(HIGH);
+ else
+ EEDI(LOW);
+
+ EECLK(LOW);
+ mac_delay(TIME1);
+ EECLK(HIGH);
+ mac_delay(TIME1);
+ EEDI(LOW);
+}
+
+static inline unsigned char sh7785lcr_bitget(void)
+{
+ unsigned char bit;
+
+ EECLK(LOW);
+ mac_delay(TIME1);
+ bit = *PCI_MEMR & 0x01;
+ EECLK(HIGH);
+ mac_delay(TIME1);
+
+ return bit;
+}
+
+static inline void sh7785lcr_setcmd(unsigned char command)
+{
+ sh7785lcr_bitset(BIT_DUMMY);
+ switch (command) {
+ case MAC_EEP_READ:
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(0);
+ break;
+ case MAC_EEP_WRITE:
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(0);
+ sh7785lcr_bitset(1);
+ break;
+ case MAC_EEP_ERACE:
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(1);
+ break;
+ case MAC_EEP_EWEN:
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(0);
+ sh7785lcr_bitset(0);
+ break;
+ case MAC_EEP_EWDS:
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(0);
+ sh7785lcr_bitset(0);
+ break;
+ default:
+ break;
+ }
+}
+
+static inline unsigned short sh7785lcr_getdt(void)
+{
+ unsigned short data = 0;
+ int i;
+
+ sh7785lcr_bitget(); /* DUMMY */
+ for (i = 0 ; i < 16 ; i++) {
+ data <<= 1;
+ data |= sh7785lcr_bitget();
+ }
+ return data;
+}
+
+static inline void sh7785lcr_setadd(unsigned short address)
+{
+ sh7785lcr_bitset(address & 0x0020); /* A5 */
+ sh7785lcr_bitset(address & 0x0010); /* A4 */
+ sh7785lcr_bitset(address & 0x0008); /* A3 */
+ sh7785lcr_bitset(address & 0x0004); /* A2 */
+ sh7785lcr_bitset(address & 0x0002); /* A1 */
+ sh7785lcr_bitset(address & 0x0001); /* A0 */
+}
+
+static inline void sh7785lcr_setdata(unsigned short data)
+{
+ sh7785lcr_bitset(data & 0x8000);
+ sh7785lcr_bitset(data & 0x4000);
+ sh7785lcr_bitset(data & 0x2000);
+ sh7785lcr_bitset(data & 0x1000);
+ sh7785lcr_bitset(data & 0x0800);
+ sh7785lcr_bitset(data & 0x0400);
+ sh7785lcr_bitset(data & 0x0200);
+ sh7785lcr_bitset(data & 0x0100);
+ sh7785lcr_bitset(data & 0x0080);
+ sh7785lcr_bitset(data & 0x0040);
+ sh7785lcr_bitset(data & 0x0020);
+ sh7785lcr_bitset(data & 0x0010);
+ sh7785lcr_bitset(data & 0x0008);
+ sh7785lcr_bitset(data & 0x0004);
+ sh7785lcr_bitset(data & 0x0002);
+ sh7785lcr_bitset(data & 0x0001);
+}
+
+static void sh7785lcr_datawrite(const unsigned short *data, unsigned short address,
+ unsigned int count)
+{
+ unsigned int i;
+
+ for (i = 0; i < count; i++) {
+ EECS(HIGH);
+ EEDI(LOW);
+ mac_delay(TIME1);
+
+ sh7785lcr_setcmd(MAC_EEP_WRITE);
+ sh7785lcr_setadd(address++);
+ sh7785lcr_setdata(*(data + i));
+
+ EECLK(LOW);
+ EEDI(LOW);
+ EECS(LOW);
+ mac_delay(TIME2);
+ }
+}
+
+static void sh7785lcr_macerase(void)
+{
+ unsigned int i;
+ unsigned short pci_address = 7;
+
+ for (i = 0; i < 3; i++) {
+ EECS(HIGH);
+ EEDI(LOW);
+ mac_delay(TIME1);
+ sh7785lcr_setcmd(MAC_EEP_ERACE);
+ sh7785lcr_setadd(pci_address++);
+ mac_delay(TIME1);
+ EECLK(LOW);
+ EEDI(LOW);
+ EECS(LOW);
+ }
+
+ mac_delay(TIME2);
+
+ printf("\n\nErace End\n");
+ for (i = 0; i < 10; i++)
+ mac_delay(TIME2);
+}
+
+static void sh7785lcr_macwrite(unsigned short *data)
+{
+ sh7785lcr_macerase();
+
+ sh7785lcr_datawrite(EEPROM_W_Data_8169_A, 0x0000, 7);
+ sh7785lcr_datawrite(data, PCI_EEP_ADDRESS, PCI_MAC_ADDRESS_SIZE);
+ sh7785lcr_datawrite(EEPROM_W_Data_8169_B, 0x000a, 54);
+}
+
+void sh7785lcr_macdtrd(unsigned char *buf, unsigned short address, unsigned int count)
+{
+ unsigned int i;
+ unsigned short wk;
+
+ for (i = 0 ; i < count; i++) {
+ EECS(HIGH);
+ EEDI(LOW);
+ mac_delay(TIME1);
+ sh7785lcr_setcmd(MAC_EEP_READ);
+ sh7785lcr_setadd(address++);
+ wk = sh7785lcr_getdt();
+
+ *buf++ = (unsigned char)(wk & 0xff);
+ *buf++ = (unsigned char)((wk >> 8) & 0xff);
+ EECLK(LOW);
+ EEDI(LOW);
+ EECS(LOW);
+ }
+}
+
+static void sh7785lcr_macadrd(unsigned char *buf)
+{
+ *PCI_MEMR = PCI_PROG;
+
+ sh7785lcr_macdtrd(buf, PCI_EEP_ADDRESS, PCI_MAC_ADDRESS_SIZE);
+}
+
+static void sh7785lcr_eepewen(void)
+{
+ *PCI_MEMR = PCI_PROG;
+ mac_delay(TIME1);
+ EECS(LOW);
+ EECLK(LOW);
+ EEDI(LOW);
+ EECS(HIGH);
+ mac_delay(TIME1);
+
+ sh7785lcr_setcmd(MAC_EEP_EWEN);
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(1);
+ sh7785lcr_bitset(BIT_DUMMY);
+ sh7785lcr_bitset(BIT_DUMMY);
+ sh7785lcr_bitset(BIT_DUMMY);
+ sh7785lcr_bitset(BIT_DUMMY);
+
+ EECLK(LOW);
+ EEDI(LOW);
+ EECS(LOW);
+ mac_delay(TIME1);
+}
+
+void mac_write(unsigned short *data)
+{
+ mac_pci_setup();
+ sh7785lcr_eepewen();
+ sh7785lcr_macwrite(data);
+}
+
+void mac_read(void)
+{
+ unsigned char data[6];
+
+ mac_pci_setup();
+ sh7785lcr_macadrd(data);
+ printf("Mac = %02x:%02x:%02x:%02x:%02x:%02x\n",
+ data[0], data[1], data[2], data[3], data[4], data[5]);
+}
+
+int do_set_mac(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int i;
+ unsigned char mac[6];
+ char *s, *e;
+
+ if (argc != 2) {
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ s = argv[1];
+
+ for (i = 0; i < 6; i++) {
+ mac[i] = s ? simple_strtoul(s, &e, 16) : 0;
+ if (s)
+ s = (*e) ? e + 1 : e;
+ }
+ mac_write((unsigned short *)mac);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ setmac, 2, 1, do_set_mac,
+ "setmac - write MAC address for RTL8110SCL\n",
+ "\n"
+ "setmac <mac address> - write MAC address for RTL8110SCL\n"
+);
+
+int do_print_mac(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ if (argc != 1) {
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ mac_read();
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ printmac, 1, 1, do_print_mac,
+ "printmac - print MAC address for RTL8110\n",
+ "\n"
+ " - print MAC address for RTL8110\n"
+);
+