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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/board/r360mpi
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
downloadbootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip
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added boot script files to repository
Diffstat (limited to 'u-boot/board/r360mpi')
-rw-r--r--u-boot/board/r360mpi/Makefile44
-rw-r--r--u-boot/board/r360mpi/flash.c484
-rw-r--r--u-boot/board/r360mpi/pcmcia.c236
-rw-r--r--u-boot/board/r360mpi/r360mpi.c419
-rw-r--r--u-boot/board/r360mpi/u-boot.lds102
5 files changed, 1285 insertions, 0 deletions
diff --git a/u-boot/board/r360mpi/Makefile b/u-boot/board/r360mpi/Makefile
new file mode 100644
index 0000000..4072ef7
--- /dev/null
+++ b/u-boot/board/r360mpi/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS = $(BOARD).o flash.o pcmcia.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/board/r360mpi/flash.c b/u-boot/board/r360mpi/flash.c
new file mode 100644
index 0000000..45cccf7
--- /dev/null
+++ b/u-boot/board/r360mpi/flash.c
@@ -0,0 +1,484 @@
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@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
+ */
+
+/* #define DEBUG */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+#if defined(CONFIG_ENV_IS_IN_FLASH)
+# ifndef CONFIG_ENV_ADDR
+# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
+# endif
+# ifndef CONFIG_ENV_SIZE
+# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
+# endif
+# ifndef CONFIG_ENV_SECT_SIZE
+# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
+# endif
+#endif
+
+/*-----------------------------------------------------------------------
+ * Protection Flags:
+ */
+#define FLAG_PROTECT_SET 0x01
+#define FLAG_PROTECT_CLEAR 0x02
+
+/* Board support for 1 or 2 flash devices */
+#undef FLASH_PORT_WIDTH32
+#define FLASH_PORT_WIDTH16
+
+#ifdef FLASH_PORT_WIDTH16
+#define FLASH_PORT_WIDTH ushort
+#define FLASH_PORT_WIDTHV vu_short
+#else
+#define FLASH_PORT_WIDTH ulong
+#define FLASH_PORT_WIDTHV vu_long
+#endif
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (FPW * addr, flash_info_t * info);
+static int write_data (flash_info_t * info, ulong dest, FPW data);
+static void flash_get_offsets (ulong base, flash_info_t * info);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ unsigned long size_b0;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* Static FLASH Bank configuration here - FIXME XXX */
+ size_b0 = flash_get_size ((FPW *) FLASH_BASE0_PRELIM, &flash_info[0]);
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size_b0, size_b0 << 20);
+ }
+
+ /* Remap FLASH according to real size */
+ memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b0 & 0xFFFF8000);
+ memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_MS_GPCM | BR_V;
+
+ /* Re-do sizing to get full correct info */
+ size_b0 = flash_get_size ((FPW *) CONFIG_SYS_FLASH_BASE, &flash_info[0]);
+
+ flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]);
+
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
+ /* monitor protection ON by default */
+ (void) flash_protect (FLAG_PROTECT_SET,
+ CONFIG_SYS_FLASH_BASE,
+ CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1,
+ &flash_info[0]);
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
+ &flash_info[0]);
+#endif
+
+ flash_info[0].size = size_b0;
+
+ return (size_b0);
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base + (i * 0x00020000);
+ }
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_INTEL:
+ printf ("INTEL ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F320J3A:
+ printf ("28F320J3A\n");
+ break;
+ case FLASH_28F640J3A:
+ printf ("28F640J3A\n");
+ break;
+ case FLASH_28F128J3A:
+ printf ("28F128J3A\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+ printf ("\n");
+ return;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+static ulong flash_get_size (FPW * addr, flash_info_t * info)
+{
+ FPW value;
+
+ /* Make sure Block Lock Bits get cleared */
+ addr[0] = (FPW) 0x00FF00FF;
+ addr[0] = (FPW) 0x00600060;
+ addr[0] = (FPW) 0x00D000D0;
+ addr[0] = (FPW) 0x00FF00FF;
+
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x5555] = (FPW) 0x00AA00AA;
+ addr[0x2AAA] = (FPW) 0x00550055;
+ addr[0x5555] = (FPW) 0x00900090;
+
+ value = addr[0];
+
+ debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value);
+
+ switch (value) {
+ case (FPW) INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr[1]; /* device ID */
+
+ debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value);
+
+ switch (value) {
+ case (FPW) INTEL_ID_28F320J3A:
+ info->flash_id += FLASH_28F320J3A;
+ info->sector_count = 32;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
+ case (FPW) INTEL_ID_28F640J3A:
+ info->flash_id += FLASH_28F640J3A;
+ info->sector_count = 64;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
+
+ case (FPW) INTEL_ID_28F128J3A:
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = 128;
+ info->size = 0x01000000;
+ break; /* => 16 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
+ info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
+ }
+
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ int flag, prot, sect;
+ ulong type, start, now, last;
+ int rcode = 0;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ type = (info->flash_id & FLASH_VENDMASK);
+ if ((type != FLASH_MAN_INTEL)) {
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ start = get_timer (0);
+ last = start;
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ FPWV *addr = (FPWV *) (info->start[sect]);
+ FPW status;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ *addr = (FPW) 0x00500050; /* clear status register */
+ *addr = (FPW) 0x00200020; /* erase setup */
+ *addr = (FPW) 0x00D000D0; /* erase confirm */
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if ((now = get_timer (start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ *addr = (FPW) 0x00B000B0; /* suspend erase */
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
+ rcode = 1;
+ break;
+ }
+
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
+ }
+
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
+ }
+ }
+ printf (" done\n");
+ return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ * 4 - Flash not identified
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong cp, wp;
+ FPW data;
+
+ int i, l, rc, port_width;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return 4;
+ }
+/* get lower word aligned address */
+#ifdef FLASH_PORT_WIDTH16
+ wp = (addr & ~1);
+ port_width = 2;
+#else
+ wp = (addr & ~3);
+ port_width = 4;
+#endif
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i = 0, cp = wp; i < l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+ for (; i < port_width && cnt > 0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt == 0 && i < port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ if ((rc = write_data (info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += port_width;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= port_width) {
+ data = 0;
+ for (i = 0; i < port_width; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_data (info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += port_width;
+ cnt -= port_width;
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i < port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ return (write_data (info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word or halfword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_data (flash_info_t * info, ulong dest, FPW data)
+{
+ FPWV *addr = (FPWV *) dest;
+ ulong status;
+ ulong start;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*addr & data) != data) {
+ printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr);
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ *addr = (FPW) 0x00400040; /* write setup */
+ *addr = data;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ start = get_timer (0);
+
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ return (1);
+ }
+ }
+
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (0);
+}
diff --git a/u-boot/board/r360mpi/pcmcia.c b/u-boot/board/r360mpi/pcmcia.c
new file mode 100644
index 0000000..85da41b
--- /dev/null
+++ b/u-boot/board/r360mpi/pcmcia.c
@@ -0,0 +1,236 @@
+#include <common.h>
+#include <mpc8xx.h>
+#include <pcmcia.h>
+
+#undef CONFIG_PCMCIA
+
+#if defined(CONFIG_CMD_PCMCIA)
+#define CONFIG_PCMCIA
+#endif
+
+#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
+#define CONFIG_PCMCIA
+#endif
+
+#ifdef CONFIG_PCMCIA
+
+#define PCMCIA_BOARD_MSG "R360MPI"
+
+int pcmcia_hardware_enable(int slot)
+{
+ volatile immap_t *immap;
+ volatile cpm8xx_t *cp;
+ volatile pcmconf8xx_t *pcmp;
+ volatile sysconf8xx_t *sysp;
+ uint reg, mask;
+
+ debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
+
+ udelay(10000);
+
+ immap = (immap_t *)CONFIG_SYS_IMMR;
+ sysp = (sysconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_siu_conf));
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
+ cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_cpm));
+
+ /*
+ * Configure SIUMCR to enable PCMCIA port B
+ * (VFLS[0:1] are not used for debugging, we connect FRZ# instead)
+ */
+ sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */
+
+ /* clear interrupt state, and disable interrupts */
+ pcmp->pcmc_pscr = PCMCIA_MASK(_slot_);
+ pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_);
+
+ /*
+ * Disable interrupts, DMA, and PCMCIA buffers
+ * (isolate the interface) and assert RESET signal
+ */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = 0;
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(_slot_) = reg;
+ udelay(500);
+
+ /*
+ * Configure Ports A, B & C pins for
+ * 5 Volts Enable and 3 Volts enable
+ */
+ immap->im_ioport.iop_pcpar &= ~(0x0400);
+ immap->im_ioport.iop_pcso &= ~(0x0400);/*
+ immap->im_ioport.iop_pcdir |= 0x0400;*/
+
+ immap->im_ioport.iop_papar &= ~(0x0200);/*
+ immap->im_ioport.iop_padir |= 0x0200;*/
+#if 0
+ immap->im_ioport.iop_pbpar &= ~(0xC000);
+ immap->im_ioport.iop_pbdir &= ~(0xC000);
+#endif
+ /* remove all power */
+
+ immap->im_ioport.iop_pcdat |= 0x0400;
+ immap->im_ioport.iop_padat |= 0x0200;
+
+ /*
+ * Make sure there is a card in the slot, then configure the interface.
+ */
+ udelay(10000);
+ debug ("[%d] %s: PIPR(%p)=0x%x\n",
+ __LINE__,__FUNCTION__,
+ &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);
+ if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) {
+ printf (" No Card found\n");
+ return (1);
+ }
+
+ /*
+ * Power On.
+ */
+ mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot);
+ reg = pcmp->pcmc_pipr;
+ debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n",
+ reg,
+ (reg&PCMCIA_VS1(slot))?"n":"ff",
+ (reg&PCMCIA_VS2(slot))?"n":"ff");
+ if ((reg & mask) == mask) {
+ immap->im_ioport.iop_pcdat &= ~(0x4000);
+ puts (" 5.0V card found: ");
+ } else {
+ immap->im_ioport.iop_padat &= ~(0x0002);
+ puts (" 3.3V card found: ");
+ }
+ immap->im_ioport.iop_pcdir |= 0x0400;
+ immap->im_ioport.iop_padir |= 0x0200;
+#if 0
+ /* VCC switch error flag, PCMCIA slot INPACK_ pin */
+ cp->cp_pbdir &= ~(0x0020 | 0x0010);
+ cp->cp_pbpar &= ~(0x0020 | 0x0010);
+ udelay(500000);
+#endif
+ debug ("Enable PCMCIA buffers and stop RESET\n");
+ reg = PCMCIA_PGCRX(_slot_);
+ reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(_slot_) = reg;
+
+ udelay(250000); /* some cards need >150 ms to come up :-( */
+
+ debug ("# hardware_enable done\n");
+
+ return (0);
+}
+
+
+#if defined(CONFIG_CMD_PCMCIA)
+int pcmcia_hardware_disable(int slot)
+{
+ volatile immap_t *immap;
+ volatile pcmconf8xx_t *pcmp;
+ u_long reg;
+
+ debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
+
+ immap = (immap_t *)CONFIG_SYS_IMMR;
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
+
+ /* remove all power */
+ immap->im_ioport.iop_pcdat |= 0x0400;
+ immap->im_ioport.iop_padat |= 0x0200;
+
+ /* Configure PCMCIA General Control Register */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = 0;
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(_slot_) = reg;
+
+ udelay(10000);
+
+ return (0);
+}
+#endif
+
+
+int pcmcia_voltage_set(int slot, int vcc, int vpp)
+{
+ volatile immap_t *immap;
+ volatile pcmconf8xx_t *pcmp;
+ u_long reg;
+
+ debug ("voltage_set: "
+ PCMCIA_BOARD_MSG
+ " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",
+ 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10);
+
+ immap = (immap_t *)CONFIG_SYS_IMMR;
+ pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
+ /*
+ * Disable PCMCIA buffers (isolate the interface)
+ * and assert RESET signal
+ */
+ debug ("Disable PCMCIA buffers and assert RESET\n");
+ reg = PCMCIA_PGCRX(_slot_);
+ reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(_slot_) = reg;
+ udelay(500);
+
+ /*
+ * Configure Ports A & C pins for
+ * 5 Volts Enable and 3 Volts enable,
+ * Turn off all power
+ */
+ debug ("PCMCIA power OFF\n");
+ immap->im_ioport.iop_pcpar &= ~(0x0400);
+ immap->im_ioport.iop_pcso &= ~(0x0400);/*
+ immap->im_ioport.iop_pcdir |= 0x0400;*/
+
+ immap->im_ioport.iop_papar &= ~(0x0200);/*
+ immap->im_ioport.iop_padir |= 0x0200;*/
+
+ immap->im_ioport.iop_pcdat |= 0x0400;
+ immap->im_ioport.iop_padat |= 0x0200;
+
+ reg = 0;
+ switch(vcc) {
+ case 0: break;
+ case 33: reg |= 0x0200; break;
+ case 50: reg |= 0x0400; break;
+ default: goto done;
+ }
+
+ /* Checking supported voltages */
+
+ debug ("PIPR: 0x%x --> %s\n",
+ pcmp->pcmc_pipr,
+ (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V");
+
+ if (reg & 0x0200)
+ immap->im_ioport.iop_pcdat &= !reg;
+ if (reg & 0x0400)
+ immap->im_ioport.iop_padat &= !reg;
+ immap->im_ioport.iop_pcdir |= 0x0200;
+ immap->im_ioport.iop_padir |= 0x0400;
+ if (reg) {
+ debug ("PCMCIA powered at %sV\n",
+ (reg&0x0400) ? "5.0" : "3.3");
+ } else {
+ debug ("PCMCIA powered down\n");
+ }
+
+done:
+ debug ("Enable PCMCIA buffers and stop RESET\n");
+ reg = PCMCIA_PGCRX(_slot_);
+ reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
+ reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
+ PCMCIA_PGCRX(_slot_) = reg;
+ udelay(500);
+
+ debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n",
+ slot+'A');
+ return (0);
+}
+
+#endif /* CCONFIG_PCMCIA */
diff --git a/u-boot/board/r360mpi/r360mpi.c b/u-boot/board/r360mpi/r360mpi.c
new file mode 100644
index 0000000..b5315ad
--- /dev/null
+++ b/u-boot/board/r360mpi/r360mpi.c
@@ -0,0 +1,419 @@
+/*
+ * (C) Copyright 2001-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@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 <config.h>
+#include <mpc8xx.h>
+#include <i2c.h>
+
+#include <commproc.h>
+#include <command.h>
+#include <malloc.h>
+
+#include <linux/types.h>
+#include <linux/string.h> /* for strdup */
+
+
+/*
+ * Memory Controller Using
+ *
+ * CS0 - Flash memory (0x40000000)
+ * CS1 - FLASH memory (0x????????)
+ * CS2 - SDRAM (0x00000000)
+ * CS3 -
+ * CS4 -
+ * CS5 -
+ * CS6 - PCMCIA device
+ * CS7 - PCMCIA device
+ */
+
+/* ------------------------------------------------------------------------- */
+
+#define _not_used_ 0xffffffff
+
+const uint sdram_table[]=
+{
+ /* single read. (offset 0 in upm RAM) */
+ 0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00,
+ 0x1ff77c47,
+
+ /* MRS initialization (offset 5) */
+
+ 0x1ff77c34, 0xefeabc34, 0x1fb57c35,
+
+ /* burst read. (offset 8 in upm RAM) */
+ 0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00,
+ 0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47,
+ _not_used_, _not_used_, _not_used_, _not_used_,
+ _not_used_, _not_used_, _not_used_, _not_used_,
+
+ /* single write. (offset 18 in upm RAM) */
+ 0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47,
+ _not_used_, _not_used_, _not_used_, _not_used_,
+
+ /* burst write. (offset 20 in upm RAM) */
+ 0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
+ 0xf0affc00, 0xe1bbbc04, 0x1ff77c47, _not_used_,
+ _not_used_, _not_used_, _not_used_, _not_used_,
+ _not_used_, _not_used_, _not_used_, _not_used_,
+
+ /* refresh. (offset 30 in upm RAM) */
+ 0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+ 0xfffffc84, 0xfffffc07, _not_used_, _not_used_,
+ _not_used_, _not_used_, _not_used_, _not_used_,
+
+ /* exception. (offset 3c in upm RAM) */
+ 0x7ffffc07, _not_used_, _not_used_, _not_used_ };
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ puts ("Board: R360 MPI Board\n");
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+
+/* ------------------------------------------------------------------------- */
+
+phys_size_t initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ long int size8, size9;
+ long int size_b0 = 0;
+ unsigned long reg;
+
+ upmconfig (UPMA, (uint *) sdram_table,
+ sizeof (sdram_table) / sizeof (uint));
+
+ /*
+ * Preliminary prescaler for refresh (depends on number of
+ * banks): This value is selected for four cycles every 62.4 us
+ * with two SDRAM banks or four cycles every 31.2 us with one
+ * bank. It will be adjusted after memory sizing.
+ */
+ memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_8K;
+
+ memctl->memc_mar = 0x00000088;
+
+ /*
+ * Map controller bank 2 to the SDRAM bank at
+ * preliminary address - these have to be modified after the
+ * SDRAM size has been determined.
+ */
+ memctl->memc_or2 = CONFIG_SYS_OR2_PRELIM;
+ memctl->memc_br2 = CONFIG_SYS_BR2_PRELIM;
+
+ memctl->memc_mamr = CONFIG_SYS_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
+
+ udelay (200);
+
+ /* perform SDRAM initializsation sequence */
+
+ memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */
+ udelay (200);
+ memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */
+ udelay (200);
+
+ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
+
+ udelay (1000);
+
+ /*
+ * Check Bank 2 Memory Size for re-configuration
+ *
+ * try 8 column mode
+ */
+ size8 = dram_size (CONFIG_SYS_MAMR_8COL, (long *) SDRAM_BASE2_PRELIM,
+ SDRAM_MAX_SIZE);
+
+ udelay (1000);
+
+ /*
+ * try 9 column mode
+ */
+ size9 = dram_size (CONFIG_SYS_MAMR_9COL, (long *) SDRAM_BASE2_PRELIM,
+ SDRAM_MAX_SIZE);
+
+ if (size8 < size9) { /* leave configuration at 9 columns */
+ size_b0 = size9;
+/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */
+ } else { /* back to 8 columns */
+ size_b0 = size8;
+ memctl->memc_mamr = CONFIG_SYS_MAMR_8COL;
+ udelay (500);
+/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */
+ }
+
+ udelay (1000);
+
+ /*
+ * Adjust refresh rate depending on SDRAM type, both banks
+ * For types > 128 MBit leave it at the current (fast) rate
+ */
+ if ((size_b0 < 0x02000000)) {
+ /* reduce to 15.6 us (62.4 us / quad) */
+ memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K;
+ udelay (1000);
+ }
+
+ /*
+ * Final mapping
+ */
+
+ memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
+ memctl->memc_br1 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
+
+ /* adjust refresh rate depending on SDRAM type, one bank */
+ reg = memctl->memc_mptpr;
+ reg >>= 1; /* reduce to CONFIG_SYS_MPTPR_1BK_8K / _4K */
+ memctl->memc_mptpr = reg;
+
+ udelay (10000);
+
+#ifdef CONFIG_CAN_DRIVER
+ /* Initialize OR3 / BR3 */
+ memctl->memc_or3 = CONFIG_SYS_OR3_CAN; /* switch GPLB_5 to GPLA_5 */
+ memctl->memc_br3 = CONFIG_SYS_BR3_CAN;
+
+ /* Initialize MBMR */
+ memctl->memc_mbmr = MBMR_GPL_B4DIS; /* GPL_B4 works as UPWAITB */
+
+ /* Initialize UPMB for CAN: single read */
+ memctl->memc_mdr = 0xFFFFC004;
+ memctl->memc_mcr = 0x0100 | UPMB;
+
+ memctl->memc_mdr = 0x0FFFD004;
+ memctl->memc_mcr = 0x0101 | UPMB;
+
+ memctl->memc_mdr = 0x0FFFC000;
+ memctl->memc_mcr = 0x0102 | UPMB;
+
+ memctl->memc_mdr = 0x3FFFC004;
+ memctl->memc_mcr = 0x0103 | UPMB;
+
+ memctl->memc_mdr = 0xFFFFDC05;
+ memctl->memc_mcr = 0x0104 | UPMB;
+
+ /* Initialize UPMB for CAN: single write */
+ memctl->memc_mdr = 0xFFFCC004;
+ memctl->memc_mcr = 0x0118 | UPMB;
+
+ memctl->memc_mdr = 0xCFFCD004;
+ memctl->memc_mcr = 0x0119 | UPMB;
+
+ memctl->memc_mdr = 0x0FFCC000;
+ memctl->memc_mcr = 0x011A | UPMB;
+
+ memctl->memc_mdr = 0x7FFCC004;
+ memctl->memc_mcr = 0x011B | UPMB;
+
+ memctl->memc_mdr = 0xFFFDCC05;
+ memctl->memc_mcr = 0x011C | UPMB;
+#endif
+
+ return (size_b0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+
+static long int dram_size (long int mamr_value,
+ long int *base, long int maxsize)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+ memctl->memc_mamr = mamr_value;
+
+ return (get_ram_size(base, maxsize));
+}
+
+/* ------------------------------------------------------------------------- */
+
+void r360_i2c_lcd_write (uchar data0, uchar data1)
+{
+ if (i2c_write (CONFIG_SYS_I2C_LCD_ADDR, data0, 1, &data1, 1)) {
+ printf("Can't write lcd data 0x%02X 0x%02X.\n", data0, data1);
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*-----------------------------------------------------------------------
+ * Keyboard Controller
+ */
+
+/* Number of bytes returned from Keyboard Controller */
+#define KEYBD_KEY_MAX 16 /* maximum key number */
+#define KEYBD_DATALEN ((KEYBD_KEY_MAX + 7) / 8) /* normal key scan data */
+
+static uchar *key_match (uchar *);
+
+int misc_init_r (void)
+{
+ char kbd_data[KEYBD_DATALEN];
+ char keybd_env[2 * KEYBD_DATALEN + 1];
+ char *str;
+ int i;
+
+ i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+ i2c_read (CONFIG_SYS_I2C_KEY_ADDR, 0, 0, (uchar *)kbd_data, KEYBD_DATALEN);
+
+ for (i = 0; i < KEYBD_DATALEN; ++i) {
+ sprintf (keybd_env + i + i, "%02X", kbd_data[i]);
+ }
+ setenv ("keybd", keybd_env);
+
+ str = strdup ((char *)key_match ((uchar *)keybd_env)); /* decode keys */
+
+#ifdef CONFIG_PREBOOT /* automatically configure "preboot" command on key match */
+ setenv ("preboot", str); /* set or delete definition */
+#endif /* CONFIG_PREBOOT */
+ if (str != NULL) {
+ free (str);
+ }
+
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ * Check if pressed key(s) match magic sequence,
+ * and return the command string associated with that key(s).
+ *
+ * If no key press was decoded, NULL is returned.
+ *
+ * Note: the first character of the argument will be overwritten with
+ * the "magic charcter code" of the decoded key(s), or '\0'.
+ *
+ *
+ * Note: the string points to static environment data and must be
+ * saved before you call any function that modifies the environment.
+ */
+#ifdef CONFIG_PREBOOT
+
+static uchar kbd_magic_prefix[] = "key_magic";
+static uchar kbd_command_prefix[] = "key_cmd";
+
+static uchar *key_match (uchar * kbd_str)
+{
+ uchar magic[sizeof (kbd_magic_prefix) + 1];
+ uchar cmd_name[sizeof (kbd_command_prefix) + 1];
+ uchar *str, *suffix;
+ uchar *kbd_magic_keys;
+ char *cmd;
+
+ /*
+ * The following string defines the characters that can pe appended
+ * to "key_magic" to form the names of environment variables that
+ * hold "magic" key codes, i. e. such key codes that can cause
+ * pre-boot actions. If the string is empty (""), then only
+ * "key_magic" is checked (old behaviour); the string "125" causes
+ * checks for "key_magic1", "key_magic2" and "key_magic5", etc.
+ */
+ if ((kbd_magic_keys = (uchar *)getenv ("magic_keys")) != NULL) {
+ /* loop over all magic keys;
+ * use '\0' suffix in case of empty string
+ */
+ for (suffix = kbd_magic_keys;
+ *suffix || suffix == kbd_magic_keys;
+ ++suffix) {
+ sprintf ((char *)magic, "%s%c", kbd_magic_prefix, *suffix);
+
+#if 0
+ printf ("### Check magic \"%s\"\n", magic);
+#endif
+
+ if ((str = (uchar *)getenv ((char *)magic)) != 0) {
+
+#if 0
+ printf ("### Compare \"%s\" \"%s\"\n",
+ kbd_str, str);
+#endif
+ if (strcmp ((char *)kbd_str, (char *)str) == 0) {
+ sprintf ((char *)cmd_name, "%s%c",
+ kbd_command_prefix,
+ *suffix);
+
+ if ((cmd = getenv ((char *)cmd_name)) != 0) {
+#if 0
+ printf ("### Set PREBOOT to $(%s): \"%s\"\n",
+ cmd_name, cmd);
+#endif
+ return ((uchar *)cmd);
+ }
+ }
+ }
+ }
+ }
+#if 0
+ printf ("### Delete PREBOOT\n");
+#endif
+ *kbd_str = '\0';
+ return (NULL);
+}
+#endif /* CONFIG_PREBOOT */
+
+/* Read Keyboard status */
+int do_kbd (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+{
+ uchar kbd_data[KEYBD_DATALEN];
+ uchar keybd_env[2 * KEYBD_DATALEN + 1];
+ int i;
+
+ i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+ /* Read keys */
+ i2c_read (CONFIG_SYS_I2C_KEY_ADDR, 0, 0, kbd_data, KEYBD_DATALEN);
+
+ puts ("Keys:");
+ for (i = 0; i < KEYBD_DATALEN; ++i) {
+ sprintf ((char *)(keybd_env + i + i), "%02X", kbd_data[i]);
+ printf (" %02x", kbd_data[i]);
+ }
+ putc ('\n');
+ setenv ("keybd", (char *)keybd_env);
+ return 0;
+}
+
+U_BOOT_CMD(
+ kbd, 1, 1, do_kbd,
+ "read keyboard status",
+ ""
+);
diff --git a/u-boot/board/r360mpi/u-boot.lds b/u-boot/board/r360mpi/u-boot.lds
new file mode 100644
index 0000000..a18c515
--- /dev/null
+++ b/u-boot/board/r360mpi/u-boot.lds
@@ -0,0 +1,102 @@
+/*
+ * (C) Copyright 2000-2010
+ * Wolfgang Denk, DENX Software Engineering, wd@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
+ */
+
+OUTPUT_ARCH(powerpc)
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+ arch/powerpc/cpu/mpc8xx/start.o (.text*)
+ arch/powerpc/cpu/mpc8xx/traps.o (.text*)
+
+ *(.text*)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+ }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ KEEP(*(.got))
+ _GOT2_TABLE_ = .;
+ KEEP(*(.got2))
+ _FIXUP_TABLE_ = .;
+ KEEP(*(.fixup))
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data*)
+ *(.sdata*)
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss (NOLOAD) :
+ {
+ *(.bss*)
+ *(.sbss*)
+ *(COMMON)
+ . = ALIGN(4);
+ }
+ _end = . ;
+ PROVIDE (end = .);
+ . = ALIGN(128 * 1024);
+ .ppcenv :
+ {
+ common/env_embedded.o (.ppcenv)
+ }
+}