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-rw-r--r--board/ads5121/ads5121.c120
-rw-r--r--board/ads5121/ads5121_diu.c32
-rw-r--r--common/cmd_ide.c4
-rw-r--r--cpu/mpc512x/Makefile3
-rw-r--r--cpu/mpc512x/iim.c394
-rw-r--r--cpu/ppc4xx/4xx_pci.c5
-rw-r--r--cpu/ppc4xx/4xx_pcie.c2
-rw-r--r--cpu/ppc4xx/fdt.c24
-rw-r--r--drivers/mtd/cfi_flash.c53
-rw-r--r--drivers/mtd/jedec_flash.c16
-rw-r--r--include/asm-ppc/immap_512x.h49
-rw-r--r--include/configs/ads5121.h59
-rw-r--r--include/flash.h2
-rw-r--r--include/mpc512x.h25
14 files changed, 738 insertions, 50 deletions
diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c
index 0610928..6c40e94 100644
--- a/board/ads5121/ads5121.c
+++ b/board/ads5121/ads5121.c
@@ -31,6 +31,8 @@
#include <i2c.h>
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
/* Clocks in use */
#define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \
CLOCK_SCCR1_LPC_EN | \
@@ -38,6 +40,7 @@
CLOCK_SCCR1_PSCFIFO_EN | \
CLOCK_SCCR1_DDR_EN | \
CLOCK_SCCR1_FEC_EN | \
+ CLOCK_SCCR1_PATA_EN | \
CLOCK_SCCR1_PCI_EN | \
CLOCK_SCCR1_TPR_EN)
@@ -101,6 +104,9 @@ int board_early_init_f (void)
*/
im->clk.sccr[0] = SCCR1_CLOCKS_EN;
im->clk.sccr[1] = SCCR2_CLOCKS_EN;
+#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
+ im->clk.sccr[1] |= CLOCK_SCCR2_IIM_EN;
+#endif
return 0;
}
@@ -290,17 +296,28 @@ static iopin_t ioregs_init[] = {
}
};
+static iopin_t rev2_silicon_pci_ioregs_init[] = {
+ /* FUNC0=PCI Sets next 54 to PCI pads */
+ {
+ IOCTL_PCI_AD31, 54, 0,
+ IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_DS(0)
+ }
+};
+
int checkboard (void)
{
ushort brd_rev = *(vu_short *) (CONFIG_SYS_CPLD_BASE + 0x00);
uchar cpld_rev = *(vu_char *) (CONFIG_SYS_CPLD_BASE + 0x02);
+ volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
brd_rev, cpld_rev);
/* initialize function mux & slew rate IO inter alia on IO Pins */
-
iopin_initialize(ioregs_init, sizeof(ioregs_init) / sizeof(ioregs_init[0]));
+ if (SVR_MJREV (im->sysconf.spridr) >= 2) {
+ iopin_initialize(rev2_silicon_pci_ioregs_init, 1);
+ }
return 0;
}
@@ -312,3 +329,104 @@ void ft_board_setup(void *blob, bd_t *bd)
fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
}
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
+
+#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
+
+void init_ide_reset (void)
+{
+ volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+ debug ("init_ide_reset\n");
+
+ /*
+ * Clear the reset bit to reset the interface
+ * cf. RefMan MPC5121EE: 28.4.1 Resetting the ATA Bus
+ */
+ immr->pata.pata_ata_control = 0;
+ udelay(100);
+ /* Assert the reset bit to enable the interface */
+ immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;
+ udelay(100);
+
+}
+
+void ide_set_reset (int idereset)
+{
+ volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+ debug ("ide_set_reset(%d)\n", idereset);
+
+ if (idereset) {
+ immr->pata.pata_ata_control = 0;
+ udelay(100);
+ } else {
+ immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;
+ udelay(100);
+ }
+}
+
+#define CALC_TIMING(t) (t + period - 1) / period
+
+int ide_preinit (void)
+{
+ volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+ long t;
+ const struct {
+ short t0;
+ short t1;
+ short t2_8;
+ short t2_16;
+ short t2i;
+ short t4;
+ short t9;
+ short tA;
+ } pio_specs = {
+ .t0 = 600,
+ .t1 = 70,
+ .t2_8 = 290,
+ .t2_16 = 165,
+ .t2i = 0,
+ .t4 = 30,
+ .t9 = 20,
+ .tA = 50,
+ };
+ union {
+ u32 config;
+ struct {
+ u8 field1;
+ u8 field2;
+ u8 field3;
+ u8 field4;
+ }bytes;
+ }cfg;
+
+ debug ("IDE preinit using PATA peripheral at IMMR-ADDR %08x\n",
+ (u32)&immr->pata);
+
+ /* Set the reset bit to 1 to enable the interface */
+ immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B;
+
+ /* Init timings : we use PIO mode 0 timings */
+ t = 1000000000 / gd->ips_clk; /* period in ns */
+ cfg.bytes.field1 = 3;
+ cfg.bytes.field2 = 3;
+ cfg.bytes.field3 = (pio_specs.t1 + t) / t;
+ cfg.bytes.field4 = (pio_specs.t2_8 + t) / t;
+
+ immr->pata.pata_time1 = cfg.config;
+
+ cfg.bytes.field1 = (pio_specs.t2_8 + t) / t;
+ cfg.bytes.field2 = (pio_specs.tA + t) / t + 2;
+ cfg.bytes.field3 = 1;
+ cfg.bytes.field4 = (pio_specs.t4 + t) / t;
+
+ immr->pata.pata_time2 = cfg.config;
+
+ cfg.config = immr->pata.pata_time3;
+ cfg.bytes.field1 = (pio_specs.t9 + t) / t;
+
+ immr->pata.pata_time3 = cfg.config;
+ debug ("PATA preinit complete.\n");
+
+ return 0;
+}
+
+#endif /* defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET) */
diff --git a/board/ads5121/ads5121_diu.c b/board/ads5121/ads5121_diu.c
index 4f7dda0..41a1353 100644
--- a/board/ads5121/ads5121_diu.c
+++ b/board/ads5121/ads5121_diu.c
@@ -37,7 +37,11 @@
#include <video_fb.h>
#endif
+#ifdef CONFIG_FSL_DIU_LOGO_BMP
extern unsigned int FSL_Logo_BMP[];
+#else
+#define FSL_Logo_BMP NULL
+#endif
static int xres, yres;
@@ -61,16 +65,40 @@ void diu_set_pixel_clock(unsigned int pixclock)
debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *clkdvdr);
}
+char *valid_bmp(char *addr)
+{
+ unsigned long h_addr;
+
+ h_addr = simple_strtoul(addr, NULL, 16);
+ if (h_addr < CONFIG_SYS_FLASH_BASE ||
+ h_addr >= (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE - 1)) {
+ printf("bmp addr %lx is not a valid flash address\n", h_addr);
+ return 0;
+ } else if ((*(char *)(h_addr) != 'B') || (*(char *)(h_addr+1) != 'M')) {
+ printf("bmp addr is not a bmp\n");
+ return 0;
+ } else
+ return (char *)h_addr;
+}
+
int ads5121_diu_init(void)
{
unsigned int pixel_format;
+ char *bmp = NULL;
+ char *bmp_env;
xres = 1024;
yres = 768;
pixel_format = 0x88883316;
- return fsl_diu_init(xres, pixel_format, 0,
- (unsigned char *)FSL_Logo_BMP);
+ debug("ads5121_diu_init\n");
+ bmp_env = getenv("diu_bmp_addr");
+ if (bmp_env) {
+ bmp = valid_bmp(bmp_env);
+ }
+ if (!bmp)
+ bmp = FSL_Logo_BMP;
+ return fsl_diu_init(xres, pixel_format, 0, (unsigned char *)bmp);
}
int ads5121diu_init_show_bmp(cmd_tbl_t *cmdtp,
diff --git a/common/cmd_ide.c b/common/cmd_ide.c
index c9b9a47..8c6ed35 100644
--- a/common/cmd_ide.c
+++ b/common/cmd_ide.c
@@ -45,6 +45,10 @@
#include <mpc5xxx.h>
#endif
+#ifdef CONFIG_MPC512X
+#include <mpc512x.h>
+#endif
+
#include <ide.h>
#include <ata.h>
diff --git a/cpu/mpc512x/Makefile b/cpu/mpc512x/Makefile
index e8f1060..297d135 100644
--- a/cpu/mpc512x/Makefile
+++ b/cpu/mpc512x/Makefile
@@ -26,6 +26,9 @@ LIB = $(obj)lib$(CPU).a
START = start.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o i2c.o iopin.o
+ifdef CONFIG_IIM
+COBJS += iim.o
+endif
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mpc512x/iim.c b/cpu/mpc512x/iim.c
new file mode 100644
index 0000000..6cdc422
--- /dev/null
+++ b/cpu/mpc512x/iim.c
@@ -0,0 +1,394 @@
+/*
+ * Copyright 2008 Silicon Turnkey Express, Inc.
+ * Martha Marx <mmarx@silicontkx.com>
+ *
+ * ADS5121 IIM (Fusebox) Interface
+ *
+ * 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 <command.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_CMD_FUSE
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static char cur_bank = '1';
+
+char *iim_err_msg(u32 err)
+{
+ static char *IIM_errs[] = {
+ "Parity Error in cache",
+ "Explicit Sense Cycle Error",
+ "Write to Locked Register Error",
+ "Read Protect Error",
+ "Override Protect Error",
+ "Write Protect Error"};
+
+ int i;
+
+ if (!err)
+ return "";
+ for (i = 1; i < 8; i++)
+ if (err & (1 << i))
+ printf("IIM - %s\n", IIM_errs[i-1]);
+ return "";
+}
+
+int in_range(int n, int min, int max, char *err, char *usg)
+{
+ if (n > max || n < min) {
+ printf(err);
+ printf("Usage:\n%s\n", usg);
+ return 0;
+ }
+ return 1;
+}
+
+int ads5121_fuse_read(int bank, int fstart, int num)
+{
+ iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
+ u32 *iim_fb, dummy;
+ int f, ctr;
+
+ out_be32(&iim->err, in_be32(&iim->err));
+ if (bank == 0)
+ iim_fb = (u32 *)&(iim->fbac0);
+ else
+ iim_fb = (u32 *)&(iim->fbac1);
+/* try a read to see if Read Protect is set */
+ dummy = in_be32(&iim_fb[0]);
+ if (in_be32(&iim->err) & IIM_ERR_RPE) {
+ printf("\tRead protect fuse is set\n");
+ out_be32(&iim->err, IIM_ERR_RPE);
+ return 0;
+ }
+ printf("Reading Bank %d cache\n", bank);
+ for (f = fstart, ctr = 0; num > 0; ctr++, num--, f++) {
+ if (ctr % 4 == 0)
+ printf("F%2d:", f);
+ printf("\t%#04x", (u8)(iim_fb[f]));
+ if (ctr % 4 == 3)
+ printf("\n");
+ }
+ if (ctr % 4 != 0)
+ printf("\n");
+}
+
+int ads5121_fuse_override(int bank, int f, u8 val)
+{
+ iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
+ u32 *iim_fb;
+ u32 iim_stat;
+ int i;
+
+ out_be32(&iim->err, in_be32(&iim->err));
+ if (bank == 0)
+ iim_fb = (u32 *)&(iim->fbac0);
+ else
+ iim_fb = (u32 *)&(iim->fbac1);
+/* try a read to see if Read Protect is set */
+ iim_stat = in_be32(&iim_fb[0]);
+ if (in_be32(&iim->err) & IIM_ERR_RPE) {
+ printf("Read protect fuse is set on bank %d;"
+ "Override protect may also be set\n", bank);
+ printf("An attempt will be made to override\n");
+ out_be32(&iim->err, IIM_ERR_RPE);
+ }
+ if (iim_stat & IIM_FBAC_FBOP) {
+ printf("Override protect fuse is set on bank %d\n", bank);
+ return 1;
+ }
+ if (f > IIM_FMAX) /* reset the entire bank */
+ for (i = 0; i < IIM_FMAX + 1; i++)
+ out_be32(&iim_fb[i], 0);
+ else
+ out_be32(&iim_fb[f], val);
+ return 0;
+}
+
+int ads5121_fuse_prog(cmd_tbl_t *cmdtp, int bank, char *fuseno_bitno)
+{
+ iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
+ int f, i, bitno;
+ u32 stat, err;
+
+ f = simple_strtol(fuseno_bitno, NULL, 10);
+ if (f == 0 && fuseno_bitno[0] != '0')
+ f = -1;
+ if (!in_range(f, 0, IIM_FMAX,
+ "<frow> must be between 0-31\n\n", cmdtp->usage))
+ return 1;
+ bitno = -1;
+ for (i = 0; i < 6; i++) {
+ if (fuseno_bitno[i] == '_') {
+ bitno = simple_strtol(&(fuseno_bitno[i+1]), NULL, 10);
+ if (bitno == 0 && fuseno_bitno[i+1] != '0')
+ bitno = -1;
+ break;
+ }
+ }
+ if (!in_range(bitno, 0, 7, "Bit number ranges from 0-7\n"
+ "Example of <frow_bitno>: \"18_4\" sets bit 4 of row 18\n",
+ cmdtp->usage))
+ return 1;
+ out_be32(&iim->err, in_be32(&iim->err));
+ out_be32(&iim->prg_p, IIM_PRG_P_SET);
+ out_be32(&iim->ua, IIM_SET_UA(bank, f));
+ out_be32(&iim->la, IIM_SET_LA(f, bitno));
+#ifdef DEBUG
+ printf("Programming disabled with DEBUG defined \n");
+ printf(""Set up to pro
+ printf("iim.ua = %x; iim.la = %x\n", iim->ua, iim->la);
+#else
+ out_be32(&iim->fctl, IIM_FCTL_PROG_PULSE | IIM_FCTL_PROG);
+ do
+ udelay(20);
+ while ((stat = in_be32(&iim->stat)) & IIM_STAT_BUSY);
+ out_be32(&iim->prg_p, 0);
+ err = in_be32(&iim->err);
+ if (stat & IIM_STAT_PRGD) {
+ if (!(err & (IIM_ERR_WPE | IIM_ERR_WPE))) {
+ printf("Fuse is successfully set");
+ if (err)
+ printf(" - however there are other errors");
+ printf("\n");
+ }
+ iim->stat = 0;
+ }
+ if (err) {
+ iim_err_msg(err);
+ out_be32(&iim->err, in_be32(&iim->err));
+ }
+#endif
+}
+
+int ads5121_fuse_sense(int bank, int fstart, int num)
+{
+ iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
+ u32 iim_fbac;
+ u32 stat, err, err_hold = 0;
+ int f, ctr;
+
+ out_be32(&iim->err, in_be32(&iim->err));
+ if (bank == 0)
+ iim_fbac = in_be32(&iim->fbac0);
+ else
+ iim_fbac = in_be32(&iim->fbac1);
+ if (iim_fbac & IIM_FBAC_FBESP) {
+ printf("\tSense Protect disallows this operation\n");
+ out_be32(&iim->err, IIM_FBAC_FBESP);
+ return 1;
+ }
+ err = in_be32(&iim->err);
+ if (err) {
+ iim_err_msg(err);
+ err_hold |= err;
+ }
+ if (err & IIM_ERR_RPE)
+ printf("\tRead protect fuse is set; "
+ "Sense Protect may be set but will be attempted\n");
+ if (err)
+ out_be32(&iim->err, err);
+ printf("Sensing fuse(s) on Bank %d\n", bank);
+ for (f = fstart, ctr = 0; num > 0; ctr++, f++, num--) {
+ out_be32(&iim->ua, IIM_SET_UA(bank, f));
+ out_be32(&iim->la, IIM_SET_LA(f, 0));
+ out_be32(&iim->fctl, IIM_FCTL_ESNS_N);
+ do
+ udelay(20);
+ while ((stat = in_be32(&iim->stat)) & IIM_STAT_BUSY);
+ err = in_be32(&iim->err);
+ if (err & IIM_ERR_SNSE) {
+ iim_err_msg(err);
+ out_be32(&iim->err, IIM_ERR_SNSE);
+ return 1;
+ }
+ if (stat & IIM_STAT_SNSD) {
+ out_be32(&iim->stat, 0);
+ if (ctr % 4 == 0)
+ printf("F%2d:", f);
+ printf("\t%#04x", (u8)iim->sdat);
+ if (ctr % 4 == 3)
+ printf("\n");
+ }
+ if (err) {
+ err_hold |= err;
+ out_be32(&iim->err, err);
+ }
+ }
+ if (ctr % 4 != 0)
+ printf("\n");
+ if (err_hold)
+ iim_err_msg(err_hold);
+
+ return 0;
+}
+
+int ads5121_fuse_stat(int bank)
+{
+ iim512x_t *iim = &((immap_t *) CONFIG_SYS_IMMR)->iim;
+ u32 iim_fbac;
+ u32 err;
+
+ out_be32(&iim->err, in_be32(&iim->err));
+ if (bank == 0)
+ iim_fbac = in_be32(&iim->fbac0);
+ else
+ iim_fbac = in_be32(&iim->fbac1);
+ err = in_be32(&iim->err);
+ if (err)
+ iim_err_msg(err);
+ if (err & IIM_ERR_RPE || iim_fbac & IIM_FBAC_FBRP) {
+ if (iim_fbac == 0)
+ printf("Since protection settings can't be read - "
+ "try sensing fuse row 0;\n");
+ return 0;
+ }
+ if (iim_fbac & IIM_PROTECTION)
+ printf("Protection Fuses Bank %d = %#04x:\n", bank, iim_fbac);
+ else if (!(err & IIM_ERR_RPE))
+ printf("No Protection fuses are set\n");
+ if (iim_fbac & IIM_FBAC_FBWP)
+ printf("\tWrite Protect fuse is set\n");
+ if (iim_fbac & IIM_FBAC_FBOP)
+ printf("\tOverride Protect fuse is set\n");
+ if (iim_fbac & IIM_FBAC_FBESP)
+ printf("\tSense Protect Fuse is set\n");
+ out_be32(&iim->err, in_be32(&iim->err));
+
+ return 0;
+}
+
+int do_ads5121_fuse(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int frow, n, v, bank;
+
+ if (cur_bank == '0')
+ bank = 0;
+ else
+ bank = 1;
+
+ switch (argc) {
+ case 0:
+ case 1:
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 2:
+ if (strncmp(argv[1], "stat", 4) == 0)
+ return ads5121_fuse_stat(bank);
+ if (strncmp(argv[1], "read", 4) == 0)
+ return ads5121_fuse_read(bank, 0, IIM_FMAX + 1);
+ if (strncmp(argv[1], "sense", 5) == 0)
+ return ads5121_fuse_sense(bank, 0, IIM_FMAX + 1);
+ if (strncmp(argv[1], "ovride", 6) == 0)
+ return ads5121_fuse_override(bank, IIM_FMAX + 1, 0);
+ if (strncmp(argv[1], "bank", 4) == 0) {
+ printf("Active Fuse Bank is %c\n", cur_bank);
+ return 0;
+ }
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 3:
+ if (strncmp(argv[1], "bank", 4) == 0) {
+ if (argv[2][0] == '0')
+ cur_bank = '0';
+ else if (argv[2][0] == '1')
+ cur_bank = '1';
+ else {
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ printf("Setting Active Fuse Bank to %c\n", cur_bank);
+ return 0;
+ }
+ if (strncmp(argv[1], "prog", 4) == 0)
+ return ads5121_fuse_prog(cmdtp, bank, argv[2]);
+
+ frow = (int)simple_strtol(argv[2], NULL, 10);
+ if (frow == 0 && argv[2][0] != '0')
+ frow = -1;
+ if (!in_range(frow, 0, IIM_FMAX,
+ "<frow> must be between 0-31\n\n", cmdtp->usage))
+ return 1;
+ if (strncmp(argv[1], "read", 4) == 0)
+ return ads5121_fuse_read(bank, frow, 1);
+ if (strncmp(argv[1], "ovride", 6) == 0)
+ return ads5121_fuse_override(bank, frow, 0);
+ if (strncmp(argv[1], "sense", 5) == 0)
+ return ads5121_fuse_sense(bank, frow, 1);
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 4:
+ frow = (int)simple_strtol(argv[2], NULL, 10);
+ if (frow == 0 && argv[2][0] != '0')
+ frow = -1;
+ if (!in_range(frow, 0, IIM_FMAX,
+ "<frow> must be between 0-31\n\n", cmdtp->usage))
+ return 1;
+ if (strncmp(argv[1], "read", 4) == 0) {
+ n = (int)simple_strtol(argv[3], NULL, 10);
+ if (!in_range(frow + n, frow + 1, IIM_FMAX + 1,
+ "<frow>+<n> must be between 1-32\n\n",
+ cmdtp->usage))
+ return 1;
+ return ads5121_fuse_read(bank, frow, n);
+ }
+ if (strncmp(argv[1], "ovride", 6) == 0) {
+ v = (int)simple_strtol(argv[3], NULL, 10);
+ return ads5121_fuse_override(bank, frow, v);
+ }
+ if (strncmp(argv[1], "sense", 5) == 0) {
+ n = (int)simple_strtol(argv[3], NULL, 10);
+ if (!in_range(frow + n, frow + 1, IIM_FMAX + 1,
+ "<frow>+<n> must be between 1-32\n\n",
+ cmdtp->usage))
+ return 1;
+ return ads5121_fuse_sense(bank, frow, n);
+ }
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ default: /* at least 5 args */
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+}
+
+U_BOOT_CMD(
+ fuse, CONFIG_SYS_MAXARGS, 0, do_ads5121_fuse,
+ " - Read, Sense, Override or Program Fuses\n",
+ "bank <n> - sets active Fuse Bank to 0 or 1\n"
+ " no args shows current active bank\n"
+ "fuse stat - print active fuse bank's protection status\n"
+ "fuse read [<frow> [<n>]] - print <n> fuse rows starting at <frow>\n"
+ " no args to print entire bank's fuses\n"
+ "fuse ovride [<frow> [<v>]]- override fuses at <frow> with <v>\n"
+ " no <v> defaults to 0 for the row\n"
+ " no args resets entire bank to 0\n"
+ " NOTE - settings persist until hard reset\n"
+ "fuse sense [<frow>] - senses current fuse at <frow>\n"
+ " no args for entire bank\n"
+ "fuse prog <frow_bit> - program fuse at row <frow>, bit <_bit>\n"
+ " <frow> is 0-31, <bit> is 0-7; eg. 13_2 \n"
+ " WARNING - this is permanent\n"
+ );
+#endif /* CONFIG_CMD_FUSE */
diff --git a/cpu/ppc4xx/4xx_pci.c b/cpu/ppc4xx/4xx_pci.c
index e8871fc..2e75886 100644
--- a/cpu/ppc4xx/4xx_pci.c
+++ b/cpu/ppc4xx/4xx_pci.c
@@ -588,8 +588,9 @@ void pci_init_board(void)
int busno;
busno = pci_440_init (&ppc440_hose);
-#if defined(CONFIG_440SPE) || \
- defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#if (defined(CONFIG_440SPE) || \
+ defined(CONFIG_460EX) || defined(CONFIG_460GT)) && \
+ !defined(CONFIG_PCI_DISABLE_PCIE)
pcie_setup_hoses(busno + 1);
#endif
}
diff --git a/cpu/ppc4xx/4xx_pcie.c b/cpu/ppc4xx/4xx_pcie.c
index fd40d8a..58d96bb 100644
--- a/cpu/ppc4xx/4xx_pcie.c
+++ b/cpu/ppc4xx/4xx_pcie.c
@@ -33,7 +33,7 @@
#if (defined(CONFIG_440SPE) || defined(CONFIG_405EX) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT)) && \
- defined(CONFIG_PCI)
+ defined(CONFIG_PCI) && !defined(CONFIG_PCI_DISABLE_PCIE)
#include <asm/4xx_pcie.h>
diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c
index c55e1cf..ba5c120 100644
--- a/cpu/ppc4xx/fdt.c
+++ b/cpu/ppc4xx/fdt.c
@@ -113,6 +113,7 @@ void fdt_pcie_setup(void *blob)
void ft_cpu_setup(void *blob, bd_t *bd)
{
sys_info_t sys_info;
+ int off, ndepth = 0;
get_sys_info(&sys_info);
@@ -133,9 +134,28 @@ void ft_cpu_setup(void *blob, bd_t *bd)
fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
/*
- * Setup all baudrates for the UARTs
+ * Fixup all UART clocks for CPU internal UARTs
+ * (only these UARTs are definitely clocked by gd->uart_clk)
+ *
+ * These UARTs are direct childs of /plb/opb. This code
+ * does not touch any UARTs that are connected to the ebc.
*/
- do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
+ off = fdt_path_offset(blob, "/plb/opb");
+ while ((off = fdt_next_node(blob, off, &ndepth)) >= 0) {
+ /*
+ * process all sub nodes and stop when we are back
+ * at the starting depth
+ */
+ if (ndepth <= 0)
+ break;
+
+ /* only update direct childs */
+ if ((ndepth == 1) &&
+ (fdt_node_check_compatible(blob, off, "ns16550") == 0))
+ fdt_setprop(blob, off,
+ "clock-frequency",
+ (void*)&(gd->uart_clk), 4);
+ }
/*
* Fixup all ethernet nodes
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 84ff7e8..bdfad98 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -305,17 +305,12 @@ flash_map (flash_info_t * info, flash_sect_t sect, uint offset)
{
unsigned int byte_offset = offset * info->portwidth;
- return map_physmem(info->start[sect] + byte_offset,
- flash_sector_size(info, sect) - byte_offset,
- MAP_NOCACHE);
+ return (void *)(info->start[sect] + byte_offset);
}
static inline void flash_unmap(flash_info_t *info, flash_sect_t sect,
unsigned int offset, void *addr)
{
- unsigned int byte_offset = offset * info->portwidth;
-
- unmap_physmem(addr, flash_sector_size(info, sect) - byte_offset);
}
/*-----------------------------------------------------------------------
@@ -802,13 +797,11 @@ static flash_sect_t find_sector (flash_info_t * info, ulong addr)
static int flash_write_cfiword (flash_info_t * info, ulong dest,
cfiword_t cword)
{
- void *dstaddr;
+ void *dstaddr = (void *)dest;
int flag;
flash_sect_t sect = 0;
char sect_found = 0;
- dstaddr = map_physmem(dest, info->portwidth, MAP_NOCACHE);
-
/* Check if Flash is (sufficiently) erased */
switch (info->portwidth) {
case FLASH_CFI_8BIT:
@@ -827,10 +820,8 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest,
flag = 0;
break;
}
- if (!flag) {
- unmap_physmem(dstaddr, info->portwidth);
+ if (!flag)
return ERR_NOT_ERASED;
- }
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
@@ -873,8 +864,6 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest,
if (flag)
enable_interrupts ();
- unmap_physmem(dstaddr, info->portwidth);
-
if (!sect_found)
sect = find_sector (info, dest);
@@ -890,7 +879,7 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
int cnt;
int retcode;
void *src = cp;
- void *dst = map_physmem(dest, len, MAP_NOCACHE);
+ void *dst = (void *)dest;
void *dst2 = dst;
int flag = 0;
uint offset = 0;
@@ -1052,7 +1041,6 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
}
out_unmap:
- unmap_physmem(dst, len);
return retcode;
}
#endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */
@@ -1301,7 +1289,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
/* handle unaligned start */
if ((aln = addr - wp) != 0) {
cword.l = 0;
- p = map_physmem(wp, info->portwidth, MAP_NOCACHE);
+ p = (uchar *)wp;
for (i = 0; i < aln; ++i)
flash_add_byte (info, &cword, flash_read8(p + i));
@@ -1313,7 +1301,6 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
flash_add_byte (info, &cword, flash_read8(p + i));
rc = flash_write_cfiword (info, wp, cword);
- unmap_physmem(p, info->portwidth);
if (rc != 0)
return rc;
@@ -1372,14 +1359,13 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
* handle unaligned tail bytes
*/
cword.l = 0;
- p = map_physmem(wp, info->portwidth, MAP_NOCACHE);
+ p = (uchar *)wp;
for (i = 0; (i < info->portwidth) && (cnt > 0); ++i) {
flash_add_byte (info, &cword, *src++);
--cnt;
}
for (; i < info->portwidth; ++i)
flash_add_byte (info, &cword, flash_read8(p + i));
- unmap_physmem(p, info->portwidth);
return flash_write_cfiword (info, wp, cword);
}
@@ -1618,7 +1604,7 @@ static void flash_read_jedec_ids (flash_info_t * info)
* board_flash_get_legacy needs to fill in at least:
* info->portwidth, info->chipwidth and info->interface for Jedec probing.
*/
-static int flash_detect_legacy(ulong base, int banknum)
+static int flash_detect_legacy(phys_addr_t base, int banknum)
{
flash_info_t *info = &flash_info[banknum];
@@ -1634,7 +1620,10 @@ static int flash_detect_legacy(ulong base, int banknum)
for (i = 0; i < sizeof(modes) / sizeof(modes[0]); i++) {
info->vendor = modes[i];
- info->start[0] = base;
+ info->start[0] =
+ (ulong)map_physmem(base,
+ info->portwidth,
+ MAP_NOCACHE);
if (info->portwidth == FLASH_CFI_8BIT
&& info->interface == FLASH_CFI_X8X16) {
info->addr_unlock1 = 0x2AAA;
@@ -1648,8 +1637,11 @@ static int flash_detect_legacy(ulong base, int banknum)
info->manufacturer_id,
info->device_id,
info->device_id2);
- if (jedec_flash_match(info, base))
+ if (jedec_flash_match(info, info->start[0]))
break;
+ else
+ unmap_physmem((void *)info->start[0],
+ MAP_NOCACHE);
}
}
@@ -1671,7 +1663,7 @@ static int flash_detect_legacy(ulong base, int banknum)
return 0; /* use CFI */
}
#else
-static inline int flash_detect_legacy(ulong base, int banknum)
+static inline int flash_detect_legacy(phys_addr_t base, int banknum)
{
return 0; /* use CFI */
}
@@ -1826,12 +1818,12 @@ static void flash_fixup_stm(flash_info_t *info, struct cfi_qry *qry)
* The following code cannot be run from FLASH!
*
*/
-ulong flash_get_size (ulong base, int banknum)
+ulong flash_get_size (phys_addr_t base, int banknum)
{
flash_info_t *info = &flash_info[banknum];
int i, j;
flash_sect_t sect_cnt;
- unsigned long sector;
+ phys_addr_t sector;
unsigned long tmp;
int size_ratio;
uchar num_erase_regions;
@@ -1847,7 +1839,7 @@ ulong flash_get_size (ulong base, int banknum)
info->legacy_unlock = 0;
#endif
- info->start[0] = base;
+ info->start[0] = (ulong)map_physmem(base, info->portwidth, MAP_NOCACHE);
if (flash_detect_cfi (info, &qry)) {
info->vendor = le16_to_cpu(qry.p_id);
@@ -1939,7 +1931,10 @@ ulong flash_get_size (ulong base, int banknum)
printf("ERROR: too many flash sectors\n");
break;
}
- info->start[sect_cnt] = sector;
+ info->start[sect_cnt] =
+ (ulong)map_physmem(sector,
+ info->portwidth,
+ MAP_NOCACHE);
sector += (erase_region_size * size_ratio);
/*
@@ -2016,7 +2011,7 @@ unsigned long flash_init (void)
char *s = getenv("unlock");
#endif
-#define BANK_BASE(i) (((unsigned long [CFI_MAX_FLASH_BANKS])CONFIG_SYS_FLASH_BANKS_LIST)[i])
+#define BANK_BASE(i) (((phys_addr_t [CFI_MAX_FLASH_BANKS])CONFIG_SYS_FLASH_BANKS_LIST)[i])
/* Init: no FLASHes known */
for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
diff --git a/drivers/mtd/jedec_flash.c b/drivers/mtd/jedec_flash.c
index 2d99d4d..e48acec 100644
--- a/drivers/mtd/jedec_flash.c
+++ b/drivers/mtd/jedec_flash.c
@@ -37,10 +37,6 @@
#define P_ID_AMD_STD CFI_CMDSET_AMD_LEGACY
-/* Manufacturers */
-#define MANUFACTURER_AMD 0x0001
-#define MANUFACTURER_SST 0x00BF
-
/* AMD */
#define AM29DL800BB 0x22CB
#define AM29DL800BT 0x224A
@@ -172,7 +168,7 @@ struct amd_flash_info {
static const struct amd_flash_info jedec_table[] = {
#ifdef CONFIG_SYS_FLASH_LEGACY_256Kx8
{
- .mfr_id = MANUFACTURER_SST,
+ .mfr_id = (u16)SST_MANUFACT,
.dev_id = SST39LF020,
.name = "SST 39LF020",
.uaddr = {
@@ -188,7 +184,7 @@ static const struct amd_flash_info jedec_table[] = {
#endif
#ifdef CONFIG_SYS_FLASH_LEGACY_512Kx8
{
- .mfr_id = MANUFACTURER_AMD,
+ .mfr_id = (u16)AMD_MANUFACT,
.dev_id = AM29LV040B,
.name = "AMD AM29LV040B",
.uaddr = {
@@ -202,7 +198,7 @@ static const struct amd_flash_info jedec_table[] = {
}
},
{
- .mfr_id = MANUFACTURER_SST,
+ .mfr_id = (u16)SST_MANUFACT,
.dev_id = SST39LF040,
.name = "SST 39LF040",
.uaddr = {
@@ -216,7 +212,7 @@ static const struct amd_flash_info jedec_table[] = {
}
},
{
- .mfr_id = STM_MANUFACT,
+ .mfr_id = (u16)STM_MANUFACT,
.dev_id = STM_ID_M29W040B,
.name = "ST Micro M29W040B",
.uaddr = {
@@ -232,7 +228,7 @@ static const struct amd_flash_info jedec_table[] = {
#endif
#ifdef CONFIG_SYS_FLASH_LEGACY_512Kx16
{
- .mfr_id = MANUFACTURER_AMD,
+ .mfr_id = (u16)AMD_MANUFACT,
.dev_id = AM29LV400BB,
.name = "AMD AM29LV400BB",
.uaddr = {
@@ -249,7 +245,7 @@ static const struct amd_flash_info jedec_table[] = {
}
},
{
- .mfr_id = MANUFACTURER_AMD,
+ .mfr_id = (u16)AMD_MANUFACT,
.dev_id = AM29LV800BB,
.name = "AMD AM29LV800BB",
.uaddr = {
diff --git a/include/asm-ppc/immap_512x.h b/include/asm-ppc/immap_512x.h
index cd90945..8087869 100644
--- a/include/asm-ppc/immap_512x.h
+++ b/include/asm-ppc/immap_512x.h
@@ -415,7 +415,25 @@ typedef struct ioctrl512x {
* IIM
*/
typedef struct iim512x {
- u8 fixme[0x1000];
+ u32 stat; /* IIM status register */
+ u32 statm; /* IIM status IRQ mask */
+ u32 err; /* IIM errors register */
+ u32 emask; /* IIM error IRQ mask */
+ u32 fctl; /* IIM fuse control register */
+ u32 ua; /* IIM upper address register */
+ u32 la; /* IIM lower address register */
+ u32 sdat; /* IIM explicit sense data */
+ u8 res0[0x08];
+ u32 prg_p; /* IIM program protection register */
+ u8 res1[0x10];
+ u32 divide; /* IIM divide factor register */
+ u8 res2[0x7c0];
+ u32 fbac0; /* IIM fuse bank 0 prot (for Freescale use) */
+ u32 fb0w0[0x1f]; /* IIM fuse bank 0 data (for Freescale use) */
+ u8 res3[0x380];
+ u32 fbac1; /* IIM fuse bank 1 protection */
+ u32 fb1w1[0x01f]; /* IIM fuse bank 1 data */
+ u8 res4[0x380];
} iim512x_t;
/*
@@ -451,7 +469,34 @@ typedef struct lpc512x {
* PATA
*/
typedef struct pata512x {
- u8 fixme[0x100];
+ /* LOCAL Registers */
+ u32 pata_time1; /* Time register 1: PIO and tx timing parameter */
+ u32 pata_time2; /* Time register 2: PIO timing parameter */
+ u32 pata_time3; /* Time register 3: PIO and MDMA timing parameter */
+ u32 pata_time4; /* Time register 4: MDMA and UDMA timing parameter */
+ u32 pata_time5; /* Time register 5: UDMA timing parameter */
+ u32 pata_time6; /* Time register 6: UDMA timing parameter */
+ u32 pata_fifo_data32; /* 32bit wide dataport to/from FIFO */
+ u32 pata_fifo_data16; /* 16bit wide dataport to/from FIFO */
+ u32 pata_fifo_fill; /* FIFO filling in halfwords (READONLY)*/
+ u32 pata_ata_control; /* ATA Interface control register */
+ u32 pata_irq_pending; /* Interrupt pending register (READONLY) */
+ u32 pata_irq_enable; /* Interrupt enable register */
+ u32 pata_irq_clear; /* Interrupt clear register (WRITEONLY)*/
+ u32 pata_fifo_alarm; /* fifo alarm threshold */
+ u32 res1[0x1A];
+ /* DRIVE Registers */
+ u32 pata_drive_data; /* drive data register*/
+ u32 pata_drive_features;/* drive features register */
+ u32 pata_drive_sectcnt; /* drive sector count register */
+ u32 pata_drive_sectnum; /* drive sector number register */
+ u32 pata_drive_cyllow; /* drive cylinder low register */
+ u32 pata_drive_cylhigh; /* drive cylinder high register */
+ u32 pata_drive_dev_head;/* drive device head register */
+ u32 pata_drive_command; /* write = drive command, read = drive status reg */
+ u32 res2[0x06];
+ u32 pata_drive_alt_stat;/* write = drive control, read = drive alt status reg */
+ u32 res3[0x09];
} pata512x_t;
/*
diff --git a/include/configs/ads5121.h b/include/configs/ads5121.h
index bb3525f..8fda3f2 100644
--- a/include/configs/ads5121.h
+++ b/include/configs/ads5121.h
@@ -47,6 +47,7 @@
#define CONFIG_E300 1 /* E300 Family */
#define CONFIG_MPC512X 1 /* MPC512X family */
#define CONFIG_FSL_DIU_FB 1 /* FSL DIU */
+#undef CONFIG_FSL_DIU_LOGO_BMP /* Don't include FSL DIU binary bmp */
/* video */
#undef CONFIG_VIDEO
@@ -294,6 +295,11 @@
#endif
/*
+ * IIM - IC Identification Module
+ */
+#undef CONFIG_IIM
+
+/*
* EEPROM configuration
*/
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* 16-bit EEPROM address */
@@ -348,11 +354,20 @@
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_DATE
+#undef CONFIG_CMD_FUSE
+#define CONFIG_CMD_IDE
+#define CONFIG_CMD_EXT2
#if defined(CONFIG_PCI)
#define CONFIG_CMD_PCI
#endif
+#if defined(CONFIG_CMD_IDE)
+#define CONFIG_DOS_PARTITION
+#define CONFIG_MAC_PARTITION
+#define CONFIG_ISO_PARTITION
+#endif /* defined(CONFIG_CMD_IDE) */
+
/*
* Watchdog timeout = CONFIG_SYS_WATCHDOG_VALUE * 65536 / IPS clock.
* For example, when IPS is set to 66MHz and CONFIG_SYS_WATCHDOG_VALUE is set
@@ -489,4 +504,48 @@
#define OF_TBCLK (bd->bi_busfreq / 4)
#define OF_STDOUT_PATH "/soc@80000000/serial@11300"
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff
+ *-----------------------------------------------------------------------
+ */
+
+#undef CONFIG_IDE_8xx_PCCARD /* Use IDE with PC Card Adapter */
+#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
+#undef CONFIG_IDE_LED /* LED for IDE not supported */
+
+#define CONFIG_IDE_RESET /* reset for IDE supported */
+#define CONFIG_IDE_PREINIT
+
+#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
+#define CONFIG_SYS_IDE_MAXDEVICE 2 /* max. 1 drive per IDE bus */
+
+#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
+#define CONFIG_SYS_ATA_BASE_ADDR MPC512X_PATA
+
+/* Offset for data I/O RefMan MPC5121EE Table 28-10 */
+#define CONFIG_SYS_ATA_DATA_OFFSET (0x00A0)
+
+/* Offset for normal register accesses */
+#define CONFIG_SYS_ATA_REG_OFFSET (CONFIG_SYS_ATA_DATA_OFFSET)
+
+/* Offset for alternate registers RefMan MPC5121EE Table 28-23 */
+#define CONFIG_SYS_ATA_ALT_OFFSET (0x00D8)
+
+/* Interval between registers */
+#define CONFIG_SYS_ATA_STRIDE 4
+
+#define ATA_BASE_ADDR MPC512X_PATA
+
+/*
+ * Control register bit definitions
+ */
+#define FSL_ATA_CTRL_FIFO_RST_B 0x80000000
+#define FSL_ATA_CTRL_ATA_RST_B 0x40000000
+#define FSL_ATA_CTRL_FIFO_TX_EN 0x20000000
+#define FSL_ATA_CTRL_FIFO_RCV_EN 0x10000000
+#define FSL_ATA_CTRL_DMA_PENDING 0x08000000
+#define FSL_ATA_CTRL_DMA_ULTRA 0x04000000
+#define FSL_ATA_CTRL_DMA_WRITE 0x02000000
+#define FSL_ATA_CTRL_IORDY_EN 0x01000000
+
#endif /* __CONFIG_H */
diff --git a/include/flash.h b/include/flash.h
index 6e2981c..02c6a04 100644
--- a/include/flash.h
+++ b/include/flash.h
@@ -33,7 +33,7 @@ typedef struct {
ulong size; /* total bank size in bytes */
ushort sector_count; /* number of erase units */
ulong flash_id; /* combined device & manufacturer code */
- ulong start[CONFIG_SYS_MAX_FLASH_SECT]; /* physical sector start addresses */
+ ulong start[CONFIG_SYS_MAX_FLASH_SECT]; /* virtual sector start address */
uchar protect[CONFIG_SYS_MAX_FLASH_SECT]; /* sector protection status */
#ifdef CONFIG_SYS_FLASH_CFI
uchar portwidth; /* the width of the port */
diff --git a/include/mpc512x.h b/include/mpc512x.h
index 05a2063..0f02293 100644
--- a/include/mpc512x.h
+++ b/include/mpc512x.h
@@ -573,6 +573,31 @@ void iopin_initialize(iopin_t *,int);
/* Register Offset Base */
#define MPC512X_FEC (CONFIG_SYS_IMMR + 0x02800)
+#define MPC512X_PATA (CONFIG_SYS_IMMR + 0x10200)
+
+/* IIM control */
+#define IIM_SET_UA(bk, f) ((bk << 3) | (f >> 5))
+#define IIM_SET_LA(f, bit) (((f & 0x0000001f) << 3) | bit)
+#define IIM_STAT_BUSY 0x00000080
+#define IIM_STAT_PRGD 0x00000002
+#define IIM_STAT_SNSD 0x00000001
+#define IIM_ERR_WPE 0x00000040
+#define IIM_ERR_OPE 0x00000020
+#define IIM_ERR_RPE 0x00000010
+#define IIM_ERR_WLRE 0x00000008
+#define IIM_ERR_SNSE 0x00000004
+#define IIM_ERR_PARITYE 0x00000002
+#define IIM_PRG_P_SET 0x000000aa
+#define IIM_PRG_P_UNSET 0
+#define IIM_FCTL_PROG_PULSE 0x00000020
+#define IIM_FCTL_PROG 0x00000001
+#define IIM_FCTL_ESNS_N 0x00000008
+#define IIM_FBAC_FBWP 0x00000080
+#define IIM_FBAC_FBOP 0x00000040
+#define IIM_FBAC_FBRP 0x00000020
+#define IIM_FBAC_FBESP 0x00000008
+#define IIM_PROTECTION 0x000000e8
+#define IIM_FMAX 31
/* Number of I2C buses */
#define I2C_BUS_CNT 3