#include <asm/bitops.h>
#include <command.h>
#include <fdt_support.h>
+#ifdef CONFIG_MISC_INIT_R
+#include <i2c.h>
+#endif
/* Clocks in use */
#define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \
#define CSAW_START(start) ((start) & 0xFFFF0000)
#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16)
-#define MPC5121_IOCTL_PSC6_0 (0x284/4)
-#define MPC5121_IO_DIU_START (0x288/4)
-#define MPC5121_IO_DIU_END (0x2fc/4)
-
-/* Functional pin muxing */
-#define MPC5121_IO_FUNC1 (0 << 7)
-#define MPC5121_IO_FUNC2 (1 << 7)
-#define MPC5121_IO_FUNC3 (2 << 7)
-#define MPC5121_IO_FUNC4 (3 << 7)
-#define MPC5121_IO_ST (1 << 2)
-#define MPC5121_IO_DS_1 (0)
-#define MPC5121_IO_DS_2 (1)
-#define MPC5121_IO_DS_3 (2)
-#define MPC5121_IO_DS_4 (3)
-
long int fixed_sdram(void);
int board_early_init_f (void)
{
volatile immap_t *im = (immap_t *) CFG_IMMR;
- u32 lpcaw, tmp32;
- volatile ioctrl512x_t *ioctl = &(im->io_ctrl);
- int i;
+ u32 lpcaw;
/*
* Initialize Local Window for the CPLD registers access (CS2 selects
* Without this the flash identification routine fails, as it needs to issue
* write commands in order to establish the device ID.
*/
- *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1;
+#ifdef CONFIG_ADS5121_REV2
+ *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1;
+#else
+ if (*((u8 *)(CFG_CPLD_BASE + 0x08)) & 0x04) {
+ *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0xC1;
+ } else {
+ /* running from Backup flash */
+ *((volatile u8 *)(CFG_CPLD_BASE + 0x08)) = 0x32;
+ }
+#endif
+ /*
+ * Configure Flash Speed
+ */
+ *((volatile u32 *)(CFG_IMMR + LPC_OFFSET + CS0_CONFIG)) = CFG_CS0_CFG;
/*
* Enable clocks
*/
im->clk.sccr[0] = SCCR1_CLOCKS_EN;
im->clk.sccr[1] = SCCR2_CLOCKS_EN;
- /* Configure DIU clock pin */
- tmp32 = ioctl->regs[MPC5121_IOCTL_PSC6_0];
- tmp32 &= ~0x1ff;
- tmp32 |= MPC5121_IO_FUNC3 | MPC5121_IO_DS_4;
- ioctl->regs[MPC5121_IOCTL_PSC6_0] = tmp32;
-
- /* Initialize IO pins (pin mux) for DIU function */
- for (i = MPC5121_IO_DIU_START; i < MPC5121_IO_DIU_END; i++)
- ioctl->regs[i] |= (MPC5121_IO_FUNC3 | MPC5121_IO_DS_4);
-
return 0;
}
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
{
u32 msize = 0;
u32 i;
/* Initialize IO Control */
- im->io_ctrl.regs[MEM_IDX] = IOCTRL_MUX_DDR;
+ im->io_ctrl.regs[IOCTL_MEM/4] = IOCTRL_MUX_DDR;
/* Initialize DDR Local Window */
im->sysconf.ddrlaw.bar = CFG_DDR_BASE & 0xFFFFF000;
int misc_init_r(void)
{
u8 tmp_val;
+ extern int ads5121_diu_init(void);
/* Using this for DIU init before the driver in linux takes over
* Enable the TFP410 Encoder (I2C address 0x38)
return 0;
}
+static iopin_t ioregs_init[] = {
+ /* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
+ {
+ IOCTL_SPDIF_TXCLK, 3, 0,
+ IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ },
+ /* Set highest Slew on 9 PATA pins */
+ {
+ IOCTL_PATA_CE1, 9, 1,
+ IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ },
+ /* FUNC1=FEC_COL Sets Next 15 to FEC pads */
+ {
+ IOCTL_PSC0_0, 15, 0,
+ IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ },
+ /* FUNC1=SPDIF_TXCLK */
+ {
+ IOCTL_LPC_CS1, 1, 0,
+ IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
+ },
+ /* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */
+ {
+ IOCTL_I2C1_SCL, 2, 0,
+ IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
+ },
+ /* FUNC2=DIU CLK */
+ {
+ IOCTL_PSC6_0, 1, 0,
+ IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
+ },
+ /* FUNC2=DIU_HSYNC */
+ {
+ IOCTL_PSC6_1, 1, 0,
+ IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ },
+ /* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */
+ {
+ IOCTL_PSC6_4, 26, 0,
+ IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ }
+};
int checkboard (void)
{
ushort brd_rev = *(vu_short *) (CFG_CPLD_BASE + 0x00);
uchar cpld_rev = *(vu_char *) (CFG_CPLD_BASE + 0x02);
- volatile immap_t *im = (immap_t *) CFG_IMMR;
- volatile unsigned long *reg;
- int i;
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]));
- /* change the slew rate on all pata pins to max */
- reg = (unsigned long *) &(im->io_ctrl.regs[PATA_CE1_IDX]);
- for (i = 0; i < 9; i++)
- reg[i] |= 0x00000003;
return 0;
}
projects / u-boot / blobdiff