diff options
Diffstat (limited to 'board/ads5121')
| -rw-r--r-- | board/ads5121/Makefile | 2 | ||||
| -rw-r--r-- | board/ads5121/README | 9 | ||||
| -rw-r--r-- | board/ads5121/ads5121.c | 54 | ||||
| -rw-r--r-- | board/ads5121/iopin.c | 96 | ||||
| -rw-r--r-- | board/ads5121/iopin.h | 222 |
5 files changed, 347 insertions, 36 deletions
diff --git a/board/ads5121/Makefile b/board/ads5121/Makefile index 52d0d3c..5b95682 100644 --- a/board/ads5121/Makefile +++ b/board/ads5121/Makefile @@ -27,7 +27,7 @@ $(shell mkdir -p $(OBJTREE)/board/freescale/common) LIB = $(obj)lib$(BOARD).a -COBJS-y := $(BOARD).o +COBJS-y := $(BOARD).o iopin.o COBJS-${CONFIG_FSL_DIU_FB} += ads5121_diu.o COBJS-${CONFIG_FSL_DIU_FB} += ../freescale/common/fsl_diu_fb.o COBJS-${CONFIG_FSL_DIU_FB} += ../freescale/common/fsl_logo_bmp.o diff --git a/board/ads5121/README b/board/ads5121/README new file mode 100644 index 0000000..f2d1df3 --- /dev/null +++ b/board/ads5121/README @@ -0,0 +1,9 @@ +To configure for the current (Rev 3.x) ADS5121 + make ads5121_config +This will automatically include PCI, the Real Time CLock, add backup flash +ability and set the correct frequency and memory configuration. + +To configure for the older Rev 2 ADS5121 type (this will not have PCI) + make ads5121_rev2_config + + diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c index ef66663..de59991 100644 --- a/board/ads5121/ads5121.c +++ b/board/ads5121/ads5121.c @@ -26,7 +26,9 @@ #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 | \ CLOCK_SCCR1_LPC_EN | \ @@ -45,28 +47,12 @@ #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; /* @@ -91,24 +77,27 @@ int board_early_init_f (void) * 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; } @@ -250,17 +239,12 @@ 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(); - /* 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; } diff --git a/board/ads5121/iopin.c b/board/ads5121/iopin.c new file mode 100644 index 0000000..6a35c81 --- /dev/null +++ b/board/ads5121/iopin.c @@ -0,0 +1,96 @@ +/* + * (C) Copyright 2008 + * Martha J Marx, Silicon Turnkey Express, mmarx@silicontkx.com + * mpc512x I/O pin/pad initialization for the ADS5121 board + * 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 <linux/types.h> +#include "iopin.h" + +/* + * IO PAD TYPES + * for all types fmux is used to select the funtion + * ds sets the slew rate + * STD pins nothing extra (can set ds & fmux only) + * STD_PU pue=1 to enable pull & pud sets whether up or down resistors + * STD_ST st sets the Schmitt trigger + * STD_PU_ST pue & pud sets pull-up/down resistors as in STD_PU + * st sets the Schmitt trigger + * PCI hold sets output delay + * PCI_ST hold sets output delay and st sets the Schmitt trigger + */ + +static struct iopin_t { + u_short p_offset; /* offset from IOCTL_MEM_OFFSET */ + u_short p_no; /* number of pins to set this way */ + u_short bit_or:7; /* Do bitwise OR instead of setting */ + u_short fmux:2; /* pad function select 0-3 */ + u_short hold:2; /* PCI pad types only; */ + u_short pud:1; /* pull resistor; PU types only; */ + /* if pue=1 then 0=pull-down, 1=pull-up */ + u_short pue:1; /* Pull resistor enable; _PU types only */ + u_short st:1; /* Schmitt trigger enable; _ST types only */ + u_short ds:2; /* Slew rate class, 0=class1, ..., 3=class4 */ +} ioregs_init[] = { +/* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */ + {IOCTL_SPDIF_TXCLK, 3, 0, 1, 0, 0, 0, 0, 3}, +/* Set highest Slew on 9 PATA pins */ + {IOCTL_PATA_CE1, 9, 1, 0, 0, 0, 0, 0, 3}, +/* FUNC1=FEC_COL Sets Next 15 to FEC pads */ + {IOCTL_PSC0_0, 15, 0, 1, 0, 0, 0, 0, 3}, +/* FUNC1=SPDIF_TXCLK */ + {IOCTL_LPC_CS1, 1, 0, 1, 0, 0, 0, 1, 3}, +/* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */ + {IOCTL_I2C1_SCL, 2, 0, 2, 0, 0, 0, 1, 3}, +/* FUNC2=DIU CLK */ + {IOCTL_PSC6_0, 1, 0, 2, 0, 0, 0, 1, 3}, +/* FUNC2=DIU_HSYNC */ + {IOCTL_PSC6_1, 1, 0, 2, 0, 0, 0, 0, 3}, +/* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */ + {IOCTL_PSC6_4, 26, 0, 2, 0, 0, 0, 0, 3} +}; + +void iopin_initialize(void) +{ + short i, j, n, p; + u_long *reg; + + if (sizeof(ioregs_init) == 0) + return; + + immap_t *im = (immap_t *)CFG_IMMR; + reg = (u_long *)&(im->io_ctrl.regs[0]); + n = sizeof(ioregs_init) / sizeof(ioregs_init[0]); + + for (i = 0; i < n; i++) { + for (p = 0, j = ioregs_init[i].p_offset / sizeof(u_long); + p < ioregs_init[i].p_no; p++, j++) { + /* lowest 9 bits sets the register */ + if (ioregs_init[i].bit_or) + reg[j] |= *((u_long *) &ioregs_init[i].p_no) + & 0x000001ff; + else + reg[j] = *((u_long *) &ioregs_init[i].p_no) + & 0x000001ff; + } + } + return; +} diff --git a/board/ads5121/iopin.h b/board/ads5121/iopin.h new file mode 100644 index 0000000..7ef8472 --- /dev/null +++ b/board/ads5121/iopin.h @@ -0,0 +1,222 @@ +/* + * (C) Copyright 2008 + * Martha J Marx, Silicon Turnkey Express, mmarx@silicontkx.com + * mpc512x I/O pin/pad initialization for the ADS5121 board + * 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 IOCTL_MEM 0x000 +#define IOCTL_GP 0x004 +#define IOCTL_LPC_CLK 0x008 +#define IOCTL_LPC_OE 0x00C +#define IOCTL_LPC_RWB 0x010 +#define IOCTL_LPC_ACK 0x014 +#define IOCTL_LPC_CS0 0x018 +#define IOCTL_NFC_CE0 0x01C +#define IOCTL_LPC_CS1 0x020 +#define IOCTL_LPC_CS2 0x024 +#define IOCTL_LPC_AX03 0x028 +#define IOCTL_EMB_AX02 0x02C +#define IOCTL_EMB_AX01 0x030 +#define IOCTL_EMB_AX00 0x034 +#define IOCTL_EMB_AD31 0x038 +#define IOCTL_EMB_AD30 0x03C +#define IOCTL_EMB_AD29 0x040 +#define IOCTL_EMB_AD28 0x044 +#define IOCTL_EMB_AD27 0x048 +#define IOCTL_EMB_AD26 0x04C +#define IOCTL_EMB_AD25 0x050 +#define IOCTL_EMB_AD24 0x054 +#define IOCTL_EMB_AD23 0x058 +#define IOCTL_EMB_AD22 0x05C +#define IOCTL_EMB_AD21 0x060 +#define IOCTL_EMB_AD20 0x064 +#define IOCTL_EMB_AD19 0x068 +#define IOCTL_EMB_AD18 0x06C +#define IOCTL_EMB_AD17 0x070 +#define IOCTL_EMB_AD16 0x074 +#define IOCTL_EMB_AD15 0x078 +#define IOCTL_EMB_AD14 0x07C +#define IOCTL_EMB_AD13 0x080 +#define IOCTL_EMB_AD12 0x084 +#define IOCTL_EMB_AD11 0x088 +#define IOCTL_EMB_AD10 0x08C +#define IOCTL_EMB_AD09 0x090 +#define IOCTL_EMB_AD08 0x094 +#define IOCTL_EMB_AD07 0x098 +#define IOCTL_EMB_AD06 0x09C +#define IOCTL_EMB_AD05 0x0A0 +#define IOCTL_EMB_AD04 0x0A4 +#define IOCTL_EMB_AD03 0x0A8 +#define IOCTL_EMB_AD02 0x0AC +#define IOCTL_EMB_AD01 0x0B0 +#define IOCTL_EMB_AD00 0x0B4 +#define IOCTL_PATA_CE1 0x0B8 +#define IOCTL_PATA_CE2 0x0BC +#define IOCTL_PATA_ISOLATE 0x0C0 +#define IOCTL_PATA_IOR 0x0C4 +#define IOCTL_PATA_IOW 0x0C8 +#define IOCTL_PATA_IOCHRDY 0x0CC +#define IOCTL_PATA_INTRQ 0x0D0 +#define IOCTL_PATA_DRQ 0x0D4 +#define IOCTL_PATA_DACK 0x0D8 +#define IOCTL_NFC_WP 0x0DC +#define IOCTL_NFC_RB 0x0E0 +#define IOCTL_NFC_ALE 0x0E4 +#define IOCTL_NFC_CLE 0x0E8 +#define IOCTL_NFC_WE 0x0EC +#define IOCTL_NFC_RE 0x0F0 +#define IOCTL_PCI_AD31 0x0F4 +#define IOCTL_PCI_AD30 0x0F8 +#define IOCTL_PCI_AD29 0x0FC +#define IOCTL_PCI_AD28 0x100 +#define IOCTL_PCI_AD27 0x104 +#define IOCTL_PCI_AD26 0x108 +#define IOCTL_PCI_AD25 0x10C +#define IOCTL_PCI_AD24 0x110 +#define IOCTL_PCI_AD23 0x114 +#define IOCTL_PCI_AD22 0x118 +#define IOCTL_PCI_AD21 0x11C +#define IOCTL_PCI_AD20 0x120 +#define IOCTL_PCI_AD19 0x124 +#define IOCTL_PCI_AD18 0x128 +#define IOCTL_PCI_AD17 0x12C +#define IOCTL_PCI_AD16 0x130 +#define IOCTL_PCI_AD15 0x134 +#define IOCTL_PCI_AD14 0x138 +#define IOCTL_PCI_AD13 0x13C +#define IOCTL_PCI_AD12 0x140 +#define IOCTL_PCI_AD11 0x144 +#define IOCTL_PCI_AD10 0x148 +#define IOCTL_PCI_AD09 0x14C +#define IOCTL_PCI_AD08 0x150 +#define IOCTL_PCI_AD07 0x154 +#define IOCTL_PCI_AD06 0x158 +#define IOCTL_PCI_AD05 0x15C +#define IOCTL_PCI_AD04 0x160 +#define IOCTL_PCI_AD03 0x164 +#define IOCTL_PCI_AD02 0x168 +#define IOCTL_PCI_AD01 0x16C +#define IOCTL_PCI_AD00 0x170 +#define IOCTL_PCI_CBE0 0x174 +#define IOCTL_PCI_CBE1 0x178 +#define IOCTL_PCI_CBE2 0x17C +#define IOCTL_PCI_CBE3 0x180 +#define IOCTL_PCI_GNT2 0x184 +#define IOCTL_PCI_REQ2 0x188 +#define IOCTL_PCI_GNT1 0x18C +#define IOCTL_PCI_REQ1 0x190 +#define IOCTL_PCI_GNT0 0x194 +#define IOCTL_PCI_REQ0 0x198 +#define IOCTL_PCI_INTA 0x19C +#define IOCTL_PCI_CLK 0x1A0 +#define IOCTL_PCI_RST_OUT 0x1A4 +#define IOCTL_PCI_FRAME 0x1A8 +#define IOCTL_PCI_IDSEL 0x1AC +#define IOCTL_PCI_DEVSEL 0x1B0 +#define IOCTL_PCI_IRDY 0x1B4 +#define IOCTL_PCI_TRDY 0x1B8 +#define IOCTL_PCI_STOP 0x1BC +#define IOCTL_PCI_PAR 0x1C0 +#define IOCTL_PCI_PERR 0x1C4 +#define IOCTL_PCI_SERR 0x1C8 +#define IOCTL_SPDIF_TXCLK 0x1CC +#define IOCTL_SPDIF_TX 0x1D0 +#define IOCTL_SPDIF_RX 0x1D4 +#define IOCTL_I2C0_SCL 0x1D8 +#define IOCTL_I2C0_SDA 0x1DC +#define IOCTL_I2C1_SCL 0x1E0 +#define IOCTL_I2C1_SDA 0x1E4 +#define IOCTL_I2C2_SCL 0x1E8 +#define IOCTL_I2C2_SDA 0x1EC +#define IOCTL_IRQ0 0x1F0 +#define IOCTL_IRQ1 0x1F4 +#define IOCTL_CAN1_TX 0x1F8 +#define IOCTL_CAN2_TX 0x1FC +#define IOCTL_J1850_TX 0x200 +#define IOCTL_J1850_RX 0x204 +#define IOCTL_PSC_MCLK_IN 0x208 +#define IOCTL_PSC0_0 0x20C +#define IOCTL_PSC0_1 0x210 +#define IOCTL_PSC0_2 0x214 +#define IOCTL_PSC0_3 0x218 +#define IOCTL_PSC0_4 0x21C +#define IOCTL_PSC1_0 0x220 +#define IOCTL_PSC1_1 0x224 +#define IOCTL_PSC1_2 0x228 +#define IOCTL_PSC1_3 0x22C +#define IOCTL_PSC1_4 0x230 +#define IOCTL_PSC2_0 0x234 +#define IOCTL_PSC2_1 0x238 +#define IOCTL_PSC2_2 0x23C +#define IOCTL_PSC2_3 0x240 +#define IOCTL_PSC2_4 0x244 +#define IOCTL_PSC3_0 0x248 +#define IOCTL_PSC3_1 0x24C +#define IOCTL_PSC3_2 0x250 +#define IOCTL_PSC3_3 0x254 +#define IOCTL_PSC3_4 0x258 +#define IOCTL_PSC4_0 0x25C +#define IOCTL_PSC4_1 0x260 +#define IOCTL_PSC4_2 0x264 +#define IOCTL_PSC4_3 0x268 +#define IOCTL_PSC4_4 0x26C +#define IOCTL_PSC5_0 0x270 +#define IOCTL_PSC5_1 0x274 +#define IOCTL_PSC5_2 0x278 +#define IOCTL_PSC5_3 0x27C +#define IOCTL_PSC5_4 0x280 +#define IOCTL_PSC6_0 0x284 +#define IOCTL_PSC6_1 0x288 +#define IOCTL_PSC6_2 0x28C +#define IOCTL_PSC6_3 0x290 +#define IOCTL_PSC6_4 0x294 +#define IOCTL_PSC7_0 0x298 +#define IOCTL_PSC7_1 0x29C +#define IOCTL_PSC7_2 0x2A0 +#define IOCTL_PSC7_3 0x2A4 +#define IOCTL_PSC7_4 0x2A8 +#define IOCTL_PSC8_0 0x2AC +#define IOCTL_PSC8_1 0x2B0 +#define IOCTL_PSC8_2 0x2B4 +#define IOCTL_PSC8_3 0x2B8 +#define IOCTL_PSC8_4 0x2BC +#define IOCTL_PSC9_0 0x2C0 +#define IOCTL_PSC9_1 0x2C4 +#define IOCTL_PSC9_2 0x2C8 +#define IOCTL_PSC9_3 0x2CC +#define IOCTL_PSC9_4 0x2D0 +#define IOCTL_PSC10_0 0x2D4 +#define IOCTL_PSC10_1 0x2D8 +#define IOCTL_PSC10_2 0x2DC +#define IOCTL_PSC10_3 0x2E0 +#define IOCTL_PSC10_4 0x2E4 +#define IOCTL_PSC11_0 0x2E8 +#define IOCTL_PSC11_1 0x2EC +#define IOCTL_PSC11_2 0x2F0 +#define IOCTL_PSC11_3 0x2F4 +#define IOCTL_PSC11_4 0x2F8 +#define IOCTL_HRESET 0x2FC +#define IOCTL_SRESET 0x300 +#define IOCTL_CKSTP_OUT 0x304 +#define IOCTL_USB2_VBUS_PWR_FAULT 0x308 +#define IOCTL_USB2_VBUS_PWR_SELECT 0x30C +#define IOCTL_USB2_PHY_DRVV_BUS 0x310 + +extern void iopin_initialize(void); |