| /* |
| * (C) Copyright 2009-2010 |
| * Stefan Roese, DENX Software Engineering, sr@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 <asm/ppc4xx.h> |
| #include <i2c.h> |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| #include <netdev.h> |
| #include <asm/processor.h> |
| #include <asm/io.h> |
| #include <asm/ppc4xx-gpio.h> |
| #include <asm/4xx_pcie.h> |
| #include <asm/errno.h> |
| #include <asm/mmu.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| int board_early_init_f(void) |
| { |
| unsigned long mfr; |
| |
| /* |
| * Interrupt controller setup for the ICON 440SPe board. |
| * |
| *-------------------------------------------------------------------- |
| * IRQ | Source | Pol. | Sensi.| Crit. |
| *--------+-----------------------------------+-------+-------+------- |
| * IRQ 00 | UART0 | High | Level | Non |
| * IRQ 01 | UART1 | High | Level | Non |
| * IRQ 02 | IIC0 | High | Level | Non |
| * IRQ 03 | IIC1 | High | Level | Non |
| * IRQ 04 | PCI0X0 MSG IN | High | Level | Non |
| * IRQ 05 | PCI0X0 CMD Write | High | Level | Non |
| * IRQ 06 | PCI0X0 Power Mgt | High | Level | Non |
| * IRQ 07 | PCI0X0 VPD Access | Rising| Edge | Non |
| * IRQ 08 | PCI0X0 MSI level 0 | High | Lvl/ed| Non |
| * IRQ 09 | External IRQ 15 - (PCI-Express) | pgm H | Pgm | Non |
| * IRQ 10 | UIC2 Non-critical Int. | NA | NA | Non |
| * IRQ 11 | UIC2 Critical Interrupt | NA | NA | Crit |
| * IRQ 12 | PCI Express MSI Level 0 | Rising| Edge | Non |
| * IRQ 13 | PCI Express MSI Level 1 | Rising| Edge | Non |
| * IRQ 14 | PCI Express MSI Level 2 | Rising| Edge | Non |
| * IRQ 15 | PCI Express MSI Level 3 | Rising| Edge | Non |
| * IRQ 16 | UIC3 Non-critical Int. | NA | NA | Non |
| * IRQ 17 | UIC3 Critical Interrupt | NA | NA | Crit |
| * IRQ 18 | External IRQ 14 - (PCI-Express) | Pgm | Pgm | Non |
| * IRQ 19 | DMA Channel 0 FIFO Full | High | Level | Non |
| * IRQ 20 | DMA Channel 0 Stat FIFO | High | Level | Non |
| * IRQ 21 | DMA Channel 1 FIFO Full | High | Level | Non |
| * IRQ 22 | DMA Channel 1 Stat FIFO | High | Level | Non |
| * IRQ 23 | I2O Inbound Doorbell | High | Level | Non |
| * IRQ 24 | Inbound Post List FIFO Not Empt | High | Level | Non |
| * IRQ 25 | I2O Region 0 LL PLB Write | High | Level | Non |
| * IRQ 26 | I2O Region 1 LL PLB Write | High | Level | Non |
| * IRQ 27 | I2O Region 0 HB PLB Write | High | Level | Non |
| * IRQ 28 | I2O Region 1 HB PLB Write | High | Level | Non |
| * IRQ 29 | GPT Down Count Timer | Rising| Edge | Non |
| * IRQ 30 | UIC1 Non-critical Int. | NA | NA | Non |
| * IRQ 31 | UIC1 Critical Interrupt | NA | NA | Crit. |
| *-------------------------------------------------------------------- |
| * IRQ 32 | Ext. IRQ 13 - (PCI-Express) |pgm (H)|pgm/Lvl| Non |
| * IRQ 33 | MAL Serr | High | Level | Non |
| * IRQ 34 | MAL Txde | High | Level | Non |
| * IRQ 35 | MAL Rxde | High | Level | Non |
| * IRQ 36 | DMC CE or DMC UE | High | Level | Non |
| * IRQ 37 | EBC or UART2 | High |Lvl Edg| Non |
| * IRQ 38 | MAL TX EOB | High | Level | Non |
| * IRQ 39 | MAL RX EOB | High | Level | Non |
| * IRQ 40 | PCIX0 MSI Level 1 | High |Lvl Edg| Non |
| * IRQ 41 | PCIX0 MSI level 2 | High |Lvl Edg| Non |
| * IRQ 42 | PCIX0 MSI level 3 | High |Lvl Edg| Non |
| * IRQ 43 | L2 Cache | Risin | Edge | Non |
| * IRQ 44 | GPT Compare Timer 0 | Risin | Edge | Non |
| * IRQ 45 | GPT Compare Timer 1 | Risin | Edge | Non |
| * IRQ 46 | GPT Compare Timer 2 | Risin | Edge | Non |
| * IRQ 47 | GPT Compare Timer 3 | Risin | Edge | Non |
| * IRQ 48 | GPT Compare Timer 4 | Risin | Edge | Non |
| * IRQ 49 | Ext. IRQ 12 - PCI-X |pgm/Fal|pgm/Lvl| Non |
| * IRQ 50 | Ext. IRQ 11 - |pgm (H)|pgm/Lvl| Non |
| * IRQ 51 | Ext. IRQ 10 - |pgm (H)|pgm/Lvl| Non |
| * IRQ 52 | Ext. IRQ 9 |pgm (H)|pgm/Lvl| Non |
| * IRQ 53 | Ext. IRQ 8 |pgm (H)|pgm/Lvl| Non |
| * IRQ 54 | DMA Error | High | Level | Non |
| * IRQ 55 | DMA I2O Error | High | Level | Non |
| * IRQ 56 | Serial ROM | High | Level | Non |
| * IRQ 57 | PCIX0 Error | High | Edge | Non |
| * IRQ 58 | Ext. IRQ 7- |pgm (H)|pgm/Lvl| Non |
| * IRQ 59 | Ext. IRQ 6- |pgm (H)|pgm/Lvl| Non |
| * IRQ 60 | EMAC0 Interrupt | High | Level | Non |
| * IRQ 61 | EMAC0 Wake-up | High | Level | Non |
| * IRQ 62 | Reserved | High | Level | Non |
| * IRQ 63 | XOR | High | Level | Non |
| *-------------------------------------------------------------------- |
| * IRQ 64 | PE0 AL | High | Level | Non |
| * IRQ 65 | PE0 VPD Access | Risin | Edge | Non |
| * IRQ 66 | PE0 Hot Reset Request | Risin | Edge | Non |
| * IRQ 67 | PE0 Hot Reset Request | Falli | Edge | Non |
| * IRQ 68 | PE0 TCR | High | Level | Non |
| * IRQ 69 | PE0 BusMaster VCO | Falli | Edge | Non |
| * IRQ 70 | PE0 DCR Error | High | Level | Non |
| * IRQ 71 | Reserved | N/A | N/A | Non |
| * IRQ 72 | PE1 AL | High | Level | Non |
| * IRQ 73 | PE1 VPD Access | Risin | Edge | Non |
| * IRQ 74 | PE1 Hot Reset Request | Risin | Edge | Non |
| * IRQ 75 | PE1 Hot Reset Request | Falli | Edge | Non |
| * IRQ 76 | PE1 TCR | High | Level | Non |
| * IRQ 77 | PE1 BusMaster VCO | Falli | Edge | Non |
| * IRQ 78 | PE1 DCR Error | High | Level | Non |
| * IRQ 79 | Reserved | N/A | N/A | Non |
| * IRQ 80 | PE2 AL | High | Level | Non |
| * IRQ 81 | PE2 VPD Access | Risin | Edge | Non |
| * IRQ 82 | PE2 Hot Reset Request | Risin | Edge | Non |
| * IRQ 83 | PE2 Hot Reset Request | Falli | Edge | Non |
| * IRQ 84 | PE2 TCR | High | Level | Non |
| * IRQ 85 | PE2 BusMaster VCO | Falli | Edge | Non |
| * IRQ 86 | PE2 DCR Error | High | Level | Non |
| * IRQ 87 | Reserved | N/A | N/A | Non |
| * IRQ 88 | External IRQ(5) | Progr | Progr | Non |
| * IRQ 89 | External IRQ 4 - Ethernet | Progr | Progr | Non |
| * IRQ 90 | External IRQ 3 - PCI-X | Progr | Progr | Non |
| * IRQ 91 | External IRQ 2 - PCI-X | Progr | Progr | Non |
| * IRQ 92 | External IRQ 1 - PCI-X | Progr | Progr | Non |
| * IRQ 93 | External IRQ 0 - PCI-X | Progr | Progr | Non |
| * IRQ 94 | Reserved | N/A | N/A | Non |
| * IRQ 95 | Reserved | N/A | N/A | Non |
| *-------------------------------------------------------------------- |
| * IRQ 96 | PE0 INTA | High | Level | Non |
| * IRQ 97 | PE0 INTB | High | Level | Non |
| * IRQ 98 | PE0 INTC | High | Level | Non |
| * IRQ 99 | PE0 INTD | High | Level | Non |
| * IRQ 100| PE1 INTA | High | Level | Non |
| * IRQ 101| PE1 INTB | High | Level | Non |
| * IRQ 102| PE1 INTC | High | Level | Non |
| * IRQ 103| PE1 INTD | High | Level | Non |
| * IRQ 104| PE2 INTA | High | Level | Non |
| * IRQ 105| PE2 INTB | High | Level | Non |
| * IRQ 106| PE2 INTC | High | Level | Non |
| * IRQ 107| PE2 INTD | Risin | Edge | Non |
| * IRQ 108| PCI Express MSI Level 4 | Risin | Edge | Non |
| * IRQ 109| PCI Express MSI Level 5 | Risin | Edge | Non |
| * IRQ 110| PCI Express MSI Level 6 | Risin | Edge | Non |
| * IRQ 111| PCI Express MSI Level 7 | Risin | Edge | Non |
| * IRQ 116| PCI Express MSI Level 12 | Risin | Edge | Non |
| * IRQ 112| PCI Express MSI Level 8 | Risin | Edge | Non |
| * IRQ 113| PCI Express MSI Level 9 | Risin | Edge | Non |
| * IRQ 114| PCI Express MSI Level 10 | Risin | Edge | Non |
| * IRQ 115| PCI Express MSI Level 11 | Risin | Edge | Non |
| * IRQ 117| PCI Express MSI Level 13 | Risin | Edge | Non |
| * IRQ 118| PCI Express MSI Level 14 | Risin | Edge | Non |
| * IRQ 119| PCI Express MSI Level 15 | Risin | Edge | Non |
| * IRQ 120| PCI Express MSI Level 16 | Risin | Edge | Non |
| * IRQ 121| PCI Express MSI Level 17 | Risin | Edge | Non |
| * IRQ 122| PCI Express MSI Level 18 | Risin | Edge | Non |
| * IRQ 123| PCI Express MSI Level 19 | Risin | Edge | Non |
| * IRQ 124| PCI Express MSI Level 20 | Risin | Edge | Non |
| * IRQ 125| PCI Express MSI Level 21 | Risin | Edge | Non |
| * IRQ 126| PCI Express MSI Level 22 | Risin | Edge | Non |
| * IRQ 127| PCI Express MSI Level 23 | Risin | Edge | Non |
| */ |
| |
| /* |
| * Put UICs in PowerPC 440SPe mode. |
| * Initialise UIC registers. Clear all interrupts. Disable all |
| * interrupts. Set critical interrupt values. Set interrupt polarities. |
| * Set interrupt trigger levels. Make bit 0 High priority. Clear all |
| * interrupts again. |
| */ |
| mtdcr(UIC3SR, 0xffffffff); /* Clear all interrupts */ |
| mtdcr(UIC3ER, 0x00000000); /* disable all interrupts */ |
| mtdcr(UIC3CR, 0x00000000); /* Set Critical / Non Critical IRQs */ |
| mtdcr(UIC3PR, 0xffffffff); /* Set Interrupt Polarities*/ |
| mtdcr(UIC3TR, 0x001fffff); /* Set Interrupt Trigger Levels */ |
| mtdcr(UIC3VR, 0x00000001); /* Set Vect base=0,INT31 Highest prio */ |
| mtdcr(UIC3SR, 0x00000000); /* clear all interrupts*/ |
| mtdcr(UIC3SR, 0xffffffff); /* clear all interrupts*/ |
| |
| mtdcr(UIC2SR, 0xffffffff); /* Clear all interrupts */ |
| mtdcr(UIC2ER, 0x00000000); /* disable all interrupts*/ |
| mtdcr(UIC2CR, 0x00000000); /* Set Critical / Non Critical IRQs */ |
| mtdcr(UIC2PR, 0xebebebff); /* Set Interrupt Polarities*/ |
| mtdcr(UIC2TR, 0x74747400); /* Set Interrupt Trigger Levels */ |
| mtdcr(UIC2VR, 0x00000001); /* Set Vect base=0,INT31 Highest prio */ |
| mtdcr(UIC2SR, 0x00000000); /* clear all interrupts */ |
| mtdcr(UIC2SR, 0xffffffff); /* clear all interrupts */ |
| |
| mtdcr(UIC1SR, 0xffffffff); /* Clear all interrupts*/ |
| mtdcr(UIC1ER, 0x00000000); /* disable all interrupts*/ |
| mtdcr(UIC1CR, 0x00000000); /* Set Critical / Non Critical IRQs */ |
| mtdcr(UIC1PR, 0xffffffff); /* Set Interrupt Polarities */ |
| mtdcr(UIC1TR, 0x001f8040); /* Set Interrupt Trigger Levels*/ |
| mtdcr(UIC1VR, 0x00000001); /* Set Vect base=0,INT31 Highest prio */ |
| mtdcr(UIC1SR, 0x00000000); /* clear all interrupts*/ |
| mtdcr(UIC1SR, 0xffffffff); /* clear all interrupts*/ |
| |
| mtdcr(UIC0SR, 0xffffffff); /* Clear all interrupts */ |
| mtdcr(UIC0ER, 0x00000000); /* disable all int. excepted cascade */ |
| mtdcr(UIC0CR, 0x00104001); /* Set Critical / Non Critical IRQs */ |
| mtdcr(UIC0PR, 0xffffffff); /* Set Interrupt Polarities*/ |
| mtdcr(UIC0TR, 0x010f0004); /* Set Interrupt Trigger Levels */ |
| mtdcr(UIC0VR, 0x00000001); /* Set Vect base=0,INT31 Highest prio */ |
| mtdcr(UIC0SR, 0x00000000); /* clear all interrupts*/ |
| mtdcr(UIC0SR, 0xffffffff); /* clear all interrupts*/ |
| |
| mfsdr(SDR0_MFR, mfr); |
| mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */ |
| mtsdr(SDR0_MFR, mfr); |
| |
| mtsdr(SDR0_PFC0, CONFIG_SYS_PFC0); |
| |
| out_be32((void *)GPIO0_OR, CONFIG_SYS_GPIO_OR); |
| out_be32((void *)GPIO0_ODR, CONFIG_SYS_GPIO_ODR); |
| out_be32((void *)GPIO0_TCR, CONFIG_SYS_GPIO_TCR); |
| |
| return 0; |
| } |
| |
| int board_early_init_r(void) |
| { |
| /* |
| * ICON has 64MBytes of NOR FLASH (Spansion 29GL512), but the |
| * boot EBC mapping only supports a maximum of 16MBytes |
| * (4.ff00.0000 - 4.ffff.ffff). |
| * To solve this problem, the FLASH has to get remapped to another |
| * EBC address which accepts bigger regions: |
| * |
| * 0xfc00.0000 -> 4.ec00.0000 |
| */ |
| |
| /* Remap the NOR FLASH to 0xec00.0000 ... 0xefff.ffff */ |
| mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L | 0xda000); |
| |
| /* Remove TLB entry of boot EBC mapping */ |
| remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20); |
| |
| /* Add TLB entry for 0xfc00.0000 -> 0x4.ec00.0000 */ |
| program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE, |
| CONFIG_SYS_FLASH_SIZE, TLB_WORD2_I_ENABLE); |
| |
| /* |
| * Now accessing of the whole 64Mbytes of NOR FLASH at virtual address |
| * 0xfc00.0000 is possible |
| */ |
| |
| /* |
| * Clear potential errors resulting from auto-calibration. |
| * If not done, then we could get an interrupt later on when |
| * exceptions are enabled. |
| */ |
| set_mcsr(get_mcsr()); |
| |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| char buf[64]; |
| int i = getenv_f("serial#", buf, sizeof(buf)); |
| |
| printf("Board: ICON"); |
| if (i > 0) { |
| puts(", serial# "); |
| puts(buf); |
| } |
| putc('\n'); |
| |
| return 0; |
| } |
| |
| /* |
| * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with |
| * board specific values. |
| * |
| * Tested successfully with the following SODIMM: |
| * Crucial CT6464AC667.4FE - 512MB SO-DIMM (single rank) |
| * |
| * Tests with Micron MT4HTF6464HZ-667H1 showed problems in "cold" state, |
| * directly after power-up. Only after running for more than 10 minutes |
| * real stable auto-calibration windows could be found. |
| */ |
| u32 ddr_wrdtr(u32 default_val) |
| { |
| return SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_90_DEG_ADV; |
| } |
| |
| u32 ddr_clktr(u32 default_val) |
| { |
| return SDRAM_CLKTR_CLKP_180_DEG_ADV; |
| } |
| |
| /* |
| * Override the weak default implementation and return the |
| * last PCIe slot number (max number - 1). |
| */ |
| int board_pcie_last(void) |
| { |
| /* Only 2 PCIe ports used on ICON, so the last one is 1 */ |
| return 1; |
| } |
| |
| /* |
| * Video |
| */ |
| #ifdef CONFIG_VIDEO_SM501 |
| #include <sm501.h> |
| |
| #define DISPLAY_WIDTH 640 |
| #define DISPLAY_HEIGHT 480 |
| |
| static const SMI_REGS sm502_init_regs[] = { |
| {0x00004, 0x0}, |
| {0x00040, 0x00021847}, |
| {0x00044, 0x091a0a01}, /* 24 MHz pixclk */ |
| {0x00054, 0x0}, |
| {0x00048, 0x00021847}, |
| {0x0004C, 0x091a0a01}, |
| {0x00054, 0x1}, |
| {0x80004, 0xc428bb17}, |
| {0x8000C, 0x00000000}, |
| {0x80010, 0x0a000a00}, |
| {0x80014, 0x02800000}, |
| {0x80018, 0x01e00000}, |
| {0x8001C, 0x00000000}, |
| {0x80020, 0x01e00280}, |
| {0x80024, 0x02fa027f}, |
| {0x80028, 0x004a0280}, |
| {0x8002C, 0x020c01df}, |
| {0x80030, 0x000201e7}, |
| {0x80200, 0x00010000}, |
| {0x00008, 0x20000000}, /* gpio29 is pwm0, LED_PWM */ |
| {0x0000C, 0x3f000000}, /* gpio56 - gpio61 as flat panel data pins */ |
| {0x10020, 0x25725728}, /* 20 kHz pwm0, 50 % duty cycle, disabled */ |
| {0x80000, 0x0f010106}, /* vsync & hsync pos, disp on */ |
| {0, 0} |
| }; |
| |
| /* |
| * Return a pointer to the register initialization table. |
| */ |
| const SMI_REGS *board_get_regs(void) |
| { |
| return sm502_init_regs; |
| } |
| |
| int board_get_width(void) |
| { |
| return DISPLAY_WIDTH; |
| } |
| |
| int board_get_height(void) |
| { |
| return DISPLAY_HEIGHT; |
| } |
| |
| #ifdef CONFIG_CONSOLE_EXTRA_INFO |
| /* |
| * Return text to be printed besides the logo. |
| */ |
| void video_get_info_str(int line_number, char *info) |
| { |
| if (line_number == 1) |
| strcpy(info, " Board: ICON"); |
| else |
| info[0] = '\0'; |
| } |
| #endif |
| |
| #endif /* CONFIG_VIDEO_SM501 */ |
