diff options
Diffstat (limited to 'board/gdsys/405ex/405ex.c')
| -rw-r--r-- | board/gdsys/405ex/405ex.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/board/gdsys/405ex/405ex.c b/board/gdsys/405ex/405ex.c new file mode 100644 index 0000000000..0d25214f42 --- /dev/null +++ b/board/gdsys/405ex/405ex.c @@ -0,0 +1,250 @@ +#include <common.h> +#include <asm/ppc4xx.h> +#include <asm/ppc405.h> +#include <asm/processor.h> +#include <asm/io.h> + +#include <gdsys_fpga.h> + +#include "405ex.h" + +#define REFLECTION_TESTPATTERN 0xdede +#define REFLECTION_TESTPATTERN_INV (~REFLECTION_TESTPATTERN & 0xffff) + +DECLARE_GLOBAL_DATA_PTR; + +int get_fpga_state(unsigned dev) +{ + return gd->fpga_state[dev]; +} + +void print_fpga_state(unsigned dev) +{ + if (gd->fpga_state[dev] & FPGA_STATE_DONE_FAILED) + puts(" Waiting for FPGA-DONE timed out.\n"); + if (gd->fpga_state[dev] & FPGA_STATE_REFLECTION_FAILED) + puts(" FPGA reflection test failed.\n"); +} + +int board_early_init_f(void) +{ + u32 val; + + /*--------------------------------------------------------------------+ + | Interrupt controller setup + +--------------------------------------------------------------------+ + +---------------------------------------------------------------------+ + |Interrupt| Source | Pol. | Sensi.| Crit. | + +---------+-----------------------------------+-------+-------+-------+ + | IRQ 00 | UART0 | High | Level | Non | + | IRQ 01 | UART1 | High | Level | Non | + | IRQ 02 | IIC0 | High | Level | Non | + | IRQ 03 | TBD | High | Level | Non | + | IRQ 04 | TBD | High | Level | Non | + | IRQ 05 | EBM | High | Level | Non | + | IRQ 06 | BGI | High | Level | Non | + | IRQ 07 | IIC1 | Rising| Edge | Non | + | IRQ 08 | SPI | High | Lvl/ed| Non | + | IRQ 09 | External IRQ 0 - (PCI-Express) | pgm H | Pgm | Non | + | IRQ 10 | MAL TX EOB | High | Level | Non | + | IRQ 11 | MAL RX EOB | High | Level | Non | + | IRQ 12 | DMA Channel 0 FIFO Full | High | Level | Non | + | IRQ 13 | DMA Channel 0 Stat FIFO | High | Level | Non | + | IRQ 14 | DMA Channel 1 FIFO Full | High | Level | Non | + | IRQ 15 | DMA Channel 1 Stat FIFO | High | Level | Non | + | IRQ 16 | PCIE0 AL | high | Level | Non | + | IRQ 17 | PCIE0 VPD access | rising| Edge | Non | + | IRQ 18 | PCIE0 hot reset request | rising| Edge | Non | + | IRQ 19 | PCIE0 hot reset request | faling| Edge | Non | + | IRQ 20 | PCIE0 TCR | High | Level | Non | + | IRQ 21 | PCIE0 MSI level0 | High | Level | Non | + | IRQ 22 | PCIE0 MSI level1 | High | Level | Non | + | IRQ 23 | Security EIP-94 | High | Level | Non | + | IRQ 24 | EMAC0 interrupt | High | Level | Non | + | IRQ 25 | EMAC1 interrupt | High | Level | Non | + | IRQ 26 | PCIE0 MSI level2 | High | Level | Non | + | IRQ 27 | External IRQ 4 | pgm H | Pgm | Non | + | IRQ 28 | UIC2 Non-critical Int. | High | Level | Non | + | IRQ 29 | UIC2 Critical Interrupt | High | Level | Crit. | + | IRQ 30 | UIC1 Non-critical Int. | High | Level | Non | + | IRQ 31 | UIC1 Critical Interrupt | High | Level | Crit. | + |---------------------------------------------------------------------- + | IRQ 32 | MAL Serr | High | Level | Non | + | IRQ 33 | MAL Txde | High | Level | Non | + | IRQ 34 | MAL Rxde | High | Level | Non | + | IRQ 35 | PCIE0 bus master VC0 |falling| Edge | Non | + | IRQ 36 | PCIE0 DCR Error | High | Level | Non | + | IRQ 37 | EBC | High |Lvl Edg| Non | + | IRQ 38 | NDFC | High | Level | Non | + | IRQ 39 | GPT Compare Timer 8 | Risin | Edge | Non | + | IRQ 40 | GPT Compare Timer 9 | Risin | Edge | Non | + | IRQ 41 | PCIE1 AL | high | Level | Non | + | IRQ 42 | PCIE1 VPD access | rising| edge | Non | + | IRQ 43 | PCIE1 hot reset request | rising| Edge | Non | + | IRQ 44 | PCIE1 hot reset request | faling| Edge | Non | + | IRQ 45 | PCIE1 TCR | High | Level | Non | + | IRQ 46 | PCIE1 bus master VC0 |falling| Edge | Non | + | IRQ 47 | GPT Compare Timer 3 | Risin | Edge | Non | + | IRQ 48 | GPT Compare Timer 4 | Risin | Edge | Non | + | IRQ 49 | Ext. IRQ 7 |pgm/Fal|pgm/Lvl| Non | + | IRQ 50 | Ext. IRQ 8 - |pgm (H)|pgm/Lvl| Non | + | IRQ 51 | Ext. IRQ 9 |pgm (H)|pgm/Lvl| Non | + | IRQ 52 | GPT Compare Timer 5 | high | Edge | Non | + | IRQ 53 | GPT Compare Timer 6 | high | Edge | Non | + | IRQ 54 | GPT Compare Timer 7 | high | Edge | Non | + | IRQ 55 | Serial ROM | High | Level | Non | + | IRQ 56 | GPT Decrement Pulse | High | Level | Non | + | IRQ 57 | Ext. IRQ 2 |pgm/Fal|pgm/Lvl| Non | + | IRQ 58 | Ext. IRQ 5 |pgm/Fal|pgm/Lvl| Non | + | IRQ 59 | Ext. IRQ 6 |pgm/Fal|pgm/Lvl| Non | + | IRQ 60 | EMAC0 Wake-up | High | Level | Non | + | IRQ 61 | Ext. IRQ 1 |pgm/Fal|pgm/Lvl| Non | + | IRQ 62 | EMAC1 Wake-up | 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 | + |--------------------------------------------------------------------- + +---------+-----------------------------------+-------+-------+------*/ + /*--------------------------------------------------------------------+ + | 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(UIC2SR, 0xffffffff); /* Clear all interrupts */ + mtdcr(UIC2ER, 0x00000000); /* disable all interrupts */ + mtdcr(UIC2CR, 0x00000000); /* Set Critical / Non Critical interrupts */ + mtdcr(UIC2PR, 0xf7ffffff); /* Set Interrupt Polarities */ + mtdcr(UIC2TR, 0x01e1fff8); /* Set Interrupt Trigger Levels */ + mtdcr(UIC2VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ + 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 interrupts */ + mtdcr(UIC1PR, 0xfffac785); /* Set Interrupt Polarities */ + mtdcr(UIC1TR, 0x001d0040); /* Set Interrupt Trigger Levels */ + mtdcr(UIC1VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ + mtdcr(UIC1SR, 0x00000000); /* clear all interrupts */ + mtdcr(UIC1SR, 0xffffffff); /* clear all interrupts */ + + mtdcr(UIC0SR, 0xffffffff); /* Clear all interrupts */ + mtdcr(UIC0ER, 0x0000000a); /* Disable all interrupts */ + /* Except cascade UIC0 and UIC1 */ + mtdcr(UIC0CR, 0x00000000); /* Set Critical / Non Critical interrupts */ + mtdcr(UIC0PR, 0xffbfefef); /* Set Interrupt Polarities */ + mtdcr(UIC0TR, 0x00007000); /* Set Interrupt Trigger Levels */ + mtdcr(UIC0VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */ + mtdcr(UIC0SR, 0x00000000); /* clear all interrupts */ + mtdcr(UIC0SR, 0xffffffff); /* clear all interrupts */ + + /* + * Note: Some cores are still in reset when the chip starts, so + * take them out of reset + */ + mtsdr(SDR0_SRST, 0); + + /* + * Configure PFC (Pin Function Control) registers + */ + val = SDR0_PFC1_GPT_FREQ; + mtsdr(SDR0_PFC1, val); + + return 0; +} + +int board_early_init_r(void) +{ + unsigned k; + unsigned ctr; + + for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) + gd->fpga_state[k] = 0; + + /* + * reset FPGA + */ + gd405ex_init(); + + gd405ex_set_fpga_reset(1); + + gd405ex_setup_hw(); + + for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) { + ctr = 0; + while (!gd405ex_get_fpga_done(k)) { + udelay(100000); + if (ctr++ > 5) { + gd->fpga_state[k] |= FPGA_STATE_DONE_FAILED; + break; + } + } + } + + udelay(10); + + gd405ex_set_fpga_reset(0); + + for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) { + ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(k); +#ifdef CONFIG_SYS_FPGA_NO_RFL_HI + u16 *reflection_target = &fpga->reflection_low; +#else + u16 *reflection_target = &fpga->reflection_high; +#endif + /* + * wait for fpga out of reset + */ + ctr = 0; + while (1) { + out_le16(&fpga->reflection_low, + REFLECTION_TESTPATTERN); + + if (in_le16(reflection_target) == + REFLECTION_TESTPATTERN_INV) + break; + + udelay(100000); + if (ctr++ > 5) { + gd->fpga_state[k] |= + FPGA_STATE_REFLECTION_FAILED; + break; + } + } + } + + return 0; +} |