#include <asm/processor.h>
#include <ppc440.h>
#include <asm/io.h>
+#include <asm/4xx_pci.h>
+
#include "../common/nm.h"
DECLARE_GLOBAL_DATA_PTR;
/*
* Setup the interrupt controller polarities, triggers, etc.
*/
- mtdcr(uic0sr, 0xffffffff); /* clear all */
- mtdcr(uic0er, 0x00000000); /* disable all */
- mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
- mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */
- mtdcr(uic0tr, 0x00000000); /* per ref-board manual */
- mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */
- mtdcr(uic0sr, 0xffffffff); /* clear all */
-
- mtdcr(uic1sr, 0xffffffff); /* clear all */
- mtdcr(uic1er, 0x00000000); /* disable all */
- mtdcr(uic1cr, 0x00000000); /* all non-critical */
- mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */
- mtdcr(uic1tr, 0x00000000); /* per ref-board manual */
- mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */
- mtdcr(uic1sr, 0xffffffff); /* clear all */
-
- mtdcr(uic2sr, 0xffffffff); /* clear all */
- mtdcr(uic2er, 0x00000000); /* disable all */
- mtdcr(uic2cr, 0x00000000); /* all non-critical */
- mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */
- mtdcr(uic2tr, 0x00000000); /* per ref-board manual */
- mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
- mtdcr(uic2sr, 0xffffffff); /* clear all */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+ mtdcr(UIC0ER, 0x00000000); /* disable all */
+ mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
+ mtdcr(UIC0PR, 0xfffff7ff); /* per ref-board manual */
+ mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+ mtdcr(UIC1ER, 0x00000000); /* disable all */
+ mtdcr(UIC1CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC2SR, 0xffffffff); /* clear all */
+ mtdcr(UIC2ER, 0x00000000); /* disable all */
+ mtdcr(UIC2CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */
+ mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */
+ mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(UIC2SR, 0xffffffff); /* clear all */
mtsdr(SDR0_PFC0, 0x00003E00); /* Pin function: */
mtsdr(SDR0_PFC1, 0x00848000); /* Pin function: UART0 has 4 pins */
}
/*
- * pci_target_init
- *
- * The bootstrap configuration provides default settings for the pci
- * inbound map (PIM). But the bootstrap config choices are limited and
- * may not be sufficient for a given board.
- *
- */
-void pci_target_init(struct pci_controller *hose)
-{
- if (!board_with_pci()) { return; }
- /*
- * Set up Direct MMIO registers
- *
- * PowerPC440EPX PCI Master configuration.
- * Map one 1Gig range of PLB/processor addresses to PCI memory space.
- * PLB address 0xA0000000-0xDFFFFFFF ==> PCI address
- * 0xA0000000-0xDFFFFFFF
- * Use byte reversed out routines to handle endianess.
- * Make this region non-prefetchable.
- */
- /* PMM0 Mask/Attribute - disabled b4 setting */
- out32r(PCIX0_PMM0MA, 0x00000000);
- out32r(PCIX0_PMM0LA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 Local Address */
- /* PMM0 PCI Low Address */
- out32r(PCIX0_PMM0PCILA, CONFIG_SYS_PCI_MEMBASE);
- out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
- /* 512M + No prefetching, and enable region */
- out32r(PCIX0_PMM0MA, 0xE0000001);
-
- /* PMM0 Mask/Attribute - disabled b4 setting */
- out32r(PCIX0_PMM1MA, 0x00000000);
- out32r(PCIX0_PMM1LA, CONFIG_SYS_PCI_MEMBASE2); /* PMM0 Local Address */
- /* PMM0 PCI Low Address */
- out32r(PCIX0_PMM1PCILA, CONFIG_SYS_PCI_MEMBASE2);
- out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
- /* 512M + No prefetching, and enable region */
- out32r(PCIX0_PMM1MA, 0xE0000001);
-
- out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
- out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
- out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
- out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
-
- /*
- * Set up Configuration registers
- */
-
- /* Program the board's subsystem id/vendor id */
- pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
- CONFIG_SYS_PCI_SUBSYS_VENDORID);
- pci_write_config_word(0, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_ID);
-
- /* Configure command register as bus master */
- pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
-
- /* 240nS PCI clock */
- pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
-
- /* No error reporting */
- pci_write_config_word(0, PCI_ERREN, 0);
-
- pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
-}
-
-/*
- * pci_master_init
- *
+ * Override weak default pci_master_init()
*/
void pci_master_init(struct pci_controller *hose)
{
- unsigned short temp_short;
- if (!board_with_pci()) { return; }
-
- /*---------------------------------------------------------------
- * Write the PowerPC440 EP PCI Configuration regs.
- * Enable PowerPC440 EP to be a master on the PCI bus (PMM).
- * Enable PowerPC440 EP to act as a PCI memory target (PTM).
- *--------------------------------------------------------------*/
- pci_read_config_word(0, PCI_COMMAND, &temp_short);
- pci_write_config_word(0, PCI_COMMAND,
- temp_short | PCI_COMMAND_MASTER |
- PCI_COMMAND_MEMORY);
-}
+ if (!board_with_pci())
+ return;
-/*
- * is_pci_host
- *
- * This routine is called to determine if a pci scan should be
- * performed. With various hardware environments (especially cPCI and
- * PPMC) it's insufficient to depend on the state of the arbiter enable
- * bit in the strap register, or generic host/adapter assumptions.
- *
- * Rather than hard-code a bad assumption in the general 440 code, the
- * 440 pci code requires the board to decide at runtime.
- *
- * Return 0 for adapter mode, non-zero for host (monarch) mode.
- *
- */
-int is_pci_host(struct pci_controller *hose)
-{
- return 1;
+ __pci_master_init(hose);
}
#endif /* defined(CONFIG_PCI) */
-#if defined(CONFIG_POST)
-/*
- * Returns 1 if keys pressed to start the power-on long-running tests
- * Called from board_init_f().
- */
-int post_hotkeys_pressed(void)
-{
- return 0; /* No hotkeys supported */
-}
-#endif /* CONFIG_POST */
-
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
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