/*
- * (C) Copyright 2006-2007
+ * (C) Copyright 2006-2009
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* (C) Copyright 2006
DECLARE_GLOBAL_DATA_PTR;
+#if !defined(CONFIG_SYS_NO_FLASH)
extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+#endif
+
+extern void __ft_board_setup(void *blob, bd_t *bd);
+ulong flash_get_size(ulong base, int banknum);
-ulong flash_get_size (ulong base, int banknum);
+static inline u32 get_async_pci_freq(void)
+{
+ if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) &
+ CONFIG_SYS_BCSR5_PCI66EN)
+ return 66666666;
+ else
+ return 33333333;
+}
int board_early_init_f(void)
{
u32 sdr0_pfc1, sdr0_pfc2;
u32 reg;
- mtdcr(ebccfga, xbcfg);
- mtdcr(ebccfgd, 0xb8400000);
+ mtdcr(EBC0_CFGADDR, EBC0_CFG);
+ mtdcr(EBC0_CFGDATA, 0xb8400000);
/*
* 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 */
+
+ /* Check and reconfigure the PCI sync clock if necessary */
+ ppc4xx_pci_sync_clock_config(get_async_pci_freq());
/* 50MHz tmrclk */
out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x04, 0x00);
mtsdr(SDR0_PFC1, sdr0_pfc1);
/* PCI arbiter enabled */
- mfsdr(sdr_pci0, reg);
- mtsdr(sdr_pci0, 0x80000000 | reg);
+ mfsdr(SDR0_PCI0, reg);
+ mtsdr(SDR0_PCI0, 0x80000000 | reg);
/* setup NAND FLASH */
mfsdr(SDR0_CUST0, sdr0_cust0);
int misc_init_r(void)
{
+#if !defined(CONFIG_SYS_NO_FLASH)
uint pbcr;
int size_val = 0;
- u32 reg;
+#endif
#ifdef CONFIG_440EPX
unsigned long usb2d0cr = 0;
unsigned long usb2phy0cr, usb2h0cr = 0;
unsigned long sdr0_pfc1;
char *act = getenv("usbact");
#endif
+ u32 reg;
+#if !defined(CONFIG_SYS_NO_FLASH)
/* Re-do flash sizing to get full correct info */
/* adjust flash start and offset */
gd->bd->bi_flashoffset = 0;
#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
- mtdcr(ebccfga, pb3cr);
+ mtdcr(EBC0_CFGADDR, PB3CR);
#else
- mtdcr(ebccfga, pb0cr);
+ mtdcr(EBC0_CFGADDR, PB0CR);
#endif
- pbcr = mfdcr(ebccfgd);
+ pbcr = mfdcr(EBC0_CFGDATA);
size_val = ffs(gd->bd->bi_flashsize) - 21;
pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
- mtdcr(ebccfga, pb3cr);
+ mtdcr(EBC0_CFGADDR, PB3CR);
#else
- mtdcr(ebccfga, pb0cr);
+ mtdcr(EBC0_CFGADDR, PB0CR);
#endif
- mtdcr(ebccfgd, pbcr);
+ mtdcr(EBC0_CFGDATA, pbcr);
/*
* Re-check to get correct base address
CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1,
&flash_info[0]);
#endif
+#endif /* CONFIG_SYS_NO_FLASH */
/*
* USB suff...
* This fix will make the MAL burst disabling patch for the Linux
* EMAC driver obsolete.
*/
- reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
- mtdcr(plb4_acr, reg);
+ reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP;
+ mtdcr(PLB4_ACR, reg);
return 0;
}
{
char *s = getenv("serial#");
u8 rev;
- u8 val;
+ u32 clock = get_async_pci_freq();
#ifdef CONFIG_440EPX
printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
#endif
rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0));
- val = in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) & CONFIG_SYS_BCSR5_PCI66EN;
- printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
+ printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000);
if (s != NULL) {
puts(", serial# ");
}
putc('\n');
+ /*
+ * Reconfiguration of the PCI sync clock is already done,
+ * now check again if everything is in range:
+ */
+ if (ppc4xx_pci_sync_clock_config(clock)) {
+ printf("ERROR: PCI clocking incorrect (async=%d "
+ "sync=%ld)!\n", clock, get_PCI_freq());
+ }
+
return (0);
}
/*
* Assign interrupts to PCI devices.
*/
-void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
+void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
{
pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
}
#endif
+#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_SYS_RAMBOOT)
/*
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
- */
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
- unsigned long addr;
-
- /*
- * Set priority for all PLB3 devices to 0.
- * Set PLB3 arbiter to fair mode.
- */
- mfsdr(sdr_amp1, addr);
- mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
- addr = mfdcr(plb3_acr);
- mtdcr(plb3_acr, addr | 0x80000000);
-
- /*
- * Set priority for all PLB4 devices to 0.
- */
- mfsdr(sdr_amp0, addr);
- mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
- addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
- mtdcr(plb4_acr, addr);
-
- /*
- * Set Nebula PLB4 arbiter to fair mode.
- */
- /* Segment0 */
- addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
- addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
- addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
- addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
- mtdcr(plb0_acr, addr);
-
- /* Segment1 */
- addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
- addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
- addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
- addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
- mtdcr(plb1_acr, addr);
-
-#ifdef CONFIG_PCI_PNP
- hose->fixup_irq = sequoia_pci_fixup_irq;
-#endif
- return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-/*
- * 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.
- */
-#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
-void pci_target_init(struct pci_controller *hose)
-{
- /*
- * 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.
- */
- out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */
- /* - disabled b4 setting */
- out32r(PCIX0_PMM0LA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 Local Address */
- out32r(PCIX0_PMM0PCILA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 PCI Low Address */
- out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
- out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, */
- /* and enable region */
-
- out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute */
- /* - disabled b4 setting */
- out32r(PCIX0_PMM1LA, CONFIG_SYS_PCI_MEMBASE2); /* PMM0 Local Address */
- out32r(PCIX0_PMM1PCILA, CONFIG_SYS_PCI_MEMBASE2); /* PMM0 PCI Low Address */
- out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
- out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, */
- /* and enable region */
-
- 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);
-
-}
-#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
-
-#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT)
-void pci_master_init(struct pci_controller *hose)
-{
- unsigned short temp_short;
-
- /*
- * 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);
-}
-#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT) */
-
-/*
- * 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.
+ * On NAND-booting sequoia, we need to patch the chips select numbers
+ * in the dtb (CS0 - NAND, CS3 - NOR)
*/
-#if defined(CONFIG_PCI)
-int is_pci_host(struct pci_controller *hose)
+void ft_board_setup(void *blob, bd_t *bd)
{
- /* Cactus is always configured as host. */
- return (1);
-}
-#endif /* defined(CONFIG_PCI) */
+ int rc;
+ int len;
+ int nodeoffset;
+ struct fdt_property *prop;
+ u32 *reg;
+ char path[32];
+
+ /* First do common fdt setup */
+ __ft_board_setup(blob, bd);
+
+ /* And now configure NOR chip select to 3 instead of 0 */
+ strcpy(path, "/plb/opb/ebc/nor_flash@0,0");
+ nodeoffset = fdt_path_offset(blob, path);
+ prop = fdt_get_property_w(blob, nodeoffset, "reg", &len);
+ if (prop == NULL) {
+ printf("Unable to update NOR chip select for NAND booting\n");
+ return;
+ }
+ reg = (u32 *)&prop->data[0];
+ reg[0] = 3;
+ rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1);
+ if (rc) {
+ printf("Unable to update property NOR mappings, err=%s\n",
+ fdt_strerror(rc));
+ return;
+ }
-#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 */
+ /* And now configure NAND chip select to 0 instead of 3 */
+ strcpy(path, "/plb/opb/ebc/ndfc@3,0");
+ nodeoffset = fdt_path_offset(blob, path);
+ prop = fdt_get_property_w(blob, nodeoffset, "reg", &len);
+ if (prop == NULL) {
+ printf("Unable to update NDFC chip select for NAND booting\n");
+ return;
+ }
+ reg = (u32 *)&prop->data[0];
+ reg[0] = 0;
+ rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1);
+ if (rc) {
+ printf("Unable to update property NDFC mappings, err=%s\n",
+ fdt_strerror(rc));
+ return;
+ }
}
-#endif /* CONFIG_POST */
+#endif /* CONFIG_NAND_U_BOOT */
projects / karo-tx-uboot.git / blobdiff