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@@ -4,7 +4,7 @@
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*
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* (C) Copyright 2006
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* Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
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- * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
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+ * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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@@ -29,11 +29,12 @@
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#include <asm/gpio.h>
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#include <asm/processor.h>
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#include <asm/io.h>
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+#include <asm/bitops.h>
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#include <asm/ppc4xx-intvec.h>
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DECLARE_GLOBAL_DATA_PTR;
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-extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
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+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
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ulong flash_get_size (ulong base, int banknum);
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@@ -46,9 +47,9 @@ int board_early_init_f(void)
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mtdcr(ebccfga, xbcfg);
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mtdcr(ebccfgd, 0xb8400000);
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- /*--------------------------------------------------------------------
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+ /*
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* Setup the interrupt controller polarities, triggers, etc.
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- *-------------------------------------------------------------------*/
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+ */
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mtdcr(uic0sr, 0xffffffff); /* clear all */
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mtdcr(uic0er, 0x00000000); /* disable all */
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mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
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@@ -87,9 +88,11 @@ int board_early_init_f(void)
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/* select Ethernet pins */
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mfsdr(SDR0_PFC1, sdr0_pfc1);
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- sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | SDR0_PFC1_SELECT_CONFIG_4;
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+ sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
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+ SDR0_PFC1_SELECT_CONFIG_4;
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mfsdr(SDR0_PFC2, sdr0_pfc2);
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- sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | SDR0_PFC2_SELECT_CONFIG_4;
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+ sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
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+ SDR0_PFC2_SELECT_CONFIG_4;
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mtsdr(SDR0_PFC2, sdr0_pfc2);
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mtsdr(SDR0_PFC1, sdr0_pfc1);
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@@ -109,9 +112,6 @@ int board_early_init_f(void)
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return 0;
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}
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-/*---------------------------------------------------------------------------+
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- | misc_init_r.
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- +---------------------------------------------------------------------------*/
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int misc_init_r(void)
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{
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uint pbcr;
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@@ -124,11 +124,7 @@ int misc_init_r(void)
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char *act = getenv("usbact");
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#endif
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- /*
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- * FLASH stuff...
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- */
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-
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- /* Re-do sizing to get full correct info */
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+ /* Re-do flash sizing to get full correct info */
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/* adjust flash start and offset */
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gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
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@@ -140,32 +136,7 @@ int misc_init_r(void)
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mtdcr(ebccfga, pb0cr);
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#endif
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pbcr = mfdcr(ebccfgd);
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- switch (gd->bd->bi_flashsize) {
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- case 1 << 20:
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- size_val = 0;
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- break;
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- case 2 << 20:
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- size_val = 1;
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- break;
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- case 4 << 20:
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- size_val = 2;
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- break;
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- case 8 << 20:
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- size_val = 3;
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- break;
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- case 16 << 20:
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- size_val = 4;
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- break;
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- case 32 << 20:
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- size_val = 5;
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- break;
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- case 64 << 20:
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- size_val = 6;
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- break;
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- case 128 << 20:
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- size_val = 7;
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- break;
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- }
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+ size_val = ffs(gd->bd->bi_flashsize) - 21;
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pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
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#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
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mtdcr(ebccfga, pb3cr);
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@@ -197,7 +168,7 @@ int misc_init_r(void)
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* USB suff...
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*/
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#ifdef CONFIG_440EPX
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- if (act == NULL || strcmp(act, "hostdev") == 0) {
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+ if (act == NULL || strcmp(act, "hostdev") == 0) {
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/* SDR Setting */
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mfsdr(SDR0_PFC1, sdr0_pfc1);
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mfsdr(SDR0_USB2D0CR, usb2d0cr);
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@@ -205,27 +176,32 @@ int misc_init_r(void)
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mfsdr(SDR0_USB2H0CR, usb2h0cr);
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
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- /* An 8-bit/60MHz interface is the only possible alternative
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- when connecting the Device to the PHY */
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+ /*
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+ * An 8-bit/60MHz interface is the only possible alternative
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+ * when connecting the Device to the PHY
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+ */
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usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
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- usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/
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+ usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
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- /* To enable the USB 2.0 Device function through the UTMI interface */
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+ /*
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+ * To enable the USB 2.0 Device function
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+ * through the UTMI interface
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+ */
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usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
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- usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION; /*1*/
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+ usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;
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sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
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- sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; /*0*/
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+ sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;
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mtsdr(SDR0_PFC1, sdr0_pfc1);
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mtsdr(SDR0_USB2D0CR, usb2d0cr);
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@@ -245,13 +221,13 @@ int misc_init_r(void)
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mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
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mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
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udelay (1000);
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@@ -276,31 +252,31 @@ int misc_init_r(void)
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mfsdr(SDR0_PFC1, sdr0_pfc1);
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; /*0*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; /*0*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
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- usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; /*0*/
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+ usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;
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usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
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- usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; /*0*/
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+ usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
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usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
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- usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; /*0*/
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+ usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;
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sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
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- sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL; /*1*/
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+ sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;
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mtsdr(SDR0_USB2H0CR, usb2h0cr);
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mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
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mtsdr(SDR0_USB2D0CR, usb2d0cr);
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mtsdr(SDR0_PFC1, sdr0_pfc1);
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- /*clear resets*/
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+ /* clear resets */
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udelay (1000);
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mtsdr(SDR0_SRST1, 0x00000000);
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udelay (1000);
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@@ -398,43 +374,42 @@ void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
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}
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#endif
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-/*************************************************************************
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- * pci_pre_init
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- *
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- * This routine is called just prior to registering the hose and gives
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- * the board the opportunity to check things. Returning a value of zero
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- * indicates that things are bad & PCI initialization should be aborted.
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+/*
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+ * pci_pre_init
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*
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- * Different boards may wish to customize the pci controller structure
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- * (add regions, override default access routines, etc) or perform
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- * certain pre-initialization actions.
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+ * This routine is called just prior to registering the hose and gives
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+ * the board the opportunity to check things. Returning a value of zero
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+ * indicates that things are bad & PCI initialization should be aborted.
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*
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- ************************************************************************/
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+ * Different boards may wish to customize the pci controller structure
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+ * (add regions, override default access routines, etc) or perform
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+ * certain pre-initialization actions.
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+ */
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#if defined(CONFIG_PCI)
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int pci_pre_init(struct pci_controller *hose)
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{
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unsigned long addr;
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- /*-------------------------------------------------------------------------+
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- | Set priority for all PLB3 devices to 0.
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- | Set PLB3 arbiter to fair mode.
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- +-------------------------------------------------------------------------*/
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+ /*
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+ * Set priority for all PLB3 devices to 0.
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+ * Set PLB3 arbiter to fair mode.
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+ */
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mfsdr(sdr_amp1, addr);
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mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
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addr = mfdcr(plb3_acr);
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mtdcr(plb3_acr, addr | 0x80000000);
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- /*-------------------------------------------------------------------------+
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- | Set priority for all PLB4 devices to 0.
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- +-------------------------------------------------------------------------*/
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+ /*
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+ * Set priority for all PLB4 devices to 0.
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+ */
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mfsdr(sdr_amp0, addr);
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mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
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addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
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mtdcr(plb4_acr, addr);
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- /*-------------------------------------------------------------------------+
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- | Set Nebula PLB4 arbiter to fair mode.
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- +-------------------------------------------------------------------------*/
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+ /*
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+ * Set Nebula PLB4 arbiter to fair mode.
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+ */
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/* Segment0 */
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addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
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addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
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@@ -456,47 +431,51 @@ int pci_pre_init(struct pci_controller *hose)
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}
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#endif /* defined(CONFIG_PCI) */
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-/*************************************************************************
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- * pci_target_init
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- *
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- * The bootstrap configuration provides default settings for the pci
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- * inbound map (PIM). But the bootstrap config choices are limited and
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- * may not be sufficient for a given board.
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+/*
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+ * pci_target_init
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*
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- ************************************************************************/
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+ * The bootstrap configuration provides default settings for the pci
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+ * inbound map (PIM). But the bootstrap config choices are limited and
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+ * may not be sufficient for a given board.
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+ */
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#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
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void pci_target_init(struct pci_controller *hose)
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{
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- /*--------------------------------------------------------------------------+
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+ /*
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* Set up Direct MMIO registers
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- *--------------------------------------------------------------------------*/
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- /*--------------------------------------------------------------------------+
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- | PowerPC440EPX PCI Master configuration.
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- | Map one 1Gig range of PLB/processor addresses to PCI memory space.
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- | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
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- | Use byte reversed out routines to handle endianess.
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- | Make this region non-prefetchable.
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- +--------------------------------------------------------------------------*/
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- out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
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+ */
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+ /*
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+ * PowerPC440EPX PCI Master configuration.
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+ * Map one 1Gig range of PLB/processor addresses to PCI memory space.
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+ * PLB address 0xA0000000-0xDFFFFFFF
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+ * ==> PCI address 0xA0000000-0xDFFFFFFF
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+ * Use byte reversed out routines to handle endianess.
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+ * Make this region non-prefetchable.
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+ */
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+ out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */
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+ /* - disabled b4 setting */
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out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
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- out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
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+ out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
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out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
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- out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
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+ out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, */
|
|
|
+ /* and enable region */
|
|
|
|
|
|
- out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
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+ out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute */
|
|
|
+ /* - disabled b4 setting */
|
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|
out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
|
|
|
- out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
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+ out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
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out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
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- out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
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+ out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, */
|
|
|
+ /* and enable region */
|
|
|
|
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|
out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
|
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- out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
|
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|
- out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
|
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- out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
|
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+ out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
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+ out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
|
|
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+ 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,
|
|
@@ -515,51 +494,46 @@ void pci_target_init(struct pci_controller *hose)
|
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|
pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
|
|
|
|
|
|
}
|
|
|
-#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
|
|
|
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
|
|
|
|
|
|
-/*************************************************************************
|
|
|
- * pci_master_init
|
|
|
- *
|
|
|
- ************************************************************************/
|
|
|
#if defined(CONFIG_PCI) && defined(CFG_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).
|
|
|
- +--------------------------------------------------------------------------*/
|
|
|
+ /*
|
|
|
+ * 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(CFG_PCI_MASTER_INIT) */
|
|
|
+#endif /* defined(CONFIG_PCI) && defined(CFG_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.
|
|
|
+/*
|
|
|
+ * is_pci_host
|
|
|
*
|
|
|
- * Return 0 for adapter mode, non-zero for host (monarch) mode.
|
|
|
+ * 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.
|
|
|
+ */
|
|
|
#if defined(CONFIG_PCI)
|
|
|
int is_pci_host(struct pci_controller *hose)
|
|
|
{
|
|
|
/* Cactus is always configured as host. */
|
|
|
return (1);
|
|
|
}
|
|
|
-#endif /* defined(CONFIG_PCI) */
|
|
|
+#endif /* defined(CONFIG_PCI) */
|
|
|
+
|
|
|
#if defined(CONFIG_POST)
|
|
|
/*
|
|
|
* Returns 1 if keys pressed to start the power-on long-running tests
|