ppc4xx: Bring 4xx fdt support up-to-date
[platform/kernel/u-boot.git] / board / amcc / sequoia / sequoia.c
index a8ba2c0..f81f071 100644 (file)
@@ -1,10 +1,10 @@
 /*
- * (C) Copyright 2006
+ * (C) Copyright 2006-2007
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * (C) Copyright 2006
  * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
- * Alain Saurel,            AMCC/IBM, alain.saurel@fr.ibm.com
+ * Alain Saurel,           AMCC/IBM, alain.saurel@fr.ibm.com
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  */
 
 #include <common.h>
-#include <asm/processor.h>
+#include <libfdt.h>
+#include <fdt_support.h>
 #include <ppc440.h>
-#include "sequoia.h"
+#include <asm/processor.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips   */
 
+ulong flash_get_size (ulong base, int banknum);
+
 int board_early_init_f(void)
 {
-       unsigned long sdr0_cust0;
-       unsigned long sdr0_pfc1, sdr0_pfc2;
-       register uint reg;
+       u32 sdr0_cust0;
+       u32 sdr0_pfc1, sdr0_pfc2;
+       u32 reg;
 
        mtdcr(ebccfga, xbcfg);
        mtdcr(ebccfgd, 0xb8400000);
@@ -123,12 +127,12 @@ int board_early_init_f(void)
 
        /* setup NAND FLASH */
        mfsdr(SDR0_CUST0, sdr0_cust0);
-        sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL   |
+       sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL    |
                SDR0_CUST0_NDFC_ENABLE          |
                SDR0_CUST0_NDFC_BW_8_BIT        |
                SDR0_CUST0_NDFC_ARE_MASK        |
                (0x80000000 >> (28 + CFG_NAND_CS));
-        mtsdr(SDR0_CUST0, sdr0_cust0);
+       mtsdr(SDR0_CUST0, sdr0_cust0);
 
        return 0;
 }
@@ -140,6 +144,7 @@ int misc_init_r(void)
 {
        uint pbcr;
        int size_val = 0;
+       u32 reg;
 #ifdef CONFIG_440EPX
        unsigned long usb2d0cr = 0;
        unsigned long usb2phy0cr, usb2h0cr = 0;
@@ -152,6 +157,11 @@ int misc_init_r(void)
         */
 
        /* Re-do sizing to get full correct info */
+
+       /* adjust flash start and offset */
+       gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+       gd->bd->bi_flashoffset = 0;
+
 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
        mtdcr(ebccfga, pb3cr);
 #else
@@ -192,9 +202,10 @@ int misc_init_r(void)
 #endif
        mtdcr(ebccfgd, pbcr);
 
-       /* adjust flash start and offset */
-       gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
-       gd->bd->bi_flashoffset = 0;
+       /*
+        * Re-check to get correct base address
+        */
+       flash_get_size(gd->bd->bi_flashstart, 0);
 
 #ifdef CFG_ENV_IS_IN_FLASH
        /* Monitor protection ON by default */
@@ -216,38 +227,38 @@ int misc_init_r(void)
 #ifdef CONFIG_440EPX
        if (act == NULL || strcmp(act, "hostdev") == 0) {
                /* SDR Setting */
-               mfsdr(SDR0_PFC1, sdr0_pfc1);
-               mfsdr(SDR0_USB0, usb2d0cr);
-               mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
-               mfsdr(SDR0_USB2H0CR, usb2h0cr);
+               mfsdr(SDR0_PFC1, sdr0_pfc1);
+               mfsdr(SDR0_USB2D0CR, usb2d0cr);
+               mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+               mfsdr(SDR0_USB2H0CR, usb2h0cr);
 
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
                usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;       /*0*/
-               usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;    /*1*/
+               usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;    /*1*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;         /*0*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;         /*0*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;          /*1*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;          /*1*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;          /*1*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;          /*1*/
 
                /* An 8-bit/60MHz interface is the only possible alternative
                   when connecting the Device to the PHY */
-               usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
-               usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;        /*1*/
+               usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
+               usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;        /*1*/
 
-               /* To enable the USB 2.0 Device function through the UTMI interface */
-               usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
-               usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;          /*1*/
+               /* To enable the USB 2.0 Device function through the UTMI interface */
+               usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
+               usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;          /*1*/
 
-               sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
-               sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;                /*0*/
+               sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
+               sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;                /*0*/
 
-               mtsdr(SDR0_PFC1, sdr0_pfc1);
-               mtsdr(SDR0_USB0, usb2d0cr);
-               mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
-               mtsdr(SDR0_USB2H0CR, usb2h0cr);
+               mtsdr(SDR0_PFC1, sdr0_pfc1);
+               mtsdr(SDR0_USB2D0CR, usb2d0cr);
+               mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+               mtsdr(SDR0_USB2H0CR, usb2h0cr);
 
                /*clear resets*/
                udelay (1000);
@@ -264,11 +275,11 @@ int misc_init_r(void)
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
                usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;       /*0*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;         /*0*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;         /*0*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;          /*1*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;          /*1*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;          /*1*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;          /*1*/
                mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
 
                udelay (1000);
@@ -287,34 +298,34 @@ int misc_init_r(void)
                /*-------------------PATCH-------------------------------*/
 
                /* SDR Setting */
-               mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+               mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
                mfsdr(SDR0_USB2H0CR, usb2h0cr);
-               mfsdr(SDR0_USB0, usb2d0cr);
+               mfsdr(SDR0_USB2D0CR, usb2d0cr);
                mfsdr(SDR0_PFC1, sdr0_pfc1);
 
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
                usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;       /*0*/
-               usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
+               usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
                usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;     /*0*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;          /*1*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;          /*1*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;           /*0*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;           /*0*/
                usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
-               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;           /*0*/
+               usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;           /*0*/
 
                usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
-               usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;         /*0*/
+               usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;         /*0*/
 
                usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
-               usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;              /*0*/
+               usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;              /*0*/
 
                sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
-               sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;                /*1*/
+               sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;                /*1*/
 
-               mtsdr(SDR0_USB2H0CR, usb2h0cr);
-               mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
-               mtsdr(SDR0_USB0, usb2d0cr);
+               mtsdr(SDR0_USB2H0CR, usb2h0cr);
+               mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
+               mtsdr(SDR0_USB2D0CR, usb2d0cr);
                mtsdr(SDR0_PFC1, sdr0_pfc1);
 
                /*clear resets*/
@@ -327,18 +338,37 @@ int misc_init_r(void)
        }
 #endif /* CONFIG_440EPX */
 
+       mfsdr(SDR0_SRST1, reg);         /* enable security/kasumi engines */
+       reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
+       mtsdr(SDR0_SRST1, reg);
+
+       /*
+        * Clear PLB4A0_ACR[WRP]
+        * 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);
+
        return 0;
 }
 
 int checkboard(void)
 {
        char *s = getenv("serial#");
+       u8 rev;
+       u8 val;
 
 #ifdef CONFIG_440EPX
        printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
 #else
        printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
 #endif
+
+       rev = in_8((void *)(CFG_BCSR_BASE + 0));
+       val = in_8((void *)(CFG_BCSR_BASE + 5)) & CFG_BCSR5_PCI66EN;
+       printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
+
        if (s != NULL) {
                puts(", serial# ");
                puts(s);
@@ -398,23 +428,10 @@ int testdram(void)
  *     certain pre-initialization actions.
  *
  ************************************************************************/
-#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT)
+#if defined(CONFIG_PCI)
 int pci_pre_init(struct pci_controller *hose)
 {
        unsigned long addr;
-#if 0
-       /*--------------------------------------------------------------------------+
-        *      Cactus is always configured as the host & requires the
-        *      PCI arbiter to be enabled ???
-        *--------------------------------------------------------------------------*/
-       unsigned long strap;
-       mfsdr(sdr_sdstp1, strap);
-       if ((strap & SDR0_SDSTP1_PAE_MASK) == 0) {
-               printf("PCI: SDR0_STRP1[PAE] not set.\n");
-               printf("PCI: Configuration aborted.\n");
-               return 0;
-       }
-#endif
 
        /*-------------------------------------------------------------------------+
          | Set priority for all PLB3 devices to 0.
@@ -452,7 +469,7 @@ int pci_pre_init(struct pci_controller *hose)
 
        return 1;
 }
-#endif                         /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+#endif /* defined(CONFIG_PCI) */
 
 /*************************************************************************
  *  pci_target_init
@@ -558,3 +575,34 @@ int is_pci_host(struct pci_controller *hose)
        return (1);
 }
 #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)
+{
+       u32 val[4];
+       int rc;
+
+       ft_cpu_setup(blob, bd);
+
+       /* Fixup NOR mapping */
+       val[0] = 0;                             /* chip select number */
+       val[1] = 0;                             /* always 0 */
+       val[2] = gd->bd->bi_flashstart;
+       val[3] = gd->bd->bi_flashsize;
+       rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
+                                 val, sizeof(val), 1);
+       if (rc)
+               printf("Unable to update property NOR mapping, err=%s\n",
+                      fdt_strerror(rc));
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */