* (C) Copyright 2005
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include "ocotea.h"
#include <asm/processor.h>
#include <spd_sdram.h>
-#include <ppc4xx_enet.h>
+#include <asm/ppc4xx-emac.h>
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f (void)
{
unsigned long mfr;
- unsigned char *fpga_base = (unsigned char *) CFG_FPGA_BASE;
+ unsigned char *fpga_base = (unsigned char *) CONFIG_SYS_FPGA_BASE;
unsigned char switch_status;
unsigned long cs0_base;
unsigned long cs0_size;
/*-------------------------------------------------------------------------+
| Initialize EBC CONFIG
+-------------------------------------------------------------------------*/
- mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
+ mtebc(EBC0_CFG, EBC_CFG_LE_UNLOCK |
EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK |
EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT |
/*-------------------------------------------------------------------------+
| FPGA. Initialize bank 7 with default values.
+-------------------------------------------------------------------------*/
- mtebc(pb7ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)|
+ mtebc(PB7AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)|
EBC_BXAP_BCE_DISABLE|
EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
EBC_BXAP_BEM_WRITEONLY|
EBC_BXAP_PEN_DISABLED);
- mtebc(pb7cr, EBC_BXCR_BAS_ENCODE(0x48300000)|
+ mtebc(PB7CR, EBC_BXCR_BAS_ENCODE(0x48300000)|
EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
/* read FPGA base register FPGA_REG0 */
/*-------------------------------------------------------------------------+
| 1 MB FLASH / 1 MB SRAM. Initialize bank 0 with default values.
+-------------------------------------------------------------------------*/
- mtebc(pb0ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs0_twt)|
+ mtebc(PB0AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs0_twt)|
EBC_BXAP_BCE_DISABLE|
EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
EBC_BXAP_BEM_WRITEONLY|
EBC_BXAP_PEN_DISABLED);
- mtebc(pb0cr, EBC_BXCR_BAS_ENCODE(cs0_base)|
+ mtebc(PB0CR, EBC_BXCR_BAS_ENCODE(cs0_base)|
cs0_size|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
/*-------------------------------------------------------------------------+
| 8KB NVRAM/RTC. Initialize bank 1 with default values.
+-------------------------------------------------------------------------*/
- mtebc(pb1ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(10)|
+ mtebc(PB1AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(10)|
EBC_BXAP_BCE_DISABLE|
EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
EBC_BXAP_BEM_WRITEONLY|
EBC_BXAP_PEN_DISABLED);
- mtebc(pb1cr, EBC_BXCR_BAS_ENCODE(0x48000000)|
+ mtebc(PB1CR, EBC_BXCR_BAS_ENCODE(0x48000000)|
EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
/*-------------------------------------------------------------------------+
| 4 MB FLASH. Initialize bank 2 with default values.
+-------------------------------------------------------------------------*/
- mtebc(pb2ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs2_twt)|
+ mtebc(PB2AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs2_twt)|
EBC_BXAP_BCE_DISABLE|
EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
EBC_BXAP_BEM_WRITEONLY|
EBC_BXAP_PEN_DISABLED);
- mtebc(pb2cr, EBC_BXCR_BAS_ENCODE(cs2_base)|
+ mtebc(PB2CR, EBC_BXCR_BAS_ENCODE(cs2_base)|
cs2_size|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
/*-------------------------------------------------------------------------+
| FPGA. Initialize bank 7 with default values.
+-------------------------------------------------------------------------*/
- mtebc(pb7ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)|
+ mtebc(PB7AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)|
EBC_BXAP_BCE_DISABLE|
EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
EBC_BXAP_BEM_WRITEONLY|
EBC_BXAP_PEN_DISABLED);
- mtebc(pb7cr, EBC_BXCR_BAS_ENCODE(0x48300000)|
+ mtebc(PB7CR, EBC_BXCR_BAS_ENCODE(0x48300000)|
EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
- mtdcr (uic0sr, 0xffffffff); /* clear all */
- mtdcr (uic0er, 0x00000000); /* disable all */
- mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */
- mtdcr (uic0pr, 0xfffffe13); /* per ref-board manual */
- mtdcr (uic0tr, 0x01c00008); /* per ref-board manual */
- mtdcr (uic0vr, 0x00000001); /* 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, 0xffffe0ff); /* per ref-board manual */
- mtdcr (uic1tr, 0x00ffc000); /* per ref-board manual */
- mtdcr (uic1vr, 0x00000001); /* 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, 0x00ff8c0f); /* per ref-board manual */
- mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr (uic2sr, 0xffffffff); /* clear all */
-
- mtdcr (uicb0sr, 0xfc000000); /* clear all */
- mtdcr (uicb0er, 0x00000000); /* disable all */
- mtdcr (uicb0cr, 0x00000000); /* all non-critical */
- mtdcr (uicb0pr, 0xfc000000); /* */
- mtdcr (uicb0tr, 0x00000000); /* */
- mtdcr (uicb0vr, 0x00000001); /* */
- mfsdr (sdr_mfr, mfr);
+ /*
+ * Because of the interrupt handling rework to handle 440GX interrupts
+ * with the common code, we needed to change names of the UIC registers.
+ * Here the new relationship:
+ *
+ * U-Boot name 440GX name
+ * -----------------------
+ * UIC0 UICB0
+ * UIC1 UIC0
+ * UIC2 UIC1
+ * UIC3 UIC2
+ */
+ mtdcr (UIC1SR, 0xffffffff); /* clear all */
+ mtdcr (UIC1ER, 0x00000000); /* disable all */
+ mtdcr (UIC1CR, 0x00000009); /* SMI & UIC1 crit are critical */
+ mtdcr (UIC1PR, 0xfffffe13); /* per ref-board manual */
+ mtdcr (UIC1TR, 0x01c00008); /* per ref-board manual */
+ mtdcr (UIC1VR, 0x00000001); /* 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, 0xffffe0ff); /* per ref-board manual */
+ mtdcr (UIC2TR, 0x00ffc000); /* per ref-board manual */
+ mtdcr (UIC2VR, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (UIC2SR, 0xffffffff); /* clear all */
+
+ mtdcr (UIC3SR, 0xffffffff); /* clear all */
+ mtdcr (UIC3ER, 0x00000000); /* disable all */
+ mtdcr (UIC3CR, 0x00000000); /* all non-critical */
+ mtdcr (UIC3PR, 0xffffffff); /* per ref-board manual */
+ mtdcr (UIC3TR, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (UIC3VR, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (UIC3SR, 0xffffffff); /* clear all */
+
+ mtdcr (UIC0SR, 0xfc000000); /* clear all */
+ mtdcr (UIC0ER, 0x00000000); /* disable all */
+ mtdcr (UIC0CR, 0x00000000); /* all non-critical */
+ mtdcr (UIC0PR, 0xfc000000); /* */
+ mtdcr (UIC0TR, 0x00000000); /* */
+ mtdcr (UIC0VR, 0x00000001); /* */
+ mfsdr (SDR0_MFR, mfr);
mfr &= ~SDR0_MFR_ECS_MASK;
-/* mtsdr(sdr_mfr, mfr); */
+/* mtsdr(SDR0_MFR, mfr); */
fpga_init();
return 0;
int checkboard (void)
{
- char *s = getenv ("serial#");
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
printf ("Board: Ocotea - AMCC PPC440GX Evaluation Board");
- if (s != NULL) {
- puts (", serial# ");
- puts (s);
+ if (i > 0) {
+ puts(", serial# ");
+ puts(buf);
}
putc ('\n');
}
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
{
long dram_size = 0;
}
-#if defined(CFG_DRAM_TEST)
-int testdram (void)
-{
- uint *pstart = (uint *) 0x00000000;
- uint *pend = (uint *) 0x08000000;
- uint *p;
-
- for (p = pstart; p < pend; p++)
- *p = 0xaaaaaaaa;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0xaaaaaaaa) {
- printf ("SDRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
-
- for (p = pstart; p < pend; p++)
- *p = 0x55555555;
-
- for (p = pstart; p < pend; p++) {
- if (*p != 0x55555555) {
- printf ("SDRAM test fails at: %08x\n", (uint) p);
- return 1;
- }
- }
- return 0;
-}
-#endif
-
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
/*--------------------------------------------------------------------
* Setup some default
*------------------------------------------------------------------*/
- mtsdram (mem_uabba, 0x00000000); /* ubba=0 (default) */
- mtsdram (mem_slio, 0x00000000); /* rdre=0 wrre=0 rarw=0 */
- mtsdram (mem_devopt, 0x00000000); /* dll=0 ds=0 (normal) */
- mtsdram (mem_wddctr, 0x00000000); /* wrcp=0 dcd=0 */
- mtsdram (mem_clktr, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */
+ mtsdram (SDRAM0_UABBA, 0x00000000); /* ubba=0 (default) */
+ mtsdram (SDRAM0_SLIO, 0x00000000); /* rdre=0 wrre=0 rarw=0 */
+ mtsdram (SDRAM0_DEVOPT, 0x00000000); /* dll=0 ds=0 (normal) */
+ mtsdram (SDRAM0_WDDCTR, 0x00000000); /* wrcp=0 dcd=0 */
+ mtsdram (SDRAM0_CLKTR, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */
/*--------------------------------------------------------------------
* Setup for board-specific specific mem
/*
* Following for CAS Latency = 2.5 @ 133 MHz PLB
*/
- mtsdram (mem_b0cr, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */
- mtsdram (mem_tr0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */
+ mtsdram (SDRAM0_B0CR, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */
+ mtsdram (SDRAM0_TR0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */
/* RA=10 RD=3 */
- mtsdram (mem_tr1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */
- mtsdram (mem_rtr, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */
- mtsdram (mem_cfg1, 0x00000000); /* Self-refresh exit, disable PM */
+ mtsdram (SDRAM0_TR1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */
+ mtsdram (SDRAM0_RTR, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */
+ mtsdram (SDRAM0_CFG1, 0x00000000); /* Self-refresh exit, disable PM */
udelay (400); /* Delay 200 usecs (min) */
/*--------------------------------------------------------------------
* Enable the controller, then wait for DCEN to complete
*------------------------------------------------------------------*/
- mtsdram (mem_cfg0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */
+ mtsdram (SDRAM0_CFG0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */
for (;;) {
- mfsdram (mem_mcsts, reg);
+ mfsdram (SDRAM0_MCSTS, reg);
if (reg & 0x80000000)
break;
}
}
#endif /* !defined(CONFIG_SPD_EEPROM) */
-
-/*************************************************************************
- * 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) && defined(CFG_PCI_PRE_INIT)
-int pci_pre_init(struct pci_controller * hose )
-{
- unsigned long strap;
-
- /*--------------------------------------------------------------------------+
- * The ocotea board is always configured as the host & requires the
- * PCI arbiter to be enabled.
- *--------------------------------------------------------------------------*/
- mfsdr(sdr_sdstp1, strap);
- if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
- printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
- return 0;
- }
-
- return 1;
-}
-#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
-
-/*************************************************************************
- * 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(CFG_PCI_TARGET_INIT)
-void pci_target_init(struct pci_controller * hose )
-{
- /*--------------------------------------------------------------------------+
- * Disable everything
- *--------------------------------------------------------------------------*/
- out32r( PCIX0_PIM0SA, 0 ); /* disable */
- out32r( PCIX0_PIM1SA, 0 ); /* disable */
- out32r( PCIX0_PIM2SA, 0 ); /* disable */
- out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */
-
- /*--------------------------------------------------------------------------+
- * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping
- * options to not support sizes such as 128/256 MB.
- *--------------------------------------------------------------------------*/
- out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE );
- out32r( PCIX0_PIM0LAH, 0 );
- out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );
-
- out32r( PCIX0_BAR0, 0 );
-
- /*--------------------------------------------------------------------------+
- * Program the board's subsystem id/vendor id
- *--------------------------------------------------------------------------*/
- out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID );
- out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID );
-
- out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
-}
-#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_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.
- *
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int is_pci_host(struct pci_controller *hose)
-{
- /* The ocotea board is always configured as host. */
- return(1);
-}
-#endif /* defined(CONFIG_PCI) */
-
-
void fpga_init(void)
{
unsigned long group;
unsigned long sdr0_cust0;
unsigned long pvr;
- mfsdr (sdr_pfc0, sdr0_pfc0);
- mfsdr (sdr_pfc1, sdr0_pfc1);
+ mfsdr (SDR0_PFC0, sdr0_pfc0);
+ mfsdr (SDR0_PFC1, sdr0_pfc1);
group = SDR0_PFC1_EPS_DECODE(sdr0_pfc1);
pvr = get_pvr ();
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_EMS;
out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
FPGA_REG2_EXT_INTFACE_ENABLE);
- mtsdr (sdr_pfc0, sdr0_pfc0);
- mtsdr (sdr_pfc1, sdr0_pfc1);
+ mtsdr (SDR0_PFC0, sdr0_pfc0);
+ mtsdr (SDR0_PFC1, sdr0_pfc1);
} else {
sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_TRE_MASK) | SDR0_PFC0_TRE_ENABLE;
switch (group)
out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
FPGA_REG2_EXT_INTFACE_ENABLE);
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_EMS;
- mtsdr (sdr_pfc0, sdr0_pfc0);
- mtsdr (sdr_pfc1, sdr0_pfc1);
+ mtsdr (SDR0_PFC0, sdr0_pfc0);
+ mtsdr (SDR0_PFC1, sdr0_pfc1);
break;
case 3:
case 4:
case 6:
/* CPU trace B - Over EBMI */
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_CPUTRACE;
- mtsdr (sdr_pfc0, sdr0_pfc0);
- mtsdr (sdr_pfc1, sdr0_pfc1);
+ mtsdr (SDR0_PFC0, sdr0_pfc0);
+ mtsdr (SDR0_PFC1, sdr0_pfc1);
out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
FPGA_REG2_EXT_INTFACE_DISABLE);
break;
}
/* Initialize the ethernet specific functions in the fpga */
- mfsdr(sdr_pfc1, sdr0_pfc1);
- mfsdr(sdr_cust0, sdr0_cust0);
+ mfsdr(SDR0_PFC1, sdr0_pfc1);
+ mfsdr(SDR0_CUST0, sdr0_cust0);
if ( (SDR0_PFC1_EPS_DECODE(sdr0_pfc1) == 4) &&
((SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_GMII) ||
(SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_TBI)))
return;
}
-
-#ifdef 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 (ctrlc());
-}
-#endif
projects / karo-tx-uboot.git / blobdiff