]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - board/socrates/socrates.c
fdt: Allow ft_board_setup() to report failure
[karo-tx-uboot.git] / board / socrates / socrates.c
index cdab1a2231900ccf72daf18ed1417bb36fa8658f..953a43ff3163526b58c993bea7ba46bb9772520a 100644 (file)
@@ -8,23 +8,7 @@
  *
  * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
  *
- * 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 <common.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <asm/io.h>
-
+#include <i2c.h>
+#include <mb862xx.h>
+#include <video_fb.h>
 #include "upm_table.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
 extern flash_info_t flash_info[];      /* FLASH chips info */
+extern GraphicDevice mb862xx;
 
 void local_bus_init (void);
 ulong flash_get_size (ulong base, int banknum);
 
 int checkboard (void)
 {
-       volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
-
-       char *src;
+       volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+       char buf[64];
        int f;
-       char *s = getenv("serial#");
+       int i = getenv_f("serial#", buf, sizeof(buf));
+#ifdef CONFIG_PCI
+       char *src;
+#endif
 
        puts("Board: Socrates");
-       if (s != NULL) {
+       if (i > 0) {
                puts(", serial# ");
-               puts(s);
+               puts(buf);
        }
        putc('\n');
 
@@ -84,8 +73,6 @@ int checkboard (void)
 
 int misc_init_r (void)
 {
-       volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
-
        /*
         * Adjust flash start and offset to detected values
         */
@@ -95,46 +82,48 @@ int misc_init_r (void)
        /*
         * Check if boot FLASH isn't max size
         */
-       if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) {
-               memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff);
-               memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff);
+       if (gd->bd->bi_flashsize < (0 - CONFIG_SYS_FLASH0)) {
+               set_lbc_or(0, gd->bd->bi_flashstart |
+                          (CONFIG_SYS_OR0_PRELIM & 0x00007fff));
+               set_lbc_br(0, gd->bd->bi_flashstart |
+                          (CONFIG_SYS_BR0_PRELIM & 0x00007fff));
 
                /*
                 * Re-check to get correct base address
                 */
-               flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
+               flash_get_size(gd->bd->bi_flashstart, CONFIG_SYS_MAX_FLASH_BANKS - 1);
        }
 
        /*
         * Check if only one FLASH bank is available
         */
-       if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) {
-               memctl->or1 = 0;
-               memctl->br1 = 0;
+       if (gd->bd->bi_flashsize != CONFIG_SYS_MAX_FLASH_BANKS * (0 - CONFIG_SYS_FLASH0)) {
+               set_lbc_or(1, 0);
+               set_lbc_br(1, 0);
 
                /*
                 * Re-do flash protection upon new addresses
                 */
                flash_protect (FLAG_PROTECT_CLEAR,
                               gd->bd->bi_flashstart, 0xffffffff,
-                              &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+                              &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
 
                /* Monitor protection ON by default */
                flash_protect (FLAG_PROTECT_SET,
-                              CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1,
-                              &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+                              CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
+                              &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
 
                /* Environment protection ON by default */
                flash_protect (FLAG_PROTECT_SET,
                               CONFIG_ENV_ADDR,
                               CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
-                              &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+                              &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
 
                /* Redundant environment protection ON by default */
                flash_protect (FLAG_PROTECT_SET,
                               CONFIG_ENV_ADDR_REDUND,
-                              CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1,
-                              &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+                              CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
+                              &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
        }
 
        return 0;
@@ -145,16 +134,16 @@ int misc_init_r (void)
  */
 void local_bus_init (void)
 {
-       volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
-       volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
+       volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
+       volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
        sys_info_t sysinfo;
        uint clkdiv;
        uint lbc_mhz;
-       uint lcrr = CFG_LBC_LCRR;
+       uint lcrr = CONFIG_SYS_LBC_LCRR;
 
        get_sys_info (&sysinfo);
-       clkdiv = lbc->lcrr & 0x0f;
-       lbc_mhz = sysinfo.freqSystemBus / 1000000 / clkdiv;
+       clkdiv = lbc->lcrr & LCRR_CLKDIV;
+       lbc_mhz = sysinfo.freq_systembus / 1000000 / clkdiv;
 
        /* Disable PLL bypass for Local Bus Clock >= 66 MHz */
        if (lbc_mhz >= 66)
@@ -174,11 +163,9 @@ void local_bus_init (void)
        out_be32 (&lbc->mamr, 0x44440); /* Use a customer-supplied value */
        upmconfig (UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int));
 
-       if (getenv("lime")) {
-               /* Init UPMB for Lime controller access */
-               out_be32 (&lbc->mbmr, 0x444440); /* Use a customer-supplied value */
-               upmconfig (UPMB, (uint *)UPMTableB, sizeof(UPMTableB)/sizeof(int));
-       }
+       /* Init UPMB for Lime controller access */
+       out_be32 (&lbc->mbmr, 0x444440); /* Use a customer-supplied value */
+       upmconfig (UPMB, (uint *)UPMTableB, sizeof(UPMTableB)/sizeof(int));
 }
 
 #if defined(CONFIG_PCI)
@@ -218,7 +205,7 @@ void pci_init_board (void)
 #ifdef CONFIG_BOARD_EARLY_INIT_R
 int board_early_init_r (void)
 {
-       volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+       volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 
        /* set and reset the GPIO pin 2 which will reset the W83782G chip */
        out_8((unsigned char*)&gur->gpoutdr, 0x3F );
@@ -231,8 +218,7 @@ int board_early_init_r (void)
 #endif /* CONFIG_BOARD_EARLY_INIT_R */
 
 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
-void
-ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, bd_t *bd)
 {
        u32 val[12];
        int rc, i = 0;
@@ -245,48 +231,33 @@ ft_board_setup(void *blob, bd_t *bd)
        val[i++] = gd->bd->bi_flashstart;
        val[i++] = gd->bd->bi_flashsize;
 
-       if (getenv("lime")) {
+       if (mb862xx.frameAdrs == CONFIG_SYS_LIME_BASE) {
                /* Fixup LIME mapping */
                val[i++] = 2;                   /* chip select number */
                val[i++] = 0;                   /* always 0 */
-               val[i++] = CFG_LIME_BASE;
-               val[i++] = CFG_LIME_SIZE;
+               val[i++] = CONFIG_SYS_LIME_BASE;
+               val[i++] = CONFIG_SYS_LIME_SIZE;
        }
 
        /* Fixup FPGA mapping */
        val[i++] = 3;                           /* chip select number */
        val[i++] = 0;                           /* always 0 */
-       val[i++] = CFG_FPGA_BASE;
-       val[i++] = CFG_FPGA_SIZE;
+       val[i++] = CONFIG_SYS_FPGA_BASE;
+       val[i++] = CONFIG_SYS_FPGA_SIZE;
 
        rc = fdt_find_and_setprop(blob, "/localbus", "ranges",
                                  val, i * sizeof(u32), 1);
        if (rc)
                printf("Unable to update localbus ranges, err=%s\n",
                       fdt_strerror(rc));
+
+       return 0;
 }
 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
 
-#include <i2c.h>
-#include <mb862xx.h>
-#include <video_fb.h>
-
-#define CFG_LIME_SRST          ((CFG_LIME_BASE) + 0x01FC002C)
-#define CFG_LIME_CCF           ((CFG_LIME_BASE) + 0x01FC0038)
-#define CFG_LIME_MMR           ((CFG_LIME_BASE) + 0x01FCFFFC)
-/* Lime clock frequency */
-#define CFG_LIME_CLK_100MHZ    0x00000
-#define CFG_LIME_CLK_133MHZ    0x10000
-/* SDRAM parameter */
-#define CFG_LIME_MMR_VALUE     0x4157BA63
-
-#define DISPLAY_WIDTH          800
-#define DISPLAY_HEIGHT         480
 #define DEFAULT_BRIGHTNESS     25
 #define BACKLIGHT_ENABLE       (1 << 31)
 
-extern GraphicDevice mb862xx;
-
 static const gdc_regs init_regs [] =
 {
        {0x0100, 0x00010f00},
@@ -313,32 +284,43 @@ const gdc_regs *board_get_regs (void)
        return init_regs;
 }
 
-/* Returns Lime base address */
-unsigned int board_video_init (void)
+int lime_probe(void)
 {
+       uint cfg_br2;
+       uint cfg_or2;
+       int type;
 
-       if (!getenv("lime"))
-               return 0;
+       cfg_br2 = get_lbc_br(2);
+       cfg_or2 = get_lbc_or(2);
 
-       /*
-        * Reset Lime controller
-        */
-       out_be32((void *)CFG_LIME_SRST, 0x1);
-       udelay(200);
+       /* Configure GPCM for CS2 */
+       set_lbc_br(2, 0);
+       set_lbc_or(2, 0xfc000410);
+       set_lbc_br(2, (CONFIG_SYS_LIME_BASE) | 0x00001901);
+
+       /* Get controller type */
+       type = mb862xx_probe(CONFIG_SYS_LIME_BASE);
+
+       /* Restore previous CS2 configuration */
+       set_lbc_br(2, 0);
+       set_lbc_or(2, cfg_or2);
+       set_lbc_br(2, cfg_br2);
+
+       return (type == MB862XX_TYPE_LIME) ? 1 : 0;
+}
 
-       /* Set Lime clock to 133MHz */
-       out_be32((void *)CFG_LIME_CCF, CFG_LIME_CLK_133MHZ);
-       /* Delay required */
-       udelay(300);
-       /* Set memory parameters */
-       out_be32((void *)CFG_LIME_MMR, CFG_LIME_MMR_VALUE);
+/* Returns Lime base address */
+unsigned int board_video_init (void)
+{
+       if (!lime_probe())
+               return 0;
 
-       mb862xx.winSizeX = DISPLAY_WIDTH;
-       mb862xx.winSizeY = DISPLAY_HEIGHT;
+       mb862xx.winSizeX = 800;
+       mb862xx.winSizeY = 480;
        mb862xx.gdfIndex = GDF_15BIT_555RGB;
        mb862xx.gdfBytesPP = 2;
 
-       return CFG_LIME_BASE;
+       return CONFIG_SYS_LIME_BASE;
 }
 
 #define W83782D_REG_CFG                0x40
@@ -353,22 +335,22 @@ static int w83782d_hwmon_init(void)
 {
        u8 buf;
 
-       if (i2c_read(CFG_I2C_W83782G_ADDR, W83782D_REG_CFG, 1, &buf, 1))
+       if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 1, &buf, 1))
                return -1;
 
-       i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_CFG, 0x80);
-       i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_BANK_SEL, 0);
-       i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_ADCCLK, 0x40);
+       i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 0x80);
+       i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BANK_SEL, 0);
+       i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_ADCCLK, 0x40);
 
-       buf = i2c_reg_read(CFG_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL);
-       i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL,
+       buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL);
+       i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL,
                      buf | 0x80);
-       i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL2, 0);
-       i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_PWMOUT1, 0x47);
-       i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_VBAT, 0x01);
+       i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL2, 0);
+       i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_PWMOUT1, 0x47);
+       i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_VBAT, 0x01);
 
-       buf = i2c_reg_read(CFG_I2C_W83782G_ADDR, W83782D_REG_CFG);
-       i2c_reg_write(CFG_I2C_W83782G_ADDR, W83782D_REG_CFG,
+       buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG);
+       i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG,
                      (buf & 0xf4) | 0x01);
        return 0;
 }
@@ -380,37 +362,37 @@ static void board_backlight_brightness(int br)
        u8 old_buf;
 
        /* Select bank 0 */
-       if (i2c_read(CFG_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
+       if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
                goto err;
        else
                buf = old_buf & 0xf8;
 
-       if (i2c_write(CFG_I2C_W83782G_ADDR, 0x4e, 1, &buf, 1))
+       if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &buf, 1))
                goto err;
 
        if (br > 0) {
                /* PWMOUT1 duty cycle ctrl */
                buf = 255 / (100 / br);
-               if (i2c_write(CFG_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
+               if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
                        goto err;
 
                /* LEDs on */
-               reg = in_be32((void *)(CFG_FPGA_BASE + 0x0c));
+               reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c));
                if (!(reg & BACKLIGHT_ENABLE));
-                       out_be32((void *)(CFG_FPGA_BASE + 0x0c),
+                       out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c),
                                 reg | BACKLIGHT_ENABLE);
        } else {
                buf = 0;
-               if (i2c_write(CFG_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
+               if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
                        goto err;
 
                /* LEDs off */
-               reg = in_be32((void *)(CFG_FPGA_BASE + 0x0c));
+               reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c));
                reg &= ~BACKLIGHT_ENABLE;
-               out_be32((void *)(CFG_FPGA_BASE + 0x0c), reg);
+               out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), reg);
        }
        /* Restore previous bank setting */
-       if (i2c_write(CFG_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
+       if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
                goto err;
 
        return;