summaryrefslogtreecommitdiff
path: root/board/socrates/socrates.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/socrates/socrates.c')
-rw-r--r--board/socrates/socrates.c346
1 files changed, 294 insertions, 52 deletions
diff --git a/board/socrates/socrates.c b/board/socrates/socrates.c
index d791f11..d83dc7d 100644
--- a/board/socrates/socrates.c
+++ b/board/socrates/socrates.c
@@ -36,20 +36,23 @@
#include <libfdt.h>
#include <fdt_support.h>
#include <asm/io.h>
-
-#if defined(CFG_FPGA_BASE)
+#include <i2c.h>
+#include <mb862xx.h>
+#include <video_fb.h>
#include "upm_table.h"
-#endif
+
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);
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
char *src;
int f;
char *s = getenv("serial#");
@@ -79,16 +82,12 @@ int checkboard (void)
* Initialize local bus.
*/
local_bus_init ();
-#if defined(CFG_FPGA_BASE)
- /* Init UPMA for FPGA access */
- upmconfig(UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int));
-#endif
return 0;
}
int misc_init_r (void)
{
- volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
+ volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
/*
* Adjust flash start and offset to detected values
@@ -99,20 +98,20 @@ 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)) {
+ memctl->or0 = gd->bd->bi_flashstart | (CONFIG_SYS_OR0_PRELIM & 0x00007fff);
+ memctl->br0 = 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)) {
+ if (gd->bd->bi_flashsize != CONFIG_SYS_MAX_FLASH_BANKS * (0 - CONFIG_SYS_FLASH0)) {
memctl->or1 = 0;
memctl->br1 = 0;
@@ -121,24 +120,24 @@ int misc_init_r (void)
*/
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,
- CFG_ENV_ADDR,
- CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
- &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
/* Redundant environment protection ON by default */
flash_protect (FLAG_PROTECT_SET,
- CFG_ENV_ADDR_REDUND,
- CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
- &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+ CONFIG_ENV_ADDR_REDUND,
+ CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
}
return 0;
@@ -149,15 +148,38 @@ int misc_init_r (void)
*/
void local_bus_init (void)
{
+ volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+ volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
+ sys_info_t sysinfo;
+ uint clkdiv;
+ uint lbc_mhz;
+ uint lcrr = CONFIG_SYS_LBC_LCRR;
+
+ get_sys_info (&sysinfo);
+ clkdiv = lbc->lcrr & 0x0f;
+ lbc_mhz = sysinfo.freqSystemBus / 1000000 / clkdiv;
+
+ /* Disable PLL bypass for Local Bus Clock >= 66 MHz */
+ if (lbc_mhz >= 66)
+ lcrr &= ~LCRR_DBYP; /* DLL Enabled */
+ else
+ lcrr |= LCRR_DBYP; /* DLL Bypass */
+
+ out_be32 (&lbc->lcrr, lcrr);
+ asm ("sync;isync;msync");
+
+ out_be32 (&lbc->ltesr, 0xffffffff); /* Clear LBC error interrupts */
+ out_be32 (&lbc->lteir, 0xffffffff); /* Enable LBC error interrupts */
+ out_be32 (&ecm->eedr, 0xffffffff); /* Clear ecm errors */
+ out_be32 (&ecm->eeer, 0xffffffff); /* Enable ecm errors */
- volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
- volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
-
- lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
- lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
- ecm->eedr = 0xffffffff; /* Clear ecm errors */
- ecm->eeer = 0xffffffff; /* Enable ecm errors */
+ /* Init UPMA for FPGA access */
+ out_be32 (&lbc->mamr, 0x44440); /* Use a customer-supplied value */
+ upmconfig (UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/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)
@@ -197,9 +219,14 @@ void pci_init_board (void)
#ifdef CONFIG_BOARD_EARLY_INIT_R
int board_early_init_r (void)
{
-#ifdef CONFIG_PS2MULT
- ps2mult_early_init();
-#endif /* CONFIG_PS2MULT */
+ 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 );
+ out_be32((unsigned int*)&gur->gpiocr, 0x200 ); /* enable GPOut */
+ udelay(200);
+ out_8( (unsigned char*)&gur->gpoutdr, 0x1F );
+
return (0);
}
#endif /* CONFIG_BOARD_EARLY_INIT_R */
@@ -208,31 +235,246 @@ int board_early_init_r (void)
void
ft_board_setup(void *blob, bd_t *bd)
{
- u32 val[4];
- int rc;
+ u32 val[12];
+ int rc, i = 0;
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;
+ /* Fixup NOR FLASH mapping */
+ val[i++] = 0; /* chip select number */
+ val[i++] = 0; /* always 0 */
+ val[i++] = gd->bd->bi_flashstart;
+ val[i++] = gd->bd->bi_flashsize;
+
+ if (mb862xx.frameAdrs == CONFIG_SYS_LIME_BASE) {
+ /* Fixup LIME mapping */
+ val[i++] = 2; /* chip select number */
+ val[i++] = 0; /* always 0 */
+ 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++] = CONFIG_SYS_FPGA_BASE;
+ val[i++] = CONFIG_SYS_FPGA_SIZE;
rc = fdt_find_and_setprop(blob, "/localbus", "ranges",
- val, sizeof(val), 1);
- if (rc)
- printf("Unable to update property NOR mapping, err=%s\n",
- fdt_strerror(rc));
-
-#if defined (CFG_FPGA_BASE)
- memset(val, 0, sizeof(val));
- val[0] = CFG_FPGA_BASE;
- rc = fdt_find_and_setprop(blob, "/localbus/fpga", "virtual-reg",
- val, sizeof(val), 1);
+ val, i * sizeof(u32), 1);
if (rc)
- printf("Unable to update property \"fpga\", err=%s\n",
+ printf("Unable to update localbus ranges, err=%s\n",
fdt_strerror(rc));
-#endif
}
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
+
+#define CONFIG_SYS_LIME_SRST ((CONFIG_SYS_LIME_BASE) + 0x01FC002C)
+#define CONFIG_SYS_LIME_CCF ((CONFIG_SYS_LIME_BASE) + 0x01FC0038)
+#define CONFIG_SYS_LIME_MMR ((CONFIG_SYS_LIME_BASE) + 0x01FCFFFC)
+/* Lime clock frequency */
+#define CONFIG_SYS_LIME_CLK_100MHZ 0x00000
+#define CONFIG_SYS_LIME_CLK_133MHZ 0x10000
+/* SDRAM parameter */
+#define CONFIG_SYS_LIME_MMR_VALUE 0x4157BA63
+
+#define DISPLAY_WIDTH 800
+#define DISPLAY_HEIGHT 480
+#define DEFAULT_BRIGHTNESS 25
+#define BACKLIGHT_ENABLE (1 << 31)
+
+static const gdc_regs init_regs [] =
+{
+ {0x0100, 0x00010f00},
+ {0x0020, 0x801901df},
+ {0x0024, 0x00000000},
+ {0x0028, 0x00000000},
+ {0x002c, 0x00000000},
+ {0x0110, 0x00000000},
+ {0x0114, 0x00000000},
+ {0x0118, 0x01df0320},
+ {0x0004, 0x041f0000},
+ {0x0008, 0x031f031f},
+ {0x000c, 0x017f0349},
+ {0x0010, 0x020c0000},
+ {0x0014, 0x01df01e9},
+ {0x0018, 0x00000000},
+ {0x001c, 0x01e00320},
+ {0x0100, 0x80010f00},
+ {0x0, 0x0}
+};
+
+const gdc_regs *board_get_regs (void)
+{
+ return init_regs;
+}
+
+#define CONFIG_SYS_LIME_CID ((CONFIG_SYS_LIME_BASE) + 0x01FC00F0)
+#define CONFIG_SYS_LIME_REV ((CONFIG_SYS_LIME_BASE) + 0x01FF8084)
+int lime_probe(void)
+{
+ volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+ uint cfg_br2;
+ uint cfg_or2;
+ uint reg;
+
+ cfg_br2 = memctl->br2;
+ cfg_or2 = memctl->or2;
+
+ /* Configure GPCM for CS2 */
+ memctl->br2 = 0;
+ memctl->or2 = 0xfc000410;
+ memctl->br2 = (CONFIG_SYS_LIME_BASE) | 0x00001901;
+
+ /* Try to access GDC ID/Revision registers */
+ reg = in_be32((void *)CONFIG_SYS_LIME_CID);
+ reg = in_be32((void *)CONFIG_SYS_LIME_CID);
+ if (reg == 0x303) {
+ reg = in_be32((void *)CONFIG_SYS_LIME_REV);
+ reg = in_be32((void *)CONFIG_SYS_LIME_REV);
+ reg = ((reg & ~0xff) == 0x20050100) ? 1 : 0;
+ } else
+ reg = 0;
+
+ /* Restore previous CS2 configuration */
+ memctl->br2 = 0;
+ memctl->or2 = cfg_or2;
+ memctl->br2 = cfg_br2;
+ return reg;
+}
+
+/* Returns Lime base address */
+unsigned int board_video_init (void)
+{
+ if (!lime_probe())
+ return 0;
+
+ /*
+ * Reset Lime controller
+ */
+ out_be32((void *)CONFIG_SYS_LIME_SRST, 0x1);
+ udelay(200);
+
+ /* Set Lime clock to 133MHz */
+ out_be32((void *)CONFIG_SYS_LIME_CCF, CONFIG_SYS_LIME_CLK_133MHZ);
+ /* Delay required */
+ udelay(300);
+ /* Set memory parameters */
+ out_be32((void *)CONFIG_SYS_LIME_MMR, CONFIG_SYS_LIME_MMR_VALUE);
+
+ mb862xx.winSizeX = DISPLAY_WIDTH;
+ mb862xx.winSizeY = DISPLAY_HEIGHT;
+ mb862xx.gdfIndex = GDF_15BIT_555RGB;
+ mb862xx.gdfBytesPP = 2;
+
+ return CONFIG_SYS_LIME_BASE;
+}
+
+#define W83782D_REG_CFG 0x40
+#define W83782D_REG_BANK_SEL 0x4e
+#define W83782D_REG_ADCCLK 0x4b
+#define W83782D_REG_BEEP_CTRL 0x4d
+#define W83782D_REG_BEEP_CTRL2 0x57
+#define W83782D_REG_PWMOUT1 0x5b
+#define W83782D_REG_VBAT 0x5d
+
+static int w83782d_hwmon_init(void)
+{
+ u8 buf;
+
+ if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 1, &buf, 1))
+ return -1;
+
+ 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(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(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(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG);
+ i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG,
+ (buf & 0xf4) | 0x01);
+ return 0;
+}
+
+static void board_backlight_brightness(int br)
+{
+ u32 reg;
+ u8 buf;
+ u8 old_buf;
+
+ /* Select bank 0 */
+ if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
+ goto err;
+ else
+ buf = old_buf & 0xf8;
+
+ 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(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
+ goto err;
+
+ /* LEDs on */
+ reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c));
+ if (!(reg & BACKLIGHT_ENABLE));
+ out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c),
+ reg | BACKLIGHT_ENABLE);
+ } else {
+ buf = 0;
+ if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1))
+ goto err;
+
+ /* LEDs off */
+ reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c));
+ reg &= ~BACKLIGHT_ENABLE;
+ out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), reg);
+ }
+ /* Restore previous bank setting */
+ if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1))
+ goto err;
+
+ return;
+err:
+ printf("W83782G I2C access failed\n");
+}
+
+void board_backlight_switch (int flag)
+{
+ char * param;
+ int rc;
+
+ if (w83782d_hwmon_init())
+ printf ("hwmon IC init failed\n");
+
+ if (flag) {
+ param = getenv("brightness");
+ rc = param ? simple_strtol(param, NULL, 10) : -1;
+ if (rc < 0)
+ rc = DEFAULT_BRIGHTNESS;
+ } else {
+ rc = 0;
+ }
+ board_backlight_brightness(rc);
+}
+
+#if defined(CONFIG_CONSOLE_EXTRA_INFO)
+/*
+ * Return text to be printed besides the logo.
+ */
+void video_get_info_str (int line_number, char *info)
+{
+ if (line_number == 1) {
+ strcpy (info, " Board: Socrates");
+ } else {
+ info [0] = '\0';
+ }
+}
+#endif
generated by cgit v1.1 at 2024-11-17 04:05:14 +0000