6b13f685e
김민수
BSP 최초 추가
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#include <common.h>
#include <mpc5xxx.h>
#include <pci.h>
#include <netdev.h>
#include <miiphy.h>
#include <libfdt.h>
#include <mb862xx.h>
#include <video_fb.h>
#include <asm/processor.h>
#include <asm/io.h>
#ifdef CONFIG_OF_LIBFDT
#include <fdt_support.h>
#endif /* CONFIG_OF_LIBFDT */
#ifdef CONFIG_MPC5200_DDR
#define SDRAM_MODE 0x018D0000
#define SDRAM_EMODE 0x40090000
#define SDRAM_CONTROL 0x714f0f00
#define SDRAM_CONFIG1 0x73722930
#define SDRAM_CONFIG2 0x47770000
#define SDRAM_TAPDELAY 0x10000000
#else
#error SDRAM is not supported on this board
#endif
DECLARE_GLOBAL_DATA_PTR;
static void sdram_start (int hi_addr)
{
struct mpc5xxx_sdram *sdram = (struct mpc5xxx_sdram *)MPC5XXX_SDRAM;
long hi_addr_bit = hi_addr ? 0x01000000 : 0;
out_be32 (&sdram->ctrl, SDRAM_CONTROL | 0x80000000 | hi_addr_bit);
out_be32 (&sdram->ctrl, SDRAM_CONTROL | 0x80000002 | hi_addr_bit);
out_be32 (&sdram->mode, SDRAM_EMODE);
out_be32 (&sdram->mode, SDRAM_MODE | 0x04000000);
out_be32 (&sdram->ctrl, SDRAM_CONTROL | 0x80000002 | hi_addr_bit);
out_be32 (&sdram->ctrl, SDRAM_CONTROL | 0x80000004 | hi_addr_bit);
out_be32 (&sdram->mode, SDRAM_MODE);
out_be32 (&sdram->ctrl, SDRAM_CONTROL | hi_addr_bit);
}
phys_size_t initdram (int board_type)
{
struct mpc5xxx_mmap_ctl *mmap_ctl =
(struct mpc5xxx_mmap_ctl *)CONFIG_SYS_MBAR;
struct mpc5xxx_sdram *sdram = (struct mpc5xxx_sdram *)MPC5XXX_SDRAM;
struct mpc5xxx_cdm *cdm = (struct mpc5xxx_cdm *)MPC5XXX_CDM;
ulong dramsize = 0;
ulong dramsize2 = 0;
ulong test1, test2;
out_be32 (&mmap_ctl->sdram0, 0x0000001e);
out_be32 (&mmap_ctl->sdram1, 0x00000000);
out_be32 (&sdram->config1, SDRAM_CONFIG1);
out_be32 (&sdram->config2, SDRAM_CONFIG2);
out_be32 (&cdm->porcfg, SDRAM_TAPDELAY);
sdram_start (0);
test1 = get_ram_size ((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
sdram_start (1);
test2 = get_ram_size ((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
if (test1 > test2) {
sdram_start (0);
dramsize = test1;
} else {
dramsize = test2;
}
if (dramsize < (1 << 20))
dramsize = 0;
if (dramsize > 0)
out_be32 (&mmap_ctl->sdram0,
0x13 + __builtin_ffs (dramsize >> 20) - 1);
else
out_be32 (&mmap_ctl->sdram1, 0);
out_be32 (&sdram->sdelay, 0x04);
return dramsize + dramsize2;
}
int checkboard (void)
{
puts ("Board: IPEK01
");
return 0;
}
void flash_preinit (void)
{
struct mpc5xxx_lpb *lpb = (struct mpc5xxx_lpb *)MPC5XXX_LPB;
clrbits_be32 (&lpb->cs0_cfg, 0x1);
}
void flash_afterinit (ulong start, ulong size)
{
struct mpc5xxx_mmap_ctl *mmap_ctl =
(struct mpc5xxx_mmap_ctl *)CONFIG_SYS_MBAR;
#if defined(CONFIG_BOOT_ROM)
out_be32 (&mmap_ctl->cs1_start, START_REG (start));
out_be32 (&mmap_ctl->cs1_stop, STOP_REG (start, size));
#else
out_be32 (&mmap_ctl->boot_start, START_REG (start));
out_be32 (&mmap_ctl->cs0_start, START_REG (start));
out_be32 (&mmap_ctl->boot_stop, STOP_REG (start, size));
out_be32 (&mmap_ctl->cs0_stop, STOP_REG (start, size));
#endif
}
extern flash_info_t flash_info[];
int misc_init_r (void)
{
gd->bd->bi_flashstart = flash_info[0].start[0];
return (0);
}
#ifdef CONFIG_PCI
static struct pci_controller hose;
extern void pci_mpc5xxx_init (struct pci_controller *);
void pci_init_board (void)
{
pci_mpc5xxx_init (&hose);
}
#endif
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup (blob, bd);
fdt_fixup_memory (blob, (u64) bd->bi_memstart, (u64) bd->bi_memsize);
return 0;
}
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
int board_eth_init(bd_t *bis)
{
cpu_eth_init(bis);
return pci_eth_init(bis);
}
#ifdef CONFIG_VIDEO
extern GraphicDevice mb862xx;
static const gdc_regs init_regs[] = {
{0x0100, 0x00000900},
{0x0020, 0x80190257},
{0x0024, 0x00000000},
{0x0028, 0x00000000},
{0x002c, 0x00000000},
{0x0110, 0x00000000},
{0x0114, 0x00000000},
{0x0118, 0x02570320},
{0x0004, 0x041f0000},
{0x0008, 0x031f031f},
{0x000c, 0x067f0347},
{0x0010, 0x02780000},
{0x0014, 0x0257025c},
{0x0018, 0x00000000},
{0x001c, 0x02570320},
{0x0100, 0x80010900},
{0x0, 0x0}
};
const gdc_regs *board_get_regs (void)
{
return init_regs;
}
unsigned int board_video_init (void)
{
if (mb862xx_probe (CONFIG_SYS_LIME_BASE) != MB862XX_TYPE_LIME)
return 0;
mb862xx.winSizeX = 800;
mb862xx.winSizeY = 600;
mb862xx.gdfIndex = GDF_15BIT_555RGB;
mb862xx.gdfBytesPP = 2;
return CONFIG_SYS_LIME_BASE;
}
#if defined(CONFIG_CONSOLE_EXTRA_INFO)
void video_get_info_str (int line_number, char *info)
{
if (line_number == 1)
strcpy (info, " Board: IPEK01");
else
info[0] = '\0';
}
#endif
#endif /* CONFIG_VIDEO */
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