diff options
| author | Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> | 2009-03-03 15:11:17 +0900 |
|---|---|---|
| committer | Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | 2009-03-12 23:58:30 +0900 |
| commit | ada9318252f51c2626e9837c623f9812b0308dea (patch) | |
| tree | be5eac4da7830944db7daf1b42028ac94fe0b9d7 /board/renesas/sh7785lcr/sh7785lcr.c | |
| parent | 06b18163b57e6b0349b0c299222d50e7b1e41e50 (diff) | |
sh: Add support 32-Bit Extended Address Mode to sh7785lcr
We can built 'make sh7785lcr_32bit_config'. And add new command "pmb"
for this mode. This command changes PMB for using 512MB system memory.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'board/renesas/sh7785lcr/sh7785lcr.c')
| -rw-r--r-- | board/renesas/sh7785lcr/sh7785lcr.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/board/renesas/sh7785lcr/sh7785lcr.c b/board/renesas/sh7785lcr/sh7785lcr.c index 786c758a9..1d8168875 100644 --- a/board/renesas/sh7785lcr/sh7785lcr.c +++ b/board/renesas/sh7785lcr/sh7785lcr.c @@ -54,3 +54,35 @@ int board_eth_init(bd_t *bis) { return pci_eth_init(bis); } + +#if defined(CONFIG_SH_32BIT) +int do_pmb(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + /* clear ITLB */ + writel(0x00000004, 0xff000010); + + /* delete PMB for peripheral */ + writel(0, PMB_ADDR_BASE(0)); + writel(0, PMB_DATA_BASE(0)); + writel(0, PMB_ADDR_BASE(1)); + writel(0, PMB_DATA_BASE(1)); + writel(0, PMB_ADDR_BASE(2)); + writel(0, PMB_DATA_BASE(2)); + + /* add PMB for SDRAM(0x40000000 - 0x47ffffff) */ + writel(mk_pmb_addr_val(0x80), PMB_ADDR_BASE(8)); + writel(mk_pmb_data_val(0x40, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(8)); + writel(mk_pmb_addr_val(0xa0), PMB_ADDR_BASE(12)); + writel(mk_pmb_data_val(0x40, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(12)); + + return 0; +} + +U_BOOT_CMD( + pmb, 1, 1, do_pmb, + "pmb - PMB setting\n", + "\n" + " - PMB setting for all SDRAM mapping\n" +); +#endif + |