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| author | Becky Bruce <beckyb@kernel.crashing.org> | 2009-02-03 18:10:52 -0600 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-02-10 00:29:49 +0100 |
| commit | c9315e6b4f244981de0b2eaaa29a7838a165b494 (patch) | |
| tree | a27fab62224cf8b5e7f831f4c1c64ad6ba258d5d /lib_ppc/bat_rw.c | |
| parent | d35ae5a938679bd7e18167faf79d0fb3c6639b51 (diff) | |
| download | u-boot-imx-c9315e6b4f244981de0b2eaaa29a7838a165b494.zip u-boot-imx-c9315e6b4f244981de0b2eaaa29a7838a165b494.tar.gz u-boot-imx-c9315e6b4f244981de0b2eaaa29a7838a165b494.tar.bz2 | |
mpc86xx: Add support to populate addr map based on BATs
If CONFIG_ADDR_MAP is enabled, update the address map
whenever we write a bat.
Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Diffstat (limited to 'lib_ppc/bat_rw.c')
| -rw-r--r-- | lib_ppc/bat_rw.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib_ppc/bat_rw.c b/lib_ppc/bat_rw.c index a40b377..c48c240 100644 --- a/lib_ppc/bat_rw.c +++ b/lib_ppc/bat_rw.c @@ -27,14 +27,23 @@ #include <asm/mmu.h> #include <asm/io.h> +#ifdef CONFIG_ADDR_MAP +#include <addr_map.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) { + int batn = -1; + sync(); switch (bat) { case DBAT0: mtspr (DBAT0L, lower); mtspr (DBAT0U, upper); + batn = 0; break; case IBAT0: mtspr (IBAT0L, lower); @@ -43,6 +52,7 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) case DBAT1: mtspr (DBAT1L, lower); mtspr (DBAT1U, upper); + batn = 1; break; case IBAT1: mtspr (IBAT1L, lower); @@ -51,6 +61,7 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) case DBAT2: mtspr (DBAT2L, lower); mtspr (DBAT2U, upper); + batn = 2; break; case IBAT2: mtspr (IBAT2L, lower); @@ -59,6 +70,7 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) case DBAT3: mtspr (DBAT3L, lower); mtspr (DBAT3U, upper); + batn = 3; break; case IBAT3: mtspr (IBAT3L, lower); @@ -68,6 +80,7 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) case DBAT4: mtspr (DBAT4L, lower); mtspr (DBAT4U, upper); + batn = 4; break; case IBAT4: mtspr (IBAT4L, lower); @@ -76,6 +89,7 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) case DBAT5: mtspr (DBAT5L, lower); mtspr (DBAT5U, upper); + batn = 5; break; case IBAT5: mtspr (IBAT5L, lower); @@ -84,6 +98,7 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) case DBAT6: mtspr (DBAT6L, lower); mtspr (DBAT6U, upper); + batn = 6; break; case IBAT6: mtspr (IBAT6L, lower); @@ -92,6 +107,7 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) case DBAT7: mtspr (DBAT7L, lower); mtspr (DBAT7U, upper); + batn = 7; break; case IBAT7: mtspr (IBAT7L, lower); @@ -102,6 +118,18 @@ int write_bat (ppc_bat_t bat, unsigned long upper, unsigned long lower) return (-1); } +#ifdef CONFIG_ADDR_MAP + if ((gd->flags & GD_FLG_RELOC) && (batn >= 0)) { + phys_size_t size; + if (!BATU_VALID(upper)) + size = 0; + else + size = BATU_SIZE(upper); + addrmap_set_entry(BATU_VADDR(upper), BATL_PADDR(lower), + size, batn); + } +#endif + sync(); isync(); |