diff options
| author | Ron Madrid <ron_madrid@sbcglobal.net> | 2010-04-28 16:04:43 -0700 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2010-05-07 12:19:52 -0500 |
| commit | 3b439792b0781921c599d8af9bed6a771d295b53 (patch) | |
| tree | 88e2946fbd7771404999751da2fbfcaec38af99e /board/sheldon | |
| parent | 767fdc4af684770f5e97a6c5e19a8ac2616b8329 (diff) | |
| download | u-boot-imx-3b439792b0781921c599d8af9bed6a771d295b53.zip u-boot-imx-3b439792b0781921c599d8af9bed6a771d295b53.tar.gz u-boot-imx-3b439792b0781921c599d8af9bed6a771d295b53.tar.bz2 | |
mpc83xx: Add UPMA configuration to SIMPC8313
Added UPM array table, upmconfig, and Local Bus configuration support for SIMPC8313
Signed-off-by: Ron Madrid <ron_madrid@sbcglobal.net>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'board/sheldon')
| -rw-r--r-- | board/sheldon/simpc8313/simpc8313.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/board/sheldon/simpc8313/simpc8313.c b/board/sheldon/simpc8313/simpc8313.c index 1044de2..0235545 100644 --- a/board/sheldon/simpc8313/simpc8313.c +++ b/board/sheldon/simpc8313/simpc8313.c @@ -29,6 +29,7 @@ #include <mpc83xx.h> #include <ns16550.h> #include <nand.h> +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -91,6 +92,40 @@ void pci_init_board(void) int misc_init_r(void) { int rc = 0; + immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + fsl_lbus_t *lbus = &immap->lbus; + u32 *mxmr = &lbus->mamr; /* Pointer to mamr */ + + /* UPM Table Configuration Code */ + static uint UPMATable[] = { + /* Read Single-Beat (RSS) */ + 0x0fff0c00, 0x0fffdc00, 0x0fff0c05, 0xfffffc00, + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + /* Read Burst (RBS) */ + 0x0fff0c00, 0x0ffcdc00, 0x0ffc0c00, 0x0ffc0f0c, + 0x0ffccf0c, 0x0ffc0f0c, 0x0ffcce0c, 0x3ffc0c05, + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + /* Write Single-Beat (WSS) */ + 0x0ffc0c00, 0x0ffcdc00, 0x0ffc0c05, 0xfffffc00, + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + /* Write Burst (WBS) */ + 0x0ffc0c00, 0x0fffcc0c, 0x0fff0c00, 0x0fffcc00, + 0x0fff1c00, 0x0fffcf0c, 0x0fff0f0c, 0x0fffcf0c, + 0x0fff0c0c, 0x0fffcc0c, 0x0fff0c05, 0xfffffc00, + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + /* Refresh Timer (RTS) */ + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, + /* Exception Condition (EXS) */ + 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01 + }; + + upmconfig(UPMA, UPMATable, sizeof(UPMATable) / sizeof(UPMATable[0])); + + /* Set LUPWAIT to be active low and enabled */ + out_be32(mxmr, MxMR_UWPL | MxMR_GPL_x4DIS); return rc; } |