Sorry, missed the below in the first reply
On 11/23/11 11:26, Stefano Babic wrote:
The twister board is a development board using the TAM3517 SOM.
Support for NAND, 2 Ethernet (EMAC and SMC911), USB (EHCI_OMAP).
Signed-off-by: Stefano Babic sbabic@denx.de CC: Tapani Utrianen tapani@technexion.com CC: Tom Rini tom.rini@gmail.com CC: Sandeep Paulraj s-paulraj@ti.com
MAINTAINERS | 1 + board/technexion/twister/Makefile | 44 ++++ board/technexion/twister/twister.c | 126 +++++++++++ board/technexion/twister/twister.h | 400 ++++++++++++++++++++++++++++++++++++ boards.cfg | 1 + include/configs/twister.h | 103 +++++++++ 6 files changed, 675 insertions(+), 0 deletions(-) create mode 100644 board/technexion/twister/Makefile create mode 100644 board/technexion/twister/twister.c create mode 100644 board/technexion/twister/twister.h create mode 100644 include/configs/twister.h
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diff --git a/board/technexion/twister/twister.c b/board/technexion/twister/twister.c new file mode 100644 index 0000000..89a4d81 --- /dev/null +++ b/board/technexion/twister/twister.c
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+/*
- Routine: board_init
- Description: Early hardware init.
- */
+int board_init(void) +{
- gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
- /* boot param addr */
- gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
- writel(0x00000000, &gpmc_cfg->cs[1].config1);
- writel(0x001e1e01, &gpmc_cfg->cs[1].config2);
- writel(0x00080300, &gpmc_cfg->cs[1].config3);
- writel(0x1c091c09, &gpmc_cfg->cs[1].config4);
- writel(0x04181f1f, &gpmc_cfg->cs[1].config5);
- writel(0x00000FCF, &gpmc_cfg->cs[1].config6);
- writel(0x00000f61, &gpmc_cfg->cs[1].config7);
- writel(0x00000000, &gpmc_cfg->cs[3].config1);
- writel(0x001e1e01, &gpmc_cfg->cs[3].config2);
- writel(0x00080300, &gpmc_cfg->cs[3].config3);
- writel(0x1c091c09, &gpmc_cfg->cs[3].config4);
- writel(0x04181f1f, &gpmc_cfg->cs[3].config5);
- writel(0x00000FCF, &gpmc_cfg->cs[3].config6);
- writel(0x00000f63, &gpmc_cfg->cs[3].config7);
Can there be an explanation of what's that and why is it needed? Also, it looks like you are writing the same values to both chip selects. Can enable_gpmc_cs_config() function be used here as well and the values documented (e.g. NET_GPMC_CONFIGx)?
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