diff options
| author | Karol Gugala <kgugala@antmicro.com> | 2015-07-23 14:33:01 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2015-08-08 16:26:19 +0200 |
| commit | ad008299712bbcaf822ebac0f4ab88069e1a1372 (patch) | |
| tree | ffcaf13bf1d1feb39342cfbe7102baba1e5b84eb /board/sunxi | |
| parent | 38c4f8ba4c27fd0c7eb02fa1cdafc3e87e533573 (diff) | |
sunxi: nand: Add pinmux and clock settings for NAND support
To enable NAND flash in sunxi SPL,
pins 0-6, 8-22 and 24 on port C are configured.
Signed-off-by: Karol Gugala <kgugala@antmicro.com>
Signed-off-by: Piotr Zierhoffer <pzierhoffer@antmicro.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'board/sunxi')
| -rw-r--r-- | board/sunxi/board.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index afed6a31cab..f85e825891b 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -107,6 +107,28 @@ int dram_init(void) return 0; } +#if defined(CONFIG_SPL_NAND_SUNXI) && defined(CONFIG_SPL_BUILD) +static void nand_pinmux_setup(void) +{ + unsigned int pin; + for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(6); pin++) + sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND); + + for (pin = SUNXI_GPC(8); pin <= SUNXI_GPC(22); pin++) + sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND); + + sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_NAND); +} + +static void nand_clock_setup(void) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0)); + setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1); +} +#endif + #ifdef CONFIG_GENERIC_MMC static void mmc_pinmux_setup(int sdc) { @@ -431,6 +453,11 @@ void sunxi_board_init(void) power_failed |= axp221_set_eldo(3, CONFIG_AXP221_ELDO3_VOLT); #endif +#ifdef CONFIG_SPL_NAND_SUNXI + nand_pinmux_setup(); + nand_clock_setup(); +#endif + printf("DRAM:"); ramsize = sunxi_dram_init(); printf(" %lu MiB\n", ramsize >> 20); |