avr32: Enable SDRAMC clock at startup

The SDRAM controller needs a clock in order to respond to our
commands, and suspend doesn't work very well without the SDRAM in
self-refresh mode.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index baf4680..3ee5e72 100644 (file)
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -675,6 +675,14 @@ static struct clk hramc_clk = {
        .users          = 1,
        .index          = 3,
 };
+static struct clk sdramc_clk = {
+       .name           = "sdramc_clk",
+       .parent         = &pbb_clk,
+       .mode           = pbb_clk_mode,
+       .get_rate       = pbb_clk_get_rate,
+       .users          = 1,
+       .index          = 14,
+};
 
 static struct resource smc0_resource[] = {
        PBMEM(0xfff03400),
@@ -1998,6 +2006,7 @@ struct clk *at32_clock_list[] = {
        &hmatrix_clk,
        &ebi_clk,
        &hramc_clk,
+       &sdramc_clk,
        &smc0_pclk,
        &smc0_mck,
        &pdc_hclk,