From: Grazvydas Ignotas Date: Sat, 24 Mar 2012 19:35:03 +0000 (+0200) Subject: add 36xx reclocking code X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=754389cdcb8f3ce8e9272aa3db84b9d385c94b37;p=pandora-x-loader.git add 36xx reclocking code --- diff --git a/board/pandora/pandora.c b/board/pandora/pandora.c index 3711155..f3ffab3 100644 --- a/board/pandora/pandora.c +++ b/board/pandora/pandora.c @@ -228,6 +228,14 @@ static void config_sdram_ddr(u32 cpu_family) __raw_writel(MICRON_V_ACTIMB_200_2, SDRC_ACTIM_CTRLB_1); __raw_writel(SDP_3430_SDRC_RFR_CTRL_200MHz, SDRC_RFR_CTRL_0); __raw_writel(SDP_3430_SDRC_RFR_CTRL_200MHz, SDRC_RFR_CTRL_1); + + /* reprogram CORE DPLL to 400MHz */ + sr32(CM_CLKEN_PLL, 0, 3, PLL_FAST_RELOCK_BYPASS); + wait_on_value(BIT0, 0, CM_IDLEST_CKGEN, LDELAY); + sr32(CM_CLKSEL1_PLL, 16, 11, 400); /* Set M */ + sr32(CM_CLKSEL1_PLL, 8, 7, N_13); /* Set N */ + sr32(CM_CLKEN_PLL, 0, 3, PLL_LOCK); /* lock mode */ + wait_on_value(BIT0, 1, CM_IDLEST_CKGEN, LDELAY); } else { __raw_writel(MICRON_V_ACTIMA_165, SDRC_ACTIM_CTRLA_0); __raw_writel(MICRON_V_ACTIMB_165, SDRC_ACTIM_CTRLB_0); @@ -381,8 +389,9 @@ void prcm_init_(u32 cpu_family) wait_on_value(BIT1, 2, CM_IDLEST_CKGEN, LDELAY); /* MPU DPLL (unlocked already) */ + m = (cpu_family == CPU_OMAP36XX) ? 600 : 500; sr32(CM_CLKSEL2_PLL_MPU, 0, 5, 0x01); /* Set M2 */ - sr32(CM_CLKSEL1_PLL_MPU, 8, 11, 500); /* Set M */ + sr32(CM_CLKSEL1_PLL_MPU, 8, 11, m); /* Set M */ sr32(CM_CLKSEL1_PLL_MPU, 0, 7, 0x0C); /* Set N */ sr32(CM_CLKEN_PLL_MPU, 4, 4, 0x03); /* FREQSEL */ sr32(CM_CLKEN_PLL_MPU, 0, 3, PLL_LOCK); /* lock mode */