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authorFabio Estevam <fabio.estevam@freescale.com>2014-11-14 09:37:01 -0200
committerStefano Babic <sbabic@denx.de>2014-11-20 10:30:11 +0100
commit7d29acd9b72128d153707c1a71bcd692b42f791c (patch)
treef3b316fc184995a0c88328234d5fd27aa8c4d3e1
parente25fbe3fe531029dc7b100ea4c79dbc802e17fc2 (diff)
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novena: Move the DCD settings to spl code
mx6sabresd_spl.cfg configures CCM registers, GPR registers and CCM_CCOSR. Move the configuration to the spl code. CCM_CCOSR setting is no longer required to get audio functionality in the kernel, so remove such setting. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Reviewed-by: Marek Vasut <marex@denx.de>
-rw-r--r--board/kosagi/novena/novena_spl.c28
-rw-r--r--board/kosagi/novena/setup.cfg31
2 files changed, 28 insertions, 31 deletions
diff --git a/board/kosagi/novena/novena_spl.c b/board/kosagi/novena/novena_spl.c
index c4155dd..c07735a 100644
--- a/board/kosagi/novena/novena_spl.c
+++ b/board/kosagi/novena/novena_spl.c
@@ -17,6 +17,7 @@
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/mxc_i2c.h>
+#include <asm/arch/crm_regs.h>
#include <i2c.h>
#include <mmc.h>
#include <fsl_esdhc.h>
@@ -533,6 +534,30 @@ static struct mx6_ddr3_cfg elpida_4gib_1600 = {
.trasmin = 3590,
};
+static void ccgr_init(void)
+{
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ writel(0x00C03F3F, &ccm->CCGR0);
+ writel(0x0030FC03, &ccm->CCGR1);
+ writel(0x0FFFC000, &ccm->CCGR2);
+ writel(0x3FF00000, &ccm->CCGR3);
+ writel(0xFFFFF300, &ccm->CCGR4);
+ writel(0x0F0000C3, &ccm->CCGR5);
+ writel(0x000003FF, &ccm->CCGR6);
+}
+
+static void gpr_init(void)
+{
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ /* enable AXI cache for VDOA/VPU/IPU */
+ writel(0xF00000CF, &iomux->gpr[4]);
+ /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+ writel(0x007F007F, &iomux->gpr[6]);
+ writel(0x007F007F, &iomux->gpr[7]);
+}
+
/*
* called from C runtime startup code (arch/arm/lib/crt0.S:_main)
* - we have a stack and a place to store GD, both in SRAM
@@ -543,6 +568,9 @@ void board_init_f(ulong dummy)
/* setup AIPS and disable watchdog */
arch_cpu_init();
+ ccgr_init();
+ gpr_init();
+
/* setup GP timer */
timer_init();
diff --git a/board/kosagi/novena/setup.cfg b/board/kosagi/novena/setup.cfg
index 18d139c..a79d1f7 100644
--- a/board/kosagi/novena/setup.cfg
+++ b/board/kosagi/novena/setup.cfg
@@ -14,34 +14,3 @@ IMAGE_VERSION 2
/* Boot Device : sd */
BOOT_FROM sd
-
-#define __ASSEMBLY__
-#include <config.h>
-#include "asm/arch/iomux.h"
-#include "asm/arch/crm_regs.h"
-
-/* set the default clock gate to save power */
-DATA 4, CCM_CCGR0, 0x00C03F3F
-DATA 4, CCM_CCGR1, 0x0030FC03
-DATA 4, CCM_CCGR2, 0x0FFFC000
-DATA 4, CCM_CCGR3, 0x3FF00000
-DATA 4, CCM_CCGR4, 0xFFFFF300 /* enable NAND/GPMI/BCH clocks */
-DATA 4, CCM_CCGR5, 0x0F0000C3
-DATA 4, CCM_CCGR6, 0x000003FF
-
-/* enable AXI cache for VDOA/VPU/IPU */
-DATA 4, MX6_IOMUXC_GPR4, 0xF00000CF
-/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
-DATA 4, MX6_IOMUXC_GPR6, 0x007F007F
-DATA 4, MX6_IOMUXC_GPR7, 0x007F007F
-
-/*
- * Setup CCM_CCOSR register as follows:
- *
- * cko1_en = 1 --> CKO1 enabled
- * cko1_div = 111 --> divide by 8
- * cko1_sel = 1011 --> ahb_clk_root
- *
- * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
- */
-DATA 4, CCM_CCOSR, 0x000000fb