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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2014-11-14 09:37:01 -0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-11-20 10:30:11 +0100 |
| commit | 7d29acd9b72128d153707c1a71bcd692b42f791c (patch) | |
| tree | f3b316fc184995a0c88328234d5fd27aa8c4d3e1 /board/kosagi | |
| parent | e25fbe3fe531029dc7b100ea4c79dbc802e17fc2 (diff) | |
| download | u-boot-7d29acd9b72128d153707c1a71bcd692b42f791c.tar.gz u-boot-7d29acd9b72128d153707c1a71bcd692b42f791c.tar.bz2 u-boot-7d29acd9b72128d153707c1a71bcd692b42f791c.zip | |
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>
Diffstat (limited to 'board/kosagi')
| -rw-r--r-- | board/kosagi/novena/novena_spl.c | 28 | ||||
| -rw-r--r-- | board/kosagi/novena/setup.cfg | 31 |
2 files changed, 28 insertions, 31 deletions
diff --git a/board/kosagi/novena/novena_spl.c b/board/kosagi/novena/novena_spl.c index c4155ddee2..c07735ad03 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 18d139c342..a79d1f7768 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 |