diff options
Diffstat (limited to 'board/engicam/icorem6_rqs/icorem6_rqs.c')
| -rw-r--r-- | board/engicam/icorem6_rqs/icorem6_rqs.c | 285 |
1 files changed, 1 insertions, 284 deletions
diff --git a/board/engicam/icorem6_rqs/icorem6_rqs.c b/board/engicam/icorem6_rqs/icorem6_rqs.c index 1d07393..854a34e 100644 --- a/board/engicam/icorem6_rqs/icorem6_rqs.c +++ b/board/engicam/icorem6_rqs/icorem6_rqs.c @@ -88,21 +88,8 @@ int dram_init(void) } #ifdef CONFIG_SPL_BUILD -#include <libfdt.h> #include <spl.h> -#include <asm/arch/crm_regs.h> -#include <asm/arch/mx6-ddr.h> - -#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ - PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ - PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) - -static iomux_v3_cfg_t const uart4_pads[] = { - IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), - IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), -}; - /* MMC board initialization is needed till adding DM support in SPL */ #if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_DM_MMC) #include <mmc.h> @@ -228,274 +215,4 @@ int board_fit_config_name_match(const char *name) return -1; } #endif - -/* - * Driving strength: - * 0x30 == 40 Ohm - * 0x28 == 48 Ohm - */ - -#define IMX6DQ_DRIVE_STRENGTH 0x30 -#define IMX6SDL_DRIVE_STRENGTH 0x28 - -/* configure MX6Q/DUAL mmdc DDR io registers */ -static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = { - .dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH, - .dram_dqm0 = IMX6DQ_DRIVE_STRENGTH, - .dram_dqm1 = IMX6DQ_DRIVE_STRENGTH, - .dram_dqm2 = IMX6DQ_DRIVE_STRENGTH, - .dram_dqm3 = IMX6DQ_DRIVE_STRENGTH, - .dram_dqm4 = IMX6DQ_DRIVE_STRENGTH, - .dram_dqm5 = IMX6DQ_DRIVE_STRENGTH, - .dram_dqm6 = IMX6DQ_DRIVE_STRENGTH, - .dram_dqm7 = IMX6DQ_DRIVE_STRENGTH, - .dram_cas = IMX6DQ_DRIVE_STRENGTH, - .dram_ras = IMX6DQ_DRIVE_STRENGTH, - .dram_sdclk_0 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH, - .dram_reset = IMX6DQ_DRIVE_STRENGTH, - .dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdba2 = 0x00000000, - .dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH, - .dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH, -}; - -/* configure MX6Q/DUAL mmdc GRP io registers */ -static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = { - .grp_b0ds = IMX6DQ_DRIVE_STRENGTH, - .grp_b1ds = IMX6DQ_DRIVE_STRENGTH, - .grp_b2ds = IMX6DQ_DRIVE_STRENGTH, - .grp_b3ds = IMX6DQ_DRIVE_STRENGTH, - .grp_b4ds = IMX6DQ_DRIVE_STRENGTH, - .grp_b5ds = IMX6DQ_DRIVE_STRENGTH, - .grp_b6ds = IMX6DQ_DRIVE_STRENGTH, - .grp_b7ds = IMX6DQ_DRIVE_STRENGTH, - .grp_addds = IMX6DQ_DRIVE_STRENGTH, - .grp_ddrmode_ctl = 0x00020000, - .grp_ddrpke = 0x00000000, - .grp_ddrmode = 0x00020000, - .grp_ctlds = IMX6DQ_DRIVE_STRENGTH, - .grp_ddr_type = 0x000c0000, -}; - -/* configure MX6SOLO/DUALLITE mmdc DDR io registers */ -struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = { - .dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH, - .dram_cas = IMX6SDL_DRIVE_STRENGTH, - .dram_ras = IMX6SDL_DRIVE_STRENGTH, - .dram_reset = IMX6SDL_DRIVE_STRENGTH, - .dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdba2 = 0x00000000, - .dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH, - .dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH, - .dram_dqm0 = IMX6SDL_DRIVE_STRENGTH, - .dram_dqm1 = IMX6SDL_DRIVE_STRENGTH, - .dram_dqm2 = IMX6SDL_DRIVE_STRENGTH, - .dram_dqm3 = IMX6SDL_DRIVE_STRENGTH, - .dram_dqm4 = IMX6SDL_DRIVE_STRENGTH, - .dram_dqm5 = IMX6SDL_DRIVE_STRENGTH, - .dram_dqm6 = IMX6SDL_DRIVE_STRENGTH, - .dram_dqm7 = IMX6SDL_DRIVE_STRENGTH, -}; - -/* configure MX6SOLO/DUALLITE mmdc GRP io registers */ -struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = { - .grp_ddr_type = 0x000c0000, - .grp_ddrmode_ctl = 0x00020000, - .grp_ddrpke = 0x00000000, - .grp_addds = IMX6SDL_DRIVE_STRENGTH, - .grp_ctlds = IMX6SDL_DRIVE_STRENGTH, - .grp_ddrmode = 0x00020000, - .grp_b0ds = IMX6SDL_DRIVE_STRENGTH, - .grp_b1ds = IMX6SDL_DRIVE_STRENGTH, - .grp_b2ds = IMX6SDL_DRIVE_STRENGTH, - .grp_b3ds = IMX6SDL_DRIVE_STRENGTH, - .grp_b4ds = IMX6SDL_DRIVE_STRENGTH, - .grp_b5ds = IMX6SDL_DRIVE_STRENGTH, - .grp_b6ds = IMX6SDL_DRIVE_STRENGTH, - .grp_b7ds = IMX6SDL_DRIVE_STRENGTH, -}; - -/* mt41j256 */ -static struct mx6_ddr3_cfg mt41j256 = { - .mem_speed = 1066, - .density = 2, - .width = 16, - .banks = 8, - .rowaddr = 13, - .coladdr = 10, - .pagesz = 2, - .trcd = 1375, - .trcmin = 4875, - .trasmin = 3500, - .SRT = 0, -}; - -static struct mx6_mmdc_calibration mx6dq_mmdc_calib = { - .p0_mpwldectrl0 = 0x000E0009, - .p0_mpwldectrl1 = 0x0018000E, - .p1_mpwldectrl0 = 0x00000007, - .p1_mpwldectrl1 = 0x00000000, - .p0_mpdgctrl0 = 0x43280334, - .p0_mpdgctrl1 = 0x031C0314, - .p1_mpdgctrl0 = 0x4318031C, - .p1_mpdgctrl1 = 0x030C0258, - .p0_mprddlctl = 0x3E343A40, - .p1_mprddlctl = 0x383C3844, - .p0_mpwrdlctl = 0x40404440, - .p1_mpwrdlctl = 0x4C3E4446, -}; - -/* DDR 64bit */ -static struct mx6_ddr_sysinfo mem_q = { - .ddr_type = DDR_TYPE_DDR3, - .dsize = 2, - .cs1_mirror = 0, - /* config for full 4GB range so that get_mem_size() works */ - .cs_density = 32, - .ncs = 1, - .bi_on = 1, - .rtt_nom = 2, - .rtt_wr = 2, - .ralat = 5, - .walat = 0, - .mif3_mode = 3, - .rst_to_cke = 0x23, - .sde_to_rst = 0x10, -}; - -static struct mx6_mmdc_calibration mx6dl_mmdc_calib = { - .p0_mpwldectrl0 = 0x001F0024, - .p0_mpwldectrl1 = 0x00110018, - .p1_mpwldectrl0 = 0x001F0024, - .p1_mpwldectrl1 = 0x00110018, - .p0_mpdgctrl0 = 0x4230022C, - .p0_mpdgctrl1 = 0x02180220, - .p1_mpdgctrl0 = 0x42440248, - .p1_mpdgctrl1 = 0x02300238, - .p0_mprddlctl = 0x44444A48, - .p1_mprddlctl = 0x46484A42, - .p0_mpwrdlctl = 0x38383234, - .p1_mpwrdlctl = 0x3C34362E, -}; - -/* DDR 64bit 1GB */ -static struct mx6_ddr_sysinfo mem_dl = { - .dsize = 2, - .cs1_mirror = 0, - /* config for full 4GB range so that get_mem_size() works */ - .cs_density = 32, - .ncs = 1, - .bi_on = 1, - .rtt_nom = 1, - .rtt_wr = 1, - .ralat = 5, - .walat = 0, - .mif3_mode = 3, - .rst_to_cke = 0x23, - .sde_to_rst = 0x10, -}; - -/* DDR 32bit 512MB */ -static struct mx6_ddr_sysinfo mem_s = { - .dsize = 1, - .cs1_mirror = 0, - /* config for full 4GB range so that get_mem_size() works */ - .cs_density = 32, - .ncs = 1, - .bi_on = 1, - .rtt_nom = 1, - .rtt_wr = 1, - .ralat = 5, - .walat = 0, - .mif3_mode = 3, - .rst_to_cke = 0x23, - .sde_to_rst = 0x10, -}; - -static void ccgr_init(void) -{ - struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; - - writel(0x00003F3F, &ccm->CCGR0); - writel(0x0030FC00, &ccm->CCGR1); - writel(0x000FC000, &ccm->CCGR2); - writel(0x3F300000, &ccm->CCGR3); - writel(0xFF00F300, &ccm->CCGR4); - writel(0x0F0000C3, &ccm->CCGR5); - writel(0x000003CC, &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]); -} - -static void spl_dram_init(void) -{ - if (is_mx6solo()) { - mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); - mx6_dram_cfg(&mem_s, &mx6dl_mmdc_calib, &mt41j256); - } else if (is_mx6dl()) { - mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); - mx6_dram_cfg(&mem_dl, &mx6dl_mmdc_calib, &mt41j256); - } else if (is_mx6dq()) { - mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs); - mx6_dram_cfg(&mem_q, &mx6dq_mmdc_calib, &mt41j256); - } - - udelay(100); -} - -void board_init_f(ulong dummy) -{ - ccgr_init(); - - /* setup AIPS and disable watchdog */ - arch_cpu_init(); - - gpr_init(); - - /* iomux */ - SETUP_IOMUX_PADS(uart4_pads); - - /* setup GP timer */ - timer_init(); - - /* UART clocks enabled and gd valid - init serial console */ - preloader_console_init(); - - /* DDR initialization */ - spl_dram_init(); - - /* Clear the BSS. */ - memset(__bss_start, 0, __bss_end - __bss_start); - - /* load/boot image from boot device */ - board_init_r(NULL, 0); -} -#endif +#endif /* CONFIG_SPL_BUILD */ |