diff options
author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-10-27 11:43:17 +0200 |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-10-27 11:43:17 +0200 |
commit | f04821a8ca714459481bd9fd315af2b5f92d99a6 (patch) | |
tree | cf5ec812082840d228f67ef82e8be4d647ff3322 /arch/arm/cpu | |
parent | b68d6712c379735e886ef9c01b946bc36f295273 (diff) | |
parent | 01968b96a24414ff8f0735111907cbb750c7af43 (diff) | |
download | u-boot-imx-f04821a8ca714459481bd9fd315af2b5f92d99a6.zip u-boot-imx-f04821a8ca714459481bd9fd315af2b5f92d99a6.tar.gz u-boot-imx-f04821a8ca714459481bd9fd315af2b5f92d99a6.tar.bz2 |
Merge remote-tracking branch 'u-boot-imx/master'
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r-- | arch/arm/cpu/arm1136/mx35/generic.c | 14 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx5/clock.c | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx5/lowlevel_init.S | 158 |
3 files changed, 129 insertions, 45 deletions
diff --git a/arch/arm/cpu/arm1136/mx35/generic.c b/arch/arm/cpu/arm1136/mx35/generic.c index 7dc1a8e..41e9639 100644 --- a/arch/arm/cpu/arm1136/mx35/generic.c +++ b/arch/arm/cpu/arm1136/mx35/generic.c @@ -361,8 +361,12 @@ unsigned int mxc_get_clock(enum mxc_clock clk) return get_ipg_per_clk(); case MXC_UART_CLK: return imx_get_uartclk(); - case MXC_ESDHC_CLK: + case MXC_ESDHC1_CLK: return mxc_get_peri_clock(ESDHC1_CLK); + case MXC_ESDHC2_CLK: + return mxc_get_peri_clock(ESDHC2_CLK); + case MXC_ESDHC3_CLK: + return mxc_get_peri_clock(ESDHC3_CLK); case MXC_USB_CLK: return mxc_get_main_clock(USB_CLK); case MXC_FEC_CLK: @@ -472,7 +476,13 @@ int cpu_mmc_init(bd_t *bis) int get_clocks(void) { #ifdef CONFIG_FSL_ESDHC - gd->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); +#if CONFIG_SYS_FSL_ESDHC_ADDR == MMC_SDHC2_BASE_ADDR + gd->sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); +#elif CONFIG_SYS_FSL_ESDHC_ADDR == MMC_SDHC3_BASE_ADDR + gd->sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); +#else + gd->sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK); +#endif #endif return 0; } diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c index 2709860..1c9223f 100644 --- a/arch/arm/cpu/armv7/mx5/clock.c +++ b/arch/arm/cpu/armv7/mx5/clock.c @@ -338,7 +338,7 @@ static u32 get_ipg_per_clk(void) /* Get the output clock rate of a standard PLL MUX for peripherals. */ static u32 get_standard_pll_sel_clk(u32 clk_sel) { - u32 freq; + u32 freq = 0; switch (clk_sel & 0x3) { case 0: diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S index 529e35b..29ec957 100644 --- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S +++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S @@ -26,6 +26,13 @@ .section ".text.init", "x" +.macro init_arm_erratum + /* ARM erratum ID #468414 */ + mrc 15, 0, r1, c1, c0, 1 + orr r1, r1, #(1 << 5) /* enable L1NEON bit */ + mcr 15, 0, r1, c1, c0, 1 +.endm + /* * L2CC Cache setup/invalidation/disable */ @@ -162,9 +169,9 @@ setup_pll_func: .endm .macro init_clock +#if defined (CONFIG_MX51) ldr r0, =CCM_BASE_ADDR -#if defined(CONFIG_MX51) /* Gate of clocks to the peripherals first */ ldr r1, =0x3FFFFFFF str r1, [r0, #CLKCTL_CCGR0] @@ -190,21 +197,6 @@ setup_pll_func: 1: ldr r1, [r0, #CLKCTL_CDHIPR] cmp r1, #0x0 bne 1b -#else - ldr r1, =0x3FFFFFFF - str r1, [r0, #CLKCTL_CCGR0] - str r4, [r0, #CLKCTL_CCGR1] - str r4, [r0, #CLKCTL_CCGR2] - str r4, [r0, #CLKCTL_CCGR3] - str r4, [r0, #CLKCTL_CCGR7] - - ldr r1, =0x00030000 - str r1, [r0, #CLKCTL_CCGR4] - ldr r1, =0x00FFF030 - str r1, [r0, #CLKCTL_CCGR5] - ldr r1, =0x0F00030F - str r1, [r0, #CLKCTL_CCGR6] -#endif /* Switch ARM to step clock */ mov r1, #0x4 @@ -217,7 +209,6 @@ setup_pll_func: setup_pll PLL1_BASE_ADDR, 800 #endif -#if defined(CONFIG_MX51) setup_pll PLL3_BASE_ADDR, 665 /* Switch peripheral to PLL 3 */ @@ -234,7 +225,7 @@ setup_pll_func: str r1, [r0, #CLKCTL_CBCDR] ldr r1, =0x000020C0 | CONFIG_SYS_DDR_CLKSEL str r1, [r0, #CLKCTL_CBCMR] -#endif + setup_pll PLL3_BASE_ADDR, 216 /* Set the platform clock dividers */ @@ -244,21 +235,17 @@ setup_pll_func: ldr r0, =CCM_BASE_ADDR -#if defined(CONFIG_MX51) /* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */ ldr r3, [r4, #ROM_SI_REV] cmp r3, #0x10 movls r1, #0x1 movhi r1, #0 -#else - mov r1, #0 -#endif + str r1, [r0, #CLKCTL_CACRR] /* Switch ARM back to PLL 1 */ str r4, [r0, #CLKCTL_CCSR] -#if defined(CONFIG_MX51) /* setup the rest */ /* Use lp_apm (24MHz) source for perclk */ ldr r1, =0x000020C2 | CONFIG_SYS_DDR_CLKSEL @@ -266,7 +253,6 @@ setup_pll_func: /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */ ldr r1, =CONFIG_SYS_CLKTL_CBCDR str r1, [r0, #CLKCTL_CBCDR] -#endif /* Restore the default values in the Gate registers */ ldr r1, =0xFFFFFFFF @@ -277,47 +263,127 @@ setup_pll_func: str r1, [r0, #CLKCTL_CCGR4] str r1, [r0, #CLKCTL_CCGR5] str r1, [r0, #CLKCTL_CCGR6] -#if defined(CONFIG_MX53) - str r1, [r0, #CLKCTL_CCGR7] -#endif -#if defined(CONFIG_MX51) /* Use PLL 2 for UART's, get 66.5MHz from it */ ldr r1, =0xA5A2A020 str r1, [r0, #CLKCTL_CSCMR1] ldr r1, =0x00C30321 str r1, [r0, #CLKCTL_CSCDR1] -#elif defined(CONFIG_MX53) + /* make sure divider effective */ +1: ldr r1, [r0, #CLKCTL_CDHIPR] + cmp r1, #0x0 + bne 1b + + str r4, [r0, #CLKCTL_CCDR] + + /* for cko - for ARM div by 8 */ + mov r1, #0x000A0000 + add r1, r1, #0x00000F0 + str r1, [r0, #CLKCTL_CCOSR] +#else /* CONFIG_MX53 */ + ldr r0, =CCM_BASE_ADDR + + /* Gate of clocks to the peripherals first */ + ldr r1, =0x3FFFFFFF + str r1, [r0, #CLKCTL_CCGR0] + str r4, [r0, #CLKCTL_CCGR1] + str r4, [r0, #CLKCTL_CCGR2] + str r4, [r0, #CLKCTL_CCGR3] + str r4, [r0, #CLKCTL_CCGR7] + ldr r1, =0x00030000 + str r1, [r0, #CLKCTL_CCGR4] + ldr r1, =0x00FFF030 + str r1, [r0, #CLKCTL_CCGR5] + ldr r1, =0x0F00030F + str r1, [r0, #CLKCTL_CCGR6] + + /* Switch ARM to step clock */ + mov r1, #0x4 + str r1, [r0, #CLKCTL_CCSR] + + setup_pll PLL1_BASE_ADDR, 800 + + setup_pll PLL3_BASE_ADDR, 400 + + /* Switch peripheral to PLL3 */ + ldr r0, =CCM_BASE_ADDR + ldr r1, =0x00015154 + str r1, [r0, #CLKCTL_CBCMR] + ldr r1, =0x02888945 + orr r1, r1, #(1 << 16) + str r1, [r0, #CLKCTL_CBCDR] + /* make sure change is effective */ +1: ldr r1, [r0, #CLKCTL_CDHIPR] + cmp r1, #0x0 + bne 1b + + setup_pll PLL2_BASE_ADDR, 400 + /* Switch peripheral to PLL2 */ ldr r0, =CCM_BASE_ADDR ldr r1, =0x00808145 - orr r1, r1, #2 << 10 - orr r1, r1, #1 << 19 + orr r1, r1, #(2 << 10) + orr r1, r1, #(0 << 16) + orr r1, r1, #(1 << 19) str r1, [r0, #CLKCTL_CBCDR] ldr r1, =0x00016154 str r1, [r0, #CLKCTL_CBCMR] - /* Change uart clk parent to pll2*/ + + /*change uart clk parent to pll2*/ ldr r1, [r0, #CLKCTL_CSCMR1] and r1, r1, #0xfcffffff orr r1, r1, #0x01000000 str r1, [r0, #CLKCTL_CSCMR1] + + /* make sure change is effective */ +1: ldr r1, [r0, #CLKCTL_CDHIPR] + cmp r1, #0x0 + bne 1b + + setup_pll PLL3_BASE_ADDR, 216 + + setup_pll PLL4_BASE_ADDR, 455 + + /* Set the platform clock dividers */ + ldr r0, =ARM_BASE_ADDR + ldr r1, =0x00000124 + str r1, [r0, #0x14] + + ldr r0, =CCM_BASE_ADDR + mov r1, #0 + str r1, [r0, #CLKCTL_CACRR] + + /* Switch ARM back to PLL 1. */ + mov r1, #0x0 + str r1, [r0, #CLKCTL_CCSR] + + /* make uart div=6 */ ldr r1, [r0, #CLKCTL_CSCDR1] and r1, r1, #0xffffffc0 orr r1, r1, #0x0a str r1, [r0, #CLKCTL_CSCDR1] -#endif - /* make sure divider effective */ -1: ldr r1, [r0, #CLKCTL_CDHIPR] - cmp r1, #0x0 - bne 1b - str r4, [r0, #CLKCTL_CCDR] + /* Restore the default values in the Gate registers */ + ldr r1, =0xFFFFFFFF + str r1, [r0, #CLKCTL_CCGR0] + str r1, [r0, #CLKCTL_CCGR1] + str r1, [r0, #CLKCTL_CCGR2] + str r1, [r0, #CLKCTL_CCGR3] + str r1, [r0, #CLKCTL_CCGR4] + str r1, [r0, #CLKCTL_CCGR5] + str r1, [r0, #CLKCTL_CCGR6] + str r1, [r0, #CLKCTL_CCGR7] - /* for cko - for ARM div by 8 */ - mov r1, #0x000A0000 - add r1, r1, #0x00000F0 - str r1, [r0, #CLKCTL_CCOSR] + mov r1, #0x00000 + str r1, [r0, #CLKCTL_CCDR] + + /* for cko - for ARM div by 8 */ + mov r1, #0x000A0000 + add r1, r1, #0x00000F0 + str r1, [r0, #CLKCTL_CCOSR] + +#endif /* CONFIG_MX53 */ .endm .macro setup_wdog @@ -340,6 +406,8 @@ ENTRY(lowlevel_init) str r1, [r0, #0x4] #endif + init_arm_erratum + init_l2cc init_aips @@ -370,3 +438,9 @@ W_DP_665: .word DP_OP_665 W_DP_216: .word DP_OP_216 .word DP_MFD_216 .word DP_MFN_216 +W_DP_400: .word DP_OP_400 + .word DP_MFD_400 + .word DP_MFN_400 +W_DP_455: .word DP_OP_455 + .word DP_MFD_455 + .word DP_MFN_455 |