diff options
| author | Chris Packham | 2019-04-11 22:22:50 +1200 |
|---|---|---|
| committer | Stefan Roese | 2019-04-12 07:04:18 +0200 |
| commit | 0d0df46ee7323506df2e38738c52d68699c2abca (patch) | |
| tree | 61ef85055d53ab675f5b1489121891bcdd68ab38 /arch/arm/mach-mvebu/cpu.c | |
| parent | 237b629e4cd8fd8ffa9664a1b71b7eda1d2f2179 (diff) | |
arm: mvebu: Add Marvell's integrated CPUs
Marvell's switch chips with integrated CPUs (collectively referred to as
MSYS) share common ancestry with the Armada SoCs. Some of the IP blocks
(e.g. xor) are located at different addresses and DFX server exists as a
separate target on the MBUS (on Armada-38x it's just part of the core
complex registers).
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'arch/arm/mach-mvebu/cpu.c')
| -rw-r--r-- | arch/arm/mach-mvebu/cpu.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c index 5d3f553b5dd..98684628670 100644 --- a/arch/arm/mach-mvebu/cpu.c +++ b/arch/arm/mach-mvebu/cpu.c @@ -23,6 +23,11 @@ static struct mbus_win windows[] = { /* NOR */ { MBUS_BOOTROM_BASE, MBUS_BOOTROM_SIZE, CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_BOOTROM }, + +#ifdef CONFIG_ARMADA_MSYS + /* DFX */ + { MBUS_DFX_BASE, MBUS_DFX_SIZE, CPU_TARGET_DFX, 0 }, +#endif }; void lowlevel_init(void) @@ -121,6 +126,14 @@ static const struct sar_freq_modes sar_freq_tab[] = { { 0x13, 0x0, 2000, 1000, 933 }, { 0xff, 0xff, 0, 0, 0 } /* 0xff marks end of array */ }; +#elif defined(CONFIG_ARMADA_MSYS) +static const struct sar_freq_modes sar_freq_tab[] = { + { 0x0, 0x0, 400, 400, 400 }, + { 0x2, 0x0, 667, 333, 667 }, + { 0x3, 0x0, 800, 400, 800 }, + { 0x5, 0x0, 800, 400, 800 }, + { 0xff, 0xff, 0, 0, 0 } /* 0xff marks end of array */ +}; #else /* SAR frequency values for Armada XP */ static const struct sar_freq_modes sar_freq_tab[] = { @@ -144,7 +157,7 @@ void get_sar_freq(struct sar_freq_modes *sar_freq) u32 freq; int i; -#if defined(CONFIG_ARMADA_375) +#if defined(CONFIG_ARMADA_375) || defined(CONFIG_ARMADA_MSYS) val = readl(CONFIG_SAR2_REG); /* SAR - Sample At Reset */ #else val = readl(CONFIG_SAR_REG); /* SAR - Sample At Reset */ @@ -160,7 +173,7 @@ void get_sar_freq(struct sar_freq_modes *sar_freq) #endif for (i = 0; sar_freq_tab[i].val != 0xff; i++) { if (sar_freq_tab[i].val == freq) { -#if defined(CONFIG_ARMADA_375) || defined(CONFIG_ARMADA_38X) +#if defined(CONFIG_ARMADA_375) || defined(CONFIG_ARMADA_38X) || defined(CONFIG_ARMADA_MSYS) *sar_freq = sar_freq_tab[i]; return; #else @@ -270,6 +283,20 @@ int print_cpuinfo(void) } } + if (mvebu_soc_family() == MVEBU_SOC_MSYS) { + switch (revid) { + case 3: + puts("A0"); + break; + case 4: + puts("A1"); + break; + default: + printf("?? (%x)", revid); + break; + } + } + get_sar_freq(&sar_freq); printf(" at %d MHz\n", sar_freq.p_clk); |