diff options
| author | John Crispin <blogic@openwrt.org> | 2014-07-27 12:23:36 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-11-24 09:45:24 +0300 |
| commit | 1dc5c2cfc17ec0522eab33913a73726413420410 (patch) | |
| tree | 1d57889e4b86cd4f1f3ff7bdaed7341cafc50a3a | |
| parent | a097b13c52a3607123d9c65534b7befe493c6d84 (diff) | |
| download | linux-1dc5c2cfc17ec0522eab33913a73726413420410.tar.xz | |
MIPS: ralink: add support for MT7620n
This is the small version of MT7620a.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/8030/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/include/asm/mach-ralink/mt7620.h | 7 | ||||
| -rw-r--r-- | arch/mips/ralink/mt7620.c | 20 |
2 files changed, 15 insertions, 12 deletions
diff --git a/arch/mips/include/asm/mach-ralink/mt7620.h b/arch/mips/include/asm/mach-ralink/mt7620.h index a05c14c23155..863aea5dcf0c 100644 --- a/arch/mips/include/asm/mach-ralink/mt7620.h +++ b/arch/mips/include/asm/mach-ralink/mt7620.h @@ -25,11 +25,8 @@ #define SYSC_REG_CPLL_CONFIG0 0x54 #define SYSC_REG_CPLL_CONFIG1 0x58 -#define MT7620N_CHIP_NAME0 0x33365452 -#define MT7620N_CHIP_NAME1 0x20203235 - -#define MT7620A_CHIP_NAME0 0x3637544d -#define MT7620A_CHIP_NAME1 0x20203032 +#define MT7620_CHIP_NAME0 0x3637544d +#define MT7620_CHIP_NAME1 0x20203032 #define SYSCFG0_XTAL_FREQ_SEL BIT(6) diff --git a/arch/mips/ralink/mt7620.c b/arch/mips/ralink/mt7620.c index 24fb40a441ca..e4b1f8251de1 100644 --- a/arch/mips/ralink/mt7620.c +++ b/arch/mips/ralink/mt7620.c @@ -277,6 +277,7 @@ void __init ralink_clk_init(void) ralink_clk_add("10000500.uart", periph_rate); ralink_clk_add("10000b00.spi", sys_rate); ralink_clk_add("10000c00.uartlite", periph_rate); + ralink_clk_add("10180000.wmac", xtal_rate); } void __init ralink_of_remap(void) @@ -298,22 +299,27 @@ void prom_soc_init(struct ralink_soc_info *soc_info) u32 cfg0; u32 pmu0; u32 pmu1; + u32 bga; n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0); n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1); + rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); + bga = (rev >> CHIP_REV_PKG_SHIFT) & CHIP_REV_PKG_MASK; - if (n0 == MT7620N_CHIP_NAME0 && n1 == MT7620N_CHIP_NAME1) { - name = "MT7620N"; - soc_info->compatible = "ralink,mt7620n-soc"; - } else if (n0 == MT7620A_CHIP_NAME0 && n1 == MT7620A_CHIP_NAME1) { + if (n0 != MT7620_CHIP_NAME0 || n1 != MT7620_CHIP_NAME1) + panic("mt7620: unknown SoC, n0:%08x n1:%08x\n", n0, n1); + + if (bga) { name = "MT7620A"; soc_info->compatible = "ralink,mt7620a-soc"; } else { - panic("mt7620: unknown SoC, n0:%08x n1:%08x", n0, n1); + name = "MT7620N"; + soc_info->compatible = "ralink,mt7620n-soc"; +#ifdef CONFIG_PCI + panic("mt7620n is only supported for non pci kernels"); +#endif } - rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); - snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN, "Ralink %s ver:%u eco:%u", name, |